/* =========================================================
   ANIMACIONES
   ========================================================= */

.reveal-item {
  opacity: 0;
  transform: translateY(16px);
  animation: welcomeReveal 900ms var(--transition) forwards;
}

.reveal-item:nth-child(1) { animation-delay: 200ms; }
.reveal-item:nth-child(2) { animation-delay: 450ms; }
.reveal-item:nth-child(3) { animation-delay: 750ms; }
.reveal-item:nth-child(4) { animation-delay: 1000ms; }

@keyframes welcomeReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.envelope {
  animation: envelopeFloat 5s ease-in-out infinite;
}

@keyframes envelopeFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-7px) rotate(.35deg); }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms var(--transition), transform 900ms var(--transition);
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}