/* ============================================
   PRODUCT PAGE SPECIFIC STYLES
   ============================================ */

/* ============================================
   PRODUCT HERO - MOBILE FIRST
   ============================================ */

        .product-hero {
            padding: 84px 0 40px;
            background: var(--gray-50);
            position: relative;
        }

        .product-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(to right, var(--accent-yellow) 33%, var(--accent-orange) 33% 66%, var(--accent-red) 66%);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            font-size: 12px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--gray-500);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb span {
            color: var(--gray-400);
        }

        .breadcrumb-current {
            color: var(--gray-800);
        }

        .product-hero-grid {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        /* Product Gallery */
        .product-gallery {
            position: relative;
        }

        .product-gallery-main {
            aspect-ratio: 4/3;
            background: var(--white);
            border: 1px solid var(--gray-200);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }

        .product-gallery-main img {
            max-width: 90%;
            max-height: 90%;
            object-fit: contain;
        }

        .product-gallery-placeholder {
            width: 100%;
            height: 100%;
            background: var(--gray-100);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 16px;
            color: var(--gray-400);
        }

        .product-gallery-placeholder svg {
            width: 64px;
            height: 64px;
        }

        .product-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 8px 16px;
            background: var(--primary);
            color: var(--white);
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .product-badge--new {
            background: var(--success);
        }

        .product-gallery-thumbs {
            display: flex;
            gap: 8px;
            margin-top: 12px;
            overflow-x: auto;
            padding-bottom: 8px;
        }

        .product-thumb {
            width: 64px;
            height: 64px;
            background: var(--white);
            border: 2px solid var(--gray-200);
            flex-shrink: 0;
            cursor: pointer;
            transition: border-color 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .product-thumb.active,
        .product-thumb:hover {
            border-color: var(--primary);
        }

        .product-thumb img {
            max-width: 80%;
            max-height: 80%;
            object-fit: contain;
        }

        /* Product Info */
        .product-info {
            display: flex;
            flex-direction: column;
        }

        .product-category {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .product-title {
            font-family: var(--font-display);
            font-size: 36px;
            line-height: 1;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--gray-900);
            margin-bottom: 16px;
        }

        .product-subtitle {
            font-size: 16px;
            color: var(--gray-600);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .product-features-quick {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }

        .product-feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--white);
            border: 1px solid var(--gray-200);
            font-size: 12px;
            font-weight: 600;
            color: var(--gray-700);
        }

        .product-feature-tag svg {
            width: 14px;
            height: 14px;
            color: var(--primary);
        }

        .product-highlights {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 24px;
            background: var(--white);
            border: 1px solid var(--gray-200);
            margin-bottom: 24px;
        }

        .product-highlight {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .product-highlight-icon {
            width: 24px;
            height: 24px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .product-highlight-icon svg {
            width: 14px;
            height: 14px;
            color: var(--white);
        }

        .product-highlight p {
            font-size: 14px;
            color: var(--gray-700);
            line-height: 1.5;
        }

        .product-highlight strong {
            color: var(--gray-900);
        }

        .product-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .product-actions .btn {
            width: 100%;
        }

        .product-stock {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
            padding: 12px 16px;
            background: rgba(40, 167, 69, 0.1);
            border-left: 3px solid var(--success);
        }

        .product-stock-dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
        }

        .product-stock span {
            font-size: 13px;
            font-weight: 600;
            color: var(--success);
        }

        /* ============================================
           PRODUCT DETAILS TABS - MOBILE FIRST
           ============================================ */

        .product-details {
            padding: var(--section-gap) 0;
            background: var(--white);
        }

        .product-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            border-bottom: 2px solid var(--gray-200);
            margin-bottom: 32px;
            overflow-x: auto;
        }

        .product-tab {
            padding: 16px 20px;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--gray-600);
            background: none;
            border: none;
            cursor: pointer;
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease;
        }

        .product-tab::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            transform: scaleX(0);
            transition: transform 0.2s ease;
        }

