ChatGPT — 블로그 헤더 일러스트

Minimalist editorial illustration for a tech blog post titled '제목'. Style: flat 2D, geometric shapes, limited 3-color palette (팔레트), subtle gradient, isometric perspective. Visualize the concept of 핵심_개념 as an abstract metaphor — no people unless explicitly needed. 16:9 aspect, ample negative space on the right for text overlay. Reference: Stripe / Linear blog illustrations.