src/components/ScrollStack.css

.scroll-stack-scroller {
  position: relative;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: visible;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: scroll-position;
}

.scroll-stack-inner {
  padding: 0;
  min-height: 100vh;
}

.scroll-stack-card-wrapper {
  position: relative;
}

.scroll-stack-card {
  transform-origin: top center;
  will-change: transform;
  backface-visibility: hidden;
  transform-style: flat;
  box-shadow: none;
  min-height: 100vh;
  width: 100%;
  margin: 0;
  padding: 0;
  border-radius: 0;
  box-sizing: border-box;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  position: relative;
  overflow: hidden;
  contain: layout style paint;
  isolation: isolate;
}

.scroll-stack-end {
  width: 100%;
  height: 200px;
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .scroll-stack-scroller {
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: y proximity;
  }
  
  .scroll-stack-card {
    will-change: auto;
    transform-style: flat;
    box-shadow: none;
    scroll-snap-align: start;
  }
  
  .scroll-stack-end {
    height: 100px;
  }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
  .scroll-stack-card {
    box-shadow: none;
  }
  
  .scroll-stack-end {
    height: 150px;
  }
}

/* Desktop enhancements */
@media (min-width: 1025px) {
  .scroll-stack-card {
    will-change: transform;
    box-shadow: none;
  }
  
  .scroll-stack-end {
    height: 300px;
  }
}

/* Performance optimization for reduced motion */
@media (prefers-reduced-motion: reduce) {
  .scroll-stack-scroller {
    scroll-behavior: auto;
  }
  
  .scroll-stack-card {
    will-change: auto;
    transform: none !important;
    filter: none !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .scroll-stack-card {
    box-shadow: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
}