TPLvision-2021

Try adding to Design > Custom CSS
/* mobile products image same size video */ @media screen and (max-width:767px) { div#block-yui_3_17_2_1_1626100197568_10411 { width: 90%; } }  

Add to Design > Custom CSS > Then save & reload the site
/* The modular bar links */ div#page-section-602b8b507a57d9350d943ec0 a { color: black !important; }  

A self referral, which is what you are describing would generally happen if the previous step was being noted as your own domain. So when you are saying that you are seeing your own domain as the self-referral the only thing that comes to mind is some kind of redirection that happens before your main website loads.
My suggestion is to download screaming frog SEO spider and do some URL analysis and to to check your domain is mapped properly with DNS. I'd also check with support as this is connected to an analytics issue which might need checking by them
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Add to Design > Custom CSS
/* 2 images row mobile */ @media screen and (max-width:767px) { div#block-08591b012e466568aa45+.row .span-3 { width: 50% !important; float: left !important; } div#block-08591b012e466568aa45+.row .span-3:nth-child(2n+1) { clear: left; } }