feat: SecureChat Website v1.0

- Homepage with particles, tilt cards, live encryption demo, parallax, glitch text, Konami easter egg
- How It Works page (5-step Double Ratchet walkthrough with animated SVGs)
- Changelog page (live fetch from GitHub with loading skeleton)
- Custom 404 page (void particles + cipher text animation)
- Full SEO: sitemap, robots.txt, JSON-LD, OG image, Twitter Card
- Favicons: SVG, apple-touch-icon, icon-192, icon-512, manifest.json
- FR/EN language switcher on all pages
- Phantom theme (dark + purple glassmorphism)

Author: DevBot667

.gitignore

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+# build output
+dist/
+# generated types
+.astro/
+
+# dependencies
+node_modules/
+
+# logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+# environment variables
+.env
+.env.*
+!.env.example
+
+# macOS-specific files
+.DS_Store
+
+# jetbrains setting folder
+.idea/
+
+# Windows
+Thumbs.db
+Desktop.ini
+
+# VS Code (settings perso — on garde extensions.json)
+.vscode/*
+!.vscode/extensions.json
+
+# Editor backups/temp
+*.swp
+*.swo
+*~
+*.bak
+
+# OS generated
+*.orig

.vscode/extensions.json

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+{
+  "recommendations": ["astro-build.astro-vscode"],
+  "unwantedRecommendations": []
+}

README.md

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+# Astro Starter Kit: Minimal
+
+```sh
+npm create astro@latest -- --template minimal
+```
+
+> 🧑‍🚀 **Seasoned astronaut?** Delete this file. Have fun!
+
+## 🚀 Project Structure
+
+Inside of your Astro project, you'll see the following folders and files:
+
+```text
+/
+├── public/
+├── src/
+│   └── pages/
+│       └── index.astro
+└── package.json
+```
+
+Astro looks for `.astro` or `.md` files in the `src/pages/` directory. Each page is exposed as a route based on its file name.
+
+There's nothing special about `src/components/`, but that's where we like to put any Astro/React/Vue/Svelte/Preact components.
+
+Any static assets, like images, can be placed in the `public/` directory.
+
+## 🧞 Commands
+
+All commands are run from the root of the project, from a terminal:
+
+| Command                   | Action                                           |
+| :------------------------ | :----------------------------------------------- |
+| `npm install`             | Installs dependencies                            |
+| `npm run dev`             | Starts local dev server at `localhost:4321`      |
+| `npm run build`           | Build your production site to `./dist/`          |
+| `npm run preview`         | Preview your build locally, before deploying     |
+| `npm run astro ...`       | Run CLI commands like `astro add`, `astro check` |
+| `npm run astro -- --help` | Get help using the Astro CLI                     |
+
+## 👀 Want to learn more?
+
+Feel free to check [our documentation](https://docs.astro.build) or jump into our [Discord server](https://astro.build/chat).

astro.config.mjs

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+// @ts-check
+import { defineConfig } from 'astro/config';
+import sitemap from '@astrojs/sitemap';
+import tailwindcss from '@tailwindcss/vite';
+
+// https://astro.build/config
+export default defineConfig({
+  site: 'https://devbot667.github.io',
+  base: '/SecureChat-Website',
+  integrations: [sitemap()],
+  vite: {
+    plugins: [tailwindcss()]
+  }
+});