{{/* ---- Resolved values ---- */}}
{{ $title       := cond .IsHome .Site.Title (printf "%s | %s" .Title .Site.Title) }}
{{ $description := or .Description (i18n "siteDescription") }}
{{ $url         := .Permalink }}
{{ $lang        := .Site.Language.Lang }}
{{ $locale      := replace .Site.LanguageCode "-" "_" }}
{{ $ogImage     := .Site.Params.ogImage }}
{{ $logoImage   := or .Site.Params.logoImage .Site.Params.ogImage }}
{{ $imageAlt    := i18n "seoImageAlt" }}

{{/* ---- Canonical ---- */}}
<link rel="canonical" href="{{ $url }}">

{{/* ---- Meta robots ---- */}}
{{ if or .Params.noindex .Draft }}
  <meta name="robots" content="noindex, nofollow">
{{ else }}
  <meta name="robots" content="index, follow">
{{ end }}

{{/* ---- Meta description ---- */}}
{{ with $description }}
  <meta name="description" content="{{ . | plainify | truncate 160 }}">
{{ end }}

{{/* ---- Hreflang alternates ---- */}}
{{ range .AllTranslations }}
  <link rel="alternate" hreflang="{{ .Language.Lang }}" href="{{ .Permalink }}">
{{ end }}
{{ range .AllTranslations }}
  {{ if eq .Language.Weight 1 }}
    <link rel="alternate" hreflang="x-default" href="{{ .Permalink }}">
  {{ end }}
{{ end }}

{{/* ---- Open Graph ---- */}}
<meta property="og:site_name" content="{{ .Site.Title }}">
<meta property="og:title" content="{{ $title }}">
<meta property="og:description" content="{{ $description | plainify | truncate 200 }}">
<meta property="og:url" content="{{ $url }}">
<meta property="og:locale" content="{{ $locale }}">
{{ if .IsHome }}
  <meta property="og:type" content="website">
{{ else }}
  <meta property="og:type" content="article">
{{ end }}
{{ with $ogImage }}
  <meta property="og:image" content="{{ . | absURL }}">
  <meta property="og:image:secure_url" content="{{ . | absURL }}">
  <meta property="og:image:alt" content="{{ $imageAlt }}">
  <link rel="image_src" href="{{ . | absURL }}">
{{ end }}

{{/* ---- Twitter Card ---- */}}
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="{{ $title }}">
<meta name="twitter:description" content="{{ $description | plainify | truncate 200 }}">
{{ with .Site.Params.twitterHandle }}
  <meta name="twitter:site" content="{{ . }}">
{{ end }}
{{ with $ogImage }}
  <meta name="twitter:image" content="{{ . | absURL }}">
  <meta name="twitter:image:alt" content="{{ $imageAlt }}">
{{ end }}

{{/* ---- JSON-LD Organization (home only) ---- */}}
{{ if .IsHome }}
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "{{ .Site.Title }}",
  "url": "{{ .Site.BaseURL }}",
  "description": "{{ i18n "siteDescription" | plainify }}",
  "logo": "{{ $logoImage | absURL }}",
  "sameAs": [
    {{ with .Site.Params.repositoryUrl }}"{{ . }}"{{ end }}
  ]
}
</script>
{{ end }}

{{/* ---- JSON-LD WebSite (home only — enables sitelinks search) ---- */}}
{{ if .IsHome }}
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "name": "{{ .Site.Title }}",
  "url": "{{ .Site.BaseURL }}"
}
</script>
{{ end }}