.reality-carousel,
.body-instrument-archive,
.sienna-reading-archive {
  position: relative;
  isolation: isolate;
  width: 100%;
  overflow: hidden;
  color: #eee4cf;
  background: #020303;
}

/* Full-screen dimensional worlds */
.reality-carousel {
  height: 100svh;
  min-height: 680px;
  background: #030708;
}

.reality-carousel-slides,
.reality-carousel-slide,
.reality-carousel-slide video,
.reality-carousel-vignette {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.reality-carousel-slide {
  z-index: 1;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.025);
  transition: opacity 1.15s ease, visibility 1.15s, transform 5s ease-out;
}

.reality-carousel-slide.is-active {
  z-index: 2;
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.reality-carousel-slide video {
  display: block;
  object-fit: cover;
  object-position: center;
  background: #030708;
  filter: contrast(1.05) saturate(1.06) brightness(.88);
}

.reality-carousel-vignette {
  z-index: 3;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(1, 4, 5, .62), transparent 24%, transparent 72%, rgba(1, 3, 4, .8)),
    linear-gradient(90deg, rgba(1, 3, 4, .5), transparent 19%, transparent 81%, rgba(1, 3, 4, .5));
}

.reality-carousel-heading {
  position: absolute;
  z-index: 6;
  left: 6vw;
  bottom: 11vh;
  width: min(780px, 72vw);
  text-shadow: 0 5px 28px rgba(0, 0, 0, .94);
}

.reality-carousel-heading span {
  display: block;
  margin-bottom: 12px;
  color: #87e8e2;
  font: 700 10px/1.35 Arial, sans-serif;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.reality-carousel-heading h2 {
  margin: 0;
  color: #f2e5c6;
  font: 400 5rem/.94 Georgia, "Times New Roman", serif;
  letter-spacing: 0;
  text-wrap: balance;
}

.reality-carousel-arrow,
.body-instrument-arrow {
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: color .25s ease, border-color .25s ease, background .25s ease, transform .25s ease;
}

.reality-carousel-arrow {
  position: absolute;
  z-index: 7;
  top: 50%;
  width: 56px;
  aspect-ratio: 1;
  color: #ead8b0;
  background: rgba(1, 5, 6, .58);
  border: 1px solid rgba(226, 190, 119, .58);
  box-shadow: 0 0 0 6px rgba(2, 6, 7, .36), 0 0 28px rgba(0, 0, 0, .72);
  font: 400 1.75rem/1 Georgia, serif;
  transform: translateY(-50%);
  backdrop-filter: blur(8px);
}

.reality-carousel-prev { left: 28px; }
.reality-carousel-next { right: 28px; }

.reality-carousel-arrow:hover,
.reality-carousel-arrow:focus-visible,
.body-instrument-arrow:hover,
.body-instrument-arrow:focus-visible {
  color: #fff1cb;
  background: rgba(9, 31, 30, .84);
  border-color: rgba(120, 233, 225, .82);
  outline: none;
  transform: translateY(-50%) scale(1.08);
}

.reality-carousel-navigation {
  position: absolute;
  z-index: 7;
  right: 6vw;
  bottom: 9vh;
  display: flex;
  align-items: center;
  gap: 18px;
}

.reality-carousel-dots,
.body-instrument-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.reality-carousel-dot,
.body-instrument-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 1px solid rgba(231, 207, 156, .66);
  border-radius: 50%;
  background: rgba(1, 4, 5, .5);
  cursor: pointer;
  transition: transform .25s ease, background .25s ease, box-shadow .25s ease;
}

.reality-carousel-dot.is-active,
.body-instrument-dot.is-active {
  background: #7ae5df;
  border-color: #c2fff9;
  box-shadow: 0 0 14px rgba(103, 238, 232, .8);
  transform: scale(1.4);
}

.reality-carousel-dot:focus-visible,
.body-instrument-dot:focus-visible {
  outline: 1px solid #efdba9;
  outline-offset: 4px;
}

.reality-carousel-count,
.body-instrument-count {
  min-width: 56px;
  color: rgba(239, 225, 195, .68);
  font: 700 8px/1 Arial, sans-serif;
  letter-spacing: .17em;
}

