{{- $title := cond .IsHome site.Title (printf "%s · %s" .Title site.Title) -}}
{{- $description := .Description | default .Summary | default site.Params.description | default site.Title | plainify -}}
{{ $title }}
{{/* Theme flash prevention — must run before */}}
{{/* SEO: OpenGraph + Twitter Cards + JSON-LD Article */}}
{{ partial "head/seo.html" . }}
{{/* RSS autodiscovery */}}
{{- with .OutputFormats.Get "RSS" }}
{{- end }}
{{/* hreflang alternates — emit only on multilingual sites */}}
{{- if hugo.IsMultilingual }}
{{- range .AllTranslations }}
{{- end }}
{{- with site.Home }}{{- end }}
{{- end }}
{{/* Pagination prev/next for SEO — only on paginated kinds with >1 page */}}
{{- if or (eq .Kind "section") (eq .Kind "taxonomy") (eq .Kind "term") }}
{{- with .Paginator }}
{{- if gt .TotalPages 1 }}
{{- if .HasPrev }}{{ end }}
{{- if .HasNext }}{{ end }}
{{- end }}
{{- end }}
{{- end }}
{{/* Favicon — SVG only; sites can override head.html to add an .ico fallback */}}
{{/* Speculation Rules — Chromium prefetch hints; gated, off by default */}}
{{- $prefetch := site.Params.prefetch -}}
{{- if and $prefetch $prefetch.enable }}
{{- end }}
{{/* Preconnect to Giscus on comment-enabled posts to shave third-party DNS+TLS handshake */}}
{{- $giscusCfg := site.Params.comments.giscus -}}
{{- if and (eq .Kind "page") $giscusCfg $giscusCfg.enable $giscusCfg.repo $giscusCfg.repoId $giscusCfg.categoryId (ne .Params.comments false) }}
{{- end }}
{{/* Theme CSS — per-page-kind bundles. Core loads everywhere; kind-specific bundles add only when needed. */}}
{{- $coreFiles := slice
(resources.Get "css/tokens.css")
(resources.Get "css/reset.css")
(resources.Get "css/typography.css")
(resources.Get "css/layout.css")
(resources.Get "css/components.css")
(resources.Get "css/view-transitions.css")
-}}
{{- $core := $coreFiles | resources.Concat "css/tsuki.core.css" | minify | fingerprint -}}
{{- if .IsHome }}
{{- $home := resources.Get "css/home.css" | minify | fingerprint -}}
{{- end }}
{{- if eq .Kind "page" }}
{{- $singleFiles := slice
(resources.Get "css/toc.css")
(resources.Get "css/callouts.css")
(resources.Get "css/comments.css")
(resources.Get "css/single-extras.css")
-}}
{{- $single := $singleFiles | resources.Concat "css/tsuki.single.css" | minify | fingerprint -}}
{{- end }}
{{- if eq .Section "archives" }}
{{- $archive := resources.Get "css/archive.css" | minify | fingerprint -}}
{{- end }}