/* The campaign artwork opens into the physical room before the billboard sequence. */
.portal-story {
  position: relative;
  margin-block: 32px 0;
  background: #fff;
}
.portal-stage {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 53% 52%, #304673 0%, #1c2c50 46%, #101b37 90%);
}
.portal-fallback {
  margin: 0;
  position: relative;
}
.portal-fallback img {
  width: 100%;
  height: auto;
  display: block;
}
.portal-canvas {
  position: absolute;
  inset: 0;
  opacity: 0;
}
.portal-canvas canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.portal-enhanced {
  height: 440svh;
  min-height: 2300px;
}
.portal-enhanced .portal-stage {
  height: calc(100svh - var(--header));
  position: sticky;
  top: var(--header);
}
.portal-enhanced .portal-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.portal-enhanced .portal-fallback img {
  max-height: 100%;
  object-fit: contain;
}
.portal-ready .portal-canvas {
  opacity: 1;
}
.portal-ready .portal-fallback {
  visibility: hidden;
}
.portal-white {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  z-index: 3;
}
.portal-hint {
  display: none;
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 4;
  color: #fff;
  font:
    9px/1.5 Mono,
    monospace;
  letter-spacing: 0.13em;
  white-space: nowrap;
  text-transform: uppercase;
}
.portal-enhanced .portal-hint {
  display: block;
}
.portal-hint span {
  padding-left: 15px;
}
.portal-skip {
  position: absolute;
  right: var(--gutter);
  top: 18px;
  padding: 10px;
  color: #fff;
  z-index: 5;
  font:
    10px Mono,
    monospace;
  opacity: 0;
  pointer-events: none;
}
.portal-skip:focus-visible {
  opacity: 1;
  pointer-events: auto;
  background: #172b4e;
  outline: 2px solid white;
}
.portal-story + .billboard-story {
  margin-top: 0;
}
.portal-story + .billboard-story .billboard-stage {
  background: #fff;
}
.portal-description {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 700px) {
  .portal-enhanced {
    height: 420svh;
    min-height: 2100px;
  }
  .portal-hint {
    bottom: 12px;
    font-size: 8px;
  }
  .portal-story {
    margin-top: 24px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .portal-enhanced {
    height: auto;
    min-height: 0;
  }
  .portal-enhanced .portal-stage {
    height: auto;
    position: relative;
    top: 0;
  }
  .portal-enhanced .portal-fallback {
    position: relative;
  }
  .portal-ready .portal-fallback {
    visibility: visible;
  }
  .portal-ready .portal-canvas,
  .portal-enhanced .portal-hint,
  .portal-white {
    display: none;
  }
}
