Update theme colors

src/app/styles/variables.css

@@ -12,13 +12,13 @@
 
   --background: #ffffff;
   --card: #f9f9f9;
-  --foreground: #0a0a0a;
-  --primary-cta: #1e293b;
+  --foreground: #000612e6;
+  --primary-cta: #15479c;
   --primary-cta-text: #ffffff;
-  --secondary-cta: #f1f5f9;
-  --secondary-cta-text: #000f06e6;
-  --accent: #e2e8f0;
-  --background-accent: #f8fafc;
+  --secondary-cta: #f9f9f9;
+  --secondary-cta-text: #000612e6;
+  --accent: #e2e2e2;
+  --background-accent: #c4c4c4;
 
   /* text sizing - set by ThemeProvider */
   /* --text-2xs: clamp(0.465rem, 0.62vw, 0.62rem);