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 – Energie-Haus
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Tabs + Hotspots steuern, welches System im Hausschnitt hervorgehoben wird.
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Solange niemand klickt, wechseln die Komponenten automatisch.
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========================================================================== */
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(function (w, d) {
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'use strict';
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var root = d.querySelector('[data-house]');
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if (!root) return;
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var tabs = Array.prototype.slice.call(root.querySelectorAll('[role="tab"]'));
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var parts = Array.prototype.slice.call(root.querySelectorAll('.part'));
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var hotspots = Array.prototype.slice.call(root.querySelectorAll('.hotspot'));
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var systems = Array.prototype.slice.call(root.querySelectorAll('.sys'));
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var progress = root.querySelector('[data-house-progress]');
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var order = tabs.map(function (t) { return t.getAttribute('data-part'); });
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var reduce = w.matchMedia('(prefers-reduced-motion: reduce)').matches;
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var DURATION = 6500;
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var current = null;
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var autoplay = !reduce;
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var inView = false;
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var hovering = false;
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var elapsed = 0, last = 0, raf = 0;
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hotspots.forEach(function (h) {
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h.setAttribute('aria-controls', 'part-' + h.getAttribute('data-part'));
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});
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function activate(id, focusTab) {
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if (id === current) return;
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current = id;
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root.setAttribute('data-active', id);
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tabs.forEach(function (t) {
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var on = t.getAttribute('data-part') === id;
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t.setAttribute('aria-selected', on ? 'true' : 'false');
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t.tabIndex = on ? 0 : -1;
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if (on && focusTab) t.focus();
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});
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parts.forEach(function (p) {
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var on = p.getAttribute('data-part') === id;
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p.hidden = !on;
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p.classList.toggle('is-active', on);
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});
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hotspots.forEach(function (h) {
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var on = h.getAttribute('data-part') === id;
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h.classList.toggle('is-active', on);
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h.setAttribute('aria-pressed', on ? 'true' : 'false');
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});
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systems.forEach(function (s) { s.classList.toggle('is-on', s.getAttribute('data-sys') === id); });
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elapsed = 0;
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}
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function stopAutoplay() {
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autoplay = false;
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if (progress) progress.style.transform = 'scaleX(0)';
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if (raf) w.cancelAnimationFrame(raf);
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raf = 0;
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}
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function tick(now) {
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raf = 0;
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if (!autoplay || !inView || hovering) return;
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var dt = last ? now - last : 16;
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last = now;
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elapsed += Math.min(dt, 100);
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if (progress) progress.style.transform = 'scaleX(' + Math.min(elapsed / DURATION, 1) + ')';
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if (elapsed >= DURATION) {
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var next = order[(order.indexOf(current) + 1) % order.length];
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activate(next, false);
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}
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raf = w.requestAnimationFrame(tick);
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}
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function run() {
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if (!autoplay || !inView || hovering || raf) return;
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last = 0;
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raf = w.requestAnimationFrame(tick);
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}
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tabs.forEach(function (t) {
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t.addEventListener('click', function () { stopAutoplay(); activate(t.getAttribute('data-part'), false); });
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});
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hotspots.forEach(function (h) {
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h.addEventListener('click', function () { stopAutoplay(); activate(h.getAttribute('data-part'), false); });
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});
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// Tastatursteuerung nach WAI-ARIA Tabs-Pattern
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var tablist = root.querySelector('[role="tablist"]');
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if (tablist) {
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tablist.addEventListener('keydown', function (e) {
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var i = order.indexOf(current), n = order.length, to = -1;
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if (e.key === 'ArrowRight' || e.key === 'ArrowDown') to = (i + 1) % n;
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else if (e.key === 'ArrowLeft' || e.key === 'ArrowUp') to = (i - 1 + n) % n;
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else if (e.key === 'Home') to = 0;
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else if (e.key === 'End') to = n - 1;
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if (to < 0) return;
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e.preventDefault();
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stopAutoplay();
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activate(order[to], true);
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});
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}
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// Pausieren, solange der Nutzer mit der Maus im Bereich ist
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root.addEventListener('pointerenter', function (e) {
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if (e.pointerType === 'mouse') { hovering = true; if (raf) { w.cancelAnimationFrame(raf); raf = 0; } }
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});
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root.addEventListener('pointerleave', function (e) {
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if (e.pointerType === 'mouse') { hovering = false; run(); }
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});
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if ('IntersectionObserver' in w) {
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new IntersectionObserver(function (entries) {
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inView = entries[0].isIntersecting;
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if (inView) run();
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}, { threshold: 0.35 }).observe(root);
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}
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activate(order[0], false);
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})(window, document);
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