Maßgeschneiderte Website für Olzinger Haustechnik
Neuer statischer Webauftritt für die Olzinger GmbH (Heizung, Sanitär, Lüftung, regenerative Energien – Ergolding bei Landshut, seit 1985). - Hero mit live berechnetem WebGL-„Wärmebild“: Maus als Wärmequelle, Wärmespur, Isothermen und Temperaturanzeige; Preloader „Thermostat“ - Gestapelte Leistungskarten mit animierten SVG-Illustrationen - Interaktives Energie-Haus (Wärmepumpe, Solarthermie, Speicher, Fußbodenheizung, Bad, Lüftung) mit Tabs, Hotspots und Autoplay - Heizungs-Finder mit Empfehlung und Übernahme ins Kontaktformular - Ablauf als sich füllende Rohrleitung, Zeitleiste mit Zählwerk, Live-Öffnungsstatus inkl. bayerischer Feiertage - Kontaktformular mit PHP-Versand (Honeypot, Zeitfalle) und mailto-Fallback; Impressum, Datenschutz, 404-Seite - Smooth-Scroll (Lenis) und GSAP-Animationen, alles lokal gehostet; reduzierte Bewegung, Betrieb ohne JavaScript, axe ohne Befunde - SEO: Schema.org HVACBusiness, Open-Graph-Bild, Sitemap, robots.txt Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Kjd7UMh3HKyVziCgiZ9A2i
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/* ==========================================================================
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Olzinger – Hauptskript
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Preloader, Hero-Intro, Smooth-Scroll, Navigation und Scroll-Animationen.
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========================================================================== */
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(function (w, d) {
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'use strict';
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var html = d.documentElement;
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var $ = function (s, c) { return (c || d).querySelector(s); };
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var $$ = function (s, c) { return Array.prototype.slice.call((c || d).querySelectorAll(s)); };
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var reduce = w.matchMedia('(prefers-reduced-motion: reduce)').matches;
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var finePointer = w.matchMedia('(hover: hover) and (pointer: fine)').matches;
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var fallback = !!w.__olzFallback;
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w.__olzReady = true;
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/* ---------- Dynamische Jahreszahlen ---------- */
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var nowYear = new Date().getFullYear();
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$$('[data-current-year]').forEach(function (el) { el.textContent = nowYear; });
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$$('[data-years]').forEach(function (el) {
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el.textContent = nowYear - 1985;
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el.setAttribute('data-count', nowYear - 1985);
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});
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/* ---------- Wärmebild ---------- */
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var thermal = null;
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var canvas = $('[data-thermal]');
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if (canvas && w.OlzThermal) {
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thermal = w.OlzThermal.init(canvas, {
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hero: $('[data-hero]'),
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probe: $('[data-probe]'),
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probeVal: $('[data-probe-val]'),
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legendMarker: $('[data-legend-marker]'),
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calm: $('.hero__aside'),
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reduceMotion: reduce
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});
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} else {
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html.classList.add('no-webgl');
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}
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/* ---------- Mobiles Menü (auch ohne GSAP funktionsfähig) ---------- */
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var menu = $('[data-menu]');
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var toggle = $('[data-menu-toggle]');
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var menuOpen = false;
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var lenis = null;
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if (menu) { menu.hidden = false; menu.setAttribute('inert', ''); menu.setAttribute('aria-hidden', 'true'); }
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function openMenu() {
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if (!menu || menuOpen) return;
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menuOpen = true;
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menu.classList.add('is-open');
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menu.removeAttribute('inert');
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menu.setAttribute('aria-hidden', 'false');
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toggle.setAttribute('aria-expanded', 'true');
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toggle.querySelector('.sr-only').textContent = 'Menü schließen';
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html.classList.add('menu-open');
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if (lenis) lenis.stop();
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if (w.gsap && !reduce) {
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w.gsap.fromTo($$('.menu__links a, .menu__foot > *'), { y: 40, opacity: 0 },
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{ y: 0, opacity: 1, duration: 0.9, ease: 'expo.out', stagger: 0.045, delay: 0.25 });
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}
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}
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function closeMenu() {
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if (!menu || !menuOpen) return;
