/* Core Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }

/* Nature Ambient Effects */
@keyframes float {
  0% { transform: translateY(0px) translateX(0px); }
  50% { transform: translateY(-15px) translateX(10px); }
  100% { transform: translateY(0px) translateX(0px); }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 10px 40px rgba(0,0,0,0.6), 0 0 15px rgba(34, 197, 94, 0.1); }
  50% { box-shadow: 0 10px 40px rgba(0,0,0,0.6), 0 0 25px rgba(34, 197, 94, 0.3); }
  100% { box-shadow: 0 10px 40px rgba(0,0,0,0.6), 0 0 15px rgba(34, 197, 94, 0.1); }
}

.ambient-glow {
  animation: pulse-glow 6s infinite ease-in-out;
}

/* Particle System */
.particle {
  position: absolute;
  background: var(--accent-highlight);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  filter: blur(1px);
  animation: particle-rise 8s infinite linear;
}

@keyframes particle-rise {
  0% {
    opacity: 0;
    transform: translateY(100px) scale(0.5);
  }
  20% {
    opacity: 0.6;
  }
  80% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(-200px) scale(1.5);
  }
}