/* ============================================================================
   RESET AND BASE STYLES
   ============================================================================ */

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

:root {
    /* Colors */
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --accent-gold: #d4af37;
    --accent-gold-hover: #b8941f;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --border-light: #e9ecef;
    --text-muted: #8e8e93;
    --success-green: #10b981;
    --error-red: #ef4444;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-xxxl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

/* ============================================================================
   HEADER SECTION
   ============================================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
}

.nav-logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-main {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-black);
    letter-spacing: -0.5px;
}

.logo-sub {
    font-size: 0.8rem;
    color: var(--accent-gold);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xxl);
}

.nav-link {
    position: relative;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--primary-black);
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    overflow: hidden;
}

.mega-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-hover), var(--accent-gold));
}

.nav-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-content {
    padding: var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.mega-menu-section h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.mega-menu-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-gold);
    border-radius: 1px;
}

.mega-menu-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.mega-menu-links a {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--medium-gray);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.mega-menu-links a:hover {
    color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.1);
    transform: translateX(5px);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-black);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-btn:hover {
    background: var(--light-gray);
    color: var(--accent-gold);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-gold);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    display: none;
}

.cart-count.visible {
    display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
    width: 44px;
    height: 44px;
    justify-content: center;
    align-items: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.mobile-menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--primary-black);
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* ============================================================================
   SEARCH MODAL
   ============================================================================ */

.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 100px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    max-width: 600px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(-20px);
    transition: all var(--transition-normal);
}

.search-modal.active .search-modal-content {
    transform: scale(1) translateY(0);
}

.search-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.search-modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-black);
}

.search-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--medium-gray);
    padding: var(--spacing-sm);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.search-modal-close:hover {
    background: var(--light-gray);
    color: var(--primary-black);
}

.search-input-container {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    transition: border-color var(--transition-fast);
    background: var(--white);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.search-input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--medium-gray);
    font-size: 1.1rem;
}

.popular-searches h4 {
    font-size: 0.9rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
}

.search-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.search-tag {
    background: var(--light-gray);
    border: 1px solid var(--border-light);
    color: var(--primary-black);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-tag:hover {
    background: var(--accent-gold);
    color: var(--white);
    border-color: var(--accent-gold);
}

/* ============================================================================
   MAIN CONTENT
   ============================================================================ */

main {
    padding-top: 80px;
}

/* ============================================================================
   BRANDS SECTION
   ============================================================================ */

.brands-section {
    padding: var(--spacing-xxxl) 0;
    min-height: calc(100vh - 80px);
    background: var(--light-gray);
}

.brands-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxxl);
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-black);
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-hover));
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--medium-gray);
    font-weight: 400;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.brand-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.brand-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.brand-card.featured {
    border: 2px solid var(--accent-gold);
}

.brand-card.featured::before {
    content: 'FEATURED';
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--accent-gold);
    color: var(--white);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    z-index: 2;
}

.brand-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--light-gray);
}

.brand-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.special-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, #ff4757, #ff3742);
    color: var(--white);
    padding: 6px 10px;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.brand-content {
    padding: var(--spacing-lg);
    text-align: center;
}

.brand-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-black);
    margin: 0;
}

.brand-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0.25rem 0 0 0;
}

/* ============================================================================
   PRODUCTS SECTION
   ============================================================================ */

.products-section {
    padding: var(--spacing-xl) 0 var(--spacing-xxxl);
    min-height: calc(100vh - 80px);
    background: var(--white);
}

.products-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.products-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--accent-gold);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.back-btn:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateX(-2px);
}

.products-info h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-black);
    margin: 0 0 var(--spacing-xs) 0;
}

.products-info p {
    color: var(--medium-gray);
    margin: 0;
    font-size: 0.95rem;
}

.products-filters {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
}

.products-filters select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--primary-black);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    min-width: 140px;
}

.products-filters select:hover,
.products-filters select:focus {
    border-color: var(--accent-gold);
    outline: none;
}

