/* ═══════════════════════════════════════════════════
   BLOG ARTICLE STYLES
   Shared across all /blog/[slug]/index.html pages
   ═══════════════════════════════════════════════════ */

.article-page {
    padding: calc(var(--nav-height) + 40px) 0 80px;
    background: var(--c-bg);
}

.article__container {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.article__header {
    text-align: center;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--c-border);
}

.article__breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    color: var(--c-text-muted);
    margin-bottom: 24px;
}

.article__breadcrumb a {
    color: var(--c-primary);
    font-weight: 500;
}

.article__breadcrumb a:hover {
    text-decoration: underline;
}

.article__tag {
    display: inline-block;
    padding: 5px 14px;
    background: var(--c-primary-50);
    color: var(--c-primary);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.article__title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--c-text);
    margin-bottom: 20px;
}

.article__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--c-text-muted);
}

.article__meta-divider {
    width: 4px;
    height: 4px;
    background: var(--c-text-muted);
    border-radius: 50%;
}

/* Content */
.article__content {
    font-size: 17px;
    line-height: 1.85;
    color: var(--c-text-secondary);
}

.article__content h2 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--c-text);
    margin: 48px 0 20px;
    line-height: 1.25;
}

.article__content h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--c-text);
    margin: 36px 0 16px;
    line-height: 1.3;
}

.article__content p {
    margin-bottom: 20px;
}

.article__content strong {
    color: var(--c-text);
    font-weight: 600;
}

.article__content a {
    color: var(--c-primary);
    font-weight: 500;
    text-decoration: underline;
    text-decoration-color: rgba(79, 70, 229, 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.2s;
}

.article__content a:hover {
    text-decoration-color: var(--c-primary);
}

.article__content ul,
.article__content ol {
    margin: 16px 0 24px 24px;
}

.article__content li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.article__content ul li {
    list-style: disc;
}

.article__content ol li {
    list-style: decimal;
}

.article__content blockquote {
    margin: 32px 0;
    padding: 24px 28px;
    background: var(--c-primary-50);
    border-left: 4px solid var(--c-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--c-text);
    font-size: 18px;
    line-height: 1.7;
}

.article__content blockquote p {
    margin-bottom: 0;
}

.article__content img {
    width: 100%;
    border-radius: var(--radius-lg);
    margin: 32px 0;
    box-shadow: var(--shadow-md);
}

/* CTA Box */
.article__cta {
    margin: 48px 0;
    padding: 36px;
    background: linear-gradient(135deg, var(--c-primary-50), var(--c-primary-100));
    border: 2px solid var(--c-primary-200);
    border-radius: var(--radius-xl);
    text-align: center;
}

.article__cta h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 12px;
}

.article__cta p {
    font-size: 15px;
    color: var(--c-text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.article__cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--c-primary);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s var(--ease-out);
    box-shadow: var(--shadow-primary);
    text-decoration: none !important;
}

.article__cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary-lg);
    color: white;
}

/* Comparison Table */
.article__table-wrap {
    overflow-x: auto;
    margin: 32px 0;
}

.article__table {
    width: 100%;
    border-collapse: collapse;
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    font-size: 15px;
}

.article__table thead th {
    padding: 16px;
    background: var(--c-bg-alt);
    font-weight: 700;
    text-align: left;
    border-bottom: 2px solid var(--c-border);
    color: var(--c-text);
    font-size: 14px;
}

.article__table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--c-border);
    color: var(--c-text-secondary);
    vertical-align: top;
}

.article__table tbody tr:last-child td {
    border-bottom: none;
}

/* Key Takeaway Box */
.article__key-point {
    margin: 32px 0;
    padding: 24px 28px;
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    border-radius: var(--radius-lg);
}

.article__key-point strong {
    display: block;
    color: #065F46;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.article__key-point p {
    color: #064E3B;
    margin-bottom: 0;
    font-size: 15px;
}

/* Footer nav */
.article__footer-nav {
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--c-border);
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.article__footer-link {
    font-size: 14px;
    color: var(--c-primary);
    font-weight: 600;
    transition: color 0.2s;
}

.article__footer-link:hover {
    color: var(--c-primary-dark);
}

/* Related Posts */
.article__related {
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--c-border);
}

.article__related h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 24px;
    text-align: center;
}

.article__related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.article__related-card {
    padding: 24px;
    background: var(--c-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--c-border);
    transition: all 0.3s var(--ease-out);
}

.article__related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--c-primary-200);
}

.article__related-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--c-primary-50);
    color: var(--c-primary);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.article__related-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--c-text);
    line-height: 1.35;
    transition: color 0.2s;
}

.article__related-card:hover .article__related-title {
    color: var(--c-primary);
}

@media (max-width: 640px) {
    .article__content { font-size: 16px; }
    .article__content h2 { font-size: 24px; }
    .article__content h3 { font-size: 20px; }
    .article__cta { padding: 28px 20px; }
    .article__related-grid { grid-template-columns: 1fr; }
    .article__footer-nav { flex-direction: column; }
}