/* ============================================
   AyurTour News Page - Main Styles
   Modern, Responsive Design with Light/Dark Theme
   ============================================ */

/* CSS Variables for Theme Management */
:root {
    /* Brand Colors */
    --primary-orange: #FF8C00;
    --primary-orange-light: #FFA500;
    --primary-green: #4CAF50;
    --primary-green-dark: #388E3C;
    
    /* Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border-color: #dee2e6;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container Width */
    --container-max: 1200px;
    --container-wide: 1400px;
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --text-muted: #6c757d;
    --border-color: #495057;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
}

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

* {
    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(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

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

a:hover {
    color: var(--primary-orange-light);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all var(--transition-fast);
}

ul, ol {
    list-style-position: inside;
}

/* ============================================
   Container & Layout
   ============================================ */

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

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

.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow);
}

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

.logo img {
    height: 50px;
    width: auto;
}

/* Navigation */
.nav-desktop {
    flex: 1;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    justify-content: center;
}

.nav-menu li a {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background-color: var(--primary-orange);
    color: #ffffff;
}

/* Header Right Section */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contacts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contacts .phone {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
}

.contacts .phone:hover {
    color: var(--primary-orange);
}

.contacts .phone i {
    color: var(--primary-orange);
    margin-right: 5px;
}

/* Theme Toggle Button */
.theme-toggle {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 1.2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
}

.theme-toggle:hover {
    background-color: var(--bg-tertiary);
    transform: scale(1.05);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 1.2rem;
    color: var(--text-primary);
    width: 45px;
    height: 45px;
}

.mobile-menu-toggle:hover {
    background-color: var(--bg-tertiary);
}

/* Mobile Navigation */
.nav-mobile {
    display: none;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
}

.nav-mobile.active {
    display: block;
}

.nav-menu-mobile {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-menu-mobile li a {
    display: block;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.nav-menu-mobile li a:hover,
.nav-menu-mobile li a.active {
    background-color: var(--primary-orange);
    color: #ffffff;
}

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

.breadcrumbs {
    background-color: var(--bg-secondary);
    padding: var(--spacing-sm) 0;
    font-size: 0.9rem;
}

.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    list-style: none;
    align-items: center;
}

.breadcrumbs li {
    color: var(--text-secondary);
}

.breadcrumbs li:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-xs);
    color: var(--text-muted);
}

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

.breadcrumbs a:hover {
    color: var(--primary-orange);
}

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

.main-content {
    padding: var(--spacing-xl) 0;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-xl);
}

/* ============================================
   Article
   ============================================ */

.article {
    background-color: var(--bg-primary);
}

/* Article Header */
.article-header {
    margin-bottom: var(--spacing-lg);
}

.article-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-meta span,
.article-meta time {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-meta i {
    color: var(--primary-orange);
}

.article-meta a {
    color: var(--text-secondary);
}

.article-meta a:hover {
    color: var(--primary-orange);
}

/* Featured Image */
.article-image {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 12px var(--shadow);
}

.article-image img {
    width: 100%;
    height: auto;
}

/* Article Tools */
.article-tools {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.tool-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-orange);
    color: #ffffff;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.tool-btn:hover {
    background-color: var(--primary-orange-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-hover);
}

.tool-btn i {
    font-size: 1.1rem;
}

/* Audio Controls */
.audio-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.control-btn {
    background-color: var(--primary-orange);
    color: #ffffff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

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

.speed-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.speed-control select {
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: auto;
}

.share-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #ffffff;
    transition: all var(--transition-fast);
}

.share-btn.vk {
    background-color: #4680C2;
}

.share-btn.telegram {
    background-color: #0088cc;
}

.share-btn.whatsapp {
    background-color: #25D366;
}

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

.share-btn:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 8px var(--shadow-hover);
}

/* Article Content */
.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
}

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

.article-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    border-bottom: 3px solid var(--primary-orange);
    padding-bottom: var(--spacing-xs);
}

.article-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.article-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.article-content li {
    margin-bottom: var(--spacing-xs);
}

.article-content strong {
    font-weight: 700;
    color: var(--primary-orange);
}

/* Lead Text */
.lead-text {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-left: 4px solid var(--primary-orange);
    border-radius: var(--radius-md);
}

/* Content Boxes */
.info-box,
.warning-box,
.reasons-box {
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-md);
    border-left: 4px solid;
}

.info-box {
    background-color: rgba(76, 175, 80, 0.1);
    border-left-color: var(--primary-green);
}

.warning-box {
    background-color: rgba(255, 140, 0, 0.1);
    border-left-color: var(--primary-orange);
}

.reasons-box {
    background-color: var(--bg-secondary);
    border-left-color: var(--primary-orange);
}

.info-box h3,
.info-box h4,
.warning-box h3,
.warning-box h4,
.reasons-box h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.info-box i,
.warning-box i,
.reasons-box i {
    color: var(--primary-orange);
    font-size: 1.3rem;
}

