Hello, @CJCORP,
Thanks for the access I have checked your issue the thing is you are using the Elementor tab widget on the page and I have checked the settings of it there is no option to disable the first active tab. So I make it with a trick.
I simply duplicate the first tab and then hide the first tab from the display so that the rest of the tab will appear closed. See image: https://postimg.cc/LYgR6fxQ
Regards 8Theme Team.