/**
 * Fashion Vault Premium - Professional E-Commerce CSS
 * Version: 4.1 - Performance Optimized
 * Modern, accessible, mobile-first design system
 * Lighthouse optimizations applied
 */

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */
/* Content-visibility for off-screen content */
.products-grid,
.reviews-section,
.newsletter-section,
.footer {
    content-visibility: auto;
    contain-intrinsic-size: 0 500px;
}

/* GPU acceleration for animations */
.product-card,
.product-image,
.cart-drawer,
.wishlist-drawer,
.modal {
    will-change: transform;
}

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

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Colors - Light Mode */
    --color-primary: #ff006e;
    --color-primary-light: #ff4d94;
    --color-primary-dark: #cc0058;
    --color-primary-bg: rgba(255, 0, 110, 0.08);
    
    --color-secondary: #6366f1;
    --color-secondary-light: #818cf8;
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Background */
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #18181f;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-overlay: rgba(0, 0, 0, 0.8);
    
    /* Text */
    --text-primary: #f9fafb;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --text-inverse: #111827;
    
    /* Borders */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-light: rgba(255, 255, 255, 0.05);
    --border-color-focus: var(--color-primary);
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(255, 0, 110, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(255, 0, 110, 0.4);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;
    
    /* Spacing */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-toast: 700;
    
    /* Container */
    --container-max: 1440px;
    --container-padding: 1rem;
    
    /* Header */
    --header-height: 70px;
    --announcement-height: 40px;
}

/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

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

ul, ol {
    list-style: none;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 9999;
    padding: var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
}

.skip-link:focus {
    left: var(--space-4);
    top: var(--space-4);
}

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

.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;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-sm), 0 0 20px rgba(255, 0, 110, 0.2);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-card);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-hero {
    background: var(--color-white);
    color: var(--color-gray-900);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-hero-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-full);
}

.btn-hero-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-load-more {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: var(--space-4) var(--space-8);
}

.btn-load-more:hover {
    background: var(--bg-card-hover);
    border-color: var(--color-primary);
}

.btn-checkout {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: var(--space-4);
    font-size: var(--text-base);
    box-shadow: var(--shadow-glow);
}

.btn-checkout:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-lg);
}

.btn-newsletter {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-4) var(--space-6);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.btn-newsletter:hover {
    background: var(--color-primary-dark);
}

/* ============================================
   ANNOUNCEMENT SLIDER
   ============================================ */
.announcement-slider {
    position: relative;
    min-height: var(--announcement-height);
    overflow: hidden;
    z-index: calc(var(--z-sticky) + 1);
}

.announcement-slider.hidden {
    display: none;
}

.announcement-slider-wrapper {
    position: relative;
    min-height: var(--announcement-height);
}

.announcement-slides {
    position: relative;
    width: 100%;
    min-height: var(--announcement-height);
}

.announcement-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: var(--announcement-height);
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: 200% 100%;
    animation: gradientShift 4s ease infinite;
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.announcement-slide.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.announcement-slide-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-12);
    color: var(--color-white);
    cursor: pointer;
    text-align: center;
    max-width: 100%;
    transition: transform var(--transition-fast);
}

.announcement-slide-content:hover {
    transform: scale(1.02);
}

.announcement-text {
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: 1.4;
}

.announcement-text strong {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.announcement-icon {
    font-size: var(--text-base);
    animation: pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* Navigation Arrows */
.announcement-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
    z-index: 10;
}

.announcement-slider-wrapper:hover .announcement-nav {
    opacity: 1;
}

.announcement-nav:hover {
    background: rgba(0, 0, 0, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.announcement-nav-prev {
    left: var(--space-2);
}

.announcement-nav-next {
    right: calc(var(--space-2) + 28px);
}

/* Slide Indicators */
.announcement-indicators {
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.announcement-indicator {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all var(--transition-fast);
}

.announcement-indicator:hover {
    background: rgba(255, 255, 255, 0.7);
}

.announcement-indicator.active {
    background: var(--color-white);
    width: 18px;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* Close Button */
.announcement-close {
    position: absolute;
    top: 50%;
    right: var(--space-2);
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    opacity: 0.7;
    transition: all var(--transition-fast);
    z-index: 10;
}

.announcement-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.4);
    transform: translateY(-50%) scale(1.1);
}

