:root {
            --bmt-black: #0a0a0a;
            --bmt-white: #ffffff;
            --bmt-accent: #c5a059;
            --bmt-gray-bg: #f8f8f8;
            --bmt-gray-border: rgba(0, 0, 0, 0.06);
            --bmt-text-muted: #666666;
            --font-heading: 'Tenor Sans', sans-serif;
            --font-body: 'Plus Jakarta Sans', sans-serif;
            --transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
        }

        body {
            font-family: var(--font-body);
            background: var(--bmt-white);
            color: var(--bmt-black);
            -webkit-font-smoothing: antialiased;
        }

        /* --- Luxury Service Ribbon --- */
        .service-ribbon {
            background: var(--bmt-black);
            color: white;
            padding: 10px 0;
            font-size: clamp(0.6rem, 1.5vw, 0.65rem);
            text-transform: uppercase;
            letter-spacing: clamp(2px, 1vw, 3px);
            font-weight: 600;
            overflow-x: auto;
            white-space: nowrap;
        }

        .service-ribbon::-webkit-scrollbar {
            display: none;
        }

        .service-ribbon .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-width: 600px;
        }

        @media (max-width: 768px) {
            .service-ribbon .container {
                min-width: auto;
                justify-content: center;
                gap: 20px;
            }
        }

        @media (max-width: 480px) {
            .service-ribbon .container {
                flex-direction: column;
                gap: 5px;
                text-align: center;
            }
        }

        /* --- Immersive Hero --- */
        .shop-hero-advanced {
            height: clamp(250px, 35vh, 450px);
            background: var(--bmt-black);
            position: relative;
            display: flex;
            align-items: center;
            overflow: hidden;
            margin-bottom: clamp(40px, 8vw, 80px);
        }

        .hero-bg-visual {
            position: absolute;
            inset: 0;
            background: url('https://images.unsplash.com/photo-1539109136881-3be0616acf4b?auto=format&fit=crop&q=80&w=2000') center/cover;
            opacity: 0.45;
            filter: grayscale(100%) contrast(1.1);
            transition: transform 10s ease;
        }

        @media (hover: hover) {
            .shop-hero-advanced:hover .hero-bg-visual {
                transform: scale(1.1);
            }
        }

        .hero-inner-content {
            position: relative;
            z-index: 2;
            padding-left: clamp(20px, 8%, 8%);
            padding-right: 20px;
            color: white;
            width: 100%;
        }

        .hero-inner-content span {
            font-size: clamp(0.65rem, 1.5vw, 0.75rem);
            letter-spacing: clamp(3px, 1.5vw, 6px);
            text-transform: uppercase;
            color: var(--bmt-accent);
            display: block;
            margin-bottom: 10px;
            animation: fadeInLeft 1s ease forwards;
        }

        .hero-inner-content h1 {
            font-family: var(--font-heading);
            font-size: clamp(2rem, 7vw, 6rem);
            line-height: 0.9;
            text-transform: uppercase;
            margin: 0;
            animation: fadeInLeft 1.2s ease forwards;
            word-wrap: break-word;
        }

        /* --- Sidebar & Filters --- */
        .shop-sidebar {
            position: sticky;
            top: 100px;
            padding-right: clamp(20px, 4vw, 30px);
            margin-bottom: 30px;
        }

        @media (max-width: 991px) {
            .shop-sidebar {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: var(--bmt-white);
                z-index: 1001;
                padding: 80px 30px 30px;
                overflow-y: auto;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                margin-bottom: 0;
            }
            
            .shop-sidebar.active {
                transform: translateX(0);
            }
        }

        .sidebar-widget {
            margin-bottom: clamp(25px, 4vw, 50px);
        }

        .widget-title {
            font-family: var(--font-heading);
            font-size: clamp(0.75rem, 1.5vw, 0.85rem);
            text-transform: uppercase;
            letter-spacing: clamp(2px, 1vw, 3px);
            margin-bottom: 20px;
            display: block;
            color: var(--bmt-black);
            border-bottom: 1px solid var(--bmt-gray-border);
            padding-bottom: 10px;
        }

        .category-list-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            color: var(--bmt-text-muted);
            text-decoration: none;
            font-size: clamp(0.8rem, 1.5vw, 0.85rem);
            transition: var(--transition);
            border-bottom: 1px solid transparent;
        }

