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`; document.body.appendChild(modalOverlay); // --- 3. Crear y añadir los estilos CSS --- const styles = ` #custom-whatsapp-icon { position: fixed; /* ✅ CAMBIO: El botón ahora está al 20% de altura de la pantalla */ bottom: 20vh; right: 30px; width: 60px; height: 60px; background-color: #25D366; border-radius: 50%; display: flex; justify-content: center; align-items: center; cursor: pointer; box-shadow: 0 4px 12px rgba(0,0,0,0.2); z-index: 9998; transition: bottom 0.3s ease, transform 0.2s ease; } #custom-whatsapp-icon:hover { transform: scale(1.1); } #custom-whatsapp-modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); z-index: 9999; display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; } #custom-whatsapp-modal-overlay.visible { opacity: 1; visibility: visible; } .custom-whatsapp-modal { background-color: white; padding: 25px 30px; border-radius: 10px; text-align: center; max-width: 320px; width: 90%; font-family: sans-serif; position: relative; transform: scale(0.9); transition: transform 0.3s ease; } #custom-whatsapp-modal-overlay.visible .custom-whatsapp-modal { transform: scale(1); } .custom-whatsapp-modal h2 { font-size: 22px; color: #333; margin: 0 0 8px 0; line-height: 1.3; } .custom-whatsapp-modal p { font-size: 16px; color: #555; margin: 0 0 25px 0; line-height: 1.5; } .custom-whatsapp-modal-button { display: inline-block; background-color: #25D366; color: white; padding: 12px 25px; border-radius: 25px; text-decoration: none; font-weight: bold; transition: background-color 0.2s ease; } .custom-whatsapp-modal-button:hover { background-color: #128C7E; } .custom-whatsapp-modal-close { position: absolute; top: 10px; right: 15px; background: none; border: none; font-size: 28px; cursor: pointer; color: #999; } `; const styleSheet = document.createElement("style"); styleSheet.innerText = styles; document.head.appendChild(styleSheet); // ----------------------------------------------------------------- // MANEJADORES DE EVENTOS // ----------------------------------------------------------------- const closeButton = modalOverlay.querySelector('.custom-whatsapp-modal-close'); function showModal() { modalOverlay.classList.add('visible'); } function hideModal() { modalOverlay.classList.remove('visible'); } whatsappIcon.addEventListener('click', showModal); closeButton.addEventListener('click', hideModal); modalOverlay.addEventListener('click', function(event) { if (event.target === modalOverlay) { hideModal(); } }); // ----------------------------------------------------------------- // LÓGICA DE POSICIONAMIENTO RESPECTO AL FOOTER // ----------------------------------------------------------------- function adjustIconPosition() { const footer = document.querySelector(footerSelector); if (!footer) return; const icon = document.getElementById('custom-whatsapp-icon'); const footerRect = footer.getBoundingClientRect(); const viewportHeight = window.innerHeight; // Este es el margen en píxeles que se mantendrá sobre el footer const marginFromFooter = 30; // Si la parte superior del footer está entrando en la pantalla if (footerRect.top < viewportHeight) { const newBottom = viewportHeight - footerRect.top + marginFromFooter; icon.style.bottom = `${newBottom}px`; } else { // ✅ CAMBIO: Vuelve a la posición por defecto de 20vh icon.style.bottom = '20vh'; } } window.addEventListener('scroll', adjustIconPosition); window.addEventListener('resize', adjustIconPosition); // También al cambiar tamaño de ventana adjustIconPosition(); // Llamada inicial });