/* Mobile Optimizations */
@media (max-width: 639px) {
    .announcement-slide-content {
        padding: var(--space-2) var(--space-8);
        font-size: var(--text-xs);
    }
    
    .announcement-text {
        font-size: var(--text-xs);
    }
    
    .announcement-icon {
        font-size: var(--text-sm);
    }
    
    .announcement-nav {
        width: 24px;
        height: 24px;
        display: none;
    }
    
    .announcement-indicators {
        bottom: 2px;
    }
    
    .announcement-indicator {
        width: 4px;
        height: 4px;
    }
    
    .announcement-indicator.active {
        width: 12px;
    }
}

/* Legacy Announcement Bar Support */
.announcement-bar {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-primary) 100%);
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: var(--announcement-height);
}

.announcement-content {
    text-align: center;
    flex: 1;
}

.announcement-bar.hidden {
    display: none;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(17, 17, 24, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-3) var(--container-padding);
    min-height: var(--header-height);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--color-primary);
}

.logo-badge {
    font-size: 8px;
    font-weight: 700;
    color: #ffd700;
    background: rgba(255, 215, 0, 0.15);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

/* Search */
.search-container {
    flex: 1;
    max-width: 600px;
    position: relative;
    display: none;
}

.search-form {
    display: flex;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-12);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-sm);
    transition: all var(--transition-base);
}

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

.search-input::placeholder {
    color: var(--text-muted);
}

.search-clear {
    position: absolute;
    right: var(--space-3);
    padding: var(--space-1);
    color: var(--text-muted);
    display: none;
}

.search-clear.visible {
    display: flex;
}

.search-btn {
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    transition: background var(--transition-base);
}

.search-btn:hover {
    background: var(--color-primary-dark);
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none;
    max-height: 400px;
    overflow-y: auto;
    z-index: var(--z-dropdown);
}

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

.search-suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.search-suggestion-item:hover {
    background: var(--bg-card);
}

.search-suggestion-item img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.search-suggestion-info {
    flex: 1;
    min-width: 0;
}

.search-suggestion-name {
    font-size: var(--text-sm);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-suggestion-price {
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: 600;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-action-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
}

.header-action-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.header-action-label {
    font-size: 10px;
    margin-top: 2px;
    display: none;
}

.header-action-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 10px;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-action-badge:empty,
.header-action-badge[data-count="0"] {
    display: none;
}

.cart-badge {
    animation: cartBounce 0.3s ease;
}

@keyframes cartBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* Account Dropdown */
.header-action-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 280px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.header-action-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-title {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.dropdown-subtitle {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.dropdown-actions {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
}

.dropdown-actions .btn {
    flex: 1;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
}

.dropdown-nav {
    padding: var(--space-2);
}

.dropdown-nav a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.dropdown-nav a:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: var(--space-2);
    z-index: calc(var(--z-modal) + 1);
}

.hamburger-line {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-search-toggle {
    display: flex;
}

/* ============================================
   MAIN NAVIGATION
   ============================================ */
.main-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: none;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.nav-icon {
    font-size: var(--text-base);
}

.nav-arrow {
    margin-left: var(--space-1);
    transition: transform var(--transition-fast);
}

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

.sale-link {
    color: var(--color-primary) !important;
}

.sale-badge {
    font-size: 9px;
    font-weight: 700;
    padding: 2px 6px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    animation: pulse 2s ease-in-out infinite;
}

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 400px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.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-6);
    padding: var(--space-6);
}

.mega-menu-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color);
}

.mega-menu-list li {
    margin-bottom: var(--space-2);
}

.mega-menu-list a {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

/* ============================================
   MOBILE NAVIGATION
   ============================================ */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 320px;
    height: 100%;
    background: var(--bg-secondary);
    z-index: var(--z-modal);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.mobile-nav-overlay.active .mobile-nav {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-title {
    font-size: var(--text-lg);
    font-weight: 600;
}

.mobile-nav-close {
    padding: var(--space-2);
    color: var(--text-secondary);
}

.mobile-nav-menu {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: var(--bg-card);
    color: var(--text-primary);
}

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

.mobile-nav-icon {
    font-size: var(--text-xl);
    width: 28px;
    text-align: center;
}

.mobile-nav-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
}

.mobile-nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-3) 0;
}

.mobile-nav-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Mobile Search */
.mobile-search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.mobile-search-container {
    padding: var(--space-4);
}

