To coat the rims, blend sugar and salt together, wet the edges with lime, then dip them into the mixture.
In a pitcher, stir together the limeade and simple syrup until thoroughly combined.
Stir in the fresh lime juice, tasting and adjusting as needed.
Introduce the pomegranate juice, beginning with 1/3 cup and tweaking according to your liking.
Refrigerate the blend for roughly 10 minutes.
Place ice in a glass, then pour the chilled mixture until it reaches about three-quarters of the way up.
Add club soda on top until the fizz level suits you.
Finish with basil, a lime wedge, and a scattering of pomegranate seeds.
Give it a light stir using a straw and savor!