Update theme colors

Merge version_3 into main

src/app/page.tsx

@@ -152,7 +152,7 @@ export default function LandingPage() {
             tag="Visit Us"
             title="Ready to get a fresh cut?"
             description="Book your appointment online today and join the best barbershop community in Oeiras."
-            buttons={[{ text: "Book Your Session Now", href: "#" }]}
+            buttons={[{ text: "Book Appointment Now", href: "#" }]}
           />
         </div>
 

src/app/styles/variables.css

@@ -10,15 +10,15 @@
   --accent: #ffffff;
   --background-accent: #ffffff; */
 
-  --background: #000000;
-  --card: #1f4035;
-  --foreground: #ffffff;
-  --primary-cta: #ffffff;
-  --primary-cta-text: #051a12;
-  --secondary-cta: #0d2b1f;
-  --secondary-cta-text: #d4f6e8;
-  --accent: #0d5238;
-  --background-accent: #10b981;
+  --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);