/**
 * GusPeruStore - Main Stylesheet
 * Modern e-commerce design with black, white, and gold accent colors
 * Supports light and dark themes
 */

/* ============================
   CSS Variables & Theme
   ============================ */

:root {
    /* Colors - Light Theme */
    --color-black: #0a0a0a;
    --color-white: #ffffff;
    --color-gold: #D4AF37;
    --color-gold-light: #F4E5B2;
    --color-gold-dark: #B8960C;
    
    /* Neutrals */
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    
    /* Semantic Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* WhatsApp */
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    
    /* Theme-dependent colors (Light mode defaults) */
    --color-bg: var(--color-white);
    --color-bg-secondary: var(--color-gray-50);
    --color-bg-tertiary: var(--color-gray-100);
    --color-text: var(--color-gray-900);
    --color-text-secondary: var(--color-gray-600);
    --color-text-muted: var(--color-gray-400);
    --color-border: var(--color-gray-200);
    --color-border-hover: var(--color-gray-300);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Font Sizes */
    --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;
    
    /* Spacing */
    --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;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1rem;
    
    /* Header */
    --header-height: 70px;
}

/* Dark Theme */
[data-theme="dark"] {
    --color-bg: var(--color-gray-900);
    --color-bg-secondary: var(--color-gray-800);
    --color-bg-tertiary: var(--color-gray-700);
    --color-text: var(--color-gray-100);
    --color-text-secondary: var(--color-gray-400);
    --color-text-muted: var(--color-gray-500);
    --color-border: var(--color-gray-700);
    --color-border-hover: var(--color-gray-600);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.2);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.3), 0 1px 2px -1px rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
}

/* ============================
   Reset & Base Styles
   ============================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

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

/* ============================
   Utility Classes
   ============================ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.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;
}

/* ============================
   Buttons
   ============================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 500;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--color-text);
    color: var(--color-bg);
}

.btn-secondary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

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

.btn-whatsapp:hover {
    background: var(--color-whatsapp-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp-unavailable {
    background: #888888;
    color: var(--color-white);
}

.btn-whatsapp-unavailable:hover {
    background: #666666;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-full {
    width: 100%;
}

/* ============================
   Header
   ============================ */

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

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--space-4);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-text);
    flex-shrink: 0;
}

.logo-image {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    object-fit: cover;
}

.logo-text {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav {
    display: none;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    padding: var(--space-2) 0;
}

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

/* Dropdown */
.nav-dropdown {
    position: relative;
}

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

.dropdown-arrow {
    font-size: 0.6em;
    transition: transform var(--transition-fast);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    margin-top: var(--space-2);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

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

.dropdown-menu a {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--color-bg-secondary);
    color: var(--color-gold);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--color-bg-secondary);
    color: var(--color-gold);
}

/* Language Toggle */
.language-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
}

.lang-btn {
    padding: var(--space-1) var(--space-2);
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--color-gold);
}

.lang-separator {
    color: var(--color-border);
}

/* Theme Toggle */
.theme-toggle .sun-icon {
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
}

.hamburger {
    width: 18px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-fast);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

.mobile-menu-toggle.active .hamburger {
    background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
    transform: rotate(45deg) translate(4px, 4px);
}

.mobile-menu-toggle.active .hamburger::after {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Search Bar */
.search-bar {
    display: none;
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border);
}

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

.search-container {
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    padding-right: var(--space-10);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

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

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

.search-close {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--text-xl);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.search-results {
    margin-top: var(--space-2);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    max-height: 400px;
    overflow-y: auto;
    display: none;
}

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

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

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

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

.search-result-item img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.search-result-info h4 {
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-1);
}

.search-result-info span {
    font-size: var(--text-xs);
    color: var(--color-gold);
    font-weight: 600;
}

/* ============================
   Main Content
   ============================ */

.main {
    flex: 1;
}

.section {
    padding: var(--space-12) 0;
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-2);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-10);
}

/* ============================
   Hero Section
   ============================ */

.hero {
    background: linear-gradient(135deg, var(--color-black), var(--color-gray-800));
    padding: var(--space-16) var(--container-padding);
    text-align: center;
    color: var(--color-white);
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-6);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-300);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================
   Categories Section
   ============================ */

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
}

.category-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--color-gold);
}

.category-name {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

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

/* ============================
   Products Grid
   ============================ */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-6);
}

.product-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.product-link {
    display: block;
}

.product-image-container {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

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

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

.product-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

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

.badge-featured {
    background: var(--color-black);
    color: var(--color-gold);
}

