/* ============================================
   Articles & Blog Styles — Paragentics.ai
   ============================================ */

/* Articles Hero */
.articles-hero {
    padding: 180px 0 80px;
    text-align: center;
}

.articles-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.articles-hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.articles-hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Articles Section */
.articles-section {
    padding: var(--space-xl) 0 var(--space-2xl);
}

/* Featured Article */
.featured-article {
    margin-bottom: var(--space-xl);
}

.featured-article-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
}

.featured-article-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 245, 212, 0.1);
}

.featured-article-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.featured-article-content {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
    margin-bottom: var(--space-sm);
}

.featured-badge svg {
    width: 14px;
    height: 14px;
}

.featured-article-title {
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.featured-article-excerpt {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.featured-article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.article-date,
.article-read-time {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.article-date svg,
.article-read-time svg {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* Article Card */
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(0, 245, 212, 0.08);
}

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

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

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

.article-card-content {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--space-sm);
}

.article-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.6rem;
    background: rgba(0, 245, 212, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
}

.article-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-subtle);
    margin-top: auto;
}

/* Loading State */
.articles-loading {
    text-align: center;
    padding: var(--space-2xl) 0;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    margin: 0 auto var(--space-md);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.articles-empty {
    text-align: center;
    padding: var(--space-2xl) 0;
}

.empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--text-muted);
}

.articles-empty h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.articles-empty p {
    color: var(--text-secondary);
}

/* Pagination */
.articles-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--space-xl);
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-display);
    font-size: 0.9rem;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--border-accent);
    color: var(--accent-primary);
    background: rgba(0, 245, 212, 0.05);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.pagination-btn svg {
    width: 18px;
    height: 18px;
}

/* Newsletter Section */
.newsletter-section {
    padding: var(--space-xl) 0;
}

.newsletter-card {
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.08) 0%, rgba(168, 85, 247, 0.08) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.newsletter-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.newsletter-content p {
    color: var(--text-secondary);
}

.newsletter-form {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.newsletter-form input {
    width: 280px;
    padding: 0.875rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.1);
}

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

/* Responsive */
@media (max-width: 1024px) {
    .featured-article-card {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .articles-hero {
        padding: 140px 0 60px;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-card {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
        width: 100%;
    }
    
    .newsletter-form input {
        width: 100%;
    }
}