Broken wordpress site, non-working links and no access to wp-admin page

https://wordpress.stackexchange.com/ is the stackexchange website that deals with wordpress.

It seems like your website is hosted by Automattic so you can get their help by communicating with their support staff. Go to https://wordpress.com/support/contact/ and click on “I need customer service for a paid site hosted at wordpress.com

https://wordpress.com/support/com-vs-org/

WordPress is a free and open-source Content Management System (CMS). Its URL is wordpress.org It can be hosted by anyone, anywhere.

WordPress.com offers a commercial service, the hosting of that CMS.

Automattic is the company behind WordPress (both .com and .org).

https://wordpress.com/support/phpmyadmin-and-mysql/

I am not sure how broken the site is but you can give this a try. If it doesn’t work let us know which step fails:

Try logging in at https://wordpress.com/log-in

Click on My Sites (top-left corner)

Click Switch Site (if available)

Click the domain name

Click WP Admin (you may need to enter your username & password)

Go to Settings -> Permalinks

Click the save button (at the bottom of the page)