.reveal {
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 1s ease, transform 1s ease;
}

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

/* Delay opcional para efeito cascata */
.reveal-delay-1 { transition-delay: 0.2s; }
.reveal-delay-2 { transition-delay: 0.4s; }
.reveal-delay-3 { transition-delay: 0.6s; }