.reality-carousel-perimeter {
  position: absolute;
  z-index: 6;
  right: 0;
  left: 0;
  display: flex;
  width: max-content;
  min-width: 200%;
  overflow: hidden;
  color: rgba(238, 218, 174, .72);
  font: 700 9px/1 Arial, sans-serif;
  letter-spacing: .16em;
  text-transform: uppercase;
  white-space: nowrap;
  text-shadow: 0 0 11px rgba(103, 238, 232, .55);
  pointer-events: none;
}

.reality-carousel-perimeter span {
  min-width: 50%;
  padding-inline: 2rem;
}

.reality-carousel-perimeter-top {
  top: 14px;
  animation: reality-perimeter-left 24s linear infinite;
}

.reality-carousel-perimeter-bottom {
  bottom: 14px;
  animation: reality-perimeter-right 27s linear infinite;
}

@keyframes reality-perimeter-left {
  to { transform: translateX(-50%); }
}

@keyframes reality-perimeter-right {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

/* Anatomical performance carousel */
.body-instrument-archive {
  padding: 120px 0 130px;
  background:
    radial-gradient(circle at 50% 49%, rgba(87, 179, 171, .12), transparent 37%),
    radial-gradient(circle at 21% 45%, rgba(129, 56, 49, .1), transparent 28%),
    #020303;
  border-block: 1px solid rgba(181, 143, 89, .2);
}

.body-instrument-archive::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, transparent 0 9.9%, rgba(103, 238, 232, .025) 10%, transparent 10.1%),
    linear-gradient(90deg, transparent 49.94%, rgba(224, 181, 105, .07) 50%, transparent 50.06%);
}

.body-instrument-heading {
  width: min(1100px, calc(100% - 44px));
  margin: 0 auto 60px;
  text-align: center;
}

.body-instrument-heading span,
.sienna-reading-copy > span {
  display: block;
  margin-bottom: 13px;
  color: #78dcd7;
  font: 700 9px/1.4 Arial, sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.body-instrument-heading h2 {
  max-width: 1050px;
  margin: 0 auto;
  color: #f1e4c8;
  font: 400 4rem/1 Georgia, "Times New Roman", serif;
  letter-spacing: 0;
  text-wrap: balance;
}

.body-instrument-stage {
  position: relative;
  isolation: isolate;
  width: min(1800px, 98vw);
  aspect-ratio: 2752 / 1536;
  margin-inline: auto;
  overflow: hidden;
  background: #010202;
  box-shadow: 0 48px 100px rgba(0, 0, 0, .76), 0 0 70px rgba(89, 187, 179, .09);
}

.body-instrument-slides,
.body-instrument-slide,
.body-instrument-slide video,
.body-instrument-glass,
.body-instrument-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.body-instrument-slide {
  z-index: 1;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.03);
  transition: opacity .85s ease, visibility .85s, transform 4.5s ease-out;
}

.body-instrument-slide.is-active {
  z-index: 2;
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.body-instrument-slide video {
  display: block;
  inset: auto;
  top: 28.52%;
  left: 34.12%;
  width: 31.69%;
  height: 42%;
  object-fit: cover;
  object-position: center;
  background: #010202;
  border-radius: 14px;
  box-shadow: 0 0 0 2px rgba(4, 8, 8, .92), 0 0 28px rgba(92, 218, 210, .12);
  filter: contrast(1.05) saturate(1.03) brightness(.83);
}

.body-instrument-slide.is-active video {
  filter: contrast(1.06) saturate(1.08) brightness(.94);
}

.body-instrument-slide figcaption {
  position: absolute;
  z-index: 8;
  left: 50%;
  bottom: 4.5%;
  min-width: 220px;
  padding: 11px 22px;
  color: #f1e3c4;
  background: rgba(1, 4, 5, .78);
  border-top: 1px solid rgba(215, 177, 105, .42);
  border-bottom: 1px solid rgba(103, 238, 232, .28);
  font: 400 1.1rem/1.2 Georgia, serif;
  letter-spacing: 0;
  text-align: center;
  text-shadow: 0 2px 9px #000;
  transform: translateX(-50%);
  backdrop-filter: blur(8px);
}

