Stir graham crumbs, sugar, and melted butter until evenly moistened.
Press mixture into a 9-inch pie dish; pack firmly up the sides.
Chill the crust for 15 minutes while you make the filling.
Beat cream cheese until fluffy and smooth.
Slowly blend in condensed milk until silky.
Mix in lemonade concentrate, lemon zest, vanilla, and salt.
Fold in whipped topping gently until no streaks remain.
Pour filling into the crust and smooth the top.
Refrigerate at least 4 hours, or until set.
Top with raspberries, slice, and serve cold.