.mobile-search-form {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.mobile-search-back {
    padding: var(--space-2);
    color: var(--text-secondary);
}

.mobile-search-input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
}

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

.mobile-search-submit {
    padding: var(--space-3);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
}

.mobile-search-suggestions {
    margin-top: var(--space-4);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-slider {
    width: 100%;
}

.hero-slide {
    background: var(--bg-gradient, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    padding: var(--space-12) var(--container-padding);
    min-height: 500px;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
}

.hero-highlight {
    color: #ffd700;
}

.hero-description {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-6);
    line-height: var(--leading-relaxed);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   HERO BANNER SLIDER (New Enhanced Version)
   ============================================ */
.hero-banner-slider {
    position: relative;
    width: 100%;
    min-height: 500px;
    overflow: hidden;
}

.hero-banner-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 500px;
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transform: translateX(50px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.hero-banner-slide.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    z-index: 2;
}

.hero-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-8) var(--container-padding);
    gap: var(--space-8);
}

.hero-banner-text {
    flex: 1;
    max-width: 650px;
    z-index: 10;
}

.hero-banner-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: #ffd700;
    font-size: var(--text-sm);
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
    animation: badgePulse 2s ease-in-out infinite;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4); }
    50% { transform: scale(1.02); box-shadow: 0 0 20px rgba(255, 215, 0, 0.4); }
}

.hero-banner-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    backdrop-filter: blur(10px);
}

.hero-banner-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: var(--space-4);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-banner-highlight {
    color: #ffd700;
    display: block;
    position: relative;
}

.hero-banner-highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, #ffd700 0%, transparent 100%);
    border-radius: var(--radius-full);
}

.hero-banner-description {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-6);
    line-height: var(--leading-relaxed);
    max-width: 500px;
}

.hero-banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.btn-hero-banner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: var(--color-white);
    color: var(--color-gray-900);
    font-size: var(--text-base);
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-hero-banner:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.btn-hero-banner-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    background: transparent;
    color: var(--color-white);
    font-size: var(--text-base);
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-hero-banner-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.hero-banner-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-banner-feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    backdrop-filter: blur(5px);
}

.hero-banner-feature svg {
    color: #10b981;
}

/* Visual/Decoration Section */
.hero-banner-visual {
    flex: 0 0 300px;
    position: relative;
    display: none;
}

.hero-banner-decoration {
    position: relative;
    width: 300px;
    height: 300px;
}

.hero-banner-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.2;
}

.hero-banner-circle.circle-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: circleFloat 6s ease-in-out infinite;
}

.hero-banner-circle.circle-2 {
    width: 200px;
    height: 200px;
    top: 50px;
    left: 50px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.4) 0%, transparent 70%);
    animation: circleFloat 8s ease-in-out infinite reverse;
}

.hero-banner-circle.circle-3 {
    width: 150px;
    height: 150px;
    top: 80px;
    right: 20px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.25) 0%, transparent 70%);
    animation: circleFloat 5s ease-in-out infinite;
}

@keyframes circleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(10px, -15px) scale(1.05); }
    50% { transform: translate(-5px, 10px) scale(0.95); }
    75% { transform: translate(-10px, -5px) scale(1.02); }
}

/* Navigation Arrows */
.hero-banner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-base);
    z-index: 100;
}

.hero-banner-slider:hover .hero-banner-nav {
    opacity: 1;
}

.hero-banner-nav:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.hero-banner-nav-prev {
    left: var(--space-4);
}

.hero-banner-nav-next {
    right: var(--space-4);
}

/* Slide Indicators */
.hero-banner-indicators {
    position: absolute;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-3);
    z-index: 100;
}

.hero-banner-indicator {
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    padding: 0;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.hero-banner-indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

.hero-banner-indicator.active {
    width: 60px;
    background: rgba(255, 255, 255, 0.3);
}

.indicator-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--color-white);
    border-radius: var(--radius-full);
}

.hero-banner-indicator.active .indicator-progress {
    animation: indicatorProgress 5000ms linear forwards;
}

@keyframes indicatorProgress {
    from { width: 0; }
    to { width: 100%; }
}

/* Responsive Styles for Hero Banner */
@media (max-width: 639px) {
    .hero-banner-slider,
    .hero-banner-slide {
        min-height: 450px;
    }
    
