diff --git a/src/deck/Deck.vue b/src/deck/Deck.vue
index 4b8c774..1906196 100644
--- a/src/deck/Deck.vue
+++ b/src/deck/Deck.vue
@@ -9,8 +9,8 @@ import VisionSlide from './slides/VisionSlide.vue'
 import NetworkSlide from './slides/NetworkSlide.vue'
 import TechSlide from './slides/TechSlide.vue'
 import EntitiesSlide from './slides/EntitiesSlide.vue'
-import ArchipelagoSlide from './slides/ArchipelagoSlide.vue'
-import SolunarSlide from './slides/SolunarSlide.vue'
+import SolLunarSlide from './slides/SolLunarSlide.vue'
+import FestivalsSlide from './slides/FestivalsSlide.vue'
 import ChateauSlide from './slides/ChateauSlide.vue'
 import GallerySlide from './slides/GallerySlide.vue'
 import EcosystemSlide from './slides/EcosystemSlide.vue'
@@ -26,10 +26,10 @@ const slides = [
   { id: 'title', label: 'Title', component: TitleSlide },
   { id: 'vision', label: 'Vision', component: VisionSlide },
   { id: 'network', label: 'The network', component: NetworkSlide },
-  { id: 'tech', label: 'Core stack', component: TechSlide },
-  { id: 'entities', label: 'Three entities', component: EntitiesSlide },
-  { id: 'archipelago', label: 'Archipelago', component: ArchipelagoSlide },
-  { id: 'solunar', label: 'SolLunar Society', component: SolunarSlide },
+  { id: 'archipelago', label: 'Archipelago', component: TechSlide },
+  { id: 'entities', label: 'Three experiences', component: EntitiesSlide },
+  { id: 'sollunar', label: 'SolLunar Punk Society', component: SolLunarSlide },
+  { id: 'festivals', label: 'Pop-up Festivals', component: FestivalsSlide },
   { id: 'chateau', label: 'Chateau du Faune', component: ChateauSlide },
   { id: 'gallery', label: 'Gallery', component: GallerySlide },
   { id: 'ecosystem', label: 'One membership', component: EcosystemSlide },
diff --git a/src/deck/components/EntityDetail.vue b/src/deck/components/EntityDetail.vue
index bb7fc68..746afc4 100644
--- a/src/deck/components/EntityDetail.vue
+++ b/src/deck/components/EntityDetail.vue
@@ -18,6 +18,7 @@ const a = props.entity.accent
       >
         {{ entity.role }}
       </span>
+      <span v-if="entity.example" class="text-sm text-sand-dim">e.g. {{ entity.example }}</span>
       <PlaceholderBadge label="name" />
     </div>
     <p class="mt-4 max-w-2xl text-lg text-sand-dim">{{ entity.blurb }}</p>
@@ -68,7 +69,7 @@ const a = props.entity.accent
         </div>
         <div class="flex items-center gap-2 rounded-2xl border border-white/10 bg-white/[0.03] px-4 py-3 text-xs text-sand-dim">
           <Icon name="Layers" class="size-4 text-amber-300" />
-          Runs the full core stack — same membership, kiosk &amp; app as every node.
+          Runs on Archipelago — same membership, kiosk &amp; app as every node.
         </div>
       </div>
     </div>
diff --git a/src/deck/slides/CostBreakdownSlide.vue b/src/deck/slides/CostBreakdownSlide.vue
index 0ce8972..7d01e42 100644
--- a/src/deck/slides/CostBreakdownSlide.vue
+++ b/src/deck/slides/CostBreakdownSlide.vue
@@ -5,9 +5,9 @@ import PlaceholderBadge from '../components/PlaceholderBadge.vue'
 import { costCategories, categoryTotal, fmtUsd } from '../data'
 
