/**
 * Blog detail — clean reading layout
 */

.blog-detail-section {
    background: var(--bg-light);
    padding: var(--space-2xl) 0 80px;
}

.blog-detail-section .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.blog-article {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.article-image {
    aspect-ratio: 21 / 9;
    background: var(--bg-muted);
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.article-header {
    padding: 28px 28px 0;
}

.article-header h1 {
    margin: 0 0 16px;
    font-size: clamp(1.4rem, 3vw, 2rem);
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: var(--text-color);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article-meta i {
    margin-left: 6px;
}

.article-content {
    padding: 28px;
    color: var(--text-color);
    line-height: 1.9;
    font-size: 1.05rem;
}

.article-content h2,
.article-content h3 {
    margin-top: 1.6em;
    margin-bottom: 0.6em;
    line-height: 1.4;
}

.article-content p {
    margin: 0 0 1em;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

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

.related-posts {
    margin-top: var(--space-2xl);
}

.related-posts h2 {
    margin: 0 0 var(--space-lg);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.related-post-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.related-post-card img,
.related-post-placeholder {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.related-post-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-muted);
    color: var(--text-muted);
    font-size: 1.5rem;
}

.related-post-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.related-post-content h3 {
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.related-post-content p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.8rem;
    line-height: 1.6;
    flex: 1;
}

.related-post-content .read-more {
    color: var(--primary-color);
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-decoration: none;
}

.related-post-content .read-more:hover {
    color: var(--primary-dark);
}

@media (max-width: 800px) {
    .related-posts-grid {
        grid-template-columns: 1fr;
    }

    .article-header,
    .article-content {
        padding-left: 18px;
        padding-right: 18px;
    }

    .article-image {
        aspect-ratio: 16 / 9;
    }
}