/* ============================================================
   MÉTODO ACA — Animações
   Keyframes + sistema de reveal on scroll.
   ============================================================ */

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes spin-slow {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes flow-pulse {
  0% { left: 0; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { left: calc(100% - 6px); opacity: 0; }
}

@keyframes typing-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(-4px); opacity: 1; }
}

/* ---- Reveal on scroll (ativado via JS + IntersectionObserver) ---- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal--fade {
  transform: none;
}

.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger declarativo: filhos de [data-stagger] recebem delay via JS */

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .flow__link::after,
  .hero__ring,
  .cta-final__ring,
  .float-chip {
    animation: none;
  }
}