:root {
            --primary: #db2777;
            --primary-hover: #be185d;
            --primary-light: #fdf2f8;
            --primary-border: #fbcfe8;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-color: #e2e8f0;
            --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --font-heading: 'Playfair Display', Georgia, serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.07);
        }

        /* RESET & BASE */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            color: #1e293b;
            background-color: #ffffff;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* (Header & navigation styles standardized in assets/site-header.css) */

        /* BREADCRUMB */
        .pdp-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: #64748b;
            margin: 20px 0 24px 0;
            flex-wrap: wrap;
        }
        .pdp-breadcrumb a {
            color: #64748b;
            text-decoration: none;
            transition: color 0.2s;
        }
        .pdp-breadcrumb a:hover {
            color: var(--primary);
        }
        .pdp-breadcrumb span {
            color: #cbd5e1;
        }

        /* ==================== 1. FIRST-SCREEN SHOWCASE ==================== */
        .pdp-showcase-section {
            margin-bottom: 48px;
        }
        .pdp-showcase-grid {
            display: grid;
            grid-template-columns: 88px minmax(520px, 640px) 1fr;
            gap: 24px 32px;
            align-items: start;
        }
        .pdp-showcase-grid > * {
            min-width: 0;
            max-width: 100%;
        }

        /* Col 1: Left Auxiliary Column */
        .pdp-aux-col {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-height: 700px;
            overflow-y: auto;
        }
        .pdp-aux-col::-webkit-scrollbar {
            width: 4px;
        }
        .pdp-aux-col::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }
        .aux-thumb-item {
            width: 80px;
            height: 106px;
            flex: 0 0 106px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1.5px solid #e2e8f0;
            cursor: pointer;
            transition: all 0.2s ease;
            background: #f8fafc;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 3px;
        }
        .aux-thumb-item:hover {
            border-color: #94a3b8;
            transform: translateY(-2px);
        }
        .aux-thumb-item.active,
        .aux-thumb-item[aria-current="true"] {
            border: 2px solid #0f172a !important;
            background: #ffffff;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
        }
        .aux-thumb-item img {
            max-width: 100%;
            max-height: 100%;
            width: auto;
            height: auto;
            object-fit: contain;
            display: block;
        }

        /* Col 2: Main Image Viewport (CONTAIN, Zero Cropping, Stable Height) */
        .pdp-main-viewport-col {
            position: relative;
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 12px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .pdp-main-image-viewport {
            position: relative;
            width: 100%;
            height: 660px;
            max-height: 75vh;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #f8fafc;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: zoom-in;
            padding: 8px;
        }
        .pdp-main-img {
            max-width: 100%;
            max-height: 100%;
            width: auto;
            height: auto;
            object-fit: contain;
            object-position: center center;
            transition: transform 0.3s ease, opacity 0.2s ease;
            display: block;
            margin: 0 auto;
        }
        .pdp-main-image-viewport:hover .pdp-main-img {
            transform: scale(1.02);
        }
        .zoom-hint-btn {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: #1e293b;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.76rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            pointer-events: none;
        }

        /* Col 3: Right Info Area */
        .pdp-details-column {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        /* Product title is the single special serif visual accent */
        .pdp-title {
            font-family: var(--font-heading);
            font-size: 2.05rem;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.25;
            letter-spacing: 0;
            text-transform: none;
        }
        .pdp-brief-desc {
            font-size: 0.92rem;
            color: #475569;
            line-height: 1.65;
            letter-spacing: 0;
        }

        /* 4 Core Specifications Table */
        .pdp-specs-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.86rem;
        }
        .specs-table tr {
            border-bottom: 1px solid #f1f5f9;
        }
        .specs-table tr:last-child {
            border-bottom: none;
        }
        .specs-label {
            width: 35%;
            padding: 10px 16px;
            background: #f8fafc;
            color: #64748b;
            font-weight: 600;
            border-right: 1px solid #f1f5f9;
        }
        .specs-value {
            padding: 10px 16px;
            color: #1e293b;
            font-weight: 600;
        }

