I appreciate that you’re trying to make the site better, but honestly I don’t find the new theme to be a huge improvement. On a vertical iPad Pro there is plenty of space for your navigation at the top but it’s all hidden behind the hamburger menu (though sometimes I can actually trigger the desktop version of the nav to appear on some pages, and it’s much more usable). That’s not mobile friendly… Font sizes are also smaller than standard minimum sizes for mobile.
This feels like an old theme retrofitted with some mobile things vs. a truly new responsive theme that would work at all sizes and have modern icons, etc. There’s a lot of random borders and buttons styles and old icons everywhere that look like they’re left over from an old desktop theme. None of your icons looks like they’re @2x size or SVGs so they’ll look blurry on any mobile device.