Hello, Juergen,
Thank you for contacting us and for using XStore.
1/ It is because of this – https://prnt.sc/kDkZGR2aOCpV
2/ It is hidden for mobile – https://prnt.sc/HIl5-aIRavqy
3/ Please go to Theme Options > Typography > select the custom uploaded fonts, do this for menu and other elements. Select custom fonts via Elementor settings also – https://elementor.com/help/how-do-i-set-global-fonts-and-colors/
Kind Regards, 8theme team
