diff --git a/_includes/components/atoms/real-resources.html b/_includes/components/atoms/real-resources.html
index 6f6cd21..b121746 100644
--- a/_includes/components/atoms/real-resources.html
+++ b/_includes/components/atoms/real-resources.html
@@ -3,16 +3,25 @@
 placeholders (example.com) and keeping one entry per resource name.
 Usage: {% assign topic_data = site.data[page.lang][page.data_folder] %}{% include components/atoms/real-resources.html node=topic_data %}
 Sets: real_resources (array of {name, url, description, …}), real_resource_total (number)
-Accepts a node whose values are resource lists (category files) or folders of lists (subcategories).
+Accepts a subcategory (type → list), a category (files and subcategory folders) or a whole language.
 {%- endcomment -%}
+{%- comment -%} Up to three levels: lists of resources, files (type → list), and folders (subcategory → files). {%- endcomment -%}
 {%- assign real_collected = '' | split: '' -%}
 {%- for entry in include.node -%}
-  {%- assign entry_value = entry[1] -%}
-  {%- if entry_value.first.url or entry_value.first.name -%}
-    {%- for r in entry_value -%}{%- if r.url -%}{%- unless r.url contains 'example.com' -%}{%- assign real_collected = real_collected | push: r -%}{%- endunless -%}{%- endif -%}{%- endfor -%}
+  {%- assign level1 = entry[1] -%}
+  {%- if level1.first.url or level1.first.name -%}
+    {%- for r in level1 -%}{%- if r.url -%}{%- unless r.url contains 'example.com' -%}{%- assign real_collected = real_collected | push: r -%}{%- endunless -%}{%- endif -%}{%- endfor -%}
   {%- else -%}
-    {%- for file in entry_value -%}
-      {%- if file[1].first.url -%}{%- for r in file[1] -%}{%- if r.url -%}{%- unless r.url contains 'example.com' -%}{%- assign real_collected = real_collected | push: r -%}{%- endunless -%}{%- endif -%}{%- endfor -%}{%- endif -%}
+    {%- for child in level1 -%}
+      {%- assign level2 = child[1] -%}
+      {%- if level2.first.url or level2.first.name -%}
+        {%- for r in level2 -%}{%- if r.url -%}{%- unless r.url contains 'example.com' -%}{%- assign real_collected = real_collected | push: r -%}{%- endunless -%}{%- endif -%}{%- endfor -%}
+      {%- else -%}
+        {%- for file in level2 -%}
+          {%- assign level3 = file[1] -%}
+          {%- if level3.first.url -%}{%- for r in level3 -%}{%- if r.url -%}{%- unless r.url contains 'example.com' -%}{%- assign real_collected = real_collected | push: r -%}{%- endunless -%}{%- endif -%}{%- endfor -%}{%- endif -%}
+        {%- endfor -%}
+      {%- endif -%}
     {%- endfor -%}
   {%- endif -%}
 {%- endfor -%}
diff --git a/_includes/components/organisms/footer.html b/_includes/components/organisms/footer.html
index aee9985..dd25789 100644
--- a/_includes/components/organisms/footer.html
+++ b/_includes/components/organisms/footer.html
@@ -9,8 +9,8 @@
 {%- assign footer_menu = site.data[footer_lang].menu -%}
 {%- assign footer_subcategories = 0 -%}{%- assign footer_sections = 0 -%}
 {%- for category in footer_menu -%}{%- assign footer_subcategories = footer_subcategories | plus: category.children.size -%}{%- for subcategory in category.children -%}{%- assign footer_sections = footer_sections | plus: subcategory.children.size -%}{%- endfor -%}{%- endfor -%}
-{%- assign footer_data = site.data[footer_lang] -%}{%- include components/atoms/real-resources.html node=footer_data -%}
-{%- assign footer_resources = real_resource_total -%}
+{%- comment -%} Computed once per build by _plugins/resource_stats.rb. {%- endcomment -%}
+{%- assign footer_resources = site.data.resource_stats[footer_lang].resources | default: 0 -%}
 
 <footer class="bg-white border-t border-gray-200 pt-10 pb-8 mt-10 text-sm">
   <div class="container mx-auto px-4">
diff --git a/_layouts/categories.html b/_layouts/categories.html
index 5813770..a7ff09d 100644
--- a/_layouts/categories.html
+++ b/_layouts/categories.html
@@ -15,9 +15,7 @@
   {%- assign subcategory_total = subcategory_total | plus: category.children.size -%}
   {%- for subcategory in category.children -%}{%- assign section_total = section_total | plus: subcategory.children.size -%}{%- endfor -%}
 {%- endfor -%}
-{%- assign library_data = site.data[lang] -%}
-{%- include components/atoms/real-resources.html node=library_data -%}
-{%- assign library_resources = real_resource_total -%}
+{%- assign library_resources = site.data.resource_stats[lang].resources | default: 0 -%}
 {%- assign issue_body = page.url | absolute_url | url_encode -%}
 {%- capture suggest_title -%}{% if pt %}Sugestão de categoria ou recurso{% else %}Category or resource suggestion{% endif %}{%- endcapture -%}
 {%- assign suggest_title_enc = suggest_title | url_encode -%}
diff --git a/_layouts/topic.html b/_layouts/topic.html
index 65367e7..e9e0056 100644
--- a/_layouts/topic.html
+++ b/_layouts/topic.html
@@ -26,11 +26,10 @@
 {%- if parent -%}{%- assign level = 'subcategory' -%}{%- endif -%}
 {%- assign children = node.children | default: page.children -%}
 {%- assign url_parts = page.url | split: '/' -%}
-{%- if level == 'subcategory' -%}
-  {%- assign topic_data = site.data[lang][url_parts[2]][url_parts[3]] -%}
