/**
 * ClipZ - Modern CSS Stylesheet
 * Optimized for performance, SEO, and beautiful design
 */

/* ===========================
   CSS Variables & Root Styles
   =========================== */
:root {
    /* Primary Colors - Gradient Theme */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --secondary-color: #764ba2;
    
    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max-width: 1200px;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.6;
    color: #4a5568;
    margin-bottom: 30px;
}

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

.main-content {
    min-height: 100vh;
    padding-top: 80px;
}

/* ===========================
   Header & Navigation
   =========================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    transition: color var(--transition-base);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    margin-top: var(--spacing-md);
    z-index: 100;
}

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

.dropdown-menu li {
    margin-bottom: var(--spacing-sm);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.dropdown-menu a:hover {
    background: var(--gray-50);
    transform: translateX(5px);
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.lang-button {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--gray-100);
    font-weight: 500;
    transition: all var(--transition-base);
}

.lang-button:hover {
    background: var(--gray-200);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    margin-top: var(--spacing-sm);
}

.language-switcher:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.lang-dropdown a:hover,
.lang-dropdown a.active {
    background: var(--gray-50);
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    transition: all var(--transition-base);
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

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

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

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

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

.btn img {
    display: inline-block;
    margin-right: var(--spacing-sm);
}

/* ===========================
   Hero Section
   =========================== */
.hero-section,
.page-hero,
.feature-hero {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content,
.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-3xl);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

.stat {
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat span {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.hero-image {
    margin-top: var(--spacing-3xl);
}

.hero-image img {
    max-width: 100%;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* Breadcrumb */
.breadcrumb {
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.breadcrumb a {
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--primary-dark);
}

/* ===========================
   Section Styles
   =========================== */
.features-section,
.why-choose-section,
.how-it-works-section,
.faq-section,
.content-section,
.feature-content {
    padding: var(--spacing-3xl) 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
}

/* ===========================
   Feature Cards & Grids
   =========================== */
.features-grid,
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card,
.benefit-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.feature-title,
.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.feature-description,
.benefit-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.feature-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: gap var(--transition-base);
}

.feature-link:hover {
    gap: var(--spacing-md);
}

/* Feature Block with Media */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.feature-block.reverse {
    direction: rtl;
}

.feature-block.reverse > * {
    direction: ltr;
}

.feature-media {
    position: relative;
}

.feature-image,
.feature-video {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-base);
}

.feature-image:hover,
.feature-video:hover {
    transform: scale(1.02);
}

.video-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.feature-icon-large {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.feature-heading {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.feature-text {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.8;
}

/* ===========================
   Content Blocks
   =========================== */
.content-block {
    margin-bottom: var(--spacing-3xl);
}

.content-block h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.content-block h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
}

.content-block p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.content-block ul,
.content-block ol {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.content-block li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    color: var(--gray-700);
}

.content-block ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.content-block ol {
    counter-reset: item;
}

.content-block ol li {
    counter-increment: item;
}

.content-block ol li::before {
    content: counter(item) '.';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.content-block strong {
    color: var(--gray-900);
    font-weight: 600;
}

/* ===========================
   Steps Grid
   =========================== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.step-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.step-number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto var(--spacing-lg);
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.step-card p {
    color: var(--gray-600);
}

/* ===========================
   FAQ Section
   =========================== */
.faq-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.faq-item {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
}

.faq-item h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.faq-item p {
    color: var(--gray-600);
    line-height: 1.8;
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: var(--primary-gradient);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

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

.cta-section .btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.cta-note {
    margin-top: var(--spacing-lg);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   Feature Navigation
   =========================== */
.feature-navigation {
    padding: var(--spacing-2xl) 0;
    border-top: 2px solid var(--gray-200);
}

.nav-links {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.nav-prev,
.nav-next {
    flex: 1;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    transition: all var(--transition-base);
    font-weight: 600;
    color: var(--primary-color);
}

