.header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  padding: 20px 0 0;
  width: 100%;
}

.header.active {
  position: fixed;
  top: 35px;
  padding: 20px 15px;
}

.header.active .container {
  max-width: 1200px;
  margin: auto;
}

.header .nav-toggler {
  width: 50px;
  height: 50px;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  background-color: var(--white-alpha-25);
  border: 1px solid var(--white-alpha-40);
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 15px;
  z-index: 1;
  transition: all 0.4s ease-in-out;
}

.header .nav-toggler.hide {
  opacity: 0;
  visibility: hidden;
  transition: none;
}

.header .nav-toggler span {
  height: 2px;
  width: 24px;
  background-color: var(--main-color);
  position: relative;
  transition: background-color 0.3s ease;
}

.header.active .nav-toggler span {
  background-color: transparent;
}

.header .nav-toggler span::before,
.header .nav-toggler span::after {
  content: '';
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: var(--main-color);
  transition: all 0.3s ease;
}

.header .nav-toggler span::before {
  left: 0;
  transform: translateY(-8px);
}

.header.active .nav-toggler span::before {
  transform: rotate(45deg);
}

.header .nav-toggler span::after {
  right: 0;
  transform: translateY(8px);
}

.header.active .nav-toggler span::after {
  transform: rotate(-45deg);
}

.header:not(.active) .nav-toggler:hover span::before,
.header:not(.active) .nav-toggler:hover span::after {
  width: 50%;
}

.header .nav {
  position: fixed;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  padding: 35px 15px;
  overflow-y: auto;
  visibility: hidden;
}

.header.active .nav {
  visibility: visible;
}

.header .nav-inner {
  min-height: calc(100vh - 70px);
  max-width: 1200px;
  margin: auto;
  background-color: var(--white-alpha-25);
  border: 1px solid var(--white-alpha-40);
  backdrop-filter: var(--backdrop-filter-blur);
  padding: 50px 0;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.4s ease;
}

.header.active .nav-inner {
  opacity: 1;
}

.header.active .nav-inner ul {
  animation: move-to-right 0.7s ease-out 0.3s backwards;
}

.header .nav-inner ul li {
  text-align: center;
}

.header .nav-inner ul li a {
  font-size: 40px;
  text-transform: capitalize;
  color: var(--blue-dark);
  display: block;
  font-weight: 500;
  padding: 8px 15px;
  transition: color 0.3s ease;
  position: relative;
}

.header .nav-inner ul li a::before {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  height: 50%;
  width: 0%;
  background-color: var(--white-alpha-25);
  z-index: -1;
  transition: all 0.4s ease-in-out;
}

.header .nav-inner ul li a:hover::before {
  width: 100%;
}

.header .nav-inner ul li a:hover {
  color: var(--main-color);
}