feat: primitives (Wordmark, Container, CTA) with tests

components/primitives/CTA.tsx

@@ -0,0 +1,16 @@
+type Variant = 'light' | 'dark';
+const styles: Record<Variant, string> = {
+  light: 'bg-ink text-base hover:bg-ink/90',
+  dark: 'bg-gold-bright text-ink hover:bg-gold-bright/90',
+};
+
+export function CTA({ href, label, variant = 'light', className = '' }: { href: string; label: string; variant?: Variant; className?: string }) {
+  return (
+    <a
+      href={href}
+      className={`inline-block font-sans font-bold uppercase tracking-wider px-7 py-3.5 text-sm transition-colors ${styles[variant]} ${className}`}
+    >
+      {label} <span aria-hidden="true">→</span>
+    </a>
+  );
+}