body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8f9fa;
  color: #333;
  padding: 10px;
}
header {
  background: #0d2c54;
  color: #fff;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header .logo { font-weight: bold; font-size: 20px; }
nav a { color: #fff; margin: 0 10px; text-decoration: none; }
nav a.active { border-bottom: 2px solid #fff; }
.hero { text-align: center; padding: 80px 20px; background: linear-gradient(135deg, #0d2c54, #145da0); color: #fff; }
.hero .btn { background: #fff; color: #0d2c54; padding: 10px 20px; border-radius: 5px; text-decoration: none; }
.vantaggi { padding: 50px 20px; text-align: center; }
.cards { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.card { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 3px 8px rgba(0,0,0,0.1); }
.prodotti .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; padding: 20px; }
.prodotto img { width: 100%; border-radius: 8px; }
.btn { display: inline-block; margin-top: 10px; background: #0d2c54; color: #fff; padding: 10px 15px; border-radius: 5px; text-decoration: none; }
footer { background: #0d2c54; color: #fff; text-align: center; padding: 15px; margin-top: 30px; }