/* Layer the incoming scene over a solid outgoing image, then reveal its caption. */
.intro-art.intro-scene {
  width: 100%;
  height: auto;
  min-width: 0;
  display: block;
  direction: ltr;
}

.intro-scene-window {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  isolation: isolate;
  border-radius: 32px;
  background: #e8e3db;
  touch-action: pan-y pinch-zoom;
}

.intro-slide {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 2;
}

.intro-slide.is-leaving {
  z-index: 1;
  opacity: 1;
  visibility: visible;
}

.intro-scene.is-running .intro-slide.is-active {
  transition: opacity 820ms cubic-bezier(.22, .61, .36, 1);
}

.intro-scene-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  transform: scale(1.035) translateX(.75%);
}

.intro-slide.is-active .intro-scene-photo,
.intro-slide.is-leaving .intro-scene-photo {
  transform: none;
}

.intro-scene.is-running .intro-slide.is-active .intro-scene-photo {
  transition: transform 1300ms cubic-bezier(.22, 1, .36, 1);
}

.intro-scene-name {
  position: absolute;
  top: 22px;
  left: 22px;
  padding: 7px 13px;
  border: 1px solid rgb(255 255 255 / 65%);
  border-radius: 100px;
  background: rgb(255 255 255 / 92%);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #414145;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(5px);
}

.intro-translation {
  position: absolute;
  inset-inline: 24px;
  bottom: 24px;
  padding: 22px 26px 24px;
  border: 1px solid rgb(255 255 255 / 60%);
  border-radius: 24px;
  background: linear-gradient(145deg, rgb(255 255 255 / 89%), rgb(255 255 255 / 81%));
  -webkit-backdrop-filter: blur(24px) saturate(1.1);
  backdrop-filter: blur(24px) saturate(1.1);
  box-shadow: 0 6px 24px rgb(46 35 22 / 6%);
  text-align: start;
  direction: ltr;
  opacity: 0;
  transform: translateY(10px);
}

.intro-slide.is-active .intro-scene-name,
.intro-slide.is-active .intro-translation {
  opacity: 1;
  transform: none;
}

.intro-scene.is-running .intro-slide.is-active .intro-scene-name {
  transition: opacity 380ms ease 120ms, transform 500ms cubic-bezier(.22, 1, .36, 1) 120ms;
}

.intro-scene.is-running .intro-slide.is-active .intro-translation {
  transition: opacity 480ms ease 200ms, transform 650ms cubic-bezier(.22, 1, .36, 1) 200ms;
}

.intro-scene.is-running .intro-slide.is-leaving .intro-scene-name,
.intro-scene.is-running .intro-slide.is-leaving .intro-translation {
  transform: translateY(-4px);
  transition: opacity 140ms ease, transform 200ms ease;
}

.intro-utterance + .intro-utterance {
  margin-top: 18px;
}

.intro-language {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  color: #66666c;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
}

.intro-language .icon { width: 13px; height: 13px; }
.intro-utterance p { color: #45454b; font-size: 17px; line-height: 1.5; font-weight: 400; }
.intro-utterance-translated p {
  color: #006ac6;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.025em;
  text-wrap: pretty;
}

.intro-carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.intro-carousel-controls[hidden] { display: none; }
.intro-carousel-dots { display: flex; align-items: center; }
.intro-carousel-dot {
  display: grid;
  place-items: center;
  width: 38px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
}

.intro-carousel-dot::after {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 10px;
  background: #b6b6bd;
  transition: width 250ms ease, background 250ms ease;
}

.intro-carousel-dot[aria-current="true"]::after { width: 22px; background: var(--blue); }

@media (max-width: 1199px) and (min-width: 810px) {
  .intro-translation { inset-inline: 18px; bottom: 18px; padding: 20px; }
  .intro-utterance p { font-size: 15px; }
  .intro-utterance-translated p { font-size: 21px; }
}

@media (max-width: 809px) {
  .intro-art.intro-scene { max-width: 440px; margin-inline: auto; }
  .intro-scene-window { border-radius: 26px; }
  .intro-scene-name { top: 16px; left: 16px; font-size: 11px; padding: 6px 11px; }
  .intro-translation { inset-inline: 16px; bottom: 16px; padding: 19px 20px 21px; border-radius: 20px; }
  .intro-utterance p { font-size: 15px; }
  .intro-utterance-translated p { font-size: 22px; }
  .intro-utterance + .intro-utterance { margin-top: 16px; }
  .intro-carousel-controls { margin-top: 10px; }
}

@media (max-width: 359px) {
  .intro-translation { inset-inline: 12px; bottom: 12px; padding: 16px; }
  .intro-utterance p { font-size: 14px; }
  .intro-utterance-translated p { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .intro-scene .intro-slide,
  .intro-scene .intro-scene-photo,
  .intro-scene .intro-scene-name,
  .intro-scene .intro-translation,
  .intro-carousel-dot::after { transition: none !important; }
}