ui: Archiv/Library mit Titel oben, Archiv-Atlas zeigt 10 + 'alle →'; Logo +10%, Masthead-Abstände +20%

- Archiv-Root + Library-Übersicht bekommen einen section-title ganz oben.
- Archiv-Atlas: letzte 10 statt 6 pro Kategorie, 'alle in … →' am Block-Ende.
- Subsektionen rendern ihren Intro (.Content) nach dem Header.
- Wordmark clamp 140-200 → 154-220 (+10%); Header-Padding 0.4rem/2px → 0.48rem/2.4px,
  Logo↔Menü 0.1→0.12em (+20%).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

layouts/archiv/list.html

@@ -1,9 +1,8 @@
 {{ define "main" }}
-  {{ .Content }}
-
-  {{ if .IsSection }}
-    {{ if eq .Path "/archiv" }}
-      {{/* Archiv root: Atlas — gruppiert nach Untersection */}}
+  {{ if eq .Path "/archiv" }}
+      {{/* Archiv root: Titel + Intro + Atlas (je Kategorie die letzten 10) */}}
+      <header class="section-header"><h1 class="section-title">{{ .Title }}</h1></header>
+      {{ .Content }}
       <section class="atlas">
         {{ range .Sections.ByWeight }}
           {{ $section := path.Base .RelPermalink }}
@@ -11,14 +10,14 @@
             <h2><a href="{{ .RelPermalink }}">{{ .Title }}</a></h2>
             {{ with .Params.description }}<p class="text-muted">{{ . }}</p>{{ end }}
             <ul class="atlas-list">
-              {{ range first 6 .RegularPages.ByDate.Reverse }}
+              {{ range first 10 .RegularPages.ByDate.Reverse }}
                 <li>
                   <a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a>
                   <span class="list-meta text-muted"> · {{ partial "date.html" .Date }}</span>
                 </li>
               {{ end }}
             </ul>
-            {{ if gt (len .RegularPages) 6 }}
+            {{ if gt (len .RegularPages) 10 }}
               <p class="more"><a href="{{ .RelPermalink }}">alle in {{ .Title }} →</a></p>
             {{ end }}
           </article>
@@ -45,6 +44,8 @@
         {{ with .Params.description }}<p class="section-description">{{ . }}</p>{{ end }}
       </header>
 
+      {{ .Content }}
+
       {{ $tools := where .RegularPages "Params.external" "!=" nil }}
       {{ $texts := where .RegularPages "Params.external" nil }}
 
@@ -91,6 +92,7 @@
         <h1 class="section-title">{{ .Title }}</h1>
         {{ with .Params.description }}<p class="section-description">{{ . }}</p>{{ end }}
       </header>
+      {{ .Content }}
       <div class="time-list" data-section="{{ $section }}">
         <ul>
           {{ range .RegularPages.ByDate.Reverse }}
@@ -109,5 +111,4 @@
         </ul>
       </div>
     {{ end }}
-  {{ end }}
 {{ end }}