/* Scroll reveal — elementos começam invisíveis */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Stagger para grupos de elementos (hero, cards) */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* WhatsApp pulse */
@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35); }
  50% { box-shadow: 0 4px 28px rgba(37, 211, 102, 0.6); }
}

.whatsapp-float {
  animation: pulse-whatsapp 2.5s ease-in-out infinite;
}

/* Hero heading animação de entrada */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__eyebrow  { animation: fade-up 0.5s ease forwards; }
.hero__heading  { animation: fade-up 0.5s 0.15s ease both; }
.hero__subtitle { animation: fade-up 0.5s 0.3s ease both; }
.hero__ctas     { animation: fade-up 0.5s 0.45s ease both; }

/* Hover nos cards */
.card {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}