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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #f5f5f5;
            color: #333;
        }

        .container {
            max-width: 100%;
            padding: 0 16px;
        }

        /* ===== MOBILE STYLES (EXISTING) ===== */
        .mobile-layout {
            display: block;
            padding-bottom: 80px; /* Espacio para navbar inferior */
        }

        /* Header Mobile */
        .mobile-header {
            background: #fff;
            padding: 12px 16px 8px;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .logo-mobile {
            font-size: 20px;
            font-weight: 700;
            color: #333;
            text-decoration: none;
        }

        .logo-accent {
            color: #667eea;
        }

        .header-icons {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .header-icon {
            width: 24px;
            height: 24px;
            color: #666;
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Language Toggle */
        .language-toggle {
            background: none;
            border: 1px solid #e0e0e0;
            border-radius: 15px;
            padding: 4px 8px;
            font-size: 12px;
            color: #667eea;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .language-toggle:hover {
            background: #f8f9fe;
        }

        /* Search Bar - Exacto como en la imagen */
        .search-container {
            position: relative;
            margin-bottom: 12px;
        }

        .search-input {
            width: 100%;
            padding: 14px 50px 14px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 25px;
            font-size: 14px;
            background: #fff;
            outline: none;
            color: #666;
        }

        .search-input::placeholder {
            color: #999;
        }

        .search-btn {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            background: #667eea;
            border: none;
            border-radius: 50%;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        /* Banner promocional pequeño */
        .promo-banner-small {
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 8px;
            padding: 8px 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: white;
            font-size: 12px;
            margin-bottom: 20px;
        }

        .promo-text {
            flex: 1;
        }

        .promo-image {
            width: 40px;
            height: 30px;
            background: rgba(255,255,255,0.2);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Sección de categorías principales - Como KB차차차와 함께 */
        .main-categories {
            background: #fff;
            padding: 20px 16px;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 18px;
            font-weight: 700;
            color: #333;
            margin-bottom: 16px;
        }

        .categories-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .category-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: #333;
        }

        .category-icon-container {
            width: 56px;
            height: 56px;
            background: #f8f9fe;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 8px;
            border: 2px solid #e8ecff;
        }

        .category-emoji {
            font-size: 24px;
        }

        .category-label {
            font-size: 12px;
            color: #666;
            text-align: center;
            line-height: 1.2;
        }

        /* Sección de productos - Como los autos */
        .products-section {
            background: #fff;
            margin-bottom: 8px;
        }

        .products-header {
            padding: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #f0f0f0;
        }

        .products-title {
            font-size: 16px;
            font-weight: 600;
            color: #333;
        }

        .view-all {
            font-size: 12px;
            color: #667eea;
            text-decoration: none;
        }

        .products-scroll {
            padding: 16px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .products-grid {
            display: flex;
            gap: 12px;
            width: max-content;
        }

        .product-card {
            width: 200px;
            background: #fff;
            border-radius: 12px;
            border: 1px solid #e0e0e0;
            overflow: hidden;
            text-decoration: none;
            color: inherit;
            flex-shrink: 0;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .product-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            border-color: #667eea;
        }

        .product-image {
            width: 100%;
            height: 120px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            overflow: hidden;
        }

        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .product-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: #ffd700;
            color: #333;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 10px;
            font-weight: 600;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }

        .product-info {
            padding: 16px;
            display: flex;
            flex-direction: column;
            height: 140px;
        }

        .product-category {
            font-size: 11px;
            color: #667eea;
            margin-bottom: 8px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .product-title {
            font-size: 14px;
            font-weight: 600;
            color: #333;
            margin-bottom: 8px;
            line-height: 1.3;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .product-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
        }

        .product-seller {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            color: #888;
            flex: 1;
            overflow: hidden;
        }

        .seller-icon {
            font-size: 10px;
            color: #667eea;
            flex-shrink: 0;
        }

