The young man and woman run naturally down the apartment hallway while holding hands, the man lea...

The young man and woman run naturally down the apartment hallway while holding hands, the man leading her forward. The camera follows closely behind them with energetic handheld shake, as if the camera operator is running after them. They reach the apartment's front entrance door leading out into the building stairwell. Without stopping, the man keeps holding the woman's hand, grabs the entrance door handle with his free hand, quickly opens the door into the stairwell and pulls her through the doorway with him. The building stairwell becomes naturally visible beyond the opened door. She follows him laughing, maintaining natural running momentum. Their running, connected hands, interaction with the door and transition from the apartment hallway into the stairwell are smooth, continuous and physically realistic. Hair and clothing react naturally to their movement. In the background, the apartment party continues: the friends remain behind, singing along with the guitarist and moving subtly to the music. Strong authentic handheld camera shake caused by the operator running, with natural vertical impacts and subtle motion blur, but no random side-to-side camera wandering. Preserve both characters' identities, faces, clothing and body proportions. No morphing, no fused hands, no warped bodies, no disappearing limbs, no character swapping, no sudden position changes, no artificial flashes or lighting changes.