Technology Blog site using wordpress.org

Looking for a blog site setup using [login to view URL] for a tech blog site , with posts related to latst trends in coding, AI/ML, I need you to set up two sites, one production and another Beta site. All changes to be done in Beta first , before migrating changes to production Migrate all my existing posts to the new site , when ready . You need to share steps how to migrate changes from beta to prod Below are 3 pages I am looking at.  All Pages     - Header - Logo , Social buttons , Login/SignUp    - Footer - Social Links , Similar to current website    - Google Analytics setup   -   Integration to MailChimp , Show all Facebook posts,   Landing page       - Category based filtering with 'All' Options       - Trending blogs ( upto 3 )      - Ability to add text,video and image posts     - Grid View of all posts       - PopUp to subscribe after 5 seconds of landing     - Ability to run Polls      - Facebook page posts in landing page ? Individual Post Page      - Social share and Like links      - Blog content       - Links to next article       - Popup to similar articles after 5 second of landing on blog post Profile Page       -  Profile page with photo, skills, portfolio , and other section ( open to ideas)  type "ARCH" at the beginning of your proposal so. i know you read description Let me know any questions . it is upto you if you use theme or edit existing theme, the final cost you provide will be all inclusive, i will not purchase any theme that you propose to use More details with shortlisted people