/* Only elements we mark will animate; Bootstrap styles remain untouched */
.fx-fadeup {
  /* no layout styles here on purpose */
  will-change: opacity, transform;
}

/* initial (hidden) state applied by JS, not by default */
.fx-fadeup.is-anim {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease-out, transform .55s ease-out;
}

/* visible state when scrolled into view */
.fx-fadeup.is-anim.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fx-fadeup.is-anim {
    opacity: 1;
    transform: none;
    transition: none;
  }
}