refactor: update cyan accent colors from cyan-500 to cyan-400 across Button, Text, and multiple page components for consistent branding

- Changed Button solid cyan variant hover from bg-cyan-600 to bg-cyan-400 and active from bg-cyan-600 to bg-cyan-500
- Changed Button outline variants hover/active states from cyan-500 to cyan-400 across cyan, gray, and white variants
- Changed Button link dark variant hover from text-cyan-500 to text-cyan-400
- Changed Text component accent and cyan color variants

src/pages/cloud/CloudFeatures.tsx

@@ -254,8 +254,8 @@ function CloudFeaturesDesktop() {
             className={clsx(
               'relative rounded-2xl outline-2 transition-all duration-300 ease-in-out hover:scale-105 hover:bg-gray-800/30 ml-16',
               selectedIndex === featureIndex
-                ? 'outline-cyan-500'
-                : 'outline-transparent hover:outline-cyan-500',
+                ? 'outline-cyan-400'
+                : 'outline-transparent hover:outline-cyan-400',
             )}
           >
             {featureIndex === selectedIndex && (