/* ===== Blog Styles ===== */

/* Blog Hero */
.blog-hero {
    padding: 160px 0 80px;
    background: var(--gradient-hero);
    text-align: center;
}

.blog-hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.blog-hero .section-title {
    color: var(--white);
}

.blog-hero .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* Blog Categories */
.blog-categories {
    padding: 40px 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.categories-list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.category-btn {
    padding: 10px 20px;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.category-btn:hover {
    background: var(--primary-100);
    color: var(--primary-700);
}

.category-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
}

/* Blog Section */
.blog-section {
    padding: 60px 0 100px;
    background: var(--gray-50);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

/* Article Card */
.article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-300);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--gradient-primary);
}

.article-image-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.article-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.article-category {
    padding: 4px 10px;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.article-date {
    font-size: 13px;
    color: var(--gray-500);
}

.article-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-title a {
    color: inherit;
}

.article-title a:hover {
    color: var(--primary-600);
}

.article-excerpt {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}

.article-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.article-read-time {
    font-size: 13px;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-600);
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-link:hover {
    color: var(--primary-700);
}

.article-link svg {
    transition: var(--transition-base);
}

.article-link:hover svg {
    transform: translateX(4px);
}

/* Featured Article */
.article-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.article-card.featured .article-image,
.article-card.featured .article-image-placeholder {
    height: 300px;
}

.article-card.featured .article-title {
    font-size: 28px;
    -webkit-line-clamp: 3;
}

.article-card.featured .article-excerpt {
    -webkit-line-clamp: 4;
}

/* Loading Spinner */
.loading-spinner {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 0;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-spinner p {
    margin-top: 16px;
    color: var(--gray-500);
}

/* Load More */
.blog-load-more {
    text-align: center;
    margin-top: 48px;
}

/* Newsletter */
.newsletter {
    padding: 80px 0;
    background: var(--white);
}

.newsletter-card {
    background: var(--gradient-hero);
    border-radius: var(--radius-xl);
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.newsletter-content h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.newsletter-form input {
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 15px;
    width: 280px;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-form input:focus {
    border-color: var(--primary-400);
    background: rgba(255, 255, 255, 0.15);
}

/* Single Article Page */
.article-page {
    padding: 120px 0 80px;
}

.article-page-header {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.article-page-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.article-page-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.article-page-excerpt {
    font-size: 20px;
    color: var(--gray-600);
    line-height: 1.7;
}

.article-page-image {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto 48px;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.article-page-image img {
    width: 100%;
    height: auto;
}

.article-page-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-page-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 48px 0 20px;
    color: var(--gray-900);
}

.article-page-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 36px 0 16px;
    color: var(--gray-900);
}

.article-page-content p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 20px;
}

.article-page-content ul,
.article-page-content ol {
    margin: 20px 0;
    padding-left: 24px;
}

.article-page-content li {
    font-size: 17px;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.article-page-content blockquote {
    background: var(--primary-50);
    border-left: 4px solid var(--primary-500);
    padding: 24px;
    margin: 32px 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-page-content blockquote p {
    font-style: italic;
    color: var(--gray-800);
    margin: 0;
}

.article-page-content code {
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 15px;
}

.article-page-content pre {
    background: var(--gray-900);
    color: var(--gray-100);
    padding: 24px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 24px 0;
}

.article-page-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.article-cta-inline {
    margin-top: 48px;
    padding: 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    text-align: center;
}

.article-cta-inline p {
    color: var(--white) !important;
    margin: 0 !important;
    font-size: 18px;
}

.article-cta-inline a {
    color: var(--white);
    font-weight: 700;
    text-decoration: underline;
}

/* No Articles */
.no-articles {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 0;
}

.no-articles-icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.no-articles h3 {
    font-size: 24px;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.no-articles p {
    color: var(--gray-600);
}

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

@media (max-width: 768px) {
    .blog-hero {
        padding: 140px 0 60px;
    }
    
    .blog-categories {
        top: 80px;
        padding: 20px 0;
    }
    
    .categories-list {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
    }
    
    .category-btn {
        flex-shrink: 0;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .article-card.featured {
        grid-column: span 1;
    }
    
    .newsletter-card {
        flex-direction: column;
        text-align: center;
        padding: 40px 24px;
    }
    
    .newsletter-form {
        flex-direction: column;
        width: 100%;
    }
    
    .newsletter-form input {
        width: 100%;
    }
}