body{margin:0;font-family:Arial,sans-serif;background:#0f172a;color:#e5e7eb}
header{background:#111827;padding:16px 32px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0}
nav a{color:#e5e7eb;margin:0 12px;text-decoration:none}
.hero{padding:80px 32px;text-align:center;background:linear-gradient(135deg,#0f172a,#1e3a8a)}
.hero h1{font-size:48px;margin-bottom:16px}
.btn{display:inline-block;padding:12px 24px;border-radius:8px;text-decoration:none;margin:8px}
.btn-primary{background:#2563eb;color:white}
.btn-secondary{border:1px solid #2563eb;color:#93c5fd}
.section{padding:64px 32px;max-width:1200px;margin:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:#111827;border:1px solid #1f2937;border-radius:16px;padding:24px}
.price{font-size:36px;color:#60a5fa;margin:16px 0}
.features li{margin:8px 0}
footer{background:#111827;padding:32px;text-align:center;color:#9ca3af}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border:1px solid #374151;padding:12px;text-align:left}
.product{display:flex;justify-content:space-between;align-items:center;gap:16px}
.payment{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.badge{background:#1d4ed8;color:white;padding:4px 10px;border-radius:999px;font-size:12px}
input,textarea{width:100%;padding:12px;border-radius:8px;border:1px solid #374151;background:#0b1220;color:#fff;margin-bottom:12px}