Coding is pretty much the only way to make a site that is both flexible and fast. If you wanna stay with page builders, I’d recommend something like webflow or framer but going with these closed systems is really not that amazing longterm. You’re gonna sink a lot of money into a system that will almost certainly enshittify in the future.
If you’re willing to pick up coding, try to make your own theme with something like Advanced Custom Fields in wordpress or switch to something like Kirby CMS which is more flexible out of the box than wordpress and has great docs.
My town has one of the oldest underground wine cellars in Europe with some bottles up to 300 years old. I talked to somebody maintaining the wine cellar and part of the cork replacement procedure that happens about every 50 years is to taste the wine - just a drop though. Apparently it’s pretty awful. His colleague said “You have to taste your way up to one of these!” which sounds like bullshit to me. I bet it doesn’t get better after 1700 more years.