summer beach quest poster, 3D isometric perspective, vibrant tropical colors (aqua blue/sunset coral), curving shoreline with hidden treasure spots, sandy trail marked with beach buckets and parasols, cartoon explorers with snorkels and treasure maps, playful dolphins jumping waves, gradient ocean-blue backdrop, dynamic sunlight reflections, wide horizontal layout, nautical icons (anchor/nautical wheel), exploration milestone badges, golden hour glow, semi-flat design with texture layers, trending on Behance --ar 16:9 --v 6
