/* ============================================
   SYNAPSE CIRCUITS - Animations
   ============================================ */

/* ── Keyframes ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(40, 212, 232, 0.4);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(40, 212, 232, 0);
  }
}

@keyframes nodePulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

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

@keyframes lineGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-children .reveal:nth-child(2) { transition-delay: 100ms; }
.stagger-children .reveal:nth-child(3) { transition-delay: 200ms; }
.stagger-children .reveal:nth-child(4) { transition-delay: 300ms; }
.stagger-children .reveal:nth-child(5) { transition-delay: 400ms; }
.stagger-children .reveal:nth-child(6) { transition-delay: 500ms; }
.stagger-children .reveal:nth-child(7) { transition-delay: 600ms; }
.stagger-children .reveal:nth-child(8) { transition-delay: 700ms; }

/* ── Hero animation ── */
.hero-content {
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.3s;
  opacity: 0;
}

.hero-badge {
  animation: fadeInDown 0.6s ease forwards;
  animation-delay: 0.1s;
  opacity: 0;
}

/* ── Accent line animation ── */
.accent-line {
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transform-origin: left;
}

.accent-line.visible {
  animation: lineGrow 0.6s ease forwards;
}

/* ── Button shimmer ── */
.btn-primary {
  background-size: 200% auto;
}

.btn-primary:hover {
  background-position: right center;
}

/* ── Card hover effects ── */
.card,
.pricing-card {
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

/* ── Node pulse effect ── */
.node-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* ── Process step animation ── */
.process-step .process-step-number {
  transition: all var(--transition-base);
}

.process-step:hover .process-step-number {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

/* ── Gradient text shimmer ── */
.text-gradient-animated {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-cyan), var(--color-accent-blue), var(--color-accent-cyan), var(--color-primary));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
}

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

  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1;
    transform: none;
  }
}