Hyper-realistic birthday portrait with champagne and cake

Create a hyper-realistic 8K vertical birthday portrait, 4:5, medium-long mid-thigh framing, eye-level, 85mm DSLR look. Subject occupies 40–45% of frame with generous negative space/headroom. Use reference image for exact identity, preserving facial structure, jawline, eyes, nose, lips, brows, skin tone/texture, and identical hairstyle, with no beautification or identity drift. Man wears fitted matte-black T-shirt, thin silver chain, gold metal watch, black wristband; joyful natural smile, direct eye contact, right hand holding champagne flute at chest height with accurate anatomy. Front-right: two-tier chocolate cake on white stand/table, dark frosting, glossy gold caramel drip, chocolate chunks, caramel popcorn, four lit candles with warm glow. Colorful rectangular confetti on table and mid-air. Background: semi-circular matte-white, metallic-gold/silver balloon arch with centered “HAPPY BIRTHDAY” neon sign, soft golden-yellow glow. Soft diffused warm-neutral lighting, subtle rim light, HDR, cinematic grading, shallow DOF, razor-sharp subject/cake, creamy bokeh, luxurious joyful premium editorial mood.