.product-detail-section {
  background: var(--white);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: 110px;
}

.main-product-image {
  width: 100%;
  min-height: 520px;
  object-fit: cover;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.product-details {
  background: var(--white);
  border: 1px solid rgba(213, 227, 228, 0.85);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow-soft);
}

.product-details h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 12px;
}

.product-description {
  color: var(--text-light);
  margin-bottom: 22px;
}

.product-features {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.product-features li {
  padding-left: 24px;
  position: relative;
  color: var(--text-light);
}

.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary-green);
  font-weight: 800;
}

.quantity-box {
  max-width: 180px;
  margin-bottom: 24px;
}

.quantity-box label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.detail-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.product-extra-section {
  background: var(--section-bg);
}

.related-products {
  background: var(--white);
}

@media (max-width: 900px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    position: static;
  }

  .main-product-image {
    min-height: 320px;
  }

  .detail-actions {
    flex-direction: column;
  }
}