young biblical David at age 18, close-up portrait, head and shoulders, youthful Judean shepherd boy from Bethlehem, innocent but intelligent face, bright expressive brown eyes, olive sun-kissed skin, soft natural facial features, straight nose, gentle cheekbones, lightly defined jawline, no beard, very faint adolescent stubble only, calm humble expression, pure and thoughtful gaze, medium-length dark brown wavy hair inspired by a soft vintage pageboy shape, neck-grazing hair, rounded side volume around the ears, gentle layered waves framing the cheeks, softly feathered ends, slight off-center part, natural windswept shepherd hair, ancient Israel realism, simple rough linen tunic neckline, cinematic realism, realistic skin texture, soft natural daylight, plain neutral background, face reference portrait, clean composition --ar 3:4 --raw
