/* Keyframes */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 30px rgba(0, 212, 170, 0.1);
  }
  50% {
    box-shadow: 0 0 50px rgba(0, 212, 170, 0.2);
  }
}

/* Hero animations */
.hero-text {
  animation: fadeInLeft 0.8s ease-out both;
}

.hero-terminal {
  animation: fadeInRight 0.8s ease-out 0.3s both;
}

/* Scroll reveal classes */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  transition-delay: calc(var(--stagger, 0) * 100ms);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Architecture node sequential reveal */
.arch-node {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  transition-delay: calc(var(--stagger, 0) * 150ms);
}

.arch-node.visible {
  opacity: 1;
  transform: translateY(0);
}

/* LED pulse on reveal */
.led-circle {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  transition-delay: calc(var(--stagger, 0) * 120ms);
}

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

.led-circle.visible::after {
  animation: led-pulse 2s ease-in-out infinite;
  animation-delay: calc(var(--stagger, 0) * 120ms);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .arch-node,
  .led-circle {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-text,
  .hero-terminal {
    animation: none;
    opacity: 1;
  }
}