:root { --page-transition-duration: 480ms; }

[data-page-transition] {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 100dvh;
  padding: clamp(24px, 5vw, 72px);
  background: #f3ca20;
  color: #000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(100%);
  transition:
    transform var(--page-transition-duration) cubic-bezier(.76, 0, .24, 1),
    opacity 80ms linear,
    visibility 0s linear var(--page-transition-duration);
  overflow: hidden;
}

[data-page-transition].is-active,
[data-page-transition].is-revealing,
[data-page-transition].is-released {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

[data-page-transition].is-active,
[data-page-transition].is-revealing { transform: translateY(0); }
[data-page-transition].is-active { pointer-events: auto; }
[data-page-transition].is-released { transform: translateY(-100%); }

.page-transition__frame {
  display: grid;
  justify-items: center;
  width: min(100%, clamp(200px, 32vw, 380px));
}

.page-transition__mark {
  display: block;
  width: 100%;
  height: auto;
}

.is-active .page-transition__mark {
  animation: page-transition-logo 320ms cubic-bezier(.22, 1, .36, 1) 100ms both;
}

@keyframes page-transition-logo {
  from { opacity: 0; transform: translateY(12px) scale(.94); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.page-transition__line {
  display: block;
  width: 100%;
  height: 2px;
  margin-top: clamp(12px, 3vw, 34px);
  background: #000;
  transform: scaleX(.08);
  transform-origin: left center;
  transition: transform var(--page-transition-duration) cubic-bezier(.22, 1, .36, 1);
}

.is-active .page-transition__line,
.is-revealing .page-transition__line { transform: scaleX(1); }
.is-released .page-transition__line { transform-origin: right center; transform: scaleX(0); }

html.is-page-transitioning { cursor: progress; }

@media (prefers-reduced-motion: reduce) {
  [data-page-transition],
  .page-transition__line,
  .is-active .page-transition__mark {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }
}