/* Reference artwork and its liquid-silver animation; chapter 05 only. */
.field-contact-background {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s;
}

.field-contact-background > img,
.field-contact-flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.field-contact-background > img {
  object-fit: cover;
  object-position: center;
}

.field-contact-flow {
  display: block;
  opacity: 0;
  transition: opacity .6s;
}

.field-contact-background.is-flowing .field-contact-flow { opacity: 1; }
body[data-view="4"] .field-contact-background { opacity: 1; }

@media (max-width: 600px) {
  .field-contact-background > img { object-position: 62% center; }
}

@media (prefers-reduced-motion: reduce) {
  .field-contact-background { transition: none; }
  .field-contact-flow { display: none; }
}