:root{--ink:#0f1115;--muted:#5b6170;--line:#e6e8ee;--bg:#ffffff;--soft:#f6f7fa;--accent:#ff3d5a}
*{box-sizing:border-box}html,body{margin:0}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:2}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.logo span{color:var(--accent)}
.nav nav a{color:var(--muted);text-decoration:none;margin-left:20px;font-size:14px}
.nav nav a:hover{color:var(--ink)}
.hero{padding-top:88px;padding-bottom:64px}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
h1{font-size:44px;line-height:1.1;letter-spacing:-.03em;margin:12px 0 18px}
.lead{font-size:19px;color:var(--muted);max-width:620px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-top:8px;padding-bottom:72px}
.card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin:0 0 6px;font-size:16px}.card p{margin:0;color:var(--muted);font-size:14px}
.doc{padding-top:56px;padding-bottom:72px}
.doc h1{font-size:36px}
.doc h2{font-size:20px;margin:36px 0 8px}
.doc p,.doc li{color:#2a2f3a;font-size:16px}
.updated{color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{color:var(--muted);text-decoration:none;margin-right:16px}
a.mail{color:var(--accent)}
@media(max-width:720px){h1{font-size:32px}.grid{grid-template-columns:1fr}.hero{padding-top:56px;padding-bottom:40px}.nav nav a{margin-left:12px}}