/* MAS Academy · Courses prototype v2 — product layer on top of components/tokens.css and primitives.css
   (canonical, not edited) and components/theme-dark.css. Tokens only; the player chrome uses Daintree,
   Bay and #FBFCFD literally because it sits on video in both views. */

/* ---------- Shell ---------- */
.mas-rail{position:sticky;top:0;height:100dvh;overflow-y:auto}
.mas-search{display:flex;align-items:center;gap:var(--mas-space-3);min-height:2.5rem;margin:0 0 var(--mas-space-4);padding:0 var(--mas-space-3);border:0;border-radius:var(--mas-radius-control);background:var(--mas-rail-hover);color:var(--mas-rail-text);font-weight:500;cursor:pointer;text-align:left;transition:background-color var(--mas-micro) var(--mas-ease),color var(--mas-micro) var(--mas-ease)}
.mas-search:hover{background:var(--mas-rail-active);color:#FBFCFD}
.mas-search .mas-kbd{margin-inline-start:auto;background:rgba(182,227,232,.14);color:var(--mas-brand-bay)}
.mas-search{min-height:3rem;gap:.625rem;padding:var(--mas-space-2) .625rem}
.search-text .mas-kbd{margin-inline-start:var(--mas-space-1);block-size:1.125rem}
.mas-search>.mas-ic{color:var(--mas-brand-bay)}
.search-text{display:grid;min-width:0;line-height:1.25}
.search-text b{font-weight:600;color:#FBFCFD;white-space:nowrap}
.search-text small{font-size:var(--mas-text-meta);color:var(--mas-rail-text)}
.mas-nav{display:grid;gap:2px}
.rail-foot{margin-top:auto;display:grid;gap:var(--mas-space-3);padding:var(--mas-space-4) var(--mas-space-2) 0;border-top:1px solid rgba(182,227,232,.12)}
.rail-user{display:flex;align-items:center;gap:var(--mas-space-3)}
.rail-user .mas-av{background:var(--mas-brand-bay);color:#0F2533}
.rail-user b{display:block;color:#FBFCFD;font-weight:600}
.rail-note{display:block;font-size:var(--mas-text-meta);color:var(--mas-rail-text)}
.rail-note-row{display:flex;align-items:center;justify-content:space-between;gap:var(--mas-space-2);min-height:2rem}
.rail-toggle{display:none;place-items:center;flex:none;inline-size:2rem;block-size:2rem;padding:0;border:0;border-radius:var(--mas-radius-control);background:var(--mas-rail-hover);color:var(--mas-brand-bay);cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.rail-toggle:hover{background:var(--mas-rail-active)}
.rail-toggle .mas-ic{transition:transform var(--mas-micro) var(--mas-ease)}
body[data-view=lesson] .rail-toggle{display:grid}
/* Unread alert (MAS Academy exception): red dot, always with an accessible name */
.dot{display:inline-block;flex:none;inline-size:.5rem;block-size:.5rem;margin-inline-start:6px;border-radius:50%;background:var(--mas-action);vertical-align:middle}
.dot[hidden]{display:none}
[data-theme=dark] .dot{background:color-mix(in oklab,#DF1833 65%,#FBFCFD)} /* ≥3.2:1 on every dark ground; brand red is 1.7–2.9 there */
.mas-nav a{position:relative}
/* Lesson view: the rail can fold to icons; labels stay as accessible names and tooltips */
.mas-shell{transition:grid-template-columns var(--mas-panel) var(--mas-damped)}
@media (min-width:47.5001rem){
  body[data-rail=collapsed] .mas-shell{grid-template-columns:4.5rem minmax(0,1fr)}
  body[data-rail=collapsed] .mas-rail{padding-inline:var(--mas-space-2)}
  body[data-rail=collapsed] :is(.nav-label,.search-text,.rail-user>span:last-child){position:absolute;inline-size:1px;block-size:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  body[data-rail=collapsed] :is(.mas-brand,.mas-count,.switch-row,.rail-note){display:none}
  body[data-rail=collapsed] :is(.mas-search,.mas-nav a){justify-content:center;padding-inline:0}
  body[data-rail=collapsed] .rail-foot{padding-inline:0;justify-items:center}
  body[data-rail=collapsed] .rail-note-row{justify-content:center}
  body[data-rail=collapsed] .rail-toggle .mas-ic{transform:scaleX(-1)}
}
.mas-main{--main-px:clamp(var(--mas-space-4),3vw,var(--mas-space-8));padding-inline:var(--main-px);padding-bottom:var(--mas-space-4)} /* compact footer (2026-10-19) */
.topbar{display:none}

/* Light ↔ Dark switch: pill track, a knob that carries the icon; Bay border and icon (MAS has no yellow) */
.theme-switch{position:relative;flex:none;inline-size:3.5rem;block-size:1.75rem;padding:0;border:1.5px solid var(--mas-brand-bay);border-radius:var(--mas-radius-pill);background:rgba(182,227,232,.16);cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.theme-switch[aria-checked=true]{background:#0F2533}
.theme-switch .knob{position:absolute;inset-block-start:1.5px;inset-inline-start:1.5px;display:grid;place-items:center;inline-size:1.375rem;block-size:1.375rem;border:1.5px solid var(--mas-brand-bay);border-radius:50%;background:#0F2533;color:var(--mas-brand-bay);transition:transform var(--mas-micro) var(--mas-ease)}
.theme-switch[aria-checked=true] .knob{transform:translateX(1.75rem)}
.theme-switch .mas-ic{grid-area:1/1;inline-size:1rem;block-size:1rem;transition:opacity var(--mas-micro) var(--mas-ease)}
.theme-switch .moon,.theme-switch[aria-checked=true] .sun{opacity:0}
.theme-switch[aria-checked=true] .moon{opacity:1}
.theme-switch:hover{background:rgba(182,227,232,.24)}
.theme-switch[aria-checked=true]:hover{background:#0F2533}

/* ---------- Common ---------- */
.mas-ui h2{margin:0;font-size:1.125rem;font-weight:700;letter-spacing:-.02em;line-height:1.3}
.mas-ui h3{margin:0}
.mas-ui h1[tabindex="-1"]:focus{outline:none}
.crumb{display:inline-flex;align-items:center;gap:var(--mas-space-1);min-height:2rem;margin-bottom:var(--mas-space-3);color:var(--mas-ink-2);font-size:var(--mas-text-2);font-weight:500;text-decoration:none}
.crumb:hover{color:var(--mas-ink);text-decoration:underline;text-underline-offset:3px}
.crumb .mas-ic{inline-size:1rem;block-size:1rem}
.page-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:var(--mas-space-3) var(--mas-space-6);margin-bottom:var(--mas-space-5)}
.page-head p{margin:var(--mas-space-1) 0 0;color:var(--mas-ink-2)}
.page-head .mas-btn-primary{max-inline-size:100%}
.title-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2) var(--mas-space-4)}
.learn-btn .chev{inline-size:1rem;block-size:1rem;color:var(--mas-ink-2);transition:transform var(--mas-micro) var(--mas-ease)}
.learn-btn[aria-expanded=true]{background:var(--mas-selection)}
.learn-btn[aria-expanded=true] .chev{transform:rotate(180deg)}
.btn-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--mas-space-2) var(--mas-space-4);margin-bottom:var(--mas-space-3)}
.sec-head small,.muted{color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.bars{display:inline-flex;align-items:flex-end;gap:2px;block-size:.75rem}
.bars i{inline-size:3px;border-radius:1px;background:var(--mas-fill-strong)}
.bars i:nth-child(1){block-size:40%}.bars i:nth-child(2){block-size:70%}.bars i:nth-child(3){block-size:100%}
.bars i.on{background:var(--mas-ink)}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-1) var(--mas-space-4);color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.meta-line>span{display:inline-flex;align-items:center;gap:6px}
.meta-line .mas-ic{inline-size:.9375rem;block-size:.9375rem}
.prog{display:flex;align-items:center;gap:var(--mas-space-3)}
.prog-bar{flex:1;block-size:.3125rem;border-radius:var(--mas-radius-pill);background:var(--mas-fill-strong);overflow:hidden}
.prog-bar i{display:block;block-size:100%;background:var(--mas-ink);border-radius:inherit}
.prog span{color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.who-line{display:flex;align-items:center;gap:var(--mas-space-2);min-width:0;color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.who-line .mas-av{inline-size:1.5rem;block-size:1.5rem;font-size:10px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:1px 10px;border-radius:var(--mas-radius-pill);background:var(--mas-surface);color:var(--mas-ink);font-size:var(--mas-text-meta);font-weight:600;white-space:nowrap}
.empty{padding:var(--mas-space-6) 0;color:var(--mas-ink-2)}
.empty b{display:block;color:var(--mas-ink);font-weight:600}
.proto{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.mas-ui mark{background:var(--mas-brand-bay);color:#0F2533;border-radius:3px;padding:0 1px}
.mas-btn .mas-ic{inline-size:1.125rem;block-size:1.125rem}
a.mas-btn{color:inherit;text-decoration:none}
a.mas-btn-primary{color:var(--mas-action-label)}
.mas-btn-primary{max-inline-size:100%}

/* Covers (SVG, colours from tokens) */
.cover{display:block;inline-size:100%;block-size:auto;aspect-ratio:16/9;border-radius:var(--mas-radius-control)}
.cv-bg{fill:var(--mas-selection)}
.cv-pat{fill:none;stroke:var(--mas-brand-bay);stroke-width:1.5}
.cv-pat .cv-dot{fill:var(--mas-brand-bay);stroke:none}
.cv-disc{fill:var(--mas-surface)}
.cv-ic{stroke:var(--mas-ink)}
.cv-mono{font:700 44px var(--mas-font-brand);letter-spacing:-.03em;fill:var(--mas-ink)}
[data-theme=dark] .cv-pat{opacity:.28}

/* One orchestrated entrance per view */
.rise{animation:rise .32s var(--mas-damped) both;animation-delay:calc(var(--i,0) * 30ms)}
@keyframes rise{from{opacity:0;transform:translateY(6px)}}

/* ---------- Catalog: banner ---------- */
.banner{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:var(--mas-space-6) var(--mas-space-8);margin-bottom:var(--mas-space-8);padding:var(--mas-space-6);border-radius:var(--mas-radius-overlay);background:var(--mas-fill)}
.banner[hidden]{display:none}
.banner h2{margin-bottom:var(--mas-space-3)}
.banner:has(>.learn-cols){grid-template-columns:minmax(0,1fr)}
/* Learn in three columns (All courses and Home): top categories (5), featured paths (4), learning help (3) */
.learn-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--mas-space-6)}
.learn-col{display:grid;align-content:start;min-inline-size:0}
.learn-col .sec-head{align-items:center;min-block-size:1.75rem;margin-bottom:var(--mas-space-3)}
.mas-ui .learn-col .sec-head h2{margin:0}
.learn-col .sec-head .mas-link{font-size:var(--mas-text-2)}
.learn-rows{display:grid;gap:var(--mas-space-2)}
@media (max-width:64rem){ .learn-cols{grid-template-columns:minmax(0,1fr)} }
.cats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--mas-space-2);margin-bottom:var(--mas-space-4)}
.cat{display:flex;align-items:center;gap:var(--mas-space-3);min-width:0;min-height:3.75rem;padding:var(--mas-space-2) var(--mas-space-3);border:0;border-radius:var(--mas-radius-object);background:var(--mas-surface);text-align:left;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.cat[aria-pressed=true]{background:var(--mas-selection)}
.cat-ic,.help-ic{display:grid;place-items:center;flex:none;inline-size:2.25rem;block-size:2.25rem;border-radius:50%;background:var(--mas-selection);color:var(--mas-ink)}
.cat:hover .cat-ic,.cat[aria-pressed=true] .cat-ic{background:var(--mas-surface)}
.cat b,.help-row b{display:block;font-weight:600;line-height:1.3;overflow-wrap:anywhere}
.cat small,.help-row small{display:block;color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.help-rows{display:grid;gap:var(--mas-space-2)}
.help-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--mas-space-3);min-height:3.75rem;padding:var(--mas-space-2) var(--mas-space-3);border:0;border-radius:var(--mas-radius-object);background:var(--mas-surface);color:inherit;text-align:left;text-decoration:none;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.help-row>.mas-ic{color:var(--mas-ink-2)}
.help-row .help-ic{background:var(--mas-selection)}
.help-row:hover .help-ic{background:var(--mas-surface)}

/* ---------- Catalog: filters + results ---------- */
.catalog{display:grid;grid-template-columns:15rem minmax(0,1fr);gap:var(--mas-space-8);align-items:start}
.side{position:sticky;top:calc(var(--topbar-h,0px) + var(--dock-h,0px) + var(--head-h,0px) + var(--mas-space-4));display:grid;align-content:start;gap:var(--mas-space-5);min-width:0}
.filters{display:grid;gap:var(--mas-space-5)}
.filters-head{display:none}
/* Status summary above the filters: the exceptional state speaks, each line applies its filter */
.summary{display:grid;gap:2px;padding:var(--mas-space-1);border-radius:var(--mas-radius-object);background:var(--mas-ask)}
.sum-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:var(--mas-space-2);min-height:2.75rem;padding:var(--mas-space-2) var(--mas-space-3);border:0;border-radius:var(--mas-radius-control);background:none;color:var(--mas-ink);text-align:left;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.sum-row:hover,.sum-row[aria-pressed=true]{background:var(--mas-surface)}
.sum-row b{display:block;font-weight:600;line-height:1.35}
.sum-row small{display:block;color:var(--mas-ink-2);font-size:var(--mas-text-meta);overflow-wrap:anywhere}
.sum-row>.mas-ic{inline-size:1rem;block-size:1rem;color:var(--mas-ink-2)}
.sum-ok{display:flex;align-items:center;gap:var(--mas-space-2);margin:0;padding:var(--mas-space-2) var(--mas-space-3);font-weight:600}
.fgroup{display:grid;gap:2px;margin:0;padding:0;border:0;min-width:0}
.fgroup legend{margin-bottom:var(--mas-space-1);padding:0;color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600}
.opt{display:flex;align-items:center;gap:var(--mas-space-2);min-height:2rem;padding:0 var(--mas-space-2);margin-inline:calc(-1 * var(--mas-space-2));border-radius:var(--mas-radius-control);cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.opt:hover{background:var(--mas-fill)}
.opt input{flex:none;inline-size:1rem;block-size:1rem;margin:0;accent-color:var(--mas-ink)}
.opt span{flex:1;min-width:0}
.opt small{color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-variant-numeric:tabular-nums}
.opt .bars{margin-inline-end:2px}
.results-head{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-3);margin-bottom:var(--mas-space-4)}
.results-head h2{margin-inline-end:auto}
.results-head h2 span{color:var(--mas-ink-2);font-weight:400}
.results-head .mas-input{flex:0 1 20rem;min-width:0;border:0;background:var(--mas-fill);font-weight:500}
.filters-btn{display:none}
.active-filters{display:flex;flex-wrap:wrap;gap:var(--mas-space-2);margin:-.25rem 0 var(--mas-space-4)}
.active-filters .chip{background:var(--mas-selection)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));gap:var(--mas-space-5) var(--mas-space-4)}

/* Card: a soft block, the whole card opens the course */
.card{position:relative;display:grid;grid-template-rows:auto 1fr;gap:var(--mas-space-3);padding:var(--mas-space-2) var(--mas-space-2) var(--mas-space-4);border-radius:var(--mas-radius-object);background:var(--mas-fill);cursor:pointer;transition:box-shadow var(--mas-micro) var(--mas-ease)}
.card-body{display:grid;align-content:start;gap:var(--mas-space-2);padding:0 var(--mas-space-2)}
.card-status{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2);min-block-size:1.375rem}
.card h3{font:600 1rem/1.3 var(--mas-font-brand);letter-spacing:-.01em;overflow-wrap:anywhere}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:var(--mas-space-3);margin-top:var(--mas-space-1)}
.details{display:inline-flex;align-items:center;gap:2px;min-height:2rem;color:var(--mas-ink);font-size:var(--mas-text-2);font-weight:600;text-decoration:none;white-space:nowrap}
.details:hover{text-decoration:underline;text-underline-offset:3px}
.details .mas-ic,.help-row>.mas-ic{inline-size:1rem;block-size:1rem;transition:transform var(--mas-micro) var(--mas-ease),color var(--mas-micro) var(--mas-ease)}

/* ---------- Course page ---------- */
.course{display:grid;grid-template-columns:minmax(0,1fr) 19rem;grid-template-areas:"welcome includes" "content includes" "reviews reviews";gap:var(--mas-space-8);align-items:start}
.welcome{grid-area:welcome;display:grid;grid-template-columns:minmax(0,1fr) minmax(12rem,20rem);gap:var(--mas-space-6) var(--mas-space-8);align-items:center;padding:var(--mas-space-8);border-radius:var(--mas-radius-overlay);background:var(--mas-selection)}
.welcome-text{display:grid;gap:var(--mas-space-3);min-width:0}
.welcome .chips-row{display:flex;flex-wrap:wrap;gap:var(--mas-space-2)}
.welcome .mas-pill-wait{background:var(--mas-surface)}
.welcome h1{overflow-wrap:anywhere}
.objective{margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-inline-size:44rem;font-size:.9375rem}
.welcome .meta-line{color:var(--mas-ink)}
.welcome .meta-line b{font-weight:600}
.welcome .prog{max-inline-size:28rem}
.welcome .prog-bar{background:var(--mas-surface)}
.welcome .prog span{color:var(--mas-ink)}
.welcome-cta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-3);margin-top:var(--mas-space-2)}
.welcome .cover{border-radius:var(--mas-radius-object)}
.welcome .cv-bg{fill:var(--mas-surface)}
.welcome .cv-disc{fill:var(--mas-selection)}
.includes{grid-area:includes;min-width:0}
.includes h2{margin-bottom:var(--mas-space-3)}
.inc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--mas-space-2);margin:0;padding:0;list-style:none}
.inc li{display:grid;gap:var(--mas-space-1);align-content:start;padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-fill);min-width:0}
.inc li .mas-ic{color:var(--mas-ink-2)}
.inc b{font-weight:600;line-height:1.3;overflow-wrap:anywhere}
.inc small{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.content{grid-area:content;min-width:0}
.content .sec-head .mas-link{font-size:var(--mas-text-2)}

/* Module accordion */
.mods{display:grid;gap:var(--mas-space-2)}
.mod{border-radius:var(--mas-radius-object);background:var(--mas-fill)}

/* MAS Academy exception (mas-branding/references/product-exceptions.md): primary content cards stay solid at
   rest; only while the pointer is over one does a gradient fade in and the card lift 2px. Light view: a MAS red
   (#E43742) wash into --mas-surface with a red edge and glow (user request, 2026-10-13); the wash stays under
   16% so Kashmir text keeps >=4.5:1. Dark view: --mas-selection into --mas-fill with a Bay edge. */
.card,.cat,.help-row,.mod,.ncard{position:relative;isolation:isolate;transition:transform .2s var(--mas-damped),box-shadow var(--mas-micro) var(--mas-ease)}
.card::before,.cat::before,.help-row::before,.mod::before,.ncard::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;background:linear-gradient(135deg,rgba(228,55,66,.15) 0%,rgba(228,55,66,.06) 40%,var(--mas-surface) 82%);opacity:0;pointer-events:none;transition:opacity var(--mas-micro) var(--mas-ease)}
/* Course card: a red bar grows along the top edge on hover (light view) */
.card::after{content:"";position:absolute;inset-inline:var(--mas-space-4);inset-block-start:0;block-size:3px;border-radius:0 0 3px 3px;background:#E43742;transform:scaleX(0);transition:transform .24s var(--mas-damped);pointer-events:none}
@media (hover:hover){
  .card:hover,.cat:hover,.help-row:hover,.mod:hover,.ncard:hover{transform:translateY(-2px);box-shadow:0 0 0 1.5px #E43742,0 16px 34px -16px rgba(228,55,66,.5),0 2px 6px -2px rgba(15,37,51,.12)}
  .card:hover::before,.cat:hover::before,.help-row:hover::before,.mod:hover::before,.ncard:hover::before{opacity:1}
  .card:hover::after{transform:scaleX(1)}
  .card:hover .details .mas-ic,.help-row:hover>.mas-ic{color:#E43742;transform:translateX(2px)}
  .cat:hover .cat-ic,.help-row:hover .help-ic{color:#E43742}
  [data-theme=dark] .card:hover::after{transform:scaleX(0)}
  [data-theme=dark] .card:hover .details .mas-ic,[data-theme=dark] .help-row:hover>.mas-ic,[data-theme=dark] .cat:hover .cat-ic,[data-theme=dark] .help-row:hover .help-ic{color:inherit}
  /* Dark view: the card lights up in Bay (MAS cyan); text stays on the measured gradient */
  [data-theme=dark] .card:hover,[data-theme=dark] .cat:hover,[data-theme=dark] .help-row:hover,[data-theme=dark] .mod:hover,[data-theme=dark] .ncard:hover{box-shadow:0 0 0 1.5px var(--mas-brand-bay),0 12px 32px -14px rgba(182,227,232,.5)}
}
[data-theme=dark] .card::before,[data-theme=dark] .cat::before,[data-theme=dark] .help-row::before,[data-theme=dark] .mod::before,[data-theme=dark] .ncard::before{background:linear-gradient(135deg,var(--mas-selection) 0%,var(--mas-fill) 78%)}
.mod-h{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--mas-space-3);inline-size:100%;min-height:3.5rem;padding:var(--mas-space-3) var(--mas-space-4);border:0;border-radius:var(--mas-radius-object);background:none;color:inherit;text-align:left;cursor:pointer}
.mod-h>.mas-ic{color:var(--mas-ink-2);transition:transform var(--mas-micro) var(--mas-ease)}
.mod-h[aria-expanded=true]>.mas-ic{transform:rotate(90deg)}
.mod-h b{display:block;font-weight:600;line-height:1.35}
.mod-h small{display:block;color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.mod-h .mod-count{color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.mod-h .mod-count.met{color:var(--mas-ink)}
.mod-body{padding:0 var(--mas-space-2) var(--mas-space-2)}
.mod-body[hidden]{display:none}
.les{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--mas-space-1) var(--mas-space-3);min-height:3rem;padding:var(--mas-space-2) var(--mas-space-3);border-radius:var(--mas-radius-control);color:inherit;text-decoration:none;transition:background-color var(--mas-micro) var(--mas-ease)}
.les+.les{box-shadow:inset 0 1px 0 var(--mas-line-soft)}
.les:hover{background:var(--mas-surface);box-shadow:none}
.les:hover+.les{box-shadow:none}
.les[aria-current]{background:var(--mas-selection);box-shadow:none}
.les[aria-current]+.les{box-shadow:none}
.les-ic{display:grid;place-items:center;inline-size:1.75rem;block-size:1.75rem;border-radius:50%;background:var(--mas-surface);color:var(--mas-ink)}
.les-ic .mas-ic{inline-size:.875rem;block-size:.875rem}
.les b{font-weight:500;line-height:1.35;overflow-wrap:anywhere}
.les small{display:block;color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-variant-numeric:tabular-nums}
.les .mas-st .mas-ic{inline-size:1rem;block-size:1rem}

