:root{--ink:#14213D;--text:#1d2433;--muted:#5b6475;--bg:#fbfaf6;--card:#fff;--line:#e3e0d6;--accent:#E8492A;--yellow:#FFD23F;--ok:#15803d;--warn:#b45309;--err:#b42318;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:#1f4fbf}
img,video{max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:520px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.top{background:var(--ink);color:#fff}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap}
.top a{color:#fff;text-decoration:none}
.brand{font-weight:800;font-size:19px}
.tag{font-size:12px;font-weight:700;background:var(--yellow);color:var(--ink);border-radius:99px;padding:2px 8px;vertical-align:middle;margin-left:4px}
nav{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
nav a{opacity:.9}nav a:hover{opacity:1;text-decoration:underline}
.hero{padding:56px 0 40px;background:linear-gradient(180deg,#fff7d6,var(--bg))}
.eyebrow{font-weight:700;color:var(--accent);text-transform:uppercase;font-size:13px;letter-spacing:.06em;margin:0 0 8px}
h1{font-size:clamp(30px,5.2vw,52px);line-height:1.1;margin:0 0 16px;color:var(--ink);letter-spacing:-.01em}
h2{font-size:clamp(23px,3vw,30px);line-height:1.2;color:var(--ink);margin:0 0 12px}
h3{font-size:19px;margin:0 0 6px;color:var(--ink)}
.lede{font-size:clamp(18px,2.2vw,21px);max-width:720px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-block;background:var(--ink);color:#fff;border:2px solid var(--ink);border-radius:999px;padding:11px 22px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}
.btn:hover{background:#0b1430}
.btn.ghost{background:transparent;color:var(--ink)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid #2563eb;outline-offset:2px}
section{padding:44px 0}
.band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.examples{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px}
.ex img{display:block;border-radius:var(--radius);border:1px solid var(--line);aspect-ratio:9/16;object-fit:cover;width:100%}
.ex-link{text-decoration:none;color:var(--ink)}
.ex-title{display:block;font-weight:800;font-size:19px;margin-top:10px}
.meta{color:var(--muted);font-size:15px}
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;counter-increment:s}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--yellow);font-weight:800;margin-bottom:8px}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;align-items:start}
.ticks{padding-left:20px}.ticks li{margin:6px 0}.muted{color:var(--muted)}
.qa{border-top:1px solid var(--line);padding:16px 0}
.prose{max-width:760px;padding-top:40px;padding-bottom:40px}
.foot{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:15px;margin-top:40px}
.watch{padding:40px 0}
.player video{border-radius:var(--radius);background:#000;width:100%;max-width:360px;aspect-ratio:9/16;display:block}
.watch .player video{max-width:420px}
/* studio */
.app main{padding:28px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:0 0 22px}
label{display:block;font-weight:600;margin:12px 0 4px}
.hint{font-weight:400;color:var(--muted);font-size:14px}
input,textarea,select{width:100%;font:inherit;padding:9px 11px;border:1px solid #c9c5b8;border-radius:10px;background:#fff;color:var(--text)}
textarea{resize:vertical}
fieldset{border:1px solid var(--line);border-radius:10px;margin:14px 0;padding:10px 14px}
fieldset[disabled]{opacity:.6}
legend{font-weight:700;padding:0 6px}
.choice{display:inline-flex;gap:6px;align-items:center;font-weight:500;margin-right:16px}
.choice input{width:auto}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0 10px}
.scene{background:#fcfbf7}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.jobs{list-style:none;padding:0}.jobs li{padding:10px 0;border-bottom:1px solid var(--line)}
.badge{display:inline-block;font-size:13px;font-weight:700;border-radius:99px;padding:2px 10px;background:#eee;color:#333}
.s-ready{background:#dcfce7;color:#14532d}.s-draft{background:#e0ecff;color:#1e3a8a}.s-generation_failed,.s-render_failed{background:#fee2e2;color:#7f1d1d}
.s-queued,.s-generating,.s-rendering{background:#fef3c7;color:#78350f}
.c-well-established{background:#dcfce7;color:#14532d}.c-simplified{background:#fef3c7;color:#78350f}.c-uncertain{background:#fee2e2;color:#7f1d1d}
.claims li{margin:8px 0}
.error{color:var(--err);font-weight:600}
.notice{background:#fff7d6;border:1px solid #f1d78a;border-radius:10px;padding:10px 14px}
.downloads{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.inline{display:inline}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.linkish{background:none;border:0;color:inherit;text-decoration:underline;font:inherit;cursor:pointer;padding:0}
.danger{margin-top:12px}.danger .linkish{color:var(--err)}
@media (max-width:600px){section{padding:32px 0}.hero{padding:36px 0 28px}}