.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

.reveal-up.delay-1 { transition-delay: 90ms; }
.reveal-up.delay-2 { transition-delay: 180ms; }
.reveal-up.delay-3 { transition-delay: 270ms; }
.reveal-up.delay-4 { transition-delay: 360ms; }
.reveal-up.delay-5 { transition-delay: 450ms; }
.reveal-up.delay-6 { transition-delay: 540ms; }

/* Cards de serviço: entrada em cascata, um a um, com 0.2s entre cada. */
.reveal-up.svc-delay-1 { transition-delay: 0ms; }
.reveal-up.svc-delay-2 { transition-delay: 200ms; }
.reveal-up.svc-delay-3 { transition-delay: 400ms; }
.reveal-up.svc-delay-4 { transition-delay: 600ms; }
.reveal-up.svc-delay-5 { transition-delay: 800ms; }
.reveal-up.svc-delay-6 { transition-delay: 1000ms; }

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