/* Border PPE Premium Theme */
    :root {
        --primary-light: #e63946;
        --accent-dark: #e6af00;

        --gray-400: #9ca3af;

        --border-color: #e0e4ea;

        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
        --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);

        --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: var(--font-body);
        background: var(--white);
        color: var(--black);
        line-height: 1.6;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    /* ============================================
       BREADCRUMB
       ============================================ */

    .breadcrumb {
        padding: 24px 40px;
        background: var(--gray-50);
        border-bottom: 1px solid var(--border-color);
    }

    .breadcrumb-container {
        max-width: 1400px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 14px;
    }

    .breadcrumb a {
        color: var(--gray-700);
        text-decoration: none;
        transition: color var(--transition-base);
    }

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

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

    .breadcrumb-current {
        color: var(--black);
        font-weight: 600;
    }

    /* ============================================
       PRODUCT SECTION
       ============================================ */

    .product-section {
        padding: 60px 0 80px;
        background: var(--white);
    }

    .product-container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 40px;
    }

    .product-main {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        margin-bottom: 80px;
    }

    /* ============================================
       IMAGE GALLERY
       ============================================ */

    .product-gallery {
        position: sticky;
        top: 120px;
        align-self: start;
    }

    .main-image-wrapper {
        position: relative;
        background: var(--white);
        border: 1px solid var(--border-color);
        border-radius: 5px;
        padding: 40px;
        margin-bottom: 20px;
        overflow: hidden;
        cursor: zoom-in;
        box-shadow: var(--shadow-md);
    }

    .main-image {
        width: 100%;
        height: auto;
        display: block;
        transition: transform var(--transition-slow);
    }

    .main-image-wrapper:hover .main-image {
        transform: scale(1.2);
    }

    .zoom-badge {
        position: absolute;
        top: 20px;
        right: 20px;
        background: rgba(0, 0, 0, 0.7);
        color: var(--white);
        padding: 8px 16px;
        border-radius: 5px;
        font-size: 13px;
        font-weight: 600;
        backdrop-filter: blur(10px);
    }

    .thumbnail-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }

    .thumbnail {
        background: var(--white);
        border: 2px solid var(--border-color);
        border-radius: 5px;
        padding: 12px;
        cursor: pointer;
        transition: all var(--transition-base);
    }

    .thumbnail:hover {
        border-color: var(--primary);
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }

    .thumbnail.active {
        border-color: var(--primary);
        box-shadow: var(--shadow-sm);
    }

    .thumbnail img {
        width: 100%;
        height: auto;
        display: block;
    }

    /* ============================================
       LIGHTBOX
       ============================================ */

    .lightbox {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.97);
        z-index: 9999;
        backdrop-filter: blur(30px);
        padding: 60px;
    }

    .lightbox.active {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .lightbox-content {
        position: relative;
        width: 100%;
        max-width: 1200px;
        height: 85vh;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .lightbox-image {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
        border-radius: 8px;
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    .lightbox-close {
        position: absolute;
        top: -50px;
        right: 0;
        background: var(--white);
        color: var(--black);
        border: none;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        font-size: 24px;
        cursor: pointer;
        transition: all var(--transition-base);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-lg);
    }

    .lightbox-close:hover {
        background: var(--primary);
        color: var(--white);
        transform: rotate(90deg);
    }

    .lightbox-nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        background: rgba(255, 255, 255, 0.95);
        color: var(--black);
        border: none;
        width: 64px;
        height: 64px;
        border-radius: 50%;
        font-size: 24px;
        cursor: pointer;
        transition: all var(--transition-base);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-xl);
        backdrop-filter: blur(10px);
    }

    .lightbox-nav:hover {
        background: var(--primary);
        color: var(--white);
        transform: translateY(-50%) scale(1.1);
    }

    .lightbox-nav:active {
        transform: translateY(-50%) scale(0.95);
    }

    .lightbox-prev {
        left: 40px;
    }

    .lightbox-next {
        right: 40px;
    }

    .lightbox-thumbnails {
        position: absolute;
        bottom: -80px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 16px;
        padding: 20px 32px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 12px;
        backdrop-filter: blur(20px);
    }

    .lightbox-thumb {
        width: 100px;
        height: 100px;
        border: 3px solid rgba(255, 255, 255, 0.5);
        border-radius: 8px;
        cursor: pointer;
        opacity: 0.5;
        transition: all var(--transition-base);
        overflow: hidden;
    }

