/* Blog Layout - DESIGN_REF: Full-width grid, no sidebar */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* Blog Card with Image */
.blog-card {
    position: relative;
}
.blog-card-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}
.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}
.blog-card:hover .blog-card-img img {
    transform: scale(1.06);
}
.blog-card-date {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 12px 10px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 1px;
    z-index: 2;
    border-radius: 0 0 5px 0;
}
.blog-card-body h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}
.blog-card-body h3 a {
    color: var(--color-text);
}
.blog-card-body h3 a:hover {
    color: var(--color-primary);
}
.blog-card-excerpt {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card-readmore {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 10px 24px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 5px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.blog-card-readmore::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: #000000;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
    z-index: -1;
}
.blog-card-readmore:hover {
    color: #fff;
}
.blog-card-readmore:hover::before {
    width: 300px;
    height: 300px;
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    justify-content: center;
}
.category-filter a {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 5px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    min-height: 44px;
}
.category-filter a:hover,
.category-filter a.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Article Page - DESIGN_REF: Single-column layout */
.article-header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}
.article-header h1 {
    max-width: 800px;
    margin: 0 auto;
}
.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border-light);
}
.article-tags-label {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-right: var(--spacing-sm);
    display: flex;
    align-items: center;
}

/* Related Articles Grid */
.related-articles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* Blog Sidebar Enhancements */
.sidebar-categories li a.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* Tag Page */
.tag-header {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}
.tag-header .tag-name {
    display: inline-block;
    padding: 8px 24px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 5px;
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}