Initialize Hugo website with custom infinite-scroll theme

- Set up complete Hugo project structure with bilingual support (EN/DE)
- Create custom pyx-theme with modern, clean design
- Implement infinite scrolling single-page layout with sections
- Style with white background, black text, and blue accent color
- Add responsive navigation with smooth anchor scrolling
- Move logo assets to static/images directory
- Configure i18n translations for English and German (Swiss spelling)
- Add company data structure in data/company.yaml
- Create archetypes for consistent content frontmatter
- Update CLAUDE.md with comprehensive project documentation

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

README.md

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+# Pyx Engineering AG Website
+
+Corporate website for Pyx Engineering AG built with Hugo.
+
+## Development
+
+### Prerequisites
+- Hugo v0.123.7+ (Extended version recommended)
+
+### Local Development
+```bash
+# Start development server
+hugo server -D
+
+# Build site
+hugo
+
+# Create new content
+hugo new services/my-service.md
+hugo new projects/my-project.md
+```
+
+### Project Structure
+- `/content/` - Site content (Markdown files)
+  - `/content/services/` - Service pages
+  - `/content/projects/` - Project/reference pages
+  - `/content/about/` - About pages
+- `/data/company.yaml` - Company information (address, phone, UID)
+- `/themes/pyx-theme/` - Custom Hugo theme
+- `/static/images/` - Logo and static assets
+- `/i18n/` - Translation files (English/German)
+
+### Languages
+The site supports:
+- English (default)
+- German (Swiss spelling - use "ss" instead of "ß")
+
+### Content Guidelines
+All content pages should include frontmatter:
+```yaml
+---
+title: "Page Title"
+description: "SEO description"
+date: 2026-02-08
+thumbnail: "image.jpg"
+---
+```
+
+## Deployment
+Manual deployment - build with `hugo` and upload `/public/` directory to web server.
+
+## Repository
+https://git.jammann.ch/joe/pyx-website