/* CTA Pulse */
@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(218, 165, 32, 0.3); }
  50% { box-shadow: 0 4px 40px rgba(218, 165, 32, 0.55); }
}

.btn--pulse {
  animation: ctaPulse 3s ease-in-out infinite;
}

.btn--pulse:hover {
  animation-play-state: paused;
}

/* Play button pulse */
@keyframes playPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

/* Stagger delay for cards */
.reveal .benefit-card:nth-child(1),
.reveal .testimonial-card:nth-child(1),
.reveal .phase-card:nth-child(1),
.reveal .module-card:nth-child(1) { transition-delay: 0ms; }

.reveal .benefit-card:nth-child(2),
.reveal .testimonial-card:nth-child(2),
.reveal .phase-card:nth-child(2),
.reveal .module-card:nth-child(2) { transition-delay: 100ms; }

.reveal .benefit-card:nth-child(3),
.reveal .testimonial-card:nth-child(3),
.reveal .phase-card:nth-child(3),
.reveal .module-card:nth-child(3) { transition-delay: 200ms; }

.reveal .benefit-card:nth-child(4),
.reveal .testimonial-card:nth-child(4),
.reveal .phase-card:nth-child(4),
.reveal .module-card:nth-child(4) { transition-delay: 300ms; }

.reveal .benefit-card:nth-child(5),
.reveal .testimonial-card:nth-child(5),
.reveal .phase-card:nth-child(5),
.reveal .module-card:nth-child(5) { transition-delay: 400ms; }

.reveal .benefit-card:nth-child(6),
.reveal .testimonial-card:nth-child(6),
.reveal .phase-card:nth-child(6),
.reveal .module-card:nth-child(6) { transition-delay: 500ms; }

/* Module card hover 3D */
.module-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.module-card:hover {
  transform: translateY(-6px) rotateX(2deg) rotateY(-2deg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
}

/* Tags wave */
.audience__tag,
.topic-tag {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.visible .audience__tag,
.reveal.visible .topic-tag {
  opacity: 1;
  transform: translateY(0);
}

/* Growth chart line draw */
.growth-line {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  transition: stroke-dashoffset 2s ease-in-out;
}

.growth-area {
  opacity: 0;
  transition: opacity 1.5s ease-in-out 0.5s;
}

.growth-svg.animated .growth-line {
  stroke-dashoffset: 0;
}

.growth-svg.animated .growth-area {
  opacity: 1;
}

.growth-svg circle {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.growth-svg.animated circle {
  opacity: 1;
}

.growth-svg.animated circle:nth-of-type(1) { transition-delay: 0.3s; }
.growth-svg.animated circle:nth-of-type(2) { transition-delay: 0.6s; }
.growth-svg.animated circle:nth-of-type(3) { transition-delay: 0.9s; }
.growth-svg.animated circle:nth-of-type(4) { transition-delay: 1.2s; }
.growth-svg.animated circle:nth-of-type(5) { transition-delay: 1.5s; }
.growth-svg.animated circle:nth-of-type(6) { transition-delay: 1.8s; }