We are using What Font browser extension and it shows that those fonts in menu are the same
home – https://prnt.sc/MggWrSCsUoLw
about us – https://prnt.sc/edIzqe34OneM
But we inspected content and that font is different ->
https://prnt.sc/9Xt0cPG6mohj
If you want to change menu font go to Theme Options -> Header Builder -> Main Menu -> https://prnt.sc/Xh9Y0gUIPd66
If you want to change global fonts go to Theme Options -> Typography -> https://prnt.sc/MiKGP0nTI1_A
Regards