[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-standard), transform var(--dur-slow) var(--ease-standard);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="1"] {
  transition-delay: 90ms;
}

[data-reveal-delay="2"] {
  transition-delay: 180ms;
}

[data-reveal-delay="3"] {
  transition-delay: 270ms;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* HTMX boosted page-transition fade: htmx toggles these classes on #main-content
   around a boosted swap (see hx-swap="innerHTML swap:150ms settle:150ms" on .page-shell). */
#main-content {
  transition: opacity 150ms var(--ease-standard);
}

#main-content.htmx-swapping {
  opacity: 0;
}

#main-content.htmx-settling {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  #main-content {
    transition: none;
  }
}