/* GTM OS releases site design system. Tokens mirror the product theme (theme.module.css). */
:root{
  --ink:#17181b;--paper:#f5f2ec;--card:#ffffff;--off:#efede7;
  --muted:#575961;--faint:#626470;--line:rgba(23,24,27,.14);
  --ember:#f26a43;--ember-d:#c9451f;--ember-soft:#fbdcd1;
  --on-ember:#17181b;
  --ok:#1f7a4f;--gate:#9a520f;
  --stage:#151312;--stage-ink:#f3efe7;
  --radius:22px;--radius-s:12px;
  --shadow:0 14px 40px rgba(23,24,27,.10);
  --sans:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;
  --mono:"DM Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --link:#b03816;--focus:#b03816;
  --max:1120px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ink:#f3efe7;--paper:#161514;--card:#1e1d1b;--off:#242220;
    --muted:#aeaea6;--faint:#9a9b94;--line:rgba(255,255,255,.14);
    --ember-soft:#3a2117;--ok:#6fd0a0;--gate:#eb9450;
    --shadow:0 14px 40px rgba(0,0,0,.5);--link:#ff8f6b;--focus:#ff8f6b;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ink:#f3efe7;--paper:#161514;--card:#1e1d1b;--off:#242220;
  --muted:#aeaea6;--faint:#9a9b94;--line:rgba(255,255,255,.14);
  --ember-soft:#3a2117;--ok:#6fd0a0;--gate:#eb9450;
  --shadow:0 14px 40px rgba(0,0,0,.5);--link:#ff8f6b;--focus:#ff8f6b;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:var(--link);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3{font-family:var(--sans);line-height:1.1;letter-spacing:-.02em;margin:0;font-weight:700}
h1{font-size:clamp(2.3rem,5.6vw,4rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.35rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
p{margin:0}
code,kbd,pre{font-family:var(--mono)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:10px;z-index:100;text-decoration:none;font-weight:600}
.skip:focus{top:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:16px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:1.15rem;letter-spacing:-.02em}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--ember);display:grid;place-items:center;color:var(--on-ember);font:500 .8rem var(--mono)}
.site-nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto;align-items:center}
.site-nav a{color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:999px;font-size:.95rem;font-weight:500}
.site-nav a:hover{background:var(--off)}
.site-nav a[aria-current="page"]{background:var(--ink);color:var(--paper)}
.theme-btn{border:1px solid var(--line);background:var(--card);color:var(--ink);width:40px;height:40px;border-radius:999px;cursor:pointer;display:grid;place-items:center;font-size:1.05rem}
.theme-btn:hover{border-color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;font:600 1rem var(--sans);text-decoration:none;border:2px solid transparent;cursor:pointer;line-height:1.2}
.btn-primary{background:var(--ember);color:var(--on-ember)}
.btn-primary:hover{background:#ff7d58;text-decoration:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);text-decoration:none}
.btn-sm{padding:8px 14px;font-size:.9rem}

/* hero */
.hero{padding:72px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{font:500 .8rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--link);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--link)}
.lede{font-size:1.2rem;color:var(--muted);margin:22px 0 30px;max-width:40em}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.codebox{position:relative;background:var(--stage);color:var(--stage-ink);border-radius:var(--radius-s);padding:16px 64px 16px 18px;font:400 .95rem/1.7 var(--mono);margin:0;overflow-x:auto;white-space:pre}
.codebox .p{color:#f89b7c;user-select:none}
.copy{position:absolute;top:10px;right:10px;border:1px solid rgba(255,255,255,.35);background:transparent;color:#f3efe7;border-radius:8px;padding:5px 10px;font:500 .78rem var(--mono);cursor:pointer}
.copy:hover{background:rgba(255,255,255,.14)}
.copy[data-done]{background:#2fa36b;border-color:#2fa36b;color:#08140d}
.hero .codebox{margin-top:28px;max-width:30em}

