In theory, that's all you need. In reality, though… "Can we make it scroll to section 1 slowly, so the user sees what's going on?" "The heading of section 1 g

In theory, that's all you need. In reality, though… "Can we make it scroll to section 1 slowly, so the user sees what's going on?" "The heading of section 1 gets covered by the sticky top menu bar, change it so scrolling places section 1 just below the sticky."