Logo Positioning

Hi, I’m having issues with my logo for my header. I don’t remember changing anything in the CSS, but now it’s halfway down the page! My site is meredithmackenziecounselling.com if anyone can suggest what I can do to fix this. I’ve already checked the margins and top-padding. I’m near wordpress illiterate though, so please respond “for dummies” if you have any suggestions.

Thanks!