/* ==============================================
   PRODUCT SINGLE PAGE STYLES
   ============================================== */
.single-product-container { padding-top: 30px; padding-bottom: 60px; }

/* Product Top Grid */
.product-top-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-bottom: 48px; }
@media (max-width: 900px) { .product-top-grid { grid-template-columns: 1fr; } }

/* Gallery */
.product-main-image { position: relative; background: #f8f9fa; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1/1; border: 1px solid var(--color-gray-200); }
.product-img-main { width: 100%; height: 100%; object-fit: contain; transition: transform .3s ease; padding: 12px; }
.product-img-main:hover { transform: scale(1.04); }
.product-badge-code { position: absolute; top: 14px; right: 14px; background: var(--color-dark); color: #fff; font-size: 10px; font-weight: 700; padding: 4px 10px; border-radius: var(--radius-full); letter-spacing: 0.05em; }
.product-no-image { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; color: var(--color-gray-300); gap: 12px; }
.product-thumbnails { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.product-thumb-btn { background: none; border: 2px solid var(--color-gray-200); border-radius: var(--radius); overflow: hidden; width: 68px; height: 68px; padding: 0; cursor: pointer; transition: border-color var(--transition); flex-shrink: 0; }
.product-thumb-btn.active { border-color: var(--color-primary); }
.product-thumb-btn:hover { border-color: var(--color-primary-light); }
.thumb-img { width: 100%; height: 100%; object-fit: cover; }

/* Product Info */
.product-info-col { display: flex; flex-direction: column; }
.product-categories { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.product-category-tag { background: rgba(211,47,47,.08); color: var(--color-primary); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; padding: 4px 10px; border-radius: var(--radius-full); text-decoration: none; transition: all var(--transition); }
.product-category-tag:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.product-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; color: var(--color-gray-900); line-height: 1.25; margin-bottom: 14px; letter-spacing: -0.02em; }
.product-code-display { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.code-label { font-size: 12px; font-weight: 700; color: var(--color-gray-500); text-transform: uppercase; letter-spacing: 0.08em; }
.code-value { background: var(--color-gray-100); color: var(--color-gray-700); font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: var(--radius); font-family: monospace; }
.product-stock { margin-bottom: 16px; }
.stock-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: var(--radius-full); }
.stock-available { background: #e8f5e9; color: #2e7d32; }
.stock-consult { background: #fff8e1; color: #f57f17; }
.product-excerpt { font-size: var(--font-size-base); color: var(--color-gray-600); line-height: 1.8; margin-bottom: 24px; }
.product-excerpt p { margin: 0; }
.product-meta-table { margin-bottom: 24px; }
.product-meta-table table { width: 100%; border-collapse: collapse; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-gray-200); }
.product-meta-table th { width: 35%; background: var(--color-gray-50); font-size: 12px; font-weight: 700; color: var(--color-gray-600); text-transform: uppercase; letter-spacing: 0.06em; padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--color-gray-200); }
.product-meta-table td { font-size: var(--font-size-sm); color: var(--color-gray-700); padding: 10px 14px; border-bottom: 1px solid var(--color-gray-100); }
.product-meta-table tr:last-child th,
.product-meta-table tr:last-child td { border-bottom: none; }
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.product-quote-btn { flex: 1; min-width: 200px; padding: 16px 28px; font-size: var(--font-size-base); }
.product-question-btn { font-size: var(--font-size-sm); padding: 16px 22px; }
.product-share { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.share-label { font-size: 12px; color: var(--color-gray-500); font-weight: 600; }
.share-btn { display: inline-flex; align-items: center; padding: 5px 12px; border-radius: var(--radius-full); font-size: 12px; font-weight: 600; text-decoration: none; transition: all var(--transition); }
.share-whatsapp { background: #e8f5e9; color: var(--color-whatsapp-dark); }
.share-whatsapp:hover { background: var(--color-whatsapp); color: #fff; text-decoration: none; }
.share-facebook { background: #e3f2fd; color: #1565c0; }
.share-facebook:hover { background: #1877f2; color: #fff; text-decoration: none; }

/* Tabs */
.product-tabs { margin-bottom: 48px; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--color-gray-200); overflow: hidden; }
.tabs-nav { display: flex; border-bottom: 2px solid var(--color-gray-100); background: var(--color-gray-50); }
.tab-btn { padding: 16px 24px; background: none; border: none; font-size: var(--font-size-sm); font-weight: 600; color: var(--color-gray-500); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; transition: all var(--transition); white-space: nowrap; }
.tab-btn:hover { color: var(--color-primary); background: rgba(211,47,47,.04); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); background: #fff; }
.tabs-content { padding: 32px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel[hidden] { display: none; }
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table th { background: var(--color-gray-50); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-gray-600); padding: 10px 16px; text-align: left; border-bottom: 1px solid var(--color-gray-200); }
.specs-table td { padding: 12px 16px; border-bottom: 1px solid var(--color-gray-100); font-size: var(--font-size-sm); color: var(--color-gray-700); }
.specs-table tr:last-child td { border-bottom: none; }
.product-full-description { font-size: var(--font-size-base); color: var(--color-gray-700); line-height: 1.8; }
.product-full-description p { margin-bottom: 16px; }
.product-full-description h2, .product-full-description h3 { font-weight: 700; margin: 24px 0 12px; color: var(--color-gray-900); }
.product-full-description ul { list-style: disc; padding-left: 24px; margin-bottom: 16px; }
.product-full-description li { margin-bottom: 8px; }
.quote-steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.quote-step { display: flex; gap: 16px; align-items: flex-start; }
.step-num { width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; flex-shrink: 0; }
.step-text strong { display: block; font-size: var(--font-size-sm); font-weight: 700; color: var(--color-gray-900); margin-bottom: 4px; }
.step-text p { font-size: var(--font-size-sm); color: var(--color-gray-500); line-height: 1.6; }

/* Related */
.related-products { margin-top: 60px; }
.related-products .section-title { font-size: var(--font-size-2xl); font-weight: 800; margin-bottom: 28px; }

@media (max-width: 768px) {
  .product-top-grid { gap: 24px; }
  .product-actions { flex-direction: column; }
  .product-quote-btn { width: 100%; }
  .tabs-nav { overflow-x: auto; }
  .tabs-content { padding: 20px; }
}