feat: Implement AI-powered estimation system, add comprehensive usage guide, and redesign PDF sitemap module.

src/components/pdf/SharedUI.tsx

@@ -16,13 +16,13 @@ export const COLORS = {
 };
 
 export const FONT_SIZES = {
-    H1: 24,
-    H2: 18,
-    H3: 12,
-    BODY: 9,
-    TINY: 7,
-    SUB: 8,
-    BLUEPRINT: 5
+    H1: 28,
+    H2: 20,
+    H3: 14,
+    BODY: 11,
+    TINY: 9,
+    SUB: 10,
+    BLUEPRINT: 8
 };
 
 // Register a more technical font if possible, or use Helvetica with varying weights
@@ -94,8 +94,7 @@ export const pdfStyles = StyleSheet.create({
         fontWeight: 'bold',
         marginBottom: 4,
         color: COLORS.CHARCOAL,
-        textTransform: 'uppercase',
-        letterSpacing: 1,
+        letterSpacing: 0.5,
     },
     subTitle: {
         fontSize: FONT_SIZES.BODY,