:root {
  --row-side-offset: min(28vw, 320px);
  --card-width: min(24svh, 220px, 34vw);
  --row-height: 33.333svh;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, #191919 0, #070707 58%, #000 100%);
  color: #fff;
}

button {
  font: inherit;
}

img {
  display: block;
}

.show,
.stage,
.gallery-board {
  width: 100vw;
  height: 100svh;
}

.stage {
  display: grid;
  place-items: center;
  overflow: hidden;
}

.gallery-board {
  position: relative;
  display: grid;
  grid-template-rows: repeat(3, var(--row-height));
  filter: blur(18px) brightness(0.42) saturate(0.75);
  opacity: 0.74;
  pointer-events: none;
  transform: scale(1.08);
  transition:
    filter 900ms ease,
    opacity 900ms ease,
    transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
}

body.is-revealed .gallery-board {
  filter: none;
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.carousel-row {
  position: relative;
  min-width: 100vw;
  perspective: 1200px;
  transform-style: preserve-3d;
}

.row-one {
  transform: translateX(-5vw);
}

.row-two {
  transform: translateX(4vw);
}

.row-three {
  transform: translateX(-2vw);
}

.carousel-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--card-width);
  aspect-ratio: 9 / 16;
  margin: 0;
  overflow: hidden;
  border-radius: clamp(12px, 2vw, 24px);
  opacity: 0;
  transform: translate(-50%, -50%) translateZ(-240px) scale(0.58);
  transform-style: preserve-3d;
  filter: brightness(0.52) saturate(0.8);
  transition:
    opacity 520ms ease,
    filter 760ms ease,
    transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity, filter;
}

.carousel-card::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.12),
    inset 0 -84px 84px rgba(0, 0, 0, 0.14);
}

.carousel-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-card.is-center {
  z-index: 4;
  opacity: 1;
  transform: translate(-50%, -50%) translateZ(130px) scale(1);
  filter: brightness(1) saturate(1.04) contrast(1.03);
}

.carousel-card.is-left {
  z-index: 2;
  opacity: 0.82;
  transform:
    translate(calc(-50% - var(--row-side-offset)), -50%)
    rotateY(22deg)
    rotateZ(-2.5deg)
    scale(0.7);
}

.carousel-card.is-right {
  z-index: 2;
  opacity: 0.82;
  transform:
    translate(calc(-50% + var(--row-side-offset)), -50%)
    rotateY(-22deg)
    rotateZ(2.5deg)
    scale(0.7);
}

.row-two .carousel-card.is-center {
  transform: translate(-50%, -50%) translateZ(170px) scale(1.08);
}

.row-two .carousel-card.is-left {
  transform:
    translate(calc(-50% - var(--row-side-offset)), -50%)
    rotateY(24deg)
    rotateZ(-2deg)
    scale(0.76);
}

.row-two .carousel-card.is-right {
  transform:
    translate(calc(-50% + var(--row-side-offset)), -50%)
    rotateY(-24deg)
    rotateZ(2deg)
    scale(0.76);
}

.tap-controls {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.nav-hit {
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.music-player {
  position: fixed;
  right: 0;
  bottom: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.reveal-layer {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.34);
  transition:
    opacity 420ms ease,
    visibility 420ms ease;
}

body.is-revealed .reveal-layer {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.reveal-button {
  min-width: min(360px, calc(100vw - 48px));
  min-height: 64px;
  padding: 18px 28px;
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #050505;
  cursor: pointer;
  font-family: "Avenir Next", Verdana, sans-serif;
  font-size: clamp(1rem, 3vw, 1.28rem);
  font-weight: 900;
  letter-spacing: 0;
  box-shadow:
    0 22px 90px rgba(0, 0, 0, 0.5),
    0 0 0 10px rgba(255, 255, 255, 0.08);
  transition:
    transform 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.reveal-button:hover,
.reveal-button:focus-visible {
  background: #fff;
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 28px 110px rgba(0, 0, 0, 0.62),
    0 0 0 12px rgba(255, 255, 255, 0.12);
}

@media (max-width: 720px) {
  :root {
    --row-side-offset: min(36vw, 150px);
    --card-width: min(22svh, 35vw);
  }

  .row-one,
  .row-two,
  .row-three {
    transform: none;
  }

  .carousel-card.is-left {
    transform:
      translate(calc(-50% - var(--row-side-offset)), -50%)
      rotateY(16deg)
      rotateZ(-1.5deg)
      scale(0.68);
  }

  .carousel-card.is-right {
    transform:
      translate(calc(-50% + var(--row-side-offset)), -50%)
      rotateY(-16deg)
      rotateZ(1.5deg)
      scale(0.68);
  }
}

@media (prefers-reduced-motion: reduce) {
  .carousel-card,
  .gallery-board {
    transition-duration: 0.01ms;
  }
}