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menuOpen = false;
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menu.classList.remove('is-open');
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menu.setAttribute('inert', '');
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menu.setAttribute('aria-hidden', 'true');
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toggle.setAttribute('aria-expanded', 'false');
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toggle.querySelector('.sr-only').textContent = 'Menü öffnen';
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html.classList.remove('menu-open');
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if (lenis) lenis.start();
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}
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if (toggle) toggle.addEventListener('click', function () { if (menuOpen) closeMenu(); else openMenu(); });
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d.addEventListener('keydown', function (e) { if (e.key === 'Escape' && menuOpen) { closeMenu(); toggle.focus(); } });
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/* ---------- Ohne GSAP: alles statisch sichtbar lassen ---------- */
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if (!w.gsap || !w.ScrollTrigger) {
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html.classList.remove('has-loader', 'js');
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html.classList.add('no-js');
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if (thermal) thermal.heatUp();
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d.addEventListener('click', function (e) {
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var a = e.target.closest('a[href^="#"]');
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if (a && a.dataset.topic) w.dispatchEvent(new CustomEvent('olz:topic', { detail: a.dataset.topic }));
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if (a) closeMenu();
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});
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return;
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}
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var gsap = w.gsap, ScrollTrigger = w.ScrollTrigger;
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gsap.registerPlugin(ScrollTrigger);
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if (w.SplitText) gsap.registerPlugin(w.SplitText);
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gsap.config({ nullTargetWarn: false });
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/* ---------- Smooth Scroll ---------- */
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if (!reduce && typeof w.Lenis === 'function') {
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lenis = new w.Lenis({ lerp: 0.105, smoothWheel: true, wheelMultiplier: 1, touchMultiplier: 1.4 });
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lenis.on('scroll', ScrollTrigger.update);
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gsap.ticker.add(function (t) { lenis.raf(t * 1000); });
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gsap.ticker.lagSmoothing(0);
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if (html.classList.contains('has-loader')) lenis.stop();
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}
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w.olzLenis = lenis;
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function navHeight() {
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var bar = $('.nav__bar');
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return bar ? bar.getBoundingClientRect().height + 12 : 76;
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}
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// Natürliche Position berechnen (auch für „sticky“-Elemente)
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function targetY(el) {
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if (el.id === 'top') return 0;
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var stack = el.closest('[data-stack]');
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if (stack && el.classList.contains('svc')) {
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var cards = $$('.svc', stack);
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var gap = parseFloat(getComputedStyle(stack).rowGap) || 0;
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var y = stack.getBoundingClientRect().top + w.scrollY;
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for (var i = 0; i < cards.length && cards[i] !== el; i++) y += cards[i].offsetHeight + gap;
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var stickyTop = parseFloat(getComputedStyle(el).top);
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return y - (isNaN(stickyTop) ? navHeight() : stickyTop);
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}
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return el.getBoundingClientRect().top + w.scrollY;
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}
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function scrollToEl(el) {
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var y = targetY(el);
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if (lenis) lenis.scrollTo(y, { duration: 1.4, easing: function (t) { return t === 1 ? 1 : 1 - Math.pow(2, -10 * t); } });
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else w.scrollTo({ top: y, behavior: reduce ? 'auto' : 'smooth' });
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}
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d.addEventListener('click', function (e) {
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var a = e.target.closest('a[href^="#"]');
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if (!a) return;
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var id = a.getAttribute('href');
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if (id.length < 2) return;
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var target = d.getElementById(id.slice(1));
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if (!target) return;
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e.preventDefault();
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if (a.dataset.topic) w.dispatchEvent(new CustomEvent('olz:topic', { detail: a.dataset.topic }));