        .product-tab:hover {
            color: var(--gray-900);
        }

        .product-tab.active {
            color: var(--primary);
        }

        .product-tab.active::after {
            transform: scaleX(1);
        }

        .product-tab-content {
            display: none;
        }

        .product-tab-content.active {
            display: block;
        }

        /* Description Tab */
        .product-description h3 {
            font-family: var(--font-display);
            font-size: 26px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--gray-900);
            margin-bottom: 20px;
        }

        .product-description p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--gray-600);
            margin-bottom: 20px;
        }

        .product-description ul {
            list-style: none;
            margin-bottom: 24px;
        }

        .product-description ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--gray-700);
            border-bottom: 1px solid var(--gray-100);
        }

        .product-description ul li:last-child {
            border-bottom: none;
        }

        .product-description ul li::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--primary);
            flex-shrink: 0;
            margin-top: 8px;
        }

        /* Specs Tab */
        .specs-table {
            width: 100%;
            border-collapse: collapse;
        }

        .specs-table tr {
            border-bottom: 1px solid var(--gray-200);
        }

        .specs-table th,
        .specs-table td {
            padding: 16px;
            text-align: left;
            font-size: 14px;
        }

        .specs-table th {
            background: var(--gray-50);
            font-weight: 600;
            color: var(--gray-700);
            width: 40%;
        }

        .specs-table td {
            color: var(--gray-800);
        }

        .specs-table .spec-highlight {
            color: var(--primary);
            font-weight: 600;
        }

        /* Variants Table */
        .variants-table-wrap {
            overflow-x: auto;
            margin-top: 32px;
        }

        .variants-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .variants-table thead {
            background: var(--gray-900);
        }

        .variants-table th {
            padding: 14px 16px;
            text-align: left;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--white);
        }

        .variants-table tbody tr {
            border-bottom: 1px solid var(--gray-200);
            transition: background 0.2s ease;
        }

        .variants-table tbody tr:hover {
            background: var(--gray-50);
        }

        .variants-table td {
            padding: 14px 16px;
            font-size: 14px;
            color: var(--gray-700);
        }

        .variants-table td:first-child {
            font-weight: 600;
            color: var(--gray-900);
        }

        /* Applications Tab */
        .applications-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .application-card {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: var(--gray-50);
            border-left: 4px solid var(--primary);
        }

        .application-icon {
            width: 56px;
            height: 56px;
            background: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .application-icon svg {
            width: 28px;
            height: 28px;
            color: var(--primary);
        }

        .application-content h4 {
            font-family: var(--font-display);
            font-size: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--gray-900);
            margin-bottom: 8px;
        }

        .application-content p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--gray-600);
        }

        /* Downloads Tab */
        .downloads-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .download-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px;
            background: var(--gray-50);
            border: 1px solid var(--gray-200);
            transition: all 0.2s ease;
        }

        .download-item:hover {
            border-color: var(--primary);
            background: var(--white);
        }

        .download-icon {
            width: 48px;
            height: 48px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .download-icon svg {
            width: 24px;
            height: 24px;
            color: var(--white);
        }

        .download-info {
            flex: 1;
        }

        .download-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--gray-900);
            margin-bottom: 4px;
        }

        .download-info span {
            font-size: 12px;
            color: var(--gray-500);
        }

        .download-btn {
            width: 40px;
            height: 40px;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }

        .download-item:hover .download-btn {
            background: var(--primary);
        }

        .download-btn svg {
            width: 20px;
            height: 20px;
            color: var(--gray-600);
            transition: color 0.2s ease;
        }

        .download-item:hover .download-btn svg {
            color: var(--white);
        }

        /* ============================================
           RELATED PRODUCTS - MOBILE FIRST
           ============================================ */

        .related-products {
            padding: var(--section-gap) 0;
            background: var(--gray-50);
        }

        .related-header {
            margin-bottom: 32px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .related-card {
            background: var(--white);
            border: 1px solid var(--gray-200);
            transition: all 0.3s ease;
        }

