/* ============================================
   SHOPHUB E-COMMERCE STYLES
   Modern, Responsive Design
   ============================================ */

/* CSS Variables - Design System */
:root {
    /* Primary Colors - Flipkart-inspired Blue Theme */
    --primary: #2874f0;
    --primary-dark: #1c5ac7;
    --primary-light: #5c9aff;
    --primary-hover: #1a5dc7;
    
    /* Secondary Colors */
    --secondary: #ff9f00;
    --secondary-dark: #e68900;
    --accent: #fb641b;
    --accent-dark: #e55a17;
    
    /* Success/Error States */
    --success: #388e3c;
    --error: #d32f2f;
    --warning: #ffa000;
    --info: #1976d2;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #212121;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    
    /* Background Colors */
    --bg-primary: #f1f3f6;
    --bg-white: #ffffff;
    --bg-dark: #172337;
    
    /* Text Colors */
    --text-primary: #212121;
    --text-secondary: #878787;
    --text-white: #ffffff;
    --text-link: #2874f0;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Typography */
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Container */
    --container-max: 1400px;
    --container-padding: 1rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

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

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

ul, ol {
    list-style: none;
}

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

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

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
    background: var(--primary);
    color: var(--text-white);
    font-size: 0.875rem;
    padding: 0.5rem 0;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-links {
    display: flex;
    gap: var(--space-lg);
}

.top-bar-links a {
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.top-bar-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ============================================
   HEADER
   ============================================ */
.main-header {
    background: var(--primary);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-white);
    flex-shrink: 0;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-highlight {
    color: var(--secondary);
}

/* Search */
.search-container {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-box {
    display: flex;
    background: var(--white);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.search-box input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    outline: none;
    font-size: 0.9375rem;
}

.search-box input::placeholder {
    color: var(--gray-500);
}

.search-btn {
    padding: 0 1rem;
    background: var(--white);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.search-btn:hover {
    background: var(--gray-100);
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-lg);
    margin-top: 4px;
    display: none;
    max-height: 400px;
    overflow-y: auto;
    z-index: 101;
}

.search-suggestions.active {
    display: block;
}

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

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    position: relative;
}

.action-btn:hover {
    background: rgba(255,255,255,0.1);
}

.action-btn span {
    font-size: 0.9375rem;
    font-weight: 500;
}

.cart-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent);
    color: var(--white);
    font-size: 0.6875rem;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

.mobile-menu-btn {
    display: none;
}

/* ============================================
   NAVIGATION
   ============================================ */
.main-nav {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 72px;
    z-index: 99;
}

.nav-list {
    display: flex;
    gap: var(--space-xl);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) 0;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
}

.dropdown-arrow {
    font-size: 0.625rem;
    transition: transform var(--transition-fast);
}

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

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 500px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

.mega-menu-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mega-menu-column a {
    display: block;
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.mega-menu-column a:hover {
    color: var(--primary);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    z-index: 200;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-200);
}

.mobile-nav-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.mobile-nav-close {
    font-size: 1.5rem;
    color: var(--gray-600);
}

.mobile-nav-content {
    padding: var(--space-md);
}

.mobile-nav-link {
    display: block;
    padding: var(--space-md);
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--gray-100);
    transition: background var(--transition-fast);
}

.mobile-nav-link:hover {
    background: var(--gray-50);
    color: var(--primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 500px;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-2xl) var(--container-padding);
}

.hero-text {
    color: var(--white);
}

.hero-tag {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.hero-description {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image img {
    max-height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Hero Navigation */
.hero-dots {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

.hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    color: var(--white);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.hero-nav:hover {
    background: rgba(255,255,255,0.3);
}

.hero-nav.prev {
    left: var(--space-lg);
}

.hero-nav.next {
    right: var(--space-lg);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: rgba(255,255,255,0.2);
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.3);
}

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

.btn-white:hover {
    background: var(--gray-100);
}

.btn-full {
    width: 100%;
}

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.view-all {
    color: var(--primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: gap var(--transition-fast);
}

