:root{--navy:#0F2A44;--blue:#1D6FD8;--sky:#5FA8FF;--ink:#14212E;--muted:#4A5868;--bg:#F5F8FB;--line:#DCE4EE}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6}
h1,h2,h3{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.2;margin:0 0 .5em}
a{color:var(--blue)}a:hover{color:var(--navy)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header.site{background:var(--navy)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px;flex-wrap:wrap}
header.site img{height:64px;width:auto;display:block}
header.site nav{display:flex;gap:22px;flex-wrap:wrap}
header.site nav a{color:#D6E2F0;text-decoration:none;font-weight:600;font-size:15px}
header.site nav a:hover{color:#fff}
.hero{background:var(--navy);color:#fff;padding:72px 0 88px}
.hero h1{font-size:clamp(32px,5vw,52px);max-width:760px}
.hero p{font-size:19px;color:#C9D7E8;max-width:640px;margin:0 0 28px}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;padding:14px 24px;border-radius:10px}
.btn:hover{background:#185EB8;color:#fff}
section{padding:64px 0}
section.alt{background:var(--bg)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.card h3{font-size:20px}
.card p{margin:0;color:var(--muted)}
.icon{width:44px;height:44px;border-radius:12px;background:#E6F0FC;color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.lead{font-size:18px;color:var(--muted);max-width:720px}
.doc{padding:48px 0 72px}
.doc .wrap{max-width:820px}
.doc h1{font-size:38px}
.doc h2{font-size:22px;margin-top:36px}
.doc p,.doc li{color:#2B3A4A}
.doc .updated{color:var(--muted);font-size:15px}
.box{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:20px 0}
footer{background:var(--navy);color:#B9CBE0;padding:32px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:#D6E2F0}