{{- $name := site.Params.name | default site.Title -}}
{{- $tagline := site.Params.tagline | default "" -}}
{{- $description := site.Params.bio | default $tagline | default site.Params.description -}}
{{- $avatar := site.Params.avatar -}}
{{- /* OG image resolution cascade:
       1. params.ogImage = false → emit nothing.
       2. params.ogImageUrl set → use it (1200×630 → summary_large_image).
       3. params.ogAuto = true AND ogAutoBase + ogAutoFont supplied → auto-generate
          via Hugo's images.Filter + images.Text overlay at build time.
          (Bonsai v0.5 ships infra-only; user supplies the base PNG + TTF font.)
       4. else fall back to params.avatar (square → summary card).            */ -}}
{{- $ogImageEnabled := site.Params.ogImage | default true -}}
{{- $ogImageUrl := "" -}}
{{- $twitterCard := "summary" -}}
{{- if $ogImageEnabled -}}
  {{- if site.Params.ogImageUrl -}}
    {{- $ogImageUrl = site.Params.ogImageUrl | absURL -}}
    {{- $twitterCard = "summary_large_image" -}}
  {{- else if and site.Params.ogAuto site.Params.ogAutoBase site.Params.ogAutoFont -}}
    {{- $base := resources.Get site.Params.ogAutoBase -}}
    {{- $font := resources.Get site.Params.ogAutoFont -}}
    {{- if and $base $font -}}
      {{- $titleOpts := dict "size" 72 "color" "#2b2b2b" "x" 80 "y" 220 "font" $font -}}
      {{- $generated := $base | images.Filter (images.Text $name $titleOpts) -}}
      {{- with $tagline -}}
        {{- $taglineOpts := dict "size" 36 "color" "#6b6b6b" "x" 80 "y" 340 "font" $font -}}
        {{- $generated = $generated | images.Filter (images.Text . $taglineOpts) -}}
      {{- end -}}
      {{- $ogImageUrl = $generated.Permalink -}}
      {{- $twitterCard = "summary_large_image" -}}
    {{- else if $avatar -}}
      {{- warnf "bonsai: params.ogAuto enabled but ogAutoBase/ogAutoFont resources not found; falling back to avatar" -}}
      {{- $ogImageUrl = $avatar | absURL -}}
    {{- end -}}
  {{- else if $avatar -}}
    {{- $ogImageUrl = $avatar | absURL -}}
  {{- end -}}
{{- end -}}
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover" />
<meta name="color-scheme" content="light dark" />
<title>{{ $name }}{{ with $tagline }} — {{ . }}{{ end }}</title>
{{- with $description }}
<meta name="description" content="{{ . }}" />
{{- end }}
<link rel="canonical" href="{{ .Permalink }}" />
<meta name="robots" content="{{ site.Params.robots | default `index,follow` }}" />
{{- with site.Params.themeColor }}
<meta name="theme-color" content="{{ . }}" />
{{- end }}
{{- /* hreflang alternates for multi-language sites only. */ -}}
{{- if gt (len site.Languages) 1 }}
{{- range site.Languages }}
<link rel="alternate" hreflang="{{ .Lang }}" href="{{ site.BaseURL }}{{ if not .Lang }}{{ else }}{{ .Lang }}/{{ end }}" />
{{- end }}
<link rel="alternate" hreflang="x-default" href="{{ site.BaseURL }}" />
{{- end }}
{{- if site.Params.manifest }}
<link rel="manifest" href="{{ `manifest.webmanifest` | relURL }}" />
{{- end }}

<meta property="og:type" content="profile" />
<meta property="og:url" content="{{ .Permalink }}" />
<meta property="og:title" content="{{ $name }}" />
{{- with $description }}
<meta property="og:description" content="{{ . }}" />
{{- end }}
{{- with $ogImageUrl }}
<meta property="og:image" content="{{ . }}" />
<meta name="twitter:image" content="{{ . }}" />
{{- end }}
<meta name="twitter:card" content="{{ $twitterCard }}" />

{{ partial "schema-person.html" . }}
{{ partial "schema-website.html" . }}

{{- with site.Params.faviconSvg }}
<link rel="icon" type="image/svg+xml" href="{{ . | strings.TrimPrefix "/" | relURL }}" />
{{- end }}
{{- with site.Params.favicon }}
<link rel="icon" href="{{ . | strings.TrimPrefix "/" | relURL }}" />
{{- end }}
{{- with site.Params.appleTouchIcon }}
<link rel="apple-touch-icon" href="{{ . | strings.TrimPrefix "/" | relURL }}" />
{{- end }}
{{- /* Avatar preload: only for `static/`-served paths. When avatar resolves as an
       `assets/` resource the <picture> pipeline emits its own srcset/fetchpriority
       and a fixed-path preload would be wasted (different filename + format). */ -}}
{{- if and site.Params.avatar (ne (site.Params.preloadAvatar | default true) false) (not (strings.HasPrefix site.Params.avatar "http")) (not (resources.Get (strings.TrimPrefix site.Params.avatar "/"))) }}
<link rel="preload" as="image" href="{{ site.Params.avatar | strings.TrimPrefix "/" | relURL }}" fetchpriority="high" />
{{- end }}
{{- /* Fingerprinted + minified CSS via Hugo's resource pipeline.
       integrity= attribute lets browsers / CSP `style-src 'self' 'sha384-...'`
       validate the file. */ -}}
{{- $css := resources.Get "css/bonsai.css" | resources.Minify | resources.Fingerprint "sha384" }}
<link rel="stylesheet" href="{{ $css.RelPermalink }}" integrity="{{ $css.Data.Integrity }}" crossorigin="anonymous" />
{{- if site.Params.rss }}
<link rel="alternate" type="application/rss+xml" title="{{ site.Params.name | default site.Title }}" href="{{ `index.xml` | absURL }}" />
{{- end }}
{{- if site.Params.themeToggle }}
{{- /* Inline blocking script (no FOUC): apply saved theme before first paint.
       Tiny (~140B) — meets the <3KB CSS / minimal-JS budget. */ -}}
<script>(function(){try{var t=localStorage.getItem('bonsai-theme');if(t==='light'||t==='dark')document.documentElement.dataset.theme=t;}catch(e){}})();</script>
<noscript><style>.theme-toggle{display:none!important}</style></noscript>
{{- $themeJs := resources.Get "js/theme-toggle.js" | resources.Minify | resources.Fingerprint "sha384" }}
<script defer src="{{ $themeJs.RelPermalink }}" integrity="{{ $themeJs.Data.Integrity }}" crossorigin="anonymous"></script>
{{- end }}
{{- if site.Params.share }}
{{- $shareJs := resources.Get "js/share.js" | resources.Minify | resources.Fingerprint "sha384" }}
<script defer src="{{ $shareJs.RelPermalink }}" integrity="{{ $shareJs.Data.Integrity }}" crossorigin="anonymous"></script>
{{- end }}
{{ partial "analytics-loader.html" . }}