feat(disciplinas): tres hebras que confluyen en una estrategia

components/primitives/IlustracionConvergencia.tsx

@@ -0,0 +1,45 @@
+'use client';
+
+import { motion } from 'framer-motion';
+import { useEnVista } from '@/lib/motion';
+
+// Three strands — comunicación, digital, experiencias — meeting and leaving as
+// a single gold line. The section's own lead, drawn: "No son la promesa, son
+// los medios." The three are grey; only what they produce is gold.
+const HEBRAS = [
+  'M6 18 C 60 20, 90 52, 120 60',
+  'M6 60 C 60 60, 90 60, 120 60',
+  'M6 102 C 60 100, 90 68, 120 60',
+];
+const ESTRATEGIA = 'M120 60 L 214 60';
+
+export function IlustracionConvergencia({ className = '' }: { className?: string }) {
+  const { ref, enVista, reduced } = useEnVista();
+
+  // Plain <path> under reduced motion — motion.path would hide the drawing.
+  if (reduced) {
+    return (
+      <svg ref={ref} viewBox="0 0 220 120" className={className} aria-hidden="true" focusable="false">
+        {HEBRAS.map((d) => (
+          <path key={d} d={d} fill="none" stroke="currentColor" className="text-gris-medio" strokeWidth={2} strokeLinecap="round" />
+        ))}
+        <path d={ESTRATEGIA} fill="none" stroke="currentColor" className="text-dorado" strokeWidth={3.5} strokeLinecap="round" />
+      </svg>
+    );
+  }
+
+  const dibuja = (delay: number) => ({
+    initial: { pathLength: 0 },
+    animate: enVista ? { pathLength: 1 } : { pathLength: 0 },
+    transition: { duration: 1, delay, ease: [0.22, 1, 0.36, 1] as const },
+  });
+
+  return (
+    <svg ref={ref} viewBox="0 0 220 120" className={className} aria-hidden="true" focusable="false">
+      {HEBRAS.map((d, i) => (
+        <motion.path key={d} d={d} fill="none" stroke="currentColor" className="text-gris-medio" strokeWidth={2} strokeLinecap="round" {...dibuja(i * 0.12)} />
+      ))}
+      <motion.path d={ESTRATEGIA} fill="none" stroke="currentColor" className="text-dorado" strokeWidth={3.5} strokeLinecap="round" {...dibuja(0.7)} />
+    </svg>
+  );
+}

components/primitives/__tests__/IlustracionConvergencia.test.tsx

@@ -0,0 +1,17 @@
+import { render } from '@testing-library/react';
+import { describe, it, expect } from 'vitest';
+import { IlustracionConvergencia } from '../IlustracionConvergencia';
+
+describe('<IlustracionConvergencia />', () => {
+  it('is decorative: hidden from assistive tech', () => {
+    const { container } = render(<IlustracionConvergencia />);
+    const svg = container.querySelector('svg');
+    expect(svg).toHaveAttribute('aria-hidden', 'true');
+    expect(svg).toHaveAttribute('focusable', 'false');
+  });
+
+  it('draws one strand per discipline plus the strategy they serve', () => {
+    const { container } = render(<IlustracionConvergencia />);
+    expect(container.querySelectorAll('path')).toHaveLength(4);
+  });
+});