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

/* Main content layout fix */
.main-content {
    display: block;
    min-height: calc(100vh - 80px);
    padding: 0;
}

/* Blog Header */
.blog-header {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: var(--space-2xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
}

.blog-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.blog-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

/* Blog Categories */
.blog-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: var(--space-xl);
}

.blog-categories .category-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.blog-categories .category-btn:hover,
.blog-categories .category-btn.active {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Featured Article */
.featured-article {
    padding: var(--space-2xl) 0;
    background-color: var(--bg-primary);
}

.featured-card {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.featured-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), #8b5cf6, #06b6d4);
}

.featured-image {
    position: relative;
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    overflow: hidden;
}

.featured-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: rgba(255, 255, 255, 0.9);
    color: var(--accent-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.featured-icon {
    font-size: 4rem;
    color: white;
    opacity: 0.9;
}

.featured-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.featured-category {
    background: var(--accent-primary);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.featured-date,
.featured-read-time {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.featured-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.featured-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.featured-title a:hover {
    color: var(--accent-primary);
}

.featured-excerpt {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.featured-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Blog Posts Grid */
.blog-posts {
    padding: var(--space-2xl) 0;
    background-color: var(--bg-secondary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.blog-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.blog-card:hover::before {
    opacity: 1;
}

.blog-card-image {
    height: 120px;
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.blog-icon {
    font-size: 2.5rem;
    color: white;
    opacity: 0.9;
}

.blog-card-content {
    padding: var(--space-lg);
}

.blog-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.blog-category {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.blog-date,
.blog-read-time {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.blog-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.blog-card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-card-title a:hover {
    color: var(--accent-primary);
}

.blog-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.blog-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.tag:hover {
    background: var(--accent-primary);
    color: white;
}

/* Load More Section */
.load-more-section {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* Newsletter Signup */
.newsletter-signup {
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    padding: var(--space-2xl) 0;
    margin-top: var(--space-2xl);
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.newsletter-text h3 {
    color: white;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.newsletter-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    line-height: 1.6;
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.newsletter-input {
    flex: 1;
    padding: var(--space-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.newsletter-btn {
    background: white;
    color: var(--accent-primary);
    border: 2px solid white;
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    white-space: nowrap;
}

.newsletter-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

/* Blog Filtering */
.blog-card.hidden {
    display: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .featured-card {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .featured-image {
        min-height: 150px;
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .blog-header {
        padding: var(--space-xl) 0;
    }
    
    .blog-title {
        font-size: 2.5rem;
    }
    
    .blog-subtitle {
        font-size: 1rem;
    }
    
    .blog-categories {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--space-sm);
    }
    
    .blog-categories .category-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .featured-article {
        padding: var(--space-xl) 0;
    }
    
    .featured-card {
        padding: var(--space-lg);
    }
    
    .featured-title {
        font-size: 1.5rem;
    }
    
    .featured-excerpt {
        font-size: 1rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .blog-card-content {
        padding: var(--space-md);
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .newsletter-input,
    .newsletter-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .blog-header {
        padding: var(--space-lg) 0;
    }
    
    .blog-title {
        font-size: 2rem;
    }
    
    .featured-card {
        padding: var(--space-md);
    }
    
    .featured-meta {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .blog-meta {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .newsletter-text h3 {
        font-size: 1.5rem;
    }
    
    .newsletter-text p {
        font-size: 1rem;
    }
}

/* Animation for blog cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.blog-card {
    animation: fadeInUp 0.6s ease-out;
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }
.blog-card:nth-child(5) { animation-delay: 0.5s; }
.blog-card:nth-child(6) { animation-delay: 0.6s; }
.blog-card:nth-child(7) { animation-delay: 0.7s; }
.blog-card:nth-child(8) { animation-delay: 0.8s; }

/* ===== BLOG ARTICLE STYLES ===== */
.blog-article {
    padding: var(--space-2xl) 0;
    background-color: var(--bg-primary);
    min-height: calc(100vh - 80px);
}

.article-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.article-category {
    background: var(--accent-primary);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.article-date,
.article-read-time {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.article-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
    line-height: 1.2;
}

.article-excerpt {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: var(--space-2xl) 0 var(--space-lg) 0;
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: var(--space-sm);
}

.article-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: var(--space-xl) 0 var(--space-md) 0;
    color: var(--text-primary);
}

.article-content p {
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
    font-size: 1rem;
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.article-content li {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.article-content code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-primary);
}

.article-content pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.5;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

.article-cta {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin: var(--space-2xl) 0;
    text-align: center;
}

.article-cta h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

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

/* Dark mode adjustments */
[data-theme="dark"] .featured-card {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}

[data-theme="dark"] .blog-card {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .newsletter-signup {
    background: linear-gradient(135deg, #1e3a8a, #7c3aed);
}

[data-theme="dark"] .tag:hover {
    background: var(--accent-hover);
}

[data-theme="dark"] .article-content pre {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

[data-theme="dark"] .article-cta {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}