Update pages to reflect new open-source model

styles.css

@@ -138,8 +138,9 @@ h2 {
 }
 
 .feature-grid {
-    display: grid;
-    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: center;
     gap: 2rem;
 }
 
@@ -148,6 +149,10 @@ h2 {
     padding: 2rem;
     border-radius: 8px;
     text-align: center;
+    flex: 1 1 300px;
+    max-width: 500px;
+    min-width: 280px;
+    box-sizing: border-box;
 }
 
 .feature-card h3 {
@@ -347,13 +352,25 @@ a:hover {
 }
 
 .content ul {
-    margin-left: 1.5rem;
+    list-style: none;
+    padding-left: 0;
     margin-bottom: 1.5rem;
 }
 
 .content li {
-    margin-bottom: 0.5rem;
+    margin-bottom: 0.75rem;
     line-height: 1.6;
+    padding-left: 1.5rem;
+    position: relative;
+}
+
+.content li::before {
+    content: "•";
+    color: var(--accent-color);
+    font-weight: bold;
+    display: inline-block;
+    position: absolute;
+    left: 0;
 }
 
 .cta-section {
@@ -393,6 +410,10 @@ a:hover {
     margin-top: 1rem;
 }
 
+.open-source-highlight {
+    text-align: center;
+}
+
 /* Responsive navigation */
 @media (max-width: 768px) {
     .nav-content {