/* Local navigation for the two independent ON directories. */
.on-section-nav { display: flex; align-items: stretch; gap: 24px; margin: 0 0 24px; border-bottom: 1px solid var(--color-border); font: 400 13px/1.5 var(--font-interface); }
.on-section-nav a { padding: 10px 0; border-bottom: 2px solid transparent; color: var(--color-text-secondary); text-decoration: none; }
.on-section-nav a[aria-current="page"] { border-bottom-color: var(--color-accent); color: var(--color-text); font-weight: 600; }
.on-section-nav a:hover { color: var(--color-text); }
.on-section-nav a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.on-section-count { font: inherit; font-weight: 400; }
@media (max-width: 480px) { .on-section-nav { gap: 18px; } }