body{margin:0;font-family:Arial;background:#111;color:#fff}header{text-align:center;padding:60px 20px;background:linear-gradient(#111,#222)}h1{color:#d4af37;font-size:42px}.btn{display:inline-block;margin-top:20px;padding:14px 24px;background:#d4af37;color:#111;text-decoration:none;border-radius:30px;font-weight:bold}section{padding:40px 20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:15px}.card{background:#1d1d1d;padding:25px;border:1px solid #d4af37;border-radius:16px;text-align:center}footer{text-align:center;padding:30px;color:#d4af37}