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var wasOpen = menuOpen;
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closeMenu();
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setTimeout(function () { scrollToEl(target); }, wasOpen ? 380 : 0);
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if (history.replaceState) history.replaceState(null, '', id === '#top' ? location.pathname : id);
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});
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/* ---------- Seitenwechsel mit Vorhang ---------- */
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var curtain = d.createElement('div');
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curtain.className = 'curtain';
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curtain.setAttribute('aria-hidden', 'true');
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d.body.appendChild(curtain);
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d.addEventListener('click', function (e) {
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if (e.defaultPrevented || e.button !== 0 || e.metaKey || e.ctrlKey || e.shiftKey || e.altKey) return;
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var a = e.target.closest('a[href]');
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if (!a || a.target === '_blank' || a.hasAttribute('download')) return;
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var url;
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try { url = new URL(a.getAttribute('href'), location.href); } catch (err) { return; }
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if (!/^https?:$/.test(url.protocol) || url.origin !== location.origin) return;
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if (url.pathname === location.pathname) return;
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e.preventDefault();
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closeMenu();
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html.classList.add('is-leaving');
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w.setTimeout(function () { location.href = url.href; }, reduce ? 0 : 560);
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});
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w.addEventListener('pageshow', function () { html.classList.remove('is-leaving'); });
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/* ---------- Preloader & Hero-Intro ---------- */
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function heroIn() {
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var tl = gsap.timeline({ defaults: { ease: 'expo.out' } });
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tl.fromTo('.hero__word', { y: 0, yPercent: 112 }, { yPercent: 0, duration: 1.5, stagger: 0.1 }, 0)
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.fromTo('.hero__dot', { scale: 0 }, { scale: 1, duration: 1.1, ease: 'back.out(3)', stagger: 0.1 }, 0.55)
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.fromTo('.hero__tag', { opacity: 0, x: -12 }, { opacity: 1, x: 0, duration: 1.2, stagger: 0.1 }, 0.7)
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.fromTo('[data-hero-fade]', { opacity: 0, y: 24 }, { opacity: 1, y: 0, duration: 1.3, stagger: 0.12 }, 0.35)
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.fromTo('.nav__bar', { opacity: 0, y: -16 }, { opacity: 1, y: 0, duration: 1.2 }, 0.2)
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.add(function () { if (thermal) thermal.measure(); });
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return tl;
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}
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function intro() {
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if (fallback) { gsap.set('.nav__bar', { opacity: 1 }); if (thermal) thermal.heatUp(); return; }
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var loader = $('.loader');
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var useLoader = html.classList.contains('has-loader') && loader && !reduce;
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if (reduce) {
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html.classList.remove('has-loader');
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gsap.set('.hero__word', { yPercent: 0, y: 0 });
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gsap.set('.hero__dot', { scale: 1 });
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gsap.set('.hero__tag, [data-hero-fade], .nav__bar', { opacity: 1 });
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if (thermal) thermal.heatUp();
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return;
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}
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if (!useLoader) {
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html.classList.remove('has-loader');
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if (loader) loader.remove();
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if (thermal) thermal.heatUp();
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heroIn();
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return;
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}
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var arc = $('.loader__arc', loader);
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var yearEl = $('[data-loader-year]', loader);
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var len = arc.getTotalLength();
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var counter = { v: 1985 };
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gsap.set(arc, { strokeDasharray: len, strokeDashoffset: len });
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var tl = gsap.timeline();
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tl.from('.loader__center', { opacity: 0, scale: 0.92, duration: 0.6, ease: 'power2.out' }, 0)
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.from('.loader__caption', { opacity: 0, y: 10, duration: 0.6, stagger: 0.08 }, 0.1)
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.to(arc, { strokeDashoffset: 0, duration: 1.35, ease: 'power2.inOut' }, 0.15)
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.to(counter, {
