Switch to Kramdown, write a blog post

pages/layout.rb

@@ -2,14 +2,17 @@ module Pages
   class Layout < ::Phlex::HTML
     def pages = {
       home: {
+        as: :home,
         title: "Home",
         url: "/"
       },
       blog: {
+        as: :blog,
         title: "Blog",
         url: "/blog"
       },
       about: {
+        as: :about,
         title: "About",
         url: "/about"
       }
@@ -46,7 +49,7 @@ module Pages
           header(class: "#{@banner ? 'fixed' : 'sticky'} top-0 w-screen bg-transparent pointer-events-none flex p-3 items-center justify-center") {
             nav(class: 'flex gap-2 p-2 rounded-full border border-gray-300 bg-white/50 backdrop-blur-md pointer-events-auto') {
               pages.each { |key, page|
-                a(href: page[:url], class: "block rounded-full px-3 py-1 #{key == @page ? 'bg-gray-100/50' : ''}") { page[:title] }
+                a(href: page[:url], class: "block rounded-full px-3 py-1 #{key == @page_info[:as] ? 'bg-gray-100/50' : ''}") { page[:title] }
               }
             }
           }