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

.product-category {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-name {
    font-size: var(--text-base);
    font-weight: 600;
    margin: var(--space-2) 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--space-2);
}

.product-status {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

.status-available {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.status-unavailable {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.product-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-whatsapp);
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: background var(--transition-fast);
}

.product-whatsapp:hover {
    background: var(--color-whatsapp-dark);
}

/* ============================
   Features Section
   ============================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.feature-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    background: rgba(212, 175, 55, 0.1);
    border-radius: var(--radius-full);
}

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

.feature-card p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

/* ============================
   CTA Section
   ============================ */

.cta-section {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.cta-content p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
    opacity: 0.9;
}

.cta-section .btn-whatsapp {
    background: var(--color-black);
    color: var(--color-white);
}

.cta-section .btn-whatsapp:hover {
    background: var(--color-gray-800);
}

/* ============================
   Breadcrumbs
   ============================ */

.breadcrumbs {
    background: var(--color-bg-secondary);
    padding: var(--space-4) 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    flex-wrap: wrap;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumb-list li:not(:last-child)::after {
    content: '›';
    color: var(--color-text-muted);
}

.breadcrumb-list a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
    color: var(--color-gold);
}

.breadcrumb-list .active {
    color: var(--color-text);
    font-weight: 500;
}

/* ============================
   Catalog Page
   ============================ */

.catalog-header,
.category-header,
.page-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.page-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.page-subtitle {
    color: var(--color-text-secondary);
}

.catalog-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

/* Filters Sidebar */
.catalog-filters {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    z-index: var(--z-modal);
    padding: var(--space-6);
    overflow-y: auto;
}

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

.filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

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

.filters-close {
    font-size: var(--text-2xl);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.filter-group {
    margin-bottom: var(--space-6);
}

.filter-title {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.filter-option input {
    accent-color: var(--color-gold);
}

.filter-option:hover {
    color: var(--color-text);
}

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

.price-inputs {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
}

.price-inputs .price-input {
    width: 0;
    flex: 1;
    min-width: 0;
}

.price-input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: var(--text-sm);
}

.price-input:focus {
    outline: none;
    border-color: var(--color-gold);
}

.price-separator {
    color: var(--color-text-muted);
}

/* Catalog Toolbar */
.catalog-toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.filters-toggle {
    display: flex;
}

.catalog-search {
    flex: 1;
    position: relative;
    min-width: 200px;
}

.catalog-search-input {
    width: 100%;
    padding: var(--space-2) var(--space-4);
    padding-left: var(--space-10);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: var(--text-sm);
}

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

.catalog-search .search-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.catalog-sort {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
}

.sort-select {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: var(--text-sm);
    cursor: pointer;
}

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

/* No Results */
.no-results {
    text-align: center;
    padding: var(--space-16) var(--space-4);
    color: var(--color-text-muted);
}

.no-results svg {
    margin-bottom: var(--space-4);
}

.no-results h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

/* ============================
   Category Page
   ============================ */

.category-icon-large {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    background: rgba(212, 175, 55, 0.1);
    border-radius: var(--radius-full);
}

.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-4);
}

.empty-state svg {
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

.empty-state h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.other-categories {
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.other-categories h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
}

.categories-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
}

.category-link {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.category-link:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* ============================
   Product Detail Page
   ============================ */

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

/* Product Gallery */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.gallery-main {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: zoom-in;
}

.gallery-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zoom-indicator {
    position: absolute;
    bottom: var(--space-3);
    right: var(--space-3);
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.gallery-thumbs {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    padding-bottom: var(--space-2);
}

.gallery-thumb {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.gallery-thumb.active,
.gallery-thumb:hover {
    border-color: var(--color-gold);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Product Info */
.product-info-detail {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.product-category-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.product-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: 1.3;
}

.product-price-large {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-gold);
}

.product-status-detail {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
}

.product-status-detail.status-available {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.product-status-detail.status-unavailable {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.product-description h3 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.product-description p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

.product-contact-info {
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.product-contact-info p {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.product-contact-info p:last-child {
    margin-bottom: 0;
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
}

.image-modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.modal-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: var(--text-3xl);
    color: var(--color-white);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: var(--text-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-nav:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.modal-prev {
    left: -60px;
}

.modal-next {
    right: -60px;
}

/* Related Products */
.related-section {
    background: var(--color-bg-secondary);
}

/* ============================
   About & Contact Pages
   ============================ */

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

.about-text h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    margin-top: var(--space-6);
}

