/**
 * Locataires Fraudeurs - Style Principal
 * Design moderne avec thème sombre dramatique
 */

/* ===== CSS Variables ===== */
:root {
    /* Couleurs principales - Thème sombre dramatique */
    --color-bg-dark: #0a0a0f;
    --color-bg-primary: #12121a;
    --color-bg-secondary: #1a1a2e;
    --color-bg-card: #1e1e30;
    --color-bg-elevated: #252540;
    
    /* Accents */
    --color-accent-primary: #ff4757;
    --color-accent-secondary: #ffa502;
    --color-accent-tertiary: #5352ed;
    --color-accent-success: #2ed573;
    --color-accent-info: #70a1ff;
    
    /* Texte */
    --color-text-primary: #f1f2f6;
    --color-text-secondary: #a4a4b8;
    --color-text-muted: #6b6b80;
    --color-text-inverse: #0a0a0f;
    
    /* Bordures et ombres */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-accent: rgba(255, 71, 87, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(255, 71, 87, 0.2);
    
    /* Typographie */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Espacements */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Rayons */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Layout */
    --max-width: 1280px;
    --content-width: 800px;
    --sidebar-width: 320px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-dark);
    background-image: 
        radial-gradient(ellipse at 20% 0%, rgba(255, 71, 87, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(83, 82, 237, 0.08) 0%, transparent 50%);
    min-height: 100vh;
}

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

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

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

ul, ol {
    list-style: none;
}

strong {
    font-weight: 600;
    color: var(--color-text-primary);
}

mark {
    background: linear-gradient(120deg, rgba(255, 165, 2, 0.3) 0%, rgba(255, 165, 2, 0.3) 100%);
    color: var(--color-accent-secondary);
    padding: 0.1em 0.3em;
    border-radius: var(--radius-sm);
}

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-md) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
}

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

.logo-icon {
    font-size: 1.6rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.main-nav ul {
    display: flex;
    gap: var(--space-xl);
}

.main-nav a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-sm) 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-primary);
    transition: width var(--transition-normal);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-normal);
}

/* ===== Alert Banner ===== */
.alert-banner {
    margin-top: 70px;
    background: linear-gradient(90deg, var(--color-accent-primary) 0%, #ff6b81 100%);
    padding: var(--space-sm) var(--space-xl);
    text-align: center;
}

.alert-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: white;
    font-weight: 500;
    font-size: 0.9rem;
}

.alert-icon {
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-bg-secondary);
    background-image: 
        linear-gradient(135deg, rgba(255, 71, 87, 0.1) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--color-bg-secondary) 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: var(--content-width);
    margin: 0 auto;
    text-align: center;
}

.breadcrumb {
    margin-bottom: var(--space-lg);
}

.breadcrumb ol {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
}

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

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

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

.breadcrumb li:last-child span {
    color: var(--color-accent-primary);
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.hero-meta .category {
    background: var(--color-accent-primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-meta time {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.hero-section h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-excerpt {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    line-height: 1.8;
}

.author-info {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.95rem;
}

.author-label {
    color: var(--color-text-muted);
}

.author-name {
    color: var(--color-accent-secondary);
    font-weight: 600;
}

/* ===== Article Container ===== */
.article-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
}

.article-wrapper {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: var(--space-3xl);
}

/* ===== Article Content ===== */
.article-content {
    min-width: 0;
}

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

.intro-block .lead {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
}

/* Article Sections */
.article-section {
    margin-bottom: var(--space-3xl);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.article-section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.article-section h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.section-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-tertiary) 100%);
    border-radius: 50%;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.article-section p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
}

/* Highlight Boxes */
.highlight-box {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    border-left: 4px solid;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.highlight-box.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.highlight-box.warning {
    background: rgba(255, 165, 2, 0.1);
    border-color: var(--color-accent-secondary);
}

.highlight-box.legal {
    background: rgba(112, 161, 255, 0.1);
    border-color: var(--color-accent-info);
}

.highlight-box.danger {
    background: rgba(255, 71, 87, 0.1);
    border-color: var(--color-accent-primary);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.highlight-content p {
    margin: 0;
    font-size: 0.95rem;
}

.highlight-content p + p {
    margin-top: var(--space-md);
}

/* Quote Block */
.quote-block {
    position: relative;
    padding: var(--space-xl) var(--space-2xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    margin: var(--space-xl) 0;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text-secondary);
}

.quote-block::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-family: var(--font-display);
    font-size: 5rem;
    color: var(--color-accent-primary);
    opacity: 0.3;
    line-height: 1;
}

/* Testimonial Box */
.testimonial-box {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}

.testimonial-box.animate-in {
    opacity: 1;
    transform: scale(1);
}

.testimonial-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-tertiary));
}

.testimonial-box.red::before {
    background: var(--color-accent-primary);
}

.testimonial-box.conclusion::before {
    background: linear-gradient(90deg, var(--color-accent-secondary), var(--color-accent-primary));
}

.testimonial-box.cta::before {
    background: linear-gradient(90deg, var(--color-accent-success), var(--color-accent-info));
}

