Fix WordPress White Screen Issue

My site https://newconstructioncondosfl.com/ went from fully operational to a blank white page overnight. No theme, plugin, or code edits were made beforehand, and it runs on shared hosting. I briefly deactivated plugins and themes myself—no change—so I’m now at the limit of what I can safely test... (Budget: $30 - $50 USD, Jobs: CSS, HTML, PHP, Web Development, Web Security, Website Management, Website Optimization, WordPress)