/* ---------- Lesson page ---------- */
.lesson{display:grid;grid-template-columns:minmax(0,1fr) 20rem;gap:var(--mas-space-6) var(--mas-space-8);align-items:start}
.lesson-main{min-width:0}
.lesson-top{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--mas-space-1) var(--mas-space-4);margin-bottom:var(--mas-space-3)}
.lesson-top .crumb{margin:0}
.lesson-top .muted{font-variant-numeric:tabular-nums}
.lesson-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:var(--mas-space-3) var(--mas-space-6);margin:var(--mas-space-5) 0 var(--mas-space-2)}
.lesson-head h1{font-size:var(--mas-name);font-weight:700;letter-spacing:-.025em;line-height:1.15;overflow-wrap:anywhere}
.lesson-head p{margin:var(--mas-space-1) 0 0;color:var(--mas-ink-2)}
.lesson-actions{display:flex;flex-wrap:wrap;gap:var(--mas-space-2)}
/* «Mark as watched» before the lesson check is passed: looks unavailable, the click opens the check */
.lesson-actions .mas-btn[aria-disabled=true]{opacity:.6;cursor:help}
.lesson-actions .mas-btn[hidden]{display:none}
.lesson-actions .mas-btn[aria-disabled=true]:hover{opacity:.75}
/* Reading: the same actions again after the lesson check, to move on without scrolling back up */
.rd-end-actions{justify-content:flex-end;margin-top:var(--mas-space-4)}
.lesson .proto{margin:0 0 var(--mas-space-6)}
.lesson-side{min-width:0}
.lesson-side h2{margin-bottom:var(--mas-space-1)}
.side-toggle{display:inline-flex;align-items:center;gap:var(--mas-space-2);min-height:var(--mas-touch);padding:0;border:0;background:none;color:inherit;font:inherit;letter-spacing:inherit;cursor:pointer}
.side-toggle .chev{inline-size:1rem;block-size:1rem;color:var(--mas-ink-2);transition:transform var(--mas-micro) var(--mas-ease)}
.side-toggle[aria-expanded=false] .chev{transform:rotate(-90deg)}
.side-meta{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:var(--mas-space-1) var(--mas-space-3);margin-bottom:var(--mas-space-3)}
.side-meta .mas-link[hidden],#sideBody[hidden]{display:none}
.lesson-side .mod-h{min-height:3rem;padding:var(--mas-space-2) var(--mas-space-3)}
.lesson-side .les{grid-template-columns:auto minmax(0,1fr);min-height:2.75rem}
.lesson-side .les .mas-st,.lesson-side .les .mas-pill-wait{grid-column:2;justify-self:start}
.panel[hidden]{display:none}

/* Player: solid Daintree bar with Bay icons; menus float as dark material over the video */
.player{position:relative;container-type:inline-size;border-radius:var(--mas-radius-object);overflow:clip;background:#0F2533;color:#FBFCFD;aspect-ratio:16/9;-webkit-user-select:none;user-select:none}
.player video{display:block;inline-size:100%;block-size:100%;object-fit:contain;background:#0F2533}
.player-brand{position:absolute;z-index:1;inset-block-start:var(--mas-space-3);inset-inline-start:var(--mas-space-3);inline-size:clamp(3.5rem,9cqi,5.5rem);block-size:auto;opacity:.78;pointer-events:none;filter:drop-shadow(0 1px 3px rgba(15,37,51,.7))}
.player[data-idle=true] .player-brand{opacity:.48}
.player:fullscreen{border-radius:0;aspect-ratio:auto;inline-size:100%;block-size:100%}
.player :focus-visible{outline:2px solid var(--mas-brand-bay);outline-offset:2px}
.big-play{position:absolute;inset-block-start:50%;inset-inline-start:50%;translate:-50% -50%;display:grid;place-items:center;inline-size:4.5rem;block-size:4.5rem;border:1.5px solid var(--mas-brand-bay);border-radius:50%;background:rgba(15,37,51,.78);color:var(--mas-brand-bay);cursor:pointer;transition:opacity var(--mas-micro) var(--mas-ease),transform .2s var(--mas-damped)}
.big-play .mas-ic{inline-size:1.75rem;block-size:1.75rem}
.big-play:hover{transform:scale(1.04)}
.player[data-playing=true] .big-play{opacity:0;pointer-events:none}
.pmsg{position:absolute;inset-inline:var(--mas-space-4);inset-block-start:var(--mas-space-4);margin:0;color:var(--mas-brand-bay);font-size:var(--mas-text-2)}
.pmsg:empty{display:none}
.captions{position:absolute;inset-inline:8%;inset-block-end:5.25rem;display:flex;justify-content:center;pointer-events:none;transition:inset-block-end var(--mas-micro) var(--mas-ease)}
.captions span{padding:2px 10px;border-radius:6px;background:rgba(15,37,51,.78);color:#FBFCFD;font-size:1.0625rem;line-height:1.5;text-align:center;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.captions:empty,.player[data-cc=false] .captions{display:none}
.player[data-cc-size=s] .captions span{font-size:.875rem}
.player[data-cc-size=l] .captions span{font-size:1.375rem}
.player[data-idle=true] .captions{inset-block-end:var(--mas-space-6)}
.pbar{position:absolute;inset-inline:0;inset-block-end:0;padding:var(--mas-space-1) var(--mas-space-3) var(--mas-space-2);background:rgba(15,37,51,.78);transition:opacity var(--mas-micro) var(--mas-ease),transform var(--mas-micro) var(--mas-ease)}
.player[data-idle=true] .pbar{opacity:0;transform:translateY(.5rem)}
.player[data-idle=true]{cursor:none}
.seek{position:relative;block-size:1.25rem;cursor:pointer;touch-action:none}
.seek-rail,.seek-buf,.seek-played{position:absolute;inset-inline-start:0;inset-block-start:50%;block-size:.25rem;translate:0 -50%;border-radius:var(--mas-radius-pill);transition:block-size var(--mas-micro) var(--mas-ease)}
.seek-rail{inset-inline-end:0;background:rgba(182,227,232,.22)}
.seek-buf{background:rgba(182,227,232,.38)}
.seek-played{background:var(--mas-brand-bay)}
.seek:hover :is(.seek-rail,.seek-buf,.seek-played){block-size:.375rem}
.seek-mark{position:absolute;inset-block-start:50%;inline-size:2px;block-size:.625rem;translate:-50% -50%;border-radius:1px;background:#FBFCFD;opacity:.75;pointer-events:none}
.seek-thumb{position:absolute;inset-block-start:50%;inline-size:.75rem;block-size:.75rem;translate:-50% -50%;border-radius:50%;background:var(--mas-brand-bay);pointer-events:none}
.seek-tip{position:absolute;inset-block-end:1.5rem;translate:-50% 0;padding:2px 8px;border-radius:6px;background:#0F2533;color:#FBFCFD;font-size:var(--mas-text-meta);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap;box-shadow:0 0 0 1px rgba(182,227,232,.18);opacity:0;pointer-events:none;transition:opacity var(--mas-micro) var(--mas-ease)}
.seek-tip small{display:block;max-inline-size:14rem;overflow:hidden;text-overflow:ellipsis;font-weight:400;color:var(--mas-brand-bay)}
.seek[data-hover=true] .seek-tip{opacity:1}
.prow{display:flex;align-items:center;gap:2px}
.pbtn{display:inline-grid;place-items:center;flex:none;min-inline-size:2.25rem;block-size:2.25rem;padding:0 4px;border:0;border-radius:var(--mas-radius-control);background:none;color:var(--mas-brand-bay);font-size:var(--mas-text-2);font-weight:600;font-variant-numeric:tabular-nums;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.pbtn:hover,.pbtn[aria-expanded=true]{background:rgba(182,227,232,.14)}
.pbtn[data-on=true]{box-shadow:inset 0 -2px 0 var(--mas-brand-bay)}
.ptime{padding:0 var(--mas-space-2);color:#FBFCFD;font-size:var(--mas-text-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.pspacer{flex:1}
.vol{display:flex;align-items:center}
.vol input{inline-size:4.5rem;accent-color:var(--mas-brand-bay)}
.pmenu{position:absolute;inset-inline-end:var(--mas-space-3);inset-block-end:4rem;display:grid;gap:2px;min-inline-size:13rem;max-block-size:calc(100% - 5rem);overflow:auto;padding:6px;border-radius:var(--mas-radius-object);background:rgba(15,37,51,.92);-webkit-backdrop-filter:blur(20px) saturate(1.3);backdrop-filter:blur(20px) saturate(1.3);box-shadow:0 0 0 1px rgba(182,227,232,.16),0 16px 36px -18px rgba(15,37,51,.9);color:#FBFCFD}
.pmenu[hidden]{display:none}
.pmenu h4{margin:4px 10px 2px;color:var(--mas-brand-bay);font-size:var(--mas-text-micro);font-weight:600}
.pmenu button{display:flex;align-items:center;justify-content:space-between;gap:var(--mas-space-3);min-block-size:2.25rem;padding:0 10px;border:0;border-radius:8px;background:none;color:inherit;font-size:var(--mas-text-2);text-align:left;cursor:pointer}
.pmenu button:hover{background:rgba(182,227,232,.12)}
.pmenu button .mas-ic{inline-size:1rem;block-size:1rem;color:var(--mas-brand-bay);visibility:hidden}
.pmenu button[aria-checked=true]{font-weight:600}
.pmenu button[aria-checked=true] .mas-ic{visibility:visible}
.pmenu hr{margin:4px 6px;border:0;border-top:1px solid rgba(182,227,232,.16)}
@container (max-width:34rem){
  .pbtn.wide,.vol input,.ptime .dur-sep{display:none}
  .captions{inset-block-end:4.75rem}
  .captions span{font-size:.9375rem}
}

/* Tabs and panels under the video */
.mas-tabs{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:thin}
.tsearch{display:flex;gap:var(--mas-space-2);margin-bottom:var(--mas-space-3)}
.tsearch .mas-input{flex:1;border:0;background:var(--mas-fill)}
.cues{margin:0;padding:0;list-style:none}
.cues li{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:var(--mas-space-3);padding:var(--mas-space-2);border-radius:var(--mas-radius-control);cursor:pointer;color:var(--mas-ink-2);transition:background-color var(--mas-micro) var(--mas-ease),color var(--mas-micro) var(--mas-ease)}
.cues li:hover{background:var(--mas-fill)}
.cues li[aria-current=true]{background:var(--mas-selection);color:var(--mas-ink)}
.cues li[hidden]{display:none}
.cues time{font-size:var(--mas-text-meta);font-variant-numeric:tabular-nums;padding-top:2px}
.composer{display:grid;gap:var(--mas-space-2);margin-bottom:var(--mas-space-4)}
.composer textarea{inline-size:100%;min-block-size:4.5rem;resize:vertical;line-height:1.5}
.composer-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--mas-space-2) var(--mas-space-4)}
.check{display:inline-flex;align-items:center;gap:var(--mas-space-2);min-height:var(--mas-touch);color:var(--mas-ink-2);font-size:var(--mas-text-2);cursor:pointer}
.check input{inline-size:1rem;block-size:1rem;margin:0;accent-color:var(--mas-ink)}
.post{display:grid;grid-template-columns:2rem minmax(0,1fr);gap:var(--mas-space-1) var(--mas-space-3);padding:var(--mas-space-3) 0}
.post+.post{border-top:1px solid var(--mas-line-soft)}
.post-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px var(--mas-space-2)}
.post-meta b{font-weight:600}
.post-meta span{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.post p{margin:2px 0 0;overflow-wrap:anywhere}
.post-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-4);margin-top:var(--mas-space-1)}
.post-actions .mas-link{font-size:var(--mas-text-meta);text-decoration:none;min-height:1.75rem}
.post-actions .mas-link:hover{text-decoration:underline}
.post-actions .mas-link[aria-pressed=true]{color:var(--mas-ink);font-weight:600}
.at{font-size:var(--mas-text-meta);font-variant-numeric:tabular-nums}
.inst{grid-column:2;margin-top:var(--mas-space-2);padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-fill)}
.inst p{margin:2px 0 0}
.faq details+details{border-top:1px solid var(--mas-line-soft)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:var(--mas-space-3);min-height:var(--mas-touch);font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary .mas-ic{color:var(--mas-ink-2);transition:transform var(--mas-micro) var(--mas-ease)}
.faq details[open] summary .mas-ic{transform:rotate(90deg)}
.faq details p{margin:0 0 var(--mas-space-3);color:var(--mas-ink-2)}
.sub-h{margin:var(--mas-space-6) 0 var(--mas-space-2);font-size:var(--mas-text-2);font-weight:600}
.qlist>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px var(--mas-space-3);align-items:center;padding:var(--mas-space-2) 0;border-top:1px solid var(--mas-line-soft)}
.qlist .k{font-weight:600;overflow-wrap:anywhere}
.qlist .d{grid-column:1;color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.qlist .v{grid-row:1/span 2;grid-column:2}
.chat-log{display:grid;align-content:start;gap:var(--mas-space-3);min-block-size:12rem;padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-fill)}
.msg{display:grid;grid-template-columns:1.75rem minmax(0,1fr);gap:0 var(--mas-space-2);max-inline-size:85%}
.msg .mas-av{inline-size:1.75rem;block-size:1.75rem;font-size:10px}
.msg-body{padding:var(--mas-space-2) var(--mas-space-3);border-radius:var(--mas-radius-control);background:var(--mas-surface)}
.msg-body b{font-size:var(--mas-text-meta);font-weight:600}
.msg-body time{margin-inline-start:var(--mas-space-2);color:var(--mas-ink-2);font-size:var(--mas-text-micro)}
.msg-body p{margin:1px 0 0;overflow-wrap:anywhere}
.msg.me{justify-self:end;grid-template-columns:minmax(0,1fr)}
.msg.me .msg-body{background:var(--mas-selection)}
.typing{min-block-size:1.25rem;margin:var(--mas-space-2) 0;color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.chat-form{display:flex;gap:var(--mas-space-2)}
.chat-form .mas-input{flex:1;min-width:0}
.note{margin:var(--mas-space-2) 0 0;color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.nlist{display:grid}
.nitem{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:var(--mas-space-1) var(--mas-space-3);align-items:baseline;padding:var(--mas-space-2) 0;border-top:1px solid var(--mas-line-soft)}
.nitem p{margin:0;overflow-wrap:anywhere}
.nitem small{grid-column:2;color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.nitem .mas-link{font-size:var(--mas-text-meta)}
.tstamp{display:inline-flex;align-items:center;min-height:1.75rem;padding:0 8px;border:0;border-radius:var(--mas-radius-pill);background:var(--mas-fill);color:var(--mas-ink);font-size:var(--mas-text-meta);font-weight:600;font-variant-numeric:tabular-nums;cursor:pointer;text-decoration:none}
.tstamp:hover{background:var(--mas-selection)}

/* ---------- Notes view ---------- */
.notes-view{max-inline-size:56rem}
.ngroup{margin-top:var(--mas-space-8)}
.ngroup>h2{display:flex;align-items:center;gap:var(--mas-space-3);margin-bottom:var(--mas-space-2)}
.ngroup>h2 a{color:inherit;text-decoration:none}
.ngroup>h2 a:hover{text-decoration:underline;text-underline-offset:4px}
.nlesson{margin-top:var(--mas-space-4)}
.nlesson h3{margin-bottom:var(--mas-space-1);color:var(--mas-ink-2);font-size:var(--mas-text-2);font-weight:600}

/* ---------- Voice: the button and the sheet that floats over content ---------- */
.mic-fab{position:fixed;inset-inline-end:max(var(--mas-space-6),env(safe-area-inset-right));inset-block-end:max(var(--mas-space-6),env(safe-area-inset-bottom));z-index:var(--mas-z-overlay);display:grid;place-items:center;inline-size:3.5rem;block-size:3.5rem;border:0;border-radius:50%;background:#0F2533;color:var(--mas-brand-bay);cursor:pointer;box-shadow:var(--mas-shadow-soft);transition:transform .2s var(--mas-damped)}
.mic-fab:hover{transform:translateY(-1px)}
.mic-fab .mas-ic{inline-size:1.375rem;block-size:1.375rem}
.mic-fab[aria-pressed=true]::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid var(--mas-brand-bay);animation:ring 1.4s var(--mas-ease) infinite}
@keyframes ring{0%{opacity:1;transform:scale(.92)}100%{opacity:0;transform:scale(1.18)}}
body[data-sheet=open] .mic-fab{visibility:hidden}

.voice,.tutor{position:fixed;z-index:var(--mas-z-command);display:grid;gap:var(--mas-space-3);border-radius:var(--mas-radius-overlay);
  background:var(--mas-material);-webkit-backdrop-filter:blur(20px) saturate(1.3);backdrop-filter:blur(20px) saturate(1.3);box-shadow:var(--mas-edge-light),0 0 0 1px var(--mas-line-soft),var(--mas-shadow-soft);
  opacity:0;transform:translateY(8px);pointer-events:none;visibility:hidden;transition:opacity var(--mas-panel) var(--mas-damped),transform var(--mas-panel) var(--mas-damped),visibility 0s linear var(--mas-panel)}
.voice{inset-inline-start:50%;inset-block-end:max(var(--mas-space-6),env(safe-area-inset-bottom));inline-size:min(40rem,calc(100% - 2rem));translate:-50% 0;max-block-size:calc(100dvh - 3rem);overflow:auto;padding:var(--mas-space-4) var(--mas-space-5) var(--mas-space-5)}
.voice[data-open=true],.tutor[data-open=true]{opacity:1;transform:none;pointer-events:auto;visibility:visible;transition-delay:0s}
.voice-head{display:flex;align-items:center;gap:var(--mas-space-3)}
.voice-head b{font-weight:600}
.voice-lang{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.voice-head .mas-link{margin-inline-start:auto}
.wave{display:inline-flex;align-items:center;gap:3px;block-size:1.25rem}
.wave i{inline-size:3px;block-size:30%;border-radius:2px;background:var(--mas-brand-kashmir)}
.voice[data-state=listening] .wave i{background:var(--mas-ink);animation:wave .9s var(--mas-ease) var(--d,0s) infinite alternate}
.wave i:nth-child(2){--d:.15s}.wave i:nth-child(3){--d:.3s}.wave i:nth-child(4){--d:.45s}.wave i:nth-child(5){--d:.2s}
@keyframes wave{to{block-size:100%}}
.heard{margin:0;min-block-size:1.6em;font-size:1.0625rem;font-weight:500;line-height:1.45}
.heard:empty::before{content:attr(data-hint);color:var(--mas-ink-2);font-weight:400}
.reply{margin:0;color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.reply:empty{display:none}
.voice form{display:flex;gap:var(--mas-space-2)}
.voice form .mas-input{flex:1;min-width:0;background:var(--mas-surface)}
/* Speak again without closing the panel */
.vmic{position:relative;display:grid;place-items:center;flex:none;inline-size:var(--mas-control-height);block-size:var(--mas-control-height);border:0;border-radius:50%;background:#0F2533;color:var(--mas-brand-bay);cursor:pointer;transition:transform .2s var(--mas-damped)}
.vmic:hover{transform:translateY(-1px)}
.vmic[aria-pressed=true]::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--mas-brand-bay);animation:ring 1.4s var(--mas-ease) infinite}
[data-theme=dark] .vmic{background:var(--mas-brand-bay);color:#0F2533}
.chips{display:flex;flex-wrap:wrap;gap:var(--mas-space-2)}
.chips .mas-btn{min-height:2rem;padding:2px 12px;font-size:var(--mas-text-2);font-weight:500;background:var(--mas-surface)}
.chips .mas-btn:hover{background:var(--mas-selection)}
.voice-opts{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2) var(--mas-space-5);color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.voice-opts .mas-link{font-size:var(--mas-text-meta)}
.vlang{display:inline-flex;align-items:center;gap:var(--mas-space-2)}
.vlang .seg button{min-height:1.75rem;min-width:2.25rem;font-size:var(--mas-text-meta)}
.vlang .seg button[aria-checked=true]{background:var(--mas-surface);color:var(--mas-ink);box-shadow:0 1px 2px rgb(0 0 0/.12)}
.toggle{display:inline-flex;align-items:center;gap:var(--mas-space-2);min-height:2rem;border:0;background:none;padding:0;color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600;cursor:pointer}
.toggle i{position:relative;inline-size:1.75rem;block-size:1rem;border-radius:var(--mas-radius-pill);background:var(--mas-fill-strong);transition:background-color var(--mas-micro) var(--mas-ease)}
.toggle i::after{content:"";position:absolute;inset:2px auto 2px 2px;inline-size:.75rem;border-radius:50%;background:var(--mas-surface);box-shadow:0 1px 2px rgba(15,37,51,.25);transition:transform var(--mas-micro) var(--mas-ease)}
.toggle[aria-pressed=true]{color:var(--mas-ink)}
.toggle[aria-pressed=true] i{background:var(--mas-ink)}
.toggle[aria-pressed=true] i::after{transform:translateX(.75rem)}
.help{display:none;margin:0;padding:0;list-style:none;columns:2 15rem;column-gap:var(--mas-space-6);font-size:var(--mas-text-2)}
.help[data-open=true]{display:block}
.help li{break-inside:avoid;padding:3px 0}
.help li.help-h{padding-top:var(--mas-space-2);color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600}
.help b{font-weight:600}
.help span{color:var(--mas-ink-2)}

/* Course Tutor */
.tutor{inset-inline-end:max(var(--mas-space-6),env(safe-area-inset-right));inset-block-end:max(var(--mas-space-6),env(safe-area-inset-bottom));inline-size:min(27rem,calc(100% - 2rem));max-block-size:min(40rem,calc(100dvh - 3rem));grid-template-rows:auto minmax(0,1fr) auto auto;padding:var(--mas-space-5)}
.tutor-head{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:var(--mas-space-3);align-items:start}
.tutor-head h2{font-size:1rem}
.tutor-head p{margin:2px 0 0;color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.tutor-ic{display:grid;place-items:center;inline-size:2.25rem;block-size:2.25rem;border-radius:50%;background:var(--mas-selection)}
.tutor-close{min-height:2.25rem;min-width:2.25rem;padding:0;background:none}
.tutor-log{display:grid;align-content:start;gap:var(--mas-space-4);min-block-size:6rem;overflow:auto;overscroll-behavior:contain}
.tq{justify-self:end;max-inline-size:85%;margin:0;padding:var(--mas-space-2) var(--mas-space-3);border-radius:var(--mas-radius-control);background:var(--mas-selection);overflow-wrap:anywhere}
.ta{display:grid;gap:var(--mas-space-2)}
.ta>p{margin:0}
.ans{padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-surface)}
.ans p{margin:0 0 var(--mas-space-1)}
.ans .src{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--mas-space-1) var(--mas-space-3);color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.ans .src a{color:var(--mas-ink);font-weight:600;text-underline-offset:3px}
.tutor-form{display:flex;gap:var(--mas-space-2)}
.tutor-form .mas-input{flex:1;min-width:0;background:var(--mas-surface)}
.tutor .note{margin:0}