    .hero-banner-content {
        padding: var(--space-6) var(--container-padding);
        flex-direction: column;
    }
    
    .hero-banner-title {
        font-size: var(--text-2xl);
    }
    
    .hero-banner-description {
        font-size: var(--text-sm);
    }
    
    .hero-banner-actions {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .btn-hero-banner,
    .btn-hero-banner-outline {
        width: 100%;
        padding: var(--space-3) var(--space-6);
        font-size: var(--text-sm);
    }
    
    .hero-banner-features {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .hero-banner-nav {
        width: 40px;
        height: 40px;
        display: none;
    }
    
    .hero-banner-indicators {
        bottom: var(--space-4);
    }
    
    .hero-banner-indicator {
        width: 24px;
        height: 3px;
    }
    
    .hero-banner-indicator.active {
        width: 40px;
    }
    

}

@media (min-width: 640px) and (max-width: 1023px) {
    .hero-banner-slider,
    .hero-banner-slide {
        min-height: 500px;
    }
    
    .hero-banner-title {
        font-size: var(--text-3xl);
    }
    
    .hero-banner-nav {
        opacity: 1;
    }
}

@media (min-width: 1024px) {
    .hero-banner-slider,
    .hero-banner-slide {
        min-height: 550px;
    }
    
    .hero-banner-visual {
        display: block;
    }
    
    .hero-banner-nav-prev {
        left: var(--space-6);
    }
    
    .hero-banner-nav-next {
        right: var(--space-6);
    }
}

@media (min-width: 1280px) {
    .hero-banner-slider,
    .hero-banner-slide {
        min-height: 600px;
    }
    
    .hero-banner-title {
        font-size: var(--text-5xl);
    }
    
    .hero-banner-description {
        font-size: var(--text-xl);
    }
}

/* ============================================
   TRUST BADGES
   ============================================ */
.trust-badges {
    background: var(--bg-secondary);
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--border-color);
}

.trust-badges-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
}

.trust-badge-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
}

.trust-badge-content h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.trust-badge-content p {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products-section {
    padding: var(--space-12) 0;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.section-header.centered {
    text-align: center;
    align-items: center;
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: var(--text-base);
    color: var(--text-muted);
    max-width: 600px;
}

.products-count {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* Category Tabs */
.category-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: var(--space-2);
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.category-tab {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    white-space: nowrap;
    transition: all var(--transition-base);
}

.category-tab:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.category-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-glow);
}

.tab-icon {
    font-size: var(--text-base);
}

/* Filters Bar */
.filters-bar {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.filters-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.filter-toggle:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.active-filter-tag {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.active-filter-tag button {
    padding: 2px;
    color: var(--color-primary);
}

.filters-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.view-toggle {
    display: none;
    gap: var(--space-1);
    padding: var(--space-1);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.view-btn {
    padding: var(--space-2);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.view-btn:hover {
    color: var(--text-secondary);
}

.view-btn.active {
    background: var(--bg-card);
    color: var(--text-primary);
}

.sort-dropdown {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.sort-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    display: none;
}

.sort-select {
    padding: var(--space-2) var(--space-8) var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-sm);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Filters Panel */
.filters-panel {
    display: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    overflow: hidden;
}

.filters-panel.active {
    display: block;
}

.filters-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.filters-panel-header h3 {
    font-size: var(--text-base);
    font-weight: 600;
}

.clear-filters {
    font-size: var(--text-sm);
    color: var(--color-primary);
    font-weight: 500;
}

.filters-panel-body {
    padding: var(--space-4);
    display: grid;
    gap: var(--space-6);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.filter-group-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.filter-option:hover {
    background: var(--bg-card);
}

.filter-option input {
    display: none;
}

.filter-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.filter-option input:checked + .filter-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.filter-option input:checked + .filter-checkbox::after {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-white);
    border-radius: var(--radius-full);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.products-loading {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16);
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-4);
}

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

/* Product Card */
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    animation: fadeInUp 0.4s ease forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-color-focus);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

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

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

.product-badges {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    right: var(--space-3);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.discount-badge {
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
}

.wishlist-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: var(--text-lg);
    transition: all var(--transition-fast);
}

.wishlist-btn:hover {
    background: var(--color-primary);
    transform: scale(1.1);
}

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

.product-actions {
    position: absolute;
    bottom: var(--space-3);
    left: var(--space-3);
    right: var(--space-3);
    display: flex;
    gap: var(--space-2);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateY(0);
}

