/* Article prev/next navigation + related articles — Synteresis 2026-04-02 */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0;
}
.article-nav__link {
    display: block;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: border-color 0.2s;
}
.article-nav__link:hover { border-color: var(--accent); }
.article-nav__link--next { text-align: right; }
.article-nav__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 6px;
    display: block;
}
.article-nav__title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-bright);
    line-height: 1.4;
    display: block;
}

/* Related articles grid */
.related-articles { margin: 40px 0 16px; }
.related-articles__title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 16px;
}
.related-articles__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.related-card {
    display: block;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: border-color 0.2s;
}
.related-card:hover { border-color: var(--accent); }
.related-card__tag {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 8px;
}
.related-card__title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-bright);
    line-height: 1.3;
    margin-bottom: 6px;
}
.related-card__excerpt {
    font-size: 0.75rem;
    color: var(--text-dim);
    line-height: 1.5;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .article-nav { grid-template-columns: 1fr; }
    .article-nav__link--next { text-align: left; }
    .related-articles__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .related-articles__grid { grid-template-columns: 1fr; }
}