Re-develop WordPress website into ReactJS

Add strong visual features and elements. …
Personalize website based on Data Science services & consultancy requirements.
Use contrasting colors for using a good flow and effect of colors as per logo and other structures
Build a blog section editing and putting into a format
Add new landing pages focused on converting users. …
Optimize the entire website for SEO.

How to Use WordPress with React to Build a Modern Web App
Access the WP REST API from your front end.
Add a custom post type and expose it to the API.
Build a React app backed by this API.
Handle React Hooks (and create a custom one)

Check the website here:
www.thecrescita.co.in

Pls write the plan and approach how you will be developing this website as it is an IT startup we need it to be more professional and good UI, preferred is to use WordPress reactJS.

We need a theme approach and some one who know Data science, Data analytics, AI, Cloud so that you can customise the website adding exact services that we provide to our client.
I’m looking to build the website in this way with consistent color and UI and characters used as in image from here : https://www.nthventure.com/

This website should be quite professional s=with strong SEO and services specification should be clear that company provides.
sections from About company, team, Blog should be crisp and clear.