body{font-family:Arial,sans-serif;margin:0;line-height:1.6;color:#333}
header{background:#0b4f6c;color:#fff;padding:1rem}
nav a{color:#fff;text-decoration:none;margin-right:15px}
.hero{padding:80px 20px;background:#e8f1f5;text-align:center}
.container{max-width:1200px;margin:auto;padding:20px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{border:1px solid #ddd;padding:20px;border-radius:8px}
footer{background:#222;color:#fff;padding:20px;text-align:center;margin-top:40px}