diff --git a/components/experimental/branch-switcher.jsx b/components/experimental/branch-switcher.jsx
index b7457ca..2abd32e 100644
--- a/components/experimental/branch-switcher.jsx
+++ b/components/experimental/branch-switcher.jsx
@@ -46,7 +46,7 @@ function NewIndicator({ visible }) {
 
 /* ── Single branch row ─────────────────────────────────── */
 
-function BranchRow({ id, label, active, isNew, onClick }) {
+function BranchRow({ id, label, active, isNew, origin, onClick }) {
   const isActive = Boolean(active);
 
   return (
@@ -54,7 +54,7 @@ function BranchRow({ id, label, active, isNew, onClick }) {
       onClick={onClick}
       disabled={isActive}
       aria-current={isActive ? "page" : undefined}
-      className={`w-full flex items-center gap-2 rounded-md px-3 py-2 text-left transition text-sm ${
+      className={`w-full flex items-start gap-2 rounded-md px-3 py-2 text-left transition text-sm ${
         isActive
           ? "bg-blue-50/80 border border-blue-200/60 text-blue-900 font-medium"
           : "text-gray-600 hover:bg-gray-100/70 hover:text-gray-800 border border-transparent"
@@ -70,8 +70,15 @@ function BranchRow({ id, label, active, isNew, onClick }) {
         {isActive ? "●" : "○"}
       </span>
 
-      {/* Branch label */}
-      <span className="flex-1 truncate">{label}</span>
+      {/* Branch label + origin */}
+      <span className="flex-1 min-w-0">
+        <span className="truncate block">{label}</span>
+        {origin && (
+          <span className="block text-[11px] leading-tight text-gray-500/80 truncate" title={origin}>
+            {origin}
+          </span>
+        )}
+      </span>
 
       {/* Passive new-result indicator (only for inactive branches) */}
       {!isActive && <NewIndicator visible={isNew} />}
@@ -96,11 +103,11 @@ export default function ExperimentalBranchSwitcher({
       aria-label="Experimental branch switcher — RTO.25A"
     >
       {/* Label — clearly experimental */}
-      <h2 className="mb-1 text-[10px] font-semibold tracking-widest uppercase text-gray-400">
+      <h2 className="mb-1 text-[10px] font-semibold tracking-widest uppercase text-gray-600">
         Branches{" "}
-        <span className="font-normal text-gray-300">(exp)</span>
+        <span className="font-normal text-gray-500">(exp)</span>
       </h2>
-      <p className="mb-3 text-[11px] text-gray-400/60">
+      <p className="mb-3 text-[11px] font-medium leading-tight text-gray-500/80">
         Browse branches. Current focus is preserved.
       </p>
 
@@ -112,6 +119,7 @@ export default function ExperimentalBranchSwitcher({
             label={branch.label}
             active={activeBranchId === branch.id}
             isNew={Boolean(branchNewResults[branch.id])}
+            origin={branch.origin}
             onClick={() => onBranchSelect?.(branch.id)}
           />
         ))}
diff --git a/components/investigation-map.jsx b/components/investigation-map.jsx
index 703bb42..2f2d5f0 100644
--- a/components/investigation-map.jsx
+++ b/components/investigation-map.jsx
@@ -84,10 +84,10 @@ export default function InvestigationMap({ turnCount = 0 }) {
 
   return (
     <div className="rounded-lg border border-gray-200/60 bg-gray-50/30 p-4" role="region" aria-label="Investigation map preview">
-      <h2 className="mb-1 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+      <h2 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
         Investigation Map
       </h2>
-      <p className="mb-3 text-xs text-gray-400/70">
+      <p className="mb-3 text-xs font-medium leading-tight text-gray-500/80">
         Active investigation topics and their status.
       </p>
 
diff --git a/components/investigation-summary-panel-v2.jsx b/components/investigation-summary-panel-v2.jsx
index 997a8f5..2efd865 100644
--- a/components/investigation-summary-panel-v2.jsx
+++ b/components/investigation-summary-panel-v2.jsx
@@ -196,7 +196,7 @@ function InvestigationSummaryPanelV2({ graph, selectedQuestion, result, updateSt
         <div>
           {stillInvestigating.length > 1 ? (
             <>
-              <h3 className="mb-2 text-xs font-medium text-gray-400">Still investigating</h3>
+              <h3 className="mb-2 text-xs font-medium text-gray-500">Still investigating</h3>
               <ul className="space-y-1.5">
                 {Object.entries(investigatingByGroup).map(([group, items]) => (
                   <li key={group}>
@@ -227,7 +227,7 @@ function InvestigationSummaryPanelV2({ graph, selectedQuestion, result, updateSt
       {/* ── What we have learned ────────────────────────── */}
       {known.length > 0 && (
         <div>
-          <h3 className="mb-2 text-xs font-medium text-gray-400">What we know</h3>
+          <h3 className="mb-2 text-xs font-medium text-gray-500">What we know</h3>
           <ul className="space-y-1.5">
             {known.map((item, i) => (
               <li key={i} className="flex items-start gap-2">
@@ -243,8 +243,8 @@ function InvestigationSummaryPanelV2({ graph, selectedQuestion, result, updateSt
 
