body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f8f8;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

header {
  background: #222;
  color: white;
  padding: 15px 0;
}

.logo {
  float: left;
  margin-left: 20px;
  font-size: 22px;
}

nav {
  float: right;
  margin-right: 20px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 15px;
}

nav a {
  color: white;
  text-decoration: none;
}

header::after {
  content: "";
  display: block;
  clear: both;
}

.products {
  padding: 40px 0;
  background: white;
}

.product-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.card {
  background: #fff;
  padding: 15px;
  border: 1px solid #ccc;
  width: 300px;
  border-radius: 8px;
  text-align: center;
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 5px;
}

.card h3 {
  margin: 10px 0;
}

.card button {
  background: #ff6600;
  color: white;
  padding: 8px 16px;
  border: none;
  margin-top: 10px;
  border-radius: 5px;
  cursor: pointer;
}

.cart-section {
  padding: 40px 0;
  background: #f1f1f1;
}

#cart-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background: white;
}

#cart-table th, #cart-table td {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: center;
}

#grand-total {
  text-align: right;
  margin-top: 20px;
  color: #ff6600;
  font-weight: bold;
  font-size: 20px;
}

@media (max-width: 768px) {
  .product-grid {
    flex-direction: column;
    align-items: center;
  }

  nav ul {
    flex-direction: column;
    gap: 10px;
  }
}