add scroll events

index.pug

@@ -9,3 +9,25 @@ html.scroll-smooth(lang=lang)
 				include src/components/Professional
 				include src/components/Academia
 				include src/components/Footer
+
+		script.
+			const footerEl = document.querySelector("#footer");
+			const footerObserver = new IntersectionObserver((payload) => {
+				const hasScrolltedTo = payload.pop().isIntersecting;
+				if (hasScrolltedTo && window.hasOwnProperty("umami")) {
+					umami.track("scrolled to", {position: "footer", id: "footer"});
+					console.debug("scrolled to footer");
+				}
+			});
+			footerObserver.observe(footerEl);
+
+			const sections = document.querySelectorAll("section");
+			const sectionObserver = (id) =>
+				new IntersectionObserver((payload) => {
+					const hasScrolltedTo = payload.pop().isIntersecting;
+					if (hasScrolltedTo && window.hasOwnProperty("umami")) {
+						umami.track("scrolled to", {position: "section", id});
+						console.debug("scrolled to section with id", id);
+					}
+				});
+			sections.forEach((section) => sectionObserver(section.id).observe(section));

src/components/Academia.pug

@@ -1,6 +1,6 @@
 include Collapsable
 
-section.bg-nls-black.text-white
+section#academia.bg-nls-black.text-white
 	.p-8(class="sm:p-20 min-h-[120vh]")
 		.max-w-screen-md.mx-auto
 			// region Computer Science

src/components/Footer.pug

@@ -10,7 +10,7 @@ mixin Svg
 	svg.w-8.h-8(aria-hidden="true", fill="currentColor", viewbox="0 0 24 24")
 		block
 
-footer.bg-nls-black.text-white
+footer#footer.bg-nls-black.text-white
 	.p-8(class="sm:p-20 min-h-[120vh]")
 		.max-w-screen-md.mx-auto
 			// region Contact
@@ -40,9 +40,9 @@ footer.bg-nls-black.text-white
 								d="M18.188 0c-.517 0-.741.325-.927.66 0 0-7.455 13.224-7.702 13.657.015.024 4.919 9.023 4.919 9.023.17.308.436.66.967.66h3.454c.211 0 .375-.078.463-.22.089-.151.089-.346-.009-.536l-4.879-8.916c-.004-.006-.004-.016 0-.022L22.139.756c.095-.191.097-.387.006-.535C22.056.078 21.894 0 21.686 0h-3.498zM3.648 4.74c-.211 0-.385.074-.473.216-.09.149-.078.339.02.531l2.34 4.05c.004.01.004.016 0 .021L1.86 16.051c-.099.188-.093.381 0 .529.085.142.239.234.45.234h3.461c.518 0 .766-.348.945-.667l3.734-6.609-2.378-4.155c-.172-.315-.434-.659-.962-.659H3.648v.016z",
 								style="fill: currentColor"
 							)
-					a.transition-colors.text-white(
+					a.transition-colors.text-white.uppercase.font-semibold(
 						href=footer.emailLink,
-						class="hover:text-amber-300 uppercase font-semibold",
+						class="hover:text-amber-300",
 						rel="noopener noreferrer",
 						onclick="umami.track('email clicked', { position: 'footer' })"
 					) #{footer.emailText}

src/components/Professional.pug

@@ -1,4 +1,4 @@
-section.bg-nls-black.text-white
+section#professional.bg-nls-black.text-white
 	.p-8(class="sm:p-20 min-h-[120vh]")
 		.max-w-screen-md.mx-auto
 			h2.text-2xl.mb-4 #{professional.title}