feat(home): Featured-Post-Layout, Termine-Look, Zitat-Sektion, Typo-Regelwerk

- PostOverview: neues design "featured" (1 großer Post links, Rest kompakt
  rechts als PostCardCompact – Bild links, Text rechts, keine Nested-Links)
- CalendarCompact: Termine als Liste mit Datum-Badge + Kicker-Headline
- QuoteCarousel: dunkle Full-Bleed-Sektion, Lora-Zitat mit «», Author-Split,
  Kicker mit Sektionsnummer, Pill-Pagination + Pfeile/Swipe
- Typo-Regelwerk: Lora statt Aleo (Zitate), Headings semibold (600),
  H2/H3-Skala, "Weiterlesen"-Link-Muster, docs/typography.md
- HeadlineBlock: \n → <br> für bewusste Umbrüche
- Layout: neues spaceTop-Feld (mt-*), analog spaceBottom
- OrganisationsBlock: CTA volle Breite, Button rechts

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/lib/components/blocks/OrganisationsBlock.svelte

@@ -141,16 +141,18 @@
     href={addOrganisationCtaLink?.url}
     target={addOrganisationCtaLink?.newTab ? "_blank" : undefined}
     rel={addOrganisationCtaLink?.newTab ? "noopener noreferrer" : undefined}
-    class="h-full w-full max-w-full md:max-w-md"
+    class="h-full w-full max-w-full md:flex-row md:items-center md:justify-between md:gap-4"
   >
-    {#if block.addOrganisationTitle}
-      <h5 class="text-xl font-semibold text-wald-800 leading-snug">{block.addOrganisationTitle}</h5>
-    {/if}
-    {#if ctaHtml}
-      <div class="markdown text-xs text-wald-700">{@html ctaHtml}</div>
-    {/if}
+    <div class="flex flex-col gap-1.5 min-w-0">
+      {#if block.addOrganisationTitle}
+        <h5 class="text-xl font-semibold text-wald-800 leading-snug">{block.addOrganisationTitle}</h5>
+      {/if}
+      {#if ctaHtml}
+        <div class="markdown text-xs text-wald-700">{@html ctaHtml}</div>
+      {/if}
+    </div>
     {#if addOrganisationCtaLink}
-      <div class="self-start">
+      <div class="self-start md:self-center md:shrink-0">
         <Button variant="primary" size="sm">
           {addOrganisationCtaLink.linkName}
         </Button>