.nav-prev:hover,
.nav-next:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateX(-4px);
}

.nav-next:hover {
    transform: translateX(4px);
}

/* ===========================
   Footer
   =========================== */
.main-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

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

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

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-xl);
    text-align: center;
}

.copyright,
.developer-credit {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.developer-credit {
    margin-top: var(--spacing-sm);
}

/* ===========================
   Policy & Delete Account Pages
   =========================== */
.policy-content,
.delete-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
}

.policy-section,
.delete-section {
    margin-bottom: var(--spacing-3xl);
}

.policy-heading,
.delete-heading {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.policy-subheading {
    font-size: 1.5rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--gray-800);
}

.policy-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.policy-list,
.styled-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.policy-list li,
.styled-list li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    color: var(--gray-700);
}

.policy-list li::before,
.styled-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
}

.last-updated {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-sm);
}

.highlight-section {
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--primary-color);
}

.info-card,
.important-card,
.warning-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.important-card {
    border-left: 4px solid var(--warning);
}

.warning-card {
    border-left: 4px solid var(--error);
}

.info-icon {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.info-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.info-text {
    color: var(--gray-600);
    line-height: 1.8;
}

.steps-container {
    margin-top: var(--spacing-2xl);
}

.step-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.step-item .step-number {
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* ===========================
   Utilities
   =========================== */
.brand-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .feature-block {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .feature-block.reverse {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: var(--spacing-sm);
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .language-switcher,
    .download-btn {
        width: 100%;
    }
    
    /* Sections */
    .features-grid,
    .benefits-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .nav-links {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }

        .faq-section {
        padding: 40px 20px;
    }
    
    .faq-item {
        padding: 20px;
    }
    
    .faq-item h3 {
        font-size: 18px;
    }
    
    .comparison-table-wrapper {
        margin: 30px -20px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .table-of-contents {
        padding: 20px;
        margin: 30px -10px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 12px;
    }
    
    .app-rating {
        font-size: 14px;
        padding: 12px 18px;
    }
    
    .feature-hero h1 {
        font-size: 32px;
    }
    
    .lead {
        font-size: 18px;
    }
    
    .content-block h2 {
        font-size: 26px;
    }

}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-section,
    .page-hero,
    .feature-hero,
    .features-section,
    .content-section {
        padding: var(--spacing-2xl) 0;
    }

    
    .faq-section h2 {
        font-size: 28px;
    }
    
    .feature-hero h1 {
        font-size: 28px;
    }
    
    .comparison-table {
        font-size: 13px;
    }
    
    .table-of-contents h2 {
        font-size: 20px;
    }
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===========================
   Print Styles
   =========================== */
@media print {
    .main-header,
    .main-footer,
    .cta-section,
    .feature-navigation,
    .table-of-contents,
    .cta-section,
    .feature-navigation,
    .mobile-menu-toggle {
        display: none;
    }
    
    .faq-item {
        page-break-inside: avoid;
    }
    
    .main-content {
        padding-top: 0;
    }
}

/* ===========================
   RTL Support
   =========================== */
[dir="rtl"] {
    direction: rtl;
}

[dir="rtl"] .nav-link::after {
    left: auto;
    right: 0;
}

[dir="rtl"] .dropdown-menu {
    left: auto;
    right: 0;
}

[dir="rtl"] .content-block li {
    padding-left: 0;
    padding-right: var(--spacing-xl);
}

[dir="rtl"] .content-block li::before {
    left: auto;
    right: 0;
}

[dir="rtl"] .feature-link:hover {
    gap: var(--spacing-md);
}

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

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

/* ===========================
   Performance Optimizations
   =========================== */
* {
    -webkit-tap-highlight-color: transparent;
}

img,
video {
    will-change: transform;
}

.feature-card,
.benefit-card,
.step-card {
    will-change: transform;
}



/* ///////////////////// */

.faq-section {
    background: #f9fafb;
    padding: 60px 30px;
    border-radius: 12px;
    margin: 60px 0;
}

