document.getElementById('apart-cont').addEventListener('click', function (e) {
e.preventDefault();

const $select = jQuery('select[name="select-1[]"]');

let current = $select.val() || [];

let newValue = 'Apartment 06 Type B — 78 m² (with Split Option)';

if (!current.includes(newValue)) {
current.push(newValue);
}

$select.val(current).trigger('change');

setTimeout(() => {
const section = document.getElementById('contact');

window.scrollTo({
top: section.getBoundingClientRect().top + window.scrollY,
behavior: 'smooth'
});
}, 200);
});