Design Rocket — AI Leadership Course — Référence de design web et prompt

# Design Rocket Certificates — Email-Style Marketing Page

## Overview

Build a single-page React + TypeScript app that renders an email-style marketing page for the "Design Rocket Certificates" AI leadership course, built in collaboration with Microsoft. The page is laid out as a narrow 640px email container on a dark background, with a video hero, intro copy, two content sections (each pairing a looping video with copy and a CTA), a lime call-to-action card, and a footer with social icons and legal links.

## Tech Stack

- **Framework:** React 18 (`react` `^18.3.1`, `react-dom` `^18.3.1`) with `StrictMode`.
- **Build tool:** Vite `^6.3.5` with `@vitejs/plugin-react` `^4.5.0`.
- **Language:** TypeScript `~5.8.3` (`@types/react` `^18.3.20`, `@types/react-dom` `^18.3.7`).
- **Styling:** Tailwind CSS `^3.4.17` with `postcss` `^8.5.4` and `autoprefixer` `^10.4.21`.