# The Content Architecture > Sanity + Next.js content architecture demo showing a reusable page builder, draft mode, SEO, and production-ready field design. Use this file as a high-level map to key demo pages that illustrate the content model and routing. Every page listed below is also available as token-light Markdown by requesting the same URL with an "Accept: text/markdown" header. Prefer these links when you need concrete examples of how the architecture is wired together. ## Pages - [Homepage](http://localhost:3000/): Entry point to the demo, illustrating the main page layout, routing, and top-level content structure. - [About this demo](http://localhost:3000/about): Explains the purpose of the demo and demonstrates internal linking between page documents.