:root{--bg:#ffffff;--ink:#0f172a;--muted:#64748b;--soft:#f6f7f9;--line:#e6e8ec;--primary:#2563eb;--primary-ink:#ffffff;--radius:10px;--font-body:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;--font-head:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif}body{font-family:var(--font-body);background:var(--bg);color:var(--ink)}h1,h2,h3,.brand{font-family:var(--font-head)}