Update image sources to use Unsplash links

Author: dannyward630

index.html

@@ -368,7 +368,7 @@ <h1>Question the Algorithm</h1>
 
     <div class="container">
         <section>
-            <img src="https://picsum.photos/id/203/1200/400" alt="Close-up of surveillance technology and data monitoring systems" style="width: 100%; height: 400px; object-fit: cover; border-radius: 8px; margin-bottom: 30px;">
+            <img src="https://source.unsplash.com/1200x400/?surveillance,cctv,security,camera" alt="Surveillance camera system monitoring urban environment" style="width: 100%; height: 400px; object-fit: cover; border-radius: 8px; margin-bottom: 30px;">
 
             <div class="hook">
                 Your loan application was denied by an algorithm. The credit card company can't tell you exactly why. Should you trust that decision?
@@ -384,7 +384,7 @@ <h1>Question the Algorithm</h1>
         <section>
             <h2>Where the Bias Hides</h2>
 
-            <img src="https://picsum.photos/id/0/1200/350" alt="Technology and computer systems representing algorithmic decision-making" style="width: 100%; height: 350px; object-fit: cover; border-radius: 8px; margin-bottom: 25px;">
+            <img src="https://source.unsplash.com/1200x350/?code,data,binary,algorithm,matrix" alt="Complex data and code representing algorithmic systems" style="width: 100%; height: 350px; object-fit: cover; border-radius: 8px; margin-bottom: 25px;">
 
             <p>When people say a decision is "data-driven," they make it sound automatic—like the computer just crunched numbers and spit out truth. But look closer at what actually happens:</p>
 
@@ -434,7 +434,7 @@ <h2>Where the Bias Hides</h2>
         <section>
             <h2>Real-World Impact</h2>
 
-            <img src="https://picsum.photos/id/180/1200/350" alt="Person working with technology, representing humans being analyzed by algorithmic systems" style="width: 100%; height: 350px; object-fit: cover; border-radius: 8px; margin-bottom: 30px;">
+            <img src="https://source.unsplash.com/1200x350/?person,technology,face,digital,data" alt="Person interacting with technology and algorithmic systems" style="width: 100%; height: 350px; object-fit: cover; border-radius: 8px; margin-bottom: 30px;">
 
             <div class="example-grid">
                 <div class="example-card">