Remove CTA button from mobile

src/lib/feature-flags.ts

@@ -0,0 +1,21 @@
+export function parseBooleanFlag(value: string | undefined, defaultValue = false) {
+  if (value == null) {
+    return defaultValue;
+  }
+
+  const normalized = value.trim().toLowerCase();
+
+  if (['1', 'true', 'yes', 'on', 'enabled'].includes(normalized)) {
+    return true;
+  }
+
+  if (['0', 'false', 'no', 'off', 'disabled'].includes(normalized)) {
+    return false;
+  }
+
+  return defaultValue;
+}
+
+export function isMobileCtaButtonEnabled() {
+  return parseBooleanFlag(import.meta.env.PUBLIC_ENABLE_MOBILE_CTA_BUTTON, false);
+}