.faq-section h2 {
    color: #1a202c;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 8px;
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.faq-item:hover {
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
    transform: translateY(-2px);
    border-left-color: #4A90E2;
}

.faq-item h3 {
    color: #2d3748;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 14px;
    line-height: 1.5;
}

.faq-item p {
    color: #4a5568;
    font-size: 16px;
    line-height: 1.8;
    margin: 0;
}

/* =====================================
   Comparison Table Styles
   ===================================== */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: 40px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 10px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    min-width: 600px;
}

.comparison-table thead {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: white;
}

.comparison-table th {
    padding: 18px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 17px;
    border-right: 1px solid rgba(255,255,255,0.1);
}

.comparison-table th:last-child {
    border-right: none;
}

.comparison-table td {
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 15px;
    color: #2d3748;
}

.comparison-table tbody tr {
    transition: background-color 0.2s ease;
}

.comparison-table tbody tr:hover {
    background: #f7fafc;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table .highlight {
    background: #e6f4ea;
    font-weight: 600;
    color: #1e7e34;
}

.comparison-summary {
    margin-top: 24px;
    padding: 20px 24px;
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    border-radius: 6px;
}

.comparison-summary p {
    margin: 0;
    color: #856404;
    font-size: 16px;
    line-height: 1.6;
}

.comparison-summary strong {
    color: #664d03;
}

/* =====================================
   Table of Contents
   ===================================== */
.table-of-contents {
    background: #f8f9fa;
    border-left: 4px solid #4A90E2;
    padding: 30px;
    margin: 40px 0;
    border-radius: 8px;
}

.table-of-contents h2 {
    margin-top: 0;
    font-size: 24px;
    color: #2d3748;
    margin-bottom: 20px;
}

.table-of-contents nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-of-contents nav li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.table-of-contents nav li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #4A90E2;
    font-weight: bold;
}

.table-of-contents a {
    color: #4A90E2;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.2s;
    display: inline-block;
}

.table-of-contents a:hover {
    color: #357ABD;
    transform: translateX(5px);
}

/* =====================================
   App Rating Display
   ===================================== */
.app-rating {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 14px 24px;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin: 24px 0;
    font-size: 16px;
    font-weight: 500;
}

.app-rating .stars {
    color: #fbbf24;
    font-size: 20px;
    letter-spacing: 2px;
}

.app-rating span {
    color: #2d3748;
}

/* =====================================
   Article Meta
   ===================================== */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin: 24px 0;
    padding: 18px 24px;
    background: #f7fafc;
    border-radius: 8px;
    font-size: 14px;
    color: #64748b;
    border: 1px solid #e2e8f0;
}

.article-meta time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.reading-time {
    color: #64748b;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* =====================================
   Feature Content Improvements
   ===================================== */
.content-block {
    margin-bottom: 50px;
}

.content-block h2 {
    color: #1a202c;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    margin-top: 40px;
    line-height: 1.3;
}

.content-block p {
    font-size: 17px;
    line-height: 1.8;
    color: #2d3748;
    margin-bottom: 18px;
}

.content-block a {
    color: #4A90E2;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
}

.content-block a:hover {
    color: #357ABD;
    border-bottom-color: #357ABD;
}

.feature-list {
    padding-left: 24px;
    margin: 20px 0;
}

.feature-list li {
    margin-bottom: 12px;
    font-size: 16px;
    line-height: 1.7;
    color: #2d3748;
}

.feature-list strong {
    color: #1a202c;
}

/* =====================================
   Breadcrumb Enhancement
   ===================================== */
.breadcrumb {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 20px;
}

.breadcrumb a {
    color: #4A90E2;
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: #357ABD;
}

/* =====================================
   Hero Section Improvements
   ===================================== */
.feature-hero h1 {
    font-size: 42px;
    font-weight: 800;
    color: #1a202c;
    line-height: 1.2;
    margin-bottom: 20px;
}