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v: nowYear, duration: 1.35, ease: 'power2.inOut',
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onUpdate: function () { yearEl.textContent = Math.round(counter.v); }
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}, 0.15)
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.to('.loader__center, .loader__caption', { opacity: 0, y: -20, duration: 0.5, ease: 'power2.in', stagger: 0.03 }, 1.65)
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.add(function () { if (thermal) thermal.heatUp(); }, 1.7)
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.to(loader, { clipPath: 'inset(0% 0% 100% 0%)', duration: 1.05, ease: 'expo.inOut' }, 1.85)
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.add(heroIn(), 2.25)
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.add(function () {
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html.classList.remove('has-loader');
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loader.remove();
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if (lenis) lenis.start();
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ScrollTrigger.refresh();
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}, 2.95);
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}
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/* ---------- Navigation ---------- */
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var nav = $('[data-nav]');
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ScrollTrigger.create({
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start: 0, end: 'max',
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onUpdate: function (self) {
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var y = self.scroll();
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nav.classList.toggle('is-scrolled', y > 40);
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if (menuOpen) return;
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if (y > 420 && self.direction === 1) nav.classList.add('is-hidden');
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else if (self.direction === -1 || y <= 420) nav.classList.remove('is-hidden');
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}
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});
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nav.addEventListener('focusin', function () { nav.classList.remove('is-hidden'); });
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var navLinks = $$('[data-nav-link]');
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navLinks.forEach(function (link) {
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var sec = d.getElementById(link.getAttribute('href').slice(1));
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if (!sec) return;
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ScrollTrigger.create({
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trigger: sec, start: 'top 45%', end: 'bottom 45%',
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onToggle: function (self) {
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if (self.isActive) navLinks.forEach(function (l) { l.classList.toggle('is-active', l === link); });
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else link.classList.remove('is-active');
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}
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});
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});
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/* ---------- Animationen, die Bewegung voraussetzen ---------- */
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function motion() {
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// Hero: Inhalte beim Scrollen leicht anheben und ausblenden
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gsap.to('.hero__inner', {
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yPercent: -10, opacity: 0.15, ease: 'none',
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scrollTrigger: { trigger: '.hero', start: 'top top', end: 'bottom top', scrub: true }
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});
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// Überschriften: Zeilen-Reveal
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if (w.SplitText) {
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$$('[data-split]').forEach(function (el) {
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w.SplitText.create(el, {
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type: 'lines', mask: 'lines', linesClass: 'split-line', autoSplit: true,
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onSplit: function (self) {
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return gsap.from(self.lines, {
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yPercent: 110, duration: 1.25, ease: 'expo.out', stagger: 0.09,
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scrollTrigger: { trigger: el, start: 'top 86%', once: true }
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});
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}
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});
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});
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// Intro-Text: Wort für Wort „aufheizen“
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var introText = $('[data-scrub-words]');
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if (introText) {
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var split = w.SplitText.create(introText, { type: 'words', wordsClass: 'scrub-word' });
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gsap.fromTo(split.words, { opacity: 0.13 }, {
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opacity: 1, ease: 'none', stagger: 0.1,
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scrollTrigger: { trigger: introText, start: 'top 82%', end: 'bottom 50%', scrub: true }
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});
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gsap.from('.ichip', {
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scale: 0, rotate: -25, duration: 0.9, ease: 'back.out(2.4)', stagger: 0.18,
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scrollTrigger: { trigger: introText, start: 'top 70%', once: true }
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});
