:root {
            --primary: #2563eb;
            --primary-light: #3b82f6;
            --primary-dark: #1d4ed8;
            --secondary: #10b981;
            --secondary-light: #34d399;
            --accent: #f59e0b;
            --dark: #1f2937;
            --dark-light: #374151;
            --light: #f9fafb;
            --gray: #6b7280;
            --white: #ffffff;
            --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
            --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body.product-detail-page {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: var(--white);
            overflow-x: hidden;
            padding-top: 80px;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            line-height: 1.2;
        }
        
        /* ===== PRODUCT DETAIL PAGE SPECIFIC ===== */
        .product-detail-page .breadcrumb-custom {
            background: transparent;
            padding: 15px 0;
            margin-bottom: 20px;
        }
        
        .product-detail-page .breadcrumb-custom .breadcrumb-item {
            font-size: 0.9rem;
        }
        
        .product-detail-page .breadcrumb-custom .breadcrumb-item a {
            color: var(--primary);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .product-detail-page .breadcrumb-custom .breadcrumb-item a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        
        .product-detail-page .breadcrumb-custom .breadcrumb-item.active {
            color: var(--gray);
        }
        
        /* ===== PRODUCT MAIN CONTAINER ===== */
        .product-detail-page .product-main-container {
            background: white;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            padding: 30px;
            margin-bottom: 40px;
            border: 1px solid rgba(0,0,0,0.05);
            position: relative;
        }
        
        /* ===== SHOPEE STYLE IMAGE GALLERY ===== */
        .product-detail-page .product-gallery-container {
            position: sticky;
            top: 100px;
        }
        
        .product-detail-page .main-image-container {
            border: 1px solid rgba(0,0,0,0.1);
            border-radius: 15px;
            overflow: hidden;
            background: white;
            height: 450px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            margin-bottom: 20px;
            position: relative;
            cursor: zoom-in;
            transition: all 0.3s ease;
        }
        
        .product-detail-page .main-image-container:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        
        .product-detail-page .main-product-image {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            transition: transform 0.5s ease;
        }
        
        .product-detail-page .main-image-container:hover .main-product-image {
            transform: scale(1.02);
        }
        
        .product-detail-page .image-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--gradient-2);
            color: white;
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 2;
        }
        
        /* ===== THUMBNAIL SLIDER ===== */
        .product-detail-page .thumbnail-slider-container {
            padding: 10px 40px;
            position: relative;
        }
        
        .product-detail-page .thumbnail-slider {
            width: 100%;
        }
        
        .product-detail-page .thumbnail-item {
            padding: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .product-detail-page .thumbnail-img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border: 2px solid transparent;
            border-radius: 8px;
            padding: 4px;
            background: white;
            transition: all 0.3s ease;
        }
        
        .product-detail-page .thumbnail-item:hover .thumbnail-img,
        .product-detail-page .thumbnail-item.active .thumbnail-img {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: scale(1.05);
        }
        
        .product-detail-page .thumbnail-slider .swiper-button-next,
        .product-detail-page .thumbnail-slider .swiper-button-prev {
            width: 30px;
            height: 30px;
            background: white;
            border-radius: 50%;
            box-shadow: var(--shadow-md);
            color: var(--dark);
            top: 50%;
            transform: translateY(-50%);
        }
        
        .product-detail-page .thumbnail-slider .swiper-button-next:after,
        .product-detail-page .thumbnail-slider .swiper-button-prev:after {
            font-size: 14px;
            font-weight: bold;
        }
        
        /* ===== PRODUCT INFO ===== */
        .product-detail-page .product-info-container {
            padding-left: 40px;
        }
        
        .product-detail-page .product-title {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.3;
        }
        
        .product-detail-page .product-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--light);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .product-detail-page .product-category-badge:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }
        
        .product-detail-page .short-description {
            font-size: 1.1rem;
            color: var(--gray);
            line-height: 1.6;
            margin-bottom: 30px;
            padding-bottom: 25px;
            border-bottom: 2px solid var(--light);
        }

