Dynamic Website for Visa Consultancy Agency

I would like to build a professional website for a visa and consultancy agency. The website should be clean, modern, and easy to manage, with a strong focus on usability and content flexibility.

Website Structure (Main Pages)
The website will consist of the following main sections:
1.Home
2.Corporate (About Us)

3.Visas
Canada Visa
UK Visa
Schengen Visa
Germany Visa
Bulgaria Visa
Greece Visa
Hungary Visa
Italy Visa
Spain Visa
Netherlands Visa
France Visa
Poland Visa
Ireland Visa
Romania Visa
Belgium Visa
Austria Visa
Slovakia Visa
Estonia Visa
Portugal Visa
Latvia Visa
Luxembourg Visa
Croatia Visa
Sweden Visa
Malta Visa
Lithuania Visa
Denmark Visa
4.USA Visas
5.Blog
6.Study Abroad Consultancy
7.Contact

Key Requirements
English and Turkish
The website must include a WhatsApp integration for direct communication

Legal pages such as:
Privacy Policy
Terms & Conditions

Content Management (VERY IMPORTANT)
I want to be able to easily add and edit content at any time, including:
Adding/editing visa pages
Writing and publishing blog posts
A user-friendly CMS (Content Management System) is required (for example: WordPress or a custom admin panel).
Form System
The website should include a form system where users can submit their information
Submitted data should be:
Stored in a database or file
Exportable (e.g., Excel/CSV preferred)
Optionally sent via email notification
It would be ideal if submissions can be tracked daily
Design & UX Expectations
Modern, clean, and professional design
Mobile-friendly (responsive)
Fast loading speed
SEO-friendly structure

Additional Notes
I am not a software expert, so the system should be simple and easy to manage
I would appreciate basic guidance or documentation on how to use the admin panel
This project may expand in the future, so scalability is important
Please let me know your suggested tech stack and timeline.