/* Article-specific styles */

.article-header {
    background: var(--bg-secondary);
    padding: 8rem 0 4rem 0;
    margin-top: 70px;
}

.article-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.article-series {
    background: var(--color-primary);
    color: var(--text-white);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-date {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.article-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.article-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 800px;
}

.article-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--color-gray-100);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.article-content {
    padding: 4rem 0;
    background: var(--bg-primary);
}

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

.article-body .lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    font-weight: 500;
}

.article-body h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 3rem 0 1.5rem 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.article-body h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 2rem 0 1rem 0;
}

.article-body p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.article-body ul,
.article-body ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-body li {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

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

.article-body code {
    background: var(--color-gray-100);
    color: var(--color-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
}

.article-body pre {
    background: var(--color-gray-900);
    color: var(--text-white);
    padding: 1.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 2rem 0;
}

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

.article-body blockquote {
    background: var(--color-gray-50);
    border-left: 4px solid var(--color-primary);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
    border-radius: 0 0.5rem 0.5rem 0;
    position: relative;
}

.article-body blockquote::before {
    content: '"';
    font-size: 4rem;
    color: var(--color-primary);
    position: absolute;
    top: -0.5rem;
    left: 1rem;
    opacity: 0.3;
    font-family: serif;
}

/* Article Link Styles - Only for content links, not navigation */
.article-body p a,
.article-body h2 a,
.article-body h3 a,
.article-body li a,
.article-body blockquote a {
    color: var(--color-primary);
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
    padding-bottom: 1px;
}

.article-body p a:hover,
.article-body h2 a:hover,
.article-body h3 a:hover,
.article-body li a:hover,
.article-body blockquote a:hover {
    color: var(--color-primary-hover);
    border-bottom-color: var(--color-primary);
    transform: translateY(-1px);
}

.article-body p a:focus,
.article-body h2 a:focus,
.article-body h3 a:focus,
.article-body li a:focus,
.article-body blockquote a:focus {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
    border-radius: 2px;
}

.article-body p a:active,
.article-body h2 a:active,
.article-body h3 a:active,
.article-body li a:active,
.article-body blockquote a:active {
    transform: translateY(0);
    color: var(--color-primary-dark);
}

/* External link indicator removed for cleaner inline appearance */

/* Article Image Styles */
.article-image {
    margin: 2rem 0;
    text-align: center;
}

.article-image-content {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px var(--shadow-light);
    border: 1px solid var(--border-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-image-content:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px var(--shadow-medium);
}

.article-navigation {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-navigation .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.article-card {
    background: var(--text-white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
    text-decoration: none;
    color: inherit;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px var(--shadow-medium);
    text-decoration: none;
    color: inherit;
}

.article-card-number {
    background: var(--color-primary);
    color: var(--text-white);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.article-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.article-card-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.article-card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.article-card-tag {
    background: var(--color-gray-100);
    color: var(--text-muted);
    padding: 0.125rem 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .article-header {
        padding: 6rem 0 3rem 0;
    }
    
    .article-title {
        font-size: 2.5rem;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .article-navigation .btn {
        width: 100%;
        justify-content: center;
    }
    
    .article-list {
        grid-template-columns: 1fr;
    }
}