.about-text h2:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

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

.about-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-secondary);
}

.about-list svg {
    flex-shrink: 0;
    color: var(--color-gold);
}

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

.about-card {
    padding: var(--space-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.about-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

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

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.contact-list svg {
    flex-shrink: 0;
    color: var(--color-gold);
    margin-top: 2px;
}

.contact-list div {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.contact-list strong {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.contact-list a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.contact-list a:hover {
    color: var(--color-gold);
}

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

.hours-list li {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
}

.timezone {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* Contact Page Specific */
.contact-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-10);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.contact-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.contact-card .contact-icon {
    margin-bottom: var(--space-4);
    color: var(--color-gold);
}

.whatsapp-card .contact-icon {
    color: var(--color-whatsapp);
}

.contact-card h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.contact-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.info-card {
    padding: var(--space-6);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.info-card .info-icon {
    margin-bottom: var(--space-4);
    color: var(--color-gold);
}

.info-card h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

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

.hours-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
}

.shipping-info {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

.social-links-contact {
    display: flex;
    gap: var(--space-4);
}

.social-links-contact a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.social-links-contact a:hover {
    color: var(--color-gold);
}

/* FAQ Section */
.faq-section {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.faq-section h2 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    text-align: center;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    overflow: hidden;
}

.faq-item summary {
    padding: var(--space-4);
    font-weight: 500;
    cursor: pointer;
    background: var(--color-bg-secondary);
    transition: background var(--transition-fast);
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::before {
    content: '+';
    float: right;
    font-size: var(--text-xl);
    font-weight: 300;
    color: var(--color-gold);
}

.faq-item[open] summary::before {
    content: '−';
}

.faq-item summary:hover {
    background: var(--color-bg-tertiary);
}

.faq-item p {
    padding: var(--space-4);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================
   Footer
   ============================ */

.footer {
    background: var(--color-black);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.footer-logo span {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-gold);
}

.footer-description {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-gray-400);
}

.footer-title {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

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

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--color-gold);
}

.footer-contact a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-gold);
}

.footer-hours {
    margin-top: var(--space-6);
}

.footer-hours h5 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-2);
}

.footer-hours p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-1);
}

.footer-hours .timezone {
    color: var(--color-gray-500);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-6) 0;
    border-top: 1px solid var(--color-gray-800);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--color-gray-800);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ============================
   WhatsApp Float Button
   ============================ */

.whatsapp-float {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: var(--color-whatsapp-dark);
    transform: scale(1.1);
    animation: none;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ============================
   Responsive Design
   ============================ */

/* Small devices (480px and up) */
@media (min-width: 480px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
    :root {
        --header-height: 80px;
    }
    
    .nav {
        display: block;
        visibility: visible;
        transform: none;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    .filters-toggle {
        display: none;
    }
    
    .catalog-layout {
        grid-template-columns: 250px 1fr;
    }
    
    .catalog-filters {
        display: block;
        position: static;
        background: transparent;
        padding: 0;
        overflow: visible;
    }
    
    .filters-header {
        display: none;
    }
    
    .product-detail {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-content {
        grid-template-columns: 2fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-prev {
        left: 20px;
    }
    
    .modal-next {
        right: 20px;
    }
}

/* Large devices (1024px and up) */
@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
    
    .product-title {
        font-size: var(--text-3xl);
    }
}

/* Extra large devices (1280px and up) */
@media (min-width: 1280px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Mobile Navigation Overlay */
@media (max-width: 767px) {
    .nav {
        display: block;
        visibility: hidden;
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: auto;
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
        background: var(--color-bg);
        padding: var(--space-6);
        z-index: var(--z-modal);
        transform: translateY(-100%);
        transition: transform var(--transition-slow), visibility var(--transition-slow);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    
    .nav-link {
        font-size: var(--text-lg);
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding-left: var(--space-4);
        margin-top: var(--space-2);
        display: none;
    }
    
    .nav-dropdown.active .dropdown-menu {
        display: block;
    }

    .header-content {
        gap: var(--space-2);
    }

    .header-actions {
        gap: var(--space-1);
    }

    .icon-btn {
        width: 34px;
        height: 34px;
    }

    .language-toggle {
        font-size: var(--text-xs);
        gap: 2px;
    }

    .lang-btn {
        padding: 2px 4px;
    }

    .lang-separator {
        margin: 0;
    }

    .search-input,
    .catalog-search-input,
    .price-input,
    .sort-select {
        font-size: 16px;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .whatsapp-float,
    .search-bar,
    .product-whatsapp {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .product-card {
        break-inside: avoid;
    }
}