        .seller-name {
            color: #666;
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .product-price {
            font-size: 16px;
            font-weight: 700;
            color: #27d680;
            text-align: right;
            flex-shrink: 0;
        }

        .product-price-old {
            font-size: 12px;
            color: #999;
            text-decoration: line-through;
            margin-bottom: 2px;
        }

        /* Banner promocional grande */
        .promo-banner-large {
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 8px;
            padding: 16px;
            margin: 0 16px 8px;
            color: white;
            text-align: center;
        }

        .promo-title {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .promo-subtitle {
            font-size: 12px;
            opacity: 0.9;
        }

        .promo-icon {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 8px auto;
            font-size: 20px;
        }

        /* Sección circular de categorías */
        .circular-categories {
            background: #fff;
            padding: 20px 16px;
            margin-bottom: 8px;
        }

        .circular-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .circular-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: #333;
        }

        .circular-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea, #764ba2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            margin-bottom: 8px;
            font-size: 16px;
        }

        .circular-label {
            font-size: 11px;
            color: #666;
            text-align: center;
        }

        /* Sección de presupuesto */
        .budget-section {
            background: #fff;
            padding: 20px 16px;
            margin-bottom: 8px;
        }

        .budget-text {
            font-size: 14px;
            color: #333;
            margin-bottom: 16px;
            text-align: center;
        }

        .budget-highlight {
            font-size: 20px;
            font-weight: 700;
            color: #333;
        }

        .budget-controls {
            display: flex;
            gap: 12px;
            margin-bottom: 16px;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
        }

        .budget-select {
            padding: 8px 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
            font-weight: 600;
            color: #333;
            background: white;
            min-width: 80px;
        }

        .budget-range-container {
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            width: 100%;
        }

        .range-input {
            width: 100%;
            max-width: 300px;
            margin: 10px 0;
        }

        .range-labels {
            display: flex;
            justify-content: space-between;
            width: 100%;
            max-width: 300px;
            font-size: 12px;
            color: #666;
        }

        .current-budget {
            font-size: 18px;
            font-weight: 700;
            color: #667eea;
            margin: 10px 0;
        }

        .budget-btn {
            width: 100%;
            background: #ffd700;
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            color: #333;
            cursor: pointer;
            margin-bottom: 8px;
        }

        .budget-info {
            font-size: 12px;
            color: #666;
            text-align: center;
        }

        /* Banner con imagen grande */
        .hero-banner {
            margin: 0 16px 8px;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
        }

        .hero-image {
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 48px;
        }

        .hero-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.7));
            padding: 30px 20px 20px;
            color: white;
        }

        .hero-text {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
        }

        /* Bottom Navigation - MOBILE */
        .bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid #e0e0e0;
            display: flex;
            justify-content: space-around;
            padding: 8px 0;
            z-index: 1000;
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: #666;
            padding: 4px;
            min-width: 60px;
        }

        .nav-item.active {
            color: #667eea;
        }

        .nav-icon {
            font-size: 20px;
            margin-bottom: 4px;
        }

        .nav-label {
            font-size: 10px;
        }

        /* Auth y Profile elementos */
        .auth-links-container, .profile-menu-container-header {
            display: none; /* Se manejan via JS */
        }

        .dropdown-menu {
            position: absolute;
            top: 100%;
            right: 0;
            background: white;
            border-radius: 8px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            min-width: 200px;
            padding: 8px 0;
            z-index: 2000;
        }

        .dropdown-menu li {
            list-style: none;
        }

        .dropdown-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: #333;
            text-decoration: none;
            font-size: 14px;
        }

        .dropdown-menu a:hover {
            background: #f8f9fa;
        }

        /* Loading states */
        .loading-placeholder {
            text-align: center;
            padding: 40px 20px;
            color: #666;
        }

        .loading-spinner {
            font-size: 24px;
            color: #667eea;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Hide on mobile */
        .desktop-only {
            display: none;
        }

        /* Mobile Nav Drawer - para menú hamburguesa */
        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: white;
            z-index: 3000;
            transition: right 0.3s ease;
            overflow-y: auto;
            box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        }

