Font Pairing: Material You MD3 (Roboto System). Category: Sans (System Default). Heading Font: Roboto. Body Font: Roboto. Mood/Style: material design 3, md3, android, google, tonal, friendly, rounded, accessible, adaptive. Best For: Android apps, cross-platform tools, productivity software, data-heavy B2B dashboards, enterprise mobile. Google Fonts URL: https://fonts.google.com/share?selection.family=Roboto:ital,wght@0,300;0,400;0,500;0,700;1,400. CSS Import: @import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');. Tailwind Config: fontFamily: { sans: ['Roboto', 'sans-serif'] }. Notes: MD3 type scale: Display Large 56px/400/64px. Headline Large 32px/500/40px. Title Large 22px/500/28px. Body Large 16px/400/24px. Label Medium 12px/500/16px. Buttons and Labels: letterSpacing 0.1px. Use system Roboto on Android; load from Google Fonts for iOS parity. Never use custom weights beyond 300–700..