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

body {
  font-family: "Poppins", sans-serif;
  background: #fafafa;
  color: #222;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  display: block;
  width: 100%;
}

.container {
  width: 90%;
  max-width: 1280px;
  margin: auto;
}

.product-details-section {
  padding: 40px 0 64px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  margin-bottom: 35px;
  color: #777;
}

.breadcrumb a {
  transition: 0.3s;
}

.breadcrumb a:hover {
  color: #111;
}

.product-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: flex-start;
}

.gallery-section {
  display: flex;
  gap: 20px;
  width: 47%;
  margin-left: 232px;
}

.thumbnail-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.thumbnail {
  width: 80px;
  height: 80px;
  border: 2px solid transparent;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: 0.3s;
}

.thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumbnail.active {
  border-color: #111;
}

.thumbnail:hover {
  border-color: #111;
}

.main-image-wrapper {
  flex: 1;
  position: relative;
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
}

.main-image-wrapper img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  display: block;
  transition: transform 0.15s ease;
  transform-origin: center;
}

.sold-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 4px;
  z-index: 10;
}

.product-information {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand-name {
  color: #8b8b8b;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 500;
}

.title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.title-row h1 {
  font-size: 34px;
  line-height: 1.25;
  color: #111;
  line-height: 1.2;
}

.wishlist-btn {
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: 0.3s;
}

.wishlist-btn i {
  font-size: 20px;
  color: #111;
}

.wishlist-btn:hover {
  background: #111;
}

.wishlist-btn:hover i {
  color: #fff;
}

.rating-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.rating-row .stars {
  display: flex;
  gap: 4px;
}

.rating-row .stars i {
  color: #f6b100;
  font-size: 16px;
}

.rating-row span {
  font-size: 15px;
  color: #666;
}

.price-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.price-row h2 {
  font-size: 34px;
  color: #111;
  font-weight: 700;
}

.old-price {
  text-decoration: line-through;
  color: #9b9b9b;
  font-size: 18px;
}

.discount {
  background: #111;
  color: #fff;
  padding: 7px 15px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
}

.coupon-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  background: #fff;
  border-radius: 14px;
  border: 1px dashed #bbb;
}

.coupon-box strong {
  color: #111;
}

.coupon-box small {
  color: #0a8a35;
  font-weight: 600;
}

.description {
  color: #666;
  font-size: 15px;
  line-height: 26px;
}

.variant-section h4 {
  margin-bottom: 15px;
  font-size: 18px;
}

.variant-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.variant-btn {
  padding: 12px 22px;
  border: 1px solid #d7d7d7;
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.3s;
  font-size: 15px;
  font-weight: 500;
}

.variant-btn:hover {
  background: #111;
  color: #fff;
  border-color: #111;
}

.variant-btn.active {
  background: #111;
  color: #fff;
  border-color: #111;
}

.stock-section {
  display: flex;
  align-items: center;
}

.stock {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
}

.stock i {
  font-size: 10px;
}

.in-stock {
  color: #16a34a;
}

.low-stock {
  color: #e58b00;
}

.out-stock {
  color: #dc2626;
}

.note-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #fff;
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

.note-section strong {
  color: #111;
}
.quantity-cart-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.quantity-box {
  display: flex;
  align-items: center;
  border: 1px solid #dcdcdc;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.quantity-box button {
  width: 48px;
  height: 48px;
  border: none;
  background: #f6f6f6;
  font-size: 22px;
  cursor: pointer;
  transition: 0.3s;
}

.quantity-box button:hover {
  background: #111;
  color: #fff;
}

.quantity-box input {
  width: 60px;
  height: 48px;
  border: none;
  text-align: center;
  font-size: 17px;
  font-weight: 600;
  background: #fff;
  outline: none;
}

.cart-btn {
  height: 48px;
  padding: 0 40px;
  border: none;
  background: #111;
  color: #fff;
  border-radius: 10px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  transition: 0.3s;
}

.cart-btn:hover {
  background: #333;
}

.go-cart-btn {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 35px;
  border: 2px solid #111;
  border-radius: 10px;
  color: #111;
  font-weight: 600;
  transition: 0.3s;
}

.go-cart-btn:hover {
  background: #111;
  color: #fff;
}

.cart-btn.disabled {
  background: #bbb;
  cursor: not-allowed;
}

.delivery-section {
  margin-top: 15px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.delivery-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
}

.delivery-item i {
  width: 48px;
  height: 48px;
  font-size: 20px;
  border-radius: 50%;
  background: #111;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.delivery-item h5 {
  font-size: 17px;
  margin-bottom: 4px;
}

.delivery-item p {
  color: #666;
  font-size: 14px;
}

.product-highlights {
  margin-top: 30px;
  background: #fff;
  padding: 30px;
  border-radius: 18px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.product-highlights h3 {
  margin-bottom: 20px;
  font-size: 24px;
}

