A microscopic cluster of translucent bacterial cells resting inside an uneven mineral pore filled with liquid water. The delicate bacterial filaments gently curve along the wet mineral walls of the subterranean cavity. Composition: extreme macro, macro, featuring Centered macro vignette floating cleanly inside the canvas with generous safe white margins on all sides. Scientific details: Translucent cellular membranes, fluid meniscus curvature, micro-fractured crystalline surfaces, zero text. Color palette: Deep slate blue, muted earthen ochre, pale aqua, charcoal ink. The complete visual composition must sit comfortably inside the canvas with generous clean white/off-white negative space visible on the left, right, top, and bottom. Keep all important objects fully inside the safe frame. Nothing important may touch or cross any edge of the image. Do not crop the primary subject. Do not use edge-to-edge artwork. Do not fill the entire frame with background scenery. hand-drawn 2D explainer cartoon illustration, thick clean black outlines, simplified readable forms, flat cel-style colors, soft minimal shading, clean educational YouTube illustration, clear focal hierarchy, no photorealism, no 3D rendering, no typography, no text, no watermarks
