diff --git a/attached_assets/sapiens_black_logo.png b/attached_assets/sapiens_black_logo.png
new file mode 100644
index 0000000..33d50ba
Binary files /dev/null and b/attached_assets/sapiens_black_logo.png differ
diff --git a/client/src/components/Footer.tsx b/client/src/components/Footer.tsx
index 1579522..60ce272 100644
--- a/client/src/components/Footer.tsx
+++ b/client/src/components/Footer.tsx
@@ -10,7 +10,7 @@ export default function Footer() {
           <div className="flex items-center justify-between mb-3">
             <div className="flex items-center">
               <img 
-                src="/attached_assets/검은색 로고_1760521542271.png" 
+                src="/attached_assets/sapiens_black_logo.png" 
                 alt="SAPIENS" 
                 className="h-8 cursor-pointer hover:opacity-80 transition-opacity brightness-0 invert"
                 data-testid="footer-logo"
diff --git a/client/src/components/Header.tsx b/client/src/components/Header.tsx
index 1f0eefb..2a2b5ed 100644
--- a/client/src/components/Header.tsx
+++ b/client/src/components/Header.tsx
@@ -54,7 +54,7 @@ export default function Header() {
             <div className="flex items-center">
               <a href="/" data-testid="logo-link">
                 <img 
-                  src="/attached_assets/검은색 로고_1760521542271.png" 
+                  src="/attached_assets/sapiens_black_logo.png" 
                   alt="SAPIENS" 
                   className="h-8 w-auto"
                   data-testid="logo-sapiens"
diff --git a/client/src/components/LoginModal.tsx b/client/src/components/LoginModal.tsx
index 4f18fdb..62ceee3 100644
--- a/client/src/components/LoginModal.tsx
+++ b/client/src/components/LoginModal.tsx
@@ -71,7 +71,7 @@ export default function LoginModal({ isOpen, onClose }: LoginModalProps) {
           <DialogTitle className="flex items-center gap-2">
             <span>Login to</span>
             <img 
-              src="/attached_assets/검은색 로고_1760521542271.png" 
+              src="/attached_assets/sapiens_black_logo.png" 
               alt="SAPIENS" 
               className="h-6 w-auto"
             />
diff --git a/client/src/pages/AdminDashboard.tsx b/client/src/pages/AdminDashboard.tsx
index c876252..d4f6c32 100644
--- a/client/src/pages/AdminDashboard.tsx
+++ b/client/src/pages/AdminDashboard.tsx
@@ -132,7 +132,7 @@ export default function AdminDashboard() {
           <div className="flex items-center justify-between">
             <div className="flex items-center space-x-4">
               <img 
-                src="/attached_assets/검은색 로고_1760521542271.png" 
+                src="/attached_assets/sapiens_black_logo.png" 
                 alt="SAPIENS" 
                 className="h-8 w-auto hover:opacity-80 transition-opacity cursor-pointer"
                 data-testid="logo-sapiens"
diff --git a/client/src/pages/Article.tsx b/client/src/pages/Article.tsx
index 634d3b2..f0e9900 100644
--- a/client/src/pages/Article.tsx
+++ b/client/src/pages/Article.tsx
@@ -241,7 +241,7 @@ export default function Article() {
                 <div className="pl-10 pr-16 py-1.5 bg-gray-50 border border-gray-200 rounded-md flex items-center space-x-2 hover:bg-gray-100 transition-colors">
                   <span className="text-sm text-gray-500">search in</span>
                   <img 
-                    src="/attached_assets/검은색 로고_1760521542271.png" 
+                    src="/attached_assets/sapiens_black_logo.png" 
                     alt="SAPIENS" 
                     className="h-4 w-auto"
                   />
diff --git a/client/src/pages/AuctionGuide.tsx b/client/src/pages/AuctionGuide.tsx
index 9d90796..cc07526 100644
--- a/client/src/pages/AuctionGuide.tsx
+++ b/client/src/pages/AuctionGuide.tsx
@@ -25,7 +25,7 @@ export default function AuctionGuide() {
           <div className="flex items-center justify-between">
             <Link href="/">
               <img 
-                src="/attached_assets/검은색 로고_1760521542271.png" 
+                src="/attached_assets/sapiens_black_logo.png" 
                 alt="SAPIENS" 
                 className="h-8 w-auto cursor-pointer"
                 data-testid="logo-sapiens"
diff --git a/client/src/pages/Auctions.tsx b/client/src/pages/Auctions.tsx
index fb7d1e3..b1d8f30 100644
--- a/client/src/pages/Auctions.tsx
+++ b/client/src/pages/Auctions.tsx
@@ -237,7 +237,7 @@ export default function Auctions() {
             <div className="flex items-center gap-4">
               <Link href="/">
                 <img 
-                  src="/attached_assets/검은색 로고_1760521542271.png" 
