Font Pairing: Minimalist Monochrome Editorial. Category: Serif + Serif + Mono (Triple Stack). Heading Font: Playfair Display. Body Font: Source Serif 4. Mood/Style: monochrome, editorial, austere, typographic, pocket manifesto, luxury, high contrast, brutalist mobile. Best For: Luxury fashion mobile apps, editorial publications, digital exhibitions, portfolio apps, high-contrast e-reader aesthetics. Google Fonts URL: https://fonts.google.com/share?selection.family=JetBrains+Mono:wght@400;500|Playfair+Display:ital,wght@0,400;0,700;0,900;1,400|Source+Serif+4:ital,wght@0,300;0,400;0,600;1,300. CSS Import: @import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=Source+Serif+4:ital,wght@0,300;0,400;0,600;1,300&display=swap');. Tailwind Config: fontFamily: { display: ['Playfair Display', 'serif'], body: ['Source Serif 4', 'serif'], mono: ['JetBrains Mono', 'monospace'] }. Notes: Triple stack: Playfair Display 900 tracking-tighter leading-[0.9] for heroes (text-5xl–text-6xl breaks words graphically). Source Serif 4 300–600 for body legibility. JetBrains Mono 400–500 uppercase tracking-widest for tags/dates/labels. NO UI sans-serif — 100% serif/mono..