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

/* Blog Header */
.blog-header {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
    text-align: center;
}

.blog-header h1 {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.blog-header p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Featured Article */
.blog-featured {
    padding: 60px 0;
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.featured-image {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    min-height: 400px;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: var(--spacing-lg);
}

.featured-content {
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-content h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.featured-content h2 a {
    color: var(--color-text);
    text-decoration: none;
}

.featured-content h2 a:hover {
    color: var(--color-primary);
}

.featured-content p {
    color: var(--color-text-light);
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

/* Article Meta */
.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.article-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
}

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

.article-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
}

/* Articles Grid */
.blog-articles {
    padding: 60px 0;
    background: var(--color-bg);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xl);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.article-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.article-image {
    height: 160px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-dark) 100%);
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: var(--spacing-md);
}

.article-content {
    padding: var(--spacing-lg);
}

.article-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-content h3 a {
    color: var(--color-text);
    text-decoration: none;
}

.article-content h3 a:hover {
    color: var(--color-primary);
}

.article-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Blog CTA */
.blog-cta {
    padding: 80px 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
    color: var(--color-white);
}

.cta-box h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-box p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
}

.cta-box .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.cta-box .btn-primary:hover {
    background: var(--color-bg);
}

.cta-note {
    display: block;
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ==========================================================================
   Article Page Styles
   ========================================================================== */

.article-header {
    padding: 80px 0 40px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.article-header .container {
    max-width: 800px;
}

.article-header .article-meta {
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.article-header h1 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    text-align: center;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

.article-intro {
    font-size: 1.25rem;
    color: var(--color-text-light);
    text-align: center;
    line-height: 1.7;
}

/* Article Content */
.article-body {
    padding: 60px 0;
}

.article-body .container {
    max-width: 800px;
}

.article-content-main {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text);
}

.article-content-main h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin: var(--spacing-2xl) 0 var(--spacing-lg);
    color: var(--color-text);
}

.article-content-main h3 {
    font-size: 1.25rem;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    color: var(--color-text);
}

.article-content-main p {
    margin-bottom: var(--spacing-lg);
}

.article-content-main ul,
.article-content-main ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.article-content-main li {
    margin-bottom: var(--spacing-sm);
}

.article-content-main blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--color-text-light);
}

.article-content-main strong {
    color: var(--color-text);
}

/* Highlight Box */
.highlight-box {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.highlight-box.tip {
    border-left: 4px solid var(--color-secondary);
}

.highlight-box.warning {
    border-left: 4px solid #F59E0B;
}

.highlight-box h4 {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Download Box */
.download-box {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-white) 100%);
    border: 2px solid var(--color-primary-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.download-box h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.download-box p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* CTA Box in article */
.article-cta-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    color: var(--color-white);
}

.article-cta-box h3 {
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.article-cta-box p {
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

.article-cta-box .btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

/* Table of Contents */
.toc {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.toc h4 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.toc ol {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.toc li {
    margin-bottom: var(--spacing-sm);
}

.toc a {
    color: var(--color-text);
    text-decoration: none;
}

.toc a:hover {
    color: var(--color-primary);
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-xl) 0;
    font-size: 0.9375rem;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

.comparison-table tr:hover {
    background: var(--color-bg-alt);
}

.comparison-table .check {
    color: var(--color-secondary);
}

.comparison-table .cross {
    color: #DC2626;
}

/* Author Box */
.author-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
}

.author-info h4 {
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    margin: 0;
}

/* Related Articles */
.related-articles {
    padding: 60px 0;
    background: var(--color-bg);
}

.related-articles h2 {
    font-family: var(--font-serif);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .featured-article {
        grid-template-columns: 1fr;
    }

    .featured-image {
        min-height: 250px;
    }

    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blog-header h1 {
        font-size: 2rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

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

    .cta-box {
        padding: var(--spacing-xl);
    }
}