.body-instrument-slide figcaption span {
  display: block;
  margin-bottom: 5px;
  color: #7ee1dc;
  font: 700 7px/1 Arial, sans-serif;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.body-instrument-glass {
  z-index: 3;
  pointer-events: none;
  background:
    linear-gradient(118deg, rgba(255, 255, 255, .075), transparent 17% 76%, rgba(103, 238, 232, .035)),
    radial-gradient(ellipse at center, transparent 45%, rgba(0, 0, 0, .44) 100%);
}

.body-instrument-frame {
  z-index: 5;
  display: block;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, .78));
}

.body-instrument-arrow {
  position: absolute;
  z-index: 9;
  top: 50%;
  width: 52px;
  aspect-ratio: 1;
  color: #e5d2ac;
  background: rgba(2, 5, 6, .76);
  border: 1px solid rgba(220, 182, 112, .62);
  box-shadow: 0 0 0 6px rgba(2, 4, 5, .45), 0 0 24px rgba(0, 0, 0, .84);
  font: 400 1.5rem/1 Georgia, serif;
  transform: translateY(-50%);
}

.body-instrument-prev { left: 4.2%; }
.body-instrument-next { right: 4.2%; }

.body-instrument-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin: 24px auto 0;
}

.body-instrument-audio {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 12px;
  color: rgba(229, 215, 187, .62);
  background: rgba(2, 8, 8, .74);
  border: 1px solid rgba(118, 219, 212, .22);
  font: 700 8px/1 Arial, sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: color .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.body-instrument-audio i {
  width: 25px;
  height: 10px;
  background: repeating-linear-gradient(90deg, #76ded8 0 2px, transparent 2px 5px);
  clip-path: polygon(0 45%, 8% 45%, 8% 28%, 16% 28%, 16% 72%, 24% 72%, 24% 8%, 32% 8%, 32% 92%, 40% 92%, 40% 20%, 48% 20%, 48% 80%, 56% 80%, 56% 0, 64% 0, 64% 100%, 72% 100%, 72% 30%, 80% 30%, 80% 70%, 88% 70%, 88% 43%, 100% 43%, 100% 57%, 88% 57%, 88% 84%, 80% 84%, 80% 16%, 72% 16%, 72% 100%, 64% 100%, 64% 0, 56% 0, 56% 92%, 48% 92%, 48% 8%, 40% 8%, 40% 84%, 32% 84%, 32% 16%, 24% 16%, 24% 86%, 16% 86%, 16% 14%, 8% 14%, 8% 57%, 0 57%);
  opacity: .58;
}

.body-instrument-audio.is-live {
  color: #f5e7c5;
  border-color: rgba(116, 232, 224, .72);
  box-shadow: 0 0 20px rgba(91, 221, 213, .14);
}

.body-instrument-audio.is-live i {
  opacity: 1;
  filter: drop-shadow(0 0 6px rgba(100, 238, 229, .9));
  animation: bodyInstrumentAudio .42s ease-in-out infinite alternate;
}

@keyframes bodyInstrumentAudio {
  to { transform: scaleY(1.35); }
}

/* Supplied organic frame for Music / Life */
.external-film-console {
  width: min(1800px, 98vw);
  aspect-ratio: 2752 / 1536;
  overflow: visible;
  background: transparent;
  border: 0;
  clip-path: none;
  box-shadow: none;
}

.external-film-console::before,
.external-film-console::after,
.external-film-orbit,
.external-film-vault,
.external-film-charger,
.external-film-crown {
  display: none;
}

.external-film-player {
  z-index: 4;
  inset: 27.8% 25.2% 26.8% 25.2%;
  border: 1px solid rgba(238, 206, 145, .7);
  box-shadow: 0 0 0 5px rgba(2, 4, 5, .82), 0 20px 46px rgba(0, 0, 0, .78), 0 0 35px rgba(103, 238, 232, .13);
}

.external-film-organic-frame {
  position: absolute;
  z-index: 7;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 28px 36px rgba(0, 0, 0, .74));
}

.external-film-play-prompt {
  z-index: 9;
}

/* Sienna reading room */
.sienna-reading-archive {
  padding: 120px 34px 140px;
  background:
    radial-gradient(circle at 24% 47%, rgba(102, 209, 202, .1), transparent 31%),
    radial-gradient(circle at 78% 40%, rgba(181, 139, 83, .08), transparent 29%),
    #020404;
  border-bottom: 1px solid rgba(218, 178, 106, .2);
}

