.toc-link {
    transition: all 0.2s;
    padding-left: 0.75rem;
    border-left: 3px solid transparent;
}
.toc-link:hover {
    color: #1ba8a8;               /* brand‑500 */
}
.toc-link.active {
    font-weight: 700;
    color: #1ba8a8;               /* brand‑500 */
    border-left-color: #1ba8a8;
}
/* Anchor Offset Fix: Reserves space for the fixed navbar */
section[id] {
    scroll-margin-top: 5rem; 
}