Proposed Enhancements to the CloudNativePG Landing Page

I’ve got a few ideas to improve the landing page. Here are some design concepts.

<img width="1815" height="964" alt="Image" src="https://github.com/user-attachments/assets/9bb28e7b-bd4c-4285-b89d-e1d01855b480" />

<img width="1785" height="860" alt="Image" src="https://github.com/user-attachments/assets/20e97508-1d6c-4f98-9524-e533244d8055" />
