Coastal Roar: A Sunrise Ride on a Matte-Black Café Racer

prompt: |
  Matte-black café-racer thunders through empty coastal switchbacks at sunrise, exhaust crackles echoing off cliffs.  
  Camera: low-angle tracking, then quick tilt-up to reveal rider silhouette against golden sun.  
  Style: film-grain nostalgia.  
  Lighting: back-lit lens flares, golden rim on chrome.  
  VFX: heat shimmer off engine, drifting exhaust fog.  
audio: inline-four roar → wind rush
negative: no other vehicles, no text