/* ============================================
   BLOG PAGE STYLES
   ============================================ */

.blog-hero {
    padding-top: 120px;
    min-height: 50vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-attachment: scroll;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(139, 0, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.blog-filters-section {
    padding: var(--spacing-lg) 0;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

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

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--secondary-color);
    background: var(--bg-overlay);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-glow);
}

.blog-section {
    padding: var(--spacing-xxl) 0;
}

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

.article-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: translateY(0);
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-glow);
}

.article-category {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

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

.article-title a {
    color: inherit;
}

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

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    line-height: 1.7;
}

.article-link {
    color: var(--secondary-color);
    font-weight: 600;
    transition: all 0.3s ease;
}

.article-link:hover {
    color: var(--primary-color);
    padding-left: var(--spacing-xs);
}

@media (max-width: 768px) {
    .blog-hero {
        padding-top: 100px;
        min-height: 40vh;
    }
    
    .blog-filters {
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
}