    :root {
        --brand-blue: #0B4FA3;
        --brand-navy: #011226;
        --brand-green-light: #25D366;
        --bg-body: #f8fafc;
        --bg-white: #ffffff;
        --text-dark: #1e293b;
        --text-muted: #64748b;
        --border-color: #e2e8f0;
        --radius: 12px;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .filter-group div::-webkit-scrollbar {
        width: 6px;
    }

    .filter-group div::-webkit-scrollbar-thumb {
        background: #ccc;
        border-radius: 10px;
    }

    .shop-page { background-color: var(--bg-body); padding: 40px 0 80px; font-family: 'Inter', sans-serif; }

    /* --- SIDEBAR --- */
    .shop-sidebar {
        background: var(--bg-white);
        padding: 25px;
        border-radius: var(--radius);
        border: 1px solid var(--border-color);
    }

    .filter-group { margin-bottom: 30px; }
    .filter-group h4 {
        font-size: 0.9rem;
        text-transform: uppercase;
        color: var(--brand-navy);
        margin-bottom: 15px;
        padding-bottom: 8px;
        border-bottom: 2px solid var(--brand-blue);
    }

    .filter-list { list-style: none; padding: 0; }
    .filter-list li { margin-bottom: 8px; }
    .filter-list li a {
        display: flex;
        justify-content: space-between;
        text-decoration: none;
        color: var(--text-muted);
        font-size: 0.9rem;
        transition: var(--transition);
        padding: 4px 0;
    }
    .filter-list li a.active { color: var(--brand-blue); font-weight: 700; }
    .filter-list li a:hover { color: var(--brand-blue); transform: translateX(5px); }
    .count { background: #f1f5f9; padding: 2px 8px; border-radius: 10px; font-size: 0.75rem; color: var(--brand-navy); font-weight: 600; }

    /* Sidebar Popular Items */
    .sidebar-product { display: flex; gap: 12px; align-items: center; margin-bottom: 15px; text-decoration: none; }
    .sidebar-product img { width: 60px; height: 60px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border-color); }
    .sidebar-product-info { display: flex; flex-direction: column; }
    .sidebar-product-name { font-size: 0.8rem; font-weight: 600; color: var(--brand-navy); line-height: 1.2; }
    .sidebar-product-price { font-size: 0.85rem; color: var(--brand-blue); font-weight: 700; margin-top: 4px; }

    /* --- CARDS --- */
    .deal-card {
        background: var(--bg-white);
        border-radius: var(--radius);
        border: 1px solid var(--border-color);
        position: relative;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        height: 100%;
    }

    .deal-card:hover { transform: translateY(-8px); box-shadow: 0 15px 30px rgba(0,0,0,0.07); }
    
    .discount-badge {
        position: absolute;
        top: 10px;
        left: 10px;
        z-index: 10;
        background: var(--brand-green-light);
        color: white;
        padding: 4px 8px;
        border-radius: 6px;
        font-size: 0.75rem;
        font-weight: 800;
        box-shadow: 0 2px 10px rgba(255, 71, 87, 0.3);
    }
    
    .wishlist-btn {
        position: absolute;
        top: 10px;
        right: 10px;
        z-index: 10;
        background: white;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        text-decoration: none;
        transition: var(--transition);
    }
    .wishlist-btn:hover { background: #fff0f0; color: #ff4757; }

    .deal-image { background: #fff; padding: 10px; height: 160px; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid #f1f5f9; }
    .deal-image img { max-width: 100%; max-height: 100%; object-fit: contain; }
    .deal-content { padding: 12px; flex-grow: 1; }
    .deal-category { font-size: 0.7rem; color: var(--brand-blue); text-transform: uppercase; font-weight: 600; margin-bottom: 3px; }
    .deal-name { font-size: 0.85rem; font-weight: 700; color: var(--brand-navy); margin-bottom: 10px; height: 38px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
    .new-price { font-size: 1rem; font-weight: 800; color: var(--brand-blue); display: block; }
    .old-price { font-size: 0.8rem; color: #94a3b8; text-decoration: line-through; }
    .deal-actions { display: grid; grid-template-columns: 1fr 40px; gap: 8px; margin-top: 12px; }
    .btn-cart { background: var(--brand-blue); color: white; border: none; padding: 8px; border-radius: 6px; cursor: pointer; font-size: 0.75rem; font-weight: 600; }
    .btn-whatsapp { background: var(--brand-green-light); color: white; border-radius: 6px; display: flex; align-items: center; justify-content: center; text-decoration: none; font-size: 1.1rem; }

    /* --- LAYOUT & GRID --- */
    .shop-layout { display: grid; grid-template-columns: 280px 1fr; gap: 30px; }
    .product-grid { display: grid; gap: 15px; }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }

    /* --- RESPONSIVE LOGIC --- */
    @media (max-width: 1200px) {
        .grid-4 { grid-template-columns: repeat(3, 1fr); }
    }

    @media (max-width: 992px) {
        .shop-layout { grid-template-columns: 1fr; }
        .shop-sidebar { display: none; } /* Hide sidebar on mobile/tablet */
    }

    @media (max-width: 768px) {
        .product-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 10px; }
        .shop-page { padding: 20px 0; }
        .deal-image { height: 130px; }
        .deal-name { font-size: 0.8rem; height: 34px; }
        .new-price { font-size: 0.9rem; }
        .grid-controls { display: none; }
    }

    .custom-pagination { display: flex; justify-content: center; gap: 5px; margin-top: 40px; flex-wrap: wrap; }
    .custom-pagination a, .custom-pagination span { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border-color); text-decoration: none; color: var(--brand-navy); background: white; font-weight: 600; font-size: 0.9rem; }
    .custom-pagination .active { background: var(--brand-blue); color: white; }

    /* Slider Play-Then-Slide Choreography Logic */
    @keyframes cycleSlideOne {
        0%, 45% { transform: translateX(0%); opacity: 1; }
        50%, 95% { transform: translateX(-100%); opacity: 0; }
        100% { transform: translateX(0%); opacity: 1; }
    }

    @keyframes cycleSlideTwo {
        0%, 45% { transform: translateX(100%); opacity: 0; }
        50%, 95% { transform: translateX(0%); opacity: 1; }
        100% { transform: translateX(100%); opacity: 0; }
    }

    /* Timeline Progression Overlay Ribbon Indicator */
    @keyframes sliderProgress {
        0% { width: 0%; }
        92% { width: 100%; }
        100% { width: 100%; }
    }

    /* Slide 1 - Video Digital Scan Effect */
    @keyframes videoScanner {
        0% { top: -100%; }
        50%, 100% { top: 100%; }
    }

    /* Slide 2 - Video Atmospheric Aura Wave */
    @keyframes auraFloat {
        0% { transform: translate(0, 0) scale(1); }
        100% { transform: translate(-10%, -10%) scale(1.2); }
    }

    /* Live Active Target Glow */
    @keyframes livePulse {
        0% { opacity: 0.3; transform: scale(0.9); }
        100% { opacity: 1; transform: scale(1.1); }
    }

    /* Global Slider Button Micro-interactions */
    .banner-cta-btn:hover {
        transform: translateY(-2px);
        filter: brightness(1.15);
    }