.site-header.is-scrolled {
  border-bottom-color: rgb(58 8 53 / 10%);
  box-shadow: var(--shadow-header);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.hero {
  opacity: 0;
  transform: translateY(1rem);
  animation: hero-enter 0.7s ease forwards;
}

.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@keyframes hero-enter {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero,
  .reveal,
  .site-header.is-scrolled {
    animation: none;
    transition: none;
    opacity: 1;
    transform: none;
  }
}