29 lines
925 B
JavaScript
29 lines
925 B
JavaScript
(() => {
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const header = document.querySelector(".site-header");
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const onScroll = () => {
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if (!header) return;
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header.classList.toggle("is-scrolled", window.scrollY > 12);
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};
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onScroll();
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window.addEventListener("scroll", onScroll, { passive: true });
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const reveals = document.querySelectorAll(".reveal");
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if ("IntersectionObserver" in window) {
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const observer = new IntersectionObserver(
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(entries) => {
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entries.forEach((entry, index) => {
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if (!entry.isIntersecting) return;
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const el = entry.target;
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el.style.transitionDelay = `${Math.min(index * 0.04, 0.2)}s`;
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el.classList.add("is-visible");
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observer.unobserve(el);
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});
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},
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{ threshold: 0.12, rootMargin: "0px 0px -8% 0px" }
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);
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reveals.forEach((el) => observer.observe(el));
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} else {
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reveals.forEach((el) => el.classList.add("is-visible"));
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}
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})();
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