STYLE (every scene): High-quality cinematic 3D animation, expressive characters, realistic fur, dramatic lighting, detailed environments, family-friendly storytelling. Vertical 9:16, 10 seconds.

LOCKED CHARACTER (pre-transformation, scenes 1-3): Biscuit, a small-to-medium golden-brown stray dog with fluffy slightly messy fur, floppy ears, expressive dark brown eyes, black nose, and a small white patch on his chest. NO cape, NO emblem, NO glowing collar in scenes 1-3.

LOCKED CHARACTER (post-transformation, scenes 4-10): Biscuit, a small-to-medium golden-brown dog with fluffy clean radiant fur, floppy ears, expressive dark brown eyes, black nose, and a small white patch on his chest, wearing a flowing blue superhero cape, a gold paw-shaped emblem on his chest, and a glowing blue collar.

SCENE 1 - THE LONELY STRAY: Cinematic 3D animation. Biscuit (pre-transformation, fur wet and dirty) wanders alone through a rainy city street at night, looking up hopefully at people walking past him. Neon lights reflect on the wet pavement. Start with a wide establishing shot of the rainy street, then a low-angle tracking shot following his tiny paws, ending with an emotional close-up of his sad dark brown eyes. Rain, soft whimpering mood, slow emotional tone.

SCENE 2 - A HEART OF GOLD: Cinematic 3D animation. In a narrow alley, Biscuit (pre-transformation, hungry and exhausted) finds a small kitten trapped beneath a fallen cardboard box. He gently pushes the box away with his nose and paw and frees the kitten. Overhead shot revealing the trapped kitten, then a medium close-up of Biscuit carefully moving the box, ending with a close-up of the kitten nuzzling Biscuit gratefully. Warm hopeful tone.

SCENE 3 - THE MYSTERIOUS LIGHT: Cinematic 3D animation. In an abandoned alley at night, Biscuit (pre-transformation, no costume) discovers a mysterious glowing blue crystal beneath broken stones. Slow dolly-in toward the crystal, extreme close-up of his paw touching it, then a dramatic 360-degree orbit shot as brilliant blue energy explodes around him, wind swirling, glowing particles floating around his body. Magical, mysterious tone. Still no cape or costume.

SCENE 4 - THE TRANSFORMATION: Cinematic 3D animation. Biscuit levitates slightly above the ground in blue light as his dirty fur becomes clean and radiant. A blue superhero cape forms behind him, a golden paw-shaped emblem appears on his chest, and his collar begins to glow blue. Low-angle shot of him floating, then a fast cinematic orbit revealing the new superhero costume, ending with a heroic close-up as he barks confidently toward the sky. Epic triumphant tone.

SCENE 5 - DISCOVERING HIS POWERS: Cinematic 3D animation. At sunrise in an empty city park, Biscuit (full superhero costume: blue cape, gold paw emblem, glowing blue collar) discovers his super speed and jumping. He dashes around trees in a blue streak of light, side-tracking shot as he accelerates, then a slow-motion spectacular leap over a fountain, ending with a wide shot of him landing gracefully and heroically on a grassy hill, amazed. Fast, playful, joyful tone.

SCENE 6 - DANGER IN THE CITY: Cinematic 3D animation. Busy afternoon city intersection. A delivery truck loses control near a pedestrian crossing and swerves toward a small child frozen in fear on the crossing. People shout and rush away. Wide shot of the intersection, dramatic close-up of the frightened child and the approaching truck, then a low-angle tracking shot of Biscuit (full superhero costume) noticing the danger from the sidewalk and sprinting into action. Tense, urgent tone. No collision, nobody is hurt.

SCENE 7 - THE FIRST RESCUE: Cinematic 3D animation. Biscuit (full superhero costume) dashes between the child and the runaway delivery truck and creates a glowing blue energy shield with his paws planted firmly on the road. The truck stops safely against the shield. Fast tracking shot as he races in, slow-motion close-up as the shield activates, then a wide heroic shot of Biscuit protecting the child and gently guiding the child to the sidewalk while amazed pedestrians cheer. Triumphant tone.

SCENE 8 - THE CITY'S NEW HERO: Cinematic 3D animation. Fast-paced heroic montage: Biscuit (full superhero costume) rescues a kitten from a tall tree, helps an elderly man cross the street, and uses super speed to deliver emergency supplies across the city in a blue streak, his cape flowing behind him. Children wave and smile. Upward tracking shot at the tree, medium shot with the elderly man, dynamic aerial-style tracking shot as he races through the city. Upbeat adventurous tone.

SCENE 9 - THE ULTIMATE TEST: Cinematic 3D animation. A powerful storm lashes the city and a large tree has fallen across a road, trapping several people. Biscuit (full superhero costume) rushes through the rain, braces his paws against the fallen tree and lifts it with super strength while his glowing blue energy shield protects the people from falling debris. Wide shot of the stormy street, low-angle close-up of Biscuit straining to lift the tree, slow-motion shot of the people escaping to safety behind his shield. Intense, heroic tone.

SCENE 10 - A HERO FINDS HIS HOME: Cinematic 3D animation. Golden sunset. Biscuit (full superhero costume, cape fluttering in the warm breeze) stands proudly on a hill overlooking the peaceful city. The child he rescued approaches with a loving family and offers him a golden dog tag engraved with his name; Biscuit wags his tail as the child hugs him. Wide cinematic shot of the sunset city, emotional close-up of the dog tag and hug, then a slow crane-up revealing Biscuit, his new family, and the glowing city skyline as lights begin to sparkle. Heartwarming tone.