Update theme colors

Merge version_2 into main

src/app/page.tsx

@@ -219,4 +219,4 @@ export default function LandingPage() {
       </div>
     </ThemeProvider>
   );
-}
+}

src/app/styles/variables.css

@@ -10,15 +10,15 @@
   --accent: #ffffff;
   --background-accent: #ffffff; */
 
-  --background: #0f0a1f;
-  --card: #1a1535;
-  --foreground: #e8e0ff;
-  --primary-cta: #6366f1;
-  --primary-cta-text: #f5f5f5;
-  --secondary-cta: #3730a3;
-  --secondary-cta-text: #1c1c1c;
-  --accent: #a78bfa;
-  --background-accent: #7c3aed;
+  --background: #ffffff;
+  --card: #f9f9f9;
+  --foreground: #000612e6;
+  --primary-cta: #15479c;
+  --primary-cta-text: #ffffff;
+  --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);