        /* Action Buttons: WhatsApp & Size Guide Modal Trigger */
        .pdp-actions-row {
            display: flex;
            gap: 14px;
            align-items: stretch;
            margin-top: 4px;
        }
        .btn-whatsapp-primary {
            flex: 1.4;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: #25d366;
            color: #ffffff;
            padding: 13px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: 0;
            text-decoration: none;
            transition: all 0.2s ease;
            box-shadow: 0 4px 14px rgba(37, 211, 102, 0.28);
            border: 1.5px solid transparent;
        }
        .btn-whatsapp-primary:hover {
            background: #20ba5a;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(37, 211, 102, 0.36);
        }
        .btn-size-guide-secondary {
            flex: 1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #f8fafc;
            color: #1e293b;
            border: 1.5px solid #cbd5e1;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 700;
            letter-spacing: 0;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .btn-size-guide-secondary:hover {
            background: #ffffff;
            border-color: #94a3b8;
            color: #0f172a;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .btn-size-guide-secondary i {
            color: #475569;
            font-size: 0.95rem;
        }

        /* 4 Factual Status Items */
        .pdp-status-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding-top: 6px;
        }
        .status-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.84rem;
            color: #475569;
            font-weight: 500;
            letter-spacing: 0;
        }
        .status-item i {
            color: #10b981;
            font-size: 0.92rem;
            flex-shrink: 0;
        }

        /* ==================== 2. CONTINUOUS RUNNING MARQUEE ==================== */
        .pdp-section-wrap {
            margin-top: 48px;
            margin-bottom: 48px;
        }
        .section-title-simple {
            font-family: var(--font-sans);
            font-size: 1.35rem;
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 22px;
            letter-spacing: 0;
            text-transform: none;
        }
        .marquee-track-outer {
            width: 100%;
            overflow: hidden;
            position: relative;
            padding: 10px 0;
            background: #ffffff;
            border-radius: var(--radius-md);
            -webkit-mask-image: linear-gradient(to right, transparent, black 40px, black calc(100% - 40px), transparent);
            mask-image: linear-gradient(to right, transparent, black 40px, black calc(100% - 40px), transparent);
        }
        .marquee-track-inner {
            display: flex;
            width: max-content;
            gap: 18px;
            animation: continuousScroll 45s linear infinite;
        }
        .marquee-track-outer:hover .marquee-track-inner {
            animation-play-state: paused;
        }
        @keyframes continuousScroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        .marquee-item {
            flex: 0 0 auto;
            width: 215px;
            height: 290px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: #f8fafc;
            cursor: zoom-in;
            position: relative;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 6px;
        }
        .marquee-item:hover {
            transform: translateY(-4px);
            border-color: #94a3b8;
            box-shadow: var(--shadow-md);
            background: #ffffff;
        }
        .marquee-item img {
            max-width: 100%;
            max-height: 100%;
            width: auto;
            height: auto;
            object-fit: contain;
            object-position: center center;
            display: block;
            transition: transform 0.3s ease;
        }
        .marquee-item:hover img {
            transform: scale(1.03);
        }
        /* Detail micro craft images */
        .marquee-item.is-detail {
            padding: 0;
        }
        .marquee-item.is-detail img {
            width: 100%;
            height: 100%;
            max-width: 100%;
            max-height: 100%;
            object-fit: cover;
        }
        .marquee-item.detail-lining img {
            object-position: center 30%;
        }
        .marquee-item.detail-tulle img {
            object-position: center center;
        }
        .marquee-item.detail-bow img {
            object-position: center 38%;
        }

        /* ==================== 3. PRODUCT DETAILS & QUALITY DOCUMENTATION: 3-CARD LAYOUT ==================== */
        .pdp-details-doc-section {
            margin: 48px 0;
        }
        .details-doc-layout {
            display: grid;
            gap: 24px;
            align-items: stretch;
        }
        .details-doc-layout.has-cert {
            grid-template-columns: 1.15fr 0.95fr 1.15fr;
        }
        .details-doc-layout:not(.has-cert) {
            grid-template-columns: 1.2fr 1fr;
        }

        /* 3 Independent Cards with Subtle Border & White Background */
        .doc-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: border-color 0.2s ease;
        }
        .doc-card:hover {
            border-color: #cbd5e1;
        }

