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

:root {
    --primary: #0F172A;
    --accent-blue: #0EA5E9;
    --accent-orange: #F59E0B;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --neutral-50: #F8FAFC;
    --neutral-100: #F1F5F9;
    --neutral-200: #E2E8F0;
    --neutral-300: #CBD5E1;
    --neutral-400: #94A3B8;
    --neutral-500: #64748B;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1E293B;
    --neutral-900: #0F172A;
    
    --font-primary: 'Inter', sans-serif;
    --font-editorial: 'Lora', serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--neutral-700);
    background-color: var(--neutral-50);
}

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

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-200);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.logo svg {
    margin-right: var(--spacing-sm);
}

.logo:hover {
    color: var(--accent-blue);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--neutral-600);
    position: relative;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--neutral-700);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.pexels.com/photos/1181467/pexels-photo-1181467.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    max-width: 800px;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-family: var(--font-editorial);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    line-height: 1.5;
}

.cta-button {
    display: inline-block;
    background: var(--accent-orange);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1.125rem;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: #E97507;
}

/* Page Header */
.page-header {
    padding: calc(72px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--neutral-100) 0%, var(--neutral-50) 100%);
    text-align: center;
}

.breadcrumb {
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--neutral-500);
}

.breadcrumb a {
    color: var(--accent-blue);
}

.breadcrumb span {
    margin: 0 var(--spacing-xs);
}

.page-title {
    font-family: var(--font-editorial);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--neutral-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Main Content */
.main {
    padding: var(--spacing-3xl) 0;
}

.article-main {
    padding-top: 72px;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-xl);
}

/* Articles Section */
.section-title {
    font-family: var(--font-editorial);
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.article-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

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

.article-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

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

.article-content {
    padding: var(--spacing-lg);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

.category {
    background: var(--accent-blue);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.date {
    color: var(--neutral-500);
}

.article-title {
    font-family: var(--font-editorial);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.article-excerpt {
    color: var(--neutral-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.read-more {
    font-weight: 600;
    color: var(--accent-blue);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.read-more:hover {
    color: var(--primary);
}

.read-more::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.read-more:hover::after {
    transform: translateX(4px);
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.widget {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.widget-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.category-list {
    list-style: none;
}

.category-list li {
    border-bottom: 1px solid var(--neutral-200);
    padding: var(--spacing-sm) 0;
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--neutral-600);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.category-list a:hover,
.category-list a.active {
    color: var(--accent-blue);
}

.category-list span {
    font-size: 0.875rem;
    color: var(--neutral-400);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background: var(--neutral-200);
    color: var(--neutral-600);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tag:hover,
.tag.active {
    background: var(--accent-blue);
    color: white;
}

/* Article Page */
.article {
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: var(--spacing-xl);
}

.article-title {
    font-family: var(--font-editorial);
    font-size: clamp(1.875rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    color: var(--primary);
    display: block;
}

.publish-date {
    font-size: 0.875rem;
    color: var(--neutral-500);
}

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

.reading-time {
    font-size: 0.875rem;
    color: var(--neutral-500);
}

.category-tag {
    background: var(--accent-orange);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.featured-image {
    margin-bottom: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.featured-image img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.article-content {
    font-family: var(--font-editorial);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--neutral-700);
}

.article-content .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.article-content h2 {
    font-family: var(--font-editorial);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--primary);
    margin: var(--spacing-2xl) 0 var(--spacing-lg);
    line-height: 1.3;
}

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

.article-content blockquote {
    background: var(--neutral-100);
    border-left: 4px solid var(--accent-blue);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    font-size: 1.1rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-content ul {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

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

/* Related Articles */
.related-articles {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-3xl);
    border-top: 1px solid var(--neutral-200);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.related-card {
    display: flex;
    gap: var(--spacing-md);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.related-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.related-image {
    width: 120px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-content {
    flex: 1;
}

.related-category {
    font-size: 0.75rem;
    color: var(--accent-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.related-title {
    font-family: var(--font-editorial);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin: var(--spacing-xs) 0;
    line-height: 1.3;
}

.related-excerpt {
    font-size: 0.875rem;
    color: var(--neutral-600);
    line-height: 1.4;
}

/* Category Filters */
.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    justify-content: center;
}

.filter-btn {
    background: var(--neutral-200);
    color: var(--neutral-600);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-blue);
    color: white;
    transform: translateY(-1px);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.pagination-btn {
    background: var(--accent-blue);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--neutral-800);
    transform: translateY(-1px);
}

