8666bc1eec
- Convert 34 images (PNG/JPG) to WebP at quality 80 - Total savings: 21.6 MB → 2.8 MB (87% reduction) - Add <picture> elements with WebP source + original fallback - Add loading=lazy to all below-the-fold images - Update lightbox to serve WebP images with error fallback
130 lines
3.9 KiB
JavaScript
130 lines
3.9 KiB
JavaScript
$(function () {
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// Navbar scroll
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$(window).on("scroll", function () {
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if ($(this).scrollTop() > 60) $("#navbar").addClass("scrolled");
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else $("#navbar").removeClass("scrolled");
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});
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// Hero animation on load
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setTimeout(function () {
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$("#heroContent").addClass("visible");
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$("#heroBg").addClass("loaded");
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}, 200);
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// Scroll animations
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function checkVisible() {
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$(".fact, [data-animate]").each(function () {
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var el = $(this);
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var top = el.offset().top;
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var windowBottom = $(window).scrollTop() + $(window).height();
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if (windowBottom > top + 60) {
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el.addClass("visible");
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el.css({ opacity: 1, transform: "translateY(0)" });
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}
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});
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}
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$("[data-animate]").css({
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opacity: 0,
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transform: "translateY(30px)",
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transition: "opacity 0.8s ease, transform 0.8s ease",
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});
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$(window).on("scroll", checkVisible);
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checkVisible();
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// Floor accordion
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$(".floor-header").on("click", function () {
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var item = $(this).closest(".floor-item");
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var isOpen = item.hasClass("open");
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$(".floor-item").removeClass("open");
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$(".floor-body").slideUp(300);
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if (!isOpen) {
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item.addClass("open");
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item.find(".floor-body").slideDown(300);
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}
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});
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// Lightbox – gallery grid items
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$(document).on("click", ".grid-item", function () {
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var src = $(this).data("img") || $(this).find("img").attr("src");
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$("#lightboxImg").on("error", function () {
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// WebP fallback: try original format
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var fallback = src.replace(/\.webp$/, src.endsWith('.webp') ? '.png' : '.jpg');
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if ($(this).attr('src') !== fallback) $(this).attr('src', fallback);
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});
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$("#lightboxImg").attr("src", src);
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$("#lightbox").addClass("open");
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$("body").css("overflow", "hidden");
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});
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// Lightbox – floor plan images in Raumaufteilung
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$(document).on("click", ".floor-plan img[data-img]", function () {
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var src = $(this).data("img");
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$("#lightboxImg").on("error", function () {
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var fallback = src.replace(/\.webp$/, '.png');
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if ($(this).attr('src') !== fallback) $(this).attr('src', fallback);
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});
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$("#lightboxImg").attr("src", src);
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$("#lightbox").addClass("open");
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$("body").css("overflow", "hidden");
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});
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$("#lightboxClose, #lightbox").on("click", function (e) {
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if (e.target === this) {
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$("#lightbox").removeClass("open");
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$("body").css("overflow", "");
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}
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});
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$(document).on("keydown", function (e) {
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if (e.key === "Escape") {
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$("#lightbox").removeClass("open");
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$("body").css("overflow", "");
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}
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});
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// Form submit is handled server-side by PHP – no JS intervention needed.
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});
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// Mobile hamburger menu (vanilla JS)
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(function () {
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var hamburger = document.querySelector(".nav-hamburger");
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var nav = document.getElementById("navbar");
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var overlay = document.querySelector(".nav-mobile-overlay");
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var links = nav ? nav.querySelectorAll(".nav-links a") : [];
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function toggleMenu() {
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var isOpen = hamburger.classList.toggle("active");
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nav.classList.toggle("mobile-open", isOpen);
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if (overlay) overlay.classList.toggle("active", isOpen);
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hamburger.setAttribute("aria-expanded", isOpen);
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document.body.style.overflow = isOpen ? "hidden" : "";
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}
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function closeMenu() {
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hamburger.classList.remove("active");
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nav.classList.remove("mobile-open");
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if (overlay) overlay.classList.remove("active");
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hamburger.setAttribute("aria-expanded", "false");
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document.body.style.overflow = "";
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}
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if (hamburger) {
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hamburger.addEventListener("click", toggleMenu);
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}
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if (overlay) {
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overlay.addEventListener("click", closeMenu);
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}
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links.forEach(function (link) {
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link.addEventListener("click", closeMenu);
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});
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document.addEventListener("keydown", function (e) {
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if (e.key === "Escape") closeMenu();
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});
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// Close on resize to desktop
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window.addEventListener("resize", function () {
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if (window.innerWidth > 900) closeMenu();
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});
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})();
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