/* Breadcrumb */
        .breadcrumb { background: var(--gray-light); padding: 1rem 0; margin-bottom: 2rem; }
        .breadcrumb ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
        .breadcrumb li { display: flex; align-items: center; }
        .breadcrumb li:not(:last-child):after { content: "›"; margin-left: 0.5rem; color: var(--text-light); }
        .breadcrumb a { color: var(--primary-color); text-decoration: none; transition: var(--transition); }
        .breadcrumb a:hover { color: var(--primary-light); text-decoration: underline; }
        
        .product-detail-section {
            padding: 4rem 0;
            background: #f8f9fa;
        }
        
        .product-gallery {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }
        
        .main-image {
            width: 100%;
            height: 400px;
            object-fit: contain;
            background: #f8f9fa;
            border-radius: 8px;
            margin-bottom: 1rem;
        }
        
        .thumbnail-images {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .thumbnail {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 6px;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.3s ease;
        }
        
        .thumbnail:hover,
        .thumbnail.active {
            border-color: #2c5aa0;
        }
        
        .product-info {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }
        
        .product-title {
            font-size: 2rem;
            font-weight: 700;
            color: #2d3748;
            margin-bottom: 1rem;
        }
        
        .product-meta {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #e9ecef;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #718096;
        }
        
        .product-description {
            font-size: 1rem;
            line-height: 1.7;
            color: #4a5568;
            margin-bottom: 2rem;
        }
        
        .specifications {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .spec-item {
            display: flex;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid #e9ecef;
        }
        
        .spec-item:last-child {
            border-bottom: none;
        }
        
        .spec-label {
            font-weight: 500;
            color: #4a5568;
        }
        
        .spec-value {
            color: #718096;
        }
        
        .action-buttons {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }
        
        .btn-contact {
            background: #2c5aa0;
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 500;
            transition: background 0.3s ease;
            flex: 1;
            text-align: center;
        }
        
        .btn-contact:hover {
            background: #1a4177;
            color: white;
        }
        
        .btn-whatsapp {
            background: #25D366;
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 500;
            transition: background 0.3s ease;
            flex: 1;
            text-align: center;
        }
        
        .btn-whatsapp:hover {
            background: #128C7E;
            color: white;
        }
        
        .related-products {
            padding: 4rem 0;
            background: white;
        }
        
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #2d3748;
            margin-bottom: 2rem;
            text-align: center;
        }
        
        .related-product-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            border: 1px solid #e9ecef;
            height: 100%;
        }
        
        .related-product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.12);
            border-color: #2c5aa0;
        }
        
        .related-product-image {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }
        
        .related-product-body {
            padding: 1.5rem;
        }
        
        .related-product-title {
            font-size: 1rem;
            font-weight: 600;
            color: #2d3748;
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }
        
        .related-product-title a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        
        .related-product-title a:hover {
            color: #2c5aa0;
        }
        
        .view-details-btn {
            display: block;
            width: 100%;
            background: #2c5aa0;
            color: white;
            border: none;
            padding: 0.75rem;
            border-radius: 8px;
            text-align: center;
            text-decoration: none;
            font-weight: 500;
            transition: background 0.3s ease;
            margin-top: 1rem;
        }
        
        .view-details-btn:hover {
            background: #1a4177;
            color: white;
        }
        
        @media (max-width: 768px) {
            .product-title {
                font-size: 1.5rem;
            }
            
            .main-image {
                height: 300px;
            }
            
            .action-buttons {
                flex-direction: column;
            }
            
            .thumbnail {
                width: 60px;
                height: 60px;
            }
        }