body{font-family:Arial,sans-serif;margin:0;line-height:1.6}
header,footer{background:#003b8e;color:#fff;padding:15px 5%}
nav a{color:#fff;text-decoration:none;margin:0 10px}
.hero{padding:100px 20px;text-align:center;background:#eee}
.container{width:90%;max-width:1200px;margin:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{border:1px solid #ddd;padding:15px;border-radius:10px}
.btn{background:#d4a017;color:#fff;padding:10px 20px;text-decoration:none;border-radius:20px}