:root{color-scheme:dark;--bg:#0b1020;--card:#121a33;--line:rgba(255,255,255,.10);--text:#e7eaf3;--muted:rgba(231,234,243,.7);--accent:#4f9cff;--accent-soft:#a2ccff;--shadow:0 18px 60px rgba(0,0,0,.28);--max:1100px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}a{color:var(--accent-soft)}a:hover{text-decoration:underline}a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}p{margin:0 0 14px}h1,h2,h3{line-height:1.3}h1{font-size:clamp(2.1rem,5vw,3rem);margin:0 0 14px}h2{font-size:1.18rem;margin:0 0 14px}h3{font-size:1rem;margin:0 0 8px}ul{padding-left:23px;margin:0 0 16px}li{margin-bottom:6px}strong{color:var(--text)}code{font:13px ui-monospace,Consolas,monospace;background:rgba(255,255,255,.07);border-radius:4px;padding:2px 5px;overflow-wrap:anywhere}
.skip{position:absolute;top:-100px;left:12px;background:#fff;color:#111;padding:10px;z-index:99}.skip:focus{top:12px}
.shell{max-width:var(--max);padding:0 28px;margin:0 auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(11,16,32,.88);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.topbar .shell{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:18px}.brand{font-weight:900;letter-spacing:.2px;text-decoration:none;color:var(--text);font-size:1.12rem}.brand span{color:var(--accent)}.brand:hover{text-decoration:none;color:var(--accent)}
.topnav{display:flex;flex-wrap:wrap;align-items:center;gap:7px;background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:999px;padding:5px}.topnav a{color:var(--muted);font-size:13px;font-weight:800;text-decoration:none;border-radius:999px;padding:8px 12px}.topnav a:hover{background:rgba(255,255,255,.08);color:var(--text);text-decoration:none}.topnav a[aria-current=page]{background:var(--accent);color:#081022}
.home{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:470px;padding:80px 26px 42px}.home-label{color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.16em;margin-bottom:10px}.home-brand{font-weight:900;font-size:clamp(3.1rem,8vw,4.3rem);line-height:1.1;letter-spacing:1px;color:var(--accent);margin:0 0 16px}.home-lede{max-width:610px;font-size:1.14rem;color:var(--muted);line-height:1.7;margin-bottom:25px}.actions{display:flex;justify-content:center;flex-wrap:wrap;gap:11px;margin:15px 0}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#081022;text-decoration:none;font-weight:900;padding:11px 19px;border-radius:13px;border:1px solid transparent;transition:transform .14s,box-shadow .14s}.button:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(79,156,255,.25);text-decoration:none;color:#081022}.button.secondary{background:rgba(255,255,255,.08);border-color:var(--line);color:var(--text)}.button.secondary:hover{color:#fff;background:rgba(255,255,255,.12)}.small{font-size:12px;color:var(--muted)}
.content-section{padding:24px 0 76px}.section-title{font-size:1.35rem;margin-bottom:10px}.section-intro{color:var(--muted);max-width:730px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px}.card{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:25px}.card p{color:var(--muted);font-size:14px}.card .icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(79,156,255,.12);color:var(--accent-soft);font-size:14px;font-weight:900;margin-bottom:15px}
.banner{border:1px solid rgba(79,156,255,.35);background:rgba(79,156,255,.09);border-radius:14px;padding:18px 21px;color:var(--muted);margin-top:22px}.banner strong{color:var(--accent-soft)}
.pagehead{text-align:center;padding:48px 0 20px}.pagehead .eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);font-weight:900}.pagehead h1{font-size:clamp(1.6rem,4vw,2.1rem);color:var(--accent);font-weight:900;letter-spacing:.4px;margin:9px 0 8px}.pagehead p{font-size:13px;color:var(--muted);margin:0 auto;max-width:750px}
.document{width:100%;max-width:820px;padding-bottom:72px}.document article{padding:8px 0 14px}.document section{margin-top:30px}.document h2{font-size:13px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--line);padding:0 0 9px;margin:0 0 15px;color:var(--accent)}.document p,.document li{font-size:15px;color:var(--muted);line-height:1.76}.document strong{color:var(--text)}.document a{text-underline-offset:2px;text-decoration:none}.document a:hover{text-decoration:underline}.document .infoblock{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:17px 21px;margin:13px 0}.document .infoblock p{margin:0}.document .back{display:inline-flex;align-items:center;padding:10px 18px;margin-top:36px;border-radius:12px;background:var(--card);border:1px solid var(--line);font-weight:800;color:var(--text);font-size:14px;text-decoration:none}.document .back:hover{background:rgba(79,156,255,.10)}
.footer{border-top:1px solid var(--line);background:rgba(7,10,20,.6);padding:20px 28px 27px;text-align:center}.footerlinks{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:center;margin-bottom:9px}.footer a{color:var(--muted);font-size:13px;text-decoration:none}.footer a:hover{color:var(--accent);text-decoration:underline}.footer p{font-size:12px;color:var(--muted);margin:0}
@media(max-width:760px){.topbar .shell{flex-direction:column;align-items:stretch;gap:10px;padding-top:13px;padding-bottom:13px}.topnav{border-radius:14px;justify-content:center}.topnav a{font-size:12px;padding:7px 9px}.cards{grid-template-columns:1fr}.shell{padding:0 18px}.home{min-height:420px;padding:65px 18px 36px}.pagehead{padding-top:32px}.document{padding-bottom:45px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}