(function () { function initFireSafetyLanding() { // 1. Scroll-triggered Smooth Fade Up Animation (IntersectionObserver) var animatedElements = document.querySelectorAll('#fire-safety-landing .fs-section'); if ('IntersectionObserver' in window) { var observer = new IntersectionObserver(function (entries) { entries.forEach(function (entry) { if (entry.isIntersecting) { entry.target.classList.add('fs-visible'); } }); }, { root: null, rootMargin: '0px 0px -40px 0px', threshold: 0.08 }); animatedElements.forEach(function (el) { observer.observe(el); }); } else { animatedElements.forEach(function (el) { el.classList.add('fs-visible'); }); } // 2. CTA Button Smooth Scroll to Final Section var ctaBtn = document.getElementById('fs-hero-cta-btn'); if (ctaBtn) { ctaBtn.addEventListener('click', function (e) { e.preventDefault(); var targetSection = document.getElementById('fs-final-section'); if (targetSection) { targetSection.scrollIntoView({ behavior: 'smooth', block: 'center' }); } }); } // 3. Auto-pause video when scrolled down or out of viewport var videoEl = document.querySelector('#fire-safety-landing .fs-video'); if (videoEl) { if ('IntersectionObserver' in window) { var videoObserver = new IntersectionObserver(function (entries) { entries.forEach(function (entry) { if (!entry.isIntersecting || entry.intersectionRatio < 0.2) { if (!videoEl.paused) { videoEl.pause(); } } }); }, { threshold: [0, 0.2, 0.5, 0.8, 1.0] }); videoObserver.observe(videoEl); } // Fallback scroll listener for both window and container scroll var handleScrollVideoPause = function () { if (!videoEl.paused) { var rect = videoEl.getBoundingClientRect(); var windowHeight = window.innerHeight || document.documentElement.clientHeight; // If video top goes above the viewport or bottom goes below viewport if (rect.bottom windowHeight - 40) { videoEl.pause(); } } }; window.addEventListener('scroll', handleScrollVideoPause, { passive: true, capture: true }); document.addEventListener('scroll', handleScrollVideoPause, { passive: true, capture: true }); } // 4. Carousel Initialization var container = document.getElementById('fs-carousel-container'); if (!container) return; var track = document.getElementById('fs-carousel-track'); var prevBtn = document.getElementById('fs-prev-btn'); var nextBtn = document.getElementById('fs-next-btn'); var dotsContainer = document.getElementById('fs-carousel-dots'); if (!track) return; var slides = track.querySelectorAll('.fs-slide'); var totalSlides = slides.length; var currentIndex = 0; var autoPlayTimer = null; var isDragging = false; var startX = 0; function getVisibleSlidesCount() { var width = window.innerWidth || document.documentElement.clientWidth; if (width >= 800) return 3; if (width >= 600) return 2; return 1; } function getMaxIndex() { var visibleCount = getVisibleSlidesCount(); return Math.max(0, totalSlides - visibleCount); } function createDots() { if (!dotsContainer) return; dotsContainer.innerHTML = ''; var maxIdx = getMaxIndex(); for (var i = 0; i <= maxIdx; i++) { var dot = document.createElement('button'); dot.className = 'fs-dot' + (i === currentIndex ? ' fs-active-dot' : ''); dot.setAttribute('type', 'button'); dot.setAttribute('data-index', i); dot.setAttribute('aria-label', 'Go to slide ' + (i + 1)); (function (idx) { dot.addEventListener('click', function () { goToSlide(idx); resetAutoPlay(); }); })(i); dotsContainer.appendChild(dot); } } function updateDots() { if (!dotsContainer) return; var dots = dotsContainer.querySelectorAll('.fs-dot'); dots.forEach(function (d, idx) { if (idx === currentIndex) { d.classList.add('fs-active-dot'); } else { d.classList.remove('fs-active-dot'); } }); } function updateSlidePosition() { var visibleCount = getVisibleSlidesCount(); var slidePercentage = 100 / visibleCount; var offset = -(currentIndex * slidePercentage); track.style.transform = 'translateX(' + offset + '%)'; updateDots(); } function goToSlide(index) { var maxIdx = getMaxIndex(); if (index maxIdx) { currentIndex = 0; } else { currentIndex = index; } updateSlidePosition(); } function nextSlide() { var maxIdx = getMaxIndex(); if (currentIndex >= maxIdx) { currentIndex = 0; } else { currentIndex++; } updateSlidePosition(); } function prevSlide() { var maxIdx = getMaxIndex(); if (currentIndex 40) { prevSlide(); } else if (diffX maxIdx) { currentIndex = maxIdx; } createDots(); updateSlidePosition(); }); createDots(); updateSlidePosition(); startAutoPlay(); } if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', initFireSafetyLanding); } else { initFireSafetyLanding(); } })();