feat(event-detail): enhance event detail page with improved layout and additional features

feat(counter-to): add countdown component for event timing
feat(fonts): include Gotham Book font for better typography
fix(location-map): make map height responsive with CSS variables

src/_fonts.scss

@@ -38,6 +38,14 @@
   font-display: swap;
 }
 
+@font-face {
+  font-family: "Gotham Book";
+  src: url("/fonts/Gotham/Gotham Book.otf") format("opentype");
+  font-weight: 400;
+  font-style: normal;
+  font-display: swap;
+}
+
 @font-face {
   font-family: "Gotham";
   src: url("/fonts/Gotham/Gotham Italic.otf") format("opentype");