1girl beach setting lifeguard tower toned physique symmetrical features dramatic illumination realistic sharp focus HD intricate hyperrealism photography physics-based rendering high detail RAW color ultra high resolution highly detailed 8K CG wallpaper rim lighting vivid hues post-processed vibrant color grading cinematic atmosphere gentle breeze warm tones enchanting golden hour subtle reflections mesmerizing waves peaceful ambiance coastal scenery serene tranquility artistically refined vivid scene