Minimalist YouTube channel logo design, square 1:1 composition, ultra high resolution. A single bold capital letter “M” centered in the frame. Modern geometric sans-serif typography, clean sharp edges, highly legible, premium brand identity, similar to modern documentary channels like fern or Cipher. Flat vector style, no gradients, no shadows, no textures, no 3D effects. Bright eye-catching solid background color with strong contrast against the letter, professional and memorable. Perfect visual balance, centered composition, designed for small profile picture visibility. Clean negative space, modern digital media branding, sleek and timeless aesthetic. No extra text, no symbols, no objects, only the letter “M”.