 const text: Record<string, string> = {
-  amber: 'text-amber-300',
   pine: 'text-pine-300',
   indigo: 'text-indigo-300',
+  rose: 'text-rose-300',
   clay: 'text-clay-400',
 }
 </script>
diff --git a/src/deck/slides/EntitiesSlide.vue b/src/deck/slides/EntitiesSlide.vue
index c72c7ac..a09750c 100644
--- a/src/deck/slides/EntitiesSlide.vue
+++ b/src/deck/slides/EntitiesSlide.vue
@@ -1,18 +1,20 @@
 <script setup lang="ts">
 import SlideFrame from '../components/SlideFrame.vue'
 import Icon from '../components/Icon.vue'
-import { entities, accentText, accentRing } from '../data'
+import { surfaceEntities, entityById, accentText, accentRing } from '../data'
+
+const archipelago = entityById('archipelago')
 </script>
 
 <template>
   <SlideFrame
     kicker="The collaboration"
-    title="Three entities, one network"
-    subtitle="Deliberately different — a city hub, a travelling festival, a farm — each with its own character, all running the identical core stack."
+    title="Three experiences, one backbone"
+    subtitle="Deliberately different — a city hub, a travelling festival, a farm — each with its own character, all running on Archipelago."
   >
     <div class="grid gap-5 md:grid-cols-3">
       <div
-        v-for="e in entities"
+        v-for="e in surfaceEntities"
         :key="e.id"
         class="flex flex-col rounded-2xl border p-6"
         :class="accentRing[e.accent]"
@@ -22,7 +24,7 @@ import { entities, accentText, accentRing } from '../data'
             <Icon :name="e.icon" class="size-6" />
           </span>
           <div>
-            <h3 class="font-display text-xl font-semibold text-sand">{{ e.name }}</h3>
+            <h3 class="font-display text-lg font-semibold leading-tight text-sand">{{ e.name }}</h3>
             <p class="text-xs uppercase tracking-wider" :class="accentText[e.accent]">{{ e.role }}</p>
           </div>
         </div>
@@ -31,14 +33,25 @@ import { entities, accentText, accentRing } from '../data'
 
         <div class="mt-5 flex items-center gap-2 border-t border-white/10 pt-4 text-xs text-sand-dim">
           <Icon name="Layers" class="size-4 text-amber-300" />
-          Full core stack &amp; membership
+          Full membership &amp; ecosystem
         </div>
       </div>
     </div>
 
-    <p class="mt-6 text-center text-sm text-sand-dim">
-      Same card, same kiosk, same app — the
-      <span class="text-sand">full experience regardless of location.</span>
-    </p>
+    <!-- the shared backbone beneath all three -->
+    <div class="mt-5 flex items-center gap-4 rounded-2xl border p-5" :class="accentRing[archipelago.accent]">
+      <span class="grid size-11 shrink-0 place-items-center rounded-xl bg-white/5" :class="accentText[archipelago.accent]">
+        <Icon :name="archipelago.icon" class="size-6" />
+      </span>
+      <div class="min-w-0 flex-1">
+        <h3 class="font-display text-lg font-semibold text-sand">
+          {{ archipelago.name }}
+          <span class="ml-1 text-xs font-normal uppercase tracking-wider" :class="accentText[archipelago.accent]">
+            · {{ archipelago.role }}
+          </span>
+        </h3>
+        <p class="text-sm text-sand-dim">{{ archipelago.blurb }}</p>
+      </div>
+    </div>
   </SlideFrame>
 </template>
diff --git a/src/deck/slides/FestivalsSlide.vue b/src/deck/slides/FestivalsSlide.vue
new file mode 100644
index 0000000..92e5f29
--- /dev/null
+++ b/src/deck/slides/FestivalsSlide.vue
@@ -0,0 +1,8 @@
+<script setup lang="ts">
+import EntityDetail from '../components/EntityDetail.vue'
+import { entityById } from '../data'
+</script>
+
+<template>
+  <EntityDetail :entity="entityById('festivals')" />
+</template>
diff --git a/src/deck/slides/InvestmentOverviewSlide.vue b/src/deck/slides/InvestmentOverviewSlide.vue
index 0c1ae78..b4741e7 100644
--- a/src/deck/slides/InvestmentOverviewSlide.vue
+++ b/src/deck/slides/InvestmentOverviewSlide.vue
@@ -7,21 +7,21 @@ import { costCategories, categoryTotal, raiseTotal, fmtUsd } from '../data'
 