.info-note {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    font-style: italic;
    color: var(--text-secondary);
}

.reasons-list {
    list-style: none;
    counter-reset: reasons-counter;
}

.reasons-list li {
    counter-increment: reasons-counter;
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.reasons-list li::before {
    content: counter(reasons-counter);
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--primary-orange);
    color: #ffffff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Article Footer */
.article-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tags-label {
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 5px;
}

.tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tag:hover {
    background-color: var(--primary-orange);
    color: #ffffff;
    border-color: var(--primary-orange);
}

.article-author {
    margin-bottom: var(--spacing-md);
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary-orange);
}

.author-details {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.author-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.author-role {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* CTA Block */
.cta-block {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    border-radius: var(--radius-lg);
    color: #ffffff;
    text-align: center;
}

.cta-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

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

.cta-btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.cta-btn.primary {
    background-color: #ffffff;
    color: var(--primary-orange);
}

.cta-btn.primary:hover {
    background-color: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.cta-btn.secondary {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.cta-btn.secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ============================================
   Sidebar
   ============================================ */

.sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
}

.sidebar-widget {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--shadow);
}

.widget-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-orange);
    padding-bottom: var(--spacing-xs);
}

.widget-title i {
    color: var(--primary-orange);
}

/* Table of Contents */
.toc ul {
    list-style: none;
    padding: 0;
}

.toc li {
    margin-bottom: var(--spacing-xs);
}

.toc a {
    display: block;
    padding: var(--spacing-xs);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.toc a:hover {
    background-color: var(--bg-tertiary);
    color: var(--primary-orange);
    padding-left: var(--spacing-md);
}

/* Popular Articles */
.popular-articles {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.popular-article {
    display: flex;
    gap: var(--spacing-sm);
}

.popular-article img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.popular-article-content h4 {
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.popular-article-content h4 a {
    color: var(--text-primary);
}

.popular-article-content h4 a:hover {
    color: var(--primary-orange);
}

.article-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Tour Cards */
.tour-card {
    margin-bottom: var(--spacing-md);
}

.tour-card:last-child {
    margin-bottom: 0;
}

.tour-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.tour-info h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.tour-price {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.tour-price strong {
    color: var(--primary-orange);
}

.tour-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--primary-orange);
    font-weight: 600;
    font-size: 0.9rem;
}

.tour-link:hover {
    gap: 8px;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

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

.submit-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-orange);
    color: #ffffff;
    border-radius: var(--radius-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.submit-btn:hover {
    background-color: var(--primary-orange-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-hover);
}

/* ============================================
   Related Articles
   ============================================ */

.related-articles {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--border-color);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.article-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
    transition: all var(--transition-normal);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-hover);
}

.card-image {
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .card-image img {
    transform: scale(1.1);
}

.card-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background-color: var(--primary-orange);
    color: #ffffff;
    padding: 5px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.card-content {
    padding: var(--spacing-md);
}

.card-content h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.card-content h3 a {
    color: var(--text-primary);
}

.card-content h3 a:hover {
    color: var(--primary-orange);
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.card-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

.footer-column h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-column p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.contact-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.contact-list i {
    color: var(--primary-orange);
    width: 20px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-orange);
    color: #ffffff;
    transform: scale(1.1);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

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

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
        max-width: 600px;
        margin: var(--spacing-xl) auto 0;
    }
    
    .articles-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
    }
    
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .contacts {
        display: none;
    }
    
    .header-right {
        gap: var(--spacing-sm);
    }
    
    .article-title {
        font-size: 1.8rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .article-content h2 {
        font-size: 1.5rem;
    }
    
    .article-content h3 {
        font-size: 1.3rem;
    }
    
    .article-tools {
        flex-direction: column;
        align-items: stretch;
    }
    
    .share-buttons {
        margin-left: 0;
        justify-content: center;
    }
    
    .audio-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-btn {
        width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        align-items: center;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .article-title {
        font-size: 1.5rem;
    }
    
    .logo img {
        height: 40px;
    }
    
    .theme-toggle,
    .mobile-menu-toggle {
        width: 40px;
        height: 40px;
    }
    
    .breadcrumbs {
        font-size: 0.8rem;
    }
    
    .article-meta {
        font-size: 0.85rem;
        gap: var(--spacing-sm);
    }
    
    .share-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .tool-btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-content h3 {
        font-size: 1.4rem;
        flex-direction: column;
    }
    
    .sidebar-widget {
        padding: var(--spacing-sm);
    }
}

/* Print Styles */
@media print {
    .header,
    .breadcrumbs,
    .article-tools,
    .sidebar,
    .related-articles,
    .footer {
        display: none;
    }
    
    .content-layout {
        grid-template-columns: 1fr;
    }
    
    .article {
        max-width: 100%;
    }
    
    body {
        background-color: #ffffff;
        color: #000000;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
    }
    
    [data-theme="dark"] {
        --border-color: #ffffff;
    }
}