/* Alerts live in their own dock (user request, 2026-10-20): bottom-right, stacked above the voice button, so they never cover the page header or its buttons */
.toast{position:fixed;inset-inline-end:max(var(--mas-space-6),env(safe-area-inset-right));inset-block-end:calc(max(var(--mas-space-6),env(safe-area-inset-bottom)) + 4.5rem);z-index:var(--mas-z-toast);max-inline-size:min(22rem,calc(100% - 2rem));padding:var(--mas-space-2) var(--mas-space-4);border-radius:var(--mas-radius-control);background:var(--mas-ink);color:var(--mas-surface);font-weight:500;box-shadow:var(--mas-shadow-soft);opacity:0;transform:translateY(-6px);transition:opacity var(--mas-micro) var(--mas-ease),transform var(--mas-micro) var(--mas-ease);pointer-events:none}
.toast[data-show=true]{opacity:1;transform:none}
body[data-sheet=open] .toast{inset-block-end:max(var(--mas-space-6),env(safe-area-inset-bottom))}

/* ---------- Rail: Courses with its submenu ---------- */
.mas-subnav{display:grid;gap:2px}
.mas-nav a.sub{min-height:2rem;padding-inline-start:2.25rem;font-size:var(--mas-text-2)}
.mas-nav a.sub .mas-ic{inline-size:1rem;block-size:1rem}

/* ---------- Course page: Course notes under «This course includes» ---------- */
.cnotes-sec{margin-top:var(--mas-space-8)}
.cnotes-sec h2{margin-bottom:var(--mas-space-3)}
.cnotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--mas-space-2)}
.ncard{display:grid;align-content:start;gap:var(--mas-space-1);min-width:0;padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-fill);color:inherit;text-decoration:none}
.ncard-top{display:flex;align-items:center;justify-content:space-between;gap:var(--mas-space-2)}
.ncard-top small,.ncard-l{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.ncard .tstamp{background:var(--mas-surface)}
.ncard-text{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-weight:500;line-height:1.4;overflow-wrap:anywhere}
.cn-empty{margin:0;padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-fill);color:var(--mas-ink-2);font-size:var(--mas-text-2)}

/* ---------- Lesson check over the video, chapters and quiz marks ---------- */
.stage{position:relative;container-type:inline-size}
.quiz-host{position:absolute;inset:0;display:none;place-items:center;padding:var(--mas-space-4);border-radius:var(--mas-radius-object);background:rgba(15,37,51,.55)}
.quiz-host[data-open=true]{display:grid}
.quiz,.endcard{display:grid;gap:var(--mas-space-3);inline-size:min(36rem,100%);max-block-size:100%;overflow:auto;padding:var(--mas-space-5);border-radius:var(--mas-radius-overlay);
  background:rgba(15,37,51,.92);-webkit-backdrop-filter:blur(20px) saturate(1.3);backdrop-filter:blur(20px) saturate(1.3);box-shadow:0 0 0 1px rgba(182,227,232,.18),0 18px 40px -16px rgba(15,37,51,.9);color:#FBFCFD}
.quiz[hidden]{display:none}
.quiz :focus-visible,.endcard :focus-visible{outline:2px solid var(--mas-brand-bay);outline-offset:2px}
.quiz-kicker{margin:0;color:var(--mas-brand-bay);font-size:var(--mas-text-meta);font-weight:600}
.quiz h3,.endcard h3{margin:0;font:700 1.125rem/1.3 var(--mas-font-brand);letter-spacing:-.01em}
.endcard p:not(.quiz-kicker){margin:0;color:#FBFCFD;font-size:var(--mas-text-2)}
.quiz-opts{display:grid;gap:var(--mas-space-2)}
.quiz-opt{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:var(--mas-space-3);min-height:var(--mas-touch);padding:var(--mas-space-2) var(--mas-space-3);border:1.5px solid rgba(182,227,232,.35);border-radius:var(--mas-radius-control);background:rgba(182,227,232,.06);color:#FBFCFD;text-align:left;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease),border-color var(--mas-micro) var(--mas-ease)}
.quiz-opt:hover:not([disabled]){border-color:var(--mas-brand-bay);background:rgba(182,227,232,.12)}
.quiz-opt b{display:grid;place-items:center;inline-size:1.5rem;block-size:1.5rem;border-radius:50%;background:rgba(182,227,232,.16);color:var(--mas-brand-bay);font-size:var(--mas-text-meta)}
.quiz-opt[disabled]{cursor:default}
.quiz-opt[data-state=right]{border-color:var(--mas-brand-bay);background:rgba(182,227,232,.2)}
.quiz-opt[data-state=right] b{background:var(--mas-brand-bay);color:#0F2533}
.quiz-opt[data-state=wrong]{border-style:dashed}
.quiz-opt[data-state=wrong] span{text-decoration:line-through;text-decoration-color:rgba(182,227,232,.6)}
.quiz-fb{display:flex;align-items:center;gap:var(--mas-space-2);margin:0;font-size:var(--mas-text-2)}
.quiz-fb .mas-ic{color:var(--mas-brand-bay)}
.quiz-actions{display:flex;flex-wrap:wrap;gap:var(--mas-space-2)}
.quiz-btn{display:inline-flex;align-items:center;gap:var(--mas-space-2);min-height:2.5rem;padding:0 var(--mas-space-4);border:0;border-radius:var(--mas-radius-control);background:var(--mas-brand-bay);color:#0F2533;font-weight:600;cursor:pointer}
.quiz-btn.ghost{border:1.5px solid rgba(182,227,232,.5);background:none;color:#FBFCFD}
.quiz-btn .mas-ic{inline-size:1rem;block-size:1rem}
@container (max-width:34rem){
  .quiz-host{position:static;margin-top:var(--mas-space-2);padding:0;background:none}
  .quiz,.endcard{inline-size:100%;max-block-size:none;overflow:visible}
}
/* YouTube pilot (yt-player.js): YouTube's own player fills the frame; our check and messages sit under it */
.player-yt{-webkit-user-select:auto;user-select:auto}
.player-yt iframe,.player-yt .yt-frame{display:block;inline-size:100%;block-size:100%;border:0}
.yt-msg{margin:var(--mas-space-2) 0 0;color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.yt-msg:empty{display:none}
.stage[data-src=youtube] .quiz-host{position:static;margin-top:var(--mas-space-3);padding:0;background:none}
.stage[data-src=youtube] .quiz,.stage[data-src=youtube] .endcard{inline-size:100%;max-block-size:none;overflow:visible}
.seek-quiz{position:absolute;inset-block-start:50%;inline-size:.625rem;block-size:.625rem;translate:-50% -50%;rotate:45deg;border:2px solid #0F2533;border-radius:2px;background:var(--mas-brand-bay);pointer-events:none}
.pmenu-wide{min-inline-size:min(20rem,calc(100% - 1.5rem));max-inline-size:min(26rem,calc(100% - 1.5rem))}
.pmenu .ch{display:grid;grid-template-columns:2.5rem minmax(0,1fr);gap:var(--mas-space-2);white-space:normal;line-height:1.35;padding-block:6px}
.pmenu .ch time{color:var(--mas-brand-bay);font-variant-numeric:tabular-nums}
.pmenu button:has(.ch){align-items:flex-start}
.ch-note{display:flex;align-items:center;gap:6px;margin:2px 10px;color:var(--mas-brand-bay);font-size:var(--mas-text-meta)}
.ch-note .mas-ic{inline-size:.875rem;block-size:.875rem}

/* ---------- Locked lesson ---------- */
.locked{display:grid;justify-items:start;gap:var(--mas-space-3);max-inline-size:42rem;margin-top:var(--mas-space-4);padding:var(--mas-space-8);border-radius:var(--mas-radius-overlay);background:var(--mas-fill)}
.locked p{margin:0}
.locked-ic{display:grid;place-items:center;inline-size:2.75rem;block-size:2.75rem;border-radius:50%;background:var(--mas-selection);color:var(--mas-ink)}
.primary-host{display:contents}

/* ---------- Preferences ---------- */
@media (prefers-reduced-transparency:reduce){
  .voice,.tutor,.filters[data-open=true]{background:var(--mas-surface);-webkit-backdrop-filter:none;backdrop-filter:none}
  .pmenu,.quiz,.endcard{background:#0F2533;-webkit-backdrop-filter:none;backdrop-filter:none}
}
@media (prefers-reduced-motion:reduce){
  .mic-fab[aria-pressed=true]::after,.vmic[aria-pressed=true]::after,.voice[data-state=listening] .wave i{animation:none}
  .voice[data-state=listening] .wave i{block-size:70%}
  .rise{animation:none}
  .card:hover,.cat:hover,.help-row:hover,.mod:hover,.ncard:hover{transform:none}
  .card::after,.ma-tip,.stick,.stick h1,.nav-caret .mas-ic,.bar-title,.bar-cta{transition:none}
  .mas-subnav:not([hidden]){animation:none}
  .theme-switch .knob,.theme-switch .mas-ic{transition:none}
}

/* ---------- Widths ---------- */
@media (min-width:110rem){
  .mas-main{--main-px:var(--mas-space-12)}
  .lesson{grid-template-columns:minmax(0,1fr) 23rem}
}
@media (max-width:80rem){
  .banner{grid-template-columns:minmax(0,1fr)}
  .course{grid-template-columns:minmax(0,1fr);grid-template-areas:"welcome" "includes" "content" "reviews"}
  .includes{position:static}
  .inc{grid-template-columns:repeat(auto-fill,minmax(11rem,1fr))}
  .lesson{grid-template-columns:minmax(0,1fr)}
  .lesson-side{position:static;max-block-size:none;overflow:visible}
}
@media (max-width:64rem){
  .catalog{grid-template-columns:minmax(0,1fr)}
  .side{position:static}
  .filters-btn{display:inline-flex}
  /* Filters become a sheet over the results: one node, restyled */
  .filters{position:fixed;inset-inline:0;inset-block-end:0;z-index:var(--mas-z-overlay);max-block-size:85dvh;overflow:auto;overscroll-behavior:contain;padding:var(--mas-space-4) var(--mas-space-5) var(--mas-space-6);border-radius:var(--mas-radius-overlay) var(--mas-radius-overlay) 0 0;
    background:var(--mas-material);-webkit-backdrop-filter:blur(20px) saturate(1.3);backdrop-filter:blur(20px) saturate(1.3);box-shadow:var(--mas-edge-light),0 0 0 1px var(--mas-line-soft),var(--mas-shadow-soft);
    transform:translateY(100%);visibility:hidden;transition:transform var(--mas-panel) var(--mas-damped),visibility 0s linear var(--mas-panel)}
  .filters[data-open=true]{transform:none;visibility:visible;transition-delay:0s}
  .filters-head{display:flex;align-items:center;justify-content:space-between;gap:var(--mas-space-3)}
  .filters .opt{min-height:var(--mas-touch)}
  .welcome{grid-template-columns:minmax(0,1fr);padding:var(--mas-space-6)}
  .welcome .cover{max-inline-size:26rem;order:-1}
}
@media (max-width:47.5rem){
  body[data-view=lesson] .rail-toggle{display:none} /* phones use the drawer */
  .mas-shell{display:block}
  .topbar{position:sticky;top:0;z-index:var(--mas-z-nav);display:flex;align-items:center;justify-content:space-between;gap:var(--mas-space-3);padding:var(--mas-space-3) var(--mas-space-4);background:var(--mas-surface);border-bottom:1px solid var(--mas-line-soft)}
  .topbar img{inline-size:6.5rem;display:block}
  .topbar .mas-btn{min-width:var(--mas-touch);padding:0}
  .mas-rail{position:fixed;inset:0 auto 0 0;z-index:var(--mas-z-overlay);display:flex;inline-size:min(18rem,85vw);height:100dvh;transform:translateX(-100%);visibility:hidden;transition:transform var(--mas-panel) var(--mas-damped),visibility 0s linear var(--mas-panel)}
  body[data-drawer=open] .mas-rail{transform:none;visibility:visible;transition-delay:0s}
  .scrim{position:fixed;inset:0;z-index:var(--mas-z-scrim);background:rgba(15,37,51,.45)}
  .mas-main{padding-top:var(--mas-space-4)}
  .mas-nav a{min-height:var(--mas-touch)}
  .banner{padding:var(--mas-space-4)}
  .cats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat{flex-direction:column;align-items:flex-start;gap:var(--mas-space-2);padding:var(--mas-space-3)}
  .cat b{overflow-wrap:normal}
  .card .cover{aspect-ratio:16/7}
  .inc{grid-template-columns:repeat(2,minmax(0,1fr))}
  .results-head .mas-input{flex:1 1 100%;order:3}
  .grid{grid-template-columns:minmax(0,1fr)}
  .welcome{padding:var(--mas-space-5)}
  .welcome-cta .mas-btn-primary{inline-size:100%}
  .lesson-head h1{font-size:1.5rem}
  .lesson-actions{inline-size:100%;display:grid;grid-template-columns:minmax(0,1fr)}
  .lesson-actions .next-btn{order:-1}
  .lesson-actions .mas-btn{min-width:0}
  .lesson .player{margin-inline:calc(-1 * clamp(var(--mas-space-4),3vw,var(--mas-space-8)));border-radius:0}
  .help{columns:1}
  .mic-fab{inline-size:3.25rem;block-size:3.25rem}
  .tutor{inset-inline:var(--mas-space-2);inline-size:auto;inset-block-end:var(--mas-space-2)}
  .voice{inset-block-end:var(--mas-space-2)}
  .mas-btn,.mas-input{min-height:var(--mas-touch)}
}

/* ---------- Rail: Courses submenu folds under its parent ---------- */
.nav-group{position:relative}
.nav-group>a{padding-inline-end:2.5rem}
.nav-caret{position:absolute;inset-inline-end:4px;inset-block-start:50%;translate:0 -50%;display:grid;place-items:center;inline-size:1.75rem;block-size:1.75rem;padding:0;border:0;border-radius:var(--mas-radius-control);background:none;color:var(--mas-rail-text);cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease),color var(--mas-micro) var(--mas-ease)}
.nav-caret:hover{background:var(--mas-rail-active);color:#FBFCFD}
.nav-caret .mas-ic{inline-size:1rem;block-size:1rem;transition:transform var(--mas-micro) var(--mas-ease)}
.nav-caret[aria-expanded=false] .mas-ic{transform:rotate(-90deg)}
.mas-subnav[hidden]{display:none}
.mas-subnav:not([hidden]){animation:rise .2s var(--mas-damped) both}
body[data-rail=collapsed] .nav-caret{display:none}

/* ---------- Rail: language switch (ES / EN) under the Light/Dark switch ---------- */
.lang-switch{display:inline-flex;flex:none;gap:2px;padding:2px;border:1.5px solid var(--mas-brand-bay);border-radius:var(--mas-radius-pill);background:rgba(182,227,232,.16)}
.lang-switch button{min-inline-size:2rem;block-size:1.375rem;padding:0 8px;border:0;border-radius:var(--mas-radius-pill);background:none;color:var(--mas-rail-text);font:600 var(--mas-text-meta)/1 var(--mas-font-ui);letter-spacing:.04em;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease),color var(--mas-micro) var(--mas-ease)}
.lang-switch button:hover{color:#FBFCFD}
.lang-switch button[aria-checked=true]{background:#0F2533;color:var(--mas-brand-bay);box-shadow:0 0 0 1px var(--mas-brand-bay)}
/* Both switches share one row, no text labels: each keeps its accessible name and its tooltip */
.switch-row{display:flex;align-items:center;gap:var(--mas-space-3);min-height:2.75rem}
body[data-rail=collapsed] .switch-row{display:none}

/* ---------- Descriptions of the important controls (tips.js): one floating tooltip with a shadow ---------- */
.ma-tip{position:fixed;inset-block-start:0;inset-inline-start:0;z-index:800;max-inline-size:17rem;padding:7px 11px;border-radius:9px;background:#0F2533;color:#FBFCFD;font-size:var(--mas-text-meta);font-weight:500;line-height:1.4;
  box-shadow:0 0 0 1px rgba(182,227,232,.2),0 12px 30px -8px rgba(15,37,51,.55),0 3px 8px rgba(15,37,51,.22);pointer-events:none;opacity:0;transition:opacity var(--mas-micro) var(--mas-ease)}
.ma-tip[data-show=true]{opacity:1}
.ma-tip b{display:block;margin-bottom:1px;color:var(--mas-brand-bay);font-weight:600}
[data-theme=dark] .ma-tip{background:#FBFCFD;color:#0F2533;box-shadow:0 0 0 1px rgba(182,227,232,.5),0 14px 34px -8px rgba(0,0,0,.7),0 3px 8px rgba(0,0,0,.4)}
[data-theme=dark] .ma-tip b{color:#0F2533}

/* ---------- Sticky page header: the top of every view stays while the page scrolls ---------- */
.stick{position:sticky;inset-block-start:calc(var(--topbar-h,0px) + var(--dock-h,0px));z-index:var(--mas-z-sticky);margin-inline:calc(-1 * var(--main-px));margin-block-start:calc(-1 * var(--mas-space-6));padding:var(--mas-space-4) var(--main-px) var(--mas-space-3);background:var(--mas-surface);transition:box-shadow var(--mas-micro) var(--mas-ease)}
body[data-scrolled=true] .stick{box-shadow:0 1px 0 var(--mas-line-soft),0 12px 24px -20px rgba(15,37,51,.45)}
[data-theme=dark] body[data-scrolled=true] .stick{box-shadow:0 1px 0 var(--mas-line-soft),0 12px 24px -16px rgba(0,0,0,.6)}
.page-head.stick{align-items:center;margin-bottom:var(--mas-space-5)}
.page-head.stick h1{transition:font-size .2s var(--mas-damped)}
body[data-scrolled=true] .page-head.stick h1{font-size:1.75rem}
.mas-main *{scroll-margin-top:calc(var(--topbar-h,0px) + var(--dock-h,0px) + var(--head-h,0px) + var(--mas-space-3))}
/* Course page: crumb at rest; title and the red action join it once the welcome card scrolls away */
.course-bar{display:flex;align-items:center;gap:var(--mas-space-2) var(--mas-space-4);min-block-size:3.25rem;margin-bottom:var(--mas-space-4)}
.course-bar .crumb{flex:none;margin:0}
.bar-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:700 1.0625rem/1.3 var(--mas-font-brand);letter-spacing:-.01em;opacity:0;transform:translateY(4px);transition:opacity var(--mas-micro) var(--mas-ease),transform var(--mas-micro) var(--mas-ease)}
.bar-cta{flex:none;max-inline-size:min(22rem,45%);visibility:hidden;opacity:0;transition:opacity var(--mas-micro) var(--mas-ease),visibility 0s linear var(--mas-micro)}
.course-bar[data-compact=true] .bar-title{opacity:1;transform:none}
.course-bar[data-compact=true] .bar-cta{visibility:visible;opacity:1;transition-delay:0s}
.course-bar .crumb+.bar-title{border-inline-start:1px solid var(--mas-line-soft);padding-inline-start:var(--mas-space-4)}
.lesson-top.stick{margin-bottom:var(--mas-space-3)}
@media (max-width:47.5rem){
  .stick{margin-block-start:calc(-1 * var(--mas-space-4))}
  .bar-title{display:none}
  .bar-cta{margin-inline-start:auto;max-inline-size:60%}
  .bar-cta .mas-ic{display:none}
  body[data-scrolled=true] .page-head.stick h1{font-size:1.5rem}
}

/* ---------- Course page: reviews under «Course content» ---------- */
.reviews{grid-area:reviews;min-width:0;padding:var(--mas-space-8) var(--mas-space-6) var(--mas-space-6);border-radius:var(--mas-radius-overlay);background:var(--mas-canvas)}
.rev-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:center;gap:var(--mas-space-3);margin-bottom:var(--mas-space-5);text-align:center}
.rev-head h2{font:700 clamp(1.25rem,2.2vw,1.625rem)/1.25 var(--mas-font-brand);letter-spacing:-.02em}
.rev-score{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:var(--mas-space-2) var(--mas-space-3);margin:var(--mas-space-2) 0 0}
.rev-score>b{font:700 1.5rem/1 var(--mas-font-brand)}
.stars{display:inline-flex;gap:2px;vertical-align:middle}
.star{inline-size:1.125rem;block-size:1.125rem;fill:none;stroke:var(--mas-fill-strong);stroke-width:1.5;stroke-linejoin:round}
.star.on{fill:#E43742;stroke:#E43742}
.stars.big .star{inline-size:1.375rem;block-size:1.375rem}
[data-theme=dark] .star.on{fill:var(--mas-brand-bay);stroke:var(--mas-brand-bay)}
[data-theme=dark] .star{stroke:rgba(182,227,232,.35)}
.rate-box{max-inline-size:44rem;margin:0 auto var(--mas-space-6);padding:var(--mas-space-4) var(--mas-space-5);border-radius:var(--mas-radius-object);background:var(--mas-surface);box-shadow:0 0 0 1px var(--mas-line-soft)}
.rate-form{display:grid;gap:var(--mas-space-3)}
.rate-form textarea{inline-size:100%;min-block-size:3.5rem;resize:vertical;line-height:1.5}
.rate-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2) var(--mas-space-4)}
.rate-label,.rate-done b{font-weight:600}
.rate{display:inline-flex;gap:2px}
.rate button{display:grid;place-items:center;inline-size:2.25rem;block-size:2.25rem;padding:0;border:0;border-radius:var(--mas-radius-control);background:none;cursor:pointer;transition:transform .16s var(--mas-damped),background-color var(--mas-micro) var(--mas-ease)}
.rate button:hover{background:var(--mas-fill);transform:scale(1.08)}
.rate .star{inline-size:1.625rem;block-size:1.625rem}
.rate-done{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--mas-space-2) var(--mas-space-4)}
.rate-done>span:first-child{display:inline-flex;align-items:center;gap:var(--mas-space-3)}
.rate-actions{display:inline-flex;gap:var(--mas-space-4)}
.rate-actions .mas-link{font-size:var(--mas-text-2)}
/* Masonry wall: columns keep each card whole */
.rev-wall{columns:4 15rem;column-gap:var(--mas-space-3)}
.rev{display:grid;gap:var(--mas-space-2);break-inside:avoid;margin:0 0 var(--mas-space-3);padding:var(--mas-space-4);border-radius:var(--mas-radius-object);background:var(--mas-surface);box-shadow:0 0 0 1px var(--mas-line-soft),0 1px 2px rgba(15,37,51,.05);transition:box-shadow var(--mas-micro) var(--mas-ease),transform .2s var(--mas-damped)}
@media (hover:hover){
  .rev:hover{transform:translateY(-2px);box-shadow:0 0 0 1.5px #E43742,0 14px 30px -16px rgba(228,55,66,.45)}
  [data-theme=dark] .rev:hover{box-shadow:0 0 0 1.5px var(--mas-brand-bay),0 12px 30px -14px rgba(182,227,232,.4)}
}
.rev.mine{box-shadow:0 0 0 1.5px var(--mas-ink)}
.rev-who{display:flex;align-items:center;gap:var(--mas-space-3);min-width:0}
.rev-who .mas-av{flex:none;inline-size:2.5rem;block-size:2.5rem;font-size:var(--mas-text-meta);background:var(--mas-selection);color:var(--mas-ink)}
.rev-who>span:last-child{min-width:0}
.rev-who b{display:block;font-weight:600;line-height:1.3;overflow-wrap:anywhere}
.rev-who small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.rev-text{margin:0;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;line-height:1.55;overflow-wrap:anywhere}
.rev[data-open=true] .rev-text{display:block;-webkit-line-clamp:unset}
.rev-more{justify-self:start;font-size:var(--mas-text-2)}
.rev-more[hidden]{display:none}
.rev-when{color:var(--mas-ink-2);font-size:var(--mas-text-micro)}
@media (max-width:47.5rem){
  .reviews{padding:var(--mas-space-5) var(--mas-space-3)}
  .rate-box{padding:var(--mas-space-3)}
}
@media (prefers-reduced-motion:reduce){ .rev:hover,.rate button:hover{transform:none} }

