/* ===================================
   LUNAIR APPAREL - Main Stylesheet
   Mobile-First Responsive Design
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #000000;
    --color-secondary: #1a1a1a;
    --color-accent: #666666;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f8f8;
    --color-border: #e0e0e0;
    --color-error: #d32f2f;
    --color-success: #388e3c;
    --color-sale: #d32f2f;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --font-size-h4: 1.25rem;
    --line-height-base: 1.6;
    --line-height-heading: 1.2;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --header-height: 70px;
    --border-radius: 4px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: var(--line-height-heading);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p { margin-bottom: var(--spacing-sm); }

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover { color: var(--color-accent); }

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

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Layout */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    height: var(--header-height);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--spacing-md);
}

.logo img {
    height: 40px;
    width: auto;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    z-index: 1001;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Navigation */
.main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    transition: transform var(--transition-base);
    z-index: 999;
}

.main-nav.active {
    transform: translateY(0);
}

.nav-list {
    list-style: none;
    padding: var(--spacing-sm) 0;
}

.nav-list li {
    border-bottom: 1px solid var(--color-border);
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    transition: background var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background: var(--color-bg-light);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-actions button,
.header-actions a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.header-actions button:hover,
.header-actions a:hover {
    color: var(--color-accent);
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.cart-count:empty {
    display: none;
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    overflow-y: auto;
}

.search-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.search-container {
    position: relative;
    padding: var(--spacing-md) 0;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-large);
}

.search-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.search-close {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-results {
    margin-top: var(--spacing-md);
}

.search-result-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.search-result-item:hover {
    background: var(--color-bg-light);
}

.search-result-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.search-result-info {
    flex: 1;
}

.search-result-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.search-result-price {
    font-weight: 600;
    color: var(--color-primary);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - var(--header-height) - 400px);
    padding: var(--spacing-lg) 0;
}

/* Hero Section */
.hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    padding: var(--spacing-md);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

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

.btn-secondary {
    background: white;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-outline {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-outline:hover {
    background: white;
    color: var(--color-primary);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.product-card {
    position: relative;
    background: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.product-image-wrapper {
    position: relative;
    padding-top: 125%;
    overflow: hidden;
    background: var(--color-bg-light);
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

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

.product-badges {
    position: absolute;
    top: var(--spacing-xs);
    left: var(--spacing-xs);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--border-radius);
    color: white;
}

.badge-sale {
    background: var(--color-sale);
}

.badge-new {
    background: var(--color-success);
}

.badge-out-of-stock {
    background: var(--color-accent);
}

.product-quick-view {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    opacity: 0;
    transition: all var(--transition-base);
}

.product-card:hover .product-quick-view {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.product-info {
    padding: var(--spacing-sm);
}

.product-category {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.product-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
}

.price-current {
    font-size: var(--font-size-large);
    color: var(--color-primary);
}

.price-original {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    text-decoration: line-through;
}

/* Shop Filters */
.shop-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.shop-title {
    font-size: var(--font-size-h2);
}

.shop-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.filter-toggle,
.sort-select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: white;
    font-weight: 500;
    transition: border-color var(--transition-fast);
}

.filter-toggle:hover,
.sort-select:hover {
    border-color: var(--color-primary);
}

.filters-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: 280px;
    background: white;
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-md);
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 997;
}

.filters-sidebar.active {
    transform: translateX(0);
}

.filter-group {
    margin-bottom: var(--spacing-lg);
}

.filter-group h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.filter-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.filter-option label {
    cursor: pointer;
    flex: 1;
}

/* Product Detail Page */
.product-detail {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.product-gallery {
    position: relative;
}

.product-main-image {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
}

.product-thumbnails {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
}

.thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius);
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--color-primary);
}

.product-details-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.product-meta {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.product-detail-title {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-xs);
}

.product-detail-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.stock-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-small);
    color: var(--color-success);
}

.stock-indicator.out-of-stock {
    color: var(--color-error);
}

.stock-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.product-description {
    line-height: 1.8;
}

.product-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.option-group h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
}

.color-swatches,
.size-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.color-swatch:hover,
.color-swatch.active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px white, 0 0 0 4px var(--color-primary);
}

