# Header 3

> A sticky marketing site header with Product, Solutions and Resources mega-menus (each a two-column link list beside a featured story), plain Pricing/Docs links, and a slide-out mobile menu with collapsible accordion groups.

- Author: [hirael](https://21st.dev/@hirael)
- Library: Hirael
- License: MIT
- Tags: Header, Navbar, Navigation, Mega Menu
- npm dependencies: lucide-react
- Live preview: https://21st.dev/@hirael/components/header-03

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/hirael/header-03?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/header.md