{% enddef %}
{# AI/Agent discovery — early in for fast detection #}
{% if _per_page_md and page.href is defined and page.href is string %}
{% let _href_early = page.href %}
{% let _md_url_early = _href_early | replace('.html', '.md') if _href_early.endswith('.html') else (_href_early ~ 'index.md' if _href_early.endswith('/') else _href_early ~ '/index.md') %}
{% end %}
{% if 'llms_txt' in (config.output_formats.site_wide ?? []) %}
{% end %}
{# Document Application: View Transitions meta tag #}
{% if _view_transitions %}
{% end %}
{# Title - captured for reuse in Open Graph and Twitter Card #}
{% capture page_title %}
{% block title %}
{% match page?.title ?? none %}
{% case title if title and _site_title %}{{ title }} - {{ _site_title }}
{% case title if title %}{{ title }}
{% case _ %}{{ _site_title }}
{% end %}
{% end %}
{% endcapture %}
{{ page_title | trim }}
{# Meta description - captured for reuse in Open Graph and Twitter Card #}
{% capture meta_desc %}
{{ meta_desc ?? site.description }}
{% endcapture %}
{# Meta Keywords - use page.keywords or fallback to tags #}
{% if page?.keywords ?? none %}
{% elif page?.tags ?? none %}
{% end %}
{# Robots directive for hidden/unlisted pages #}
{% if (page?.robots_meta ?? none) and page.robots_meta != 'index, follow' %}
{% end %}
{# Content Signals — per-page AI directives (only when restricted) #}
{% let _ai_train = page?.in_ai_train ?? true %}
{% let _ai_input = page?.in_ai_input ?? true %}
{% if not _ai_train or not _ai_input %}
{% end %}
{# Open Graph / Facebook #}
{% if meta_desc %}
{% end %}
{% if site.baseurl %}
{% end %}
{# Open Graph Image #}
{% let _og_image_path = og_image(params?.image ?? config?.og_image ?? '', page) %}
{% if _og_image_path %}
{% end %}
{# Twitter Card #}
{% if meta_desc %}
{% end %}
{% if _og_image_path %}
{% end %}
{# Bengal config meta #}
{% if bengal?.capabilities?.prebuilt_search ?? false %}
{% end %}
{% if page?.version ?? none %}
{% end %}
{# Canonical URL #}
{% if site.baseurl %}
{% end %}
{# RSS Feed #}
{% with (config?.i18n ?? none) as i18n %}
{% let rss_href = '/rss.xml' %}
{% if i18n and i18n.strategy == 'prefix' %}
{% let default_lang = i18n.default_language ?? 'en' %}
{% if _current_lang and (i18n.default_in_subdir or _current_lang != default_lang) %}
{% let rss_href = '/' ~ _current_lang ~ '/rss.xml' %}
{% end %}
{% end %}
{% end %}
{# hreflang alternates #}
{% for alt in alternate_links(page) %}
{% end %}
{# Favicon, preconnect, fonts, stylesheets — site-stable, same for every page in a build #}
{% cache 'base-head-assets-' ~ (bengal.build.timestamp ?? '') %}
{# Favicon - use let for safer nil handling #}
{% let favicon_path = site.favicon ?? none %}
{% if favicon_path %}
{% else %}
{% end %}
{# Preconnect #}
{# Fonts #}
{% if config?.fonts ?? none %}
{% end %}
{# Stylesheets #}
{% if _view_transitions %}
{% end %}
{% if 'content.math' in (theme.features ?? []) %}
{% end %}
{% end %}{# /cache base-head-assets #}
{# Theme init scripts — site-stable, same for every page in a build #}
{% cache 'base-theme-init-' ~ (bengal.build.timestamp ?? '') %}
{# Theme configuration JS #}
{# Inline theme init #}
{% end %}{# /cache base-theme-init #}
{% block extra_head %}{% end %}
{% cache 'base-meta-generator-' ~ (bengal.build.timestamp ?? '') %}
{% include 'partials/meta-generator.html' %}
{% end %}{# /cache base-meta-generator #}
{% include 'partials/article-jsonld.html' %}
{% include 'partials/product-jsonld.html' %}
{% if 'accessibility.skip_link' in (theme.features ?? []) %}
Skip to main content
{% end %}
{# Header #}
{% let _header_sticky = theme.header_sticky ?? true %}
{% let _header_nav_position = theme.header_nav_position ?? 'left' %}
{% block content %}{% end %}
{# Search Modal Block — placed after so content starts early in DOM #}
{% block site_search_modal %}
{% cache 'base-search-modal-' ~ _current_lang ~ '-' ~ (bengal.build.timestamp ?? '') %}
{% with (config?.search?.ui ?? none) as ui %}
{% if ui and (ui?.modal ?? false) %}
{% end %}
{% end %}
{% end %}{# /cache base-search-modal #}
{% end %}
{# Mobile Navigation — placed after so content starts early in DOM #}
{# Footer #}
{% block site_footer %}
{% cache 'base-footer-' ~ _current_lang ~ '-' ~ (bengal.build.timestamp ?? '') %}
{% end %}{# /cache base-footer #}
{% end %}
{# Scripts #}
{% block site_scripts %}
{% cache 'base-scripts-' ~ (bengal.build.timestamp ?? '') %}
{% if config.assets.bundle_js ?? false %}
{% else %}
{% if site.build_badge.enabled %}
{% end %}
{% if 'content.lightbox' in theme.features %}
{% end %}
{% if 'content.math' in (theme.features ?? []) %}
{% end %}
{% include "partials/link-previews.html" %}
{% end %}
{% end %}{# /cache base-scripts #}
{% end %}
{% block extra_js %}{% end %}
{# Speculation Rules — moved after content for faster content-start position #}
{% cache 'base-speculation-' ~ (bengal.build.timestamp ?? '') %}
{% with _doc_app.speculation as speculation %}
{% if _doc_app.enabled and speculation.enabled and (_doc_app.features?.speculation_rules ?? true) %}
{% end %}
{% end %}
{% end %}{# /cache base-speculation #}
{# Bootstrap metadata — moved after content for faster content-start position #}
{% if config?.expose_metadata_json ?? false %}
{% end %}
{% block site_dialogs %}
{% if 'navigation.back_to_top' in theme.features %}{% end %}
{% if 'content.lightbox' in theme.features %}
{% end %}
{% end %}