/* Keep the original mountain. Blend out its square instead of replacing the mark. */
.nav-brand img, .footer-brand img, .nav-wrap .nav-inner img {
  filter: invert(1);
  mix-blend-mode: multiply;
  border-radius: 0;
}
:root[data-theme="dark"] .nav-brand img,
:root[data-theme="dark"] .footer-brand img,
:root[data-theme="dark"] .nav-wrap .nav-inner img {
  filter: none;
  mix-blend-mode: screen;
}