:root{
  --bg: #0f1724;
  --card: #0b1220;
  --muted: #aab0bd;
  --accent: #5eead4;
  --accent-2: #60a5fa;
  --text: #e6eef6;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial}
body{background:linear-gradient(180deg,var(--bg),#081022);color:var(--text);-webkit-font-smoothing:antialiased}
.container{max-width:980px;margin:0 auto;padding:28px}

.site-header{border-bottom:1px solid rgba(255,255,255,0.03);backdrop-filter: blur(4px)}
.site-header .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:20px;margin:0}
.nav a{color:var(--muted);text-decoration:none;margin-left:18px}
.nav a:hover{color:var(--text)}

.hero{padding:72px 0;text-align:center}
.hero h2{font-size:32px;margin:0 0 8px}
.lead{color:var(--muted);margin-top:8px;max-width:760px;margin-left:auto;margin-right:auto}
.btn{display:inline-block;margin-top:16px;padding:10px 18px;border-radius:8px;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#04203c;text-decoration:none;font-weight:600}

.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:24px;border-radius:12px;margin:18px 0}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card h4{margin-top:0}
.link{display:inline-block;margin-top:12px;color:var(--accent);text-decoration:none}

.site-footer{border-top:1px solid rgba(255,255,255,0.03);padding:20px 0;margin-top:36px}
.site-footer .container{display:flex;justify-content:space-between;align-items:center}
.footer-nav a{color:var(--muted);text-decoration:none;margin-left:14px}

@media (max-width:640px){
  .site-header .container{flex-direction:column;align-items:flex-start}
  .nav{margin-top:10px}
  .hero h2{font-size:26px}
}