header {
  user-select: none;
  z-index: 100;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  height: 3rem;
  animation: 0.6s ease-in-out 0s 1 appear, 0.6s ease-in-out 0s 1 slide-down;
}
header::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  animation: 0.6s ease-in-out 0s 1 appear, 0.6s ease-in-out 0s 1 slide-down;
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  z-index: -10;
}
header * {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
header > main {
  height: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  opacity: 0;
  animation: 1s ease-in-out 0.3s 1 appear;
  animation-fill-mode: forwards;
}
header > main .left-part .image-wrapper,
header > main .left-part p,
header > main nav ul li a {
  transition: all 0.2s ease;
}
header > main .left-part .image-wrapper:hover,
header > main .left-part p:hover,
header > main nav ul li a:hover {
  filter: opacity(0.5);
}
header > main .left-part {
  height: 3rem;
}
header > main .left-part .image-wrapper {
  width: 3rem;
  height: 3rem;
}
header > main .left-part .image-wrapper img {
  box-sizing: border-box;
  width: 100%;
  padding: 0.8rem;
  transform: translateY(-2%);
}
header > main .left-part p {
  margin-left: 0.8rem;
  font-family: "Montserrat";
  font-weight: 500;
  color: white;
}
header > main nav ul {
  gap: min(1rem + 2vw, 3rem);
  padding: 0;
}
header > main nav ul li {
  list-style: none;
}
header > main nav ul li a {
  padding: 0.5rem;
  font-family: "Montserrat";
  font-weight: 300;
  color: white;
}
header > main nav ul li button {
  font-size: min(0.5rem + 1vw, 1.1rem);
  color: white;
  text-decoration: none;
  transition: color 0.2s ease;
}
@media (max-width: 800px) {
  header > main {
    width: 90vw;
  }
}
header .toggle-button {
  opacity: 0;
  animation: 1s ease-in-out 0.3s 1 appear;
  animation-fill-mode: forwards;
  width: 1.8rem;
  height: 1.2rem;
  display: none;
  position: absolute;
  top: calc(0.9rem - 1px);
  right: 0.9rem;
  flex-direction: column;
  justify-content: space-between;
  transform: rotate(0deg);
  transition: 0.5s ease-in-out;
  cursor: pointer;
}
header .toggle-button:hover > span {
  background: #ada2a8;
  transition: 0.2s;
}
header .toggle-button span {
  background-color: white;
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  border-radius: 9px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: 0.25s ease-in-out;
}
header .toggle-button span:nth-child(1) {
  top: 0px;
}
header .toggle-button span:nth-child(2), header .toggle-button span:nth-child(3) {
  top: 0.6rem;
}
header .toggle-button span:nth-child(4) {
  top: 1.2rem;
}
header .toggle-button.navbar-open span:nth-child(1) {
  top: 1.2rem;
  width: 0%;
  left: 50%;
}
header .toggle-button.navbar-open span:nth-child(2) {
  transform: rotate(45deg);
}
header .toggle-button.navbar-open span:nth-child(3) {
  transform: rotate(-45deg);
}
header .toggle-button.navbar-open span:nth-child(4) {
  top: 1.2rem;
  width: 0%;
  left: 50%;
}
@media (max-width: 700px) {
  header {
    height: auto;
  }
  header .toggle-button {
    display: flex;
  }
  header main {
    flex-direction: column;
  }
  header main .left-part {
    height: 3rem;
  }
  header main .left-part .image-wrapper {
    position: absolute;
    left: 0;
  }
  header main .left-part p {
    font-size: 1.2rem;
  }
  header main nav {
    width: 100vw;
    max-height: 0;
    overflow: hidden;
    transition: all 0.45s ease;
  }
  header main nav.navbar-btn-active {
    max-height: 13.7rem;
  }
  header main nav ul {
    flex-direction: column;
    padding-top: 1.5rem;
    font-size: 1.2rem;
    width: 100%;
    gap: 1rem;
  }
  header main nav ul li {
    width: 100%;
  }
  header main nav ul li a {
    width: 100%;
    display: inline-block;
    text-align: center;
    padding: 0.8rem 0;
  }
  header main nav ul li a:hover {
    background: rgba(255, 255, 255, 0.2);
    filter: opacity(0.9);
  }
}

.navbar-link-selected {
  filter: opacity(0.5);
}
.navbar-link-selected::hover {
  filter: opacity(0.5);
}