/* ============ SINGLE PRODUCT PAGE ============ */
.single-product-breadcrumb {
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  padding: 1rem 0;
}

.single-product-breadcrumb__nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: #6b7280;
}

.single-product-breadcrumb__nav a {
  color: #6b7280;
  text-decoration: none;
  transition: color 200ms ease;
}

.single-product-breadcrumb__nav a:hover {
  color: var(--color-primary);
}

.single-product-breadcrumb__sep {
  margin: 0 0.5rem;
  color: #9ca3af;
}

.single-product-breadcrumb__current {
  color: var(--color-primary);
  font-weight: 600;
}

.single-product-detail {
  background: #f9fafb;
  padding: 3rem 0;
}

@media (min-width: 768px) { .single-product-detail { padding: 4rem 0; } }

.single-product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .single-product-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

/* Image */
.single-product-image {
  position: relative;
  aspect-ratio: 1;
  background: #fff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  cursor: zoom-in;
  margin-bottom: 2rem;
}

.single-product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 2rem;
  transition: transform 400ms ease;
}

.single-product-image:hover img {
  transform: scale(1.08);
}

.single-product-image__fallback {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0.3;
}

/* Thumbnails (under main image) */
.single-product-thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.single-product-thumb {
  flex-shrink: 0;
  width: 5rem;
  height: 5rem;
  background: #fff;
  border: 2px solid transparent;
  border-radius: 0.5rem;
  overflow: hidden;
  cursor: pointer;
  padding: 0.25rem;
  transition: border-color 200ms ease;
}

.single-product-thumb:hover {
  border-color: var(--color-primary-300);
}

.single-product-thumb.is-active {
  border-color: var(--color-primary);
}

.single-product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Card (features, specs) */
.single-product-card {
  margin-top: 1.5rem;
  background: #fff;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
}

.single-product-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* Features list */
.single-product-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.single-product-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: #374151;
}

.single-product-features svg {
  color: var(--color-secondary-600);
  margin-top: 0.125rem;
  flex-shrink: 0;
}

/* Right column */
.single-product-right {
  display: flex;
  flex-direction: column;
}

@media (min-width: 1024px) {
  .single-product-right {
    position: sticky;
    top: 6rem;
    align-self: flex-start;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
    padding-right: 0.5rem;
  }

  /* Hide scrollbar */
  .single-product-right::-webkit-scrollbar { width: 6px; }
  .single-product-right::-webkit-scrollbar-track { background: transparent; }
  .single-product-right::-webkit-scrollbar-thumb { background: #e5e7eb; border-radius: 3px; }
}

/* Category banner */
.single-product-cat-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  margin-bottom: 1.5rem;
  border-radius: 0.5rem;
  border-left: 4px solid;
  text-decoration: none;
  transition: all 200ms ease;
}

.single-product-cat-banner:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.single-product-cat-banner__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: #fff;
  border-radius: 9999px;
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.single-product-cat-banner__icon img {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

.single-product-cat-banner__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: #6b7280;
  margin-bottom: 0.25rem;
}

.single-product-cat-banner__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.125rem;
}

/* Title and description */
.single-product-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 2.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  line-height: 1.1;
}

@media (min-width: 768px) { .single-product-title { font-size: 3rem; } }

.single-product-description {
  font-size: 1.125rem;
  color: #4b5563;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.single-product-content {
  margin-bottom: 2rem;
  color: #4b5563;
}

/* Sections */
.single-product-section {
  margin-bottom: 2rem;
}

.single-product-section__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.single-product-quality {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Variants table */
.single-product-variants-table-wrap {
  overflow-x: auto;
}

.single-product-variants-table {
  width: 100%;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  border-collapse: collapse;
  overflow: hidden;
}

.single-product-variants-table thead {
  background: #f9fafb;
}

.single-product-variants-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #374151;
}

.single-product-variants-table tbody tr {
  border-top: 1px solid #e5e7eb;
  transition: background 150ms ease;
}

.single-product-variants-table tbody tr:hover {
  background: #f9fafb;
}

.single-product-variants-table td {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: #4b5563;
}

.single-product-variants-table td code {
  font-family: monospace;
  font-size: 0.875rem;
  color: #6b7280;
}

.single-product-variant-format {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: #1f2937;
}

/* Downloads */
.single-product-downloads {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.single-product-download {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  transition: all 200ms ease;
  text-decoration: none;
  color: inherit;
}

.single-product-download:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.single-product-download__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: #dbeafe;
  color: #1e40af;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.single-product-download__body {
  flex: 1;
  min-width: 0;
}