       {/* ── Quiet reasoning summary — secondary ─────────── */}
       <div className="pt-2 border-t border-gray-200/40">
-        <p className="text-[10px] font-medium tracking-widest uppercase text-gray-300 mb-1.5">Reasoning</p>
-        <div className="flex flex-wrap gap-x-4 gap-y-1 text-xs text-gray-400">
+        <p className="text-[10px] font-semibold tracking-widest uppercase text-gray-500 mb-1.5">Reasoning</p>
+        <div className="flex flex-wrap gap-x-4 gap-y-1 text-xs text-gray-500">
           {reasonEntries.map(([label, count]) => (
             <span key={label}>
               {count} {label}
diff --git a/components/investigation-summary-panel-v3.jsx b/components/investigation-summary-panel-v3.jsx
index 32b3eb0..a233a7a 100644
--- a/components/investigation-summary-panel-v3.jsx
+++ b/components/investigation-summary-panel-v3.jsx
@@ -47,7 +47,7 @@ function KnownSection({ title, items }) {
 
   return (
     <div>
-      <h3 className="mb-2 text-[11px] font-medium tracking-widest uppercase text-gray-400">
+      <h3 className="mb-2 text-[11px] font-medium tracking-widest uppercase text-gray-500">
         {title}
       </h3>
       <ul className="space-y-1.5">
@@ -67,7 +67,7 @@ function InvestigatingSection({ title, items }) {
 
   return (
     <div>
-      <h3 className="mb-2 text-[11px] font-medium tracking-widest uppercase text-gray-400">
+      <h3 className="mb-2 text-[11px] font-medium tracking-widest uppercase text-gray-500">
         {title}
       </h3>
       <ul className="space-y-1.5">
@@ -87,7 +87,7 @@ function ExplanationSection({ items }) {
 
   return (
     <div>
-      <h3 className="mb-2 text-[11px] font-medium tracking-widest uppercase text-gray-400">
+      <h3 className="mb-2 text-[11px] font-medium tracking-widest uppercase text-gray-500">
         Possible explanations
       </h3>
       <ul className="space-y-1.5">
@@ -102,10 +102,10 @@ function QuietSummary({ text }) {
 
   return (
     <div className="pt-2 border-t border-gray-200/40">
-      <p className="text-[10px] font-medium tracking-widest uppercase text-gray-300 mb-1.5">
+      <p className="text-[10px] font-semibold tracking-widest uppercase text-gray-500 mb-1.5">
         Investigation state
       </p>
-      <p className="text-xs text-gray-400">{text}</p>
+      <p className="text-xs text-gray-500">{text}</p>
     </div>
   );
 }
diff --git a/components/investigation-summary-panel.jsx b/components/investigation-summary-panel.jsx
index 2b2b073..63edf38 100644
--- a/components/investigation-summary-panel.jsx
+++ b/components/investigation-summary-panel.jsx
@@ -127,7 +127,7 @@ function InvestigationSummaryPanel({ graph, selectedQuestion, result, updateStat
       {/* Current understanding */}
       {currentUnderstanding && (
         <div>
-          <h3 className="mb-1 text-[11px] font-medium tracking-widest uppercase text-gray-400/70">
+          <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
             What we understand so far
           </h3>
           <p className="text-sm leading-relaxed text-gray-600">{currentUnderstanding}</p>
diff --git a/components/reasoning-workspace.jsx b/components/reasoning-workspace.jsx
index dea5df4..7c27bc7 100644
--- a/components/reasoning-workspace.jsx
+++ b/components/reasoning-workspace.jsx
@@ -320,7 +320,7 @@ function CurrentUnderstandingCard({ currentSummary, plainLanguage }) {
 
   return (
     <div className="rounded-lg border border-gray-100/80 bg-transparent px-6 pt-5 pb-6">
-      <h2 className="mb-3 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+      <h2 className="mb-3 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
         Understanding
       </h2>
       <p className="text-sm leading-relaxed text-gray-600">{summary}</p>
@@ -334,7 +334,7 @@ function PlainLanguageCard({ summary }) {
 
