body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
}

.main-header {
  position: sticky;
  top: 0;
  width: 100%;
 background: rgba(255, 251, 251, 0.1); 
  backdrop-filter: blur(10px);
  z-index: 999;
  transition: 0.3s;
  box-shadow: 0 3px 16px 0 rgba(0,0,0,0.1),0 1px 2px 0 rgba(0,0,0,0.08);
}
.container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0px 0%;
  max-width: 93%;
}

.logo h2 {
  color: #fff;
  margin: 0;
}

.logo span {
  color: #00f5d4;
}

.nav-menu ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu ul li {
  margin: 0 15px;
}

.nav-menu ul li a {
  text-decoration: none;
  color: #fff;
  font-weight: 500;
  transition: 0.3s;
}

.nav-menu ul li a:hover {
  color: #e61c24;
}

.book-btn {
  background: #e62f35;
  color: #fff;
  padding: 8px 18px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.book-btn:hover {
  background: #fff;
}

.menu-toggle {
  display: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

/* Responsive */
@media(max-width: 991px){
  .nav-menu {
    position: absolute;
    top: 70px;
    left: -100%;
    width: 100%;
    background: #111;
    transition: 0.3s;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu ul {
    flex-direction: column;
    text-align: center;
  }

  .nav-menu ul li {
    margin: 20px 0;
  }

  .menu-toggle {
    display: block;
  }

  .header-btn {
    display: none;
  }
}