.single-product-download__title {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.25rem;
  transition: color 200ms ease;
}

.single-product-download:hover .single-product-download__title {
  color: var(--color-primary);
}

.single-product-download__meta {
  font-size: 0.75rem;
  color: #6b7280;
}

.single-product-download__arrow {
  color: #9ca3af;
  flex-shrink: 0;
  transition: transform 200ms ease, color 200ms ease;
}

.single-product-download:hover .single-product-download__arrow {
  color: var(--color-primary);
  transform: translateY(2px);
}

/* CTAs */
.single-product-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
}

.single-product-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Similar Products section */
.single-product-similar {
  padding: 3rem 0;
  background: #fff;
}

@media (min-width: 768px) { .single-product-similar { padding: 4rem 0; } }

.single-product-similar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.single-product-similar__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  text-transform: uppercase;
  font-size: 1.5rem;
  color: var(--color-primary);
}

@media (min-width: 768px) { .single-product-similar__title { font-size: 2rem; } }

.single-product-similar__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) { .single-product-similar__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .single-product-similar__grid { grid-template-columns: repeat(4, 1fr); } }

/* Products Listing */
.products-archive {
  padding: var(--section-padding-y) 0;
}

.products-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.products-filters__btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  background: #fff;
  border: 1px solid var(--color-dark-200);
  border-radius: 9999px;
  cursor: pointer;
  transition: all var(--transition);
}

.products-filters__btn:hover,
.products-filters__btn--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.5rem;
}

/* Product Detail */
.product-detail {
  padding: var(--section-padding-y) 0;
}

.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.product-detail__gallery {
  position: relative;
}

.product-detail__main-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--color-dark-50);
}

.product-detail__thumbnails {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  overflow-x: auto;
}

.product-detail__thumbnail {
  width: 5rem;
  height: 5rem;
  border-radius: var(--radius);
  object-fit: cover;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.product-detail__thumbnail:hover,
.product-detail__thumbnail--active {
  border-color: var(--color-primary);
}

.product-detail__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-detail__title {
  font-size: 2rem;
  color: var(--color-primary);
}

.product-detail__description {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-dark-600);
}

/* Quality Levels */
.quality-levels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.quality-level {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--color-primary-50);
  color: var(--color-primary);
  border-radius: var(--radius);
}

.quality-level__type {
  font-weight: 800;
  text-transform: uppercase;
}

/* Product Variants */
.product-variants {
  border: 1px solid var(--color-dark-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.product-variants__header {
  background: var(--color-primary-50);
  padding: 0.75rem 1rem;
  font-weight: 700;
  font-size: 0.875rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.product-variants__row {
  padding: 0.75rem 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  border-bottom: 1px solid var(--color-dark-100);
  font-size: 0.875rem;
}

.product-variants__row:last-child {
  border-bottom: none;
}

/* Features list */
.product-features {
  list-style: none;
  padding: 0;
}

.product-features li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.75rem;
  font-size: 0.9375rem;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
}

/* Technical / Safety Sheets */
.product-sheets {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-sheets__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-dark-50);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark);
  transition: background var(--transition);
}

.product-sheets__item:hover {
  background: var(--color-primary-50);
  color: var(--color-primary);
}

.product-sheets__item svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Similar Products */
.similar-products {
  padding: var(--section-padding-y) 0;
  background: var(--color-dark-50);
}

.similar-products__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.similar-products__header .section-title {
  margin-bottom: 0;
}

/* ============ Carousel (scroll-snap, vanilla) ============ */
.carousel {
  position: relative;
  margin: 0 calc(var(--container-padding) * -1);
  padding: 0 var(--container-padding);
  overflow: hidden;
}

.carousel__track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
}

.carousel__track::-webkit-scrollbar {
  display: none;
}

.carousel__slide {
  flex: 0 0 calc(85% - 0.5rem);
  scroll-snap-align: start;
  min-width: 0;
}

.carousel__slide > .product-card {
  height: 100%;
}

@media (min-width: 640px) {
  .carousel__slide { flex-basis: calc(50% - 0.5rem); }
}

@media (min-width: 1024px) {
  .carousel__slide { flex-basis: calc(33.333% - 0.667rem); }
}

@media (min-width: 1280px) {
  .carousel__slide { flex-basis: calc(25% - 0.75rem); }
}

/* Carousel controls */
.carousel-controls {
  display: flex;
  gap: 0.5rem;
}

.carousel-controls__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: #fff;
  border: 1px solid var(--color-dark-200);
  border-radius: 9999px;
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition);
}

.carousel-controls__btn:hover:not(:disabled) {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.carousel-controls__btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}