var burgerBtn=document.querySelector(".mn-toggle"),nav=document.querySelector(".potolok__fade-panel"),overlay=document.querySelector(".potolok__overlay"),b=document.querySelector("body");burgerBtn.addEventListener("click",(function(){this.classList.toggle("active"),nav.classList.toggle("active"),overlay.classList.toggle("active"),nav.classList.contains("active")?b.style.overflow="hidden":b.style.overflow="inherit"}));var i,acc=document.querySelectorAll(".otvety__btn");for(i=0;i<acc.length;i++)acc[i].addEventListener("click",(function(){this.classList.toggle("active");var e=this.nextElementSibling;e.style.height===e.scrollHeight+"px"?e.style.height="0px":e.style.height=e.scrollHeight+"px"}));var videoBlock=document.querySelectorAll(".video-wrap__preview");videoBlock.forEach((function(e){var t=e.getAttribute("data-id");e.style.backgroundImage='url("https://img.youtube.com/vi/'+t+'/hqdefault.jpg")',e.children[0].addEventListener("click",(function(e){var l=this.parentNode,i=l.nextElementSibling;i.setAttribute("src","https://www.youtube.com/embed/"+t),l.style.display="none",i.style.display="block"}))}));