Mood: The mood of the video appears to be romantic and intimate, with a sense of longing. The theme seems to revolve around love and relationships, with the title 'Jaanu' suggesting a term of endearment. The overall emotion conveyed is warm and affectionate.

Environment: The setting of the video seems to be a luxurious and decorated space, possibly a hotel or a high-end interior setting, given the presence of bright lights and ornate decorations in the background. The environment is likely to be upscale and romantic.