feat: Disciplinas section (05) — pillars as tools

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

components/sections/__tests__/Disciplinas.test.tsx

@@ -0,0 +1,12 @@
+import { render, screen } from '@testing-library/react';
+import { describe, it, expect } from 'vitest';
+import { Disciplinas } from '../Disciplinas';
+
+describe('<Disciplinas />', () => {
+  it('renders the 3 disciplines', () => {
+    render(<Disciplinas />);
+    expect(screen.getByText('Comunicación')).toBeInTheDocument();
+    expect(screen.getByText('Digital')).toBeInTheDocument();
+    expect(screen.getByText('Experiencias')).toBeInTheDocument();
+  });
+});