Mejorar SEO: schema JSON-LD, robots.txt, sitemap y meta tags

- Agregar JSON-LD (Organization, WebSite, SoftwareApplication y FAQPage)
- Crear robots.txt y sitemap.xml con sitio de producción
- Completar meta tags: robots, theme-color, og:image:type y twitter:url
- Envolver preguntas del FAQ en h3
- Registrar filtro json para Nunjucks en Eleventy

src/_includes/partials/faq.njk

@@ -10,7 +10,7 @@
   <div class="mt-10 space-y-4">
     <details class="group rounded-2xl border border-slate-200 bg-white p-6 shadow-sm open:shadow-md dark:border-slate-800 dark:bg-slate-900">
       <summary class="flex cursor-pointer list-none items-center justify-between gap-4 text-base font-bold focus:outline-none focus-visible:ring-2 focus-visible:ring-brand-500 focus-visible:ring-offset-2 dark:focus-visible:ring-offset-slate-950 [&::-webkit-details-marker]:hidden">
-        ¿Para quién es Gruperly?
+        <h3 class="text-base font-bold">¿Para quién es Gruperly?</h3>
         <svg class="h-5 w-5 shrink-0 text-brand-500 transition-transform group-open:rotate-45" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M12 5v14M5 12h14" /></svg>
       </summary>
       <p class="mt-3 text-sm leading-relaxed text-slate-600 dark:text-slate-400">
@@ -20,7 +20,7 @@
 
     <details class="group rounded-2xl border border-slate-200 bg-white p-6 shadow-sm open:shadow-md dark:border-slate-800 dark:bg-slate-900">
       <summary class="flex cursor-pointer list-none items-center justify-between gap-4 text-base font-bold focus:outline-none focus-visible:ring-2 focus-visible:ring-brand-500 focus-visible:ring-offset-2 dark:focus-visible:ring-offset-slate-950 [&::-webkit-details-marker]:hidden">
-        ¿Cómo creo mi primer grupo?
+        <h3 class="text-base font-bold">¿Cómo creo mi primer grupo?</h3>
         <svg class="h-5 w-5 shrink-0 text-brand-500 transition-transform group-open:rotate-45" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M12 5v14M5 12h14" /></svg>
       </summary>
       <p class="mt-3 text-sm leading-relaxed text-slate-600 dark:text-slate-400">
@@ -30,7 +30,7 @@
 
     <details class="group rounded-2xl border border-slate-200 bg-white p-6 shadow-sm open:shadow-md dark:border-slate-800 dark:bg-slate-900">
       <summary class="flex cursor-pointer list-none items-center justify-between gap-4 text-base font-bold focus:outline-none focus-visible:ring-2 focus-visible:ring-brand-500 focus-visible:ring-offset-2 dark:focus-visible:ring-offset-slate-950 [&::-webkit-details-marker]:hidden">
-        ¿Cómo incorporo participantes?
+        <h3 class="text-base font-bold">¿Cómo incorporo participantes?</h3>
         <svg class="h-5 w-5 shrink-0 text-brand-500 transition-transform group-open:rotate-45" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M12 5v14M5 12h14" /></svg>
       </summary>
       <p class="mt-3 text-sm leading-relaxed text-slate-600 dark:text-slate-400">
@@ -40,7 +40,7 @@
 
     <details class="group rounded-2xl border border-slate-200 bg-white p-6 shadow-sm open:shadow-md dark:border-slate-800 dark:bg-slate-900">
       <summary class="flex cursor-pointer list-none items-center justify-between gap-4 text-base font-bold focus:outline-none focus-visible:ring-2 focus-visible:ring-brand-500 focus-visible:ring-offset-2 dark:focus-visible:ring-offset-slate-950 [&::-webkit-details-marker]:hidden">
-        ¿Cómo se cobra a los participantes?
+        <h3 class="text-base font-bold">¿Cómo se cobra a los participantes?</h3>
         <svg class="h-5 w-5 shrink-0 text-brand-500 transition-transform group-open:rotate-45" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M12 5v14M5 12h14" /></svg>
       </summary>
       <p class="mt-3 text-sm leading-relaxed text-slate-600 dark:text-slate-400">
@@ -50,7 +50,7 @@
 
     <details class="group rounded-2xl border border-slate-200 bg-white p-6 shadow-sm open:shadow-md dark:border-slate-800 dark:bg-slate-900">
       <summary class="flex cursor-pointer list-none items-center justify-between gap-4 text-base font-bold focus:outline-none focus-visible:ring-2 focus-visible:ring-brand-500 focus-visible:ring-offset-2 dark:focus-visible:ring-offset-slate-950 [&::-webkit-details-marker]:hidden">
-        ¿Qué diferencia hay entre actividades recurrentes y eventos especiales?
+        <h3 class="text-base font-bold">¿Qué diferencia hay entre actividades recurrentes y eventos especiales?</h3>
         <svg class="h-5 w-5 shrink-0 text-brand-500 transition-transform group-open:rotate-45" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M12 5v14M5 12h14" /></svg>
       </summary>
       <p class="mt-3 text-sm leading-relaxed text-slate-600 dark:text-slate-400">
@@ -60,7 +60,7 @@
 
     <details class="group rounded-2xl border border-slate-200 bg-white p-6 shadow-sm open:shadow-md dark:border-slate-800 dark:bg-slate-900">
       <summary class="flex cursor-pointer list-none items-center justify-between gap-4 text-base font-bold focus:outline-none focus-visible:ring-2 focus-visible:ring-brand-500 focus-visible:ring-offset-2 dark:focus-visible:ring-offset-slate-950 [&::-webkit-details-marker]:hidden">
-        ¿Necesito una cuenta para usar Gruperly?
+        <h3 class="text-base font-bold">¿Necesito una cuenta para usar Gruperly?</h3>
         <svg class="h-5 w-5 shrink-0 text-brand-500 transition-transform group-open:rotate-45" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M12 5v14M5 12h14" /></svg>
       </summary>
       <p class="mt-3 text-sm leading-relaxed text-slate-600 dark:text-slate-400">