/* Scroll-reveal: fade + rise as sections enter the viewport */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(.16,.84,.44,1), transform 0.8s cubic-bezier(.16,.84,.44,1);
  transition-delay: calc(var(--r-i, 0) * 90ms);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}