.testimonial-quote {
    color: var(--color-accent-primary);
    opacity: 0.5;
    margin-bottom: var(--space-md);
}

.testimonial-box p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    font-style: italic;
}

.testimonial-box cite {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: normal;
}

/* Damage List */
.damage-list {
    display: grid;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

.damage-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: background var(--transition-fast);
}

.damage-list li:hover {
    background: var(--color-bg-elevated);
}

.damage-icon {
    font-size: 1.3rem;
}

/* Stats Comparison */
.stats-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin: var(--space-2xl) 0;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
}

.stat-item.loss {
    color: var(--color-accent-primary);
}

.stat-item.gain {
    color: var(--color-accent-success);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
}

.stat-desc {
    display: block;
    font-size: 0.85rem;
    margin-top: var(--space-xs);
    color: var(--color-text-secondary);
}

.stat-separator {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-muted);
}

/* Problem Grid */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.problem-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.problem-card:nth-child(1) { transition-delay: 0.1s; }
.problem-card:nth-child(2) { transition-delay: 0.2s; }
.problem-card:nth-child(3) { transition-delay: 0.3s; }

.problem-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.problem-card h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.problem-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Review Card */
.review-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    margin: var(--space-xl) 0;
}

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

.review-stars {
    color: var(--color-accent-secondary);
    font-size: 1.3rem;
    letter-spacing: 2px;
}

.review-badge {
    font-size: 0.75rem;
    background: var(--color-bg-elevated);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-xl);
    color: var(--color-text-muted);
}

.review-content p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.review-footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.review-author {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Warning Banner */
.warning-banner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.2) 0%, rgba(255, 165, 2, 0.2) 100%);
    border-radius: var(--radius-lg);
    margin: var(--space-xl) 0;
    border: 1px solid var(--color-accent-primary);
}

.warning-icon {
    font-size: 2rem;
    animation: pulse 1.5s ease-in-out infinite;
}

.warning-banner p {
    margin: 0;
    font-size: 1.05rem;
    color: var(--color-text-primary);
}

/* Question List */
.question-list {
    margin: var(--space-xl) 0;
}

.question-list li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
    font-size: 1.05rem;
}

.question-list li::before {
    content: '?';
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    background: var(--color-accent-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
}

/* Action Box */
.action-box {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    margin: var(--space-2xl) 0;
    border: 1px solid var(--color-accent-success);
}

.action-box h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: var(--space-lg);
    color: var(--color-accent-success);
}

.action-box ul {
    display: grid;
    gap: var(--space-md);
}

.action-box li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* ===== Sidebar ===== */
.article-sidebar {
    min-width: 0;
}

.sidebar-sticky {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

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

.sidebar-widget h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-accent-primary);
}

/* Summary Widget */
.summary-widget ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.summary-widget li {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.summary-widget li:last-child {
    border-bottom: none;
}

.summary-widget strong {
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Stats Widget */
.stat-block {
    text-align: center;
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.stat-block:last-child {
    border-bottom: none;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-accent-primary);
}

.stat-text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Share Widget */
.share-buttons {
    display: flex;
    gap: var(--space-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    color: var(--color-text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-3px);
}

.share-btn.facebook:hover {
    background: #1877f2;
    color: white;
}

.share-btn.twitter:hover {
    background: #1da1f2;
    color: white;
}

.share-btn.linkedin:hover {
    background: #0a66c2;
    color: white;
}

.share-btn.email:hover {
    background: var(--color-accent-secondary);
    color: white;
}

/* Newsletter Widget */
.newsletter-widget p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

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

.newsletter-form input {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    font-size: 0.95rem;
}

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

.newsletter-form button {
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, var(--color-accent-tertiary) 100%);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ===== Related Section ===== */
.related-section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl) var(--space-3xl);
}

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

.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--color-accent-primary);
}

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

.related-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.related-image {
    height: 150px;
}

.related-content {
    padding: var(--space-xl);
}

.related-category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-accent-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.related-content h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

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

.related-content h3 a:hover {
    color: var(--color-accent-primary);
}

.related-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) var(--space-xl) var(--space-xl);
}

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

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

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

.footer-column a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.footer-disclaimer {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    opacity: 0.7;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .article-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar-sticky {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 15px;
    }
    
    .header-container {
        padding: var(--space-md);
    }
    
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-primary);
        padding: var(--space-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-section {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .article-container {
        padding: var(--space-xl) var(--space-md);
    }
    
    .sidebar-sticky {
        grid-template-columns: 1fr;
    }
    
    .stats-comparison {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .stat-separator {
        transform: rotate(90deg);
    }
    
    .highlight-box {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-meta {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .breadcrumb ol {
        flex-wrap: wrap;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .share-buttons {
        justify-content: center;
    }
}

/* ===== Print Styles ===== */
@media print {
    .site-header,
    .alert-banner,
    .article-sidebar,
    .related-section,
    .site-footer,
    .share-buttons,
    .newsletter-widget {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .article-wrapper {
        display: block;
    }
    
    .article-section {
        opacity: 1;
        transform: none;
        page-break-inside: avoid;
    }
}