There is a specific kind of confidence that comes from looking at AI-generated HTML in a chat window.
It looks clean. The structure makes sense. The copy is right. You've been staring at it for five minutes and you can't find anything wrong.
So you deploy it.
Then someone opens it on their phone and sends you a screenshot.
The heading is overflowing the screen. The CTA button is half-hidden behind the bottom navigation bar. The form fields are so small that tapping them is basically a game of precision. The layout that looked perfect on your 1440px monitor is completely broken on a 390px screen.