/* ---------- All courses: inspiration banner under «Courses» (inspire.js) ---------- */
.insp{position:relative;isolation:isolate;overflow:hidden;block-size:clamp(14rem,27vw,23.125rem);margin-bottom:var(--mas-space-5);border-radius:var(--mas-radius-overlay);background:#0F2533;box-shadow:0 18px 40px -26px rgba(15,37,51,.55)}
.insp-photos,.insp-slide,.insp-slide img{position:absolute;inset:0}
.insp-slide{opacity:0;transition:opacity .7s var(--mas-ease)}
.insp-slide[data-on=true]{opacity:1}
.insp-slide img{inline-size:100%;block-size:100%;object-fit:cover;transform:scale(1.06);transition:transform 7s linear}
.insp-slide[data-on=true] img{transform:scale(1)}
/* Shifted slide: the photo starts at --shift with a soft left edge; a blurred, darker copy fills the strip */
.insp-slide[data-shift] .insp-fg{inset-inline-start:var(--shift);inline-size:calc(100% - var(--shift));-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16%);mask-image:linear-gradient(90deg,transparent 0,#000 16%)}
.insp-slide .insp-bg,.insp-slide[data-on=true] .insp-bg{object-position:0 0;filter:blur(22px) brightness(.62) saturate(1.1);transform:scale(1.2)}
/* Two dark labels, as in the reference: the lead, and the typed «/word» in its own colour */
.insp-text{position:absolute;inset-inline-start:clamp(var(--mas-space-4),3vw,var(--mas-space-8));inset-block-start:clamp(var(--mas-space-4),2.5vw,var(--mas-space-6));display:grid;justify-items:start;gap:4px;margin:0;pointer-events:none}
.insp-lead,.insp-word{padding:4px 12px;border-radius:4px;background:rgba(9,22,31,.9);box-shadow:0 6px 18px -8px rgba(0,0,0,.6)}
.insp-lead{color:#FBFCFD;font:700 clamp(calc(1.125rem + 2px),calc(2.1vw + 2px),calc(1.625rem + 2px))/1.25 var(--mas-font-brand);letter-spacing:-.01em}
.insp-word{display:inline-flex;align-items:center;min-block-size:calc(1.3em + 8px);min-inline-size:2rem;color:var(--c,#B6E3E8);font:600 clamp(calc(1.0625rem + 2px),calc(1.9vw + 2px),calc(1.5rem + 2px))/1.3 ui-monospace,"Cascadia Code","Cascadia Mono",Consolas,"SF Mono",Menlo,monospace;letter-spacing:.02em;transition:color .3s var(--mas-ease)}
.insp-caret{display:inline-block;inline-size:2px;block-size:1.05em;margin-inline-start:2px;background:currentColor}
.insp-word[data-state=hold] .insp-caret{animation:insp-blink 1s steps(1) infinite}
@keyframes insp-blink{50%{opacity:0}}
.insp-pause{position:absolute;inset-inline-end:var(--mas-space-3);inset-block-end:var(--mas-space-3);display:grid;place-items:center;inline-size:2.25rem;block-size:2.25rem;padding:0;border:0;border-radius:50%;background:rgba(9,22,31,.72);color:#FBFCFD;cursor:pointer;opacity:.75;transition:opacity var(--mas-micro) var(--mas-ease),background-color var(--mas-micro) var(--mas-ease)}
.insp-pause .mas-ic{inline-size:1rem;block-size:1rem}
.insp:hover .insp-pause,.insp-pause:focus-visible{opacity:1}
.insp-pause:hover{background:#0F2533}
.insp-pause:focus-visible{outline:2px solid var(--mas-brand-bay);outline-offset:2px}
@media (max-width:47.5rem){
  .insp{block-size:16rem;margin-inline:calc(-1 * var(--main-px));border-radius:0}
  .insp-slide[data-shift] .insp-fg{inset-inline-start:0;inline-size:100%;-webkit-mask-image:none;mask-image:none}
  .insp-slide .insp-bg{display:none}
}
@media (prefers-reduced-motion:reduce){ .insp-slide,.insp-slide .insp-fg{transition:none;transform:none} .insp-word[data-state=hold] .insp-caret{animation:none} }

/* ---------- Reading lessons (reading.js): article, copyable and runnable code, check after the text ---------- */
.lesson[data-kind=read] .lesson-head{margin-top:var(--mas-space-2)}
.rd-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 var(--mas-space-2);color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600}
.rd-kicker .mas-ic{inline-size:1rem;block-size:1rem}
.rd-prog{position:absolute;inset-inline:0;inset-block-end:0;block-size:3px;background:var(--mas-line-soft)}
.rd-prog i{display:block;inline-size:0;block-size:100%;background:var(--mas-ink);transition:inline-size .12s linear}
[data-theme=dark] .rd-prog i{background:var(--mas-brand-bay)}
.rd-video{position:relative;margin:var(--mas-space-4) 0 0;overflow:hidden;border-radius:var(--mas-radius-object);background:#0F2533}
.rd-video video{display:block;inline-size:100%;aspect-ratio:16/9;border-radius:var(--mas-radius-object);background:#0F2533}
.rd-video .player-brand{inline-size:clamp(3.5rem,9vw,5.5rem)}
.rd-toc{display:grid;gap:var(--mas-space-2);margin:var(--mas-space-4) 0 var(--mas-space-6);padding:var(--mas-space-3) var(--mas-space-4);border-radius:var(--mas-radius-object);background:var(--mas-fill)}
.rd-toc>b{color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600}
.rd-toc ol{display:flex;flex-wrap:wrap;gap:var(--mas-space-2);margin:0;padding:0;list-style:none;counter-reset:rd}
.rd-toc li{counter-increment:rd;min-width:0}
.rd-toc button{display:inline-flex;align-items:center;gap:var(--mas-space-2);max-inline-size:100%;min-block-size:2.25rem;padding:0 var(--mas-space-3);border:0;border-radius:var(--mas-radius-pill);background:var(--mas-surface);color:var(--mas-ink);font:500 var(--mas-text-2)/1.3 var(--mas-font-ui);text-align:left;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.rd-toc button::before{content:counter(rd);flex:none;color:var(--mas-ink-2);font-weight:600;font-variant-numeric:tabular-nums}
.rd-toc button:hover,.rd-toc button[aria-current]{background:var(--mas-selection)}
.rd-body{display:grid;gap:var(--mas-space-8);max-inline-size:48rem}
.rd-sec{min-width:0}
.rd-sec h2{display:flex;align-items:center;gap:var(--mas-space-3);margin-bottom:var(--mas-space-3);font:700 1.25rem/1.3 var(--mas-font-brand);letter-spacing:-.015em}
.rd-sec h2:focus{outline:none}
.rd-num{display:grid;place-items:center;flex:none;inline-size:1.75rem;block-size:1.75rem;border-radius:50%;background:var(--mas-selection);font:700 var(--mas-text-2)/1 var(--mas-font-ui)}
.rd-prose{display:grid;gap:var(--mas-space-4);min-width:0;font-size:.9375rem;line-height:1.65}
.rd-prose p,.rd-prose ul{margin:0}
.rd-prose ul{display:grid;gap:var(--mas-space-1);padding-inline-start:1.25rem}
.rd-prose li::marker{color:var(--mas-ink-2)}
.rd-prose :not(pre)>code{padding:1px 6px;border-radius:6px;background:var(--mas-fill-strong);font:500 .875em/1.4 ui-monospace,"Cascadia Code","Cascadia Mono",Consolas,"SF Mono",Menlo,monospace;overflow-wrap:anywhere}
.rd-tip{display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--mas-space-3);align-items:start;padding:var(--mas-space-3) var(--mas-space-4);border-radius:var(--mas-radius-object);background:var(--mas-ask)}
.rd-tip>.mas-ic{margin-top:3px;color:var(--mas-ink)}
.rd-tip p{margin:0}
/* Code: Daintree in both views, Bay labels; a horizontal scroll stays inside the block, never the page */
.rd-code{min-width:0;margin:0;border-radius:var(--mas-radius-object);background:#0F2533;color:#FBFCFD;overflow:hidden}
[data-theme=dark] .rd-code{box-shadow:0 0 0 1px rgba(182,227,232,.18)}
.rd-code figcaption{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-1) var(--mas-space-3);padding:var(--mas-space-2) var(--mas-space-2) var(--mas-space-2) var(--mas-space-4);border-bottom:1px solid rgba(182,227,232,.14)}
.rd-lang{padding:1px 8px;border-radius:var(--mas-radius-pill);background:rgba(182,227,232,.14);color:var(--mas-brand-bay);font-size:var(--mas-text-micro);font-weight:600;letter-spacing:.02em}
.rd-code figcaption b{flex:1 1 10rem;min-width:0;font-size:var(--mas-text-2);font-weight:600;color:#FBFCFD;overflow-wrap:anywhere}
.rd-acts{display:flex;flex-wrap:wrap;gap:var(--mas-space-1);margin-inline-start:auto}
.rd-btn{display:inline-flex;align-items:center;gap:6px;min-block-size:2.25rem;padding:0 var(--mas-space-3);border:0;border-radius:var(--mas-radius-control);background:rgba(182,227,232,.1);color:var(--mas-brand-bay);font:600 var(--mas-text-2)/1 var(--mas-font-ui);cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.rd-btn:hover{background:rgba(182,227,232,.2)}
.rd-btn[hidden]{display:none}
.rd-btn .mas-ic{inline-size:1rem;block-size:1rem}
.rd-run{background:var(--mas-brand-bay);color:#0F2533}
.rd-run:hover{background:color-mix(in oklab,#B6E3E8 85%,#FBFCFD)}
.rd-run:disabled{opacity:.6;cursor:progress}
.rd-code :focus-visible{outline:2px solid var(--mas-brand-bay);outline-offset:2px}
.rd-code pre,.rd-edit,.rd-out pre{margin:0;font:400 .8125rem/1.6 ui-monospace,"Cascadia Code","Cascadia Mono",Consolas,"SF Mono",Menlo,monospace;font-variant-ligatures:none;tab-size:2}
.rd-code>pre{padding:var(--mas-space-3) var(--mas-space-4);overflow-x:auto;white-space:pre;scrollbar-width:thin}
.rd-code>pre:focus-visible{outline-offset:-2px}
.rd-edit{display:block;inline-size:100%;min-block-size:6rem;padding:var(--mas-space-3) var(--mas-space-4);border:0;background:none;color:#FBFCFD;resize:vertical;overflow-x:auto;white-space:pre;caret-color:var(--mas-brand-bay);scrollbar-width:thin}
.rd-edit:focus-visible{outline-offset:-2px}
.rd-out{display:grid;gap:2px;max-block-size:20rem;overflow:auto;padding:var(--mas-space-3) var(--mas-space-4);border-top:1px solid rgba(182,227,232,.14);background:rgba(182,227,232,.06)}
.rd-out[hidden]{display:none}
.rd-out pre{white-space:pre-wrap;overflow-wrap:anywhere;color:#FBFCFD}
.rd-out pre[data-kind=warn]{color:var(--mas-brand-bay)}
.rd-out pre[data-kind=error]{color:color-mix(in oklab,#DF1833 50%,#FBFCFD)}
.rd-out pre[data-kind=info]{color:rgba(182,227,232,.75)}
.rd-out pre[data-kind=error]::before{content:"✗ "}
.rd-meta{margin:var(--mas-space-1) 0 0;color:rgba(182,227,232,.75);font-size:var(--mas-text-micro)}
/* The check after the article: same dark card as inside the video */
.rd-check{display:grid;gap:var(--mas-space-2);max-inline-size:48rem;margin:var(--mas-space-12) 0 var(--mas-space-4);padding-top:var(--mas-space-6);border-top:1px solid var(--mas-line-soft)}
.rd-check>p{margin:0 0 var(--mas-space-2)}
.rd-check .quiz{inline-size:100%;max-block-size:none;overflow:visible}
.rd-check+.proto{margin-bottom:var(--mas-space-6)}
.les-ic[data-kind=read],.les-ic[data-kind=project]{background:var(--mas-selection)}
@media (max-width:47.5rem){
  .rd-toc{margin-inline:calc(-1 * var(--main-px));border-radius:0;padding-inline:var(--main-px)}
  .rd-code{margin-inline:calc(-1 * var(--main-px));border-radius:0}
  .rd-code figcaption b{flex-basis:100%;order:-1}
  .rd-acts{margin-inline-start:0}
  .rd-btn{min-block-size:var(--mas-touch)}
  .rd-prose{font-size:1rem}
}
@media (prefers-reduced-motion:reduce){ .rd-prog i{transition:none} }

/* ---------- Web and phone: notches, a compact lesson header, touch ---------- */
.mas-main{padding-inline:max(var(--main-px),env(safe-area-inset-left)) max(var(--main-px),env(safe-area-inset-right));padding-bottom:calc(var(--mas-space-4) + env(safe-area-inset-bottom))}
@media (max-width:47.5rem){
  .topbar{padding-block-start:max(var(--mas-space-3),env(safe-area-inset-top));padding-inline:max(var(--mas-space-4),env(safe-area-inset-left)) max(var(--mas-space-4),env(safe-area-inset-right))}
  .mas-rail{padding-block-start:max(var(--mas-space-4),env(safe-area-inset-top));padding-block-end:max(var(--mas-space-4),env(safe-area-inset-bottom))}
  /* The lesson header stays one line on a phone: the course and position truncate instead of wrapping */
  .lesson-top{flex-wrap:nowrap;align-items:center;padding-block:var(--mas-space-2)}
  .lesson-top .muted{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--mas-text-meta)}
  .lesson-top .crumb{flex:none;min-height:var(--mas-touch)}
  .mas-tabs button{min-height:var(--mas-touch)}
  .lesson-side .les{min-height:var(--mas-touch)}
}
/* Landscape phones: the voice and tutor sheets keep their input reachable above the keyboard */
@media (max-height:30rem) and (orientation:landscape){
  .voice,.tutor{max-block-size:calc(100dvh - 1rem);inset-block-end:.5rem}
  .mic-fab{inline-size:2.75rem;block-size:2.75rem}
}

/* ---------- Course page: «Start here» guide in Course content (course.js · guideFor) ----------
   Not red (the red button stays the only one): a Daintree pill with Bay text and a pulsing play icon on the
   lesson the red button opens. When its module is folded, the module header carries the same pill. */
.guide-pill{display:inline-flex;align-items:center;gap:4px;inline-size:max-content;max-inline-size:100%;margin-block-end:4px;padding:2px 10px 2px 6px;border-radius:var(--mas-radius-pill);background:#0F2533;color:var(--mas-brand-bay);font:600 var(--mas-text-meta)/1.4 var(--mas-font-ui);letter-spacing:.01em;white-space:nowrap}
.guide-pill .mas-ic{inline-size:.875rem;block-size:.875rem}
[data-theme=dark] .guide-pill{background:var(--mas-brand-bay);color:#0F2533}
.les .guide-pill{display:flex}
.mod-guide{display:flex;margin:6px 0 0}
.mod-h[aria-expanded=true] .mod-guide{display:none}
.les.les-guide{background:var(--mas-selection);box-shadow:inset 0 0 0 1.5px var(--mas-ink)}
.les.les-guide+.les{box-shadow:none}
.les-guide .les-ic{position:relative;background:#0F2533;color:var(--mas-brand-bay)}
[data-theme=dark] .les-guide .les-ic{background:var(--mas-brand-bay);color:#0F2533}
.les-guide .les-ic::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--mas-brand-kashmir);animation:ring 1.6s var(--mas-ease) infinite}
[data-theme=dark] .les-guide .les-ic::after{border-color:var(--mas-brand-bay)}
@media (prefers-reduced-motion:reduce){ .les-guide .les-ic::after{animation:none;opacity:.6} }

/* ---------- Onboarding (onboarding.js): welcome with three answers, then a spotlight tour with short coach marks ---------- */
.tour-btn .mas-ic{color:var(--mas-ink-2)}
.ob{position:fixed;inset:0;z-index:650}
.ob-scrim{position:absolute;inset:0;background:rgba(15,37,51,.55);transition:background-color var(--mas-panel) var(--mas-damped)}
.ob[data-mode=tour] .ob-scrim{background:transparent}
[data-theme=dark] .ob-scrim{background:rgba(0,0,0,.62)}
[data-theme=dark] .ob[data-mode=tour] .ob-scrim{background:transparent}
/* The hole: a ring in Bay around the target, everything else dimmed by its shadow */
.ob-spot{position:fixed;border-radius:var(--mas-radius-object);box-shadow:0 0 0 3px var(--mas-brand-bay),0 0 0 9999px rgba(15,37,51,.55);pointer-events:none;
  transition:left var(--mas-panel) var(--mas-damped),top var(--mas-panel) var(--mas-damped),width var(--mas-panel) var(--mas-damped),height var(--mas-panel) var(--mas-damped)}
[data-theme=dark] .ob-spot{box-shadow:0 0 0 3px var(--mas-brand-bay),0 0 0 9999px rgba(0,0,0,.62)}
.ob-card{display:grid;gap:var(--mas-space-3);border-radius:var(--mas-radius-overlay);background:var(--mas-surface);color:var(--mas-ink);box-shadow:var(--mas-edge-light),0 0 0 1px var(--mas-line-soft),0 24px 60px -20px rgba(15,37,51,.55)}
[data-theme=dark] .ob-card{box-shadow:0 0 0 1px rgba(182,227,232,.22),0 24px 60px -16px rgba(0,0,0,.75)}
.ob-card h2{margin:0;font-family:var(--mas-font-brand);font-weight:600}
.ob-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:var(--mas-space-2) var(--mas-space-3)}
.ob-actions .mas-link{margin-inline-end:auto}
.ob-actions .mas-btn .mas-ic{inline-size:1rem;block-size:1rem}

/* Welcome */
.ob-welcome{position:fixed;inset-inline-start:50%;inset-block-start:50%;translate:-50% -50%;inline-size:min(38rem,calc(100% - 2rem));max-block-size:calc(100dvh - 2rem);overflow:auto;overscroll-behavior:contain;padding:var(--mas-space-6)}
.ob-welcome h2{font-size:1.5rem;line-height:1.25}
.ob-kicker{margin:0;color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600}
/* Corner of the welcome: read-aloud switch and its own ES/EN switch */
.ob-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--mas-space-2) var(--mas-space-4)}
.ob-tools{display:flex;align-items:center;gap:var(--mas-space-4);margin-inline-start:auto}
.ob-lang{display:inline-flex;flex:none;gap:2px;padding:2px;border:1.5px solid var(--mas-control-border);border-radius:var(--mas-radius-pill)}
.ob-lang button{min-inline-size:2.25rem;block-size:1.75rem;padding:0 10px;border:0;border-radius:var(--mas-radius-pill);background:none;color:var(--mas-ink-2);font:600 var(--mas-text-meta)/1 var(--mas-font-ui);letter-spacing:.04em;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease),color var(--mas-micro) var(--mas-ease)}
.ob-lang button:hover{color:var(--mas-ink);background:var(--mas-fill)}
.ob-lang button[aria-checked=true]{background:#0F2533;color:var(--mas-brand-bay)}
[data-theme=dark] .ob-lang button[aria-checked=true]{background:var(--mas-brand-bay);color:#0F2533}
.ob-voice-ic{display:grid;place-items:center;inline-size:2rem;block-size:2rem;padding:0;border:0;border-radius:50%;background:var(--mas-fill);color:var(--mas-ink-2);cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.ob-voice-ic .mas-ic{inline-size:1rem;block-size:1rem}
.ob-voice-ic:hover{background:var(--mas-fill-strong)}
.ob-voice-ic[aria-pressed=true]{background:var(--mas-selection);color:var(--mas-ink);box-shadow:inset 0 0 0 1.5px var(--mas-ink)}
[data-theme=dark] .ob-voice-ic[aria-pressed=true]{background:color-mix(in oklab,var(--mas-brand-bay) 22%,transparent)}
.ob-lead{margin:0;color:var(--mas-ink-2)}
.ob-q{display:grid;gap:var(--mas-space-2);margin:var(--mas-space-1) 0 0;padding:0;border:0;min-width:0}
.ob-q[hidden]{display:none}
.ob-q legend{padding:0;margin-bottom:var(--mas-space-2);font-weight:600}
.ob-q legend small{margin-inline-start:var(--mas-space-1);color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:500}
.ob-chips{display:flex;flex-wrap:wrap;gap:var(--mas-space-2)}
.ob-chip{position:relative;display:inline-flex}
.ob-chip input{position:absolute;inset:0;margin:0;opacity:0;cursor:pointer}
.ob-chip>span{display:inline-flex;align-items:center;gap:var(--mas-space-2);min-height:2.5rem;padding:6px 14px;border-radius:var(--mas-radius-control);background:var(--mas-fill);font-size:var(--mas-text-2);font-weight:500;transition:background-color var(--mas-micro) var(--mas-ease),box-shadow var(--mas-micro) var(--mas-ease)}
.ob-chip>span>.mas-ic{inline-size:1rem;block-size:1rem;color:var(--mas-ink-2)}
.ob-chip:hover>span{background:var(--mas-fill-strong)}
.ob-chip input:checked+span{background:var(--mas-selection);box-shadow:inset 0 0 0 1.5px var(--mas-ink);font-weight:600}
.ob-chip input:checked+span>.mas-ic{color:var(--mas-ink)}
.ob-chip input:focus-visible+span{outline:2px solid var(--mas-focus);outline-offset:2px}
[data-theme=dark] .ob-chip input:checked+span{background:color-mix(in oklab,var(--mas-brand-bay) 22%,transparent)}
.ob-welcome .ob-actions{margin-top:var(--mas-space-2)}

