Add stunning info button with glassmorphism modal

Features:
- Info button fixed on bottom-left (matches back-to-top on bottom-right)
- Modern glassmorphism modal with backdrop blur
- Smooth animations: scale + bounce effect on open
- Floating code icon animation
- Gradient text for title
- Tech stack showcase with hover effects (Go, HTMX, HTML5, CSS3)
- Beautiful GitHub link button with gradient and hover effects
- Multiple close methods: X button, click backdrop, Escape key
- Fully responsive for mobile devices
- No external libraries - pure CSS3 magic

Design highlights:
- Backdrop blur for depth
- White glass-effect card with subtle gradient
- Green accent color (#27ae60) throughout
- Smooth cubic-bezier transitions
- Rotating close button on hover
- Tech items lift on hover with shadows
- GitHub button with gradient that reverses on hover

Showcases modern web development skills with cutting-edge CSS

templates/index.html

@@ -284,6 +284,60 @@
         <iconify-icon icon="mdi:arrow-up" width="24" height="24"></iconify-icon>
     </button>
 
+    <!-- Info Button (Bottom Left) -->
+    <button id="info-button" class="info-button no-print" aria-label="{{if eq .Lang "es"}}Información{{else}}Information{{end}}" onclick="openInfoModal()">
+        <iconify-icon icon="mdi:information-outline" width="24" height="24"></iconify-icon>
+    </button>
+
+    <!-- Info Modal -->
+    <div id="info-modal" class="info-modal no-print" onclick="closeInfoModalOnBackdrop(event)">
+        <div class="info-modal-content" onclick="event.stopPropagation()">
+            <button class="info-modal-close" onclick="closeInfoModal()" aria-label="Close">
+                <iconify-icon icon="mdi:close" width="24" height="24"></iconify-icon>
+            </button>
+
+            <div class="info-modal-header">
+                <iconify-icon icon="mdi:code-braces" width="48" height="48" class="info-modal-icon"></iconify-icon>
+                <h2>{{if eq .Lang "es"}}Acerca de este CV{{else}}About this CV{{end}}</h2>
+            </div>
+
+            <div class="info-modal-body">
+                <p class="info-modal-description">
+                    {{if eq .Lang "es"}}
+                    Este CV interactivo fue construido con <strong>Go + HTMX</strong>, demostrando arquitectura moderna de hipermedia sin frameworks pesados de JavaScript.
+                    {{else}}
+                    This interactive CV was built with <strong>Go + HTMX</strong>, showcasing modern hypermedia architecture without heavy JavaScript frameworks.
+                    {{end}}
+                </p>
+
+                <div class="info-modal-tech">
+                    <div class="info-tech-item">
+                        <iconify-icon icon="mdi:language-go" width="32" height="32"></iconify-icon>
+                        <span>Go + Hono</span>
+                    </div>
+                    <div class="info-tech-item">
+                        <iconify-icon icon="mdi:lightning-bolt" width="32" height="32"></iconify-icon>
+                        <span>HTMX</span>
+                    </div>
+                    <div class="info-tech-item">
+                        <iconify-icon icon="mdi:language-html5" width="32" height="32"></iconify-icon>
+                        <span>Semantic HTML5</span>
+                    </div>
+                    <div class="info-tech-item">
+                        <iconify-icon icon="mdi:language-css3" width="32" height="32"></iconify-icon>
+                        <span>Pure CSS3</span>
+                    </div>
+                </div>
+
+                <a href="https://github.com/juanatsap/cv-site" target="_blank" rel="noopener noreferrer" class="info-modal-github">
+                    <iconify-icon icon="mdi:github" width="24" height="24"></iconify-icon>
+                    <span>{{if eq .Lang "es"}}Ver código fuente{{else}}View Source Code{{end}}</span>
+                    <iconify-icon icon="mdi:arrow-right" width="20" height="20"></iconify-icon>
+                </a>
+            </div>
+        </div>
+    </div>
+
     <script>
         // Toggle navigation menu
         function toggleMenu() {
@@ -605,6 +659,32 @@
             });
         });
 
+        // Info Modal Functions
+        function openInfoModal() {
+            const modal = document.getElementById('info-modal');
+            modal.classList.add('active');
+            document.body.style.overflow = 'hidden'; // Prevent scrolling when modal is open
+        }
+
+        function closeInfoModal() {
+            const modal = document.getElementById('info-modal');
+            modal.classList.remove('active');
+            document.body.style.overflow = ''; // Restore scrolling
+        }
+
+        function closeInfoModalOnBackdrop(event) {
+            if (event.target.id === 'info-modal') {
+                closeInfoModal();
+            }
+        }
+
+        // Close modal with Escape key
+        document.addEventListener('keydown', function(event) {
+            if (event.key === 'Escape') {
+                closeInfoModal();
+            }
+        });
+
         // Error handling utility
         function showError(message) {
             const errorToast = document.getElementById('error-toast');