.quick-view-btn {
    flex: 1;
    padding: var(--space-3);
    background: var(--color-white);
    color: var(--color-gray-900);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.product-info {
    padding: var(--space-4);
}

.product-brand {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-1);
}

.product-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    min-height: 2.8em;
}

.product-category {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.rating-stars {
    color: #ffd700;
}

.rating-value {
    font-weight: 600;
    color: var(--text-primary);
}

.rating-count {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

.product-cod {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-success);
    margin-bottom: var(--space-2);
}

.product-prices {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-1);
}

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

.final-price {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.usd-price {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

.add-to-cart-btn {
    width: 100%;
    padding: var(--space-3);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.add-to-cart-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

/* No Products */
.no-products {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-16);
}

.no-products-icon {
    font-size: 64px;
    margin-bottom: var(--space-4);
}

.no-products h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.no-products p {
    color: var(--text-muted);
    margin-bottom: var(--space-6);
}

/* Load More */
.load-more-container {
    text-align: center;
    margin-top: var(--space-8);
}

.load-more-info {
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews-section {
    padding: var(--space-12) 0;
    background: var(--bg-secondary);
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.review-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-3);
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.review-avatar {
    width: 48px;
    height: 48px;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    font-weight: 600;
}

.review-name {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.review-location {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.verified-badge {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--color-success);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.review-rating {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    color: #ffd700;
}

.review-rating span {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.review-text {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-3);
}

.review-date {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */
.newsletter-section {
    padding: var(--space-12) 0;
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.newsletter-description {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.newsletter-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.newsletter-input {
    flex: 1;
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--text-base);
}

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

.newsletter-privacy {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.footer-main {
    padding: var(--space-12) 0;
    border-bottom: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    display: inline-block;
    margin-bottom: var(--space-3);
}

.footer-logo span {
    color: var(--color-primary);
}

.footer-brand-text {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.footer-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.footer-bottom {
    padding: var(--space-6) 0;
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    text-align: center;
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.footer-trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ============================================
   CART DRAWER
   ============================================ */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 420px;
    height: 100%;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

.cart-drawer.active {
    transform: translateX(0);
}

.cart-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.cart-drawer-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    font-weight: 600;
}

.cart-drawer-count {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--text-muted);
}

.cart-drawer-close {
    padding: var(--space-2);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.cart-drawer-close:hover {
    color: var(--color-primary);
}

.cart-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    -webkit-overflow-scrolling: touch;
}

.cart-empty {
    text-align: center;
    padding: var(--space-12) var(--space-4);
}

.cart-empty-icon {
    font-size: 64px;
    margin-bottom: var(--space-4);
}

.cart-empty h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.cart-empty p {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.cart-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
}

.cart-item-details {
    flex: 1;
    min-width: 0;
}

.cart-item-name {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-1);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-meta {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.cart-item-price {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-primary);
}

.cart-item-remove {
    padding: var(--space-2);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.cart-item-remove:hover {
    color: var(--color-error);
}

.cart-drawer-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.cart-summary {
    margin-bottom: var(--space-4);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.cart-summary-row.cart-total {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    padding-top: var(--space-3);
    margin-top: var(--space-2);
    border-top: 1px solid var(--border-color);
}

.cart-shipping-progress {
    margin-top: var(--space-4);
    padding: var(--space-3);
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.shipping-progress-bar {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-2);
}

.shipping-progress-fill {
    height: 100%;
    background: var(--color-success);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.shipping-progress-text {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-align: center;
}

.cart-secure-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ============================================
   WISHLIST DRAWER
   ============================================ */
.wishlist-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.wishlist-overlay.active {
    opacity: 1;
    visibility: visible;
}

.wishlist-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 420px;
    height: 100%;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

.wishlist-drawer.active {
    transform: translateX(0);
}

.wishlist-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
}

.wishlist-drawer-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-primary);
}

.wishlist-drawer-title svg {
    stroke: var(--color-primary);
}

.wishlist-drawer-count {
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--text-muted);
}

.wishlist-drawer-close {
    padding: var(--space-2);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.wishlist-drawer-close:hover {
    color: var(--color-primary);
}

.wishlist-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    -webkit-overflow-scrolling: touch;
}

.wishlist-empty {
    text-align: center;
    padding: var(--space-12) var(--space-4);
}