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}
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}
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// Allgemeine Reveals
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$$('[data-reveal]').forEach(function (el) {
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gsap.from(el, {
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y: 44, opacity: 0, duration: 1.25, ease: 'expo.out',
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scrollTrigger: { trigger: el, start: 'top 90%', once: true }
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});
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});
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$$('[data-reveal-stagger]').forEach(function (el) {
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gsap.from(el.children, {
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y: 40, opacity: 0, duration: 1.15, ease: 'expo.out', stagger: 0.09,
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scrollTrigger: { trigger: el, start: 'top 90%', once: true }
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});
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});
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// Vorlauf/Rücklauf-Bänder
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$$('.tape').forEach(function (tape) {
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var track = $('.tape__track', tape);
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var unit = track.innerHTML;
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var unitWidth = track.scrollWidth;
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if (!unitWidth) return;
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var copies = Math.max(2, Math.ceil((tape.offsetWidth * 1.2) / unitWidth) + 1);
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track.innerHTML = new Array(copies + 1).join(unit);
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var dir = parseFloat(tape.getAttribute('data-tape')) || 1;
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var tween = gsap.fromTo(track,
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{ x: dir > 0 ? 0 : -unitWidth },
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{ x: dir > 0 ? -unitWidth : 0, duration: unitWidth / 70, ease: 'none', repeat: -1 });
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tween.totalTime(tween.duration() * 500);
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var boost = { v: 1 };
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ScrollTrigger.create({
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trigger: tape, start: 'top bottom', end: 'bottom top',
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onUpdate: function (self) {
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var v = Math.min(Math.abs(self.getVelocity()) / 250, 7);
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var sign = self.direction === 1 ? 1 : -1;
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gsap.to(boost, {
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v: (1 + v) * sign, duration: 0.25, overwrite: true,
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onUpdate: function () { tween.timeScale(boost.v); }
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});
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gsap.to(boost, {
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v: sign, duration: 1.2, delay: 0.25, ease: 'power2.out',
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onUpdate: function () { tween.timeScale(boost.v); }
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});
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}
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});
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gsap.fromTo(tape, { xPercent: dir * -4 }, {
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xPercent: dir * 4, ease: 'none',
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scrollTrigger: { trigger: '.tapes', start: 'top bottom', end: 'bottom top', scrub: true }
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});
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});
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// Leistungskarten: gestapelt, die hinteren treten zurück
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var cards = $$('.svc');
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var mm = gsap.matchMedia();
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mm.add('(min-width: 900px) and (min-height: 660px)', function () {
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cards.forEach(function (card, i) {
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var next = cards[i + 1];
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if (!next) return;
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var inner = $('.svc__inner', card);
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gsap.to(inner, {
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scale: 0.9 + i * 0.012, '--shade': 0.55, ease: 'none',
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scrollTrigger: {
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trigger: next, start: 'top 82%',
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end: function () { return 'top ' + (parseFloat(getComputedStyle(next).top) || 100) + 'px'; },
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||||
scrub: true, invalidateOnRefresh: true
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}
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||||
});
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||||
});
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});
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||||
// Illustrationen: leichter Parallax
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$$('.svc__art .art').forEach(function (art) {
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||||
gsap.fromTo(art, { yPercent: 4 }, {
|
||||
yPercent: -4, ease: 'none',
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||||
scrollTrigger: { trigger: art.closest('.svc'), start: 'top bottom', end: 'bottom top', scrub: true }
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||||
});
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||||
