feat: migrate Hugo Bootstrap theme to latest Hugo with Tailwind CSS and refactor codebase

* replace Bootstrap-based styling with Tailwind CSS
* update theme compatibility for latest Hugo version
* refactor templates and partials
* fix outdated code and broken components
* improve project structure and maintainability
* optimize styling and frontend build setup

assets/css/generated-theme.css

@@ -0,0 +1,39 @@
+/**
+ * Auto-generated from "data/theme.json"
+ * DO NOT EDIT THIS FILE MANUALLY
+ * Run: node scripts/themeGenerator.js
+ */
+
+@theme {
+  /* === Colors === */
+  --color-primary: #E07B7B;
+  --color-secondary: #8BC5BF;
+  --color-tertiary: #F7F9FF;
+  --color-body: #fff;
+  --color-border: #eaeaea;
+  --color-light: #f6f6f6;
+  --color-dark: #040404;
+  --color-text: #9D9EA5;
+  --color-text-dark: #00113E;
+  --color-text-light: #fff;
+
+  /* === Font Families === */
+  --font-primary: Josefin Sans, sans-serif;
+  --font-secondary: Montserrat, sans-serif;
+
+  /* === Font Sizes === */
+  --text-base: 16px;
+  --text-base-sm: 12.8px;
+  --text-h6: 1.25rem;
+  --text-h6-sm: 1.125rem;
+  --text-h5: 1.5625rem;
+  --text-h5-sm: 1.40625rem;
+  --text-h4: 1.953125rem;
+  --text-h4-sm: 1.7578125rem;
+  --text-h3: 2.44140625rem;
+  --text-h3-sm: 2.197265625rem;
+  --text-h2: 3.0517578125rem;
+  --text-h2-sm: 2.74658203125rem;
+  --text-h1: 3.814697265625rem;
+  --text-h1-sm: 3.4332275390625rem;
+}