#main-header{position:sticky;top:0;z-index:9999}#top-header{position:relative;z-index:10000}.et_mobile_menu{max-height:80vh;overflow-y:auto;-webkit-overflow-scrolling:touch}.mobile_nav.opened .et_mobile_menu{max-height:80vh;overflow-y:auto}.mobile-book-btn{display:none}@media (max-width:980px){.mobile-book-btn{display:block;position:fixed;bottom:20px;right:20px;background-color:#0D5F85;color:#fff;padding:12px 18px;border-radius:50px;font-weight:600;text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,0.2);z-index:9999;transition:all 0.3s ease}.mobile-book-btn:hover{background-color:#0a4c6a}}