Hello,
The font for the header you can change via Theme Settings -> Typography -> make changes in the “Header font” area.
https://prnt.sc/31yZ6zvWenZl
The hover style is configured in WoodMart -> Header builder -> edit the “Main menu” elements and change in its settings the style (more detail in the below screenshot).
https://prnt.sc/dsJTLQ33ZoKE
Also, the font and color can be adjusted via Theme Settings -> Typography -> Advanced -> create a new rule and select the “Main navigation” links, then in the appropriate fields make changes.
https://prnt.sc/MxUatgNfGFcb
Kind Regards