.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--dur-long) var(--ease-out),
    transform var(--dur-long) var(--ease-out);
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in--delay-1 {
  transition-delay: 100ms;
}

.fade-in--delay-2 {
  transition-delay: 200ms;
}

.fade-in--delay-3 {
  transition-delay: 300ms;
}

.fade-in--delay-4 {
  transition-delay: 400ms;
}

.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--dur-long) var(--ease-out),
    transform var(--dur-long) var(--ease-out);
}

.stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; }
.stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.stagger.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.stagger.is-visible > *:nth-child(6) { transition-delay: 400ms; }

.stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition:
    opacity var(--dur-long) var(--ease-out),
    transform var(--dur-long) var(--ease-out);
}

.scale-in--visible {
  opacity: 1;
  transform: scale(1);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.float {
  animation: float 4s var(--ease-in-out) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .stagger > *,
  .scale-in,
  .float {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }
}