v2 source, NB2 prompt contract, and the slice editor
This commit is contained in:
+252
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<script>
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(() => {
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"use strict";
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const RM = matchMedia("(prefers-reduced-motion: reduce)").matches;
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const heroPin = document.getElementById("hero-pin");
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const crt = document.getElementById("crt");
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const crtbody = document.getElementById("crtbody");
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const caret = document.getElementById("caret");
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const cue = document.getElementById("cue");
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const skip = document.getElementById("skip");
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const titlewrap = document.querySelector(".titlewrap");
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/* ---------- split the big title into 3D chars ---------- */
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document.querySelectorAll("#bigtitle .x1, #bigtitle .x2").forEach(el => {
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const t = el.textContent; el.textContent = "";
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[...t].forEach(c => {
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const s = document.createElement("span");
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s.className = "ch"; s.textContent = c === " " ? " " : c;
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el.appendChild(s);
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});
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});
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const chars = document.querySelectorAll("#bigtitle .ch");
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/* ---------- terminal script ---------- */
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const LINES = [
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["p1", "jonny@edge:~$ ", "docker build -t shop/app:0723R1 ."],
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["dm", " => [1/4] FROM ubi9-minimal", " CACHED"],
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["dm", " => [2/4] RUN microdnf install deps", " 0.8s"],
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["dm", " => [3/4] COPY src/ /app", " 0.1s"],
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["dm", " => [4/4] USER 10001", " done"],
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["cy", " => exporting layers ", "sha256:9f2c11ab…"],
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["p1", "jonny@edge:~$ ", "docker push shop/app:0723R1"],
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["p1", "jonny@edge:~$ ", "kubectl apply -f app.yaml"],
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["ok", "deployment.apps/shop-app created", ""],
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["ok", "service/shop-app created", ""],
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["p1", "jonny@edge:~$ ", "kubectl get pods -w"],
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["dm", "shop-app-7d4b9c-x2x3g 0/1 ContainerCreating", ""],
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["ok", "shop-app-7d4b9c-x2x3g 1/1 Running", ""],
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["mg", "…but what actually just happened?", ""]
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];
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let li = 0, done = false;
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function renderAll() { // instant final state (skip / reduced motion / no theatre)
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crtbody.innerHTML = "";
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LINES.forEach(L => {
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const ln = document.createElement("span");
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ln.className = "ln";
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ln.innerHTML = '<span class="' + L[0] + '"></span><span></span>';
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ln.children[0].textContent = L[1]; ln.children[1].textContent = L[2];
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crtbody.appendChild(ln);
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});
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crtbody.appendChild(caret);
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finishIntro();
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}
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function typeLine() {
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if (done) return;
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if (li >= LINES.length) { finishIntro(); return; }
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const L = LINES[li++];
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const ln = document.createElement("span");
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ln.className = "ln";
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const a = document.createElement("span"); a.className = L[0]; a.textContent = L[1];
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const b = document.createElement("span");
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ln.appendChild(a); ln.appendChild(b);
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crtbody.insertBefore(ln, caret);
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const isCmd = L[0] === "p1";
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if (!isCmd) { b.textContent = L[2]; setTimeout(typeLine, 170); return; }
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let i = 0;
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(function tick() {
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if (done) return;
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b.textContent = L[2].slice(0, ++i);
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if (i < L[2].length) setTimeout(tick, 26);
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else setTimeout(typeLine, 320);
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})();
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}
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function finishIntro() {
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if (done) return; done = true;
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skip.style.display = "none";
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cue.style.opacity = 1;
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}
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skip.addEventListener("click", () => { done = false; renderAll(); });
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/* ---------- tooltip (hover / focus / tap) ---------- */
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const tip = document.getElementById("tip");
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let tipFor = null;
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function showTip(el) {
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tipFor = el;
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tip.innerHTML = "<b></b>";
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tip.firstChild.textContent = el.textContent.trim();
