docs(site): Revised main homepage (#2131)

* docs(site): Revised main homepage

* Update _index.html

* Update _index.html

* Add files via upload

We do not have to use this background image. But if we do, we should find some place to credit https://unsplash.com/photos/oyXis2kALVg. The image is free for us to use and we don't need to credit per their license -- but it is the right thing to do.

* Update _index.html

* Add files via upload

Just trying other backgrounds to see how they look.

* Add files via upload

* Add files via upload

* Update _index.html

* Update _index.html

* Update footer.html

* Update footer.html

* Update _index.html

* Update _index.html

site/content/_index.html

@@ -4,7 +4,7 @@ linkTitle = "Kopia"
 
 +++
 
-{{< blocks/cover title="Fast and Secure Open-Source Backup" image_anchor="top" height="min" color="orange" >}}
+{{< blocks/cover title="Fast and Secure Open-Source Backup Software for Windows, Mac, and Linux" image_anchor="top" height="min" color="orange" >}}
 <p class="lead mt-5"></p>
 <div class="mx-auto">
 	<a class="btn btn-lg btn-primary mr-3 mb-4" href="{{< relref "/docs" >}}">
@@ -20,13 +20,13 @@ linkTitle = "Kopia"
 	<a class="btn btn-lg btn-success mr-3 mb-4" href="https://slack.kopia.io">
 		Developer Discussion <i class="fab fa-slack ml-2 "></i>
 	</a>
-	<p class="font-weight-bold h3 mt-5">Encrypted, Deduplicated, and Compressed Data Backups Using Your Own Cloud Storage</p>
+	<p class="font-weight-bold h3 mt-5">Encrypted, Compressed, and Deduplicated Backups Using the Cloud Storage You Pick</p>
 </div>
 {{< /blocks/cover >}}
 
 {{< blocks/section >}}
 <div class="col text-center">
-<h2 class="text-center pb-3">Kopia Demo</h2>
+<h2 class="text-center pb-3">Demo of Kopia's Command-Line Interface</h2>
 
 View a recorded demo of Kopia using Google Cloud Storage with pluggable encryption and compression.
 
@@ -37,27 +37,27 @@ View a recorded demo of Kopia using Google Cloud Storage with pluggable encrypti
 
 {{< blocks/section >}}
 <div class="col text-center">
-<h2 class="text-center pb-3">KopiaUI</h2>
+<h2 class="text-center pb-3">Demo of Kopia's Graphical User Interface</h2>
 
-<p>Kopia comes with a user-friendly desktop app for Windows, macOS and Linux which allows you to create snapshots, define policies and restore files quickly.</p>
+<p>Kopia comes with a user-friendly desktop app for Windows, macOS, and Linux which allows you to create snapshots, define policies, and restore files quickly.</p>
 
 <iframe width="560" height="315" src="https://www.youtube.com/embed/sHJjSpasWIo" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 
 {{< /blocks/section >}}
 
 {{< blocks/section >}}
-{{% blocks/feature icon="fa-lightbulb" title="Fast Encrypted Backups" %}}
-With a secure, scalable architecture, **Kopia** can back up everything from small laptops to large servers today.
+{{% blocks/feature icon="fa-lightbulb" title="Fast and Encrypted Backups" %}}
+With a secure and scalable architecture, **Kopia** can back up everything from small laptops to large servers.
 {{% /blocks/feature %}}
 
 
 {{% blocks/feature icon="fab fa-github" title="Contributions Welcome!" url="https://github.com/kopia/kopia/blob/master/GOVERNANCE.md" %}}
-We use a [Pull Request](https://github.com/kopia/kopia/pulls) contributions workflow on **GitHub**. New contributors and bug reports are always welcome!
+We use a [Pull Request](https://github.com/kopia/kopia/pulls) contributions workflow on GitHub. New contributors and bug reports are always welcome!
 {{% /blocks/feature %}}
 
 
 {{% blocks/feature icon="fab fa-slack" title="Join The Conversation" %}}
-Find us on [Slack](https://slack.kopia.io) to get started with using **Kopia**, discuss features and issues, meet the team, and more...
+Find us on [Slack](https://slack.kopia.io) to get started with using **Kopia**, discuss features and issues, meet the team, and more.
 {{% /blocks/feature %}}
 
 

site/themes/docsy/layouts/partials/footer.html

@@ -23,11 +23,16 @@
     </div>
     <div class="row">
       <div class="col-12 col-sm-12 text-center py-2 order-sm-2">
-        <small class="text-white">Hosted on <a href="https://netlify.com">Netlify</a>
+        <small class="text-white">Hosted on <a href="https://netlify.com" target="_blank">Netlify</a>
           |
-        Project Infrastructure Supported by <a href="https://www.kasten.io">Kasten by Veeam</a>
+        Project Infrastructure Supported by <a href="https://www.kasten.io" target="_blank">Kasten by Veeam</a>
         |
-        <a href="/docs/privacy-policy">Privacy Policy</a></small>
+        <a href="/docs/privacy-policy">Privacy Policy</a>
+        {{ if .IsHome }}
+        |
+        Header Background by <a href="https://unsplash.com/@choys_" target="_blank">Conny Schneider</a></small>
+        {{ end }}
+        </small>
       </div>
     </div>
   </div>