 // per-category colour (includes the shared 'amber' core-stack category)
 const barBg: Record<string, string> = {
-  amber: 'bg-amber-400',
   pine: 'bg-pine-500',
   indigo: 'bg-indigo-500',
+  rose: 'bg-rose-500',
   clay: 'bg-clay-400',
 }
 const text: Record<string, string> = {
-  amber: 'text-amber-300',
   pine: 'text-pine-300',
   indigo: 'text-indigo-300',
+  rose: 'text-rose-300',
   clay: 'text-clay-400',
 }
 const ring: Record<string, string> = {
-  amber: 'border-amber-400/50 bg-amber-400/[0.06]',
   pine: 'border-pine-500/50 bg-pine-500/[0.06]',
   indigo: 'border-indigo-500/50 bg-indigo-500/[0.06]',
+  rose: 'border-rose-500/50 bg-rose-500/[0.06]',
   clay: 'border-clay-400/50 bg-clay-400/[0.06]',
 }
 
diff --git a/src/deck/slides/SolLunarSlide.vue b/src/deck/slides/SolLunarSlide.vue
new file mode 100644
index 0000000..a91aba3
--- /dev/null
+++ b/src/deck/slides/SolLunarSlide.vue
@@ -0,0 +1,8 @@
+<script setup lang="ts">
+import EntityDetail from '../components/EntityDetail.vue'
+import { entityById } from '../data'
+</script>
+
+<template>
+  <EntityDetail :entity="entityById('sollunar')" />
+</template>
diff --git a/src/deck/slides/TechSlide.vue b/src/deck/slides/TechSlide.vue
index 0c9f769..db7f7d4 100644
--- a/src/deck/slides/TechSlide.vue
+++ b/src/deck/slides/TechSlide.vue
@@ -6,9 +6,9 @@ import { tech } from '../data'
 
 <template>
   <SlideFrame
-    kicker="The technology"
+    kicker="Archipelago · the shared backbone"
     title="Open hardware, sovereign software"
-    subtitle="The stack under every node — owned by the network, documented to be rebuilt anywhere."
+    subtitle="Archipelago is the stack under every entity — owned by the network, documented to be rebuilt anywhere. Build it once; every place plugs in."
   >
     <div class="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
       <div
diff --git a/src/deck/slides/TitleSlide.vue b/src/deck/slides/TitleSlide.vue
index 813f6aa..440fe2f 100644
--- a/src/deck/slides/TitleSlide.vue
+++ b/src/deck/slides/TitleSlide.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import SlideFrame from '../components/SlideFrame.vue'
 import PlaceholderBadge from '../components/PlaceholderBadge.vue'
-import { brand, entities, accentText } from '../data'
+import { brand, surfaceEntities, accentText } from '../data'
 </script>
 
 <template>
@@ -22,12 +22,12 @@ import { brand, entities, accentText } from '../data'
 
       <!-- the three collaborating entities -->
       <div class="mt-10 flex flex-wrap items-center justify-center gap-x-3 gap-y-2 text-sm text-sand-dim">
-        <span class="uppercase tracking-[0.2em]">A collaboration between</span>
+        <span class="uppercase tracking-[0.2em]">Three experiences, one backbone</span>
       </div>
       <div class="mt-3 flex flex-wrap items-center justify-center gap-3">
-        <template v-for="(e, i) in entities" :key="e.id">
+        <template v-for="(e, i) in surfaceEntities" :key="e.id">
           <span class="font-display text-lg font-semibold" :class="accentText[e.accent]">{{ e.name }}</span>
-          <span v-if="i < entities.length - 1" class="text-sand-dim">·</span>
+          <span v-if="i < surfaceEntities.length - 1" class="text-sand-dim">·</span>
         </template>
       </div>