.wishlist-empty-icon {
    font-size: 64px;
    margin-bottom: var(--space-4);
    opacity: 0.6;
}

.wishlist-empty h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.wishlist-empty p {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

.wishlist-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
    transition: all var(--transition-fast);
}

.wishlist-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(255, 0, 110, 0.1);
}

.wishlist-item-image {
    width: 80px;
    height: 100px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.wishlist-item-image:hover {
    transform: scale(1.05);
}

.wishlist-item-details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.wishlist-item-name {
    font-size: var(--text-sm);
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.wishlist-item-name:hover {
    color: var(--color-primary);
}

.wishlist-item-meta {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.wishlist-item-price {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.wishlist-item-price-original {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-decoration: line-through;
}

.wishlist-item-price-sale {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-primary);
}

.wishlist-item-discount {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.wishlist-item-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    justify-content: center;
}

.wishlist-item-cart-btn {
    padding: var(--space-2) var(--space-3);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.wishlist-item-cart-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.wishlist-item-remove {
    padding: var(--space-2);
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.wishlist-item-remove:hover {
    color: var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

.wishlist-drawer-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    background: var(--bg-tertiary);
}

/* ============================================
   MODALS
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: var(--z-modal);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-4);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 600px;
    margin: var(--space-8) 0;
    animation: modalSlideIn var(--transition-slow);
    overflow: hidden;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: 600;
}

.modal-close {
    padding: var(--space-2);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
}

/* Product Modal */
.product-modal-content {
    max-width: 900px;
}

.product-modal-grid {
    display: grid;
    gap: var(--space-6);
}

.product-modal-image {
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-tertiary);
}

.product-modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-modal-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.size-selector {
    padding: var(--space-4);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
}

.size-selector-title {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.size-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.size-btn {
    min-width: 48px;
    padding: var(--space-2) var(--space-4);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.size-btn:hover {
    border-color: var(--color-secondary);
    background: rgba(99, 102, 241, 0.1);
}

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

.size-error {
    color: var(--color-error);
    font-size: var(--text-sm);
    margin-top: var(--space-2);
    display: none;
}

.size-error.show {
    display: block;
}

/* Auth Modal */
.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    padding: var(--space-4);
    font-weight: 600;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.auth-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

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

.form-input {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast);
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.form-link {
    color: var(--color-primary);
    font-size: var(--text-sm);
    text-align: right;
}

/* Order Success Modal */
.order-success {
    text-align: center;
    padding: var(--space-8);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: var(--color-success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.4);
    animation: successPop 0.5s ease;
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.order-details {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin: var(--space-6) 0;
}

.order-detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-3);
    border-bottom: 1px solid var(--border-color);
}

.order-detail-row:last-child {
    border-bottom: none;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--color-secondary) 0%, #a855f7 100%);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-weight: 500;
    animation: toastSlideIn var(--transition-slow);
    max-width: 350px;
}

@keyframes toastSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    background: linear-gradient(135deg, var(--color-success) 0%, #34d399 100%);
}

.toast.error {
    background: linear-gradient(135deg, var(--color-error) 0%, #f87171 100%);
}

.toast-close {
    margin-left: auto;
    padding: var(--space-1);
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
}

/* ============================================
   RESPONSIVE - SMALL MOBILE (320px - 374px)
   ============================================ */
@media (max-width: 374px) {
    :root {
        --container-padding: 0.75rem;
    }
    
    /* Header */
    .header-container {
        padding: var(--space-2) var(--container-padding);
    }
    
    .logo-text {
        font-size: var(--text-lg);
    }
    
    .logo-badge {
        font-size: 7px;
        padding: 1px 4px;
    }
    
    .header-actions {
        gap: var(--space-1);
    }
    
    .header-action-btn {
        min-width: 36px;
        min-height: 36px;
        padding: var(--space-1);
    }
    
    /* Hero */
    .hero-section {
        min-height: 400px;
    }
    
    .hero-slide {
        padding: var(--space-8) var(--container-padding);
        min-height: 400px;
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .hero-description {
        font-size: var(--text-sm);
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .btn-hero,
    .btn-hero-outline {
        padding: var(--space-3) var(--space-5);
        font-size: var(--text-sm);
        width: 100%;
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    /* Trust Badges */
    .trust-badges-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2);
    }
    
