Five tabs became three
Problem. The bottom navigation was overwhelming and confusing. Goals and Funds sat beside Home and Learn as equals, so people had to know the product's structure before they could use it.
Decision. Structure the navigation around user needs. Every way to put money in — Smart Plans, Goals, Mutual Funds — moved under a single Invest tab.
Why it mattered. Deciding to invest no longer meant first deciding between a goal and a fund. There was one place to go, and the choice happened inside it.