A contemporary underwater restaurant at twilight, massive curved acrylic dome submerged in crystal clear turquoise ocean, bioluminescent jellyfish drifting past floor-to-ceiling glass walls, curved white banquettes with navy cushions, spiral staircase descending to seafloor, hanging pendant lights casting warm amber pools across sandy bottom, trailing kelp and coral formations softening modern lines, hand-painted watercolor textures with visible brushstrokes and paper grain, deep ocean blue and warm amber palette, Blender Cycles cinematic render with frame-by-frame oil painting aesthetics, volumetric twilight light streaming through water creating elegant shadows across submarine dining space, global illumination generating ethereal oceanic sanctuary atmosphere, architectural digest quality composition, contemplative serene mood at twilight in luxurious underwater gastronomic haven