        .mobile-nav-drawer.open {
            right: 0;
        }

        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 2500;
            display: none;
        }

        .mobile-nav-header {
            padding: 20px;
            background: #667eea;
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .close-mobile-nav {
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
        }

        .mobile-main-nav {
            padding: 20px 0;
        }

        .mobile-main-nav ul {
            list-style: none;
        }

        .mobile-main-nav a {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 15px 20px;
            color: #333;
            text-decoration: none;
            border-bottom: 1px solid #f0f0f0;
        }

        .mobile-main-nav a:hover {
            background: #f8f9fa;
        }

        /* ===== DESKTOP STYLES (NEW) ===== */
        .desktop-layout {
            display: none;
            min-height: 100vh;
        }

        /* Desktop Header */
        .desktop-header {
            background: #fff;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .desktop-header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .desktop-header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            border-bottom: 1px solid #f0f0f0;
        }

        .desktop-logo {
            font-size: 28px;
            font-weight: 700;
            color: #333;
            text-decoration: none;
        }

        .desktop-search-container {
            flex: 1;
            max-width: 600px;
            margin: 0 40px;
            position: relative;
        }

        .desktop-search-input {
            width: 100%;
            padding: 16px 60px 16px 24px;
            border: 2px solid #e0e0e0;
            border-radius: 30px;
            font-size: 16px;
            background: #fff;
            outline: none;
            transition: all 0.3s ease;
        }

        .desktop-search-input:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .desktop-search-btn {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            width: 44px;
            height: 44px;
            background: #667eea;
            border: none;
            border-radius: 50%;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .desktop-search-btn:hover {
            background: #5a6fd8;
        }

        .desktop-header-actions {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .desktop-header-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 10px 0;
            justify-content: space-evenly;
        }

        .desktop-nav-link {
            color: #666;
            text-decoration: none;
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s ease;
        }

        .desktop-nav-link:hover {
            color: #667eea;
        }

        .desktop-nav-link.active {
            color: #667eea;
            font-weight: 600;
        }

        .desktop-cta-button {
            background: #667eea;
            color: white;
            padding: 9px 18px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
.auth-links-container{
        display: flex
;
    align-items: center;
    gap: 20px;
}

        .desktop-cta-button:hover {
            background: #5a6fd8;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
        }

        /* Desktop Main Layout */
        .desktop-main-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 32px;
            padding: 32px 24px;
            min-height: calc(100vh - 140px);
        }

        /* Desktop Sidebar */
        .desktop-sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            height: fit-content;
            position: sticky;
            top: 120px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.05);
        }

        .desktop-sidebar-title {
            font-size: 18px;
            font-weight: 700;
            color: #333;
            margin-bottom: 20px;
        }

        .desktop-categories-list {
            list-style: none;
        }

        .desktop-category-item {
            margin-bottom: 12px;
        }

        .desktop-category-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: #666;
            text-decoration: none;
            border-radius: 12px;
            transition: all 0.3s ease;
            font-size: 14px;
            font-weight: 500;
        }

        .desktop-category-link:hover {
            background: #f8f9fe;
            color: #667eea;
        }

        .desktop-category-icon {
            font-size: 16px;
            width: 20px;
            text-align: center;
        }

        /* Desktop Budget Widget */
        .desktop-budget-widget {
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 16px;
            padding: 24px;
            color: white;
            margin-top: 24px;
        }

        .desktop-budget-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .desktop-budget-range {
            margin: 16px 0;
        }

        .desktop-budget-value {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .desktop-budget-input {
            width: 100%;
            margin: 12px 0;
        }

        .desktop-budget-btn {
            width: 100%;
            background: #ffd700;
            color: #333;
            border: none;
            padding: 12px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .desktop-budget-btn:hover {
            background: #ffed4e;
            transform: translateY(-1px);
        }

