.nav-links.is-open {
  display: flex;
}

@media (max-width: 780px) {
  .nav {
    flex-wrap: wrap;
    padding: 1rem 1rem 0.8rem;
  }

  .menu-toggle {
    display: inline-block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 0.6rem 0 0;
  }

  .nav-link {
    display: block;
    padding: 0.7rem 0.2rem;
    border-left: 1px solid transparent;
  }

  .nav-link:hover,
  .nav-link.active {
    border-left-color: var(--pink);
    border-color: transparent;
  }

  .hero,
  .panel-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}