        
          .wave-container3 svg {
            width: 100%;
            height: 80px;
            display: block;
            margin-bottom: -48px;
            transform: scaleY(-1);
        }
        
        .wave-container3 svg path {
            fill: #3a3a3aa2;
            fill-opacity: 1;
        }
        
        /* ===== SPECIFICATIONS ===== */
        .product-detail-page .specifications-section {
            margin: 30px 0;
        }
        
        .product-detail-page .specifications-title {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .product-detail-page .specifications-table {
            background: var(--light);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid rgba(0,0,0,0.05);
        }
        
        .product-detail-page .spec-row {
            display: flex;
            padding: 12px 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        
        .product-detail-page .spec-row:last-child {
            border-bottom: none;
        }
        
        .product-detail-page .spec-key {
            flex: 0 0 200px;
            color: var(--dark-light);
            font-weight: 500;
            font-size: 0.95rem;
        }
        
        .product-detail-page .spec-value {
            flex: 1;
            color: var(--dark);
            font-weight: 600;
        }
        
        /* ===== ACTION BUTTONS ===== */
        .product-detail-page .action-buttons-container {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 2px solid var(--light);
        }
        
        .product-detail-page .action-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        
        .product-detail-page .btn-whatsapp {
                 background: linear-gradient(
                            135deg,
                            #FFF4B0,
                            #E6C85C,
                            #D4AF37,
                            #B9962E,
                            #FFF4B0
                            );
            color: white;
            border: none;
            padding: 15px 35px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
            text-decoration: none;
            box-shadow: var(--shadow-md);
        }
        
        .product-detail-page .btn-whatsapp:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            color: white;
        }
        
        .product-detail-page .btn-inquiry {
            background: white;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 15px 35px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        
        .product-detail-page .btn-inquiry:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        
        /* ===== DESCRIPTION TABS ===== */
        .product-detail-page .description-tabs-container {
            background: white;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            overflow: hidden;
            margin-bottom: 40px;
            border: 1px solid rgba(0,0,0,0.05);
        }
        
        .product-detail-page .nav-tabs-custom {
            background: var(--light);
            border-bottom: 2px solid var(--light);
            padding: 0;
        }
        
        .product-detail-page .nav-tabs-custom .nav-link {
            border: none;
            color: var(--gray);
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 30px;
            border-radius: 0;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .product-detail-page .nav-tabs-custom .nav-link:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.05);
        }
        
        .product-detail-page .nav-tabs-custom .nav-link.active {
            color: var(--primary);
            background: white;
            border-bottom: 3px solid var(--primary);
        }
        
        .product-detail-page .tab-content-container {
            padding: 40px;
        }
        
        .product-detail-page .full-description {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--dark-light);
        }
        
        .product-detail-page .full-description p {
            margin-bottom: 20px;
        }
        
        .product-detail-page .full-description ul,
        .product-detail-page .full-description ol {
            margin-bottom: 20px;
            padding-left: 20px;
        }
        
        /* ===== RELATED PRODUCTS ===== */
        .product-detail-page .related-products-section {
            margin-top: 60px;
        }
        
        .product-detail-page .section-title {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 40px;
            text-align: center;
            position: relative;
        }
        
        .product-detail-page .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--gradient-1);
            border-radius: 2px;
        }
        
        .product-detail-page .related-products-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            margin-bottom: 50px;
        }
        
        .product-detail-page .related-product-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-md);
            position: relative;
            height: 100%;
            border: 1px solid rgba(0,0,0,0.05);
            text-decoration: none;
            color: inherit;
        }
        
        .product-detail-page .related-product-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary-light);
        }
        
        .product-detail-page .related-product-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
            padding: 15px;
        }
        
        .product-detail-page .related-product-content {
            padding: 20px;
        }
        
        .product-detail-page .related-product-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
            line-height: 1.4;
            height: 45px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-box-orient: vertical;
        }
        
