/* ============================================================
   Ventus Base — reveal animations
   IntersectionObserver toggles .is-visible (see js/reveal.js).
   Stagger handled by --reveal-delay set inline by reveal.js.
   ============================================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Children of a [data-reveal-group] are revealed individually with a
   stagger; reveal.js tags each child and assigns its --reveal-delay. */
[data-reveal-group] > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal-group] > .is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal-group] > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}