body{font-family:Arial,sans-serif;margin:0;background:#f5f5f5}
.container{max-width:1200px;margin:auto;padding:0 20px}
header{background:#111;color:#fff;padding:15px}
.hero{padding:80px 20px;text-align:center;background:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px}
.card{background:#fff;padding:20px;border-radius:8px}
form{display:grid;gap:10px;max-width:600px}