/* ============================================
   Jewellerydirect2u – product.css (FIXED)
   ✅ Zero direct tag selectors
   ✅ Class-based only
============================================ */

.product-page {
  background: var(--cream);
  font-family: var(--font-body);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

/* ---- Back Bar ---- */
.back-bar {
  background: var(--dark);
  padding: 14px 48px;
  margin-top: 70px;
  border-bottom: 1px solid rgba(201,168,76,0.15);
  position: relative;
  z-index: 1;
}

.back-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition);
  text-decoration: none;
}

.btn-back:hover { color: var(--gold); }

.btn-back-icon { transition: transform var(--transition); }
.btn-back:hover .btn-back-icon { transform: translateX(-3px); }

.breadcrumb {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

/* ---- Product Detail Layout ---- */
.product-detail {
  padding: 60px 48px 100px;
  position: relative;
  z-index: 1;
}

.product-detail-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: flex-start;
}

/* ---- Gallery ---- */
.gallery-main {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #f5f0e8;
  aspect-ratio: 1;
  cursor: zoom-in;
}

.gallery-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease, opacity 0.25s ease;
}

.gallery-main:hover .gallery-main-img { transform: scale(1.04); }

.gallery-zoom-hint {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.88);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-main:hover .gallery-zoom-hint { opacity: 1; }

.gallery-thumbs {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.thumb-item {
  flex: 1;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition);
}

.thumb-item.thumb-active { border-color: var(--gold); }

.thumb-item-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}

.thumb-item:hover .thumb-item-img { transform: scale(1.06); }

/* ---- Product Info ---- */
.product-collection-tag {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201,168,76,0.1);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid rgba(201,168,76,0.3);
}

.product-detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--dark);
  font-weight: 400;
  margin-bottom: 8px;
  line-height: 1.15;
}

.product-detail-subtitle {
  font-size: 0.92rem;
  color: var(--text-light);
  margin-bottom: 16px;
  font-style: italic;
  display: block;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.rating-stars {
  color: var(--gold);
  font-size: 0.9rem;
  display: flex;
  gap: 2px;
}

.rating-count {
  font-size: 0.82rem;
  color: var(--text-light);
}

.product-detail-price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--gold-dark);
  font-weight: 600;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid #e8e0d0;
  display: block;
}

.product-detail-desc { margin-bottom: 28px; }

.product-detail-desc-text {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* ---- Specs ---- */
.product-specs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  padding: 24px;
  background: #f9f5ee;
  border-radius: 10px;
}

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

.spec-key {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  min-width: 140px;
  font-weight: 600;
}

.spec-val {
  font-size: 0.9rem;
  color: var(--dark);
}

/* ---- Size Selector ---- */
.size-selector { margin-bottom: 28px; }

.size-selector-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-light);
  display: block;
  margin-bottom: 10px;
}

.size-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.size-opt {
  width: 48px;
  height: 48px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.size-opt:hover,
.size-opt--active {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--dark);
  font-weight: 600;
}

.size-help-link {
  font-size: 0.8rem;
  color: var(--gold-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.size-help-link:hover { color: var(--gold); }

/* ---- CTA ---- */
.product-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
  align-items: center;
}

.btn-wishlist {
  width: 52px;
  height: 52px;
  border: 1px solid #ddd;
  border-radius: 8px;
  color: var(--text-light);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
  background: none;
  cursor: pointer;
}

.btn-wishlist:hover {
  border-color: #e88;
  color: #e44;
  background: #fff5f5;
}

/* ---- Guarantees ---- */
.product-guarantees {
  display: flex;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid #e8e0d0;
  flex-wrap: wrap;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-light);
}

.guarantee-icon {
  color: var(--gold);
  font-size: 1rem;
}

/* ---- Related Products ---- */
.related-section {
  padding: 0 48px 100px;
  position: relative;
  z-index: 1;
}

.related-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .product-detail-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .back-bar {
    padding: 12px 20px;
    margin-top: 62px;
  }

  .product-detail {
    padding: 40px 20px 70px;
  }

  .related-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .product-cta { flex-wrap: wrap; }
  .product-guarantees { gap: 12px; }
  .spec-key { min-width: 110px; }
}

@media (max-width: 480px) {
  .product-detail { padding: 30px 16px 60px; }
  .product-detail-price { font-size: 1.8rem; }
}