Мировой партнёр в области оптовых поставок и производства ковровых покрытий

document.addEventListener("DOMContentLoaded", function () { const duration = 4000; const bars = document.querySelectorAll('.progress-bar_2 span'); const sliderSection = document.querySelector('#timeline-slider'); let timer = null; let isInView = false; const swiper = new Swiper('.journeyslider .swiper', { slidesPerView: 1.2, spaceBetween: 30, loop: false, speed: 700, navigation: { nextEl: '.swiper-button-next', prevEl: '.swiper-button-prev' }, breakpoints: { 0: { slidesPerView: 1.1, spaceBetween: 12 }, 768: { slidesPerView: 1.2, spaceBetween: 30 } }, on: { slideChange() { if (isInView) updateProgress(this.activeIndex); } } }); // ---------- PROGRESS ---------- function updateProgress(index) { clearTimeout(timer); bars.forEach((bar, i) => { const parent = bar.parentElement; parent.classList.remove('activeDots'); bar.style.transition = 'none'; if (i { const parent = bar.parentElement;parent.addEventListener('click', () => { if (!isInView) return;clearTimeout(timer);swiper.slideTo(index); updateProgress(index); }); }); const currentBar = bars[index]; const currentParent = currentBar.parentElement; // add active class currentParent.classList.add('activeDots'); currentBar.style.width = '0%'; requestAnimationFrame(() => { currentBar.style.transition = `width ${duration}ms linear`; currentBar.style.width = '100%'; }); if (index { swiper.slideNext(); }, duration); } } // ---------- INTERSECTION OBSERVER ---------- const observer = new IntersectionObserver( ([entry]) => { if (entry.isIntersecting) { isInView = true; updateProgress(swiper.activeIndex); } else { isInView = false; clearTimeout(timer); } }, { threshold: 0.5 } ); observer.observe(sliderSection); });