/* approval card illustration */
.queue{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.queue-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-weight:600}
.queue-h small{font:500 .72rem var(--mono);color:var(--faint);text-transform:uppercase;letter-spacing:.06em}
.q-item{border:1px solid var(--line);border-radius:var(--radius-s);padding:14px;margin-top:10px;background:var(--paper)}
.q-item b{display:block;font-weight:600;font-size:.98rem}
.q-item span{display:block;color:var(--muted);font-size:.88rem;margin-top:2px}
.q-row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap;align-items:center}
.pill{display:inline-block;font:500 .72rem var(--mono);padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted);letter-spacing:.03em;background:var(--card)}
.pill-ember{background:var(--ember-soft);border-color:transparent;color:var(--ink)}
.pill-ok{color:var(--ok);border-color:currentColor}
.pill-gate{color:var(--gate);border-color:currentColor}

/* sections */
section.block{padding:64px 0}
.block-h{max-width:44em;margin-bottom:34px}
.block-h p{color:var(--muted);margin-top:12px;font-size:1.1rem}
.alt{background:var(--off);border-block:1px solid var(--line)}
.grid{display:grid;gap:18px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.gain{display:flex;flex-direction:column;gap:10px}
.gain .n{font:500 .8rem var(--mono);color:var(--link);letter-spacing:.06em}
.gain p{color:var(--muted);font-size:1rem}
.linkcard{display:block;color:var(--ink);text-decoration:none;transition:transform .15s,border-color .15s}
.linkcard:hover{border-color:var(--ink);transform:translateY(-2px);text-decoration:none}
.linkcard h3{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px}
.linkcard h3::after{content:"\2192";color:var(--link)}
.linkcard p{color:var(--muted);font-size:1rem}
.step-label{font:500 .78rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--faint);margin-bottom:10px}
.card .codebox{margin:10px 0}
.card p.hint{color:var(--muted);font-size:.95rem;margin-top:10px}

/* release card */
.release{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.release ul{margin:14px 0 0;padding-left:1.1em;color:var(--muted)}
.release li{margin:6px 0}
.release dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 18px;font-size:.98rem}
.release dt{color:var(--faint);font:500 .8rem var(--mono);text-transform:uppercase;letter-spacing:.05em;padding-top:3px}
.release dd{margin:0;overflow-wrap:anywhere}
.release dd code{font-size:.88rem}
.big-ver{font:700 clamp(2.4rem,5vw,3.4rem)/1 var(--sans);letter-spacing:-.03em}

/* ladder */
.ladder{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;align-items:end;list-style:none;margin:0;padding:0}
.ladder li{display:block}
.ladder a{display:flex;flex-direction:column;justify-content:flex-end;gap:4px;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:var(--radius-s);padding:14px 14px 16px;border-top:5px solid var(--ember);min-height:calc(88px + var(--i) * 14px);transition:transform .15s,border-color .15s}
.ladder a:hover{border-color:var(--ink);border-top-color:var(--ember);transform:translateY(-2px)}
.ladder .lv{font:700 1.15rem var(--sans);letter-spacing:-.01em}
.ladder .pt{font:500 .72rem var(--mono);color:var(--faint);letter-spacing:.05em;text-transform:uppercase}
.ladder .tt{font-size:.85rem;color:var(--muted);line-height:1.3}
.ladder .ct{font:500 .72rem var(--mono);color:var(--link)}
.ladder-nav{position:sticky;top:64px;z-index:20;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:10px 0}
.ladder-nav .ladder{gap:8px}
.ladder-nav .ladder a{min-height:0;padding:8px 10px;border-top-width:4px}
.ladder-nav .tt,.ladder-nav .pt{display:none}
.ladder-nav .ladder a[aria-current="true"]{background:var(--ink);color:var(--paper)}
.ladder-nav .ladder a[aria-current="true"] .ct{color:var(--paper)}

