summer island quest poster, 3D isometric perspective, tropical color palette with turquoise and coral accents, swaying palm trees with coconuts, sandy trail marked with seashell checkpoints, snorkel gear and inflatable flamingos along the shore, chibi-style explorers building sandcastles, cumulus clouds shaped like sea creatures, ombré ocean-blue background, golden hour illumination, ultra-wide horizontal layout, vacation symbols (sunhat/binoculars), nautical-themed progress meter with sailboat indicators, radiant sunset halo, minimalist layers with dimensional textures, Behance-featured design style --ar 16:9 --v 6
