.header-mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, .82);
  color: #fff;
  z-index: 30;
  backdrop-filter: blur(14px);
}

.header-mobile-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 10px;
}

.mobile-nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}

.header-mobile.menu-open .mobile-nav {
  max-height: 260px;
}

.mobile-nav a {
  display: block;
  padding: 10px 20px;
  color: #fff;
}

@media (min-width: 769px) {
  .header-mobile {
    display: none;
  }
}