{% extends "base.html" %}

{% block extrahead %}
  {#- Open Graph / Twitter tags. The theme emits a description but no social
      metadata, so links shared elsewhere render without a title or preview. -#}
  {% set title = config.site_name if not page or not page.title or page.url in ("", "/", "index.html") else page.title ~ " - " ~ config.site_name %}
  {% set description = page.meta.description if page and page.meta and page.meta.description else config.site_description %}
  {#- Drop a 1200x630 PNG at docs/assets/img/social-card.png and set
      social_card = true in [project.extra] to switch to a wide banner card. -#}
  {% set social_card = config.extra.social_card %}
  {% set image = config.site_url ~ "/assets/img/" ~ ("social-card.png" if social_card else "logo.png") %}

  <meta property="og:type" content="website">
  <meta property="og:site_name" content="{{ config.site_name }}">
  <meta property="og:title" content="{{ title }}">
  <meta property="og:description" content="{{ description }}">
  <meta property="og:image" content="{{ image }}">
  <meta property="og:url" content="{{ page.canonical_url if page and page.canonical_url else config.site_url }}">

  <meta name="twitter:card" content="{{ "summary_large_image" if social_card else "summary" }}">
  <meta name="twitter:title" content="{{ title }}">
  <meta name="twitter:description" content="{{ description }}">
  <meta name="twitter:image" content="{{ image }}">
{% endblock %}