.reveal {
  animation: revealUp 0.8s ease both;
}

.reveal:nth-child(2) { animation-delay: 0.12s; }
.reveal:nth-child(3) { animation-delay: 0.24s; }
.reveal:nth-child(4) { animation-delay: 0.36s; }

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

.shape-1 { animation: floatY 9s ease-in-out infinite; }
.shape-2 { animation: floatY 12s ease-in-out infinite reverse; }
.shape-3 { animation: floatY 10s ease-in-out infinite; }

.scroll-indicator {
  animation: bounceY 1.8s ease-in-out infinite;
}

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

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

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