        .category-list-link:hover {
            color: var(--bmt-black);
            border-bottom-color: var(--bmt-black);
            padding-left: 8px;
        }

        /* Mobile Filter Button */
        .mobile-filter-btn {
            display: none;
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--bmt-black);
            color: var(--bmt-white);
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        @media (max-width: 991px) {
            .mobile-filter-btn {
                display: flex;
            }
        }

        .sidebar-close-btn {
            position: absolute;
            top: 30px;
            right: 30px;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--bmt-black);
            cursor: pointer;
            display: none;
        }

        @media (max-width: 991px) {
            .sidebar-close-btn {
                display: block;
            }
        }

        /* --- Product Grid & WoW Cards --- */
        .row {
            margin-left: -10px;
            margin-right: -10px;
        }

        .col-lg-3, .col-lg-9, .col-md-4, .col-6 {
            padding-left: 10px;
            padding-right: 10px;
        }

        @media (max-width: 1199px) {
            .col-lg-3 {
                flex: 0 0 100%;
                max-width: 100%;
            }
            
            .col-lg-9 {
                flex: 0 0 100%;
                max-width: 100%;
            }
        }

        @media (max-width: 767px) {
            .col-md-4 {
                flex: 0 0 50%;
                max-width: 50%;
            }
        }

        @media (max-width: 480px) {
            .col-md-4, .col-6 {
                flex: 0 0 100%;
                max-width: 100%;
            }
        }

        .product-wow-card {
            margin-bottom: clamp(30px, 4vw, 60px);
            position: relative;
            transition: var(--transition);
        }

        @media (hover: hover) {
            .product-wow-card:hover {
                transform: translateY(-5px);
            }
        }

        .img-visual-wrapper {
            position: relative;
            aspect-ratio: 4/5;
            background: #ffffff;
            border: 1px solid var(--bmt-gray-border);
            overflow: hidden;
            border-radius: 2px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .img-visual-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            padding: 15px;
            transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
        }

        @media (hover: hover) {
            .product-wow-card:hover .img-visual-wrapper img {
                transform: scale(1.05);
            }
        }

        .wishlist-btn-float {
            position: absolute;
            top: 15px;
            right: 15px;
            z-index: 10;
            width: clamp(35px, 4vw, 45px);
            height: clamp(35px, 4vw, 45px);
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(8px);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        .wishlist-btn-float:hover {
            background: var(--bmt-black);
            color: white;
        }

        .wishlist-btn-float.wishlist-active {
            background: var(--bmt-accent);
            color: white;
        }

        /* New Badge */
        .new-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            z-index: 5;
            background: var(--bmt-black);
            color: white;
            padding: 4px 10px;
            font-size: clamp(0.5rem, 1.2vw, 0.6rem);
            font-weight: 800;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .quick-add-glass {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            padding: 20px 15px;
            transform: translateY(101%);
            transition: var(--transition);
            z-index: 15;
        }

        @media (hover: hover) {
            .product-wow-card:hover .quick-add-glass {
                transform: translateY(0);
            }
        }

        @media (hover: none) and (pointer: coarse) {
            .quick-add-glass {
                position: static;
                transform: translateY(0);
                background: var(--bmt-gray-bg);
                margin-top: 10px;
                border-top: 1px solid var(--bmt-gray-border);
            }
        }

        .size-selector-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 8px;
        }

        .size-chip-btn {
            width: 100%;
            border: 1px solid var(--bmt-gray-border);
            background: transparent;
            padding: 8px 0;
            font-size: clamp(0.6rem, 1.2vw, 0.65rem);
            font-weight: 700;
            text-transform: uppercase;
            cursor: pointer;
            transition: var(--transition);
            min-height: 36px;
        }

        .size-chip-btn:hover {
            background: var(--bmt-black);
            color: white;
            border-color: var(--bmt-black);
        }

        .product-meta-lux {
            text-align: center;
            padding: 0 5px;
        }

        .product-meta-lux .cat-label {
            font-size: clamp(0.55rem, 1.2vw, 0.6rem);
            text-transform: uppercase;
            letter-spacing: clamp(2px, 1vw, 3px);
            color: var(--bmt-text-muted);
            margin-bottom: 5px;
            display: block;
        }

