.parallax-container {
  height: 200vh;
  position: relative;
  overflow-x: hidden;
  background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
  margin: 2em 0;
}

.parallax-layer {
  position: absolute;
  width: 100%;
  will-change: transform;
}

.background-layer {
  top: 0;
  color: #adb5bd;
  font-size: 0.9em;
  line-height: 1.8;
  padding: 2em;
  transform: translateZ(0);
}

.midground-layer {
  top: 20vh;
  color: #6c757d;
  font-size: 1em;
  line-height: 1.6;
  padding: 2em;
  transform: translateZ(0);
}

.foreground-layer {
  top: 40vh;
  color: #212529;
  font-size: 1.1em;
  font-weight: bold;
  line-height: 1.4;
  padding: 2em;
  transform: translateZ(0);
}

.memory-fragment {
  background: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  padding: 1.5em;
  margin: 1em 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(2px);
}

.timestamp {
  font-family: monospace;
  font-size: 0.8em;
  color: #868e96;
  margin-bottom: 0.5em;
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-indicator {
  position: fixed;
  top: 20px;
  left: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 0.5em 1em;
  border-radius: 20px;
  font-size: 0.8em;
  font-family: monospace;
  z-index: 1000;
}

.instructions {
  text-align: center;
  margin: 2em 0;
  padding: 1em;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #dee2e6;
}