/* Coach mark */
.ob-coach{position:fixed;inset-block-start:0;inset-inline-start:0;inline-size:min(21rem,calc(100vw - 1.5rem));padding:var(--mas-space-4) var(--mas-space-5) var(--mas-space-4);gap:var(--mas-space-2);
  transition:transform var(--mas-panel) var(--mas-damped)}
.ob-coach-head{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:var(--mas-space-3)}
.ob-coach h2{font-size:1rem;line-height:1.3}
.ob-ic{display:grid;place-items:center;inline-size:2.25rem;block-size:2.25rem;border-radius:50%;background:#0F2533;color:var(--mas-brand-bay)}
[data-theme=dark] .ob-ic{background:var(--mas-brand-bay);color:#0F2533}
.ob-count{color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:600;font-variant-numeric:tabular-nums}
.ob-text{margin:0;font-size:var(--mas-text);line-height:1.5}
.ob-why{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-1) var(--mas-space-2);margin:0}
.ob-why span{color:var(--mas-ink-2);font-size:var(--mas-text-meta);font-weight:500}
.ob-why b{display:inline-flex;align-items:center;padding:1px 10px;border-radius:var(--mas-radius-pill);background:var(--mas-ask);color:var(--mas-ink);font-size:var(--mas-text-meta);font-weight:600}
[data-theme=dark] .ob-why b{background:color-mix(in oklab,var(--mas-brand-bay) 22%,transparent)}
.ob-dots{display:flex;gap:6px;margin:var(--mas-space-1) 0}
.ob-dots i{inline-size:6px;block-size:6px;border-radius:var(--mas-radius-pill);background:var(--mas-fill-strong);transition:inline-size var(--mas-micro) var(--mas-ease)}
.ob-dots i[data-done]{background:var(--mas-brand-kashmir)}
.ob-dots i[data-on]{inline-size:18px;background:var(--mas-ink)}
.ob-coach .mas-btn{min-height:2.5rem}
.ob-arrow{position:absolute;inline-size:14px;block-size:14px;background:inherit;rotate:45deg;display:none}
.ob-coach[data-side=bottom] .ob-arrow{display:block;inset-block-start:-7px;inset-inline-start:calc(var(--ax) - 7px)}
.ob-coach[data-side=top] .ob-arrow{display:block;inset-block-end:-7px;inset-inline-start:calc(var(--ax) - 7px)}
.ob-coach[data-side=right] .ob-arrow{display:block;inset-inline-start:-7px;inset-block-start:calc(var(--ay) - 7px)}
.ob-coach[data-side=left] .ob-arrow{display:block;inset-inline-end:-7px;inset-block-start:calc(var(--ay) - 7px)}
body[data-onboarding=on] .mic-fab[aria-pressed=true]::after{animation:none}
/* Targets scrolled into view land below the sticky header */
body[data-onboarding=on] :is(.card,.summary,#filters,#filtersBtn,#q){scroll-margin-top:calc(var(--topbar-h,0px) + var(--dock-h,0px) + var(--head-h,0px) + var(--mas-space-3))}

@media (max-width:47.5rem){
  /* Phone: the welcome is a bottom sheet */
  .ob-welcome{inset-block:auto 0;translate:-50% 0;inline-size:100%;max-block-size:92dvh;padding:var(--mas-space-5) var(--mas-space-4) 0;border-radius:var(--mas-radius-overlay) var(--mas-radius-overlay) 0 0}
  .ob-welcome h2{font-size:1.25rem}
  .ob-welcome .ob-actions{position:sticky;inset-block-end:0;margin-inline:calc(-1 * var(--mas-space-4));padding:var(--mas-space-3) var(--mas-space-4) max(var(--mas-space-5),env(safe-area-inset-bottom));background:var(--mas-surface);box-shadow:0 -1px 0 var(--mas-line-soft)}
  .ob-chip>span{min-height:var(--mas-touch)}
  .ob-coach{padding:var(--mas-space-4)}
}
@media (prefers-reduced-motion:reduce){
  .ob-spot,.ob-coach,.ob-scrim,.ob-dots i{transition:none}
}

/* ---------- Module activity (activity.js): template download, evidence upload, written answer and criteria ---------- */
.lesson[data-kind=project] .lesson-head{margin-top:var(--mas-space-2)}
.act{display:grid;gap:var(--mas-space-4);max-inline-size:48rem;margin:var(--mas-space-6) 0 var(--mas-space-4);padding:var(--mas-space-6);border-radius:var(--mas-radius-object);background:var(--mas-fill)}
.act h2{font-size:1.25rem}
.act h3{display:flex;align-items:center;gap:var(--mas-space-2);margin:var(--mas-space-2) 0 0;font-size:1rem}
.act-brief,.act-prompt{margin:0;line-height:1.5}
.act-prompt{display:block;color:var(--mas-ink-2)}
.act-block{display:grid;gap:var(--mas-space-3)}
.act-steps{margin:0;padding-inline-start:1.25rem;color:var(--mas-ink-2);line-height:1.6}
.act-file{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--mas-space-3);padding:var(--mas-space-3);border-radius:var(--mas-radius-control);background:var(--mas-surface);color:inherit;text-decoration:none;box-shadow:0 0 0 1px var(--mas-line-soft);transition:box-shadow var(--mas-micro) var(--mas-ease)}
.act-file:hover{box-shadow:0 0 0 1.5px var(--mas-control-border)}
.act-file b{display:block;font-weight:600;overflow-wrap:anywhere}
.act-file small{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.act-file-ic{display:grid;place-items:center;inline-size:2.75rem;block-size:2.75rem;border-radius:var(--mas-radius-control);background:#0F2533;color:var(--mas-brand-bay);font:700 var(--mas-text-micro)/1 var(--mas-font-ui);letter-spacing:.04em}
[data-theme=dark] .act-file-ic{background:var(--mas-brand-bay);color:#0F2533}
.act-dl{display:inline-flex;align-items:center;gap:6px;min-height:2.5rem;padding:0 var(--mas-space-3);border-radius:var(--mas-radius-control);background:var(--mas-fill);font-weight:600}
.act-dl .mas-ic{inline-size:1rem;block-size:1rem}
.act-drop{position:relative;display:grid;justify-items:center;gap:2px;padding:var(--mas-space-6) var(--mas-space-4);border:1.5px dashed var(--mas-control-border);border-radius:var(--mas-radius-object);background:var(--mas-surface);text-align:center;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.act-drop[hidden]{display:none}
.act-drop:hover,.act-drop[data-over=true]{background:var(--mas-selection)}
.act-drop:focus-within{outline:2px solid var(--mas-focus);outline-offset:2px}
.act-drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.act-drop b{font-weight:600;text-decoration:underline;text-underline-offset:3px}
.act-drop span{color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.act-drop small{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.act-got{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:var(--mas-space-3);padding:var(--mas-space-3);border-radius:var(--mas-radius-control);background:var(--mas-selection)}
.act-got b{display:block;font-weight:600;overflow-wrap:anywhere}
.act-got small{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.act-got .mas-link{font-size:var(--mas-text-2);cursor:pointer}
.act-up:empty{display:none}
.act-text{inline-size:100%;min-block-size:8rem;resize:vertical;line-height:1.5}
.act-crit{display:grid;gap:0;margin:0;padding:0;border:0}
.act-crit legend{padding:0;margin-bottom:var(--mas-space-1);font-weight:600}
.act-crit .check{color:var(--mas-ink)}
.act-note{margin:0;color:var(--mas-ink-2);font-size:var(--mas-text-2)}
.act-actions{justify-content:flex-start}
.act-status{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin:0;font-size:var(--mas-text-2)}
.act-status:empty{display:none}
.act-status .mas-ic{inline-size:1rem;block-size:1rem}
.act .proto{margin:0}
@media (max-width:47.5rem){
  .act{padding:var(--mas-space-4)}
  .act-file{grid-template-columns:auto minmax(0,1fr)}
  .act-dl{grid-column:1/-1;justify-content:center}
  .act-got{grid-template-columns:auto minmax(0,1fr)}
  .act-got .mas-link{justify-self:start}
}

/* ---------- Learning paths (paths.js): Learn block, #/paths and the career line of #/path/:id ---------- */
/* Learn (All courses and Home): the featured path rows of its third column */
.lp{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:var(--mas-space-2) var(--mas-space-3);min-height:3.75rem;padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-surface);color:inherit;text-decoration:none}
.lp-ic,.pinc-ic{display:grid;place-items:center;flex:none;inline-size:2.25rem;block-size:2.25rem;border-radius:50%;background:var(--mas-selection);color:var(--mas-ink)}
.lp-b{min-width:0}
.lp-b small{display:block;color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.lp-b b{display:block;font-weight:600;line-height:1.3;overflow-wrap:anywhere}
.lp .prog{grid-column:1/-1}

/* #/paths */
.paths-view{display:grid;gap:var(--mas-space-8)}
.paths-view .page-head{margin-bottom:0}
.pinc{padding:var(--mas-space-6) var(--mas-space-8) var(--mas-space-8);border-radius:var(--mas-radius-overlay);background:var(--mas-surface);box-shadow:0 0 0 1px var(--mas-line-soft)}
.pinc h2{margin-bottom:var(--mas-space-6);font:600 clamp(1.5rem,2.4vw,2rem)/1.2 var(--mas-font-brand);letter-spacing:-.02em}
.pinc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--mas-space-6) var(--mas-space-8)}
.pinc-item{display:grid;grid-template-rows:auto auto 1fr auto;gap:var(--mas-space-2);align-content:start;min-width:0}
.pinc-ic{inline-size:2.5rem;block-size:2.5rem;border-radius:var(--mas-radius-control);background:color-mix(in oklab,#E43742 12%,var(--mas-surface));color:#E43742;margin-bottom:var(--mas-space-2)}
.pinc-item h3{font:600 1.0625rem/1.3 var(--mas-font-brand)}
.pinc-item p{margin:0;color:var(--mas-ink-2);line-height:1.5}
.pinc-link{display:inline-flex;align-items:center;gap:4px;justify-self:start;min-height:2rem;margin-top:var(--mas-space-3);color:var(--mas-ink);font-weight:600;text-decoration:none}
.pinc-link .mas-ic{inline-size:1rem;block-size:1rem;transition:transform var(--mas-micro) var(--mas-ease)}
.pinc-link:hover{text-decoration:underline;text-underline-offset:3px}
.pinc-link:hover .mas-ic{transform:translateX(2px)}

/* Role-based paths: an always-dark Daintree panel with glass cards (like the inspiration banner) */
.roles{padding:var(--mas-space-8) var(--mas-space-6);border-radius:var(--mas-radius-overlay);color:#FBFCFD;
  background:radial-gradient(60% 80% at 0% 0%,#1D4F66 0%,transparent 70%),radial-gradient(50% 70% at 100% 100%,#2F4A45 0%,transparent 70%),#0F2533;box-shadow:0 18px 40px -26px rgba(15,37,51,.55)}
.roles-head{display:grid;justify-items:center;gap:var(--mas-space-2);margin-bottom:var(--mas-space-6);text-align:center}
.roles-head h2{font:600 clamp(1.5rem,2.6vw,2.125rem)/1.2 var(--mas-font-brand);letter-spacing:-.02em;color:#FBFCFD}
.roles-head h2 span{color:#8ED1DA}
.roles-head p{margin:0;color:rgba(251,252,253,.78)}
.roles-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--mas-space-4)}
/* Flip cards of #/paths: one per row across the band, in three zones (path · facts · image; on the back:
   objective · outcomes · time and the way in). .pflip keeps the hover area still while .pflip-in turns on
   its horizontal axis; both faces share one grid cell, so the card is as tall as its longer face.
   Front: translucent like the band; back: opaque Kashmir glow. */
.pflip{perspective:1800px;min-inline-size:0;cursor:pointer}
.pflip-in{display:grid;block-size:100%;transform-style:preserve-3d;transition:transform .7s var(--mas-damped)}
.pflip-face{grid-area:1/1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr) minmax(0,1fr);gap:var(--mas-space-6);min-inline-size:0;padding:var(--mas-space-5);border-radius:var(--mas-radius-object);-webkit-backface-visibility:hidden;backface-visibility:hidden}
.pflip-front{background:rgba(251,252,253,.07);box-shadow:inset 0 0 0 1px rgba(182,227,232,.16)}
.pflip-back{align-items:start;transform:rotateX(180deg);pointer-events:none;background:radial-gradient(60% 120% at 100% 0%,#1D4F66 0%,transparent 70%),color-mix(in oklab,#0F2533 80%,#516F8D);box-shadow:inset 0 0 0 1px #8ED1DA,0 18px 34px -18px rgba(0,0,0,.6)}
.pflip:is(:focus-within,[data-flipped=true]) .pflip-in{transform:rotateX(180deg)}
.pflip:is(:focus-within,[data-flipped=true]) .pflip-back{pointer-events:auto}
.pflip:is(:focus-within,[data-flipped=true]) .pflip-front{pointer-events:none}
@media (hover:hover){
  .pflip:hover .pflip-in{transform:rotateX(180deg)}
  .pflip:hover .pflip-back{pointer-events:auto}
  .pflip:hover .pflip-front{pointer-events:none}
}
/* Front · zone 1: the path */
.pflip-id{display:grid;grid-template-rows:auto auto 1fr auto;gap:var(--mas-space-4);min-inline-size:0}
.pflip .pcard-top{justify-content:flex-start;align-items:center}
.mas-ui .pflip h3{margin:0;font:600 clamp(1.25rem,1.9vw,1.625rem)/1.15 var(--mas-font-brand);letter-spacing:-.015em;color:#FBFCFD;overflow-wrap:anywhere}
.pflip-route{display:grid;gap:var(--mas-space-2)}
.pflip-route small{color:rgba(251,252,253,.72);font-size:var(--mas-text-meta)}
.pflip-track{display:flex;gap:4px;margin:0;padding:0;list-style:none}
.pflip-track li{flex:1;block-size:6px;border-radius:2px;background:rgba(251,252,253,.16)}
.pflip-track li[data-state=done]{background:#8ED1DA}
.pflip-track li[data-state=active]{background:linear-gradient(90deg,#8ED1DA 50%,rgba(251,252,253,.16) 50%)}
.pflip-hint{grid-row:4;display:inline-flex;align-items:center;gap:6px;color:#8ED1DA;font-size:var(--mas-text-meta);font-weight:600}
.pflip-hint .mas-ic{inline-size:1rem;block-size:1rem}
.pflip-hint .on-touch{display:none}
@media (hover:none){ .pflip-hint .on-hover{display:none} .pflip-hint .on-touch{display:inline} }
/* Front · zone 2: the facts that matter */
.pflip-info{display:grid;grid-template-rows:auto auto 1fr;gap:var(--mas-space-4);min-inline-size:0;padding-inline:var(--mas-space-6);border-inline:1px solid rgba(182,227,232,.12)}
.pflip-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--mas-space-3) var(--mas-space-4);margin:0;padding:0;list-style:none;color:rgba(251,252,253,.86);font-size:var(--mas-text-2)}
.pflip-facts li{display:flex;align-items:center;gap:6px;min-inline-size:0}
.pflip-facts .mas-ic{flex:none;inline-size:1rem;block-size:1rem;color:#8ED1DA}
.pflip-facts .bars i{background:rgba(251,252,253,.25)}
.pflip-facts .bars i.on{background:#8ED1DA}
.pflip-next{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:var(--mas-space-3);margin:0;padding:var(--mas-space-2);border-radius:var(--mas-radius-control);background:rgba(251,252,253,.06)}
.pflip-cv{display:block;inline-size:4.5rem;aspect-ratio:16/9;overflow:hidden;border-radius:6px}
.pflip-cv>*{display:block;inline-size:100%;block-size:100%}
.pflip-next small{display:block;color:rgba(251,252,253,.72);font-size:var(--mas-text-meta)}
.pflip-next b{display:block;font-size:var(--mas-text-2);font-weight:600;line-height:1.3;color:#FBFCFD;overflow-wrap:anywhere}
.pflip .prog{align-self:end}
.pflip .prog-bar{background:rgba(251,252,253,.18)}
.pflip .prog-bar i{background:#8ED1DA}
.pflip .prog span{color:rgba(251,252,253,.85)}
.pflip-status{display:inline-flex;align-items:center;gap:4px;align-self:end;color:rgba(251,252,253,.72);font-size:var(--mas-text-2)}
.pflip-status .mas-ic{inline-size:1rem;block-size:1rem}
/* Front · zone 3: the image, with the pixel-stepped corners of the Home mosaic */
.pflip-art{--s:10px;position:relative;min-block-size:11rem;overflow:hidden;background:color-mix(in oklab,#0F2533 70%,#516F8D);
  clip-path:polygon(0 calc(2*var(--s)),var(--s) calc(2*var(--s)),var(--s) var(--s),calc(2*var(--s)) var(--s),calc(2*var(--s)) 0,calc(100% - 2*var(--s)) 0,calc(100% - 2*var(--s)) var(--s),calc(100% - var(--s)) var(--s),calc(100% - var(--s)) calc(2*var(--s)),100% calc(2*var(--s)),100% calc(100% - 2*var(--s)),calc(100% - var(--s)) calc(100% - 2*var(--s)),calc(100% - var(--s)) calc(100% - var(--s)),calc(100% - 2*var(--s)) calc(100% - var(--s)),calc(100% - 2*var(--s)) 100%,calc(2*var(--s)) 100%,calc(2*var(--s)) calc(100% - var(--s)),var(--s) calc(100% - var(--s)),var(--s) calc(100% - 2*var(--s)),0 calc(100% - 2*var(--s)))}
.pflip-art>*{position:absolute;inset:0;display:block;inline-size:100%;block-size:100%;max-inline-size:none;object-fit:cover;transition:transform .6s var(--mas-damped)}
@media (hover:hover){ .pflip:hover .pflip-art>*{transform:scale(1.04)} }
/* Back: objective · outcomes · time and the way in */
.pflip-col{display:grid;align-content:start;gap:var(--mas-space-2);min-inline-size:0}
.pflip-col+.pflip-col{padding-inline-start:var(--mas-space-6);border-inline-start:1px solid rgba(182,227,232,.16)}
.pflip-col>small{color:#8ED1DA;font-size:var(--mas-text-meta);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.mas-ui .pflip .pflip-back-title{font-size:1.125rem}
.pflip-goal{margin:0;color:#FBFCFD;font-size:.9375rem;line-height:1.5}
.pflip-outs{display:grid;gap:var(--mas-space-2);margin:0;padding:0;list-style:none;font-size:var(--mas-text-2);color:rgba(251,252,253,.9)}
.pflip-outs li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px;align-items:start}
.pflip-outs .mas-ic{inline-size:1rem;block-size:1rem;margin-top:1px;color:#8ED1DA}
.pflip-time{display:flex;align-items:center;gap:6px;margin:0;color:#FBFCFD;font-size:.9375rem;font-weight:600}
.pflip-time .mas-ic{flex:none;inline-size:1rem;block-size:1rem;color:#8ED1DA}
.pflip-cta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2) var(--mas-space-4);margin-top:var(--mas-space-3)}
.pflip-cta .mas-link{color:#FBFCFD}
.pflip a:focus-visible{outline:2px solid #B6E3E8;outline-offset:2px}
/* Narrower: the image goes on top across the card; phones stack every zone */
@media (max-width:64rem){
  .pflip-face{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .pflip-art{grid-column:1/-1;grid-row:1;min-block-size:0;aspect-ratio:21/8}
  .pflip-info{padding-inline:var(--mas-space-5) 0;border-inline-end:0}
  .pflip-go{grid-column:1/-1;padding-inline-start:0;border-inline-start:0;padding-top:var(--mas-space-4);border-top:1px solid rgba(182,227,232,.16)}
}
@media (max-width:47.5rem){
  .pflip-face{grid-template-columns:minmax(0,1fr);gap:var(--mas-space-4);padding:var(--mas-space-4)}
  .pflip-info{padding:var(--mas-space-4) 0 0;border:0;border-top:1px solid rgba(182,227,232,.12)}
  .pflip-col+.pflip-col{padding:var(--mas-space-4) 0 0;border:0;border-top:1px solid rgba(182,227,232,.16)}
}
@media (prefers-reduced-motion:reduce){
  .pflip-in,.pflip:hover .pflip-in,.pflip:is(:focus-within,[data-flipped=true]) .pflip-in{transform:none}
  .pflip-face{transition:opacity .2s var(--mas-ease)}
  .pflip-back{transform:none;opacity:0}
  .pflip:is(:hover,:focus-within,[data-flipped=true]) .pflip-back{opacity:1}
  .pflip:is(:hover,:focus-within,[data-flipped=true]) .pflip-front{opacity:0}
  .pflip-art>*{transition:none}
}
.pcard-top{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--mas-space-3)}
.pcard-top small{display:block;color:rgba(251,252,253,.72);font-size:var(--mas-text-meta)}
.pcard-ic{display:grid;place-items:center;flex:none;inline-size:3rem;block-size:3rem;border-radius:50%;background:rgba(182,227,232,.14);color:#B6E3E8}
.pcard-ic .mas-ic{inline-size:1.5rem;block-size:1.5rem}

/* #/path/:id: hero */
.path-view{display:grid;gap:var(--mas-space-8)}
.path-view>.crumb{margin-bottom:calc(-1 * var(--mas-space-6));justify-self:start}
.phero{display:grid;grid-template-columns:minmax(0,1fr) minmax(10rem,15rem);gap:var(--mas-space-6) var(--mas-space-8);align-items:center;padding:var(--mas-space-8);border-radius:var(--mas-radius-overlay);background:var(--mas-selection)}
.phero-text{display:grid;gap:var(--mas-space-3);min-width:0}
.phero .chips-row{display:flex;flex-wrap:wrap;gap:var(--mas-space-2)}
.phero h1{overflow-wrap:anywhere}
.phero .objective{margin:0;max-inline-size:44rem;line-height:1.55}
.phero .meta-line{color:var(--mas-ink)}
.phero .meta-line>span{display:inline-flex;align-items:center;gap:4px}
.phero .meta-line .mas-ic{inline-size:1rem;block-size:1rem;color:var(--mas-ink-2)}
.outcomes{display:grid;gap:4px;margin:0;padding:0;list-style:none}
.outcomes li{display:flex;align-items:flex-start;gap:var(--mas-space-2)}
.outcomes .mas-ic{flex:none;inline-size:1.125rem;block-size:1.125rem;margin-top:2px;color:var(--mas-ink)}
.phero .prog{max-inline-size:28rem}
.phero .prog-bar{background:var(--mas-surface)}
.phero .prog span{color:var(--mas-ink)}
.phero-art{inline-size:100%;block-size:auto}
.pa-line{fill:none;stroke:var(--mas-ink);stroke-width:2;stroke-dasharray:2 6;stroke-linecap:round}
.pa-dot{fill:var(--mas-surface);stroke:var(--mas-ink);stroke-width:2}
.pa-disc{fill:var(--mas-surface);stroke:#E43742;stroke-width:2}
.pa-ic{stroke:var(--mas-ink)}

/* Segmented choices: «I already know» and «hours / day» */
.seg{display:inline-flex;flex-wrap:wrap;gap:2px;padding:3px;border-radius:var(--mas-radius-control);background:var(--mas-fill)}
.seg button{min-height:2rem;min-width:2.5rem;padding:0 var(--mas-space-3);border:0;border-radius:calc(var(--mas-radius-control) - 2px);background:none;color:var(--mas-ink-2);font:inherit;font-size:var(--mas-text-2);font-weight:600;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease),color var(--mas-micro) var(--mas-ease)}
.seg button:hover{color:var(--mas-ink)}
.seg button[aria-checked=true]{background:var(--mas-surface);color:var(--mas-ink);box-shadow:0 1px 3px rgba(15,37,51,.14),0 0 0 1px var(--mas-line-soft)}

