/* =========================================
   Product Page — Layout, Gallery, Sidebar,
   Related Products, Pack Suggestion
   ========================================= */

/* --- Layout --- */
.product-page {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad) var(--space-24);
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-16);
  align-items: start;
}
.product-right {
  position: sticky;
  top: 5rem;
}

/* --- Gallery --- */
.gallery {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.gallery-main {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
}
.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-image);
}
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
.gallery-thumb {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.6;
  border: 2px solid transparent;
  transition: opacity var(--transition-fast), border-color var(--transition-fast);
  background: none;
  padding: 0;
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-thumb:hover,
.gallery-thumb.is-active {
  opacity: 1;
}
.gallery-thumb.is-active {
  border-color: var(--color-brand);
}

/* --- Badge row --- */
.product-badge-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 550;
  line-height: 1.6;
}
.badge-dispo {
  background: rgba(52, 211, 153, 0.1);
  color: #059669;
}
.badge-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge-popular {
  background: rgba(155, 48, 255, 0.08);
  color: #7C3AED;
}
.badge-ondemand {
  background: rgba(251, 191, 36, 0.1);
  color: #B45309;
}

/* --- Title & subtitle --- */
.product-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
}
.product-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 1.75rem;
}

/* --- Pricing block (product page context) --- */
.pricing-block {
  margin-bottom: 1.5rem;
}
.pricing-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-light-subtle);
  font-size: var(--text-sm);
}
.pricing-label {
  color: var(--text-secondary);
}
.pricing-value {
  font-weight: 600;
  color: var(--text-primary);
}

/* --- CTA --- */
.btn-reserve {
  display: block;
  width: 100%;
  padding: 1rem;
  background: var(--gradient-brand);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  text-align: center;
  margin-top: 1.25rem;
}
.btn-reserve:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.reserve-note {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin: 0.75rem 0 0;
}

/* --- Trust signals inline --- */
.trust-inline {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.trust-inline-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.trust-inline-icon {
  flex-shrink: 0;
  color: var(--text-muted);
}

/* --- Specs --- */
.specs-section {
  margin-top: 1.75rem;
  border-top: 1px solid var(--color-light-subtle);
  padding-top: 1.75rem;
}
.specs-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
  font-weight: 600;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-light-subtle);
  font-size: var(--text-sm);
}
.spec-label {
  color: var(--text-secondary);
}
.spec-value {
  color: var(--text-primary);
  font-weight: 500;
}

/* --- Pack suggestion --- */
.pack-suggestion {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--color-dark-elevated);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  margin-top: 1.5rem;
}
.pack-suggestion:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.pack-suggestion-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(155, 48, 255, 0.15);
  color: var(--color-brand);
}
.pack-suggestion-text {
  flex: 1;
  min-width: 0;
}
.pack-suggestion-text h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  margin: 0 0 0.25rem;
}
.pack-suggestion-text p {
  font-size: 0.75rem;
  color: var(--text-light-dim);
  margin: 0;
  line-height: 1.5;
}
.pack-suggestion-arrow {
  flex-shrink: 0;
  font-size: 1.25rem;
  color: var(--text-light-dim);
  transition: transform var(--transition-fast);
}
.pack-suggestion:hover .pack-suggestion-arrow {
  transform: translateX(3px);
}

/* --- Product description --- */
.product-description {
  max-width: 720px;
  margin-top: var(--space-12);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-secondary);
}
.product-description h2,
.product-description h3 {
  color: var(--text-primary);
  margin: var(--space-8) 0 var(--space-3);
}
.product-description p {
  margin: 0 0 var(--space-4);
}
.product-description ul,
.product-description ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

/* --- Related products --- */
.related-section {
  margin-top: var(--space-24);
}
.related-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.related-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  margin: 0 0 2rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.r-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-light-subtle);
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: block;
}
.r-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.r-card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-light-subtle);
}
.r-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-image);
  display: block;
}
.r-card:hover .r-card-img img {
  transform: scale(1.03);
}
.r-card-body {
  padding: 1rem 1.25rem 1.25rem;
}
.r-card-cat {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.r-card-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}
.r-card-price {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.r-card-price strong {
  color: var(--text-primary);
}

/* === Mobile === */
@media (max-width: 900px) {
  .product-page {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: 0 var(--container-pad-mobile) var(--space-8);
  }
  .product-right {
    position: static;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .gallery-thumbs {
    gap: 0.5rem;
  }
  .product-title {
    font-size: var(--text-2xl);
  }
}