# Skeleton — Cascade

> A cascade skeleton loading placeholder — a highlight wave sweeps thumb by thumb across a media grid while content loads. Token-driven, design-system agnostic, with dark mode and reduced-motion support.

- Category: Skeleton
- Frameworks: Vanilla, React + CSS, React + Tailwind
- Design system: Vector
- Dark mode: yes
- Access: premium (Atheros AI Pass)
- Tags: loading, wave, placeholder
- Page: https://builder.atheros.ai/components/skeleton-cascade
- Preview: https://d17nmjscumqk5d.cloudfront.net/builder/templates/tpl_builder_skeleton_cascade/preview-82e0cd826dd5.webp

## Features

- Per-element highlight wave — each thumb brightens in staggered sequence so a highlight cascades diagonally across the grid (opacity only, GPU-composited)
- Media-grid card layout — a 3-column grid of six square thumbs above two caption lines
- Click or press Enter/Space to replay the load-in animation
- All colors, spacing, and radii driven by design-system tokens
- Dark/light mode via the `body.dark` class
- Prefers-reduced-motion support
- Accessible: `role=status`, `aria-busy`, screen-reader loading label

## Common questions

**Which frameworks is Skeleton — Cascade available in?**

Skeleton — Cascade ships as Vanilla, React + CSS and React + Tailwind — HTML, CSS, JS and React source you can copy, download or clone into Atheros AI Builder.

**Is Skeleton — Cascade free?**

Skeleton — Cascade is a premium component. Anyone can preview it; the source, downloads and AI customisation are included with Atheros AI Pass.

**Does Skeleton — Cascade support dark mode?**

Yes. Skeleton — Cascade ships light and dark themes, both drawn from the Vector design system's tokens. Switch the preview to dark mode to compare them.

## Get the code

Preview Skeleton — Cascade live, then sign in to copy or download the source, apply another design system, or ask the AI assistant to change it: https://builder.atheros.ai/components/skeleton-cascade

Every component on https://builder.atheros.ai is also reachable from Claude Code, Cursor and Codex through the Atheros MCP server (paid plans). Component index: https://builder.atheros.ai/llms-components.txt