/* ============================================
   BLOG STYLES - Технологичный стиль
   ============================================ */

.blog-filters-section {
    padding: var(--spacing-lg) 0;
    background: var(--background-secondary);
}

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    padding: 10px 20px;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
}

.blog-articles {
    padding: var(--spacing-xl) 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.blog-article-card {
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.blog-article-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.4);
}

.blog-article-card.hidden {
    display: none;
}

.article-card-image {
    background: var(--gradient-primary);
    padding: var(--spacing-xl);
    text-align: center;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.article-card-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 102, 255, 0.2);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    width: fit-content;
}

.article-card-content h2 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
    color: var(--text-light);
}

.article-card-content h2 a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-card-content h2 a:hover {
    color: var(--primary-color);
}

.article-card-content p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    line-height: 1.6;
}

.article-meta {
    margin-top: auto;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .blog-filters {
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
        flex: 1 1 calc(50% - var(--spacing-xs));
        min-width: 0;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}