edit the existing image focusing only on lighting and color correction do not change architecture geometry scale materials vegetation people background or composition no additions and no removals no reinterpretation of the scene lighting adjust the lighting to a softer more natural mediterranean daylight diffuse and even sunlight remove harsh highlights and artificial shine no increase in contrast no dramatic shadows light should feel airy calm and realistic color correction gently reduce overall saturation soften greens and water tones slightly without making them dull remove artificial or plastic looking colors maintain natural mediterranean color balance warm delicate tones not cold and not cinematic no heavy grading realism increase photographic realism physically believable light response natural transitions between light and shadow no hdr or hyper real effects goal a refined elegant photorealistic image with soft light and delicate colors as if lightly color graded from a professional architectural render or natural daylight photograph