/* Estado inicial */
.fade-up-on-scroll,
.fade-in-left,
.fade-in-right,

/* fade-up activo */
.fade-up-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .8s ease, transform .8s ease;
}

/* fade-left / fade-right */
.fade-in-left {
  transform: translateX(-40px);
}
.fade-in-right {
  transform: translateX(40px);
}
.fade-in-left.active,
.fade-in-right.active {
  opacity: 1;
  transform: translateX(0);
  transition: opacity .8s ease, transform .8s ease;
}
/* Estado inicial para zoom + fade-up */
/* Estado inicial */
.fade-up-on-scroll {
  opacity: 0;
  transform: translateY(25px) scale(0.85);
  transition: opacity .8s ease-out, transform .8s cubic-bezier(.16,.84,.44,1);
}

/* Estado visible (con scroll) */
.fade-up-on-scroll.fade-up-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}