        .doc-card-title {
            font-family: var(--font-sans);
            font-size: 1.05rem;
            font-weight: 600;
            color: #0f172a;
            line-height: 1.4;
            letter-spacing: 0;
            margin-bottom: 14px;
            text-transform: none;
        }

        /* Card 1: Product Description & Construction Details */
        .doc-desc-card {
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
        }
        .doc-desc-card p {
            font-size: 0.91rem;
            color: #475569;
            line-height: 1.65;
            margin-bottom: 14px;
            letter-spacing: 0;
        }
        .doc-desc-card p:last-child {
            margin-bottom: 0;
        }
        .doc-divider {
            border: none;
            border-top: 1px solid var(--border-color);
            margin: 16px 0;
        }
        .doc-facts-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .doc-facts-list li {
            font-size: 0.88rem;
            color: #334155;
            line-height: 1.5;
            position: relative;
            padding-left: 14px;
            font-weight: 500;
            letter-spacing: 0;
        }
        .doc-facts-list li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: #64748b;
        }

        /* Card 2: Full-Bleed Craft Detail Photo Card */
        .doc-photo-card {
            padding: 0;
            overflow: hidden;
            position: relative;
            cursor: zoom-in;
            display: block;
        }
        .doc-photo-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center 65%;
            transition: transform 0.3s ease;
            display: block;
        }
        .doc-photo-card:hover img {
            transform: scale(1.03);
        }
        .doc-detail-badge,
        .doc-detail-caption {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(15, 23, 42, 0.75);
            color: #ffffff;
            font-size: 0.74rem;
            font-weight: 500;
            padding: 5px 10px;
            border-radius: 4px;
            backdrop-filter: blur(4px);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            pointer-events: none;
            letter-spacing: 0;
            line-height: 1.3;
            max-width: calc(100% - 24px);
        }

        /* Card 3: Quality Documentation */
        .cert-preview-wrapper {
            position: relative;
            width: 100%;
            height: 170px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #f8fafc;
            border: 1px solid var(--border-color);
            cursor: zoom-in;
            margin-bottom: 14px;
        }
        .cert-preview-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: top center;
            transition: transform 0.3s ease;
            display: block;
        }
        .cert-preview-wrapper:hover img {
            transform: scale(1.02);
        }
        .cert-zoom-btn {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(15, 23, 42, 0.75);
            color: #ffffff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            gap: 5px;
            pointer-events: none;
            letter-spacing: 0;
        }
        .cert-meta-info {
            font-family: var(--font-sans);
            font-size: 0.82rem;
            color: #475569;
            line-height: 1.45;
            margin-bottom: 10px;
        }
        .cert-agency {
            font-family: var(--font-sans);
            font-weight: 600;
            color: #0f172a;
            font-size: 0.88rem;
            margin-bottom: 2px;
            letter-spacing: 0;
        }
        .cert-report-no {
            font-family: var(--font-mono, monospace);
            font-weight: 600;
            color: #1e293b;
            font-size: 0.8rem;
            margin-bottom: 4px;
        }
        .cert-specs-text {
            font-size: 0.77rem;
            color: #64748b;
            line-height: 1.45;
        }
        .cert-results-wrap {
            margin-top: 8px;
            border-top: 1px solid #f1f5f9;
            padding-top: 8px;
        }
        .cert-results-table {
            width: 100%;
            border-collapse: collapse;
        }
        .cert-results-table td {
            padding: 5px 0;
            font-size: 0.8rem;
            border-bottom: 1px solid #f8fafc;
        }
        .cert-res-param {
            color: #334155;
            display: flex;
            align-items: center;
        }
        .cert-check-icon {
            color: #059669;
            font-size: 0.72rem;
            margin-right: 6px;
        }
        .cert-res-val {
            text-align: right;
            color: #0f172a;
            font-weight: 500;
        }
        .cert-footnote {
            font-size: 0.76rem;
            color: #64748b;
            font-style: italic;
            text-align: center;
            margin-top: 12px;
            padding-top: 8px;
            border-top: 1px solid #f1f5f9;
        }