.pagination-btn:disabled {
    background: var(--neutral-300);
    color: var(--neutral-500);
    cursor: not-allowed;
    transform: none;
}

.pagination-info {
    font-weight: 500;
    color: var(--neutral-600);
}

/* About Page */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.about-text h2 {
    font-family: var(--font-editorial);
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.about-text .lead {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--neutral-800);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.about-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.mission-section {
    margin-bottom: var(--spacing-3xl);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

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

.mission-card:hover {
    transform: translateY(-4px);
}

.mission-icon {
    margin-bottom: var(--spacing-md);
}

.mission-card h3 {
    font-family: var(--font-editorial);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.team-section {
    margin-bottom: var(--spacing-3xl);
}

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

.team-member {
    text-align: center;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-4px);
}

.member-image {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h3 {
    font-family: var(--font-editorial);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.member-role {
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.member-bio {
    color: var(--neutral-600);
    line-height: 1.6;
    font-size: 0.875rem;
}

.values-section {
    background: var(--neutral-100);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

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

.value-item h3 {
    font-family: var(--font-editorial);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.value-item p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Contact Page */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h2 {
    font-family: var(--font-editorial);
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.contact-info .lead {
    font-size: 1.125rem;
    color: var(--neutral-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--neutral-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-method h3 {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.contact-method p {
    color: var(--neutral-600);
    font-size: 0.875rem;
}

/* Contact Form */
.contact-form-wrapper {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-group label {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--neutral-50);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: white;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    font-weight: 500;
    display: none;
}

.error-message.show {
    display: block;
}

.submit-btn {
    background: var(--accent-blue);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.submit-btn:hover:not(:disabled) {
    background: var(--neutral-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn:disabled {
    background: var(--neutral-400);
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: none;
}

.submit-btn.loading .btn-text {
    display: none;
}

.submit-btn.loading .btn-loading {
    display: inline;
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--spacing-2xl);
}

.form-success.show {
    display: block;
}

.form-success.show ~ .contact-form {
    display: none;
}

.success-icon {
    margin: 0 auto var(--spacing-lg);
}

.form-success h3 {
    font-family: var(--font-editorial);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.form-success p {
    color: var(--neutral-600);
    margin-bottom: var(--spacing-lg);
}

.reset-form-btn {
    background: var(--accent-orange);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.reset-form-btn:hover {
    background: #E97507;
    transform: translateY(-1px);
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--neutral-400);
    max-width: 300px;
    line-height: 1.6;
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    color: var(--neutral-400);
    transition: color var(--transition-fast);
}

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

.footer-social h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--neutral-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-400);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent-blue);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--neutral-800);
    color: var(--neutral-400);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

.article-card:nth-child(1) { animation-delay: 0.1s; }
.article-card:nth-child(2) { animation-delay: 0.2s; }
.article-card:nth-child(3) { animation-delay: 0.3s; }
.article-card:nth-child(4) { animation-delay: 0.4s; }
.article-card:nth-child(5) { animation-delay: 0.5s; }
.article-card:nth-child(6) { animation-delay: 0.6s; }
.article-card:nth-child(7) { animation-delay: 0.7s; }
.article-card:nth-child(8) { animation-delay: 0.8s; }
.article-card:nth-child(9) { animation-delay: 0.9s; }

/* Responsive Design */
@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .sidebar {
        order: -1;
    }
    
    .articles-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .about-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header-content {
        height: 64px;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        min-height: 500px;
        text-align: center;
    }
    
    .hero-content {
        padding: 0 var(--spacing-sm);
    }
    
    .page-header {
        padding: calc(64px + var(--spacing-xl)) 0 var(--spacing-xl);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .mission-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .values-content {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .related-card {
        flex-direction: column;
    }
    
    .related-image {
        width: 100%;
        height: 200px;
    }
    
    .category-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .page-title {
        font-size: 1.875rem;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-lg);
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .article-content .lead {
        font-size: 1.125rem;
    }
    
    .mission-card,
    .team-member {
        padding: var(--spacing-lg);
    }
}

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

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

.hidden {
    display: none;
}

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

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --neutral-400: #6B7280;
        --neutral-500: #4B5563;
        --neutral-600: #374151;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .fade-in,
    .fade-in-up,
    .slide-in-left,
    .article-card {
        animation: none;
        opacity: 1;
        transform: none;
    }
}