* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  line-height: 1.6;
  padding: 20px;
}

header {
  text-align: center;
  padding: 20px 0;
  background-color: #333;
  color: white;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.product-card {
  background: white;
  border: 1px solid #ccc;
  padding: 15px;
  text-align: center;
  border-radius: 8px;
  transition: transform 0.2s;
}

.product-card:hover {
  transform: scale(1.03);
}

.product-card img {
  width: 100%;
  height: auto;
}

.product-card h2 {
  margin: 10px 0;
  font-size: 18px;
}

.product-card p {
  color: green;
  font-weight: bold;
  margin: 5px 0;
}

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

.product-card button:hover {
  background-color: #218838;
}

footer {
  text-align: center;
  margin-top: 40px;
  color: #666;
}
header button {
  background: #f90;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 10px;
}

.cart-modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
}

.cart-content {
  background: white;
  width: 90%;
  max-width: 400px;
  margin: 100px auto;
  padding: 20px;
  border-radius: 8px;
}

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

.cart-content li {
  margin-bottom: 10px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 5px;
}