@view-transition {
  navigation: auto;
}

.vt-site-header {
  view-transition-name: site-header;
}

.vt-site-footer {
  view-transition-name: site-footer;
}

#tshe-nav-progress {
  view-transition-name: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 200ms ease;
}

#tshe-nav-progress.is-active {
  opacity: 1;
}

#tshe-nav-progress.is-complete {
  opacity: 0;
}

#tshe-nav-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #45bf7e, #0caeff);
  box-shadow: 0 0 8px rgba(69, 191, 126, 0.45);
  transition: width 200ms ease;
}

@media (prefers-reduced-motion: no-preference) {
  ::view-transition-group(root) {
    animation-duration: 300ms;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  }

  ::view-transition-group(site-header),
  ::view-transition-group(site-footer) {
    animation-duration: 0s;
  }

  ::view-transition-old(site-header),
  ::view-transition-new(site-header),
  ::view-transition-old(site-footer),
  ::view-transition-new(site-footer) {
    animation: none;
    mix-blend-mode: normal;
  }

  ::view-transition-old(root) {
    animation: 300ms cubic-bezier(0.22, 1, 0.36, 1) both content-fade-out;
  }

  ::view-transition-new(root) {
    animation: 300ms cubic-bezier(0.22, 1, 0.36, 1) both content-fade-in;
  }

  @keyframes content-fade-out {
    from {
      opacity: 1;
      transform: translateY(0);
    }

    to {
      opacity: 0;
      transform: translateY(-8px);
    }
  }

  @keyframes content-fade-in {
    from {
      opacity: 0;
      transform: translateY(8px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(site-header),
  ::view-transition-group(site-footer),
  ::view-transition-group(root) {
    animation-duration: 0s !important;
  }

  ::view-transition-old(root),
  ::view-transition-new(root),
  ::view-transition-old(site-header),
  ::view-transition-new(site-header),
  ::view-transition-old(site-footer),
  ::view-transition-new(site-footer) {
    animation: none !important;
  }

  #tshe-nav-progress-bar {
    transition: none;
  }
}