@media (max-width: 940px) {
  body.mobile-menu-open {
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
    overflow: hidden;
  }

  .mobile-nav.open {
    max-height: calc(100dvh - 58px);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
}