Burgundy dahlia

Native exact 3:2 composition, final asset 7680x5120 pixels, 8K ultra high definition realistic professional studio flower photography. Subject: Burgundy dahlia; single bloom with rich natural petal geometry. Core artistic theme: atelier. Background: a warm umber solid background with a slight gradient; pure color or only a very subtle gradient, no clutter. Light and shadow: soft directional studio light; a minimalist trapezoid shadow; harmonious light and shadow. Premium magazine cover and luxury advertising quality, highly realistic botanical anatomy, crisp visible petal texture, believable stem structure, refined color science, clean negative space, elegant composition, no AI look. No text, no watermark, no decorative background objects.