diff --git a/src/components/supply/DashboardHeader.tsx b/src/components/supply/DashboardHeader.tsx
index 797e2e9..868b473 100644
--- a/src/components/supply/DashboardHeader.tsx
+++ b/src/components/supply/DashboardHeader.tsx
@@ -20,13 +20,13 @@ export function DashboardHeader({ orgName = 'Demo Organisation', lastUpdated }:
   return (
     <Box>
       <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, mb: 0.5 }}>
-        <Typography variant="h6" sx={{ fontWeight: 600 }}>
+        <Typography sx={{ fontWeight: 700, fontSize: '1.125rem', lineHeight: 1.3, color: '#0f172a' }}>
           {orgName}
         </Typography>
         <Chip label="Demo" size="small" color="info" variant="outlined" />
       </Box>
       {lastUpdated && (
-        <Typography variant="caption" sx={{ color: 'text.secondary' }}>
+        <Typography variant="body2" color="text.secondary">
           Zuletzt aktualisiert: {formatLastUpdated(lastUpdated)}
         </Typography>
       )}
diff --git a/src/pages/supply/DataQuality.tsx b/src/pages/supply/DataQuality.tsx
index 0213501..a6e9adb 100644
--- a/src/pages/supply/DataQuality.tsx
+++ b/src/pages/supply/DataQuality.tsx
@@ -265,7 +265,7 @@ export default function DataQuality() {
       {/* Header */}
       <Box sx={{ px: 3, py: 2.5, bgcolor: 'white', borderBottom: '1px solid #e8e7e4', flexShrink: 0 }}>
         <Typography sx={{ fontWeight: 700, fontSize: '1.125rem', lineHeight: 1.3, color: '#0f172a' }}>Datenpflege</Typography>
-        <Typography variant="caption" color="text.secondary">
+        <Typography variant="body2" color="text.secondary">
           Vollständigkeit, Aktualität und Vertrauen der Objektdaten · Klick auf KPI-Karte filtert die Liste
         </Typography>
       </Box>
diff --git a/src/pages/supply/MarketIntelligence.tsx b/src/pages/supply/MarketIntelligence.tsx
index d67e392..58c7981 100644
--- a/src/pages/supply/MarketIntelligence.tsx
+++ b/src/pages/supply/MarketIntelligence.tsx
@@ -1048,7 +1048,7 @@ export default function MarketIntelligence() {
       {/* Page header */}
       <Box sx={{ px: 3, py: 2.5, bgcolor: 'white', borderBottom: '1px solid #e8e7e4', flexShrink: 0 }}>
         <Typography sx={{ fontWeight: 700, fontSize: '1.125rem', lineHeight: 1.3, color: '#0f172a' }}>Marktchancen</Typography>
-        <Typography variant="caption" color="text.secondary">
+        <Typography variant="body2" color="text.secondary">
           KI-Signale aus Web-Quellen und menschliche Netzwerk-Hinweise — mit Portfolio-Match
         </Typography>
       </Box>