.sienna-reading-archive::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 49.94%, rgba(103, 238, 232, .06) 50%, transparent 50.06%),
    repeating-linear-gradient(0deg, transparent 0 94px, rgba(218, 178, 106, .025) 95px, transparent 96px);
}

.sienna-reading-inner {
  width: min(1500px, 100%);
  display: grid;
  grid-template-columns: minmax(380px, .9fr) minmax(420px, 1.1fr);
  gap: 8vw;
  margin-inline: auto;
  align-items: center;
}

.sienna-reading-visual {
  display: flex;
  justify-content: center;
}

.sienna-reading-stage {
  position: relative;
  width: min(600px, 100%);
  aspect-ratio: 1536 / 2752;
  isolation: isolate;
}

.sienna-reading-screen {
  position: absolute;
  z-index: 1;
  inset: 11.6% 17.5% 15.8% 18.3%;
  overflow: hidden;
  background: #010202;
  border-radius: 43% 43% 28% 28% / 9% 9% 8% 8%;
  box-shadow: inset 0 0 34px rgba(0, 0, 0, .56), 0 0 28px rgba(102, 212, 205, .14);
}

.sienna-reading-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 255, 255, .08), transparent 17% 74%, rgba(103, 238, 232, .035));
}

.sienna-reading-screen video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  background: #010202;
  filter: contrast(1.03) saturate(.96) brightness(.92);
}

.sienna-reading-frame {
  position: absolute;
  z-index: 4;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 26px 42px rgba(0, 0, 0, .76));
}

.sienna-reading-sound {
  position: absolute;
  z-index: 7;
  left: 50%;
  bottom: 7.5%;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  color: #eeddb9;
  background: rgba(2, 6, 7, .84);
  border: 1px solid rgba(222, 181, 108, .58);
  font: 700 8px/1 Arial, sans-serif;
  letter-spacing: .15em;
  text-transform: uppercase;
  cursor: pointer;
  transform: translateX(-50%);
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}

.sienna-reading-sound i {
  width: 19px;
  height: 12px;
  flex: 0 0 19px;
  background: repeating-linear-gradient(90deg, #77dcd7 0 2px, transparent 2px 5px);
  clip-path: polygon(0 42%, 12% 42%, 12% 20%, 24% 20%, 24% 80%, 36% 80%, 36% 5%, 48% 5%, 48% 95%, 60% 95%, 60% 28%, 72% 28%, 72% 72%, 84% 72%, 84% 42%, 100% 42%, 100% 58%, 84% 58%, 84% 86%, 72% 86%, 72% 14%, 60% 14%, 60% 100%, 48% 100%, 48% 0, 36% 0, 36% 86%, 24% 86%, 24% 14%, 12% 14%, 12% 58%, 0 58%);
}

.sienna-reading-sound:hover,
.sienna-reading-sound:focus-visible,
.sienna-reading-sound[aria-pressed="true"] {
  color: #fff2d1;
  border-color: rgba(112, 228, 220, .82);
  background: rgba(11, 30, 29, .92);
  outline: none;
}

.sienna-reading-sound[aria-pressed="true"] i {
  filter: drop-shadow(0 0 8px rgba(103, 238, 232, .85));
  animation: sienna-reading-pulse .6s ease-in-out infinite alternate;
}

@keyframes sienna-reading-pulse {
  to { transform: scaleY(1.28); }
}

.sienna-reading-copy {
  max-width: 670px;
}

.sienna-reading-copy h2 {
  margin: 0;
  color: #f2e5c8;
  font: 400 5rem/.92 Georgia, "Times New Roman", serif;
  letter-spacing: 0;
}

.sienna-reading-copy > p {
  max-width: 620px;
  margin: 28px 0 42px;
  color: rgba(235, 226, 208, .7);
  font: 400 1.15rem/1.7 Georgia, "Times New Roman", serif;
  letter-spacing: 0;
}

.sienna-reading-index {
  border-top: 1px solid rgba(214, 173, 99, .3);
}

.sienna-reading-index article {
  display: grid;
  grid-template-columns: minmax(170px, .7fr) 1.3fr;
  gap: 26px;
  padding: 21px 0;
  border-bottom: 1px solid rgba(102, 207, 200, .16);
}