.product-highlights ul {
  list-style: none;
}

.product-highlights li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
  color: #555;
}

.product-highlights li::before {
  content: "✓";
  width: 28px;
  height: 28px;
  background: #111;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.product-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.outline-btn {
  padding: 13px 24px;
  border: 1px solid #d6d6d6;
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 500;
  transition: 0.3s;
}

.outline-btn:hover {
  background: #111;
  color: #fff;
  border-color: #111;
}

.review-section {
  padding: 64px 0;
  background: #fff;
}

.section-title {
  margin-bottom: 35px;
}

.section-title h2 {
  font-size: 34px;
  font-weight: 700;
  color: #111;
}

.review-card {
  background: #fafafa;
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 25px;
  border: 1px solid #ececec;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 15px;
}

.review-header h4 {
  font-size: 18px;
}

.review-header span {
  color: #777;
  font-size: 14px;
}

.review-card .stars {
  display: flex;
  gap: 4px;
}

.review-card .stars i {
  color: #f6b100;
}

.review-card p {
  color: #555;
  line-height: 28px;
}

.empty-review {
  padding: 60px;
  background: #fafafa;
  text-align: center;
  border-radius: 16px;
  color: #888;
  font-size: 17px;
}

.related-products {
  padding: 64px 0;
  background: #fafafa;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.related-card {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
  transition: 0.35s;
}

.related-card:hover {
  transform: translateY(-8px);
}

.related-card img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}

.related-content {
  padding: 20px;
}

.related-content .brand {
  font-size: 13px;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.related-content h4 {
  margin: 10px 0;
  font-size: 17px;
  color: #111;
}

.related-content .price {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.view-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 48px;
  background: #111;
  color: #fff;
  border-radius: 10px;
  font-weight: 600;
  transition: 0.3s;
}

.view-btn:hover {
  background: #333;
}
@media (max-width: 200px) {
  .product-wrapper {
    grid-template: 1fr;
    gap: 50px;
  }

  .product-gallery {
    position: static;
  }

  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .thumbnail-list {
    flex-direction: row;
    order: 2;
    overflow-x: auto;
  }

  .gallery-left {
    flex-direction: column;
  }

  .thumbnail-list img {
    width: 90px;
    height: 90px;
  }

  .main-image img {
    height: 520px;
  }

  .product-title {
    font-size: 34px;
  }

  .price {
    font-size: 34px;
  }

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

  .cart-btn,
  .go-cart-btn,
  .outline-btn {
    width: 100%;
  }

  .quantity-cart-row {
    flex-direction: column;
    align-items: stretch;
  }

  .quantity-box {
    width: 100%;
    justify-content: center;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .product-details-page {
    padding: 40px 0;
  }

  .breadcrumb {
    font-size: 13px;
    flex-wrap: wrap;
  }

  .main-image img {
    height: 420px;
  }

  .product-title {
    font-size: 30px;
    line-height: 1.3;
  }

  .rating-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .price-row {
    flex-wrap: wrap;
    gap: 12px;
  }

  .price {
    font-size: 30px;
  }

  .delivery-item {
    align-items: flex-start;
  }

  .delivery-item i {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

  .product-highlights {
    padding: 24px;
  }

  .review-section,
  .related-products {
    padding: 60px 0;
  }

  .section-title h2 {
    font-size: 28px;
  }

  .related-grid {
    gap: 20px;
  }
}

@media (max-width: 576px) {
  .container {
    width: 92%;
  }

  .main-image img {
    height: 340px;
  }

  .thumbnail-list img {
    width: 75px;
    height: 75px;
  }

  .product-title {
    font-size: 26px;
  }

  .price {
    font-size: 28px;
  }

  .old-price {
    font-size: 18px;
  }

  .discount-badge {
    font-size: 13px;
    padding: 7px 14px;
  }

  .product-meta {
    grid-template-columns: 1fr;
  }

  .size-options,
  .concentration-options {
    gap: 10px;
  }

  .size-btn,
  .concentration-btn {
    min-width: 75px;
    padding: 10px 16px;
  }

  .wishlist-btn {
    width: 52px;
    height: 52px;
    font-size: 18px;
  }

  .quantity-box button {
    width: 44px;
    height: 44px;
  }

  .quantity-box input {
    height: 44px;
  }

  .cart-btn,
  .go-cart-btn {
    height: 48px;
  }

  .delivery-item {
    flex-direction: column;
    text-align: center;
  }

  .delivery-item i {
    margin: auto;
  }

  .review-card {
    padding: 20px;
  }

  .review-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .related-card img {
    aspect-ratio: 1/1;
  }
}