diff --git a/lexicons/site/exosphere/label.json b/lexicons/site/exosphere/label.json
new file mode 100644
index 0000000..fa7f514
--- /dev/null
+++ b/lexicons/site/exosphere/label.json
@@ -0,0 +1,31 @@
+{
+  "lexicon": 1,
+  "id": "site.exosphere.label",
+  "defs": {
+    "main": {
+      "type": "record",
+      "description": "Label assignment on a feature request or kanban task, published on the actor's PDS. Third-party indexers can replay the latest record per subject to derive the current label set.",
+      "key": "tid",
+      "record": {
+        "type": "object",
+        "required": [
+          "subject",
+          "labels"
+        ],
+        "properties": {
+          "subject": {
+            "type": "string",
+            "format": "at-uri",
+            "description": "AT URI of the labeled entity."
+          },
+          "labels": {
+            "type": "array",
+            "items": { "type": "string" },
+            "maxLength": 50,
+            "description": "Label names assigned to the entity. Replaces any previous set."
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/style.css b/style.css
index f9775be..e2e9bcf 100644
--- a/style.css
+++ b/style.css
@@ -1,16 +1,15 @@
 :root {
   --color-text: #1a1a2e;
   --color-text-muted: #64748b;
-  --color-bg: #f8fafc;
+  --color-bg: #f9fafb;
   --color-surface: #ffffff;
   --color-border: #e2e8f0;
   --color-primary: #3b82f6;
   --color-primary-hover: #2563eb;
   --font-heading: Avenir, Montserrat, Corbel, "URW Gothic", source-sans-pro,
-    sans-serif;
-  --font-body: ui-rounded, "Hiragino Maru Gothic ProN", Quicksand, Comfortaa,
-    Manjari, "Arial Rounded MT", "Arial Rounded MT Bold", Calibri,
-    source-sans-pro, sans-serif;
+    system-ui, sans-serif;
+  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
+    Roboto, "Helvetica Neue", Arial, sans-serif;
 }
 
 @media (prefers-color-scheme: dark) {
@@ -52,7 +51,7 @@ main {
 h1 {
   font-family: var(--font-heading);
   font-size: clamp(2.5rem, 6vw, 4rem);
-  font-weight: 700;
+  font-weight: 600;
   letter-spacing: -0.02em;
   margin-block-end: 16px;
 }
@@ -60,7 +59,7 @@ h1 {
 .tagline {
   font-size: clamp(1.1rem, 2.5vw, 1.35rem);
   color: var(--color-text-muted);
-  line-height: 1.6;
+  line-height: 1.5;
   margin-block-end: 32px;
 }
 
@@ -91,7 +90,7 @@ h1 {
   font-weight: 600;
   font-size: 1rem;
   padding: 12px 28px;
-  border-radius: 10px;
+  border-radius: 8px;
   text-decoration: none;
   transition: background 0.15s;
 }