Enhance feature section with introductory text and styling

Author: huycozy

assets/css/style.css

@@ -216,6 +216,16 @@ header {
 }
 
 /* Features/Value Proposition */
+.feature-intro {
+    max-width: 820px;
+    margin: 0 auto;
+    text-align: center;
+}
+
+.feature-intro p {
+    margin: 0 auto;
+}
+
 .features-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));

index.html

@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Netshare - Fast, Private, Local File Sharing</title>
     <meta name="description"
-        content="Share files instantly between devices on your local network without internet. No cloud, no tracking, just speed.">
+        content="Netshare is a free, open-source app to securely share files between two computers or between a computer and mobile device over the same Wi-Fi, without relying on the internet.">
 
     <!-- Favicon -->
     <link rel="icon" type="image/x-icon" href="assets/images/appicon.ico">
@@ -84,29 +84,36 @@ <h1>Fast, private file sharing on your local network.</h1>
         <!-- Value Propositions -->
         <section id="features">
             <div class="container">
+                <div class="feature-intro">
+                    <h2>Share files on the same network, without relying on the Internet</h2>
+                    <p>Netshare is a free, open-source app for secure local network file sharing. It helps you transfer
+                        files between devices on the same network, share files between two computers, or
+                        between a computer and a mobile device.</p>
+                </div>
                 <div class="features-grid">
                     <div class="feature-card">
                         <span class="feature-icon">🚀</span>
                         <h3>Local-first & blazing fast</h3>
-                        <p>Files are transferred directly between devices over your local network, giving you maximum
-                            speed without cloud bottlenecks.</p>
+                        <p>Files move directly between devices on your local network, making Netshare a fast option for
+                            transferring files between computers, mobile-computer, mobile-mobile on the same network.</p>
                     </div>
                     <div class="feature-card">
                         <span class="feature-icon">🔒</span>
                         <h3>Privacy by design</h3>
-                        <p>Your data never leaves your network. No uploads. No tracking. No external servers involved.
-                        </p>
+                        <p>Your data stays on your network. No uploads, no tracking, and no external servers involved
+                            when you securely share files over your local network.</p>
                     </div>
                     <div class="feature-card">
                         <span class="feature-icon">🌐</span>
                         <h3>Works without internet</h3>
-                        <p>Netshare works perfectly in offline or restricted environments such as offices, labs,
-                            factories, and internal networks.</p>
+                        <p>Share files without relying on the internet. Netshare works in offline or restricted
+                            environments such as offices, labs, factories, and internal networks.</p>
                     </div>
                     <div class="feature-card">
                         <span class="feature-icon">📱</span>
                         <h3>Cross-platform</h3>
-                        <p>Seamlessly share files across Android, iOS, and macOS devices on the same network.</p>
+                        <p>Share files between two computers or between a computer and a mobile device across Android,
+                            iOS, and macOS on the same network.</p>
                     </div>
                 </div>
             </div>