/* video series */
.page-h{padding:56px 0 28px}
.page-h p{color:var(--muted);margin-top:14px;font-size:1.15rem;max-width:44em}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.start{background:var(--ember-soft);border-radius:var(--radius);padding:28px;margin:8px 0 8px}
:root[data-theme="dark"] .start{background:#2b1b14}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .start{background:#2b1b14}}
.start h2{font-size:1.6rem}
.start>p{color:var(--muted);margin:8px 0 18px}
.path{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;list-style:none;margin:0;padding:0;counter-reset:s}
.path li{border-radius:var(--radius-s);overflow:hidden;background:var(--card);border:1px solid var(--line)}
.path .pcard{position:relative;display:block;color:inherit;text-decoration:none;background:var(--card)}
.path .pic{position:relative;display:block;aspect-ratio:16/9;background:var(--stage);overflow:hidden}
.path .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.path a.pcard:hover .bg,.path a.pcard:focus-visible .bg{transform:scale(1.04)}
.path .shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 70%,rgba(0,0,0,.35) 100%)}
.path .n{display:inline-grid;place-items:center;flex:none;min-width:28px;height:28px;padding:0 8px;border-radius:999px;background:var(--ember);color:var(--on-ember);font:700 .9rem/1 var(--sans)}
.path .txt{display:flex;align-items:center;gap:10px;padding:12px 14px}
.path .txt b{display:block;font-weight:650;font-size:.98rem;line-height:1.25;margin:0;color:var(--ink,inherit)}
.path .txt .m{display:block;margin-top:3px;font:500 .75rem var(--mono);color:var(--faint)}
.path li.soon .pcard{filter:saturate(.6)}
.filters{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;padding:22px 0 4px}
.fgroup{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.fgroup .lab{font:500 .75rem var(--mono);color:var(--faint);text-transform:uppercase;letter-spacing:.06em;margin-right:4px}
.chip{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:6px 14px;font:500 .9rem var(--sans);cursor:pointer}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.part{padding:44px 0 8px}
.part-h{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.part-h .lv{font:500 .8rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--link)}
.part-blurb{color:var(--muted);margin-bottom:20px}
.clips{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.clip{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;position:relative}
.clip.ready:hover{border-color:var(--ink);box-shadow:var(--shadow)}
.clip a.cover{text-decoration:none;color:inherit;display:block}
.clip a.cover:focus-visible{outline-offset:-3px}
.poster{position:relative;aspect-ratio:16/9;background:var(--stage);color:var(--stage-ink);overflow:hidden;display:grid;place-items:center}
.poster::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 85% 110%,rgba(242,106,67,.55),transparent 70%),radial-gradient(40% 60% at 5% -10%,rgba(242,106,67,.18),transparent 70%)}
.poster img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.poster .num{position:relative;font:700 clamp(3rem,7vw,4.4rem)/1 var(--sans);letter-spacing:-.04em;opacity:.95}
.poster .dur{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.72);color:#fff;font:500 .78rem var(--mono);padding:3px 8px;border-radius:7px}
.poster .soon{position:absolute;left:10px;top:10px;background:#f3efe7;color:#17181b;font:500 .72rem var(--mono);padding:3px 9px;border-radius:999px;letter-spacing:.04em;text-transform:uppercase}
.poster .play{position:absolute;inset:0;display:grid;place-items:center}
.poster .play i{width:58px;height:58px;border-radius:50%;background:var(--ember);display:grid;place-items:center;box-shadow:0 6px 24px rgba(0,0,0,.4)}
.poster .play i::after{content:"";border-left:16px solid var(--on-ember);border-block:10px solid transparent;margin-left:4px}
.clip-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.clip-body .no{font:500 .75rem var(--mono);color:var(--faint);letter-spacing:.05em}
.clip-body h3{font-size:1.12rem;line-height:1.2}
.clip-body p{color:var(--muted);font-size:.95rem}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:6px}
.clip:not(.ready) .poster .num{opacity:.6}
.empty{padding:28px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);text-align:center;grid-column:1/-1}
.fallback{padding:20px 0}
.fallback ol{padding-left:1.4em;color:var(--muted)}
.fallback li{margin:8px 0}
.fallback b{color:var(--ink)}

