:root{
  --bg:#0b0b10; --card:#12121a; --muted:#9ca3af; --text:#f8fafc; --brand:#8b5cf6; --brand-2:#06b6d4;
  --max:1120px; --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;background:radial-gradient(1200px 800px at 90% -10%,#1e1b4b33,transparent),radial-gradient(800px 600px at -20% 10%,#0ea5b733,transparent),var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:auto;padding:0 20px}
header{position:sticky;top:0;backdrop-filter:blur(8px);background:#0b0b10cc;border-bottom:1px solid #1f2937;z-index:10}
nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:36px;height:36px;border-radius:10px;background:conic-gradient(from 20deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#0b0b10;font-weight:800}
.brand h1{font-size:18px;margin:0}
.nav-links a{padding:8px 10px;border-radius:10px;color:#d1d5db}
.nav-links a:hover{background:#1f2937;color:#fff}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{padding:10px 14px;border-radius:12px;border:1px solid #303341;background:#1a1a24;color:#fff;font-weight:600}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border:none}
.btn.ghost{background:transparent}
.hero{padding:64px 0 40px;border-bottom:1px solid #1f2937}
.hero h2{font-size:40px;line-height:1.1;margin:0 0 14px}
.hero p{color:#cbd5e1;max-width:760px}
.grid{display:grid;gap:18px}
@media(min-width:860px){.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}}
.card{background:linear-gradient(180deg,#151524,#0e0e15);border:1px solid #222435;border-radius:var(--radius);padding:18px}
.card h3{margin:6px 0 8px;font-size:18px}
.muted{color:#9aa1af}
section{padding:42px 0;border-bottom:1px solid #1f2937}
.pill{display:inline-flex;gap:8px;align-items:center;border:1px solid #2a2e3a;background:#151726;border-radius:999px;padding:6px 10px;color:#d1d5db;font-size:12px}
.list{display:grid;gap:10px;padding-left:0;list-style:none}
.list li{background:#10131d;border:1px dashed #2a2e3a;border-radius:14px;padding:10px 12px}
footer{padding:36px 0}
.footer-grid{display:grid;gap:20px}
@media(min-width:800px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#0f172a;padding:2px 6px;border-radius:6px;border:1px solid #303341}
.qr{display:grid;place-items:center}
.qr svg{width:180px;height:180px;filter:drop-shadow(0 10px 30px #0006)}
.badge{font-size:12px;color:#a7f3d0}
.form{max-width:720px;margin:10px auto 0}
.input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #2a2e3a;background:#0e0f16;color:#fff}
label{display:block;margin:10px 0 6px;color:#d1d5db}
.row{display:grid;gap:12px}
@media(min-width:720px){.row.cols-2{grid-template-columns:1fr 1fr}}
.help{font-size:12px;color:#9aa1af}
.checkbox{display:flex;gap:10px;align-items:flex-start;margin-top:10px;color:#d1d5db}
.success{background:#06281b;border:1px solid #064e3b;color:#d1fae5;border-radius:12px;padding:12px 14px}
.error{background:#2b1111;border:1px solid #7f1d1d;color:#fecaca;border-radius:12px;padding:12px 14px}