/* Articles Page Specific Styles */

/* Page Hero Section */
.page-hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
    display: flex;
    align-items: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.page-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    margin: 0 auto;
    max-width: 500px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-teal);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* Articles Section */
.articles-section {
    padding: var(--spacing-xxl) 0;
}

/* Filters */
.articles-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xxl);
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-accent-teal);
    color: var(--color-dark-bg);
    border-color: var(--color-accent-teal);
    transform: translateY(-2px);
}

.search-box {
    position: relative;
    padding: 0;
    overflow: hidden;
    min-width: 250px;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    padding-right: 40px;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-accent-teal);
    pointer-events: none;
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.article-card {
    padding: 0;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-teal);
    box-shadow: 0 16px 50px rgba(107, 189, 184, 0.2);
    background: var(--glass-bg-strong);
}

/* Article Thumbnail */
.article-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--glass-bg);
    display: block;
    overflow: hidden;
}

.article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
    display: block;
}

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

/* Article Content Area */
.article-content-area {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

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

.article-category {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent-teal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.reading-time {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(107, 189, 184, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.article-title {
    margin-bottom: var(--spacing-md);
    flex-grow: 0;
}

.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 600;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.article-title a:hover {
    color: var(--color-accent-teal);
}

.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.tag {
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(107, 189, 184, 0.15);
    color: var(--color-accent-teal);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(107, 189, 184, 0.3);
}

.read-article {
    color: var(--color-accent-teal);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
    margin-top: auto;
}

.read-article:hover {
    color: var(--color-bright-teal);
    transform: translateX(3px);
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-huge) 0;
}

.no-results-content {
    padding: var(--spacing-xxl);
    max-width: 400px;
    margin: 0 auto;
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.6;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.no-results p {
    color: var(--text-secondary);
}

/* Newsletter Signup */
.newsletter-signup {
    padding: var(--spacing-huge) 0;
    background: rgba(255, 255, 255, 0.02);
}

.newsletter-content {
    text-align: center;
    padding: var(--spacing-xxl);
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.newsletter-content > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    backdrop-filter: blur(10px);
}

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

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-accent-teal);
    box-shadow: 0 0 0 2px rgba(107, 189, 184, 0.2);
}

.subscribe-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-accent-teal);
    color: var(--color-dark-bg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.subscribe-btn:hover {
    background: var(--color-bright-teal);
    transform: translateY(-2px);
}

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

/* Coming Soon Section */
.coming-soon-section {
    padding: var(--spacing-huge) 0;
}

.coming-soon-content {
    text-align: center;
    padding: var(--spacing-xxl);
    max-width: 900px;
    margin: 0 auto;
}

.coming-soon-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    filter: drop-shadow(0 0 15px var(--color-accent-teal));
}

.coming-soon-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.coming-soon-content > p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xxl);
}

.preview-topics {
    margin-bottom: var(--spacing-xxl);
}

.preview-topics h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent-teal);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.topic-item {
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.topic-item:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent-teal);
    box-shadow: 0 12px 30px rgba(107, 189, 184, 0.15);
}

.topic-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.topic-item h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.topic-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.current-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent-teal);
}

.content-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.content-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.content-link:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent-teal);
    box-shadow: 0 12px 30px rgba(107, 189, 184, 0.15);
}

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

.link-content {
    flex-grow: 1;
    text-align: left;
}

.link-content h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.link-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.link-arrow {
    font-size: 1.2rem;
    color: var(--color-accent-teal);
    transition: transform 0.3s ease;
}

.content-link:hover .link-arrow {
    transform: translateX(3px);
}

/* Active navigation state */
.nav-links a.active {
    color: var(--color-accent-teal);
    background: rgba(107, 189, 184, 0.1);
}

/* Ensure dropdown works on articles pages */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(77, 106, 102, 0.95);
    backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px var(--glass-shadow);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1003;
}

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

.dropdown-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dropdown-menu li {
    margin: 0;
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: 2px 0;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    color: var(--color-accent-teal);
    background: rgba(107, 189, 184, 0.1);
}

.dropdown-menu a.active {
    color: var(--color-accent-teal);
    background: rgba(107, 189, 184, 0.15);
}

/* Logo link styling */
.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
}

/* Individual Article Page Styles */
.article-content {
    padding: var(--spacing-xxl) 0;
}

.article-content .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.back-link {
    color: var(--color-accent-teal);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--color-bright-teal);
    transform: translateX(-3px);
}

.article-hero {
    width: 100%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    backdrop-filter: blur(20px);
    margin-bottom: var(--spacing-xxl);
    text-align: center;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.article-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.article-body {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    backdrop-filter: blur(20px);
    line-height: 1.8;
    margin-bottom: var(--spacing-xxl);
}

.article-lead {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.article-body h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-lg) 0;
    line-height: 1.3;
}

.article-body h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

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

.article-body ul,
.article-body ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
    color: var(--text-secondary);
}

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

.article-body blockquote {
    background: rgba(107, 189, 184, 0.1);
    border-left: 4px solid var(--color-accent-teal);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-body blockquote p {
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.article-body cite {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: normal;
}

.article-table {
    margin: var(--spacing-xl) 0;
    overflow-x: auto;
}

.article-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.article-table th,
.article-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.article-table th {
    background: rgba(107, 189, 184, 0.1);
    font-weight: 600;
    color: var(--text-primary);
}

.article-table td {
    color: var(--text-secondary);
}

.article-image {
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.article-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.image-caption {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: var(--spacing-md);
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.article-tags {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
}

.article-references {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    backdrop-filter: blur(20px);
    margin-bottom: var(--spacing-xxl);
}

.article-references h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.article-references ul {
    list-style: none;
    padding: 0;
}

.article-references li {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.article-references a {
    color: var(--color-accent-teal);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-references a:hover {
    color: var(--color-bright-teal);
    text-decoration: underline;
}

.related-articles {
    padding: var(--spacing-xxl) 0;
    background: rgba(255, 255, 255, 0.02);
}

.related-articles h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-xxl);
    color: var(--text-primary);
}

.related-articles .articles-grid {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    max-width: 900px;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .page-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .articles-filters {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .search-box {
        min-width: auto;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-links {
        max-width: none;
    }
    
    /* Article page responsive */
    .article-title {
        font-size: 2rem;
    }
    
    .article-hero,
    .article-body,
    .article-references {
        padding: var(--spacing-lg);
    }
    
    .article-content .container {
        padding: 0 var(--spacing-md);
    }
    
    .related-articles .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 2rem;
    }
    
    .coming-soon-content h2 {
        font-size: 2rem;
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.85rem;
    }
    
    .topic-item,
    .coming-soon-content {
        padding: var(--spacing-lg);
    }
    
    .article-content-area {
        padding: var(--spacing-lg);
    }
    
    /* Article page mobile */
    .article-title {
        font-size: 1.8rem;
    }
    
    .article-hero,
    .article-body,
    .article-references {
        padding: var(--spacing-md);
    }
    
    .article-body h2 {
        font-size: 1.5rem;
    }
    
    .article-body h3 {
        font-size: 1.2rem;
    }
}