// style> .smart-button, .menu-icon, .svg-icon { transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, fill 0.3s ease, stroke 0.3s ease; } script> document.addEventListener("DOMContentLoaded", function () { // Disable on mobile / tablet if (window.innerWidth < 479) return; const buttons = document.querySelectorAll(".smart-button"); const menuLines = document.querySelectorAll(".menu-icon"); const svgIcons = document.querySelectorAll(".svg-icon"); const sections = document.querySelectorAll("[data-bg]"); if ((!buttons.length && !menuLines.length && !svgIcons.length) || !sections.length) return; function getBgUnderElement(el) { const rect = el.getBoundingClientRect(); const centerY = rect.top + rect.height / 2; const centerX = rect.left + rect.width / 2; let bg = "dark"; // default sections.forEach(section => { const secRect = section.getBoundingClientRect(); if ( centerY >= secRect.top && centerY <= secRect.bottom && centerX >= secRect.left && centerX <= secRect.right ) { bg = section.getAttribute("data-bg") || "dark"; } }); return bg; } function updateColors() { // Buttons buttons.forEach(btn => { const bg = getBgUnderElement(btn); const isLight = bg === "light"; btn.style.backgroundColor = isLight ? "black" : "white"; btn.style.color = isLight ? "white" : "black"; btn.style.borderColor = isLight ? "black" : "white"; }); // Menu lines menuLines.forEach(line => { const bg = getBgUnderElement(line); const isLight = bg === "light"; line.style.backgroundColor = isLight ? "black" : "white"; }); // SVG icons svgIcons.forEach(svg => { const bg = getBgUnderElement(svg); const isLight = bg === "light"; // If your SVG uses currentColor svg.style.color = isLight ? "black" : "white"; // Or if it uses explicit fill/stroke (fallback) svg.style.fill = isLight ? "black" : "white"; svg.style.stroke = isLight ? "black" : "white"; }); } window.addEventListener("scroll", updateColors); window.addEventListener("resize", updateColors); updateColors(); });