.clear-filters {
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--medium-gray);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.clear-filters:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 1px solid var(--border-light);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--light-gray);
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.product-content {
    padding: var(--spacing-lg);
}

.product-brand {
    background: var(--accent-gold);
    color: var(--white);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.product-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-md);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-secondary {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-align: center;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background: var(--accent-gold);
    color: var(--white);
}

.btn-primary {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.no-products {
    text-align: center;
    padding: var(--spacing-xxxl) 0;
    color: var(--medium-gray);
}

.no-products i {
    font-size: 3rem;
    color: var(--border-light);
    margin-bottom: var(--spacing-lg);
}

.no-products h3 {
    font-size: 1.5rem;
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
}

/* ============================================================================
   ABOUT SECTION
   ============================================================================ */

.about-section {
    padding: var(--spacing-xxxl) 0;
    background: var(--white);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxxl);
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-gold);
    border-radius: var(--radius-sm);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.about-features {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-fast);
}

.feature:hover {
    transform: translateY(-2px);
}

.feature i {
    color: var(--accent-gold);
    font-size: 1.5rem;
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: var(--spacing-xs);
}

.feature p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.about-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ============================================================================
   FOOTER SECTION
   ============================================================================ */

.footer {
    background: var(--primary-black);
    color: var(--white);
    padding: var(--spacing-xxxl) 0 var(--spacing-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.footer-section h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--accent-gold);
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-section p {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: #cccccc;
    transition: color var(--transition-fast);
    font-size: 0.95rem;
    cursor: pointer;
}

.footer-section ul li a:hover {
    color: var(--accent-gold);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent-gold);
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: #cccccc;
    font-size: 0.95rem;
}

.contact-info i {
    width: 16px;
    color: var(--accent-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: #cccccc;
}

/* ============================================================================
   NOTIFICATIONS
   ============================================================================ */

#notification-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    pointer-events: none;
}

.notification {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: all 0.4s ease;
    pointer-events: auto;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: linear-gradient(135deg, var(--success-green), #059669);
}

.notification.error {
    background: linear-gradient(135deg, var(--error-red), #dc2626);
}

/* ============================================================================
   SCROLL TO TOP
   ============================================================================ */

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--accent-gold-hover);
    transform: translateY(-5px);
}

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

@media (max-width: 1024px) {
    .nav-container {
        padding: 0 var(--spacing-lg);
    }
    
    .brands-container,
    .products-container,
    .about-container {
        padding: 0 var(--spacing-lg);
    }
    
    .brands-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xxl);
        text-align: center;
    }
    
    .about-text h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl) 0;
        z-index: 999;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu.active .nav-link {
        color: var(--white);
        font-size: 1.1rem;
        padding: var(--spacing-lg) var(--spacing-xl);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active .nav-link:hover {
        color: var(--accent-gold);
        background: rgba(212, 175, 55, 0.1);
    }
    
    .nav-menu.active .mega-menu {
        position: static;
        width: 100%;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: rgba(26, 26, 26, 0.95);
        box-shadow: none;
        border: none;
        border-radius: 0;
    }
    
    .nav-menu.active .mega-menu-content {
        grid-template-columns: 1fr;
        gap: 0;
        padding: var(--spacing-md) 0;
    }
    
    .nav-menu.active .mega-menu-section {
        padding: var(--spacing-md) var(--spacing-xl);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active .mega-menu-section h4 {
        color: var(--accent-gold);
        font-size: 0.9rem;
    }
    
    .nav-menu.active .mega-menu-links a {
        color: #cccccc;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .brands-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .products-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .products-filters select {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-md);
        height: 70px;
    }
    
    main {
        padding-top: 70px;
    }
    
    .brands-container,
    .products-container,
    .about-container {
        padding: 0 var(--spacing-md);
    }
    
    .brands-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .search-modal-content {
        padding: var(--spacing-lg);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   CUSTOM SCROLLBAR
   ============================================================================ */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gold);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold-hover);
}

/* ============================================================================
   SELECTION
   ============================================================================ */

::selection {
    background: var(--accent-gold);
    color: var(--white);
}