Beachside amphitheater, constructivist architecture style, modern curved lines, bold geometric shapes, weathered wooden accents, sleek metallic railings, vibrant turquoise glass walls, futuristic LED light installations, sandy dunes, palm trees swaying gently, sunny day, clear blue sky, fluffy white clouds, seagulls flying overhead, warm soft lighting, 3/4 composition, panoramic view, dramatic shadows, abstract textures.