Update theme colors

Merge version_1 into main

src/app/page.tsx

@@ -43,7 +43,7 @@ export default function LandingPage() {
           description="World-class coaching. Family atmosphere. Real Muay Thai. Train with one of the most respected coaches in the UK."
           background={{ variant: "radial-gradient" }}
           buttons={[
-            { text: "Book Your First Class Free", href: "#community" },
+            { text: "Start Free Trial", href: "#community" },
             { text: "Learn More", href: "#training" }
           ]}
           layoutOrder="default"

src/app/styles/variables.css

@@ -10,15 +10,15 @@
   --accent: #ffffff;
   --background-accent: #ffffff; */
 
-  --background: #f5f5f5;
-  --card: #ffffff;
-  --foreground: #1c1c1c;
-  --primary-cta: #1f3251;
-  --primary-cta-text: #f5f5f5;
+  --background: #fafffb;
+  --card: #f7fffa;
+  --foreground: #001a0a;
+  --primary-cta: #0a7039;
+  --primary-cta-text: #fafffb;
   --secondary-cta: #ffffff;
-  --secondary-cta-text: #1c1c1c;
-  --accent: #15479c;
-  --background-accent: #a8cce8;
+  --secondary-cta-text: #001a0a;
+  --accent: #a8d9be;
+  --background-accent: #6bbf8e;
 
   /* text sizing - set by ThemeProvider */
   /* --text-2xs: clamp(0.465rem, 0.62vw, 0.62rem);