    .lightbox-thumb:hover {
        opacity: 0.8;
        border-color: rgba(255, 255, 255, 0.8);
        transform: translateY(-4px);
    }

    .lightbox-thumb.active {
        opacity: 1;
        border-color: var(--accent);
        box-shadow: 0 0 20px rgba(255, 195, 0, 0.5);
    }

    .lightbox-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .lightbox-counter {
        position: absolute;
        top: -50px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(255, 255, 255, 0.15);
        color: var(--white);
        padding: 12px 24px;
        border-radius: 25px;
        font-family: var(--font-display);
        font-size: 16px;
        font-weight: 700;
        letter-spacing: 0.05em;
        backdrop-filter: blur(10px);
    }

    /* ============================================
       PRODUCT INFO
       ============================================ */

    .product-info {
        padding-top: 20px;
    }

    .product-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 20px;
        background: var(--primary);
        color: var(--white);
        border-radius: 5px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        margin-bottom: 20px;
    }

    .product-title {
        font-family: var(--font-display);
        font-size: clamp(32px, 4vw, 48px);
        font-weight: 900;
        letter-spacing: -0.01em;
        text-transform: uppercase;
        color: var(--black);
        margin-bottom: 12px;
        line-height: 1.1;
    }

    .product-code {
        font-family: var(--font-display);
        font-size: 16px;
        font-weight: 700;
        color: var(--gray-600);
        letter-spacing: 0.08em;
        margin-bottom: 24px;
    }

    .product-rating {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 24px;
        padding-bottom: 24px;
        border-bottom: 1px solid var(--border-color);
    }

    .stars {
        display: flex;
        gap: 4px;
        color: var(--accent);
        font-size: 18px;
    }

    .rating-text {
        font-size: 14px;
        color: var(--gray-700);
    }

    .bulk-order-banner {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 20px 24px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        border-radius: 8px;
        margin-bottom: 32px;
        box-shadow: var(--shadow-lg);
        position: relative;
        overflow: hidden;
    }

    .bulk-order-banner::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(255, 195, 0, 0.2) 0%, transparent 70%);
    }

    .bulk-order-icon {
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.15);
        border-radius: 8px;
        font-size: 22px;
        color: var(--accent);
        flex-shrink: 0;
        backdrop-filter: blur(10px);
        position: relative;
        z-index: 1;
    }

    .bulk-order-content {
        flex: 1;
        position: relative;
        z-index: 1;
    }

    .bulk-order-title {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 900;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        color: var(--white);
        margin-bottom: 0;
    }

    .product-description {
        font-size: 16px;
        line-height: 1.8;
        color: var(--gray-700);
        margin-bottom: 32px;
    }

    .product-features {
        background: var(--gray-50);
        border: 1px solid var(--border-color);
        border-radius: 5px;
        padding: 28px;
        margin-bottom: 32px;
    }

    .features-title {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 900;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        color: var(--black);
        margin-bottom: 20px;
    }

    .features-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .feature-item {
        display: flex;
        align-items: start;
        gap: 12px;
        font-size: 15px;
        line-height: 1.6;
        color: var(--gray-700);
    }

    .feature-icon {
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--primary);
        color: var(--white);
        border-radius: 3px;
        font-size: 12px;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .product-actions {
        display: flex;
        gap: 16px;
        margin-bottom: 32px;
    }

    .quantity-selector {
        display: flex;
        align-items: center;
        border: 1px solid var(--border-color);
        border-radius: 5px;
        overflow: hidden;
        background: var(--white);
    }

    .qty-btn {
        width: 48px;
        height: 56px;
        background: var(--white);
        border: none;
        color: var(--black);
        font-size: 20px;
        cursor: pointer;
        transition: all var(--transition-base);
    }

    .qty-btn:hover {
        background: var(--gray-100);
        color: var(--primary);
    }

    .qty-input {
        width: 80px;
        height: 56px;
        border: none;
        border-left: 1px solid var(--border-color);
        border-right: 1px solid var(--border-color);
        text-align: center;
        font-size: 18px;
        font-weight: 600;
    }

    .btn-request-quote {
        width: 100%;
        padding: 20px 48px;
        background: var(--primary);
        color: var(--white);
        border: 1px solid var(--primary);
        border-radius: 5px;
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 800;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        cursor: pointer;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-md);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
    }

    .btn-request-quote:hover {
        background: var(--black);
        border-color: var(--black);
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }

