@media (max-width: 800px) {
  .topbar.menu-open .desktop-nav {
    display: flex;
    position: absolute;
    left: 0;
    right: 0;
    top: 77px;
    background: var(--paper);
    padding: 24px 22px 28px;
    flex-direction: column;
    gap: 20px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 22px rgba(16, 29, 37, .08);
  }

  .topbar.menu-open .desktop-nav a { font-size: 14px; }
}