refactor: organize hyperscript code and implement mobile button layout

This commit includes two major improvements:

1. Hyperscript Code Organization:
   - Extracted all hyperscript blocks >3 lines into reusable functions
   - Created 6 new functions in functions._hs:
     * toggleCVLength(isLong) - CV length toggle sync
     * toggleIcons(showIcons) - Icons toggle sync
     * toggleTheme(isClean) - Theme toggle sync
     * syncPdfHover(show) - PDF button synchronized hover
     * syncPrintHover(show) - Print button synchronized hover
     * highlightZoomControl(show) - Zoom control highlight effect
   - Reduced inline hyperscript from 11+ lines to 1-2 lines per element
   - Updated 8 template files to use function calls:
     * hamburger-menu.html
     * view-controls.html
     * action-buttons.html
     * download-button.html
     * print-friendly-button.html
     * zoom-toggle-button.html

2. Mobile Button Layout (max-width: 900px):
   - Repositioned three fixed buttons (PDF, Print, Info) horizontally at bottom center
   - Print button perfectly centered in viewport
   - Download button on left, Info button on right
   - Hidden zoom and shortcuts buttons on mobile (available in hamburger menu)
   - Removed conflicting old mobile styles that were hiding print button
   - Smooth hover transitions maintained with proper transform calculations

Technical details:
- Used CSS transform with calc() for precise horizontal positioning
- Maintained hover effects with combined translateX/translateY transforms
- Ensured accessibility with proper ARIA labels and spacing
- All functions check element existence before manipulation
- LocalStorage sync maintained across desktop/mobile toggles

static/hyperscript/functions._hs

@@ -126,6 +126,105 @@ def handleScroll()
   set :lastScroll to currentScroll
 end
 
+-- ==============================================================================
+-- TOGGLE FUNCTIONS (for view controls)
+-- ==============================================================================
+
+-- CV Length Toggle
+def toggleCVLength(isLong)
+  set paper to the first .cv-paper
+  set otherToggle to (#lengthToggle or #lengthToggleMenu)
+
+  if isLong
+    remove .cv-short from paper
+    add .cv-long to paper
+    set localStorage['cv-length'] to 'long'
+    if otherToggle exists set otherToggle's checked to true
+  else
+    remove .cv-long from paper
+    add .cv-short to paper
+    set localStorage['cv-length'] to 'short'
+    if otherToggle exists set otherToggle's checked to false
+  end
+end
+
+-- Icons Toggle
+def toggleIcons(showIcons)
+  set paper to the first .cv-paper
+  set otherToggle to (#iconToggle or #iconToggleMenu)
+
+  if showIcons
+    add .show-icons to paper
+    set localStorage['cv-icons'] to 'true'
+    if otherToggle exists set otherToggle's checked to true
+  else
+    remove .show-icons from paper
+    set localStorage['cv-icons'] to 'false'
+    if otherToggle exists set otherToggle's checked to false
+  end
+end
+
+-- Theme Toggle
+def toggleTheme(isClean)
+  set container to the first .cv-container
+  set otherToggle to (#themeToggle or #themeToggleMenu)
+
+  if isClean
+    add .theme-clean to container
+    set localStorage['cv-theme'] to 'clean'
+    if otherToggle exists set otherToggle's checked to true
+  else
+    remove .theme-clean from container
+    set localStorage['cv-theme'] to 'default'
+    if otherToggle exists set otherToggle's checked to false
+  end
+end
+
+-- Synchronized Hover for PDF Buttons
+def syncPdfHover(show)
+  set fixedBtn to #download-button
+  set actionBarBtn to #action-bar-pdf-btn
+  set menuBtn to the first .menu-pdf-btn
+
+  if show
+    if fixedBtn exists add .pdf-hover-sync to fixedBtn
+    if actionBarBtn exists add .pdf-hover-sync to actionBarBtn
+    if menuBtn exists add .pdf-hover-sync to menuBtn
+  else
+    if fixedBtn exists remove .pdf-hover-sync from fixedBtn
+    if actionBarBtn exists remove .pdf-hover-sync from actionBarBtn
+    if menuBtn exists remove .pdf-hover-sync from menuBtn
+  end
+end
+
+-- Synchronized Hover for Print Buttons
+def syncPrintHover(show)
+  set fixedBtn to #print-friendly-button
+  set actionBarBtn to the first .action-bar-print-btn
+  set menuBtn to the first .menu-print-btn
+
+  if show
+    if fixedBtn exists add .print-hover-sync to fixedBtn
+    if actionBarBtn exists add .print-hover-sync to actionBarBtn
+    if menuBtn exists add .print-hover-sync to menuBtn
+  else
+    if fixedBtn exists remove .print-hover-sync from fixedBtn
+    if actionBarBtn exists remove .print-hover-sync from actionBarBtn
+    if menuBtn exists remove .print-hover-sync from menuBtn
+  end
+end
+
+-- Zoom Control Highlight
+def highlightZoomControl(show)
+  set zoomControl to #zoom-control
+
+  if show
+    if zoomControl exists add .zoom-highlight to zoomControl
+  else
+    if zoomControl exists remove .zoom-highlight from zoomControl
+  end
+end
+
 -- ==============================================================================
 -- KEYBOARD SHORTCUTS
 -- ==============================================================================