    .btn-request-quote i {
        font-size: 20px;
    }

    .quick-contact-options {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        margin-top: 24px;
    }

    .quick-contact-btn {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px 20px;
        background: var(--gray-50);
        border: 1px solid var(--border-color);
        border-radius: 5px;
        font-size: 14px;
        font-weight: 600;
        color: var(--black);
        text-decoration: none;
        transition: all var(--transition-base);
    }

    .quick-contact-btn:hover {
        background: var(--white);
        border-color: var(--primary);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .quick-contact-btn i {
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--primary);
        color: var(--white);
        border-radius: 5px;
        font-size: 14px;
        flex-shrink: 0;
    }

    .product-meta {
        display: flex;
        flex-direction: column;
        gap: 16px;
        padding: 24px 0;
        /* border-top: 1px solid var(--border-color); */
    }

    .meta-item {
        display: flex;
        gap: 12px;
        font-size: 15px;
    }

    .meta-label {
        font-weight: 600;
        color: var(--black);
        min-width: 120px;
    }

    .meta-value {
        color: var(--gray-700);
    }

    .meta-value a {
        color: var(--primary);
        text-decoration: none;
        transition: color var(--transition-base);
    }

    .meta-value a:hover {
        color: var(--primary-dark);
    }

    /* ============================================
       PRODUCT TABS
       ============================================ */

    .product-tabs {
        margin-bottom: 80px;
    }

    .tabs-header {
        display: flex;
        gap: 8px;
        border-bottom: 2px solid var(--border-color);
        margin-bottom: 40px;
    }

    .tab-btn {
        padding: 16px 32px;
        background: transparent;
        border: none;
        border-bottom: 3px solid transparent;
        font-family: var(--font-display);
        font-size: 16px;
        font-weight: 800;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--gray-600);
        cursor: pointer;
        transition: all var(--transition-base);
        margin-bottom: -2px;
    }

    .tab-btn:hover {
        color: var(--black);
    }

    .tab-btn.active {
        color: var(--primary);
        border-bottom-color: var(--primary);
    }

    .tab-content {
        display: none;
    }

    .tab-content.active {
        display: block;
        animation: fadeIn 0.3s ease-in-out;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .tab-content h3 {
        font-family: var(--font-display);
        font-size: 24px;
        font-weight: 900;
        letter-spacing: 0.02em;
        text-transform: uppercase;
        color: var(--black);
        margin-bottom: 20px;
    }

    .tab-content p {
        font-size: 16px;
        line-height: 1.8;
        color: var(--gray-700);
        margin-bottom: 20px;
    }

    .specifications-table {
        width: 100%;
        border-collapse: collapse;
        background: var(--white);
        border: 1px solid var(--border-color);
        border-radius: 5px;
        overflow: hidden;
    }

    .specifications-table tr {
        border-bottom: 1px solid var(--border-color);
    }

    .specifications-table tr:last-child {
        border-bottom: none;
    }

    .specifications-table td {
        padding: 16px 24px;
        font-size: 15px;
    }

    .specifications-table td:first-child {
        font-weight: 600;
        color: var(--black);
        background: var(--gray-50);
        width: 35%;
    }

    .specifications-table td:last-child {
        color: var(--gray-700);
    }

    .size-chart {
        display: flex;
        gap: 12px;
        margin-top: 24px;
        flex-wrap: wrap;
    }

    .size-box {
        width: 60px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--white);
        border: 2px solid var(--border-color);
        border-radius: 5px;
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 700;
        color: var(--black);
        cursor: pointer;
        transition: all var(--transition-base);
    }

    .size-box:hover {
        border-color: var(--primary);
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }

    /* ============================================
       RELATED PRODUCTS SECTIONS
       ============================================ */

    .related-section {
        padding: 60px 0;
        background: var(--gray-50);
    }

    .related-container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 40px;
    }

    .section-header {
        text-align: center;
        margin-bottom: 50px;
    }

    .section-title {
        font-family: var(--font-display);
        font-size: clamp(28px, 4vw, 42px);
        font-weight: 900;
        letter-spacing: -0.01em;
        text-transform: uppercase;
        color: var(--black);
        margin-bottom: 12px;
        line-height: 1.1;
    }

    .section-subtitle {
        font-size: 16px;
        color: var(--gray-700);
    }

    .products-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }

    .product-card {
        background: var(--white);
        border: 1px solid var(--border-color);
        border-radius: 5px;
        overflow: hidden;
        transition: all var(--transition-slow);
        box-shadow: var(--shadow-sm);
    }

