<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
  <rect width="512" height="512" fill="#1c1917"/>
  <text x="256" y="330" font-family="ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif" font-size="220" font-weight="800" letter-spacing="-12" text-anchor="middle" fill="#fafaf9">ZA</text>
</svg>
