:root{
  --bg-1: #071024;
  --bg-2: #082335;
  --accent: #06b6d4;
  --muted: #9fbdb9;
  --glass: rgba(255,255,255,0.04);
  --card: rgba(255,255,255,0.03);
  --radius: 12px;
  --max-width: 920px;
  color-scheme: dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, Roboto, -apple-system, system-ui, "Segoe UI", "Helvetica Neue", Arial;
  background: linear-gradient(180deg,var(--bg-1),var(--bg-2));
  color:#e6f7f6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:32px 18px}
.header{width:100%;max-width:var(--max-width);display:flex;align-items:center;justify-content:flex-start;padding:10px 14px;border-radius:10px}
.logo{display:flex;align-items:center;gap:12px}
.brand h1{margin:0;font-size:18px;letter-spacing:0.2px}
.muted{margin:0;font-size:12px;color:var(--muted)}
.main{width:100%;max-width:var(--max-width);margin-top:18px}
.hero{background:linear-gradient(135deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01));padding:28px;border-radius:var(--radius);display:grid;gap:16px}
.hero-title{margin:0;font-size:22px}
.hero-sub{margin:0;color:var(--muted)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:10px;text-decoration:none;color:inherit;font-weight:600}
.btn.primary{background:linear-gradient(90deg,var(--accent),#10b981);color:#042027;box-shadow:0 6px 18px rgba(6,182,212,0.12)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.06)}
.info{display:grid;grid-template-columns:1fr 220px;gap:18px;margin-top:18px;align-items:start}
.features{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.features li{background:var(--card);padding:14px;border-radius:10px}
.features h3{margin:0 0 6px 0;font-size:16px}
.features p{margin:0;color:var(--muted);font-size:13px}
.qr{display:flex;flex-direction:column;align-items:center;gap:8px}
.qr-box{width:200px;height:200px;border-radius:12px;overflow:hidden;background:rgba(255,255,255,0.02);display:flex;align-items:center;justify-content:center}
.qr-note{margin:0;color:var(--muted);font-size:13px;text-align:center}
.footer{width:100%;max-width:var(--max-width);margin-top:auto;padding:18px 6px;color:var(--muted);display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.footer a{color:var(--accent);text-decoration:none}

@media (max-width:720px){
  .info{grid-template-columns:1fr;}
  .qr-box{width:160px;height:160px}
  .hero-title{font-size:20px}
}

@media (prefers-reduced-motion: no-preference){
  .hero{transform:translateZ(0);backface-visibility:hidden}
}