@media (max-width: 768px) {
  .nav {
    display: none;
    flex-direction: column;
    background: #fff;
    position: absolute;
    top: 60px;
    right: 0;
    width: 200px;
    padding: 1rem;
  }

  .nav.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}