.sienna-reading-index strong {
  color: #e8d4aa;
  font: 400 1.08rem/1.25 Georgia, "Times New Roman", serif;
  letter-spacing: 0;
}

.sienna-reading-index p {
  margin: 0;
  color: rgba(222, 218, 206, .56);
  font: 400 .82rem/1.55 Arial, sans-serif;
  letter-spacing: 0;
}

.sienna-reading-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.sienna-reading-links a {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  color: #ebd9b3;
  border: 1px solid rgba(220, 179, 102, .46);
  font: 700 8px/1 Arial, sans-serif;
  letter-spacing: .15em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}

.sienna-reading-links a:hover,
.sienna-reading-links a:focus-visible {
  color: #fff0ca;
  border-color: rgba(103, 238, 232, .68);
  background: rgba(103, 238, 232, .07);
  outline: none;
}

@media (max-width: 980px) {
  .reality-carousel-heading h2 {
    font-size: 3.6rem;
  }

  .body-instrument-heading h2 {
    font-size: 3rem;
  }

  .sienna-reading-inner {
    grid-template-columns: minmax(300px, .85fr) minmax(360px, 1.15fr);
    gap: 5vw;
  }

  .sienna-reading-copy h2 {
    font-size: 3.7rem;
  }
}

@media (max-width: 720px) {
  .reality-carousel {
    min-height: 620px;
  }

  .reality-carousel-heading {
    left: 24px;
    bottom: 86px;
    width: calc(100% - 48px);
  }

  .reality-carousel-heading h2 {
    max-width: 310px;
    font-size: 2.65rem;
  }

  .reality-carousel-arrow {
    top: 56%;
    width: 42px;
    font-size: 1.25rem;
  }

  .reality-carousel-prev { left: 12px; }
  .reality-carousel-next { right: 12px; }

  .reality-carousel-navigation {
    right: auto;
    left: 24px;
    bottom: 48px;
  }

  .reality-carousel-perimeter {
    font-size: 7px;
  }

  .body-instrument-archive {
    padding: 86px 0 98px;
  }

  .body-instrument-heading {
    margin-bottom: 34px;
  }

  .body-instrument-heading h2 {
    font-size: 2.35rem;
  }

  .body-instrument-stage {
    width: 100%;
  }

  .body-instrument-arrow {
    width: 36px;
    font-size: 1rem;
  }

  .body-instrument-prev { left: 2.5%; }
  .body-instrument-next { right: 2.5%; }

  .body-instrument-slide figcaption {
    bottom: 2%;
    min-width: 150px;
    padding: 6px 12px;
    font-size: .75rem;
  }

  .body-instrument-slide figcaption span {
    display: none;
  }

  .body-instrument-audio {
    width: min(220px, 82vw);
    justify-content: center;
  }

  .external-film-console {
    width: 100vw;
  }

  .external-film-player {
    inset: 27.8% 25.2% 26.8%;
    box-shadow: 0 0 0 2px rgba(2, 4, 5, .82), 0 8px 20px rgba(0, 0, 0, .75);
  }

  .external-film-play-prompt {
    width: 62px;
  }

  .external-film-play-prompt strong {
    font-size: 9px;
  }

  .sienna-reading-archive {
    padding: 90px 18px 110px;
  }

  .sienna-reading-inner {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .sienna-reading-stage {
    width: min(500px, 94vw);
  }

  .sienna-reading-copy {
    width: min(560px, 100%);
    margin-inline: auto;
  }

  .sienna-reading-copy h2 {
    font-size: 3.25rem;
  }

  .sienna-reading-index article {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reality-carousel-slide,
  .body-instrument-slide,
  .reality-carousel-arrow,
  .body-instrument-arrow,
  .reality-carousel-dot,
  .body-instrument-dot {
    transition-duration: .001ms;
  }

  .reality-carousel-perimeter,
  .body-instrument-audio.is-live i,
  .sienna-reading-sound[aria-pressed="true"] i {
    animation: none;
  }
}

/* Full-screen water wheel passage */
.spinning-water-threshold {
  position: relative;
  isolation: isolate;
  width: 100%;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  background: #000;
}

