Professional accounting illustration showing two tax regime options side by side. Clean, minimalist design on a dark navy blue background (#003366). Left side shows \”Simples Nacional\” with a small business icon, upward arrow, and simplified tax documents. Right side shows \”Lucro Presumido\” with a larger business building icon, financial charts, and tax paperwork. Between them a balance scale symbolizing the choice. Use teal/green (#00BFA6) as accent color for icons and highlights. Modern flat design style, no text labels, purely visual icons and geometric shapes. Professional and trustworthy look suitable for an accounting firm website.