@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomSoft {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

/* scroll-reveal: JS toggles .is-visible via IntersectionObserver */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-l) var(--ease-premium), transform var(--dur-l) var(--ease-premium);
}

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

[data-reveal="fade"] { transform: none; }

[data-reveal].is-visible[data-reveal-delay="1"] { transition-delay: 90ms; }
[data-reveal].is-visible[data-reveal-delay="2"] { transition-delay: 180ms; }
[data-reveal].is-visible[data-reveal-delay="3"] { transition-delay: 270ms; }
[data-reveal].is-visible[data-reveal-delay="4"] { transition-delay: 360ms; }

.float-card {
  animation: floatY 6s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .float-card {
    animation: none;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}