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

/* Blog Hero */
.blog-hero {
    background: linear-gradient(135deg, 
        rgba(255, 107, 53, 0.1) 0%, 
        rgba(139, 92, 246, 0.1) 50%, 
        rgba(59, 130, 246, 0.1) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="blog-pattern" width="20" height="20" patternUnits="userSpaceOnUse"><rect x="0" y="0" width="2" height="2" fill="rgba(255,107,53,0.1)"/><rect x="10" y="10" width="2" height="2" fill="rgba(139,92,246,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23blog-pattern)"/></svg>');
    opacity: 0.3;
}

.blog-hero .hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.blog-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero .hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Blog Filters */
.blog-filters {
    background: var(--bg-secondary);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
}

.filters-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    gap: var(--spacing-sm);
    flex: 1;
    max-width: 400px;
}

.search-box input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid rgba(255, 107, 53, 0.2);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.search-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.category-filters {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid rgba(255, 107, 53, 0.2);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* Featured Articles */
.featured-articles {
    padding: var(--spacing-xl) 0;
}

.featured-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.main-featured {
    grid-row: span 2;
}

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

.featured-article {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.featured-article:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.featured-article .article-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.main-featured .article-image {
    height: 300px;
}

.image-placeholder {
    font-size: 4rem;
    color: var(--text-light);
    opacity: 0.8;
}

.main-featured .image-placeholder {
    font-size: 6rem;
}

.article-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 600;
}

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

.featured-article h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.25rem;
    line-height: 1.3;
}

.main-featured h3 {
    font-size: 1.5rem;
}

.featured-article h3 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.featured-article h3 a:hover {
    color: var(--primary-color);
}

.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.main-featured .article-excerpt {
    font-size: 1rem;
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

/* Articles Grid */
.articles-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

.article-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.article-card .article-image {
    position: relative;
    height: 180px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-card .image-placeholder {
    font-size: 3rem;
    color: var(--text-light);
    opacity: 0.8;
}

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

.article-card h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.1rem;
    line-height: 1.3;
}

.article-card h3 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.article-card h3 a:hover {
    color: var(--primary-color);
}

.article-card .article-excerpt {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

/* Article Tags */
.article-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tag {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
}

.article-card .article-meta {
    border-top: 1px solid rgba(255, 107, 53, 0.1);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.article-author {
    font-weight: 600;
    color: var(--text-primary);
}

/* Load More */
.load-more-container {
    text-align: center;
    margin-top: var(--spacing-xl);
}

#loadMoreBtn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

/* Newsletter Section */
.newsletter-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.newsletter-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

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

.newsletter-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
    line-height: 1.6;
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto var(--spacing-md) auto;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid rgba(255, 107, 53, 0.2);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: var(--bg-primary);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.newsletter-form .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    white-space: nowrap;
}

.newsletter-benefits {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .main-featured {
        grid-row: span 1;
    }
    
    .featured-secondary {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .filters-container {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .search-box {
        max-width: none;
    }
    
    .category-filters {
        justify-content: center;
    }
    
    .filter-btn {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .featured-secondary {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form .form-group {
        flex-direction: column;
    }
    
    .newsletter-benefits {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: var(--spacing-lg) 0;
    }
    
    .featured-article .article-content,
    .article-card .article-content {
        padding: var(--spacing-md);
    }
    
    .article-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .newsletter-card {
        padding: var(--spacing-lg);
    }
}

/* Animation for filtered articles */
.article-card.hidden {
    display: none;
}

.article-card.fade-in {
    animation: fadeInUp 0.5s ease-out;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Search highlight */
.search-highlight {
    background: rgba(255, 107, 53, 0.2);
    padding: 2px 4px;
    border-radius: 3px;
}

/* Empty state */
.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

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

.no-results p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.no-results .btn {
    margin-top: var(--spacing-md);
}