:root{--primary:#1e3a8a;--secondary:#3b82f6;--accent:#f97316;--text:#111827;--background:#f9fafb;--surface:#fff;--muted:#6b7280;--border:#e5e7eb}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text);font-family:system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6}.container{margin:0 auto;max-width:1200px;padding:0 20px}a{color:var(--secondary);text-decoration:none}a:hover{text-decoration:underline}button{border:none;border-radius:4px;cursor:pointer}