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tip.appendChild(document.createTextNode(el.dataset.def));
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tip.classList.add("show"); tip.setAttribute("aria-hidden", "false");
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const r = el.getBoundingClientRect(), tw = tip.offsetWidth, th = tip.offsetHeight;
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let x = Math.max(10, Math.min(r.left + r.width / 2 - tw / 2, innerWidth - tw - 10));
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let y = r.top - th - 10; if (y < 10) y = r.bottom + 10;
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tip.style.left = x + "px"; tip.style.top = y + "px";
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}
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function hideTip() { tipFor = null; tip.classList.remove("show"); tip.setAttribute("aria-hidden", "true"); }
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document.querySelectorAll(".term").forEach(el => {
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el.addEventListener("mouseenter", () => showTip(el));
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el.addEventListener("mouseleave", hideTip);
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el.addEventListener("focus", () => showTip(el));
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el.addEventListener("blur", hideTip);
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el.addEventListener("click", ev => { ev.preventDefault();
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(tipFor === el && tip.classList.contains("show")) ? hideTip() : showTip(el); });
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});
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addEventListener("scroll", () => { if (tipFor) hideTip(); }, { passive: true });
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/* ---------- progress bar ---------- */
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const bar = document.getElementById("bar");
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let raf = 0;
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addEventListener("scroll", () => {
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if (raf) return;
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raf = requestAnimationFrame(() => {
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const h = document.documentElement;
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bar.style.transform = "scaleX(" + (h.scrollTop / (h.scrollHeight - h.clientHeight || 1)) + ")";
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raf = 0;
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});
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}, { passive: true });
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/* ---------- section reveal + nav (IO, all contexts) ---------- */
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const navLinks = document.querySelectorAll("nav a");
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const io = new IntersectionObserver(ents => ents.forEach(e => {
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if (!e.isIntersecting) return;
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e.target.classList.add("live");
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const id = e.target.id;
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if (id) navLinks.forEach(a => a.classList.toggle("on", a.getAttribute("href") === "#" + id));
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}), { threshold: 0.3 });
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document.querySelectorAll("section").forEach(s => io.observe(s));
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/* ================= THE THEATRE (motion-safe contexts only) ================= */
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if (RM || typeof gsap === "undefined") { renderAll(); document.body.classList.remove("fx"); return; }
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document.body.classList.add("fx");
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gsap.registerPlugin(ScrollTrigger);
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ScrollTrigger.config({ ignoreMobileResize: true });
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/* particles: capped starfield with scroll parallax */
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const cv = document.getElementById("stars"), cx = cv.getContext("2d");
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let W, H, DPR, stars = [];
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function sizeCv() {
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DPR = Math.min(devicePixelRatio || 1, 2);
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W = cv.width = innerWidth * DPR; H = cv.height = innerHeight * DPR;
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cv.style.width = innerWidth + "px"; cv.style.height = innerHeight + "px";
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stars = Array.from({ length: innerWidth < 720 ? 46 : 90 }, () => ({
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x: Math.random() * W, y: Math.random() * H,
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z: .3 + Math.random() * .7, r: (.6 + Math.random() * 1.5) * DPR,
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tw: Math.random() * Math.PI * 2, c: Math.random() < .12 ? "232,121,249" : "63,186,245"
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}));
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}
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sizeCv(); addEventListener("resize", sizeCv);
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let lastY = 0, running = true;
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document.addEventListener("visibilitychange", () => { running = !document.hidden; if (running) loop(); });
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function loop(t) {
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if (!running) return;
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const dy = (scrollY - lastY) * .18; lastY = scrollY;
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cx.clearRect(0, 0, W, H);
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for (const s of stars) {
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s.y -= dy * s.z * DPR; s.tw += .02;
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if (s.y < -8) s.y += H + 16; else if (s.y > H + 8) s.y -= H + 16;
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cx.globalAlpha = .25 + .45 * s.z * (0.7 + 0.3 * Math.sin(s.tw));
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cx.fillStyle = "rgba(" + s.c + ",1)";
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cx.beginPath(); cx.arc(s.x, s.y, s.r * s.z, 0, 7); cx.fill();
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}
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cx.globalAlpha = 1;
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requestAnimationFrame(loop);
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}
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requestAnimationFrame(loop);
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/* card tilt (hover-capable pointers only) */
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if (matchMedia("(hover:hover)").matches) {
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let tiltRaf = 0;
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document.addEventListener("pointermove", ev => {
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const card = ev.target.closest(".card"); if (!card) return;
