Project doesn't work on mobile

this project works on desktop but when I try it on mobile i get
"Safari can't open the page because it couldn't establish a secure connection to the server"
I have multiple projects and this is the only one it happens on. it doesn’t work on any browser for mobile. I tested the SSL certs with SSL Labs and got an A+ on both tests. I also tested it out on other browsers and it says that it can’t secure a connection..

I am using the github api. Do I have to do something special for api’s on vercel?

github repo

website link

It sounds like there may be a local issue with your phone since the site is working on other devices. Please give these tips a try and let me know if any of them work for you: Safari could not open the page because it… - Apple Community

none of the options in the link worked.. I can access other projects I have on mobile, this is the only project I can’t access on mobile. I tried different browsers on my iphone and they all say they can’t connect to a server