.view-all:hover {
    gap: var(--space-sm);
}

/* ============================================
   CATEGORIES
   ============================================ */
.categories-section {
    background: var(--white);
    padding: var(--space-xl) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: var(--space-lg);
}

.category-card {
    text-align: center;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.category-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--space-sm);
    border-radius: var(--radius-full);
    overflow: hidden;
    background: var(--gray-100);
}

.category-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================
   PRODUCTS
   ============================================ */
.featured-section {
    background: var(--bg-primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-lg);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: var(--accent);
    color: var(--white);
    font-size: 0.6875rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    z-index: 2;
}

.product-wishlist {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    z-index: 2;
    transition: all var(--transition-fast);
}

.product-wishlist:hover {
    background: var(--error);
    color: var(--white);
}

.product-wishlist.active {
    background: var(--error);
    color: var(--white);
}

.product-image {
    position: relative;
    padding: var(--space-lg);
    background: var(--gray-50);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    max-height: 100%;
    object-fit: contain;
    transition: transform var(--transition-base);
}

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

.product-info {
    padding: var(--space-md);
}

.product-brand {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
}

.product-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.rating-badge {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--success);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.rating-count {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.product-price {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.current-price {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.original-price {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.discount {
    font-size: 0.75rem;
    color: var(--success);
    font-weight: 600;
}

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

.btn-add-cart {
    flex: 1;
    padding: 0.625rem;
    background: var(--secondary);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-add-cart:hover {
    background: var(--secondary-dark);
}

/* ============================================
   DEALS SECTION
   ============================================ */
.deals-section {
    background: var(--white);
}

.deals-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
}

.countdown {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.countdown-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.countdown-timer {
    display: flex;
    gap: var(--space-sm);
}

.countdown-item {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.countdown-value {
    background: var(--primary);
    color: var(--white);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: monospace;
}

/* ============================================
   BANNER SECTION
   ============================================ */
.banner-section {
    background: var(--bg-primary);
    padding: var(--space-2xl) 0;
}

.banner-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
}

.banner-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.banner-card.large {
    aspect-ratio: 16/10;
}

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

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

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

.banner-overlay h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.banner-overlay p {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: var(--space-md);
}

/* ============================================
   NEW ARRIVALS
   ============================================ */
.new-arrivals-section {
    background: var(--bg-primary);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    background: var(--white);
    padding: var(--space-2xl) 0;
}

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

.feature-item {
    text-align: center;
    padding: var(--space-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.feature-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--space-3xl) 0;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    color: var(--white);
}

.newsletter-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.newsletter-content p {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--space-md);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    outline: none;
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    background: var(--bg-dark);
    color: var(--white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.footer-column a {
    display: block;
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
    color: var(--white);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-column a:hover {
    opacity: 1;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-column.contact p {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: var(--space-xs);
}

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

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.6;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

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

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.5rem;
    color: var(--gray-600);
    z-index: 10;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.login-left {
    background: var(--primary);
    color: var(--white);
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-left h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.login-left p {
    font-size: 1.125rem;
    opacity: 0.9;
}

.login-right {
    padding: var(--space-3xl);
}

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

.form-group input {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast);
}

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

.form-text {
    text-align: center;
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-text a {
    color: var(--primary);
    font-weight: 500;
}

/* ============================================
   TOAST
   ============================================ */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--gray-900);
    color: var(--white);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    z-index: 400;
    opacity: 0;
    transition: all var(--transition-base);
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .banner-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .banner-card.large {
        grid-column: span 2;
    }
}

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-image {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .mega-menu {
        display: none;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    
    .header-content {
        gap: var(--space-md);
    }
    
    .search-container {
        display: none;
    }
    
    .action-btn span {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .main-nav {
        display: none;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .banner-grid {
        grid-template-columns: 1fr;
    }
    
    .banner-card.large {
        grid-column: span 1;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .login-left {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-info {
        padding: var(--space-sm);
    }
    
    .product-title {
        font-size: 0.8125rem;
    }
    
    .current-price {
        font-size: 0.9375rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.mt-md {
    margin-top: var(--space-md);
}

.mb-md {
    margin-bottom: var(--space-md);
}