:root{
  --bg:#0d1117;
  --bg-alt:#121821;
  --panel:#161d27;
  --border:#243040;
  --text:#e6edf3;
  --muted:#8b98a9;
  --brand:#3b82f6;
  --brand-2:#22d3ee;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

.site-header{
  border-bottom:1px solid var(--border);
  background:rgba(13,17,23,.85);
  backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:10;
}
.site-header .wrap{display:flex;align-items:center;gap:32px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px}
.logo-mark{
  width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;font-weight:700;font-size:13px;color:#06121f;
}
.logo-text strong{font-weight:700}
.nav{display:flex;gap:26px;margin-left:8px}
.nav a{color:var(--muted);font-size:15px}
.nav a:hover{color:var(--text)}
.actions{margin-left:auto;display:flex;gap:10px}
.btn{
  display:inline-block;padding:9px 18px;border-radius:10px;
  background:var(--brand);color:#06121f;font-weight:600;font-size:14px;
  border:1px solid transparent;
}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn.big{padding:13px 26px;font-size:16px}

.hero{padding:88px 0 64px;border-bottom:1px solid var(--border)}
.hero h1{font-size:46px;line-height:1.15;margin:0 0 20px;letter-spacing:-.5px}
.lead{color:var(--muted);font-size:19px;max-width:640px;margin:0 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.trust{list-style:none;display:flex;gap:28px;margin:40px 0 0;padding:0;color:var(--muted);font-size:14px}
.trust li::before{content:"\2713";color:var(--brand-2);margin-right:8px}

.grid-section{padding:72px 0}
.grid-section h2{font-size:30px;margin:0 0 36px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.card{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px;
}
.card h3{margin:0 0 10px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:15px}

.site-footer{border-top:1px solid var(--border);padding:56px 0 32px;background:var(--bg-alt)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.foot-grid h4{margin:0 0 14px;font-size:14px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.foot-grid a{display:block;color:var(--text);font-size:14px;padding:4px 0;opacity:.85}
.foot-grid a:hover{opacity:1;color:var(--brand-2)}
.muted{color:var(--muted);font-size:14px}
.copy{color:var(--muted);font-size:13px;margin:48px 0 0;border-top:1px solid var(--border);padding-top:24px}

.page{padding:72px 0}
.page h1{font-size:36px;margin:0 0 18px}
.page p{color:var(--muted);max-width:720px}
.page ul{color:var(--muted)}

.notice{
  background:var(--panel);border:1px solid var(--border);
  border-left:3px solid #f59e0b;border-radius:var(--radius);
  padding:26px 28px;margin-top:24px;
}
.notice h3{margin:0 0 12px;font-size:19px}
.notice p{margin:0 0 12px}
.notice p:last-child{margin-bottom:0}

@media(max-width:820px){
  .nav{display:none}
  .hero h1{font-size:34px}
  .foot-grid{grid-template-columns:1fr 1fr}
}