Allegiant Stadium, futuristic architecture, sleek curved lines, metallic silver exterior, glowing blue accents, towering high ceilings, massive retractable roof, floodlights illuminating the structure at night, lush green grass field, vibrant electronic scoreboard, cheering crowd in the stands, sports jerseys and hats, athletic tracksuits, shiny athletic shoes, daytime cloudy sky with sunbeams peeking through clouds, dramatic low-angle shot, cinematic composition.