.calm-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.calm-reveal {
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.is-armed .calm-reveal {
  opacity: 0;
  transform: translateY(30px);
}
.is-armed .calm-reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 767px) {
  main > section {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  main > .calm-front,
  main > .calm-small-print {
    min-height: 0;
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .calm-reveal,
  .is-armed .calm-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .calm-fibre-card,
  .calm-mail-card,
  .calm-button {
    transition: none;
  }
}