microsoft/fluentui-emoji ? reverse-engineered prompt

Build me a simple, polished emoji gallery for this Fluent Emoji collection.

I want a page where people can browse the emoji in a friendly, modern way, see each emoji clearly, search through them, and click one to copy or download it. It should feel clean and Microsoft inspired, with a nice hero section, a grid of emoji cards, and an easy way to switch between viewing styles if that makes sense for the assets that are here.

Use the artwork already in the repo and make the experience fast and responsive on desktop and mobile. If there are any missing details in the current files, look up the current docs online if you need to, then fill in the gaps with sensible defaults. Keep it simple, accessible, and visually polished, so someone can quickly find the emoji they want and use it.