        /* ==================== 4. SIZE GUIDE DIALOG MODAL ==================== */
        .size-guide-dialog {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            max-width: 100vw;
            max-height: 100vh;
            border: none;
            background: transparent;
            padding: 0;
            margin: 0;
            z-index: 3100;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .size-guide-dialog[open],
        .size-guide-dialog.active {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }
        .modal-dialog-backdrop {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 42, 0.55);
            backdrop-filter: blur(3px);
        }
        .modal-dialog-container {
            position: relative;
            z-index: 1;
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
            width: 90%;
            max-width: 640px;
            max-height: 85vh;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            transform: scale(0.96);
            transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .size-guide-dialog[open] .modal-dialog-container,
        .size-guide-dialog.active .modal-dialog-container {
            transform: scale(1);
        }
        .modal-dialog-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .modal-dialog-title {
            font-family: var(--font-sans);
            font-size: 1.18rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 4px;
            letter-spacing: 0;
            text-transform: none;
        }
        .modal-dialog-subtitle {
            font-size: 0.82rem;
            color: #64748b;
        }
        .modal-dialog-close-btn {
            background: none;
            border: none;
            font-size: 1.25rem;
            color: #64748b;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: all 0.2s;
        }
        .modal-dialog-close-btn:hover {
            color: #0f172a;
            background: #f1f5f9;
        }
        .modal-dialog-body {
            padding: 24px;
            overflow-y: auto;
        }
        .size-table-modal-wrap {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .size-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.88rem;
            text-align: center;
        }
        .size-table th {
            background: #f8fafc;
            color: #475569;
            font-weight: 700;
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-color);
            border-right: 1px solid #f1f5f9;
        }
        .size-table td {
            padding: 10px 14px;
            border-bottom: 1px solid #f1f5f9;
            border-right: 1px solid #f1f5f9;
            color: #1e293b;
        }
        .size-table tr:hover td {
            background: #fdf2f8;
        }
        .modal-size-note {
            font-size: 0.8rem;
            color: #64748b;
            margin-top: 14px;
            text-align: center;
        }

        /* ==================== 5. LIGHTBOX MODAL ==================== */
        .lightbox-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(10, 15, 25, 0.92);
            backdrop-filter: blur(8px);
            z-index: 3200;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.25s ease, visibility 0.25s ease;
        }
        .lightbox-modal.active {
            opacity: 1;
            visibility: visible;
        }
        .lightbox-content-box {
            position: relative;
            max-width: 90vw;
            max-height: 90vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .lightbox-img {
            max-width: 88vw;
            max-height: 82vh;
            width: auto;
            height: auto;
            object-fit: contain;
            border-radius: var(--radius-sm);
            box-shadow: 0 10px 35px rgba(0, 0, 0, 0.5);
        }
        .lightbox-caption {
            color: #f1f5f9;
            font-size: 0.88rem;
            font-weight: 500;
            margin-top: 12px;
            text-align: center;
        }
        .lightbox-close-btn {
            position: absolute;
            top: -42px;
            right: 0;
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #ffffff;
            font-size: 1.3rem;
            cursor: pointer;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }
        .lightbox-close-btn:hover {
            background: rgba(255, 255, 255, 0.3);
        }
        .lightbox-nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #ffffff;
            font-size: 1.3rem;
            cursor: pointer;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
            z-index: 10;
        }
        .lightbox-nav-btn:hover {
            background: rgba(255, 255, 255, 0.35);
        }
        .lightbox-prev { left: -60px; }
        .lightbox-next { right: -60px; }

        /* ==================== 6. RELATED PRODUCTS ==================== */
        .related-section-title {
            font-family: var(--font-sans);
            font-size: 1.35rem;
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 22px;
            letter-spacing: 0;
            text-transform: none;
        }
        .related-products-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .related-product-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all 0.25s ease;
            text-decoration: none;
            display: flex;
            flex-direction: column;
        }
        .related-product-card:hover {
            border-color: #94a3b8;
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .related-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 3/4;
            background: #f8fafc;
            overflow: hidden;
        }
        .related-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center top;
            transition: transform 0.3s ease;
        }
        .related-product-card:hover .related-img-wrap img {
            transform: scale(1.04);
        }
        .related-info {
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .related-sku {
            font-size: 0.75rem;
            color: #64748b;
            font-weight: 600;
        }
        .related-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: #1e293b;
            line-height: 1.3;
        }