-{%- else -%}
-  {%- assign topic_data = site.data[lang][url_parts[2]] -%}
-{%- endif -%}
+{%- comment -%} Liquid 4 cannot parse nested brackets (data[a[2]]), so the path parts are assigned first. {%- endcomment -%}
+{%- assign category_key = url_parts[2] -%}{%- assign subcategory_key = url_parts[3] -%}
+{%- assign topic_data = site.data[lang][category_key] -%}
+{%- if level == 'subcategory' -%}{%- assign topic_data = topic_data[subcategory_key] -%}{%- endif -%}
 {%- include components/atoms/real-resources.html node=topic_data -%}
 {%- assign section_total = 0 -%}
 {%- if level == 'category' -%}{%- for child in children -%}{%- assign section_total = section_total | plus: child.children.size -%}{%- endfor -%}{%- endif -%}
@@ -151,10 +150,10 @@ <h2 id="resources" class="text-xl font-semibold border-b border-gray-200 pb-2 mb
         {%- endif -%}
         {%- assign shown = '' | split: '' -%}
         {%- for resource_type in resource_types -%}
-          {%- assign rt = resource_type | split: '|' -%}
+          {%- assign rt = resource_type | split: '|' -%}{%- assign rt_key = rt[0] -%}
           {%- assign listed = '' | split: '' -%}
-          {%- for r in real_resources -%}{%- if r.ipl_group == rt[0] -%}{%- assign listed = listed | push: r -%}{%- endif -%}{%- endfor -%}
-          {%- if level == 'subcategory' -%}{%- assign listed = '' | split: '' -%}{%- for r in topic_data[rt[0]] -%}{%- if r.url -%}{%- unless r.url contains 'example.com' -%}{%- assign listed = listed | push: r -%}{%- endunless -%}{%- endif -%}{%- endfor -%}{%- endif -%}
+          {%- for r in real_resources -%}{%- if r.ipl_group == rt_key -%}{%- assign listed = listed | push: r -%}{%- endif -%}{%- endfor -%}
+          {%- if level == 'subcategory' -%}{%- assign listed = '' | split: '' -%}{%- for r in topic_data[rt_key] -%}{%- if r.url -%}{%- unless r.url contains 'example.com' -%}{%- assign listed = listed | push: r -%}{%- endunless -%}{%- endif -%}{%- endfor -%}{%- endif -%}
           {%- if listed.size > 0 %}
         <h3 class="flex items-center gap-2 font-semibold text-gray-800 mt-4 mb-1"><i class="fas {{ rt[1] }} text-blue-600" aria-hidden="true"></i>{{ rt[2] }} <span class="text-xs font-normal text-gray-600">({{ listed.size }})</span></h3>
         <ul class="divide-y divide-gray-100" role="list">
diff --git a/_plugins/resource_stats.rb b/_plugins/resource_stats.rb
new file mode 100644
index 0000000..7aca301
--- /dev/null
+++ b/_plugins/resource_stats.rb
@@ -0,0 +1,31 @@
+# Library totals (spec 002): unique curated resources per language, computed once per build instead of walking
+# every data file from the footer of each page. Placeholders (example.com hosts) are not counted, and a resource
+# listed in several subcategories counts once (by name, as components/atoms/real-resources.html does).
+module IPL
+  class ResourceStats < Jekyll::Generator
+    priority :high
+    PLACEHOLDER = %r{\Ahttps?://(?:[^/]+\.)?example\.(?:com|org|net)(?:[/:?#]|\z)}i
+
+    def generate(site)
+      site.data['resource_stats'] = site.config.fetch('languages', []).to_h do |language|
+        code = language['code']
+        [code, { 'resources' => names(site.data[code]).uniq.size }]
+      end
+    end
+
+    private
+
+    # Resource names anywhere under a language's data: lists of entries, files and subcategory folders.
+    def names(node)
+      case node
+      when Array then node.flat_map { |item| resource?(item) ? [item['name']] : names(item) }
+      when Hash then resource?(node) ? [node['name']] : node.except('menu', 'translations').values.flat_map { |value| names(value) }
+      else []
+      end
+    end
+
+    def resource?(item)
+      item.is_a?(Hash) && item['url'].is_a?(String) && item['name'] && !item['url'].match?(PLACEHOLDER)
+    end
+  end
+end
diff --git a/test/build_output_test.rb b/test/build_output_test.rb
index a9e2b5d..edc1ab4 100644
--- a/test/build_output_test.rb
+++ b/test/build_output_test.rb
@@ -25,6 +25,24 @@ def test_pages_use_the_ipl_brand_favicons
     assert File.file?(File.join(SiteBuild.site.dest, 'favicon.ico'))
   end
 
+  # Curated resources reach the pages (Liquid 4 cannot read data[a[2]], which hid them all) and library totals
+  # count resources inside subcategory folders.
+  def test_subcategory_pages_list_their_curated_resources
+    html = SiteBuild.output('pt-BR/marketing/seo/index.html')
+
+    refute_includes html, 'Ainda não há recursos selecionados'
+    assert_operator html.scan(/rel="noopener" class="font-semibold text-blue-700/).size, :>=, 10
+  end
+
+  def test_library_totals_count_every_curated_resource
+    stats = SiteBuild.site.data['resource_stats']
+    html = SiteBuild.output('en-US/categories/index.html')
+
+    assert_operator stats['en-US']['resources'], :>, 1000
+    assert_operator stats['pt-BR']['resources'], :>, 1000
+    assert_includes html, "<dd>#{stats['en-US']['resources']}</dd>"
+  end
+
   # Spec 001 AC3: an encyclopedia must not show invented numbers, placeholder
   # knowledge, dead actions or the build time presented as an edit date.
   FABRICATED = [