:root{color-scheme:dark;--bg:#07111c;--card:#0d1a28;--text:#eef7ff;--muted:#9fb2c6;--line:#1b3145;--accent:#44d8ff;--max:980px}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:radial-gradient(circle at 15% 0%,rgba(68,216,255,.12),transparent 32rem),var(--bg);color:var(--text);line-height:1.65}
a{color:var(--accent);text-decoration:none}.wrap{max-width:var(--max);margin:auto;padding:0 22px}
header{position:sticky;top:0;background:rgba(7,17,28,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;letter-spacing:.06em}.brand img{width:42px;height:42px;border-radius:12px}.navlinks{display:flex;gap:18px;flex-wrap:wrap}
.hero{padding:80px 0 48px}.hero h1{font-size:clamp(42px,7vw,76px);margin:0 0 14px}.hero p{font-size:clamp(18px,2vw,23px);color:var(--muted);max-width:760px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.btn{padding:13px 18px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(135deg,rgba(68,216,255,.16),rgba(108,124,255,.12));color:#fff;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:10px 0 60px}.card,.paper{background:rgba(13,26,40,.8);border:1px solid var(--line);border-radius:18px;padding:24px}.card p{color:var(--muted)}
.doc{padding:48px 0 70px}.paper{padding:clamp(22px,5vw,46px)}.paper h1{font-size:clamp(32px,5vw,50px);margin-top:0}.paper h2{margin-top:34px}.paper p,.paper li{color:#d9e6f1}.meta{color:var(--muted);margin-bottom:28px}
footer{border-top:1px solid rgba(255,255,255,.06);padding:28px 0 40px;color:var(--muted)}
@media(max-width:760px){.grid{grid-template-columns:1fr}}