:root{
  --gallery-bg: #101014;
  --gallery-surface: #181922;
  --gallery-blue: #005EA2;
  --gallery-yellow: #FFB016;
  --gallery-text: #fff8ec;
  --gallery-muted: #f6c777;
}

html{
  min-height: 100%;
}

body{
  position: relative;
  margin: 0;
  min-height: 100vh;
  background: #060212;
  color: var(--gallery-text);
  overflow-x: hidden;
}

#backgroundCanvas,
#starsCanvas,
#milkyWayCanvas{
  top: 0;
  left: 0;
  position: fixed;
  width: 100%;
  height: 100%;
  object-fit: contain;
  overflow: hidden;
  pointer-events: none;
}

#backgroundCanvas{
  z-index: 0;
  background: radial-gradient(circle at 52% 46%, #100826 0%, #060212 66%, #030108 100%);
}

#milkyWayCanvas{
  z-index: 1;
  background-color: transparent;
  filter: blur(0px);
}

#starsCanvas{
  z-index: 2;
  background-color: transparent;
}

.gallery-page{
  position: relative;
  z-index: 3;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
  width: min(1180px, 94vw);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 48px) 0 clamp(28px, 5vw, 56px);
}

.gallery-hero{
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
  margin-top: clamp(76px, 10vh, 120px);
}

.gallery-hero h1{
  margin: 0;
  color: var(--gallery-text);
  font-family: 'Yatra One', cursive;
  font-size: clamp(3.2rem, 8vw, 6.4rem);
  line-height: .95;
}

.gallery-subtitle{
  margin: 10px 0 0;
  color: rgba(255, 248, 236, .76);
  font-size: clamp(.95rem, 1.4vw, 1.15rem);
  line-height: 1.45;
}

.scene,
.a3d{
  display: grid;
}

.scene{
  overflow: hidden;
  min-height: min(860px, 82vh);
  margin-top: -70px;
  perspective: 35em;
  mask: linear-gradient(90deg, #0000, #000 20% 80%, #0000);
  -webkit-mask: linear-gradient(90deg, #0000, #000 20% 80%, #0000);
}

.a3d{
  place-self: center;
  transform-style: preserve-3d;
  animation: gallery-ry 56s linear infinite;
}

@keyframes gallery-ry{
  to{
    rotate: y 1turn;
  }
}

.card{
  --w: clamp(16rem, 31vw, 26rem);
  --ba: 1turn / var(--n);
  --card-scale: 1;
  grid-area: 1 / 1;
  display: block;
  width: var(--w);
  aspect-ratio: 7 / 10;
  object-fit: cover;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: transparent;
  backface-visibility: hidden;
  box-shadow: 0 26px 62px rgba(0,0,0,.48);
  cursor: zoom-in;
  pointer-events: auto;
  transition: transform .22s ease, filter .22s ease;
  transform:
    rotateY(calc(var(--i) * var(--ba)))
    translateZ(calc(-1 * (.5 * var(--w) + .5em) / tan(.5 * var(--ba))))
    scale(var(--card-scale));
}

.card:hover{
  --card-scale: 1.055;
  filter: brightness(1.08);
}

.gallery-lightbox{
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 48px);
  background: rgba(5, 6, 10, .86);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.gallery-lightbox.is-open{
  opacity: 1;
  pointer-events: auto;
}

.gallery-lightbox__image{
  display: block;
  max-width: min(88vw, 980px);
  max-height: 86vh;
  object-fit: contain;
  border: 0;
  outline: 0;
  background: transparent;
  box-shadow: 0 28px 80px rgba(0, 0, 0, .62);
  transform: scale(.92);
  transition: transform .28s ease;
}

.gallery-lightbox.is-open .gallery-lightbox__image{
  transform: scale(1);
}

.gallery-lightbox__close{
  position: fixed;
  top: clamp(18px, 3vw, 34px);
  right: clamp(18px, 3vw, 34px);
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 248, 236, .92);
  color: #101014;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 16px 38px rgba(0, 0, 0, .28);
}

@media (prefers-reduced-motion: reduce){
  .a3d{
    animation-duration: 128s;
  }
}

@media (max-width: 700px){
  .gallery-hero{
    grid-template-columns: 1fr;
  }

  .gallery-intro{
    grid-column: auto;
  }

  .scene{
    min-height: 560px;
    perspective: 28em;
  }
}