Hi Eileen,
You are getting there.
I can see you have 2 bar. Mobile and Bar 1. Rename Bar 1 as Desktop. Inspect it, on Customize Tab, Hide this on the 2 small screensize opposite settings of your current Mobile. No need to hide your logo inside this bar on small size because it is already applied on the bar.
Next, on the first bar named MOBILE, build the header as you like it on Mobile view. HIDE DURING BREAKPOINTS are correctly set. You may add another container. To make container fullwidth, set the following settings:

Now you have 2 container here, the first has LOGO, then on the next, put the element as you like.
Hope this helps.