* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  padding: 0;
  background: #f5f5f5;
}

header {
  background: #222;
  color: #fff;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding: 30px;
}

.product {
  background: #fff;
  padding: 15px;
  border-radius: 6px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.product img {
  max-width: 100%;
  height: 150px;
  object-fit: cover;
}

.product h3 {
  margin: 10px 0;
}

.product button {
  background: #28a745;
  color: #fff;
  border: none;
  padding: 10px;
  cursor: pointer;
  border-radius: 4px;
}

.product button:hover {
  background: #218838;
}

.cart-section {
  background: #fff;
  margin: 20px;
  padding: 20px;
  border-radius: 6px;
}

.cart-section ul {
  list-style: none;
  padding: 0;
}

.cart-section li {
  margin: 8px 0;
}

.total {
  font-weight: bold;
}