Font Pairing: Enterprise SaaS Mobile (Plus Jakarta Sans). Category: Geometric Sans (Single Family). Heading Font: Plus Jakarta Sans. Body Font: Plus Jakarta Sans. Mood/Style: enterprise, saas, b2b, professional, indigo, modern, approachable, legible, ios dynamic type, android scaling. Best For: B2B SaaS apps, productivity tools, government and finance mobile apps, admin dashboards, enterprise onboarding. Google Fonts URL: https://fonts.google.com/share?selection.family=Plus+Jakarta+Sans:ital,wght@0,400;0,600;0,700;0,800;1,400. CSS Import: @import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,600;0,700;0,800;1,400&display=swap');. Tailwind Config: fontFamily: { sans: ['Plus Jakarta Sans', 'sans-serif'] }. Notes: Single-family system: Plus Jakarta Sans balances professional authority with mobile approachability. Weight scale: ExtraBold 800 for screen titles/hero (line height 1.1–1.2). Bold 700 for section headers. SemiBold 600 for card titles and buttons. Regular 400 for body text (line height 1.4–1.5). Must support iOS Dynamic Type and Android font scaling — never hardcode pixel sizes without respecting system font scale. Button text: uppercase, letterSpacing 0.5. Caption: 12px Regular. Muted: Slate 500 #64748B..