/* Alternate entry: keep the same content and place its main navigation over the bottom. */
.nav-bottom .main-header {
  position: fixed;
  top: auto;
  bottom: max(12px, env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 16px), 466px);
  height: 48px;
  padding: 0;
  background: transparent;
}
.nav-bottom .main-nav {
  background: rgba(11, 27, 48, .94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}