/* Scroll-reveal: JS toggles .is-visible via IntersectionObserver, see js/animations.js */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

.reveal-stagger > * {
  transition-delay: calc(var(--stagger-index, 0) * 80ms);
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

.hero-visual {
  animation: float 6s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero-visual,
  .btn,
  .card {
    animation: none !important;
    transition: none !important;
  }
}