    .trust-badge {
        padding: var(--space-2);
        flex-direction: column;
        text-align: center;
    }
    
    .trust-badge-icon {
        width: 36px;
        height: 36px;
    }
    
    .trust-badge-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .trust-badge-content h4 {
        font-size: var(--text-xs);
    }
    
    .trust-badge-content p {
        font-size: 10px;
    }
    
    /* Category Tabs */
    .category-tabs {
        gap: var(--space-1);
    }
    
    .category-tab {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-xs);
    }
    
    /* Products Grid */
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .product-info {
        padding: var(--space-3);
    }
    
    .product-name {
        font-size: var(--text-xs);
        min-height: 2.4em;
    }
    
    .final-price {
        font-size: var(--text-lg);
    }
    
    /* Section Headers */
    .section-title {
        font-size: var(--text-xl);
    }
    
    .section-subtitle {
        font-size: var(--text-sm);
    }
    
    /* Newsletter */
    .newsletter-title {
        font-size: var(--text-lg);
    }
}

/* ============================================
   RESPONSIVE - MOBILE (375px - 480px)
   ============================================ */
@media (min-width: 375px) and (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    /* Products Grid - 2 columns on larger mobile */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }
    
    .product-image-container {
        aspect-ratio: 1/1.2;
    }
    
    .product-info {
        padding: var(--space-3);
    }
    
    .product-name {
        font-size: var(--text-xs);
    }
    
    .product-brand {
        font-size: 10px;
    }
}

/* ============================================
   RESPONSIVE - LARGE MOBILE (481px - 639px)
   ============================================ */
@media (min-width: 481px) and (max-width: 639px) {
    :root {
        --container-padding: 1rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
}

/* ============================================
   RESPONSIVE - SMALL TABLET (640px - 767px)
   ============================================ */
@media (min-width: 640px) and (max-width: 767px) {
    :root {
        --container-padding: 1.25rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .trust-badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .search-container {
        display: block;
        max-width: 300px;
    }
}

/* ============================================
   RESPONSIVE - TABLET (768px+)
   ============================================ */
@media (min-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    /* Header */
    .header-container {
        padding: var(--space-4) var(--container-padding);
    }
    
    .logo-text {
        font-size: var(--text-2xl);
    }
    
    .search-container {
        display: block;
        max-width: 400px;
    }
    
    .mobile-search-toggle {
        display: none;
    }
    
    .header-action-label {
        display: block;
    }
    
    /* Hero */
    .hero-title {
        font-size: var(--text-5xl);
    }
    
    /* Trust Badges */
    .trust-badges-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Products */
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-5);
    }
    
    .filters-bar {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .sort-label {
        display: block;
    }
    
    .view-toggle {
        display: flex;
    }
    
    .filters-panel-body {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Reviews */
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Newsletter */
    .newsletter-input-group {
        flex-direction: row;
    }
    
    .newsletter-input {
        border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    
    .footer-bottom-content {
        flex-direction: row;
        justify-content: space-between;
    }
    
    /* Modal */
    .product-modal-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============================================
   RESPONSIVE - DESKTOP (1024px+)
   ============================================ */
@media (min-width: 1024px) {
    :root {
        --container-padding: 2rem;
    }
    
    /* Header */
    .mobile-menu-toggle {
        display: none;
    }
    
    .main-nav {
        display: block;
    }
    
    .search-container {
        max-width: 500px;
    }
    
    .header-action-dropdown:hover .account-dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    /* Products */
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-6);
    }
    
    /* Reviews */
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    }
}

/* ============================================
   RESPONSIVE - LARGE DESKTOP (1280px+)
   ============================================ */
@media (min-width: 1280px) {
    :root {
        --container-padding: 2.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .search-container {
        max-width: 600px;
    }
}

/* ============================================
   RESPONSIVE - EXTRA LARGE (1536px+)
   ============================================ */
@media (min-width: 1536px) {
    .products-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ============================================
   RESPONSIVE - 4K SCREENS (2560px+)
   ============================================ */
@media (min-width: 2560px) {
    :root {
        --container-max: 1920px;
        --container-padding: 3rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .header,
    .announcement-bar,
    .mobile-nav-overlay,
    .cart-drawer,
    .back-to-top,
    .toast-container,
    .newsletter-section,
    .filters-bar {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .product-card {
        break-inside: avoid;
    }
}