/*
 * Blog Styles - Systems Thinking Lab
 * Matches the main site design system
 */

/* ==========================================================================
   Blog Index Page
   ========================================================================== */

.blog-index {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
}

.blog-header {
    grid-column: 1 / -1;
    text-align: center;
    margin-bottom: 2rem;
}

.blog-header h1 {
    font-size: 2.5rem;
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

.blog-tagline {
    font-size: 1.2rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* Blog Cards */
.blog-posts {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.blog-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.blog-card a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.blog-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-card-content {
    padding: 1.5rem;
}

.blog-card h2 {
    font-size: 1.4rem;
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.blog-card-excerpt {
    color: var(--text-medium);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-card-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

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

/* Tags */
.tag {
    display: inline-block;
    background: var(--bg-light);
    color: var(--accent-light-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Sidebar */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-cta {
    background: var(--primary-navy);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.sidebar-cta h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.sidebar-cta p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.sidebar-cta .cta-button {
    display: inline-block;
    background: var(--accent-cyan);
    color: var(--primary-navy);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}

.sidebar-cta .cta-button:hover {
    background: white;
}

.sidebar-topics {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sidebar-topics h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary-navy);
}

.sidebar-topics ul {
    list-style: none;
}

.sidebar-topics li {
    margin-bottom: 0.5rem;
}

.sidebar-topics a {
    color: var(--text-medium);
    text-decoration: none;
    transition: color 0.2s;
}

.sidebar-topics a:hover {
    color: var(--accent-light-blue);
}

.no-posts {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    color: var(--text-medium);
}

.no-posts a {
    color: var(--accent-light-blue);
}

/* ==========================================================================
   Blog Post Page
   ========================================================================== */

.blog-post {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.blog-post-header {
    margin-bottom: 3rem;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.back-to-blog {
    color: var(--accent-light-blue);
    text-decoration: none;
    font-weight: 500;
}

.back-to-blog:hover {
    text-decoration: underline;
}

.blog-post-header h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.blog-post-excerpt {
    font-size: 1.25rem;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Blog Post Content */
.blog-post-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.blog-post-content h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-navy);
}

.blog-post-content h3 {
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--primary-navy);
}

.blog-post-content p {
    margin-bottom: 1.5rem;
}

.blog-post-content ul, .blog-post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.blog-post-content li {
    margin-bottom: 0.5rem;
}

.blog-post-content blockquote {
    border-left: 4px solid var(--accent-cyan);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-medium);
}

.blog-post-content code {
    background: var(--bg-light);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.9em;
}

.blog-post-content pre {
    background: var(--primary-navy);
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.blog-post-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.blog-post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2rem 0;
}

.blog-post-content a {
    color: var(--accent-light-blue);
    text-decoration: underline;
}

.blog-post-content a:hover {
    color: var(--accent-cyan);
}

/* Blog Post Footer */
.blog-post-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.blog-cta {
    background: linear-gradient(135deg, var(--primary-navy) 0%, #003366 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 2rem;
}

.blog-cta h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.blog-cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.blog-cta .cta-button {
    display: inline-block;
    background: var(--accent-cyan);
    color: var(--primary-navy);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.blog-cta .cta-button:hover {
    background: white;
    transform: translateY(-2px);
}

.author-bio {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info strong {
    display: block;
    font-size: 1.1rem;
    color: var(--primary-navy);
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.5;
    margin: 0;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 900px) {
    .blog-index {
        grid-template-columns: 1fr;
    }

    .blog-sidebar {
        order: -1;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-cta, .sidebar-topics {
        flex: 1;
        min-width: 280px;
    }
}

@media (max-width: 600px) {
    .blog-header h1 {
        font-size: 2rem;
    }

    .blog-post-header h1 {
        font-size: 1.75rem;
    }

    .blog-post-content {
        font-size: 1rem;
    }

    .blog-post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .author-bio {
        flex-direction: column;
        text-align: center;
    }

    .blog-cta {
        padding: 2rem 1.5rem;
    }
}