Removing header logo and adding one to page below it

Site URL: https://greyhound-gerbil-7k7f.squarespace.com/

I would like to remove the logo from the header and and the logo as a picture on top of the one below it. How can I do this?

Your site is private. Please setup password & share url

https://greyhound-gerbil-7k7f.squarespace.com/

password sasert23

If I did that correctly.

Is there anyone that could help me? I would like to get it removed from the home page. And maybe from the other pages as well.