feat: slim Footer strip with wordmark, tagline and legal line

components/layout/__tests__/Footer.test.tsx

@@ -0,0 +1,15 @@
+import { render, screen } from '@testing-library/react';
+import { describe, it, expect } from 'vitest';
+import { Footer } from '../Footer';
+
+describe('<Footer />', () => {
+  it('renders the tagline and the legal line', () => {
+    render(<Footer />);
+    expect(screen.getByText('tu estratega de crecimiento')).toBeInTheDocument();
+    expect(screen.getByText(/© 2026 creeer/)).toBeInTheDocument();
+  });
+  it('does not introduce a second h1', () => {
+    render(<Footer />);
+    expect(screen.queryByRole('heading', { level: 1 })).toBeNull();
+  });
+});