/* Career line: one stage per row, the line runs down the middle, courses alternate left and right */
.road-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--mas-space-3) var(--mas-space-6);margin-bottom:var(--mas-space-6)}
.know{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2) var(--mas-space-3)}
.road{--gap:4rem;margin:0;padding:0;list-style:none}
.pstage{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:var(--gap);padding-block-end:var(--mas-space-8)}
.pstage::before{content:"";position:absolute;inset-block:0;inset-inline-start:calc(50% - 1px);inline-size:2px;background:var(--mas-line)}
.pstage[data-state=done]::before{background:var(--mas-ink)}
.pstage[data-state=current]::before{background:linear-gradient(var(--mas-ink) 0 3.5rem,var(--mas-line) 3.5rem)}
.pstage-end{padding-block-end:0}
.pstage-end::before{inset-block-end:auto;block-size:1.25rem}
.mile{position:relative;z-index:1;grid-column:1/-1;justify-self:center;display:flex;align-items:center;gap:var(--mas-space-3);max-inline-size:min(24rem,100%);margin-block-end:var(--mas-space-5);padding:var(--mas-space-2) var(--mas-space-5) var(--mas-space-2) var(--mas-space-2);border-radius:var(--mas-radius-pill);background:var(--mas-surface);box-shadow:0 0 0 1.5px var(--mas-line),0 6px 16px -10px rgba(15,37,51,.35)}
.mile b{display:block;font-weight:600;line-height:1.3}
.mile small{display:block;color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.mile-n{display:grid;place-items:center;flex:none;inline-size:1.75rem;block-size:1.75rem;border-radius:50%;background:var(--mas-fill);color:var(--mas-ink);font-size:var(--mas-text-2);font-weight:700;font-variant-numeric:tabular-nums}
.mile-n .mas-ic{inline-size:1rem;block-size:1rem}
.pstage[data-state=done] .mile{box-shadow:0 0 0 1.5px var(--mas-ink),0 6px 16px -10px rgba(15,37,51,.35)}
.pstage[data-state=done] .mile-n{background:var(--mas-ink);color:var(--mas-surface)}
.pstage[data-state=current] .mile{box-shadow:0 0 0 1.5px #E43742,0 10px 24px -12px rgba(228,55,66,.55)}
.pstage[data-state=current] .mile-n{background:#E43742;color:#FBFCFD}
.mile-end{margin-block-end:0}
.mile-end .mile-n{background:var(--mas-ask)}
.pstage-end[data-state=done] .mile-n{background:#E43742;color:#FBFCFD}
.nodes{display:grid;gap:var(--mas-space-4);align-content:start;min-width:0}
.pstage[data-side=left] .nodes{grid-column:1;justify-items:end}
.pstage[data-side=right] .nodes{grid-column:2;justify-items:start}

/* A course on the line (reference: thumbnail, title, duration, play and open buttons, «More details») */
.node{position:relative;inline-size:min(100%,28rem);display:grid;grid-template-columns:5.5rem minmax(0,1fr) auto;align-items:start;gap:var(--mas-space-3);padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-surface);box-shadow:0 0 0 1px var(--mas-line-soft),0 8px 20px -16px rgba(15,37,51,.4);transition:transform .2s var(--mas-damped),box-shadow var(--mas-micro) var(--mas-ease)}
/* Connector from the card to the line */
.node::after{content:"";position:absolute;inset-block-start:2.25rem;inline-size:calc(var(--gap) / 2);block-size:2px;background:var(--mas-line)}
.pstage[data-side=left] .node::after{inset-inline-start:100%}
.pstage[data-side=right] .node::after{inset-inline-end:100%}
.node[data-state=done]::after{background:var(--mas-ink)}
.node[data-current]{box-shadow:0 0 0 1.5px #E43742,0 16px 34px -16px rgba(228,55,66,.5)}
.node[data-current]::after{background:#E43742}
.node[data-skipped],.node[data-optional]:not([data-state=done]){background:var(--mas-fill)}
.node[data-skipped]{opacity:.72}
.node-cv{display:block;border-radius:var(--mas-radius-control);overflow:hidden}
.node-cv .cover{border-radius:0}
.node-b{display:grid;gap:2px;min-width:0}
.node-b h3{font:600 .9375rem/1.3 var(--mas-font-brand);overflow-wrap:anywhere}
.node-b>small{display:flex;flex-wrap:wrap;align-items:center;gap:4px;color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.node-st{display:flex;flex-wrap:wrap;gap:var(--mas-space-2);margin-block:2px}
.node-b .mas-link{justify-self:start;font-size:var(--mas-text-meta)}
.node-acts{display:flex;gap:6px}
.node-btn{display:grid;place-items:center;inline-size:2rem;block-size:2rem;border-radius:50%;background:var(--mas-fill);color:var(--mas-ink);text-decoration:none;transition:background-color var(--mas-micro) var(--mas-ease)}
.node-btn .mas-ic{inline-size:1rem;block-size:1rem}
.node-btn:hover{background:var(--mas-selection)}
.node-play{background:var(--mas-action);color:var(--mas-action-label)}
.node-play:hover{background:var(--mas-action-hover)}
.node-play .mas-ic{margin-inline-start:2px}
.ribbon{position:absolute;inset-block-start:-.625rem;inset-inline-start:var(--mas-space-3);z-index:1;padding:1px 8px;border-radius:var(--mas-radius-pill);background:#B6E3E8;color:#0F2533;font-size:.6875rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase}
.ribbon.here{background:#E43742;color:#FBFCFD}

/* «How long will it take me to complete?» */
.howlong{display:grid;justify-items:center;gap:var(--mas-space-4);padding:var(--mas-space-8) var(--mas-space-6);border-radius:var(--mas-radius-overlay);background:var(--mas-fill);text-align:center}
.howlong h2{font:600 clamp(1.375rem,2.4vw,1.875rem)/1.2 var(--mas-font-brand);letter-spacing:-.02em}
.howlong h2 span{color:#E43742}
.howlong-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:var(--mas-space-3);color:var(--mas-ink-2);font-weight:500}
.howlong-row .seg{background:var(--mas-surface)}
.howlong-row .seg button[aria-checked=true]{background:var(--mas-ink);color:var(--mas-surface);box-shadow:none}
.howlong-out{margin:0;max-inline-size:36rem;line-height:1.5}
.howlong-out b{font-weight:700}
.howlong .welcome-cta{justify-content:center;margin-top:0}

[data-theme=dark] .pinc-ic{background:var(--mas-selection);color:var(--mas-ink)}
[data-theme=dark] .pa-disc{stroke:var(--mas-brand-bay)}
[data-theme=dark] .howlong h2 span{color:var(--mas-brand-bay)}
@media (hover:hover){
  .lp{transition:transform .2s var(--mas-damped),box-shadow var(--mas-micro) var(--mas-ease)}
  .lp:hover{transform:translateY(-2px);box-shadow:0 0 0 1.5px #E43742,0 16px 34px -16px rgba(228,55,66,.5)}
  .lp:hover .lp-ic{color:#E43742}
  .node:hover{transform:translateY(-2px);box-shadow:0 0 0 1.5px #E43742,0 16px 34px -16px rgba(228,55,66,.5)}
  [data-theme=dark] .lp:hover,[data-theme=dark] .node:hover{box-shadow:0 0 0 1.5px var(--mas-brand-bay),0 16px 34px -18px rgba(0,0,0,.6)}
  [data-theme=dark] .lp:hover .lp-ic{color:inherit}
}
@media (prefers-reduced-motion:reduce){ .lp:hover,.node:hover{transform:none} }
@media (max-width:64rem){
  .phero{grid-template-columns:minmax(0,1fr);padding:var(--mas-space-6)}
  .phero-art{max-inline-size:12rem;order:-1}
  .pinc-grid{grid-template-columns:minmax(0,1fr)}
  /* The line moves to the left edge: milestones sit on it, every course goes to its right */
  .road{--gap:2.75rem}
  .pstage{grid-template-columns:minmax(0,1fr);padding-block-end:var(--mas-space-6)}
  .pstage::before{inset-inline-start:calc(var(--mas-space-2) + .875rem - 1px)}
  .mile{justify-self:start}
  .pstage[data-side] .nodes{grid-column:1;justify-items:stretch;padding-inline-start:var(--gap)}
  .node{inline-size:auto;max-inline-size:36rem}
  .pstage[data-side] .node::after{inset-inline-start:auto;inset-inline-end:100%;inline-size:calc(var(--gap) - var(--mas-space-2) - .875rem)}
}
@media (max-width:47.5rem){
  .pinc{padding:var(--mas-space-5) var(--mas-space-4)}
  .roles{padding:var(--mas-space-6) var(--mas-space-4)}
  .phero{padding:var(--mas-space-5)}
  .phero .welcome-cta .mas-btn-primary,.howlong .welcome-cta .mas-btn-primary{inline-size:100%}
  .node{grid-template-columns:4rem minmax(0,1fr);row-gap:var(--mas-space-2)}
  .node-acts{grid-column:2}
  .howlong{padding:var(--mas-space-6) var(--mas-space-4)}
}

/* ---------- Log-in MAS Academy (#/login) ----------
   Full-screen Daintree stage in both views, without the rail. Photos rest as a cluster around the slogan
   (transform to --dx/--dy at scale --s) and spread to their place with [data-spread=true]. Scoped to
   .login-photos: .lp is also the learning path card of Learn and Home. */
body[data-view=login] :is(.mas-rail,.topbar,.mic-fab,.scrim){display:none}
body[data-view=login] .mas-shell{display:block}
body[data-view=login] .mas-main{padding:0}
.rail-signout{display:grid;place-items:center;flex:none;inline-size:2rem;block-size:2rem;margin-inline-start:auto;border-radius:var(--mas-radius-control);color:var(--mas-brand-bay);transition:background-color var(--mas-micro) var(--mas-ease)}
.rail-signout:hover{background:var(--mas-rail-active)}
.rail-signout .mas-ic{inline-size:1.125rem;block-size:1.125rem}
@media (min-width:47.5001rem){ body[data-rail=collapsed] .rail-signout{display:none} }

.login{position:relative;isolation:isolate;display:grid;place-items:center;min-block-size:100dvh;overflow:hidden;padding:var(--mas-space-12) var(--mas-space-4);background:radial-gradient(ellipse at 50% 42%,color-mix(in oklab,#0F2533 82%,#516F8D) 0,#0F2533 62%);color:#FBFCFD}
.login-photos{position:absolute;inset:0;z-index:0}
.login-photos .lp{position:absolute;margin:0;padding:0;aspect-ratio:var(--ar);overflow:hidden;border-radius:14px;background:color-mix(in oklab,#0F2533 70%,#516F8D);box-shadow:0 18px 40px -22px rgba(0,0,0,.75);
  transform:translate(var(--dx,0),var(--dy,0)) scale(var(--s,.25));transform-origin:50% 50%;opacity:.92;will-change:transform}
.login-stage[data-ready=true] .lp{transition:transform .72s var(--mas-damped) calc(var(--i) * 28ms),opacity .4s var(--mas-ease),box-shadow .4s var(--mas-ease)}
.login-photos .lp img{position:absolute;inset:0;display:block;inline-size:100%;block-size:100%;max-inline-size:none;object-fit:cover;transition:transform .5s var(--mas-ease)}
.login-stage[data-spread=true] .lp{transform:none;opacity:1}
.login-stage[data-spread=true] .lp:hover{box-shadow:0 0 0 2px var(--mas-brand-bay),0 22px 44px -20px rgba(0,0,0,.8)}
.login-stage[data-spread=true] .lp:hover img{transform:scale(1.06)}

.login-center{position:relative;z-index:1;display:grid;justify-items:center;gap:var(--mas-space-4);inline-size:min(100%,30rem);text-align:center}
.login-logo{inline-size:7.5rem;display:block;opacity:.95}
.mas-ui .login-title{margin:var(--mas-space-6) 0;padding:0 var(--mas-space-2);font:700 clamp(2rem,4.4vw,3.5rem)/1.12 var(--mas-font-brand);letter-spacing:-.025em;color:#FBFCFD;text-wrap:balance;text-shadow:0 2px 18px rgba(15,37,51,.85)}
.login-title em{font-style:normal;color:var(--mas-brand-red);white-space:nowrap} /* 3.2:1 on Daintree: large text only */
.login-title:focus{outline:none}
.login-sub{margin:0 0 var(--mas-space-2);color:var(--mas-brand-bay);font-size:1rem}
.login-card{display:grid;gap:var(--mas-space-2);inline-size:min(100%,24rem);padding:var(--mas-space-6);border:1px solid var(--mas-line-soft);border-radius:var(--mas-radius-overlay);background:var(--mas-surface);color:var(--mas-ink);text-align:start;box-shadow:0 24px 60px -24px rgba(0,0,0,.7)}
.mas-ui .login-card h2{margin-bottom:var(--mas-space-2);font-family:var(--mas-font-brand)}
.login-label{font-size:var(--mas-text-2);font-weight:600;color:var(--mas-ink-2)}
.login-card .mas-input{inline-size:100%;color:var(--mas-ink);font:inherit}
.login-card .mas-input[aria-invalid=true]{border-color:var(--mas-critical-text)}
.login-card .mas-btn-primary{inline-size:100%;margin-top:var(--mas-space-2);justify-content:center;min-height:var(--mas-control-height)}
.login-err{margin:0;color:var(--mas-critical-text);font-size:var(--mas-text-2)}
.login-err[hidden]{display:none}
.login-note{margin:var(--mas-space-1) 0 0;color:var(--mas-ink-2);font-size:var(--mas-text-meta);text-align:center}
.login-credit{position:absolute;inset-inline:0;inset-block-end:var(--mas-space-3);z-index:1;margin:0;color:color-mix(in oklab,#FBFCFD 55%,#0F2533);font-size:var(--mas-text-micro);text-align:center;pointer-events:none}
@media (max-width:47.5rem){
  .login{padding-block:9.5rem 8.5rem;align-items:center}
  .mas-ui .login-title{margin:var(--mas-space-3) 0}
  .login-card{padding:var(--mas-space-5)}
  .login-stage[data-spread=true] .login-credit{opacity:0} /* the bottom band of photos covers it on phones */
}
@media (prefers-reduced-motion:reduce){ .login .lp,.login .lp img{transition:none} }

/* ---------- Home (#/home): «Why learn with MAS Academy?» ----------
   A band edge to edge in the main column that follows the view: light (Surface, Bay glow, Daintree text)
   or dark (Daintree, Bay accents); its colours are the --why-* variables of .home-view. .why is tall (one
   step every 60vh of scroll) and .why-stage pins below the top bar; home.js sets data-step, --p (0–1 through the band) and
   --sp (0–1 through the step). Cards: the active one grows (flex-grow) and opens .why-more, the others
   fold to icon + label. Mosaic: five tiles with pixel-stepped corners; each holds one photo per step and
   cross-fades to the step's photo one tile after another; its layout morphs to landscape windows for the
   project screens of «Project success». The MAS Academy logo rests behind it as a watermark. */
body[data-view=home] .mas-main{padding-top:0}
/* Colours of the Home in each view (--why-*: the band and the heading of the banner) */
.home-view{--why-bg:#FBFCFD;--why-glow:color-mix(in oklab,#B6E3E8 42%,#FBFCFD);--why-ink:#0F2533;--why-ink-2:#516F8D;--why-accent:#DF1833;
  --why-eyebrow:#DFF2F5;--why-eyebrow-fg:#0F2533;--why-card:color-mix(in oklab,#0F2533 5%,#FBFCFD);--why-card-line:rgba(15,37,51,.08);
  --why-pill:rgba(15,37,51,.07);--why-pill-fg:#0F2533;--why-lift:0 20px 40px -24px rgba(15,37,51,.45);
  --why-paths:#0F2533;--why-paths-fg:#FBFCFD;--why-paths-pill:rgba(182,227,232,.16);--why-paths-pill-fg:#B6E3E8;
  --why-tile:color-mix(in oklab,#0F2533 9%,#FBFCFD);--why-mosaic-fx:drop-shadow(0 14px 22px rgba(15,37,51,.16));--why-logo-op:.06;--why-px:#516F8D;
  margin-inline:calc(-1 * var(--main-px))}
.why{--stage-h:calc(100dvh - var(--topbar-h,0px) - var(--dock-h,0px));position:relative;block-size:calc(var(--stage-h) + var(--n) * 60vh);background:var(--why-bg);color:var(--why-ink);
  transition:background-color .3s var(--mas-ease),color .3s var(--mas-ease)}
[data-theme=dark] .home-view{--why-bg:#0F2533;--why-glow:color-mix(in oklab,#0F2533 78%,#516F8D);--why-ink:#FBFCFD;--why-ink-2:color-mix(in oklab,#FBFCFD 78%,#0F2533);--why-accent:#B6E3E8;
  --why-eyebrow:rgba(182,227,232,.12);--why-eyebrow-fg:#B6E3E8;--why-card:rgba(182,227,232,.07);--why-card-line:rgba(182,227,232,.12);
  --why-pill:rgba(182,227,232,.14);--why-pill-fg:#B6E3E8;--why-lift:0 20px 40px -24px rgba(0,0,0,.6);
  --why-paths:#FBFCFD;--why-paths-fg:#0F2533;--why-paths-pill:#DFF2F5;--why-paths-pill-fg:#0F2533;
  --why-tile:color-mix(in oklab,#0F2533 70%,#516F8D);--why-mosaic-fx:none;--why-logo-op:.07;--why-px:#B6E3E8}
.why-stage{position:sticky;top:calc(var(--topbar-h,0px) + var(--dock-h,0px));display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);align-content:start;align-items:center;gap:clamp(var(--mas-space-6),4vw,4.5rem);
  block-size:var(--stage-h);min-block-size:34rem;overflow:hidden;padding:var(--mas-space-5) max(var(--main-px),var(--mas-space-6)) var(--mas-space-6); /* content at the top: less space above the band (2026-10-19) */
  background:radial-gradient(ellipse 60% 70% at 78% 50%,var(--why-glow) 0,transparent 70%)}
.why-copy{display:grid;gap:var(--mas-space-5);min-inline-size:0}
.why-eyebrow{justify-self:start;padding:.3125rem .75rem;border-radius:var(--mas-radius-pill);background:var(--why-eyebrow);color:var(--why-eyebrow-fg);font:600 var(--mas-text-meta)/1.2 var(--mas-font-ui);letter-spacing:.06em;text-transform:uppercase}
.mas-ui .why h1{margin:0;font:700 clamp(2rem,3.6vw,3.25rem)/1.08 var(--mas-font-brand);letter-spacing:-.03em;color:var(--why-ink);text-wrap:balance}
.why h1 span{color:var(--why-accent)} /* Red on Surface 4.9:1, Bay on Daintree 11:1 */
.why h1:focus{outline:none}

.why-cards{display:flex;gap:var(--mas-space-3);block-size:clamp(15rem,34vh,17.5rem);margin:0;padding:0;list-style:none}
.why-card{--bg:var(--why-card);--fg:var(--why-ink);--pill:var(--why-pill);--pill-fg:var(--why-pill-fg);
  position:relative;flex:1 1 0;min-inline-size:0;overflow:hidden;border-radius:var(--mas-radius-overlay);background:var(--bg);color:var(--fg);
  box-shadow:inset 0 0 0 1px var(--why-card-line);transition:flex-grow .5s var(--mas-damped),background-color .35s var(--mas-ease),color .35s var(--mas-ease)}
.why-card[data-on=true]{flex-grow:2.7;box-shadow:var(--why-lift)}
.why-card[data-on=true][data-step=practice]{--bg:var(--mas-brand-bay);--fg:#0F2533;--pill:rgba(15,37,51,.12);--pill-fg:#0F2533}
.why-card[data-on=true][data-step=learn]{--bg:var(--mas-brand-red);--fg:#FBFCFD;--pill:rgba(251,252,253,.2);--pill-fg:#FBFCFD}
.why-card[data-on=true][data-step=apply]{--bg:var(--why-paths);--fg:var(--why-paths-fg);--pill:var(--why-paths-pill);--pill-fg:var(--why-paths-pill-fg)}
.why-card[data-on=true][data-step=certify]{--bg:var(--mas-brand-kashmir);--fg:#FBFCFD;--pill:rgba(251,252,253,.18);--pill-fg:#FBFCFD} /* R11: the fourth stage */
.why-pick{position:static;display:block;padding:0;border:0;background:none;color:inherit;font:inherit;cursor:pointer}
.why-pick::after{content:"";position:absolute;inset:0;z-index:0;border-radius:inherit}
.why-pick:focus-visible{outline:none}
.why-pick:focus-visible::after{box-shadow:inset 0 0 0 3px var(--mas-brand-bay),inset 0 0 0 5px #0F2533}
.why-card[data-on=true] .why-pick{cursor:default}
.why-ic{position:absolute;inset-block-start:var(--mas-space-4);inset-inline-end:var(--mas-space-4);display:grid;place-items:center;inline-size:2.5rem;block-size:2.5rem;background:var(--pill);color:var(--pill-fg);
  clip-path:polygon(0 6px,6px 6px,6px 0,calc(100% - 6px) 0,calc(100% - 6px) 6px,100% 6px,100% calc(100% - 6px),calc(100% - 6px) calc(100% - 6px),calc(100% - 6px) 100%,6px 100%,6px calc(100% - 6px),0 calc(100% - 6px))}
.why-ic .mas-ic{inline-size:1.25rem;block-size:1.25rem}
.why-tag{position:absolute;inset-block-end:var(--mas-space-4);inset-inline-start:var(--mas-space-4);max-inline-size:calc(100% - 2rem);padding:.375rem .75rem;border-radius:var(--mas-radius-pill);background:var(--pill);color:var(--pill-fg);font-size:var(--mas-text-2);font-weight:600;line-height:1.25;text-align:start}
.why-more{position:relative;z-index:1;display:grid;align-content:start;gap:var(--mas-space-2);inline-size:max(100%,17rem);padding:var(--mas-space-5) 4rem 3.5rem var(--mas-space-5);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s var(--mas-ease),transform .2s var(--mas-ease),visibility 0s linear .2s;pointer-events:none}
.why-card[data-on=true] .why-more{opacity:1;visibility:visible;transform:none;transition:opacity .35s var(--mas-ease) .22s,transform .45s var(--mas-damped) .22s,visibility 0s;pointer-events:auto}
.mas-ui .why-more h3{margin:0;font:700 clamp(1.25rem,1.7vw,1.5rem)/1.15 var(--mas-font-brand);letter-spacing:-.02em;color:inherit;text-wrap:balance}
.why-more p{margin:0;font-size:var(--mas-text);line-height:1.45;color:inherit;opacity:.88}
.why-chips{display:flex;flex-wrap:wrap;gap:var(--mas-space-1);margin:var(--mas-space-1) 0 0;padding:0;list-style:none}
.why-chips li{padding:.1875rem .5rem;border-radius:.25rem;background:rgba(15,37,51,.22);font:600 var(--mas-text-meta)/1.3 var(--mas-font-ui)}
.why-link{justify-self:start;display:inline-flex;align-items:center;gap:var(--mas-space-1);margin-top:var(--mas-space-1);color:inherit;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.why-link .mas-ic{inline-size:1rem;block-size:1rem}
.why-bar{position:absolute;inset-inline:var(--mas-space-4);inset-block-end:.5rem;block-size:3px;border-radius:var(--mas-radius-pill);background:color-mix(in oklab,currentColor 18%,transparent);opacity:0;transition:opacity .2s}
.why-bar i{display:block;block-size:100%;border-radius:inherit;background:currentColor;transform-origin:0 50%;transform:scaleX(var(--sp,0))}
.why-card[data-on=true] .why-bar{opacity:1}
/* Folded cards: a full-card illustration (home.js ART) under solid pills; it fades out when the card opens.
   --ill-lt*: the light background of tools and paths · --ill-dk*: the Daintree background of success */
.why-card{--ill-lt1:#FBFCFD;--ill-lt2:color-mix(in oklab,#B6E3E8 45%,#FBFCFD);--ill-dk1:color-mix(in oklab,#0F2533 82%,#516F8D);--ill-dk2:#0F2533}
[data-theme=dark] .why-card{--ill-lt1:color-mix(in oklab,#0F2533 70%,#516F8D);--ill-lt2:#0F2533}
.why-art-bg{position:absolute;inset:0;inline-size:100%;block-size:100%;pointer-events:none;transition:opacity .3s var(--mas-ease) .12s}
.why-card[data-on=true] .why-art-bg{opacity:0;transition:opacity .15s var(--mas-ease)}
.why-card:not([data-on=true]) :is(.why-ic,.why-tag){background:#FBFCFD;color:#0F2533;box-shadow:0 2px 8px rgba(15,37,51,.18)}
/* Narrow folded cards: the label spans the card so every label fits in two lines (user request, 2026-10-15) */
@media (min-width:64.001rem){
  .why-card:not([data-on=true]) .why-tag{inset-inline:.5rem;max-inline-size:none;padding:.375rem .5rem;border-radius:var(--mas-radius-object);font-size:var(--mas-text-meta);letter-spacing:-.005em;text-align:center}
}
.why-sum{margin:0;max-inline-size:36rem;color:var(--why-ink-2);font-size:1rem;line-height:1.55}

