.header {
  width: 100vw;
  height: 7vw;
  top: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  box-sizing: border-box;
  background-color: var(--primaryColorTheme);
  transition: all 0.2s ease-in-out;
  box-shadow: 0 0 4vw 0 rgba(var(--secondaryColorRgbTheme), 0.1);
  position: fixed;
  z-index: 5;
}

.header-logo-container {
  width: 20%;
  height: 7vw;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.header-logo {
  width: 70%;
  height: auto;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(0, -50%);
  filter: saturate(1.5);
}

.header-nav-container {
  width: fit-content;
  height: fit-content;
}

.header-nav {
  width: fit-content;
  height: fit-content;
}

.header-item > a, .header-list > a{
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-list {
  list-style: none;
  display: flex;
  align-content: center;
  justify-content: space-between;
  flex-direction: row;
  padding: 0 1vw;
}

.header-item {
  color: var(--secondaryHeadingColorTheme);
  font-family: var(--headingFont);
  font-weight: 900;
  font-size: var(--subparagraphFontSize);
  padding: 0.6vw 1vw;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-item > a > span{
  color: var(--secondaryHeadingColorTheme);
  transition: all 0.2 ease-in-out;
}

.header-item > a > i{
  color: var(--tertiaryColor);
  transition: all 0.2 ease-in-out;
  margin-left: 0.2vw;

}

.header-button{
  background-color: var(--secondaryHeadingColorTheme);
  color: var(--tertiaryHeadingColorTheme);
  padding: 0.6vw 1vw;
  border-radius: 0.3vw;
}

.header-sublist {
  width: max-content;
  list-style: none;
  display: flex;
  align-content: center;
  justify-content: flex-start;
  flex-direction: column;
  position: absolute;
  top: 4vw;
  left: 0vw;
  padding: 0.5vw 0;
  padding-top: 0.5vw;
  margin: 0;
  box-sizing: border-box;
  background-color: rgba(var(--primaryColorRgbTheme), 0.8);
  backdrop-filter: blur(0.5vw);
  border-radius: 0 0.2vw 0.2vw 0.2vw;
  box-shadow: 0 1vw 1vw -0.5vw rgba(var(--secondaryColorRgb), 0.2);
  z-index: 2;
  visibility: hidden;
  transition: all 0.2s ease-in-out;
  opacity: 0;
  transform: perspective(400px) rotateX(-25deg);
  transform-origin: top;
}

.header-subitem{
  color: var(--secondaryHeadingColorTheme);
}

.header-sublist:hover,
.header-item:hover > .header-sublist {
  transform: perspective(400px) rotateX(0deg);
  transition: all 0.2s ease-in-out;
  opacity: 1;
  visibility: visible;
}

.header-subitem {
  transition: all 0.2s ease-in-out;
  font-weight: 700;
  padding: 0.5vw 1.5vw;
  padding-right: 4vw;
}

.header-subitem:hover {
  transition: all 0.2s ease-in-out;
  color: var(--tertiaryColor);
  background-color: rgba(var(--tertiaryColorRgb), 0.2);
}

.top-header{
  box-shadow: none;
  padding: 0 10vw;
  padding-left: 9vw;
  height: 9.5vw;
  background: linear-gradient(to bottom, #000000c0, #00000000 90%);
}

.top-header .header-logo{
  width: 80%;
  top: 50%;
  left: 0.7vw;
}

.top-header .header-nav-container{
  opacity: 0;
  animation-name: fadeIn !important;
  animation-duration: 0.2s;
  animation-delay: 0.3s;
  animation-fill-mode: forwards;
} 

.top-header .header-item{
  font-weight: 900;
  padding-bottom: 1.3vw;
}

.top-header .header-item:hover{
  background-color: rgba(var(--primaryColorRgb), 1) !important;
  border-radius: 0.2vw 0.2vw 0 0;
}

.top-header .header-item:nth-of-type(1){
  background-color: transparent !important;
}

.top-header .header-item:hover span{
  transition: all 0.2 ease-in-out;
  color: var(--secondaryHeadingColor);
}

