.hero::before,
.about-hero::before,
.site-bg-reveal::before {
  opacity: 0 !important;
  transition: opacity 1.15s ease !important;
}

.hero.site-bg-visible::before,
.about-hero.site-bg-visible::before,
.site-bg-reveal.site-bg-visible::before { opacity: 1 !important; }

.site-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity .7s cubic-bezier(.22,.61,.36,1),
    transform .7s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.site-reveal.site-reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .hero::before, .about-hero::before, .site-bg-reveal::before { opacity: 1 !important; transition: none !important; }
  .site-reveal { opacity: 1; transform: none; transition: none; }
}