15-second photoreal cinematic eco-futurist ocean wonder. Title: “Floating Bio-Architecture.” One sin

15-second photoreal cinematic eco-futurist ocean wonder. Title: “Floating Bio-Architecture.” One single floating mega-structure only. Same structure throughout: coral-like shell exterior, porous biomorphic ribs, algae-covered rooftops, green terraces, modular floating platforms, reef-integrated underwater supports. Same ocean, same daylight direction, same design identity, same transition continuity. No redesign. Story purpose: reveal a floating bio-architectural megastructure on the ocean surface, then dive underwater to show its foundations integrated with a thriving marine ecosystem. Scene flow: 00:00–00:02 extreme wide establishing shot. Vast open ocean under soft daylight. The floating structure appears like a living island with coral-inspired shells and algae roofs. Mood: awe and curiosity. 00:02–00:04 smooth aerial approach. Camera glides closer, revealing scale, layered platforms, biomorphic skin, rooftop greenery, and eco-futurist detail. 00:04–00:06 architectural close-up. Show coral-like ribs, porous texture, wet reflections, bio-concrete surfaces, algae films, and ecological micro-detail. 00:06–00:08 waterline transition. Camera lowers to sea level and becomes half-submerged, showing the boundary between surface architecture and the hidden world below. 00:08–00:10 submerged descent. Camera passes beneath the surface. Underwater support columns appear, overgrown with coral, sponges, reef organisms, and marine flora. Light shafts cut through blue water. 00:10–00:13 wide underwater reveal. The foundation system functions as a living reef ecosystem. Fish schools move through columns, reef growth wraps the supports, marine particles drift in caustic light. 00:13–00:15 final iconic hero frame. Balanced split-view composition showing the floating architecture above water and the thriving reef-integrated foundation below. Hold for impact. Camera: stable and readable. Drone extreme wide, slow glide-in, architectural close-up, waterline drop, smooth underwater descent, wide underwater reveal, final hero hold. No shaky camera, no random spins, no chaotic motion. Motion and physics: realistic water, gentle waves, natural buoyancy, believable floating mass, underwater drift, soft particles, natural fish motion, accurate refraction and caustics. Lighting and effects: physically correct sun and sky, ocean reflections, soft volumetric clouds, clear water, caustics, god rays, wet surface sheen, subsurface scattering in coral-like material. Clean premium realism. Audio: Clean cinematic audio, ocean ambience, soft wind, gentle water lap, smooth submerge transition, underwater muffle, marine resonance, subtle awe swell, final sustained tone, no distortion. Negative: no humans, no boats, no land, no skyline, no text, no storm, no pollution, no redesign, no extra buildings, no fantasy creatures, no shaky cam, no blur, no compression artifacts. Minimum 8K quality, ultra sharp, high detail, clean textures, stable geometry, no blur, no compression artifacts.