@media (max-width: 760px) {
  /* Keep every navigation link reachable without horizontal scrolling. */
  header.nav { position: relative; top: auto; }
  header.nav .nav-inner { flex-direction: column; align-items: stretch; min-width: 0; }
  header.nav nav.nav-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: stretch;
    width: 100%;
    min-width: 0;
    overflow: visible;
    gap: 8px;
    padding: 0;
  }
  header.nav nav.nav-links > a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 44px;
    padding: 8px 5px;
    font-size: 14px;
    line-height: 1.3;
    text-align: center;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  header.nav nav.nav-links > a.btn { grid-column: span 2; }
}