        /* Desktop Content Area */
        .desktop-content {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        /* Desktop Hero Banner */
        .desktop-hero-banner {
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 16px;
            padding: 48px;
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .desktop-hero-content {
            position: relative;
            z-index: 2;
        }

        .desktop-hero-title {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .desktop-hero-subtitle {
            font-size: 20px;
            opacity: 0.9;
            margin-bottom: 32px;
        }

        .desktop-hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
        }

        .desktop-hero-btn {
            padding: 16px 32px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .desktop-hero-btn-primary {
            background: #ffd700;
            color: #333;
        }

        .desktop-hero-btn-secondary {
            background: rgba(255,255,255,0.2);
            color: white;
            border: 1px solid rgba(255,255,255,0.3);
        }

        .desktop-hero-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }

        /* Desktop Categories Section */
        .desktop-categories-section {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.05);
        }

        .desktop-section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .desktop-section-title {
            font-size: 24px;
            font-weight: 700;
            color: #333;
        }

        .desktop-view-all {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
        }

        .desktop-categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .desktop-category-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px;
            background: #f8f9fe;
            border-radius: 12px;
            text-decoration: none;
            color: #333;
            transition: all 0.3s ease;
        }

        .desktop-category-card:hover {
            background: #667eea;
            color: white;
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
        }

        .desktop-category-card-icon {
            font-size: 32px;
            width: 50px;
            text-align: center;
        }

        .desktop-category-card-info h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .desktop-category-card-info p {
            font-size: 12px;
            opacity: 0.7;
        }

        /* Desktop Products Section */
        .desktop-products-section {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.05);
        }

        .desktop-products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .desktop-product-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            text-decoration: none;
            color: inherit;
        }

        .desktop-product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.15);
        }

        .desktop-product-image {
            width: 100%;
            height: 180px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 32px;
            overflow: hidden;
        }

        .desktop-product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .desktop-product-info {
            padding: 24px;
        }

        .desktop-product-category {
            font-size: 12px;
            color: #667eea;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .desktop-product-title {
            font-size: 18px;
            font-weight: 600;
            color: #333;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .desktop-product-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 16px;
        }

        .desktop-product-seller {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #666;
        }

        .desktop-product-price {
            font-size: 20px;
            font-weight: 700;
            color: #27d680;
        }

        /* Desktop Promo Banner */
        .desktop-promo-banner {
            background: linear-gradient(135deg, #ffd700, #ffb347);
            border-radius: 16px;
            padding: 32px;
            text-align: center;
            color: #333;
            margin: 32px 0;
        }

        .desktop-promo-banner h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .desktop-promo-banner p {
            font-size: 16px;
            margin-bottom: 24px;
        }

        .desktop-promo-banner-btn {
            background: #333;
            color: white;
            padding: 14px 28px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .desktop-promo-banner-btn:hover {
            background: #555;
            transform: translateY(-2px);
        }

        /* Desktop Footer */
        .desktop-footer {
            background: #333;
            color: white;
            padding: 48px 0 24px;
            margin-top: 64px;
        }

        .desktop-footer-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .desktop-footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 48px;
            margin-bottom: 32px;
        }

        .desktop-footer-column h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .desktop-footer-column ul {
            list-style: none;
        }

        .desktop-footer-column a {
            color: #ccc;
            text-decoration: none;
            line-height: 2;
            transition: color 0.3s ease;
        }

        .desktop-footer-column a:hover {
            color: #667eea;
        }

        .desktop-footer-bottom {
            border-top: 1px solid #555;
            padding-top: 24px;
            text-align: center;
            color: #999;
        }

        /* ===== RESPONSIVE BREAKPOINTS ===== */
        @media (min-width: 1024px) {
            .mobile-layout {
                display: none;
            }
            
            .desktop-layout {
                display: block;
            }
            
            .desktop-only {
                display: block;
            }
        }

        @media (max-width: 1023px) {
            .mobile-layout {
                display: block;
            }
            
            .desktop-layout {
                display: none;
            }
            
            .desktop-only {
                display: none;
            }
        }