.pv-story-rail {
  position: sticky;
  top: 96px;
}

.pv-progress-line {
  background: linear-gradient(180deg, var(--pv-primary), var(--pv-accent));
  border-radius: 999px;
  height: 100%;
  min-height: 260px;
  width: 5px;
}

.pv-motion-card {
  animation: pv-float 7s ease-in-out infinite;
}

.pv-key-tag {
  animation: pv-tag-sway 5.5s ease-in-out infinite;
}

@keyframes pv-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes pv-tag-sway {
  0%,
  100% {
    transform: rotate(-2deg);
  }
  50% {
    transform: rotate(2deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pv-motion-card,
  .pv-key-tag {
    animation: none;
  }
}