});
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||||
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||||
// Ablauf: Rohr füllt sich
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var steps = $('[data-steps]');
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if (steps) {
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||||
var fill = $('[data-steps-fill]', steps);
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||||
var pipe = $('.steps__pipe', steps);
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||||
var items = $$('[data-step-item]', steps);
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var mmSteps = gsap.matchMedia();
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mmSteps.add({ desktop: '(min-width: 901px)', mobile: '(max-width: 900px)' }, function (ctx) {
|
||||
var desktop = ctx.conditions.desktop;
|
||||
if (!desktop) {
|
||||
var nodes = items.map(function (it) { return $('.step__node', it); });
|
||||
var placePipe = function () {
|
||||
var top0 = steps.getBoundingClientRect().top;
|
||||
var a = nodes[0].getBoundingClientRect(), b = nodes[nodes.length - 1].getBoundingClientRect();
|
||||
pipe.style.top = (a.top - top0 + a.height / 2) + 'px';
|
||||
pipe.style.height = (b.top - a.top) + 'px';
|
||||
pipe.style.bottom = 'auto';
|
||||
};
|
||||
placePipe();
|
||||
ScrollTrigger.addEventListener('refreshInit', placePipe);
|
||||
}
|
||||
gsap.fromTo(fill, desktop ? { scaleX: 0, scaleY: 1 } : { scaleY: 0, scaleX: 1 }, {
|
||||
scaleX: 1, scaleY: 1, ease: 'none',
|
||||
scrollTrigger: {
|
||||
trigger: steps, start: 'top 72%', end: desktop ? 'bottom 62%' : 'bottom 68%', scrub: 0.6,
|
||||
onUpdate: function (self) {
|
||||
var p = self.progress, n = items.length;
|
||||
items.forEach(function (it, i) { it.classList.toggle('is-on', p > (i / (n - 1)) * 0.97 + 0.01); });
|
||||
}
|
||||
}
|
||||
});
|
||||
return function () {
|
||||
pipe.style.top = pipe.style.height = pipe.style.bottom = '';
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
// Footer-Schriftzug „heizt auf“
|
||||
var word = $('[data-footer-word] span');
|
||||
if (word) {
|
||||
gsap.fromTo(word, { '--heat': '0%' }, {
|
||||
'--heat': '100%', ease: 'none',
|
||||
scrollTrigger: { trigger: '.footer', start: 'top 80%', end: 'bottom bottom', scrub: true }
|
||||
});
|
||||
gsap.from(word, {
|
||||
yPercent: 60, opacity: 0, duration: 1.4, ease: 'expo.out',
|
||||
scrollTrigger: { trigger: '[data-footer-word]', start: 'top 95%', once: true }
|
||||
});
|
||||
}
|
||||
|
||||
// Magnetische Buttons
|
||||
if (finePointer) {
|
||||
$$('[data-magnetic]').forEach(function (btn) {
|
||||
var xTo = gsap.quickTo(btn, 'x', { duration: 0.6, ease: 'power3' });
|
||||
var yTo = gsap.quickTo(btn, 'y', { duration: 0.6, ease: 'power3' });
|
||||
btn.addEventListener('pointermove', function (e) {
|
||||
var r = btn.getBoundingClientRect();
|
||||
xTo((e.clientX - r.left - r.width / 2) * 0.22);
|
||||
yTo((e.clientY - r.top - r.height / 2) * 0.32);
|
||||
});
|
||||
btn.addEventListener('pointerleave', function () { xTo(0); yTo(0); });
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
/* ---------- Funktionen, die immer laufen (auch bei reduzierter Bewegung) ---------- */
|
||||
function essentials() {
|
||||
// Illustrationen nur animieren, wenn sichtbar
|
||||
if ('IntersectionObserver' in w) {
|
||||
var io = new IntersectionObserver(function (entries) {
|
||||
entries.forEach(function (en) { en.target.classList.toggle('is-inview', en.isIntersecting); });
|
||||
}, { threshold: 0.15 });
|
||||
$$('.svc').forEach(function (c) { io.observe(c); });
|
||||
} else {
|
||||
$$('.svc').forEach(function (c) { c.classList.add('is-inview'); });
|
||||
}
|
||||
|
||||
// Zähler
|
||||
$$('[data-count]').forEach(function (el) {
|
||||
var target = parseInt(el.getAttribute('data-count') || el.textContent, 10);
|
||||
if (isNaN(target)) return;
|
||||
if (reduce) { el.textContent = target; return; }
|
||||
var from = parseInt(el.getAttribute('data-count-from') || '0', 10);
|
||||
var obj = { v: from };
|
||||
el.textContent = from;
|
||||
gsap.to(obj, {
|
||||
v: target, duration: 2.2, ease: 'power3.out',
|
||||
scrollTrigger: { trigger: el, start: 'top 92%', once: true },
|
||||
onUpdate: function () { el.textContent = Math.round(obj.v); }
|
||||
});
|
||||
});
|
||||
|
||||
// Historie: Zählwerk mit Jahreszahl
|
||||
var hist = $('[data-history]');
|
||||
if (hist) {
|
||||
var strips = $$('[data-odo-digit] .odo__strip', hist);
|
||||
var caption = $('[data-odo-caption]', hist);
|
||||
var entries = $$('.tl', hist);
|
||||
var setYear = function (year, title) {
|
||||
String(year).split('').forEach(function (ch, i) {
|
||||
if (!strips[i]) return;
|
||||
gsap.to(strips[i], { yPercent: -10 * parseInt(ch, 10), duration: reduce ? 0 : 1.1, ease: 'expo.inOut', delay: reduce ? 0 : i * 0.06, overwrite: true });
|
||||
});
|
||||
if (caption) caption.textContent = title;
|
||||
};
|
||||
entries.forEach(function (entry) {
|
||||
var y = entry.getAttribute('data-year');
|
||||
var year = y === 'now' ? nowYear : parseInt(y, 10);
|
||||
var title = ($('.tl__title', entry) || {}).textContent || '';
|
||||
ScrollTrigger.create({
|
||||
trigger: entry, start: 'top 62%', end: 'bottom 62%',
|
||||
onToggle: function (self) {
|
||||
if (!self.isActive) return;
|
||||
entries.forEach(function (e2) { e2.classList.toggle('is-active', e2 === entry); });
|
||||
setYear(year, title);
|
||||
}
|
||||
});
|
||||
});
|
||||
entries[0].classList.add('is-active');
|
||||
setYear(1985, ($('.tl__title', entries[0]) || {}).textContent || '');
|
||||
}
|
||||
}
|
||||
|
||||
/* ---------- Start ---------- */
|
||||
essentials();
|
||||
if (!reduce) motion();
|
||||
intro();
|
||||
|
||||
// Nach dem Laden der Schriften Positionen neu berechnen
|
||||
if (d.fonts && d.fonts.ready) d.fonts.ready.then(function () { ScrollTrigger.refresh(); });
|
||||
w.addEventListener('load', function () { ScrollTrigger.refresh(); });
|
||||
|
||||
// Deep-Link (#kontakt etc.) nach dem Aufbau korrekt anspringen
|
||||
if (location.hash && location.hash.length > 1) {
|
||||
var deep = d.getElementById(location.hash.slice(1));
|
||||
if (deep) w.setTimeout(function () { w.scrollTo(0, targetY(deep)); }, 60);
|
||||
}
|
||||
})(window, document);
|
||||
Reference in new issue
Block a user