body{margin:0;font-family:Arial,sans-serif;line-height:1.6}
header,footer{background:#0f172a;color:#fff;padding:15px}
nav a{color:#fff;text-decoration:none;margin:0 10px}
.hero{padding:100px 20px;text-align:center;background:#1e293b;color:#fff}
.container{max-width:1200px;margin:auto;padding:30px 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{border:1px solid #ddd;border-radius:10px;padding:20px}
.btn{background:#d4af37;color:#fff;padding:10px 18px;text-decoration:none;border-radius:5px}