Add custom SVG logo: interlocking O/E mark + wordmark. Update nav and footer.

assets/img/logo.svg

@@ -0,0 +1,28 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 480 120" fill="none">
+  <defs>
+    <linearGradient id="logoGrad" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="#4338ca"/>
+      <stop offset="100%" stop-color="#3b82f6"/>
+    </linearGradient>
+  </defs>
+  <!-- Icon mark: interlocking O and E with connection dot -->
+  <g transform="translate(8, 10)">
+    <!-- Outer ring (O) -->
+    <rect x="4" y="4" width="92" height="92" rx="22" stroke="url(#logoGrad)" stroke-width="7" fill="none"/>
+    <!-- Inner bar (E) -->
+    <rect x="28" y="28" width="44" height="44" rx="11" fill="url(#logoGrad)" opacity="0.15"/>
+    <path d="M36 50h28M36 38h20M36 62h16" stroke="url(#logoGrad)" stroke-width="5.5" stroke-linecap="round"/>
+    <!-- Connection dot -->
+    <circle cx="72" cy="28" r="9" fill="url(#logoGrad)"/>
+    <circle cx="72" cy="28" r="3.5" fill="#fff"/>
+  </g>
+  <!-- Wordmark -->
+  <g transform="translate(120, 18)">
+    <!-- Odoo -->
+    <text x="0" y="36" font-family="'Inter','-apple-system',sans-serif" font-weight="700" font-size="32" fill="#0f172a" letter-spacing="-0.5">Odoo</text>
+    <!-- Expertos -->
+    <text x="0" y="72" font-family="'Inter','-apple-system',sans-serif" font-weight="300" font-size="26" fill="#64748b" letter-spacing="1.5">Expertos</text>
+  </g>
+  <!-- Tagline -->
+  <text x="360" y="82" font-family="'Inter','-apple-system',sans-serif" font-weight="400" font-size="9" fill="#94a3b8" letter-spacing="0.5" text-anchor="end">Proyectos + Expertos Odoo</text>
+</svg>