        .related-card:hover {
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }

        .related-card-image {
            aspect-ratio: 4/3;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            border-bottom: 1px solid var(--gray-200);
            overflow: hidden;
        }

        .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .related-card-image img {
            transform: scale(1.05);
        }

        .related-card-image svg {
            width: 48px;
            height: 48px;
            color: var(--gray-300);
        }

        .related-card-content {
            padding: 20px;
        }

        .related-card-title {
            font-family: var(--font-display);
            font-size: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--gray-900);
            margin-bottom: 8px;
        }

        .related-card-desc {
            font-size: 13px;
            color: var(--gray-600);
            line-height: 1.5;
            margin-bottom: 16px;
        }

        .related-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            color: var(--primary);
        }

        .related-card-link svg {
            width: 16px;
            height: 16px;
            transition: transform 0.2s ease;
        }

        .related-card:hover .related-card-link svg {
            transform: translateX(4px);
        }

        /* ============================================
           CTA SECTION
           ============================================ */

        .cta {
            padding: 48px 0;
            background: var(--gray-900);
            position: relative;
        }

        .cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(to right, var(--accent-yellow) 33%, var(--accent-orange) 33% 66%, var(--accent-red) 66%);
        }

        .cta-inner {
            display: flex;
            flex-direction: column;
            gap: 24px;
            text-align: center;
        }

        .cta-content h2 {
            font-family: var(--font-display);
            font-size: 28px;
            color: var(--white);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .cta-content p {
            font-size: 15px;
            color: var(--gray-400);
            margin-top: 8px;
        }

        .cta-buttons {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cta-buttons .btn {
            width: 100%;
        }

        /* ============================================
           TABLET (min-width: 640px)
           ============================================ */

        @media (min-width: 640px) {
            :root {
                --section-gap: 80px;
                --container-padding: 24px;
            }

            .section-title {
                font-size: 40px;
            }

            .product-hero {
                padding: 100px 0 48px;
            }

            .product-title {
                font-size: 44px;
            }

            .product-actions {
                flex-direction: row;
            }

            .product-actions .btn {
                width: auto;
                flex: 1;
            }

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

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

            .cta-inner {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                text-align: left;
            }

            .cta-buttons {
                flex-direction: row;
            }

            .cta-buttons .btn {
                width: auto;
            }
        }

        /* ============================================
           DESKTOP (min-width: 1024px)
           ============================================ */

        @media (min-width: 1024px) {
            :root {
                --section-gap: 100px;
            }

            .section-title {
                font-size: 50px;
            }

            /* Product Hero */
            .product-hero {
                padding: 160px 0 60px;
            }

            .product-hero-grid {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 60px;
                align-items: start;
            }

            .product-gallery-main {
                aspect-ratio: 1;
            }

            .product-thumb {
                width: 80px;
                height: 80px;
            }

            .product-title {
                font-size: 52px;
            }

            .product-subtitle {
                font-size: 17px;
            }

            /* Tabs */
            .product-tab {
                padding: 18px 28px;
                font-size: 14px;
            }

            .product-description h3 {
                font-size: 32px;
            }

            .applications-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .application-card {
                padding: 32px;
            }

            .downloads-list {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .related-grid {
                grid-template-columns: repeat(4, 1fr);
            }

            .related-card:hover {
                transform: translateY(-4px);
            }

            /* CTA */
            .cta {
                padding: 80px 0;
            }

            .cta-content h2 {
                font-size: 40px;
            }
        }

        /* ============================================
           LARGE DESKTOP (min-width: 1280px)
           ============================================ */

        @media (min-width: 1280px) {
            .product-hero-grid {
                gap: 80px;
            }

            .product-title {
                font-size: 60px;
            }
        }

        /* ============================================
           ANIMATIONS
           ============================================ */

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .product-gallery {
            animation: fadeInUp 0.6s ease 0.1s both;
        }

        .product-info {
            animation: fadeInUp 0.6s ease 0.2s both;
        }