Clean mobile app UI screenshot, vertical 3:4 phone screen: a stargazing guide app with a deep navy starry-night header showing a small Orion star chart, a search bar reading 'Search constellations', three short horizontal cards 'Tonight's Sky', 'Orion Guide', 'Meteor Shower', a bottom navigation bar with Home, Sky Map, Guide, Profile icons; short clean English labels only, consistent spacing and typography, dark blue and gold accent colors, realistic app screenshot, no real brand logo, no watermark.