/*
  Animations
  Keyframes + scroll-reveal utility. Kept subtle and purposeful:
  a soft entrance for the hero, a gentle float on the hero visual,
  and a scroll-triggered fade/rise for section content.
*/

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* Scroll reveal: elements start slightly lowered + transparent,
   then settle into place once .is-visible is toggled by the
   IntersectionObserver in scripts/reveal.js */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slower) var(--ease-out),
              transform var(--dur-slower) var(--ease-out);
}

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

@media (prefers-reduced-motion: reduce) {
  .hero__frame { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}