        .product-meta-lux h3 {
            font-family: var(--font-body);
            font-size: clamp(0.85rem, 1.5vw, 0.95rem);
            font-weight: 400;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            line-height: 1.3;
            height: 2.6em;
        }

        .product-meta-lux h3 a {
            color: var(--bmt-black);
            text-decoration: none;
        }

        .product-meta-lux h3 a:hover {
            color: var(--bmt-accent);
        }

        .product-meta-lux .price-tag {
            font-weight: 800;
            font-size: clamp(0.95rem, 1.8vw, 1.1rem);
            color: var(--bmt-black);
        }

        .price-tag .old-price {
            font-size: clamp(0.65rem, 1.2vw, 0.75rem);
            color: #999;
            text-decoration: line-through;
            margin-left: 6px;
            font-weight: 600;
        }

        .product-meta-lux .small.opacity-50 {
            font-size: clamp(0.7rem, 1.5vw, 0.8rem);
        }

        /* --- Search & Sort Bar --- */
        .shop-utility-bar {
            background: #fff;
            padding: 15px 0;
            border-bottom: 1px solid var(--bmt-gray-border);
            margin-bottom: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        @media (max-width: 768px) {
            .shop-utility-bar {
                flex-direction: column;
                align-items: flex-start;
                padding: 15px 0;
            }
        }

        .sort-select-lux {
            border: none;
            background: transparent;
            font-weight: 700;
            font-size: clamp(0.7rem, 1.5vw, 0.75rem);
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            outline: none;
            min-width: 200px;
        }

        @media (max-width: 480px) {
            .sort-select-lux {
                width: 100%;
            }
        }

        /* --- Modern Pagination --- */
        .pagination-container {
            display: flex;
            justify-content: center;
            margin-top: 40px;
            gap: 8px;
            flex-wrap: wrap;
        }

        .page-link-lux {
            width: clamp(40px, 4vw, 50px);
            height: clamp(40px, 4vw, 50px);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--bmt-gray-border);
            text-decoration: none;
            color: var(--bmt-black);
            font-weight: 700;
            font-size: clamp(0.75rem, 1.5vw, 0.8rem);
            transition: var(--transition);
            min-width: 44px;
            min-height: 44px;
        }

        .page-link-lux.active,
        .page-link-lux:hover {
            background: var(--bmt-black);
            color: white;
            border-color: var(--bmt-black);
        }

        /* --- Toast WoW --- */
        .wow-toast {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 9999;
            background: var(--bmt-black);
            color: white;
            padding: 15px 20px;
            border-radius: 4px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            gap: 12px;
            border-left: 4px solid var(--bmt-accent);
            max-width: 350px;
            width: 90%;
        }

        @media (max-width: 768px) {
            .wow-toast {
                left: 50%;
                right: auto;
                transform: translateX(-50%);
                max-width: 300px;
            }
        }

        .wow-toast > div:first-child {
            width: 35px;
            height: 35px;
            background: var(--bmt-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .wow-toast > div:first-child i {
            font-size: 0.9rem;
            color: white;
        }

        .wow-toast > div:last-child span:first-child {
            font-size: clamp(0.7rem, 1.5vw, 0.8rem);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: block;
            margin-bottom: 2px;
        }

        .wow-toast > div:last-child span:last-child {
            font-size: clamp(0.7rem, 1.5vw, 0.8rem);
            opacity: 0.75;
        }

        /* Form Inputs */
        .sidebar-widget form .form-control {
            font-size: clamp(0.8rem, 1.5vw, 0.9rem);
            padding: 12px 15px;
            min-height: 44px;
        }

        /* Price Filter */
        .form-range {
            width: 100%;
            height: 4px;
            margin: 15px 0;
        }

        /* Color Palette */
        .sidebar-widget .d-flex {
            gap: 8px;
            flex-wrap: wrap;
        }

        .sidebar-widget .d-flex > div {
            width: clamp(20px, 2.5vw, 25px);
            height: clamp(20px, 2.5vw, 25px);
            border-radius: 2px;
            cursor: pointer;
            transition: transform 0.2s ease;
        }

        /* --- ACCESSIBILITY --- */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        @keyframes fadeInLeft {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }