.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  background-color: transparent;
  transition: all 0.3s ease;
  z-index: var(--z-50);
}
.navbar.scrolled {
  background-color: rgba(var(--bg-color-rgb), 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--box-shadow);
}
@supports (-webkit-backdrop-filter: blur(10px)) {
  .navbar.scrolled {
    -webkit-backdrop-filter: blur(10px);
  }
}
@media screen and (max-width: 768px) {
  .navbar.scrolled .mobile-menu {
    background-color: rgba(var(--bg-color-rgb), 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
}