    .product-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary);
    }

    .product-card-image {
        position: relative;
        background: var(--white);
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
    }

    .product-card-image img {
        width: 100%;
        height: 200px;
        object-fit: contain;
        transition: transform var(--transition-slow);
    }

    .product-card:hover .product-card-image img {
        transform: scale(1.1);
    }

    .product-card-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--primary);
        color: var(--white);
        padding: 6px 12px;
        border-radius: 3px;
        font-size: 12px;
        font-weight: 700;
    }

    .product-card-content {
        padding: 24px;
    }

    .product-card-title {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 800;
        letter-spacing: 0.02em;
        text-transform: uppercase;
        color: var(--black);
        margin-bottom: 8px;
        line-height: 1.3;
    }

    .product-card-code {
        font-size: 13px;
        color: var(--gray-600);
        margin-bottom: 16px;
    }

    .product-card-actions {
        display: flex;
        gap: 10px;
    }

    .product-card-btn {
        flex: 0 0 60%;
        padding: 10px;
        background: var(--white);
        color: var(--black);
        border: 1px solid var(--border-color);
        border-radius: 5px;
        font-family: var(--font-display);
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        cursor: pointer;
        transition: all var(--transition-base);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .product-card-btn:hover {
        background: var(--primary);
        color: var(--white);
        border-color: var(--primary);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .product-card-quick-look {
        flex: 0 0 calc(40% - 10px);
        padding: 14px 8px;
        background: var(--gray-50);
        color: var(--black);
        border: 1px solid var(--border-color);
        border-radius: 5px;
        font-size: 20px;
        cursor: pointer;
        transition: all var(--transition-base);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .product-card-quick-look:hover {
        background: var(--accent);
        border-color: var(--accent);
        color: var(--black);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    /* ============================================
       FEATURES BANNER
       ============================================ */

    .features-banner {
        padding: 80px 0;
        background: var(--white);
    }

    .features-container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 40px;
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }

    .feature-card {
        text-align: center;
        padding: 32px 24px;
        background: var(--white);
        border: 1px solid var(--border-color);
        border-radius: 5px;
        transition: all var(--transition-base);
    }

    .feature-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary);
    }

    .feature-card-icon {
        width: 72px;
        height: 72px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--gray-100);
        border: 1px solid var(--border-color);
        color: var(--primary);
        border-radius: 5px;
        font-size: 32px;
        margin: 0 auto 20px;
        transition: all var(--transition-base);
    }

    .feature-card:hover .feature-card-icon {
        background: var(--primary);
        color: var(--white);
        transform: scale(1.1) rotate(-5deg);
    }

    .feature-card-title {
        font-family: var(--font-display);
        font-size: 18px;
        font-weight: 900;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        color: var(--black);
        margin-bottom: 12px;
    }

    .feature-card-text {
        font-size: 14px;
        line-height: 1.6;
        color: var(--gray-700);
    }

    /* ============================================
       RESPONSIVE
       ============================================ */

    @media (max-width: 1024px) {
        .product-main {
            grid-template-columns: 1fr;
            gap: 50px;
        }

        .product-gallery {
            position: relative;
            top: auto;
        }

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

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

    @media (max-width: 768px) {

        .breadcrumb,
        .product-container,
        .related-container,
        .features-container {
            padding: 0 24px;
        }

        .tabs-header {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .tab-btn {
            white-space: nowrap;
            padding: 12px 20px;
        }

        .products-grid {
            grid-template-columns: 1fr;
        }

        .features-grid {
            grid-template-columns: 1fr;
        }

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

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

        .quick-contact-options {
            grid-template-columns: 1fr;
        }

        .lightbox {
            padding: 40px 20px;
        }

        .lightbox-nav {
            width: 48px;
            height: 48px;
            font-size: 20px;
        }

        .lightbox-prev {
            left: 20px;
        }

        .lightbox-next {
            right: 20px;
        }

        .lightbox-thumbnails {
            bottom: -60px;
            padding: 12px 20px;
            gap: 12px;
        }

        .lightbox-thumb {
            width: 70px;
            height: 70px;
        }
    }

    @media (max-width: 480px) {

        .breadcrumb,
        .product-container,
        .related-container,
        .features-container {
            padding: 0 16px;
        }

        .lightbox-nav {
            width: 40px;
            height: 40px;
            font-size: 16px;
        }

        .lightbox-thumbnails {
            display: none;
        }
    }