/* Desktop Center v2 - Product Introduction Website
   Modern Persian RTL Design System with Theme Support */

/* Import Persian Font */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   THEME SYSTEM
   ============================================ */

/* Ocean Blue Theme (Default) */
:root,
[data-theme="ocean"] {
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #2563eb;
    --secondary: #06b6d4;
    --accent: #8b5cf6;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

/* Forest Green Theme */
[data-theme="forest"] {
    --primary: #059669;
    --primary-light: #10b981;
    --primary-dark: #047857;
    --secondary: #34d399;
    --accent: #22d3ee;
    --gradient-primary: linear-gradient(135deg, #059669 0%, #10b981 100%);
}

/* Sunset Orange Theme */
[data-theme="sunset"] {
    --primary: #ea580c;
    --primary-light: #f97316;
    --primary-dark: #c2410c;
    --secondary: #f59e0b;
    --accent: #fbbf24;
    --gradient-primary: linear-gradient(135deg, #ea580c 0%, #f59e0b 100%);
}

/* Rose Pink Theme */
[data-theme="rose"] {
    --primary: #db2777;
    --primary-light: #ec4899;
    --primary-dark: #be185d;
    --secondary: #f472b6;
    --accent: #a855f7;
    --gradient-primary: linear-gradient(135deg, #db2777 0%, #f472b6 100%);
}

/* Royal Purple Theme */
[data-theme="royal"] {
    --primary: #7c3aed;
    --primary-light: #8b5cf6;
    --primary-dark: #6d28d9;
    --secondary: #a78bfa;
    --accent: #c4b5fd;
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
}

/* Shared Variables */
:root {
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Dark Theme Colors (Default) */
    --bg-dark: #0a0a0f;
    --bg-card: #1a1a24;
    --bg-card-hover: #25252f;
    --bg-input: #0f0f14;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);

    /* Gradients */
    --gradient-hero: linear-gradient(180deg, #0a0a0f 0%, #1a1a24 100%);
    --gradient-card: linear-gradient(145deg, #1a1a24 0%, #0f0f14 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(var(--primary-rgb, 59, 130, 246), 0.2);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Light Mode */
[data-mode="light"] {
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-input: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: rgba(0, 0, 0, 0.1);
    --gradient-hero: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f1f5f9 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

[data-mode="light"] .navbar {
    background: rgba(248, 250, 252, 0.95);
}

[data-mode="light"] .navbar.scrolled {
    background: rgba(248, 250, 252, 0.98);
}

[data-mode="light"] .nav-menu a:hover {
    background: rgba(0, 0, 0, 0.05);
}

[data-mode="light"] .theme-dropdown {
    background: #ffffff;
}

[data-mode="light"] .theme-option:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* ============================================
   CSS RESET & BASE
   ============================================ */

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

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

body {
    font-family: 'Vazirmatn', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.8;
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

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

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

/* ============================================
   LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1rem;
    box-shadow: var(--shadow-md);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

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

.theme-selector {
    position: relative;
}

.theme-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: transform var(--transition-fast);
}

.theme-btn:hover {
    transform: scale(1.1);
}

.theme-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: var(--space-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    display: none;
    min-width: 150px;
    box-shadow: var(--shadow-xl);
}

.theme-dropdown.active {
    display: block;
}

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

.theme-option:hover {
    background: rgba(255, 255, 255, 0.05);
}

.theme-option .color-dot {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: var(--space-3xl);
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.08;
    transform: translateX(-50%);
    filter: blur(80px);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--space-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
}

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb, 59, 130, 246), 0.1);
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

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

.btn-danger:hover {
    background: #dc2626;
    color: white;
}

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

.products-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-dark);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    text-decoration: none;
    display: block;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.product-card:hover::before {
    opacity: 1;
}

.product-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: var(--space-lg);
    color: white;
}

.product-icon .product-logo {
    width: 45px;
    height: 45px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.product-hero-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.product-card .tagline {
    font-size: 0.875rem;
    color: var(--primary-light);
    margin-bottom: var(--space-md);
}

.product-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary-light);
    font-weight: 500;
}

/* ============================================
   PRODUCT PAGE
   ============================================ */

.product-hero {
    min-height: 50vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: var(--space-3xl);
    background: var(--gradient-hero);
    position: relative;
}

.product-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.product-hero-text {
    position: relative;
    z-index: 1;
}

.product-hero-text .tagline {
    font-size: 1rem;
    color: var(--secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-hero-text h1 {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.product-hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 0;
}

.product-logo-large {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
    box-shadow: var(--shadow-xl);
}

/* Content Sections */
.content-section {
    padding: var(--space-3xl) 0;
}

.content-section:nth-child(even) {
    background: var(--bg-card);
}

.content-section h2 {
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.content-section h2::before {
    content: '';
    width: 4px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-item {
    background: var(--bg-dark);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.feature-item:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

.feature-item h4 {
    margin-bottom: var(--space-sm);
}

/* Benefits List */
.benefits-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(var(--primary-rgb, 59, 130, 246), 0.08);
    border-radius: var(--radius-lg);
    border-right: 3px solid var(--primary);
}

.benefits-list li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

/* Use Cases */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
}

.use-case {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-dark);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.use-case:hover {
    border-color: var(--primary);
}

.use-case-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-md);
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--space-3xl) 0;
    background: var(--gradient-primary);
    text-align: center;
}

.cta-section h2 {
    color: white;
    margin-bottom: var(--space-md);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.cta-section .btn:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
}

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

.footer {
    background: var(--bg-card);
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--border-color);
}

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

.footer-brand p {
    max-width: 280px;
    margin-top: var(--space-md);
}

.footer-links h4 {
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* ============================================
   ADMIN PANEL STYLES
   ============================================ */

.admin-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-card h1 {
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
    text-align: right;
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-control::placeholder {
    color: var(--text-muted);
}

.admin-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-nav {
    display: flex;
    gap: var(--space-md);
}

.admin-content {
    padding: var(--space-2xl) 0;
    min-height: calc(100vh - 70px);
}

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

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.products-table {
    width: 100%;
    border-collapse: collapse;
}

.products-table th,
.products-table td {
    padding: var(--space-md);
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.products-table th {
    background: var(--bg-dark);
    color: var(--text-secondary);
    font-weight: 600;
}

.products-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.visibility-toggle {
    width: 50px;
    height: 26px;
    background: var(--danger);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.visibility-toggle.active {
    background: var(--success);
}

.visibility-toggle::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: var(--radius-full);
    top: 3px;
    right: 3px;
    transition: transform var(--transition-fast);
}

.visibility-toggle.active::after {
    transform: translateX(-24px);
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

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

.modal-header h2 {
    margin-bottom: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

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

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

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Alert */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

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

@media (max-width: 1024px) {
    .product-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: var(--space-lg);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .product-hero-text h1 {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITIES
   ============================================ */

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

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

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

.mt-1 {
    margin-top: var(--space-md);
}

.mt-2 {
    margin-top: var(--space-xl);
}

.mt-3 {
    margin-top: var(--space-2xl);
}

.mb-1 {
    margin-bottom: var(--space-md);
}

.mb-2 {
    margin-bottom: var(--space-xl);
}

.mb-3 {
    margin-bottom: var(--space-2xl);
}

.hidden {
    display: none !important;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.loading {
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    border: 2px solid transparent;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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