.header {
  background: rgba(45, 45, 45, 0.95);
}
/* Breadcrumb */
.breadcrumb-section {
  background: var(--gray);
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
  margin-top: 54px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.breadcrumb a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb span {
  color: var(--dark);
  font-weight: 500;
}

/* Product Detail Section */
.product-detail {
  padding: 40px 0 60px;
  background: var(--white);
}
.product-detail .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

/* Product Gallery */
.product-gallery {
  position: sticky;
  top: 100px;
}
.gallery-main {
  width: 100%;
  aspect-ratio: 1;
  background: var(--gray);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
  border: 1px solid var(--border);
}
.gallery-main img {
  max-width: 85%;
  max-height: 85%;
  object-fit: contain;
  transition: transform 0.3s;
}
.gallery-main:hover img {
  transform: scale(1.05);
}
.gallery-thumbs {
  display: flex;
  gap: 10px;
}
.gallery-thumb {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  border: 2px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray);
  transition: border-color 0.3s;
}
.gallery-thumb.active,
.gallery-thumb:hover {
  border-color: var(--primary);
}
.gallery-thumb img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
}

/* Product Info */
.product-info {
  padding-top: 10px;
}
.product-brand {
  display: inline-block;
  background: rgba(240, 165, 0, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.product-title {
  font-family: "Montserrat", sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 15px;
  line-height: 1.3;
}
.product-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text);
}
.product-rating .stars {
  color: #ffc107;
}
.product-price-box {
  background: linear-gradient(135deg, #fff9e6, #fff3cc);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 25px;
  border: 1px solid rgba(240, 165, 0, 0.2);
}
.price-old {
  font-size: 16px;
  color: #999;
  text-decoration: line-through;
  margin-bottom: 5px;
}
.price-current {
  font-size: 32px;
  font-weight: 800;
  color: #e53e3e;
  font-family: "Montserrat", sans-serif;
}
.price-save {
  display: inline-block;
  background: #e53e3e;
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 15px;
  margin-left: 10px;
}
.product-short-desc {
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 25px;
  padding-bottom: 25px;
  border-bottom: 1px solid var(--border);
}

/* Product Highlights */
.product-highlights {
  margin-bottom: 25px;
}
.product-highlights h4 {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.highlight-list {
  list-style: none;
  padding: 0;
}
.highlight-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}
.highlight-list li:last-child {
  border-bottom: none;
}
.highlight-list li i {
  color: #28a745;
  font-size: 14px;
  width: 20px;
}

/* CTA Buttons */
.product-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 25px;
}
.btn-buy {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: var(--dark);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 30px;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s;
}
.btn-buy:hover {
  background: #d4940a;
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(240, 165, 0, 0.3);
}
.btn-call {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  font-size: 16px;
  font-weight: 600;
  padding: 16px 25px;
  border-radius: 12px;
  border: 2px solid var(--primary);
  text-decoration: none;
  transition: all 0.3s;
}
.btn-call:hover {
  background: rgba(240, 165, 0, 0.1);
}

/* Trust Badges */
.trust-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
  padding: 12px;
  background: var(--gray);
  border-radius: 10px;
}
.trust-badge i {
  color: var(--primary);
  font-size: 18px;
}

/* Tabs */
.product-tabs {
  margin-top: 60px;
  background: var(--white);
  padding-bottom: 60px;
}
.product-tabs .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 30px;
  gap: 5px;
}
.tab-btn {
  background: none;
  border: none;
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  padding: 15px 25px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.3s;
}
.tab-btn:hover {
  color: var(--dark);
}
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* Specs Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
}
.specs-table tr:nth-child(even) {
  background: var(--gray);
}
.specs-table td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.specs-table td:first-child {
  font-weight: 600;
  color: var(--dark);
  width: 35%;
}
.specs-table td:last-child {
  color: var(--text);
}

/* Description Content */
.desc-content {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
}
.desc-content h3 {
  font-family: "Montserrat", sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin: 25px 0 12px;
}
.desc-content p {
  margin-bottom: 15px;
}
.desc-content ul {
  padding-left: 20px;
  margin-bottom: 15px;
}
.desc-content li {
  margin-bottom: 8px;
}
.desc-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 20px 0;
}

/* Related Products */
.related-products {
  padding: 60px 0;
  background: var(--gray);
}
.related-products .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.related-products h2 {
  font-family: "Montserrat", sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  text-align: center;
  margin-bottom: 35px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
  text-decoration: none;
}
.related-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.related-card-img {
  width: 100%;
  aspect-ratio: 1;
  background: var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.related-card-img img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
}
.related-card-info {
  padding: 15px;
}
.related-card-info .brand {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 5px;
}
.related-card-info .name {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.3;
}
.related-card-info .price {
  font-size: 16px;
  font-weight: 700;
  color: #e53e3e;
}

/* CTA Banner */
.cta-banner {
  background: url("https://images.unsplash.com/photo-1492691527719-9d1e07e534b4?w=1200&q=80")
    center/cover;
}
.cta-banner .btn-buy {
  display: inline-flex;
}

/* Responsive */
@media (max-width: 968px) {
  .product-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .product-gallery {
    position: static;
  }
  .product-title {
    font-size: 24px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 576px) {
  .product-cta {
    flex-direction: column;
  }
  .trust-badges {
    grid-template-columns: 1fr;
  }
  .tab-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .tab-btn {
    padding: 12px 15px;
    font-size: 13px;
    white-space: nowrap;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .price-current {
    font-size: 26px;
  }
  .gallery-thumb {
    width: 60px;
    height: 60px;
  }
}