.spinning-water-threshold video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
  background: #000;
}

.normality-film {
  z-index: 1;
  transform: translateZ(0);
}

.water-curtain-title {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 24px;
  right: 24px;
  margin: 0;
  text-align: center;
  font: 600 54px/1.08 Georgia, serif;
  letter-spacing: 0;
  color: #fff;
  text-shadow: 0 2px 5px #000, 0 6px 22px #000;
  pointer-events: none;
  opacity: 0;
  transform: translateY(calc(-50% - 24px));
  transition: opacity 140ms, transform 200ms;
}

.is-water-visible .water-curtain-title {
  opacity: 1;
  transform: translateY(-50%);
  animation: water-question-arrives 580ms cubic-bezier(.16,1,.3,1) both;
}

.water-curtain-answer {
  position: absolute;
  z-index: 4;
  top: calc(50% + 58px);
  left: 50%;
  min-width: 164px;
  padding: 12px 20px;
  border: 1px solid rgba(255, 255, 255, .72);
  background: rgba(0, 0, 0, .52);
  color: #fff;
  font: 700 10px/1 Arial, sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 12px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .48);
  backdrop-filter: blur(8px);
  transition: opacity .2s ease, transform .3s ease, background .2s ease;
}

.is-water-visible .water-curtain-answer {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.water-curtain-answer:hover,
.water-curtain-answer:focus-visible {
  background: rgba(255, 255, 255, .16);
  outline: 1px solid rgba(104, 243, 238, .9);
  outline-offset: 4px;
}

.is-water-visible .water-curtain-answer:disabled {
  opacity: .38;
  pointer-events: none;
}

@keyframes water-question-arrives {
  0% { opacity: 0; transform: translate(-80px, -50%) skewX(-9deg); }
  65% { opacity: 1; transform: translate(8px, -50%) skewX(2deg); }
  100% { opacity: 1; transform: translate(0, -50%) skewX(0); }
}

@media (max-width: 700px) {
  .water-curtain-title { font-size: 36px; left: 16px; right: 16px; }
  .water-curtain-answer { top: calc(50% + 50px); }
}

@media (max-width: 380px) {
  .water-curtain-title { font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  .is-water-visible .water-curtain-title { animation: none; }
  .water-curtain-title { transition: none; }
}

.spinning-water-loop {
  z-index: 2;
  transform: translateY(0);
  box-shadow: 0 24px 60px rgba(0,0,0,.72);
  transition: transform 1.55s cubic-bezier(.72,.02,.2,1);
  will-change: transform;
}

.spinning-water-threshold.is-opening .spinning-water-loop,
.spinning-water-threshold.is-normality .spinning-water-loop {
  transform: translateY(-103%);
}

.spinning-water-threshold.is-returning .spinning-water-loop {
  transform: translateY(0);
}

/* Mutant cat intermission */
.monster-cat-corridor {
  position: relative;
  display: grid;
  width: 100%;
  height: clamp(170px, 22vw, 290px);
  place-items: center;
  overflow: hidden;
  background: #000;
  isolation: isolate;
}

.monster-cat-corridor::before,
.monster-cat-corridor::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 50%;
  width: 31%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(72, 228, 229, .62), rgba(245, 84, 180, .55), transparent);
  box-shadow: 0 0 20px rgba(72, 228, 229, .24);
  opacity: .7;
}

.monster-cat-corridor::before {
  left: 0;
}

.monster-cat-corridor::after {
  right: 0;
  transform: scaleX(-1);
}

.monster-cat-corridor video {
  position: relative;
  z-index: 1;
  display: block;
  width: min(760px, 68vw);
  height: 100%;
  object-fit: contain;
  filter: saturate(1.08) contrast(1.06);
}

.people-pulse-corridor {
  height: clamp(180px, 23vw, 310px);
  border-top: 1px solid rgba(221, 193, 121, .12);
  border-bottom: 1px solid rgba(79, 226, 218, .1);
}

.people-pulse-corridor::before,
.people-pulse-corridor::after {
  width: 27%;
  background: linear-gradient(90deg, transparent, rgba(218, 184, 110, .7), rgba(76, 225, 218, .62), transparent);
  box-shadow: 0 0 22px rgba(218, 184, 110, .18), 0 0 34px rgba(76, 225, 218, .12);
}

