.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--glow-color); }
  50% { box-shadow: 0 0 40px var(--glow-color); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-animated {
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}