/* watch page */
.crumbs{padding:28px 0 8px;font-size:.95rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
.watch{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:32px;padding:12px 0 56px;align-items:start}
.player{border-radius:var(--radius);overflow:hidden;background:var(--stage);box-shadow:var(--shadow)}
.player video{width:100%;aspect-ratio:16/9;background:#000}
.player-tools{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:10px 14px;background:var(--stage);color:var(--stage-ink);font:500 .8rem var(--mono)}
.player-tools .chip{background:transparent;color:var(--stage-ink);border-color:rgba(255,255,255,.35);padding:4px 11px;font:500 .8rem var(--mono)}
.player-tools .chip:hover{border-color:#fff}
.player-tools .chip[aria-pressed="true"]{background:#f3efe7;color:#17181b;border-color:#f3efe7}
.player-tools .hintk{margin-left:auto;opacity:.85}
.coming{aspect-ratio:16/9;display:grid;place-items:center;text-align:center;padding:24px;position:relative;background:var(--stage);color:var(--stage-ink)}
.coming::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 85% 110%,rgba(242,106,67,.5),transparent 70%)}
.coming>div{position:relative;max-width:26em}
.coming .num{font:700 clamp(3rem,8vw,5rem)/1 var(--sans);letter-spacing:-.04em}
.coming h2{font-size:1.5rem;margin:8px 0}
.coming p{opacity:.9}
.watch h1{font-size:clamp(1.9rem,4vw,2.8rem);margin:18px 0 10px}
.meta{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.outcome{color:var(--muted);font-size:1.15rem}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.panel+.panel{margin-top:18px}
.panel h2{font-size:1.25rem;margin-bottom:6px}
.panel>p{color:var(--muted);font-size:.95rem;margin-bottom:12px}
.prompt{position:relative;background:var(--stage);color:var(--stage-ink);border-radius:var(--radius-s);padding:14px 70px 14px 16px;font:400 .92rem/1.55 var(--mono);margin:10px 0;overflow-wrap:anywhere}
.transcript{max-height:560px;overflow:auto;padding-right:6px}
.transcript p{margin:0 0 10px;font-size:.98rem}
.transcript button.ts{all:unset;cursor:pointer;color:var(--link);font:500 .8rem var(--mono);margin-right:8px;text-decoration:underline;text-underline-offset:3px}
.transcript button.ts:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.transcript pre{white-space:pre-wrap;font:400 .95rem/1.6 var(--sans);margin:0}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:0 0 64px}
.pager a{display:block;border:1px solid var(--line);background:var(--card);border-radius:var(--radius-s);padding:16px 18px;text-decoration:none;color:var(--ink)}
.pager a:hover{border-color:var(--ink)}
.pager small{display:block;font:500 .75rem var(--mono);color:var(--faint);text-transform:uppercase;letter-spacing:.06em}
.pager a:last-child{text-align:right}
.pager .off{opacity:.45;pointer-events:none}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:36px 0 48px;color:var(--muted);font-size:.95rem}
.site-footer .wrap{display:flex;gap:18px 28px;flex-wrap:wrap;justify-content:space-between}
.site-footer a{color:var(--muted)}
.site-footer ul{display:flex;gap:18px;flex-wrap:wrap;list-style:none;margin:0;padding:0}

@media (max-width:980px){
  .hero-grid,.release,.watch{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .clips{grid-template-columns:repeat(2,1fr)}
  .ladder{grid-template-columns:repeat(3,1fr)}
  .path{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:620px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .hero{padding:44px 0 36px}
  section.block{padding:44px 0}
  .g4,.g3,.g2,.clips,.pager{grid-template-columns:1fr}
  .ladder{grid-template-columns:repeat(2,1fr)}
  .ladder-nav .ladder{grid-template-columns:repeat(3,1fr)}
  .path{grid-template-columns:1fr}
  .site-nav{margin-left:0;width:100%;order:3}
  .theme-btn{margin-left:auto}
  .site-header .wrap{gap:8px}
  .card{padding:20px}
  .hintk{display:none}
  .ladder-nav{top:0;position:static}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .linkcard:hover,.ladder a:hover{transform:none}
}
[hidden]{display:none!important}
.hero-grid>*,.release>*,.grid>*,.watch>*,.clips>*{min-width:0}
@media (max-width:620px){.codebox{padding:14px 16px 52px}.copy{top:auto;bottom:10px}.watch h1{margin-top:22px}}

/* long-form pages (release notes) */
.prose{max-width:46em;padding-bottom:64px}
.prose h2{margin:44px 0 14px;font-size:clamp(1.5rem,3vw,2rem)}
.prose h3{margin:30px 0 10px}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:1.3em}
.prose li{margin:7px 0}
.prose li>p:first-child{margin-top:8px}
.prose li>pre,.prose li>p{margin-top:10px}
.prose :not(pre)>code{background:var(--off);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.88em;overflow-wrap:anywhere}
.prose .codebox{margin:12px 0 16px}
.prose strong{font-weight:600}

.note-first{margin-top:12px;font-size:1rem;color:var(--ink)!important;max-width:44em}