.people-pulse-corridor video {
  width: min(920px, 76vw);
  height: clamp(160px, calc(23vw - 18px), 292px) !important;
  max-height: none;
  filter: saturate(1.12) contrast(1.08) brightness(1.03);
}

.dog-wave-corridor {
  height: clamp(190px, 25vw, 330px);
  border-top: 1px solid rgba(210, 183, 111, .12);
  border-bottom: 1px solid rgba(66, 219, 222, .12);
}

.dog-wave-corridor::before,
.dog-wave-corridor::after {
  width: 24%;
  background: linear-gradient(90deg, transparent, rgba(221, 185, 111, .68), rgba(71, 229, 224, .7), transparent);
  box-shadow: 0 0 22px rgba(71, 229, 224, .23), 0 0 34px rgba(221, 185, 111, .12);
}

.dog-wave-corridor video {
  width: auto;
  height: clamp(178px, 23vw, 306px) !important;
  max-width: 90vw;
  max-height: none;
  object-fit: contain;
  filter: saturate(1.08) contrast(1.1) brightness(.96);
}

.honey-voice-corridor {
  height: clamp(220px, 32vw, 430px);
  border-top: 1px solid rgba(228, 187, 103, .16);
  border-bottom: 1px solid rgba(235, 151, 94, .14);
  background:
    radial-gradient(ellipse at 50% 50%, rgba(194, 117, 42, .09), transparent 46%),
    #000;
}

.honey-voice-corridor::before,
.honey-voice-corridor::after {
  width: 27%;
  background: linear-gradient(90deg, transparent, rgba(245, 205, 118, .72), rgba(191, 95, 56, .52), transparent);
  box-shadow: 0 0 24px rgba(245, 205, 118, .2);
}

.honey-voice-corridor video {
  position: absolute !important;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  max-width: none;
  max-height: none;
  object-fit: contain;
  object-position: center;
  filter: saturate(1.08) contrast(1.08) brightness(1.02);
}

/* Full-screen dimensional vocal threshold */
.dimensional-vocal-threshold {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  background: #000;
  isolation: isolate;
}

.dimensional-vocal-threshold video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.06) contrast(1.07);
}

.dimensional-vocal-threshold::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 120px rgba(0, 0, 0, .48);
}

/* One-third-screen sound and body intermissions */
.sound-body-corridor {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: clamp(250px, 34svh, 390px);
  overflow: hidden;
  background: #000;
  border-block: 1px solid rgba(99, 235, 229, .12);
  isolation: isolate;
}

.sound-body-corridor video {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: saturate(1.08) contrast(1.08);
}

.sound-body-corridor::before,
.sound-body-corridor::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 50%;
  width: 24%;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(91, 237, 231, .72), rgba(232, 188, 104, .46), transparent);
  box-shadow: 0 0 22px rgba(91, 237, 231, .2);
}

.sound-body-corridor::before { left: 0; }
.sound-body-corridor::after { right: 0; transform: scaleX(-1); }

.sound-body-corridor-arms {
  border-color: rgba(225, 184, 104, .13);
}

/* Vertical observer doorway */
.inner-eclipse {
  position: relative;
  display: grid;
  min-height: clamp(980px, 112vw, 1440px);
  padding: clamp(70px, 8vw, 120px) 20px clamp(80px, 8vw, 130px);
  place-items: start center;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(221, 226, 223, .12), transparent 28%),
    radial-gradient(ellipse at 16% 52%, rgba(166, 126, 68, .08), transparent 24%),
    radial-gradient(ellipse at 84% 52%, rgba(83, 157, 156, .08), transparent 24%),
    #000;
  isolation: isolate;
}

.inner-eclipse-heading {
  position: relative;
  z-index: 3;
  width: min(780px, 100%);
  margin-bottom: clamp(24px, 4vw, 50px);
  text-align: center;
}

.inner-eclipse-heading span {
  display: block;
  margin-bottom: 12px;
  color: #75d5d0;
  font-size: clamp(9px, .82vw, 12px);
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.inner-eclipse-heading h2 {
  margin: 0;
  color: #e9dfc8;
  font: 400 clamp(42px, 6vw, 84px)/.95 Georgia, "Times New Roman", serif;
  letter-spacing: 0;
  text-shadow: 0 4px 30px rgba(0, 0, 0, .72);
}