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if (tiltRaf) return;
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tiltRaf = requestAnimationFrame(() => {
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const r = card.getBoundingClientRect();
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const px = (ev.clientX - r.left) / r.width, py = (ev.clientY - r.top) / r.height;
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card.style.setProperty("--ry", ((px - .5) * 16).toFixed(2) + "deg");
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card.style.setProperty("--rx", ((.5 - py) * 12).toFixed(2) + "deg");
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card.style.setProperty("--gx", (px * 100).toFixed(1) + "%");
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card.style.setProperty("--gy", (py * 100).toFixed(1) + "%");
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tiltRaf = 0;
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});
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}, { passive: true });
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document.addEventListener("pointerout", ev => {
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const card = ev.target.closest(".card"); if (!card) return;
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card.style.setProperty("--rx", "0deg"); card.style.setProperty("--ry", "0deg");
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}, { passive: true });
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}
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/* start typing the terminal */
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gsap.set(titlewrap, { autoAlpha: 0 });
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gsap.set(chars, { z: -600, autoAlpha: 0, rotateX: -70 });
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setTimeout(typeLine, 500);
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/* COURSE 00 — pin: terminal tilts back, flies apart; title chars fly in from depth */
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const mm = gsap.matchMedia();
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mm.add("(min-width: 721px)", () => {
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gsap.timeline({
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scrollTrigger: { trigger: heroPin, start: "top top", end: "+=1600", scrub: .6, pin: true }
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})
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.to(crt, { rotateX: 38, z: -180, y: -60, ease: "power1.in" }, 0)
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.to(crt, { autoAlpha: 0, scale: 1.25, rotateX: 62, y: -220, ease: "power2.in", duration: .6 }, .35)
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.to(cue, { autoAlpha: 0, duration: .15 }, 0)
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.to("#skip", { autoAlpha: 0, duration: .1 }, 0)
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.to(titlewrap, { autoAlpha: 1, duration: .2 }, .45)
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.to(chars, { z: 0, autoAlpha: 1, rotateX: 0, stagger: { each: .012, from: "random" }, ease: "back.out(1.4)" }, .5)
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.to("#bigtitle", { scale: .96, y: -14, ease: "none" }, .9);
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/* COURSE 01 — pin: layers rise from the deep into the tilted stack */
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const layers = gsap.utils.toArray(".layer3d");
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gsap.set(layers, { z: -650, autoAlpha: 0, y: 260 });
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gsap.set(".laycard", { autoAlpha: 0, y: 40 });
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gsap.timeline({
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scrollTrigger: { trigger: "#lay-stage", start: "top top", end: "+=1800", scrub: .6, pin: true }
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})
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.to(layers[0], { z: 0, autoAlpha: 1, y: 150, ease: "power2.out" })
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.to(layers[1], { z: 46, autoAlpha: 1, y: 75, ease: "power2.out" })
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.to(layers[2], { z: 92, autoAlpha: 1, y: 0, ease: "power2.out" })
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.to(layers[3], { z: 138, autoAlpha: 1, y: -75, ease: "power2.out" })
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.to("#laystack", { rotateX: 24, rotateZ: -6, ease: "none" }, "<")
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.to(".laycard", { autoAlpha: 1, y: 0, stagger: .15 })
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.to("#laystack", { rotateX: 10, rotateZ: 0, ease: "none" });
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/* COURSE 05 — pin: the ring of opinions spins around the core */
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gsap.timeline({
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scrollTrigger: { trigger: "#orbit-stage", start: "top top", end: "+=2000", scrub: .7, pin: true }
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})
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.fromTo("#orbit", { rotateY: -15, rotateX: 8 }, { rotateY: 285, rotateX: 8, ease: "none" }, 0)
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.fromTo("#core > .card", { scale: .7, autoAlpha: 0 }, { scale: 1, autoAlpha: 1, duration: .12 }, 0);
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return () => {}; /* matchMedia cleanup handled by GSAP */
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});
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/* small screens: no pins — everything just assembles via IO; terminal still types */
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mm.add("(max-width: 720px)", () => {
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gsap.set(titlewrap, { autoAlpha: 0 });
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ScrollTrigger.create({
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trigger: heroPin, start: "bottom 70%",
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onEnter: () => {
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gsap.to(crt, { autoAlpha: 0, y: -80, duration: .5 });
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gsap.to(titlewrap, { autoAlpha: 1, duration: .5 });
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gsap.to(chars, { z: 0, autoAlpha: 1, rotateX: 0, stagger: .01, duration: .6 });
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}
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});
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gsap.set(".layer3d", { clearProps: "all" });
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gsap.set(".laycard", { clearProps: "all" });
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gsap.fromTo("#orbit", { rotateY: -15 }, {
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rotateY: 285, ease: "none",
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scrollTrigger: { trigger: "#orbit-stage", start: "top 80%", end: "bottom 20%", scrub: .7 }
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});
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return () => {};
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});
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})();
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</script>
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