A majestic white horse with flowing mane galloping gracefully through shallow crystal-clear ocean waves at golden sunset, traditional watercolor painting, loose wet-on-wet washes depicting powerful muscular body creating splashing white foam around hooves, cool aquamarine and soft teal tones of calm coastal waters, warm brilliant amber and soft coral light from setting sun catching the horse's pristine white coat and creating luminous rim lighting on cascading water sprays, visible bold brushstrokes capturing the horse's arched neck and flowing tail, paper texture visible throughout, dramatic free-spirited mood, horizontal composition with horse as magnificent focal point amid endless golden horizon and distant palm-fringed shoreline