Website and App Duplication

I need an informational website and possibly a mobile app for tech support requests. The design should closely mimic an existing site that I'll provide the URL for https://bravas.com
Key Requirements:
- Copy an existing website's design
- Optional: Cost-effective mobile app for tech support requests

Ideal Skills and Experience:
- Proficiency in web and mobile app development
- Experience in website design duplication
- Familiarity with tech support request interfaces