[split-btn-animation-text] {
  display: inline-block;
  transition: opacity 1.2s ease; /* 👈 must match fadeDuration */
}

.word {
  opacity: 0;
  display: inline-block;
  transition: all 0.4s ease;
}

.word.is-visible {
  opacity: 1;
}

[split-btn-animation-text].fade-out {
  opacity: 0;
}