AI Video Generator Mobile App Homepage Dark UI

High-fidelity professional mobile app homepage UI mockup for AI Video Generator, dark mode theme, full English interface, displayed on a slim modern smartphone frame against a soft neutral light gray presentation background. Uses a clean platform-neutral mobile design system and modern geometric sans-serif font, sleek minimal professional design style, charcoal dark gray base color with electric indigo neon accent highlights, subtle frosted glass blur effects on navigation components, 16pt rounded corners, soft layered drop shadows for depth. Interface elements: top navigation bar includes minimal linear app logo, magnifying glass search icon, notification bell, small circular user profile avatar; hero section below has large bold heading "AI Video Generator", smaller subheading "Turn text, images, or audio into polished videos in one click", primary glowing CTA button labeled "Start Creating"; below hero section are 4 interactive feature cards for "Text to Video", "Image to Video", "Audio to Video", "AI Video Edit", each paired with a thin line icon and subtle glowing border; further down is a 2x2 grid of recent project thumbnails, each with a tiny play button overlay; bottom tab bar has 4 labeled icons: Home (selected, highlighted), Create, Library, Settings. No extra clutter, crisp 4K resolution, photorealistic UI presentation effect.