body{font-family:Arial;margin:0}header{background:#0d47a1;color:#fff;padding:15px}.hero{background:#eee;padding:60px;text-align:center}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;padding:20px}.cards div{background:#ffc107;padding:20px}form{display:flex;flex-direction:column;max-width:500px;margin:auto;gap:10px;padding:20px}