        /* ==================== 7. FOOTER ==================== */
        .site-footer {
            background: #1c191b;
            color: #cbd5e1;
            padding: 56px 0 32px 0;
            margin-top: 70px;
            font-size: 0.88rem;
        }
        .footer-cols-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col-title {
            font-family: var(--font-sans);
            font-size: 1.05rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: 0;
            text-transform: none;
        }

        /* FLOATING CHAT PILL */
        .tutu-floating-chat-trigger {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1999;
            background: #ffffff;
            box-shadow: 0 4px 20px rgba(0,0,0,0.12);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px 6px 6px;
            text-decoration: none;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .tutu-floating-chat-trigger:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.18);
        }

        /* ==================== RESPONSIVE BREAKPOINTS ==================== */
        /* 2-COLUMN LAYOUT AT <= 1440px */
        @media (max-width: 1440px) {
            .pdp-showcase-grid {
                grid-template-columns: minmax(440px, 560px) 1fr;
                gap: 20px 32px;
            }
            .pdp-aux-col {
                grid-column: 1;
                grid-row: 2;
                flex-direction: row;
                width: 100%;
                max-height: none;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                padding-bottom: 6px;
            }
            .aux-thumb-item {
                width: 74px;
                height: 98px;
                flex: 0 0 74px;
                scroll-snap-align: start;
            }
            .pdp-main-viewport-col {
                grid-column: 1;
                grid-row: 1;
            }
            .pdp-main-image-viewport {
                height: 560px;
                max-height: 65vh;
            }
            .pdp-details-column {
                grid-column: 2;
                grid-row: 1 / span 2;
            }
        }

        /* TABLET / SMALL DESKTOP AT <= 1024px */
        @media (max-width: 1024px) {
            
            .pdp-main-image-viewport {
                height: 500px;
                max-height: 60vh;
            }
            .details-doc-layout,
            .details-doc-layout.has-cert,
            .details-doc-layout:not(.has-cert) {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .doc-desc-card {
                order: 1;
            }
            .doc-photo-card {
                order: 2;
                height: clamp(300px, 45vw, 400px);
            }
            .doc-cert-card {
                order: 3;
            }
            .footer-cols-grid {
                grid-template-columns: 1fr 1fr !important;
                gap: 30px !important;
            }
            .related-products-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .lightbox-prev { left: 10px; }
            .lightbox-next { right: 10px; }
        }

        /* MOBILE STACK AT <= 768px */
        @media (max-width: 768px) {
            .pdp-showcase-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .pdp-main-viewport-col {
                grid-column: 1;
                grid-row: 1;
            }
            .pdp-main-image-viewport {
                height: 420px;
                max-height: 55vh;
                min-height: 340px;
            }
            .pdp-aux-col {
                grid-column: 1;
                grid-row: 2;
                flex-direction: row;
                overflow-x: auto;
            }
            .pdp-details-column {
                grid-column: 1;
                grid-row: 3;
            }
            .pdp-title {
                font-size: 1.65rem;
            }
            .marquee-item {
                width: 190px;
                height: 260px;
            }
            /* Mobile order for 3 cards */
            .details-doc-layout,
            .details-doc-layout.has-cert,
            .details-doc-layout:not(.has-cert) {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .doc-desc-card {
                order: 1;
            }
            .doc-photo-card {
                order: 2;
                height: clamp(260px, 62vw, 340px);
            }
            .doc-cert-card {
                order: 3;
            }
            .related-products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-cols-grid {
                grid-template-columns: 1fr !important;
                gap: 28px !important;
            }
        }

        /* NARROW MOBILE <= 480px */
        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .pdp-main-image-viewport {
                height: 360px;
                min-height: 300px;
            }
            .pdp-actions-row {
                flex-direction: column;
            }
            .btn-whatsapp-primary, .btn-size-guide-secondary {
                width: 100%;
            }
            .pdp-title {
                font-size: 1.45rem;
            }
            .modal-dialog-container {
                width: 95%;
            }
            .lightbox-prev, .lightbox-next {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
        }