Anime Expand Card

<div class="aec-card" id="aec-card">
  <h3 class="aec-title">Expand</h3>
  <p class="aec-detail" id="aec-detail">This content reveals when you click the card. Click again to collapse.</p>
</div>

.aec-card {
  width: 240px;
  padding: 24px;
  background: #1e293b;
  border-radius: 16px;
  color: #e2e8f0;
  cursor: pointer;
  overflow: hidden;
}
.aec-title {
  margin: 0;
  font-size: 18px;
}
.aec-detail {
  margin: 12px 0 0;
  font-size: 13px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  line-height: 1.6;
}

const card = document.getElementById('aec-card');
const detail = document.getElementById('aec-detail');
let expanded = false;
card.addEventListener('click', function() {
  expanded = !expanded;
  anime({
    targets: detail,
    maxHeight: expanded ? [0, 80] : [80, 0],
    opacity: expanded ? [0, 1] : [1, 0],
    duration: 500,
    easing: 'easeOutCubic'
  });
  anime({
    targets: card,
    scale: expanded ? [1, 1.03, 1] : 1,
    duration: 400,
    easing: 'easeOutElastic(1, 0.6)'
  });
});