:root{color-scheme:dark;--bg:#090b11;--panel:#141925;--text:#f7f8fb;--muted:#a8b0c2;--accent:#795cff;--accent-2:#27d8b4;--border:#2a3245}*{box-sizing:border-box}body{margin:0;min-height:100vh;font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:radial-gradient(circle at 75% 10%,rgba(121,92,255,.22),transparent 34rem),radial-gradient(circle at 10% 80%,rgba(39,216,180,.12),transparent 28rem),var(--bg)}a{color:inherit}.shell{width:min(1080px,calc(100% - 40px));margin:0 auto}header{display:flex;align-items:center;justify-content:space-between;min-height:84px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.02em;text-decoration:none}.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--accent),#9d52ff);box-shadow:0 10px 30px rgba(121,92,255,.35)}.mark::after{content:"S";font-size:21px}nav{display:flex;gap:22px}nav a{color:var(--muted);text-decoration:none}nav a:hover{color:var(--text)}main{padding:72px 0 88px}.hero{max-width:760px;padding:54px 0 72px}.eyebrow{color:var(--accent-2);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem}h1{margin:14px 0 20px;font-size:clamp(2.6rem,7vw,5.4rem);line-height:.98;letter-spacing:-.055em}.lead{max-width:690px;color:var(--muted);font-size:1.2rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:25px;border:1px solid var(--border);border-radius:18px;background:linear-gradient(155deg,rgba(27,33,48,.92),rgba(20,25,37,.72))}.card strong{display:block;margin-bottom:8px;font-size:1.05rem}.card p{margin:0;color:var(--muted)}.document{max-width:820px}.document h1{font-size:clamp(2.4rem,6vw,4rem)}.document h2{margin-top:40px;font-size:1.35rem}.document p,.document li{color:var(--muted)}.updated{color:var(--accent-2);font-weight:650}footer{padding:30px 0 50px;border-top:1px solid var(--border);color:var(--muted)}.footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:18px}@media(max-width:720px){header{align-items:flex-start;padding:22px 0;gap:18px}nav{flex-direction:column;gap:4px;text-align:right}main{padding-top:40px}.hero{padding-top:28px}.grid{grid-template-columns:1fr}}