:root{color-scheme:dark;--bg:#08131c;--panel:#102330;--text:#ecf4f7;--muted:#adc0cb;--accent:#36d4bd}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.7 system-ui,sans-serif}a{color:var(--accent);text-underline-offset:4px}header,main,footer{max-width:960px;margin:auto;padding:28px}header{display:flex;justify-content:space-between;gap:24px;border-bottom:1px solid #29414f;flex-wrap:wrap}header a{text-decoration:none}nav{display:flex;gap:24px;flex-wrap:wrap}.brand{font-weight:750;color:var(--text)}main{padding-top:64px;padding-bottom:64px}h1{font-size:clamp(2rem,5vw,3.8rem);line-height:1.12;letter-spacing:-.035em;margin:16px 0 28px}h2{font-size:1.4rem;line-height:1.3;margin-top:36px}.eyebrow{color:var(--accent);font-size:.9rem;font-weight:650}.lead{font-size:1.22rem;color:var(--muted);max-width:760px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:36px 0}.card{background:var(--panel);padding:24px;border:1px solid #29414f;border-radius:12px}.card h2{margin:0 0 12px}.card p{margin:0;color:var(--muted)}.notice{border-left:3px solid var(--accent);padding:16px 24px;background:var(--panel)}article{max-width:760px}footer{border-top:1px solid #29414f;color:var(--muted);font-size:.9rem}li{margin:8px 0}code{overflow-wrap:anywhere;font-size:.9em}@media(max-width:700px){.grid{grid-template-columns:1fr}header,main,footer{padding:22px}main{padding-top:36px}}a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}