Update theme colors

Merge version_3 into main

src/app/page.tsx

@@ -31,6 +31,7 @@ export default function LandingPage() {
   <div id="nav" data-section="nav">
       <NavbarStyleCentered
       navItems={[
+        { name: "Home", id: "/" },
         { name: "About", id: "#about" },
         { name: "Products", id: "#products" },
         { name: "Contact", id: "#contact" },
@@ -44,7 +45,7 @@ export default function LandingPage() {
       background={{ variant: "rotated-rays-animated" }}
       title="Science-Based Nutrition for Sustainable Livestock"
       description="Inovit delivers innovative feed additive solutions designed to improve animal health, optimize feed efficiency, and empower the future of farming."
-      buttons={[{ text: "View Our Feed Solutions", href: "/products" }]}
+      buttons={[{ text: "View Our Feed Solutions", href: "/products" }, { text: "Home", href: "/" }]}
       carouselItems={[
         { id: "h1", imageSrc: "http://img.b2bpic.net/free-photo/long-shot-herd-sheep-eating-grass-pasture_23-2148214286.jpg", imageAlt: "sustainable farming livestock field" },
         { id: "h2", imageSrc: "http://img.b2bpic.net/free-photo/high-angle-woman-feeding-sheep_23-2149535200.jpg", imageAlt: "organic animal feed texture" },

src/app/styles/variables.css

@@ -12,11 +12,11 @@
 
   --background: #ffffff;
   --card: #f9f9f9;
-  --foreground: #000f06e6;
-  --primary-cta: #0a7039;
+  --foreground: #000612e6;
+  --primary-cta: #15479c;
   --primary-cta-text: #ffffff;
   --secondary-cta: #f9f9f9;
-  --secondary-cta-text: #000f06e6;
+  --secondary-cta-text: #000612e6;
   --accent: #e2e2e2;
   --background-accent: #c4c4c4;