AGVVsivakiran/Stepper_Progress ? reverse-engineered prompt

Build me an Angular page that shows a simple step progress flow with dynamic UI rendering.

I want the screen to change based on the current step, so the user can move forward and back and see different content depending on what stage they are in. Use two way data binding where it makes sense, and make sure clicks and input changes update the UI right away. Also use property binding and event binding so buttons, labels, and the progress state stay in sync.

Please include conditional rendering with structural directives, so some parts of the page only show up when a step is active or completed. Keep it clean and easy to follow, with a clear visual progress indicator and a basic interactive demo. If you need to look up any current Angular details online, go ahead.