1) So after testing some more this is exactly what is happening.
If you do a search and you click on one of the items in the result, the LAST menu item that you clicked on BEFORE you did the search is highlighted.
Example, if I click on an item in the "Sports" category, then let's say I enter "Passport" in the search, then you click on one of the results, the "Sports" menu at the top is highlighted instead of "Travel" which is the category that the passport is in.
Another example, if you click on Sports, then click on a hat, then click on Travel, then click the browser back button - the Travel menu is highlighted instead of the "Sports" menu because it took me back to the hat that I clicked on last which is in the Sports category.
I hope these examples are clear.
2) Thanks.
Thanks!