Act as a senior automotive art director and elite Behance poster designer specializing in premium supercar editorial campaign design and high-end automotive advertising. Create an ultra-premium campaign poster inspired by clean editorial automotive design with strong geometric hierarchy, layered subject composition, and luxury performance storytelling. Vertical 4:5 composition. ART DIRECTION: Minimal but aggressive. Stealthy yet luxurious. Precision-focused. Modern supercar editorial aesthetic. Behance front-page quality. Every element must feel engineered and intentional. BACKGROUND: Pure clean matte white studio background with subtle soft glossy floor reflections. GRAPHIC STRUCTURE: A bold diagonal metallic red stripe runs from top-left to bottom-right across the canvas, acting as the main visual spine. Use layered gradients from deep crimson to dark graphite with subtle transparency. The stripe must feel premium and aggressive. SUBJECT COMPOSITION: Use dual-subject layering exactly like premium automotive editorial posters. Primary subject: An Audi R8 Performance Quattro shown in perfect side profile positioned slightly below center, occupying around 50 percent of frame width. Car must be ultra accurate: low wide supercar stance, signature side blade, aggressive front splitter, large rear diffuser, sharp LED matrix headlights, wide rear haunches, gloss black forged wheels, massive carbon ceramic brakes, carbon mirrors, sharp body surfacing. Body color: Nardo Grey metallic. Secondary subject: Large cinematic close-up crop of rear quarter integrated inside the diagonal stripe. Focus on: LED taillights, engine bay, side blade, rear diffuser, exhaust details. Blend softly into stripe with atmospheric fade and reduced opacity. LIGHTING: Ultra-premium automotive studio lighting. Soft overhead diffusion. Sharp specular highlights tracing body contours. Controlled reflections on paint, glass, and carbon fiber. Clean luxury contrast. No harsh shadows. TYPOGRAPHY: Minimal technical editorial typography. Top metadata: POSTER NO. 101 AUDI SPORT R8 PERFORMANCE Right edge: Huge low-opacity vertical typography: R8 V10 Typography should be bold, condensed, uppercase, subtle light grey. BRANDING: Audi rings placed bottom-left. Audi Sport badge beneath. TECHNICAL INFO BLOCK: Small engineering-style specs block near lower-right. ENGINE: 5.2L NATURALLY ASPIRATED V10 POWER: 620 HP 0–100: 3.1 SEC TOP SPEED: 331 KM/H Use tiny premium engineering typography. COLOR SYSTEM: Strict palette: Nardo Grey Metallic Red Black Light Grey White Only 4–5 colors maximum. CAMERA: 85mm lens Perfect side profile Automotive studio photography Minimal distortion POST PROCESS: Micro contrast sharpening Soft reflection polish Premium print finish Clean edge refinement QUALITY: Hyper-realistic Photorealistic automotive advertising Premium supercar editorial Behance front-page quality 8K ultra-detailed NEGATIVE: No AI artifacts No distorted wheels No warped body panels No clutter No extra cars No random text No cheap graphics