.size-option {
    min-width: 50px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.size-option:hover,
.size-option.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.size-option.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.quantity-controls {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.quantity-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: background var(--transition-fast);
}

.quantity-btn:hover {
    background: var(--color-bg-light);
}

.quantity-input {
    width: 60px;
    height: 40px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
}

.add-to-cart-btn {
    margin-top: var(--spacing-sm);
}

/* Related Products */
.related-products {
    margin-top: var(--spacing-xxl);
}

.related-products h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* Cart Page */
.cart-page {
    display: grid;
    gap: var(--spacing-lg);
}

.cart-items {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image {
    width: 100px;
    height: 125px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.cart-item-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.cart-item-title {
    font-weight: 600;
}

.cart-item-variant {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.cart-item-price {
    font-weight: 600;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.remove-btn {
    color: var(--color-error);
    font-size: var(--font-size-small);
    text-decoration: underline;
}

.cart-summary {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.cart-summary h2 {
    margin-bottom: var(--spacing-md);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.summary-row.total {
    font-size: var(--font-size-large);
    font-weight: 600;
    padding-top: var(--spacing-sm);
    border-top: 2px solid var(--color-border);
    margin-top: var(--spacing-sm);
}

.promo-banner {
    background: var(--color-success);
    color: white;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.promo-code {
    margin-top: var(--spacing-md);
}

.promo-code input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xs);
}

/* Checkout Page */
.checkout-page {
    display: grid;
    gap: var(--spacing-lg);
}

.checkout-section {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.checkout-section h2 {
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    outline: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.payment-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.payment-method:hover,
.payment-method.active {
    border-color: var(--color-primary);
}

.payment-method input[type="radio"] {
    width: 20px;
    height: 20px;
}

/* Order Confirmation */
.order-confirmation {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.order-number {
    font-size: var(--font-size-h3);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.order-details {
    background: var(--color-bg-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    text-align: left;
}

/* Content Pages */
.content-page {
    max-width: 800px;
    margin: 0 auto;
}

.content-page h1 {
    margin-bottom: var(--spacing-lg);
}

.content-page h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.content-page p {
    margin-bottom: var(--spacing-md);
}

.content-page ul,
.content-page ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.content-page li {
    margin-bottom: var(--spacing-xs);
}

/* Contact Page */
.contact-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-info {
    background: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.contact-info h3 {
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* FAQ Page */
.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-large);
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-bg-light);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    padding: 0 var(--spacing-sm);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: var(--spacing-sm);
}

/* Collections Page */
.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.collection-card {
    position: relative;
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
}

.collection-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

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

.collection-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: white;
}

.collection-title {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-xs);
}

/* Footer */
.site-footer {
    background: var(--color-secondary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

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

.footer-column h3,
.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
    color: white;
}

.footer-logo {
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.footer-hours {
    margin-top: var(--spacing-md);
}

.footer-hours p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-small);
    margin-bottom: 0.25rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-contact {
    margin-bottom: var(--spacing-md);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-small);
    margin-bottom: 0.25rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
}

.newsletter {
    margin-top: var(--spacing-md);
}

.newsletter p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-sm);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: white;
    color: var(--color-primary);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: background var(--transition-fast);
}

.newsletter-form button:hover {
    background: rgba(255, 255, 255, 0.9);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-small);
}

.footer-domain {
    margin-top: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.5);
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.loading-indicator[aria-busy="true"] {
    opacity: 1;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 404 Page */
.error-page {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
}

.error-code {
    font-size: 6rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-page h1 {
    margin-bottom: var(--spacing-md);
}

.error-page p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-light); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-lg { margin-top: var(--spacing-lg); }

/* Tablet Styles */
@media (min-width: 768px) {
    :root {
        --font-size-h1: 3rem;
        --font-size-h2: 2.5rem;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    .main-nav {
        position: static;
        transform: none;
        border: none;
    }
    
    .nav-list {
        display: flex;
        padding: 0;
    }
    
    .nav-list li {
        border: none;
    }
    
    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .product-detail {
        grid-template-columns: 1fr 1fr;
    }
    
    .cart-page {
        grid-template-columns: 1fr 400px;
    }
    
    .checkout-page {
        grid-template-columns: 1fr 400px;
    }
    
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .search-overlay,
    .filters-sidebar {
        display: none;
    }
}

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