Pop-up book paper craft animation, 15 seconds, 16:9. Hyper-detailed architectural paper sculpture. I

Pop-up book paper craft animation, 15 seconds, 16:9. Hyper-detailed architectural paper sculpture. Intricate laser-cut buildings, layered cardstock engineering, complex tabs, hinges, accordion folds, moving paper infrastructure, embossed textures, delicate gold foil details, cinematic warm lighting, dramatic macro photography and shallow depth of field. Everything remains physically attached to the pages of a giant open book. No voice. Audio: paper movement, mechanical clicks, tiny train sounds, rising orchestral wonder. ACT 1 (0-4s) A blank book page opens. From the center crease, a tiny paper street unfolds. Buildings rise one by one from hidden mechanisms. Cars slide onto the road, bridges snap into place, trees unfold their leaves, and tiny streetlights rise. Camera travels directly into the miniature city. ACT 2 (4-8s) A page turns. The city suddenly expands. Skyscrapers unfold from inside existing buildings, revealing entire buildings hidden within them. Elevated trains emerge from narrow paper slots and race between towers. Bridges extend across the growing city as entire blocks rise from beneath the pages. ACT 3 (8-12s) Another page turns. The architecture becomes impossibly intricate. Rooftops unfold into new neighborhoods. Windows open into tiny streets. Buildings split apart and reveal smaller buildings inside them. Entire streets rotate upward and become vertical streets connecting different levels of the city. The camera races deeper into the constantly transforming paper metropolis. ACT 4 (12-15s) The final page opens completely. The camera pulls rapidly backward. The seemingly enormous city is revealed to be only one district of a colossal paper metropolis extending across the entire double-page spread. Thousands of buildings, roads, bridges and railways continue unfolding outward in every direction. At the very center, the original tiny street is still visible. The entire city continues quietly expanding as the book settles open. Freeze on the breathtaking miniature metropolis.