Create a 20-second minimalist line-art animation in 16:9. Pure black background; ...

Create a 20-second minimalist line-art animation in 16:9. Pure black background; thin white outlines only. No color, shading, textures, filled shapes, text, photorealism, extra objects, or camera shake. Clean schematic drawing, high contrast, calm, readable, smooth cinematic motion. The entire shot begins on a completely black screen. Every element must gradually be drawn into existence by vis...