If FilleZilla said successful when download the uploaded htdocs folder. That’s mean that everything from the folder is 100% downloadedcand uploaded correctly, isn’t it?
Did you see the text at the top of that .htaccess file that says DO NOT EDIT THIS FILE? Apparently not, because you edited that file. Delete whatever code you added from that file, and create a new .htaccess file in the /ngac.ro/htdocs directory with the code you want to use.
You can’t force SSL if you don’t have an SSL certificate installed. You requested the certificate (Post 85), but you have not installed it. You need to install the certificate first (Which is done after the CNAME records are verified)