:root{--bg: #07080d;--card: #10131b;--line: rgba(255,255,255,.08);--text: #f4f5f7;--muted: #9aa0ad;--faint: #6e7582;--accent: #7c6bff;--paper: #f4f1ea;--ink: #16181d;--sans: "Plus Jakarta Sans", "Segoe UI", sans-serif;--mono: "IBM Plex Mono", ui-monospace, monospace;--max: 980px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.55}a{color:inherit}:focus-visible{outline:2px solid #c4b8ff;outline-offset:3px}.skip{position:absolute;left:12px;top:-40px;background:#fff;color:#000;padding:8px 12px}.skip:focus{top:12px}.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}.nav{position:sticky;top:0;z-index:20;background:#07080de0;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-inner{width:min(1120px,calc(100% - 40px));margin:0 auto;min-height:64px;display:flex;align-items:center;gap:18px}.brand{font-weight:700;letter-spacing:-.04em;text-decoration:none}.nav-links{display:flex;gap:14px;flex:1;flex-wrap:wrap}.nav-links a{color:var(--muted);text-decoration:none;font-size:13px}.nav-links a:hover{color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--accent);color:#fff;text-decoration:none;border-radius:999px;padding:11px 16px;font-weight:650;font-size:14px}.btn:hover{background:#6a58f5}.hero,.section{scroll-margin-top:80px}.hero{padding:72px 0 20px}.kicker{margin:0 0 12px;color:#c4b8ff;font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:650}h1{margin:0 0 16px;font-size:clamp(48px,7vw,76px);line-height:.98;letter-spacing:-.055em}.lede{margin:0 0 24px;max-width:36rem;color:var(--muted);font-size:18px}.section{padding:56px 0 8px}h2{margin:0 0 16px;font-size:clamp(28px,3vw,36px);letter-spacing:-.04em}.frame{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#0c1220}.chrome{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#121a2e;border-bottom:1px solid rgba(255,255,255,.06);font-size:13px}.modes{margin-left:auto;display:flex;background:#0b1020;border-radius:999px;padding:3px}.modes span{color:var(--faint);padding:4px 10px;border-radius:999px;font-size:12px}.modes .on{background:#2a3358;color:#fff}.split{display:grid;grid-template-columns:1fr 1fr}.pane{padding:22px 24px 28px;min-height:180px}.src{color:#d5dced;font-family:var(--mono);font-size:14px;line-height:1.7;white-space:pre-wrap}.src b{color:#9aa8ff;font-weight:500}.prev{background:var(--paper);color:var(--ink)}.prev .doc-title{margin:0 0 8px;font-size:28px;letter-spacing:-.04em;font-weight:700}.prev p{margin:0 0 8px}.formula{font-family:Georgia,serif;font-style:italic;font-size:26px}.gone{color:#8b8175;font-size:14px}.note{margin:14px 0 0;color:var(--muted);max-width:40rem}.note+.note{margin-top:6px}.limits{border-top:1px solid var(--line)}.limit{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}.limit p{margin:0;color:var(--muted)}.faq details{border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:8px;background:var(--card)}.faq summary{cursor:pointer;font-weight:650}.faq p{margin:10px 0 0;color:var(--muted)}.cta{margin:28px 0 10px;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px;border-radius:18px;border:1px solid var(--line);background:#12141c}.cta h2{margin:0 0 6px}.cta p{margin:0;color:var(--muted)}.cta .btn{background:#fff;color:#111}footer{padding:28px 0 48px;color:var(--faint);font-size:14px}footer a{color:inherit}.video-box,.file-box{padding:28px}.video-box strong,.file-box strong{display:block;margin-bottom:8px}.file-row{display:flex;gap:12px}.file{flex:1;background:#0b1020;border-radius:12px;padding:16px}.ext{font-family:var(--mono);font-size:12px;color:#111;background:var(--paper);border-radius:6px;padding:2px 6px}@media(max-width:800px){.split,.limit,.cta,.file-row{grid-template-columns:1fr;display:grid}.nav-links{display:none}.pane{min-height:0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}