.scroll-arrow {
  animation: pulse 1.5s infinite ease-in-out;
  transform-origin: center;
}

@keyframes pulse {
  0% { transform: translateY(0) scale(1); opacity: 1; }
  50% { transform: translateY(5px) scale(1.05); opacity: 0.7; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}