/* Art: watermark logo + mosaic */
.why-art{position:relative;align-self:stretch;display:grid;place-items:center;min-inline-size:0}
.why-logo{position:absolute;inset:50% auto auto 50%;z-index:0;display:grid;justify-items:end;gap:.5rem;inline-size:min(92%,38rem);translate:-50% -50%;opacity:var(--why-logo-op);pointer-events:none;
  transform:rotate(-8deg) translateY(calc((var(--p,0) - .5) * -40px))}
.why-logo img{inline-size:100%;display:block}
.why-logo .on-dark,[data-theme=dark] .why-logo .on-light{display:none}  /* official artwork per background */
[data-theme=dark] .why-logo .on-dark{display:block}
.why-logo span{font:600 clamp(2rem,4.5vw,4rem)/1 var(--mas-font-brand);letter-spacing:.02em;color:var(--why-ink)}
.why-mosaic{position:relative;z-index:1;filter:var(--why-mosaic-fx);inline-size:min(100%,46rem,calc((var(--stage-h) - 5rem) * 1.28));aspect-ratio:1.28}
.why-tile{--s:clamp(8px,1.1vw,14px);position:absolute;left:var(--x);top:var(--y);inline-size:var(--w);block-size:var(--h);overflow:hidden;background:var(--why-tile);
  clip-path:polygon(0 calc(2*var(--s)),var(--s) calc(2*var(--s)),var(--s) var(--s),calc(2*var(--s)) var(--s),calc(2*var(--s)) 0,calc(100% - 2*var(--s)) 0,calc(100% - 2*var(--s)) var(--s),calc(100% - var(--s)) var(--s),calc(100% - var(--s)) calc(2*var(--s)),100% calc(2*var(--s)),100% calc(100% - 2*var(--s)),calc(100% - var(--s)) calc(100% - 2*var(--s)),calc(100% - var(--s)) calc(100% - var(--s)),calc(100% - 2*var(--s)) calc(100% - var(--s)),calc(100% - 2*var(--s)) 100%,calc(2*var(--s)) 100%,calc(2*var(--s)) calc(100% - var(--s)),var(--s) calc(100% - var(--s)),var(--s) calc(100% - 2*var(--s)),0 calc(100% - 2*var(--s)));
  transform:translateY(calc((var(--p,0) - .5) * var(--drift) * 1px));
  transition:left .7s var(--mas-damped) calc(var(--k) * 45ms),top .7s var(--mas-damped) calc(var(--k) * 45ms),inline-size .7s var(--mas-damped) calc(var(--k) * 45ms),block-size .7s var(--mas-damped) calc(var(--k) * 45ms)}
.why-tile>:is(img,.why-brand){position:absolute;inset:0;display:block;inline-size:100%;block-size:100%;max-inline-size:none;object-fit:cover;opacity:0;transform:scale(1.08);
  transition:opacity .45s var(--mas-ease) calc(var(--k) * 70ms + 80ms),transform .9s var(--mas-damped) calc(var(--k) * 70ms + 80ms)}
.why[data-dir=back] .why-tile>:is(img,.why-brand){transition-delay:calc((4 - var(--k)) * 70ms + 80ms)}
.why-tile>[data-on=true]{opacity:1;transform:none}
/* The MAS Academy logo tile (Learning paths), drawn like the rail brand */
.why-tile>.why-brand{display:grid;align-content:center;justify-items:start;gap:.25rem;padding:0 14%;background:#0F2533;box-shadow:inset 0 0 0 1px rgba(182,227,232,.18)}
.why-brand img{inline-size:100%;display:block}
.why-brand b{font:500 clamp(.75rem,1.3vw,1.125rem)/1 var(--mas-font-brand);color:var(--mas-brand-bay)}
/* Pixel-diamond layout of the sketch (Our learners work with) */
.why-tile:nth-child(1){--x:1%;--y:6%;--w:40%;--h:60%}
.why-tile:nth-child(2){--x:70%;--y:2%;--w:30%;--h:45%}
.why-tile:nth-child(3){--x:44%;--y:18%;--w:23%;--h:80%}
.why-tile:nth-child(4){--x:0%;--y:72%;--w:41%;--h:22%}
.why-tile:nth-child(5){--x:84%;--y:79%;--w:16%;--h:20%}
/* Project success: landscape windows for the project screens, with the project name */
.why[data-step=practice] .why-tile:nth-child(1){--x:0%;--y:4%;--w:56%;--h:37%}
.why[data-step=practice] .why-tile:nth-child(2){--x:60%;--y:0%;--w:40%;--h:27%}
.why[data-step=practice] .why-tile:nth-child(3){--x:38%;--y:50%;--w:52%;--h:34%}
.why[data-step=practice] .why-tile:nth-child(4){--x:2%;--y:50%;--w:32%;--h:22%}
.why[data-step=practice] .why-tile:nth-child(5){--x:66%;--y:30%;--w:30%;--h:18%}
/* Learning paths: landscape windows for the illustrations, the logo in the small one */
.why[data-step=apply] .why-tile:nth-child(1){--x:0%;--y:4%;--w:58%;--h:44%}
.why[data-step=apply] .why-tile:nth-child(2){--x:62%;--y:0%;--w:38%;--h:28%}
.why[data-step=apply] .why-tile:nth-child(3){--x:62%;--y:32%;--w:38%;--h:28%}
.why[data-step=apply] .why-tile:nth-child(4){--x:0%;--y:52%;--w:58%;--h:40%}
.why[data-step=apply] .why-tile:nth-child(5){--x:66%;--y:66%;--w:30%;--h:20%}
.why-cap{position:absolute;inset-inline-start:calc(var(--s) + .5rem);inset-block-end:calc(var(--s) + .375rem);z-index:1;max-inline-size:calc(100% - 2 * var(--s) - 1rem);overflow:hidden;padding:.1875rem .5rem;border-radius:.25rem;background:rgba(15,37,51,.86);color:#FBFCFD;font:600 var(--mas-text-micro)/1.3 var(--mas-font-ui);white-space:nowrap;text-overflow:ellipsis;
  opacity:0;transform:translateY(4px);transition:opacity .2s var(--mas-ease),transform .2s var(--mas-ease)}
.why[data-step=practice] .why-cap{opacity:1;transform:none;transition:opacity .3s var(--mas-ease) calc(var(--k) * 70ms + .45s),transform .3s var(--mas-ease) calc(var(--k) * 70ms + .45s)}
/* Loose pixels around the mosaic */
.why-px{position:absolute;inline-size:var(--d);block-size:var(--d);background:var(--c);transform:translateY(calc((var(--p,0) - .5) * var(--drift) * 1px));transition:left .7s var(--mas-damped),top .7s var(--mas-damped)}
.why-px.a{--d:clamp(12px,1.5vw,20px);--c:var(--mas-brand-red);--drift:-60;left:71%;top:55%}
.why-px.b{--d:clamp(8px,1vw,14px);--c:var(--why-px);--drift:50;left:76%;top:63%;opacity:.8}
.why-px.c{--d:clamp(8px,1vw,14px);--c:var(--why-px);--drift:-30;left:-3%;top:2%;opacity:.6}
.why[data-step=practice] .why-px.a{left:92%;top:88%}
.why[data-step=practice] .why-px.b{left:88%;top:94%}
.why[data-step=apply] .why-px.a{left:98%;top:91%}
.why[data-step=apply] .why-px.b{left:94%;top:96%}

/* Navigation banner under the band: Learn in three columns (.learn-cols, with All courses), on the same
   Fill plate as Learn (it follows the view through the tokens) */
.home-nav{position:relative;display:grid;gap:var(--mas-space-6);margin:0 var(--main-px);padding-top:clamp(var(--mas-space-4),3vh,var(--mas-space-6))} /* closer to the band (user request, 2026-10-15) */
/* Heading in the voice of the band: eyebrow, a large title with its accent and a centred invitation, with two
   loose pixels as in the mosaic */
.home-nav-head{position:relative;display:grid;justify-items:center;gap:var(--mas-space-4);max-inline-size:44rem;margin-inline:auto;text-align:center}
.mas-ui .home-nav-head h2{margin:0;font:700 clamp(2rem,3.6vw,3.25rem)/1.08 var(--mas-font-brand);letter-spacing:-.03em;color:var(--why-ink);text-wrap:balance}
.home-nav-head h2 span{color:var(--why-accent)}
.home-nav-head p{margin:0;max-inline-size:36rem;color:var(--why-ink-2);font-size:1rem;line-height:1.55}
.home-nav-head .why-eyebrow{justify-self:center}
.home-nav-head .why-px{transform:none}
.home-nav-head .why-px.a{left:-2.5rem;top:1.5rem}
.home-nav-head .why-px.b{left:auto;right:-2rem;top:auto;bottom:2.5rem;opacity:1}
.home-nav-plate{padding:var(--mas-space-6);border-radius:var(--mas-radius-overlay);background:var(--mas-fill)}
.mas-ui .home-nav .learn-col h3{margin:0;font:600 1rem/1.3 var(--mas-font-brand)}
/* «Learn» and «Take the tour» (learnbar.js, 2026-10-19): a centred dock that stays under the top bar while the page
   scrolls. The two tabs share one pill, lift on hover and turn Daintree while their panel is open; the panel opens
   over the page with its own scroll */
.learn-dock{position:sticky;inset-block-start:var(--topbar-h,0px);z-index:calc(var(--mas-z-sticky) + 10);display:flex;justify-content:center;margin:calc(-1 * var(--mas-space-6)) calc(-1 * var(--main-px)) var(--mas-space-6);padding:var(--mas-space-3) var(--main-px);background:color-mix(in oklab,var(--mas-surface) 86%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:box-shadow var(--mas-micro) var(--mas-ease)}
body[data-scrolled=true] .learn-dock{box-shadow:0 1px 0 var(--mas-line-soft)}
.learn-dock + .home-view{margin-top:calc(-1 * var(--mas-space-6))}
.learn-bar{display:inline-flex;align-items:center;gap:4px;padding:4px;border-radius:var(--mas-radius-pill);background:var(--mas-fill);box-shadow:inset 0 0 0 1px var(--mas-line-soft)}
.learn-tab{display:inline-flex;align-items:center;gap:var(--mas-space-2);min-block-size:2.5rem;padding:0 var(--mas-space-5);border:0;border-radius:var(--mas-radius-pill);background:transparent;color:var(--mas-ink);font:600 var(--mas-text)/1 var(--mas-font-ui);cursor:pointer;
  transition:background-color var(--mas-micro) var(--mas-ease),color var(--mas-micro) var(--mas-ease),box-shadow var(--mas-micro) var(--mas-ease),transform .2s var(--mas-damped)}
.learn-tab .mas-ic{inline-size:1.125rem;block-size:1.125rem;transition:transform .25s var(--mas-damped)}
.learn-tab:hover{background:var(--mas-surface);box-shadow:0 6px 16px -10px rgba(15,37,51,.5);transform:translateY(-1px)}
.learn-tab:hover>.mas-ic:first-child{transform:scale(1.12) rotate(-6deg)}
.learn-tab:active{transform:scale(.98)}
.learn-tab:focus-visible{outline:2px solid var(--mas-focus);outline-offset:2px}
.learn-tab[aria-expanded=true]{background:var(--mas-ink);color:var(--mas-surface);box-shadow:0 8px 18px -10px rgba(15,37,51,.6)}
.learn-tab .chev{inline-size:1rem;block-size:1rem;opacity:.8}
.learn-tab[aria-expanded=true] .chev{transform:rotate(180deg)}
.learn-panel{position:absolute;inset-block-start:calc(100% - var(--mas-space-1));inset-inline:var(--main-px);z-index:1;max-block-size:calc(100dvh - var(--topbar-h,0px) - var(--dock-h,0px) - var(--mas-space-6));overflow:auto;margin:0;background:var(--mas-surface);box-shadow:0 0 0 1px var(--mas-line-soft),0 24px 48px -24px rgba(15,37,51,.55)}
@media (max-width:47.5rem){ .learn-tab{padding:0 var(--mas-space-4)} }
@media (prefers-reduced-motion:reduce){ .learn-tab,.learn-tab .mas-ic{transition:none} .learn-tab:hover,.learn-tab:hover>.mas-ic:first-child{transform:none} }

/* «Your path starts here» (diagnostic.js, user request 2026-10-19, from the R7 kit): above «Your next step», with
   its heading voice and its Fill plate. The goal is four skill badges and the certificate in one line, the
   stages Learn → Practice → Apply → Certify fill with the course, and the red action sits on the right */
.home-path{position:relative;display:grid;gap:var(--mas-space-6);margin:0 var(--main-px);padding-top:clamp(var(--mas-space-4),3vh,var(--mas-space-6))}
.dg-plate{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,20rem);align-items:center;gap:var(--mas-space-6) var(--mas-space-8)}
.dg-map{display:grid;gap:var(--mas-space-3)}
.dg-goal{display:flex;align-items:center}
.dg-badge{display:grid;flex:none;place-items:center;inline-size:3.25rem;block-size:3.25rem;border-radius:50%;background:var(--mas-fill-strong);color:var(--mas-ink-2)}
.dg-badge .mas-ic{inline-size:1.375rem;block-size:1.375rem}
.dg-badge[data-on=true]{background:var(--mas-ink);color:var(--mas-surface)}
.dg-cert{border-radius:var(--mas-radius-object)}
.dg-link{flex:1;min-inline-size:.75rem;max-inline-size:2.5rem;block-size:2px;background:var(--mas-line)}
.dg-goal-note{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.dg-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--mas-space-2);margin:var(--mas-space-2) 0 0;padding:0;list-style:none}
.dg-track li{display:grid;gap:var(--mas-space-2)}
.dg-seg{display:block;block-size:.375rem;border-radius:var(--mas-radius-pill);background:var(--mas-fill-strong);overflow:hidden}
.dg-track li[data-state=now] .dg-seg{background:var(--mas-brand-bay)}
.dg-seg i{display:block;block-size:100%;border-radius:inherit;background:var(--mas-ink)}
.dg-track b{color:var(--mas-ink-2);font-size:var(--mas-text-2);font-weight:500}
.dg-track li:is([data-state=now],[data-state=done]) b{color:var(--mas-ink);font-weight:650}
.dg-actions{display:grid;justify-items:start;gap:var(--mas-space-3)}
.dg-focus{display:inline-flex;align-items:center;gap:var(--mas-space-2);font-size:var(--mas-text-2)}
.dg-focus .mas-ic{inline-size:1.125rem;block-size:1.125rem}
/* The Better with AI card: on hover a Bay gradient rises over it and it turns over (rotateY) to its back, a Daintree
   to Kashmir gradient with what the course is about, its modules and what you take away. Focus turns it too; a tap
   turns it on touch screens; prefers-reduced-motion cross-fades the faces */
.cflip{grid-column:1/-1;min-inline-size:0;border-radius:var(--mas-radius-object);perspective:1600px;cursor:pointer}
.cflip:focus-visible{outline:2px solid var(--mas-focus);outline-offset:3px}
.cflip-in{display:grid;transform-style:preserve-3d;transition:transform .7s var(--mas-damped)}
.cflip-face{grid-area:1/1;min-inline-size:0;border-radius:var(--mas-radius-object);-webkit-backface-visibility:hidden;backface-visibility:hidden}
.cflip-front{position:relative;display:grid;grid-template-columns:minmax(0,12rem) minmax(0,1fr);align-items:center;gap:var(--mas-space-5);padding:var(--mas-space-4);overflow:hidden;border:1px solid var(--mas-line-soft);background:var(--mas-surface)}
.cflip-front::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 25%,color-mix(in oklab,#B6E3E8 60%,transparent) 100%);opacity:0;transition:opacity .3s var(--mas-ease);pointer-events:none}
.cflip-cv{display:block;aspect-ratio:16/9;overflow:hidden;border-radius:var(--mas-radius-control)}
.cflip-cv>*{display:block;inline-size:100%;block-size:100%}
.cflip-id{display:grid;gap:4px;min-inline-size:0}
.cflip-id>small,.cflip-meta{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.mas-ui .cflip h3{margin:0;font:700 clamp(1.25rem,1.8vw,1.5rem)/1.2 var(--mas-font-brand);letter-spacing:-.015em}
.cflip-sub{margin:0;font-size:var(--mas-text-2)}
.cflip-id .prog{max-inline-size:16rem;margin-top:var(--mas-space-2)}
.cflip-back{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,1.1fr);align-items:start;gap:var(--mas-space-6);padding:var(--mas-space-5);transform:rotateY(180deg);pointer-events:none;color:#FBFCFD;
  background:radial-gradient(60% 120% at 100% 0%,#1D4F66 0%,transparent 70%),linear-gradient(135deg,#0F2533 0%,color-mix(in oklab,#0F2533 62%,#516F8D) 100%);box-shadow:inset 0 0 0 1px rgba(182,227,232,.35),0 18px 34px -18px rgba(15,37,51,.6)}
.cflip-col{display:grid;align-content:start;gap:var(--mas-space-2);min-inline-size:0}
.cflip-col+.cflip-col{padding-inline-start:var(--mas-space-6);border-inline-start:1px solid rgba(182,227,232,.16)}
.cflip-back small,.cflip-back .cflip-meta{color:rgba(251,252,253,.72);font-size:var(--mas-text-meta)}
.cflip-goal{margin:0;font-size:var(--mas-text);line-height:1.5}
.cflip-mods{display:grid;gap:4px;margin:0;padding-inline-start:1.25rem;font-size:var(--mas-text-2)}
.cflip-mods li::marker{color:#8ED1DA;font-weight:700}
.cflip-mods li[data-done=true]{color:#8ED1DA}
.cflip-outs{display:grid;gap:6px;margin:0;padding:0;list-style:none;font-size:var(--mas-text-2)}
.cflip-outs li{display:flex;align-items:flex-start;gap:6px}
.cflip-outs .mas-ic{flex:none;inline-size:1rem;block-size:1rem;margin-top:2px;color:#8ED1DA}
.cflip-go{display:inline-flex;align-items:center;gap:4px;justify-self:start;margin-top:var(--mas-space-2);color:#B6E3E8;font-size:var(--mas-text-2);font-weight:650;text-decoration:underline;text-underline-offset:3px}
.cflip-go .mas-ic{inline-size:1rem;block-size:1rem}
.cflip:is(:focus-within,[data-flipped=true]) .cflip-in{transform:rotateY(180deg)}
.cflip:is(:focus-within,[data-flipped=true]) .cflip-back{pointer-events:auto}
.cflip:is(:focus-within,[data-flipped=true]) .cflip-front{pointer-events:none}
@media (hover:hover){
  .cflip:hover .cflip-front::after{opacity:1}
  .cflip:hover .cflip-in{transform:rotateY(180deg);transition-delay:.12s}
  .cflip:hover .cflip-back{pointer-events:auto}
  .cflip:hover .cflip-front{pointer-events:none}
}
@media (prefers-reduced-motion:reduce){
  .cflip-in{transition:none}
  .cflip-face{transition:opacity .2s linear}
  .cflip-back{transform:none;opacity:0}
  .cflip:is(:hover,:focus-within,[data-flipped=true]) .cflip-in{transform:none}
  .cflip:is(:hover,:focus-within,[data-flipped=true]) .cflip-front{opacity:0}
  .cflip:is(:hover,:focus-within,[data-flipped=true]) .cflip-back{opacity:1}
}
/* The check: the level-check dialog (progress.css .pl-*) with the roles in two columns, the scenario and the tip */
.dg-dlg{inline-size:min(40rem,calc(100% - 2rem))}
.dg-roles{grid-template-columns:repeat(2,minmax(0,1fr))}
.dg-roles legend{grid-column:1/-1}
.dg-stem{margin:0;line-height:1.55}
.mas-ui :is(.dg-why,.dg-tip) h3{display:flex;align-items:center;gap:var(--mas-space-2);margin:0 0 var(--mas-space-2);font:650 var(--mas-text)/1.3 var(--mas-font-ui)}
.dg-why ul{display:grid;gap:var(--mas-space-2);margin:0;padding:0;list-style:none}
.dg-why li{display:grid;gap:2px;font-size:var(--mas-text-2);line-height:1.5}
.dg-why li span{color:var(--mas-ink-2)}
.dg-tip{padding:var(--mas-space-4);border-radius:var(--mas-radius-control);background:var(--mas-ask)}
.dg-tip p{margin:0;line-height:1.55}
@media (max-width:47.5rem){
  .dg-plate,.dg-roles{grid-template-columns:minmax(0,1fr)}
  .dg-badge{inline-size:2.5rem;block-size:2.5rem}
  .cflip-front{grid-template-columns:6.5rem minmax(0,1fr)}
  .cflip-back{grid-template-columns:minmax(0,1fr);gap:var(--mas-space-4)}
  .cflip-col+.cflip-col{padding-inline-start:0;padding-top:var(--mas-space-4);border-inline-start:0;border-top:1px solid rgba(182,227,232,.16)}
}

