What are the best non-alcoholic cocktails for parties and gatherings?

A refined NA menu that looks elevated, tastes bar-worthy, and keeps the next morning intact.

Which non-alcoholic cocktails work best for a party menu with lots of tastes?
How many non-alcoholic cocktail options should you offer at a gathering?
What should you serve guests who want a “stronger” NA drink?
How do you keep non-alcoholic cocktails tasting balanced once they’re poured over ice?
What’s the easiest way to make non-alcoholic cocktails feel elevated without extra work?
How do you build a simple NA margarita or paloma station for parties?
Are there non-alcoholic cocktails that work for both daytime and nighttime gatherings?