   return (
     <div className="rounded-lg border border-gray-100/80 bg-transparent px-6 pt-5 pb-6">
-      <h2 className="mb-3 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+      <h2 className="mb-3 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
         Understanding
       </h2>
       <p className="text-sm leading-relaxed text-gray-600">{summary}</p>
@@ -382,7 +382,7 @@ function InvestigationHistory({ turns }) {
 
   return (
     <div className="space-y-3" data-testid="investigation-history">
-      <h2 className="text-[11px] font-medium tracking-widest uppercase text-gray-300">
+      <h2 className="text-[11px] font-semibold tracking-widest uppercase text-gray-500">
         History
       </h2>
       <div className="space-y-2">
@@ -402,7 +402,7 @@ function OriginalSituation({ scenario, centralStatement }) {
 
   return (
     <div className="rounded-lg border border-gray-200/60 bg-gray-50/40 px-5 py-4">
-      <h2 className="mb-2 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+      <h2 className="mb-2 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
         Situation
       </h2>
 
@@ -832,7 +832,7 @@ export default function ReasoningWorkspace({
 
                   return (
                     <div className="space-y-4">
-                      <h2 className="text-[11px] font-medium tracking-widest uppercase text-gray-300">
+                      <h2 className="text-[11px] font-semibold tracking-widest uppercase text-gray-500">
                         In this branch — Open questions
                       </h2>
                       <div className="space-y-1">
@@ -894,7 +894,7 @@ export default function ReasoningWorkspace({
                                           {/* Formulated question */}
                                           {focused?.question?.trim() ? (
                                             <div>
-                                              <h3 className="mb-1 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+                                              <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
                                                 Question
                                               </h3>
                                               <p className="text-base font-medium leading-relaxed text-gray-900">
@@ -944,7 +944,7 @@ export default function ReasoningWorkspace({
                                           {focused?.result && (
                                             <>
                                               <div>
-                                                <h3 className="mb-1 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+                                                <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
                                                   What we learned
                                                 </h3>
                                                 <ul className="list-disc pl-5 space-y-1">
@@ -955,7 +955,7 @@ export default function ReasoningWorkspace({
                                               </div>
 
                                               <div>
-                                                <h3 className="mb-1 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+                                                <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
                                                   Still unclear
                                                 </h3>
                                                 <ul className="list-disc pl-5 space-y-1">
@@ -967,7 +967,7 @@ export default function ReasoningWorkspace({
 
                                               {focused.result.assumptions && focused.result.assumptions.length > 0 && (
                                                 <div>
-                                                  <h3 className="mb-1 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+                                                  <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
                                                     Assumptions in this response
                                                   </h3>
                                                   <ul className="list-disc pl-5 space-y-1">
@@ -980,7 +980,7 @@ export default function ReasoningWorkspace({
 
                                               {focused.result.relationships && focused.result.relationships.length > 0 && (
                                                 <div>
-                                                  <h3 className="mb-1 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+                                                  <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
                                                     Connections
                                                   </h3>
                                                   <ul className="list-disc pl-5 space-y-1">
@@ -993,7 +993,7 @@ export default function ReasoningWorkspace({
 
                                               {focused.result.possibleFollowUpQuestions && focused.result.possibleFollowUpQuestions.length > 0 && (
                                                 <div>
-                                                  <h3 className="mb-1 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+                                                  <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
                                                     Questions this raises
                                                   </h3>
                                                   <ul className="list-disc pl-5 space-y-1">
@@ -1059,7 +1059,7 @@ export default function ReasoningWorkspace({
                       {/* Done for now — separate visual area */}
                       {doneForNowIds.length > 0 && (
                         <div className="pt-3 border-t border-gray-200">
-                          <h3 className="mb-2 text-[11px] font-medium tracking-widest uppercase text-gray-300">
+                          <h3 className="mb-2 text-[11px] font-semibold tracking-widest uppercase text-gray-500">
                             Done for now
                           </h3>
                           <div className="space-y-1">
diff --git a/components/scenario-form.jsx b/components/scenario-form.jsx
index 9b6ab1c..ef8bff6 100644
--- a/components/scenario-form.jsx
+++ b/components/scenario-form.jsx
@@ -225,8 +225,16 @@ export default function ScenarioForm() {
   /* ── RTO.25A — passive late-result branch switcher (experimental) ── */
 
   const BRANCHES = [
-    { id: "branch-a", label: "Competitor development" },
-    { id: "branch-b", label: "Customer demand" },
+    {
+      id: "branch-a",
+      label: "Competitor development",
+      origin: "Whether competitors are developing similar products and when they might release them",
+    },
+    {
+      id: "branch-b",
+      label: "Customer demand",
+      origin: "How many customers will buy the product, and what revenue that represents",
+    },
   ];
 
   const [activeBranchId, setActiveBranchId] = useState("branch-b");