.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); /* ✅ responsive tự động */
  gap: 20px;
  padding: 20px;
}

.product-item {
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  background: #fff;
  transition: transform 0.2s ease;
}

.product-item:hover {
  transform: translateY(-5px);
}

.product-item img {
  max-width: 100%;
  height: auto;
  max-height: 150px;
  object-fit: contain;
  margin-bottom: 10px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.product-item p {
  margin-top: 10px;
  font-weight: 500;
  font-size: 15px;
}

/* Responsive fallback nếu cần */
@media (max-width: 480px) {
  .product-item {
    padding: 16px;
  }
  .product-item p {
    font-size: 14px;
  }
}