google/transit ? reverse-engineered prompt

Build me a clean public website for GTFS that helps people understand the transit data standard and find the right resources quickly.

I want it to explain what GTFS is in simple language, with clear sections for GTFS Schedule and GTFS Realtime, plus links to the official docs and the community resources. Include a straightforward home page, a getting started area, and a contribution page that points people to how to help and where to join the discussion. Make it feel like an official reference site, easy to read on mobile, and simple enough for transit agencies, developers, and non technical visitors to use.

If you need current details or wording, look up the latest docs online and keep the content accurate. Focus on making the information easy to navigate, with a modern but restrained design, strong typography, and clear calls to action for learning more, joining the community, and subscribing to updates.