.inner-eclipse-stage {
  position: relative;
  z-index: 2;
  width: min(590px, 88vw);
  aspect-ratio: 768 / 1365;
  margin: 0;
  filter: drop-shadow(0 34px 58px rgba(0, 0, 0, .8));
}

.inner-eclipse-video {
  position: absolute;
  z-index: 0;
  top: 20.2%;
  left: 22.2%;
  width: 55.6%;
  height: 55.8%;
  display: block;
  object-fit: cover;
  background: #050606;
  filter: saturate(.92) contrast(1.06);
}

.inner-eclipse-glass {
  position: absolute;
  z-index: 1;
  top: 20.2%;
  right: 22.2%;
  bottom: 24%;
  left: 22.2%;
  pointer-events: none;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, .16), transparent 18% 72%, rgba(255, 255, 255, .07)),
    radial-gradient(circle at 50% 45%, transparent 45%, rgba(0, 0, 0, .18));
  box-shadow: inset 0 0 40px rgba(0, 0, 0, .38);
}

.inner-eclipse-frame {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.inner-eclipse-caption {
  position: relative;
  z-index: 3;
  margin: clamp(20px, 3vw, 34px) 0 0;
  color: rgba(230, 221, 201, .72);
  font: italic 400 clamp(15px, 1.5vw, 21px)/1.35 Georgia, "Times New Roman", serif;
  letter-spacing: 0;
  text-align: center;
}

.inner-eclipse-frequency {
  position: absolute;
  z-index: 1;
  top: 28%;
  bottom: 16%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(102, 219, 216, .5), rgba(202, 164, 93, .42), transparent);
  box-shadow: 0 0 18px rgba(102, 219, 216, .22);
  opacity: .75;
}

.inner-eclipse-frequency::after {
  content: "";
  position: absolute;
  top: 0;
  left: -4px;
  width: 9px;
  height: 80px;
  background: linear-gradient(180deg, transparent, rgba(229, 199, 134, .75), transparent);
  filter: blur(1px);
  animation: innerEclipseSignal 5.4s linear infinite;
}

.inner-eclipse-frequency-left {
  left: 13%;
}

.inner-eclipse-frequency-right {
  right: 13%;
}

.inner-eclipse-frequency-right::after {
  animation-delay: -2.7s;
}

@keyframes innerEclipseSignal {
  to { translate: 0 calc(70vh - 80px); }
}

@media (max-width: 700px) {
  .spinning-water-threshold {
    min-height: 100svh;
  }

  .dimensional-vocal-threshold {
    min-height: 0;
    height: 100svh;
  }

  .dimensional-vocal-threshold video {
    object-fit: contain;
  }

  .sound-body-corridor {
    height: 33svh;
    min-height: 220px;
  }

  .sound-body-corridor::before,
  .sound-body-corridor::after {
    display: none;
  }

  .monster-cat-corridor {
    height: 156px;
  }

  .monster-cat-corridor video {
    width: min(360px, 92vw);
  }

  .dog-wave-corridor video {
    width: auto;
    height: 144px !important;
    max-width: 96vw;
  }

  .honey-voice-corridor {
    height: min(56.25vw, 240px);
  }

  .honey-voice-corridor video {
    width: 100% !important;
    height: 100% !important;
    max-width: none;
    max-height: none;
  }

  .people-pulse-corridor video {
    width: min(360px, 94vw);
    height: 148px !important;
    max-height: none;
  }

  .monster-cat-corridor::before,
  .monster-cat-corridor::after {
    display: none;
  }

  .inner-eclipse {
    min-height: 920px;
    padding: 120px 12px 84px;
  }

  .inner-eclipse-stage {
    width: min(520px, 100%);
  }

  .inner-eclipse-frequency-left {
    left: 4%;
  }

  .inner-eclipse-frequency-right {
    right: 4%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .normality-film,
  .spinning-water-loop {
    transition-duration: .01ms;
  }

  .inner-eclipse-frequency::after {
    animation: none;
  }
}