feat: improve seo, trust signals, and performance

src/components/SiteHeader.astro

@@ -3,6 +3,7 @@ interface Props {
   activeNav?: string;
 }
 const { activeNav } = Astro.props;
+const whatsappAriaLabel = 'Contactar con MNQ por WhatsApp';
 
 const links = [
   { href: '/bodas-reales',         label: 'Bodas',       key: 'bodas' },
@@ -21,8 +22,8 @@ const links = [
         src="/images/logo-nav-dark.webp"
         alt="MNQ Catering y Eventos"
         class="site-logo-banner"
-        width="220"
-        height="85"
+        width="600"
+        height="232"
       />
     </a>
 
@@ -42,6 +43,7 @@ const links = [
         class="btn btn-pill nav-wa"
         target="_blank"
         rel="noreferrer"
+        aria-label={whatsappAriaLabel}
       >
         WhatsApp
       </a>
@@ -69,6 +71,7 @@ const links = [
     class="btn btn-primary mobile-wa"
     target="_blank"
     rel="noreferrer"
+    aria-label={whatsappAriaLabel}
     style="width: 100%; justify-content: center; margin-top: 0.5rem;"
   >
     Consultar por WhatsApp