        .product-detail-page .related-product-category {
            display: inline-block;
            background: var(--light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        /* ===== IMAGE ZOOM MODAL ===== */
        .product-detail-page .image-zoom-modal .modal-dialog {
            max-width: 90%;
            max-height: 90vh;
            margin: auto;
        }
        
        .product-detail-page .image-zoom-modal .modal-content {
            background: transparent;
            border: none;
        }
        
        .product-detail-page .zoomed-image-container {
            position: relative;
            width: 100%;
            height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,0,0,0.8);
            border-radius: 10px;
        }
        
        .product-detail-page .zoomed-image {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        .product-detail-page .zoom-close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--dark);
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            transition: all 0.3s ease;
            z-index: 1000;
        }
        
        .product-detail-page .zoom-close-btn:hover {
            background: var(--primary);
            color: white;
            transform: rotate(90deg);
        }
        
        /* ===== RESPONSIVE DESIGN ===== */
        @media (max-width: 1199px) {
            .product-detail-page .product-title {
                font-size: 2rem;
            }
            
            .product-detail-page .related-products-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        @media (max-width: 991px) {
            .product-detail-page .product-main-container {
                padding: 20px;
            }
            
            .product-detail-page .product-info-container {
                padding-left: 0;
                margin-top: 40px;
            }
            
            .product-detail-page .product-gallery-container {
                position: static;
                margin-bottom: 0;
            }
            
            .product-detail-page .main-image-container {
                height: 400px;
            }
            
            .product-detail-page .product-title {
                font-size: 1.8rem;
            }
            
            .product-detail-page .related-products-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .product-detail-page .action-buttons {
                flex-direction: column;
            }
            
            .product-detail-page .btn-whatsapp,
            .product-detail-page .btn-inquiry {
                width: 100%;
                justify-content: center;
            }
        }
        
        @media (max-width: 767px) {
            .product-detail-page body {
                padding-top: 70px;
            }
            
            .product-detail-page .main-image-container {
                height: 350px;
            }
            
            .product-detail-page .thumbnail-img {
                width: 60px;
                height: 60px;
            }
            
            .product-detail-page .thumbnail-slider-container {
                padding: 10px 30px;
            }
            
            .product-detail-page .product-title {
                font-size: 1.6rem;
            }
            
            .product-detail-page .tab-content-container {
                padding: 25px;
            }
            
            .product-detail-page .nav-tabs-custom .nav-link {
                padding: 15px 20px;
                font-size: 0.95rem;
            }
            
            .product-detail-page .spec-row {
                flex-direction: column;
                gap: 5px;
            }
            
            .product-detail-page .spec-key {
                flex: none;
            }
            
            .product-detail-page .related-products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }
            
            .product-detail-page .related-product-image {
                height: 150px;
            }
        }
        
        @media (max-width: 576px) {
            .product-detail-page .product-main-container {
                padding: 15px;
            }
            
            .product-detail-page .main-image-container {
                height: 300px;
            }
            
            .product-detail-page .product-title {
                font-size: 1.4rem;
            }
            
            .product-detail-page .related-products-grid {
                grid-template-columns: 1fr;
            }
            
            .product-detail-page .tab-content-container {
                padding: 20px;
            }
            
            .product-detail-page .section-title {
                font-size: 1.5rem;
            }
        }
        
        /* ===== FLOATING BACK TO TOP ===== */
        .product-detail-page .floating-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--gradient-1);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            text-decoration: none;
            box-shadow: var(--shadow-xl);
            transition: all 0.3s ease;
            z-index: 999;
            opacity: 0;
            transform: translateY(20px);
        }
        
        .product-detail-page .floating-btn.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .product-detail-page .floating-btn:hover {
            transform: translateY(-5px) scale(1.1);
            color: white;
        }
        
        /* ===== CUSTOM SCROLLBAR ===== */
        .product-detail-page ::-webkit-scrollbar {
            width: 8px;
        }
        
        .product-detail-page ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        
        .product-detail-page ::-webkit-scrollbar-thumb {
            background: var(--gradient-1);
            border-radius: 4px;
        }
        
        .product-detail-page ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
        }