I am redesigning the navigation for a B2B web application, we are currently using a dropdown menu to help users navigate to different products. I would like to move towards left side navigation to accommodate the launch of new products & services.
We have around 7 products, businesses can can signup for all 7 products or just one. Products are very different and they help businesses deal with specific challenges. while scaling-up wouldn't be an issue as vertical space provided by left side navigation will accommodate that, scaling down is an issue, particularly when clients sign-up for a one or two products.
So I have a few questions:
A- what would be the best approach from navigation point view when scaling-down as in the scenario I mentioned?
B- Is there any specific literature or research on how web applications scale down in terms of navigation & UI?
C- Do I need to maintain different navigation structures?
Happy to provide more clarification if needed.
Edit: some wires to clarify