+                  src="/attached_assets/sapiens_black_logo.png" 
                   alt="SAPIENS" 
                   className="h-8 w-auto cursor-pointer"
                   data-testid="logo-sapiens"
diff --git a/client/src/pages/Community.tsx b/client/src/pages/Community.tsx
index 2ee96bc..d45faf4 100644
--- a/client/src/pages/Community.tsx
+++ b/client/src/pages/Community.tsx
@@ -159,7 +159,7 @@ export default function Community() {
             
             <div className="flex items-center space-x-4">
               <img 
-                src="/attached_assets/검은색 로고_1760521542271.png" 
+                src="/attached_assets/sapiens_black_logo.png" 
                 alt="SAPIENS" 
                 className="h-6 w-auto cursor-pointer opacity-60 hover:opacity-100 transition-opacity"
                 onClick={() => setLocation("/")}
diff --git a/client/src/pages/Home.tsx b/client/src/pages/Home.tsx
index fe4edfd..8875791 100644
--- a/client/src/pages/Home.tsx
+++ b/client/src/pages/Home.tsx
@@ -99,7 +99,7 @@ export default function Home() {
           <div className="flex items-center justify-between">
             <div className="flex items-center">
               <img 
-                src="/attached_assets/검은색 로고_1760521542271.png" 
+                src="/attached_assets/sapiens_black_logo.png" 
                 alt="SAPIENS" 
                 className="h-8 w-auto cursor-pointer"
                 data-testid="logo-sapiens"
@@ -117,7 +117,7 @@ export default function Home() {
                 <div className="pl-10 pr-16 py-1.5 bg-gray-50 border border-gray-200 rounded-md flex items-center space-x-2 hover:bg-gray-100 transition-colors">
                   <span className="text-sm text-gray-500">search in</span>
                   <img 
-                    src="/attached_assets/검은색 로고_1760521542271.png" 
+                    src="/attached_assets/sapiens_black_logo.png" 
                     alt="SAPIENS" 
                     className="h-4 w-auto"
                   />
diff --git a/client/src/pages/Landing.tsx b/client/src/pages/Landing.tsx
index 268bc9f..6064154 100644
--- a/client/src/pages/Landing.tsx
+++ b/client/src/pages/Landing.tsx
@@ -132,7 +132,7 @@ export default function Landing() {
           <div className="flex items-center justify-between">
             <div className="flex items-center">
               <img 
-                src="/attached_assets/검은색 로고_1760521542271.png" 
+                src="/attached_assets/sapiens_black_logo.png" 
                 alt="SAPIENS" 
                 className="h-8 w-auto"
                 data-testid="logo-sapiens"
@@ -148,7 +148,7 @@ export default function Landing() {
                 <div className="pl-10 pr-16 py-1.5 bg-gray-50 border border-gray-200 rounded-md flex items-center space-x-2 hover:bg-gray-100 transition-colors">
                   <span className="text-sm text-gray-500">search in</span>
                   <img 
-                    src="/attached_assets/검은색 로고_1760521542271.png" 
+                    src="/attached_assets/sapiens_black_logo.png" 
                     alt="SAPIENS" 
                     className="h-4 w-auto"
                   />
diff --git a/client/src/pages/MediaOutlet.tsx b/client/src/pages/MediaOutlet.tsx
index 77646b5..4964dc4 100644
--- a/client/src/pages/MediaOutlet.tsx
+++ b/client/src/pages/MediaOutlet.tsx
@@ -238,7 +238,7 @@ export default function MediaOutlet() {
                 <div className="pl-10 pr-16 py-1.5 bg-gray-50 border border-gray-200 rounded-md flex items-center space-x-2 hover:bg-gray-100 transition-colors">
                   <span className="text-sm text-gray-500">search in</span>
                   <img 
-                    src="/attached_assets/검은색 로고_1760521542271.png" 
+                    src="/attached_assets/sapiens_black_logo.png" 
                     alt="SAPIENS" 
                     className="h-4 w-auto"
                   />
diff --git a/client/src/pages/Report.tsx b/client/src/pages/Report.tsx
index 8d0bbc3..d81d1c4 100644
--- a/client/src/pages/Report.tsx
+++ b/client/src/pages/Report.tsx
@@ -507,7 +507,7 @@ export default function Report() {
                 <div className="pl-10 pr-16 py-1.5 bg-gray-50 border border-gray-200 rounded-md flex items-center space-x-2 hover:bg-gray-100 transition-colors">
                   <span className="text-sm text-gray-500">search in</span>
                   <img 
-                    src="/attached_assets/검은색 로고_1760521542271.png" 
+                    src="/attached_assets/sapiens_black_logo.png" 
                     alt="SAPIENS" 
                     className="h-4 w-auto"
                   />