/* Close button of every modal (util.js closeX, 2026-10-19): top right, over the content; the first line of each
   modal leaves it room */
.dlg-x{position:absolute;inset-block-start:var(--mas-space-3);inset-inline-end:var(--mas-space-3);z-index:2;display:grid;place-items:center;inline-size:2.25rem;block-size:2.25rem;padding:0;border:0;border-radius:50%;background:var(--mas-fill);color:var(--mas-ink);cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease)}
.dlg-x:hover{background:var(--mas-fill-strong)}
.dlg-x .mas-ic{inline-size:1.125rem;block-size:1.125rem}
.quiz,.endcard{position:relative} /* modal dialogs and the tour cards are fixed already */
:is(.pl-dlg,.ob-card,.quiz,.endcard)>.dlg-x+*{padding-inline-end:2.75rem}
.quiz>.dlg-x,.endcard>.dlg-x{background:rgba(251,252,253,.12);color:#FBFCFD}
.quiz>.dlg-x:hover,.endcard>.dlg-x:hover{background:rgba(251,252,253,.22)}

/* MVP (2026-10-19): the courses and paths that aren't open yet stay visible, quiet and not clickable */
.card[data-off],.pflip[data-off],.lp[data-off],.node[data-off]{cursor:default}
.card[data-off] .cover,.pflip[data-off] .pflip-art,.lp[data-off] .lp-ic{filter:grayscale(1);opacity:.55}
.card[data-off] .card-body>:not(.card-status),.pflip[data-off] .pflip-front>:not(.pflip-art){opacity:.72}
.soon-pill{display:inline-flex;align-items:center;gap:4px;padding:1px 10px;border-radius:var(--mas-radius-pill);background:var(--mas-fill-strong);color:var(--mas-ink);font-size:var(--mas-text-meta);font-weight:600;white-space:nowrap}

/* Short windows and narrow screens: the band doesn't pin; the cards switch on click */
@media (max-width:64rem),(max-height:36rem){
  .why{block-size:auto}
  .why-stage{position:relative;top:auto;block-size:auto;min-block-size:0}
}
@media (max-width:64rem){
  .why-stage{grid-template-columns:minmax(0,1fr)}
  .why-art{order:-1}
  .why-mosaic{inline-size:min(100%,34rem)}
  .why-tile,.why-px,.why-logo{transform:none}
  .why-logo{transform:rotate(-8deg)}
}
@media (max-width:47.5rem){
  .home-nav-plate{padding:var(--mas-space-4)}
  .home-nav-head .why-px{display:none}
  .why-cards{flex-direction:column;block-size:auto}
  .why-card{flex:none;min-block-size:4.25rem}
  .why-card[data-on=true]{min-block-size:15rem}
  .why-tag{inset-block-end:auto;inset-block-start:var(--mas-space-4);max-inline-size:calc(100% - 5rem)}
  .why-card[data-on=true] .why-tag{inset-block-start:auto;inset-block-end:var(--mas-space-4)}
  .why-more{inline-size:100%}
  .why-more p{margin-inline-end:-2.75rem}
  .why-card:not([data-on=true]) .why-more{position:absolute}
  .why-bar{display:none}
  .why-art-bg{display:none} /* folded cards are short rows here: nothing empty to fill */
}
@media (prefers-reduced-motion:reduce){
  .why-card,.why-more,.why-tile,.why-tile>:is(img,.why-brand),.why-cap,.why-px{transition:none}
  .why-tile,.why-px{transform:none}
  .why-logo{transform:rotate(-8deg)}
}

/* ---------- Certificates (#/certificates, certs.js) ----------
   Tabs (.mas-tabs), a provider filter (.seg) and cards on the page tokens, so both views follow the switch.
   The badge is a pixel-cornered tile like the Home mosaic, one colour per provider (--c); the cards are
   puzzle pieces (.puzzle, see below); «View certificate» opens a paper-like sheet in a modal <dialog>. */
.certs-view .mas-tabs{flex-wrap:wrap;overflow:visible;margin-bottom:var(--mas-space-5)} /* three tabs: no scroller */
.cert-filter{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2) var(--mas-space-3);margin-bottom:var(--mas-space-5)}
.cert-filter-l{color:var(--mas-ink-2);font-size:var(--mas-text-2);font-weight:600}
.cert-filter .seg b{margin-inline-start:2px;color:var(--mas-ink-2);font-weight:600;font-variant-numeric:tabular-nums}
.cert-group{margin-bottom:var(--mas-space-8)}
.cert-group .sec-head h2{margin:0}
.cert{display:grid;grid-template-rows:auto 1fr auto auto;gap:var(--mas-space-3);min-inline-size:0;padding:var(--mas-space-5)}
/* Puzzle: rows of a 12-column grid with no gaps; each piece paints its body in ::before (with the socket cut
   out by a mask) and its knob in ::after, so the knob of one piece fills the socket of the next. The outline
   comes from drop-shadow, which follows the knob and the socket. Pieces are tinted with their provider
   colour, alternating two strengths; earned ones are the strongest. Hover lifts the piece out. */
.puzzle{--r:17px;display:grid;margin-bottom:var(--mas-space-2);padding-inline-end:var(--r)}
.pz-row{display:grid;grid-template-columns:repeat(12,minmax(0,1fr))}
.pz{--bg:color-mix(in oklab,var(--c) 4%,var(--mas-surface));--edge:rgba(15,37,51,.4);position:relative;z-index:0;grid-column:span var(--w);padding-inline-start:calc(var(--mas-space-5) + 4px);
  filter:drop-shadow(0 0 1px var(--edge)) drop-shadow(0 6px 10px rgba(15,37,51,.07));transition:transform .25s var(--mas-damped),filter .25s var(--mas-ease)}
.pz-row>.pz:nth-child(even){--bg:color-mix(in oklab,var(--c) 13%,var(--mas-surface))}
.pz[data-state=earned]{--bg:color-mix(in oklab,var(--c) 22%,var(--mas-surface))}
[data-theme=dark] .pz{--edge:rgba(182,227,232,.45)}
.pz::before,.pz::after{content:"";position:absolute;z-index:-1;background:var(--bg)}
.pz::before{inset:0;border-radius:6px}
.pz[data-socket=left]::before{-webkit-mask:radial-gradient(circle at 0 50%,#0000 calc(var(--r) + 1px),#000 calc(var(--r) + 1.5px));mask:radial-gradient(circle at 0 50%,#0000 calc(var(--r) + 1px),#000 calc(var(--r) + 1.5px))}
.pz[data-socket=top]::before{-webkit-mask:radial-gradient(circle at var(--sx) 0,#0000 calc(var(--r) + 1px),#000 calc(var(--r) + 1.5px));mask:radial-gradient(circle at var(--sx) 0,#0000 calc(var(--r) + 1px),#000 calc(var(--r) + 1.5px))}
.pz[data-knob=none]::after{display:none}
.pz::after,.pz-down{inline-size:calc(2 * var(--r));block-size:calc(2 * var(--r));border-radius:50%}
.pz[data-knob=right]::after{inset-inline-end:calc(-1 * var(--r));inset-block-start:calc(50% - var(--r))}
/* Between rows: the knob and the socket sit at --sx from the left edge (past the badge), centred in one column */
.pz{--sx:6.75rem}
.puzzle[data-mode=narrow] .pz{--sx:50%}
.pz-down{position:absolute;z-index:-1;inset-block-end:calc(-1 * var(--r));inset-inline-start:calc(var(--sx) - var(--r));background:var(--bg)}
.pz[data-socket=top]{padding-top:calc(var(--mas-space-5) + 6px)}
.pz:is(:hover,:focus-within){z-index:2;filter:drop-shadow(0 0 1.2px var(--edge)) drop-shadow(0 16px 22px rgba(15,37,51,.22))}
@media (hover:hover){ .pz:hover{transform:translateY(-4px) rotate(-.4deg)} }
.cert-top{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:var(--mas-space-3)}
.cert-id small{display:block;color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.mas-ui .cert h3{margin:2px 0 0;font:600 1rem/1.3 var(--mas-font-brand);overflow-wrap:anywhere}
.cert-text{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0;color:var(--mas-ink-2);font-size:var(--mas-text-2);line-height:1.5}
.cert .mas-pill-wait{justify-self:start}
.cert-due{display:block;margin-top:var(--mas-space-1);color:var(--mas-ink-2);font-size:var(--mas-text-2);font-weight:600}
.cert-due[data-late=true]{color:var(--mas-critical-text)}
.cert-id .mas-st{margin-top:var(--mas-space-1)}
.cert-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--mas-space-2) var(--mas-space-3);padding-top:var(--mas-space-3);border-top:1px solid var(--mas-line-soft)}
.cert-foot .prog{flex:1 1 7rem}
.cert-go{display:inline-flex;align-items:center;gap:4px;font-size:var(--mas-text-2);font-weight:600}
.cert-go .mas-ic,.cert-view .mas-ic{inline-size:1rem;block-size:1rem}
.cert-view{min-height:2.25rem;padding-inline:var(--mas-space-3);font-size:var(--mas-text-2)}
/* Provider colours of the badges (category colours, not the providers' brands) */
[data-provider=mas]{--c:#DF1833}
[data-provider=azure]{--c:#2F7FC1}
[data-provider=aws]{--c:#D9822B}
[data-provider=gcp]{--c:#2E9E6B}
[data-provider=cloud]{--c:#7564D1}
.cert-badge{--s:6px;display:grid;place-content:center;justify-items:center;flex:none;inline-size:4rem;block-size:4rem;padding:0 4px;background:var(--c);color:#FBFCFD;text-align:center;
  clip-path:polygon(0 calc(2*var(--s)),var(--s) calc(2*var(--s)),var(--s) var(--s),calc(2*var(--s)) var(--s),calc(2*var(--s)) 0,calc(100% - 2*var(--s)) 0,calc(100% - 2*var(--s)) var(--s),calc(100% - var(--s)) var(--s),calc(100% - var(--s)) calc(2*var(--s)),100% calc(2*var(--s)),100% calc(100% - 2*var(--s)),calc(100% - var(--s)) calc(100% - 2*var(--s)),calc(100% - var(--s)) calc(100% - var(--s)),calc(100% - 2*var(--s)) calc(100% - var(--s)),calc(100% - 2*var(--s)) 100%,calc(2*var(--s)) 100%,calc(2*var(--s)) calc(100% - var(--s)),var(--s) calc(100% - var(--s)),var(--s) calc(100% - 2*var(--s)),0 calc(100% - 2*var(--s)))}
.cert-badge small{font:700 .625rem/1 var(--mas-font-ui);letter-spacing:.08em;opacity:.85}
.cert-badge b{font:700 .8125rem/1.15 var(--mas-font-brand);letter-spacing:-.01em;overflow-wrap:anywhere}
.cert[data-state=new] .cert-badge{filter:saturate(.75)}
.cert-note{display:flex;align-items:center;gap:var(--mas-space-2);margin:0 0 var(--mas-space-4);color:var(--mas-ink-2)}
.cert-note .mas-ic{flex:none;inline-size:1.125rem;block-size:1.125rem}
/* The certificate sheet */
.cert-dlg{inline-size:min(40rem,calc(100% - 2rem));max-block-size:calc(100dvh - 2rem);padding:var(--mas-space-5);border:0;border-radius:var(--mas-radius-overlay);background:var(--mas-surface);color:var(--mas-ink);box-shadow:0 30px 80px -30px rgba(15,37,51,.7)}
.cert-dlg::backdrop{background:rgba(15,37,51,.55);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.cert-dlg[open]{animation:rise .32s var(--mas-damped) both}
.cert-sheet{display:grid;justify-items:center;gap:var(--mas-space-2);padding:var(--mas-space-8) var(--mas-space-6);border-radius:var(--mas-radius-object);background:radial-gradient(70% 60% at 50% 0%,color-mix(in oklab,var(--c) 10%,#FBFCFD),#FBFCFD 70%);color:#0F2533;text-align:center;
  box-shadow:inset 0 0 0 1px rgba(15,37,51,.08),inset 0 0 0 8px #FBFCFD,inset 0 0 0 9px color-mix(in oklab,var(--c) 45%,#FBFCFD)}
.cert-sheet-head{display:flex;align-items:center;justify-content:space-between;justify-self:stretch;margin-bottom:var(--mas-space-4)}
.cert-sheet-brand{display:grid;justify-items:start;gap:2px}
.cert-sheet-brand img{inline-size:7.5rem;display:block}
.cert-sheet-brand span{font:500 .875rem var(--mas-font-brand);color:#516F8D}
.cert-sheet-issuer{font:600 1rem var(--mas-font-brand);color:#0F2533}
.cert-sheet-kind{color:var(--c);font-size:var(--mas-text-meta);font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.cert-sheet p{margin:0;color:#516F8D}
.mas-ui .cert-sheet h2{margin:var(--mas-space-1) 0;font:700 clamp(1.75rem,4vw,2.25rem)/1.1 var(--mas-font-brand);letter-spacing:-.02em;color:#0F2533}
.mas-ui .cert-sheet h3{margin:var(--mas-space-1) 0 0;font:600 1.25rem/1.3 var(--mas-font-brand);color:#0F2533;text-wrap:balance}
.cert-sheet-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--mas-space-2) var(--mas-space-6);margin:var(--mas-space-5) 0 0;padding-top:var(--mas-space-4);border-top:1px solid rgba(15,37,51,.1)}
.cert-sheet-meta dt{color:#516F8D;font-size:var(--mas-text-meta)}
.cert-sheet-meta dd{margin:0;font-weight:600;font-size:var(--mas-text-2)}
.cert-dlg-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:var(--mas-space-2);margin-top:var(--mas-space-4)}
.cert-dlg .proto{margin:var(--mas-space-2) 0 0;text-align:end}
@media (max-width:47.5rem){
  .cert-sheet{padding:var(--mas-space-6) var(--mas-space-4)}
  .cert-dlg-actions .mas-btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){ .cert-dlg[open]{animation:none} .pz{transition:none} .pz:hover{transform:none} }

/* ---------- Completion survey and LinkedIn (feedback.js, 2026-10-21) ----------
   A modal <dialog> on <body> when a course, a path or a certificate is finished: four Yes/No switches
   (.yn, a radiogroup drawn as a switch: no knob until answered) and «Why?». Its last step, and the MAS
   certificate dialog, show the LinkedIn panel (.li-share) and «Did it help you on the way to an official
   certification?» (.tw). Page tokens only, so both themes follow. */
.svy-dlg{inline-size:min(34rem,calc(100% - 2rem));max-block-size:calc(100dvh - 2rem);padding:var(--mas-space-6);border:0;border-radius:var(--mas-radius-overlay);background:var(--mas-surface);color:var(--mas-ink);box-shadow:0 30px 80px -30px rgba(15,37,51,.7)}
.svy-dlg::backdrop{background:rgba(15,37,51,.55);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.svy-dlg[open]{animation:rise .32s var(--mas-damped) both}
.svy-head{display:flex;gap:var(--mas-space-3);align-items:flex-start;padding-inline-end:2.75rem}
.svy-ic{display:grid;place-items:center;flex:none;inline-size:2.75rem;block-size:2.75rem;border-radius:50%;background:var(--mas-ask);color:var(--mas-ink)}
.svy-ic .mas-ic{inline-size:1.375rem;block-size:1.375rem}
.svy-kicker{display:block;color:var(--mas-action);font-size:var(--mas-text-meta);font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.mas-ui .svy-head h2,.mas-ui .svy-thanks h2{margin:2px 0 0;font:700 1.375rem/1.2 var(--mas-font-brand);letter-spacing:-.01em;text-wrap:balance}
.svy-chips{display:flex;flex-wrap:wrap;gap:var(--mas-space-1) var(--mas-space-2);margin:var(--mas-space-2) 0 0}
.svy-chip{display:inline-block;padding:2px 10px 2px 6px;border-radius:var(--mas-radius-pill);background:var(--mas-fill);color:var(--mas-ink-2);font-size:var(--mas-text-meta);line-height:1.5}
.svy-chip .mas-ic{inline-size:.875rem;block-size:.875rem;margin-inline-end:4px;vertical-align:-2px;color:var(--mas-ink)}
.svy-chip b{color:var(--mas-ink);font-weight:600}
.svy-form{display:grid;gap:var(--mas-space-1);margin-top:var(--mas-space-4)}
.svy-lead{margin:0 0 var(--mas-space-2);color:var(--mas-ink-2)}
.svy-q{display:flex;align-items:center;justify-content:space-between;gap:var(--mas-space-4);min-height:3.25rem;padding:var(--mas-space-1) 0;border-bottom:1px solid var(--mas-line-soft)}
.svy-ql{font-weight:600}
.svy-why{display:grid;gap:var(--mas-space-1);padding:var(--mas-space-2) 0 var(--mas-space-3);border-bottom:1px solid var(--mas-line-soft);animation:rise .24s var(--mas-damped) both}
.svy-why[hidden]{display:none}
.svy-why label{color:var(--mas-ink-2);font-size:var(--mas-text-2);font-weight:600}
.svy-why textarea{resize:vertical}
.svy-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:var(--mas-space-2);margin-top:var(--mas-space-4)}
.svy-actions .mas-link{margin-inline-end:auto}
/* The Yes/No switch: a pill track; the answer slides a knob under its half */
.yn{position:relative;display:inline-grid;grid-template-columns:1fr 1fr;flex:none;inline-size:7.5rem;padding:3px;border-radius:var(--mas-radius-pill);background:var(--mas-fill-strong);box-shadow:inset 0 0 0 1px var(--mas-line-soft)}
.yn::before{content:"";position:absolute;inset:3px auto 3px 3px;inline-size:calc(50% - 3px);border-radius:var(--mas-radius-pill);background:var(--mas-ink);opacity:0;transition:transform .22s var(--mas-damped),opacity .16s,background .16s}
.yn[data-v=no]::before{opacity:1;background:var(--mas-ink-2)}
.yn[data-v=yes]::before{opacity:1;transform:translateX(100%);background:var(--mas-ink)}
.yn button{position:relative;z-index:1;min-block-size:2.25rem;padding:0 var(--mas-space-2);border:0;border-radius:var(--mas-radius-pill);background:none;color:var(--mas-ink-2);font-weight:600;cursor:pointer;transition:color .16s}
.yn button:hover{color:var(--mas-ink)}
.yn button[aria-checked=true]{color:var(--mas-surface)}
.yn button:focus-visible{outline:2px solid var(--mas-action);outline-offset:2px}
.svy-thanks{display:grid;justify-items:center;gap:var(--mas-space-2);text-align:center;padding:var(--mas-space-2) var(--mas-space-6) 0}
.svy-thanks p{margin:0;color:var(--mas-ink-2)}
.svy-ask{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2);margin:var(--mas-space-4) 0 0;padding:var(--mas-space-3);border-radius:var(--mas-radius-control);background:var(--mas-ask)}
.svy-ask .mas-ic{flex:none;inline-size:1.125rem;block-size:1.125rem}
.svy-ask .mas-link{color:var(--mas-ink);font-weight:600}
/* LinkedIn panel */
.li-share{display:grid;gap:var(--mas-space-3);margin-top:var(--mas-space-4)}
.li-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-3);padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-fill)}
.li-ic{display:grid;place-items:center;flex:none;inline-size:2.5rem;block-size:2.5rem;border-radius:var(--mas-radius-control);background:#0A66C2;color:#FFF}
.li-ic .mas-ic{inline-size:1.375rem;block-size:1.375rem}
.li-name{display:grid;flex:1 1 12rem;min-width:0}
.li-name small{color:var(--mas-ink-2);font-size:var(--mas-text-meta)}
.li-actions{display:flex;flex-wrap:wrap;gap:var(--mas-space-2)}
.li-actions .mas-btn{text-decoration:none}
/* My certificates: the same links on each earned card, under its foot */
.cert-li{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2) var(--mas-space-4)}
.cert-li .li-ic{inline-size:1.75rem;block-size:1.75rem;border-radius:6px}
.cert-li .li-ic .mas-ic{inline-size:1.125rem;block-size:1.125rem}
.cert-li .mas-link{color:var(--mas-ink);font-weight:600}
.tw{display:grid;gap:var(--mas-space-2);margin:0;padding:var(--mas-space-3);border:1px solid var(--mas-line);border-radius:var(--mas-radius-object)}
.tw legend{padding:0 var(--mas-space-1);font-weight:600}
.tw .muted{margin:0;font-size:var(--mas-text-2)}
.tw-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2)}
.tw-row select{flex:1 1 14rem}
.tw-done{display:flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2);padding:var(--mas-space-3);border-radius:var(--mas-radius-object);background:var(--mas-ask)}
.tw-done .mas-ic{flex:none;inline-size:1.125rem;block-size:1.125rem}
.tw-done>span{flex:1 1 12rem}
.tw-done small{color:var(--mas-ink-2)}
@media (max-width:47.5rem){
  .svy-dlg{padding:var(--mas-space-5) var(--mas-space-4)}
  .svy-q{gap:var(--mas-space-3)}
  .li-actions{flex:1 1 100%}
  .li-actions .mas-btn,.svy-actions .mas-btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){ .svy-dlg[open],.svy-why{animation:none} .yn::before{transition:none} }

/* Navigation tour from Home (onboarding.js, 2026-10-20) */
.ob-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(14rem,100%),1fr));gap:var(--mas-space-2) var(--mas-space-4);margin:0;padding:0;list-style:none;font-size:var(--mas-text-2)}
.ob-list li{display:flex;align-items:center;gap:var(--mas-space-2)}
.ob-list .mas-ic{inline-size:1.1rem;block-size:1.1rem;flex:none;color:var(--mas-brand-bay)}
.ob-auto{font-size:var(--mas-text-meta);color:var(--mas-ink-2)}

/* «I'm interested» on courses and certificates not open yet (interest.js, 2026-10-20) */
.interest-btn{display:inline-flex;align-items:center;gap:6px;min-height:2rem;padding:0 var(--mas-space-3);border:1px solid var(--mas-control-border);border-radius:999px;background:var(--mas-surface);color:var(--mas-ink);font:inherit;font-size:var(--mas-text-meta);font-weight:600;cursor:pointer;transition:background-color var(--mas-micro) var(--mas-ease),border-color var(--mas-micro) var(--mas-ease)}
.interest-btn .mas-ic{inline-size:.95rem;block-size:.95rem}
.interest-btn:hover{border-color:var(--mas-ink)}
.interest-btn[aria-pressed=true]{border-color:transparent;background:var(--mas-brand-bay);color:#0F2533}
.card[data-off] .interest-btn{position:relative;z-index:1}
.cert-soon{display:inline-flex;flex-wrap:wrap;align-items:center;gap:var(--mas-space-2)}
.mas-nav .nav-alert{background:var(--mas-brand-red,#E31B23);color:#fff}
.mas-nav .nav-alert[hidden]{display:none}