.scroll-stack-scroller {
  position: relative;
  width: 100%;
  height: 100vh; /* Full viewport height */
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.scroll-stack-inner {
  padding: 20vh 5% 50vh;
  min-height: 100vh;
}

.scroll-stack-card {
  transform-origin: top center;
  will-change: transform, filter;
  backface-visibility: hidden;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
  height: 20rem;
  width: 100%;
  margin: 30px 0;
  padding: 3rem;
  border-radius: 30px;
  box-sizing: border-box;
  background: #fff;
}

.scroll-stack-card h2 {
  margin-bottom: 10px;
  font-size: 1.5rem;
  color: #222;
}

.scroll-stack-card p {
  font-size: 1rem;
  color: #555;
}

.scroll-stack-end {
  width: 100%;
  height: 1px;
}