/* Scroll reveal base */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.4s; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Floating WhatsApp pulse */
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3); }
  50% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.5); }
}

.floating-whatsapp {
  animation: pulse 2s ease-in-out infinite;
}