Add custom illustrations for key IPCrypt concepts

Author: jedisct1

www/TODO.md

@@ -66,7 +66,7 @@ This document outlines planned improvements and future tasks for the IPCrypt web
 ### Design Enhancements
 
 - [ ] Add subtle background patterns or textures
-- [ ] Create custom illustrations for key concepts
+- [x] Create custom illustrations for key concepts
 - [ ] Implement advanced animations for interactive elements
 - [ ] Design custom badges for implementation languages
 - [ ] Create a style guide for consistent design

www/_config.yml

@@ -95,6 +95,8 @@ navigation:
     url: /code-examples/
   - title: Resources
     url: /resources/
+  - title: Illustrations
+    url: /illustrations/
 
 # Social links
 social_links:

www/_layouts/default.html

@@ -39,6 +39,7 @@
     <link rel="stylesheet" href="{{ site.baseurl }}/assets/css/main.css">
     <link rel="stylesheet" href="{{ site.baseurl }}/assets/css/syntax.css">
     <link rel="stylesheet" href="{{ site.baseurl }}/assets/css/design-refinements.css">
+    <link rel="stylesheet" href="{{ site.baseurl }}/assets/css/illustrations.css">
     <!-- JavaScript -->
     <script defer src="{{ site.baseurl }}/assets/js/main.js"></script>
     {% if jekyll.environment == 'production' and site.google_analytics %}