Premium isn't a finish. It's a sequence of decisions that hold up.
You can spot it in the things that aren't there: no extra button, no dangling state, no half-thought edge case waiting to embarrass someone. The work feels calm because nothing in it is fighting for your attention.
Getting there isn't about working harder on the surface. It's about deciding earlier — what this is, what it isn't, what gets cut. By the time anyone touches the polished version, the hard choices are already settled.
That's the discipline. Not the gloss. The decisions underneath the gloss.