@media (max-width: 760px) {
  .sidebar nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: visible;
    gap: 6px;
  }

  .nav-link {
    min-width: 0;
    padding: 10px;
  }

  .nav-link:first-child { grid-column: 1 / -1; }
}