Update site changes

frontend/src/app/globals.css

@@ -9,10 +9,35 @@
   
   body {
     @apply font-sans text-primary-dark antialiased;
+    @apply font-normal; /* Regular (400) for body */
+    @apply leading-relaxed; /* Good line spacing */
   }
   
-  h1, h2, h3, h4, h5, h6 {
-    @apply font-heading;
+  /* Titles: Medium (500) / SemiBold (600) with good spacing */
+  h1 {
+    @apply font-semibold tracking-tight leading-tight;
+  }
+  
+  h2 {
+    @apply font-semibold tracking-tight leading-tight;
+  }
+  
+  h3 {
+    @apply font-semibold leading-snug;
+  }
+  
+  h4, h5, h6 {
+    @apply font-medium leading-snug;
+  }
+  
+  /* Paragraphs with good spacing */
+  p {
+    @apply leading-relaxed;
+  }
+  
+  /* Buttons: Medium weight */
+  button, .btn, [type="button"], [type="submit"], [type="reset"] {
+    @apply font-medium;
   }
 }
 
@@ -26,11 +51,11 @@
   }
   
   .section-title {
-    @apply text-3xl md:text-4xl font-bold text-primary-dark;
+    @apply text-3xl md:text-4xl font-semibold text-primary-dark tracking-tight;
   }
   
   .section-subtitle {
-    @apply text-lg text-gray-600 mt-4;
+    @apply text-lg text-gray-600 mt-4 leading-relaxed;
   }
   
   /* Form styles */