@media (max-width: 850px) {
  .site-header.menu-open {
    align-items: flex-start;
    padding-top: 16px;
    height: 245px;
  }

  .site-header.menu-open nav {
    display: flex;
    position: absolute;
    top: 72px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    gap: 14px;
  }

  .site-header.menu-open .text-button {
    display: block;
    position: absolute;
    left: 16px;
    bottom: 18px;
  }
}