.top-header .header-item i{
  color: var(--quinticColor);
  transition: all 0.2 ease-in-out;
}

.top-header .header-item:nth-of-type(1):hover span{
  color: var(--tertiaryHeadingColor);
}

.top-header .header-item span{
  border-bottom: 0.2vw solid transparent;
  color: var(--primaryColor);
}

.top-header .header-sublist{
  background-color: rgba(var(--primaryColorRgb), 1);
  padding: 0.5vw 0;
  top: 3.2vw;
}

.top-header .header-subitem{
  color: var(--secondaryHeadingColor);
  font-weight: 700;
}

.top-header .header-subitem:hover {
  transition: all 0.2s ease-in-out;
  color: var(--quinticColor);
  background-color: rgba(var(--quinticColorRgb), 0.2);
}

.top-header a .header-item:nth-of-type(1){
  display: block !important;
}

.top-header:not(.mobile) .dark, .top-header .light{
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
}

.top-header:not(.mobile) .top-logo{
  opacity: 1;
  transition: opacity 0.2s 0.3s ease-in-out;
}

.top-logo{
  opacity: 0;
}

.top-header .header-button{
  background-color: var(--quinticColor);
  color: var(--primaryColor) !important;
}

.top-header .switch-toggle{
  display: none;

}

.switch-toggle {
  height: 2vw;
  font-weight: 900;
}

.switch-toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  z-index: -2;
  width: 4.8vw;
  height: 2vw;
  z-index: 4000;
}

.switch-toggle input[type="checkbox"] + label {
  position: relative;
  display: inline-block;
  width: 4.5vw;
  height: 2vw;
  border-radius: 4vw;
  margin: 0;
  cursor: pointer;
  box-shadow: inset -0.2vw -0.2vw 0.4vw rgba(0,0,0,.1),
              inset 0.3vw 0.3vw 0.3vw rgba(0,0,0, .25);
  transform: scale(0.8);
}

.switch-toggle input[type="checkbox"] + label::before {
  position: absolute;
  content: "☀";
  top: 0.1vw;
  left: 0.1vw;
  width: 2vw;
  height: 1.8vw;
  font-size: 1.3vw;
  text-align: center;
  border-radius: 4vw;
  background-color: var(--primaryColorTheme);
  box-shadow: -0.2vw -0.2vw 0.3vw rgba(255,255,255,.2),
              0.2vw 0.2vw 0.3vw rgba(0,0,0, .25);
  transition: .3s ease-in-out;

}

.switch-toggle input[type="checkbox"]:checked + label::before {
  left: 100%;
  transform: translate(calc(-100% - 0.1vw), 0);
  content: "☽";
  font-size: 1.3vw;
  line-height: 1.8vw;
  background-color: var(--primaryColorTheme);
  box-shadow: -0.1vw -0.1vw 0.3vw rgba(255,255,255,.2),
              0.2vw 0.2vw 0.3vw rgba(0,0,0, .25);
}

.header-mobile-menu-button{
  width: 8vw;
  height: 6vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  display: none;
  z-index: 100;
}

.header-mobile-menu-button.active .menu-bar:nth-of-type(1){
  transform: rotate(45deg);
  position: relative;
  top: 2.6vw;
}
.header-mobile-menu-button.active .menu-bar:nth-of-type(2){
  opacity: 0;
}
.header-mobile-menu-button.active .menu-bar:nth-of-type(3){
  transform: rotate(-45deg);
  position: relative;
  top: -2.6vw;
}

.menu-bar{
  width: 100%;
  height: 0.8vw;
  background-color: var(--secondaryColorTheme);
  transition: opacity 0.2s ease-in-out;
}

.top-header .menu-bar{
  background-color: var(--primaryColor);
}

.mobile{
  display: none;
}

@keyframes fadeIn{
  0% {opacity: 0;}
  100% {opacity: 1;}
}

@media(max-width: 672px){
  .header {
    padding: 4vw 5vw;
    height: 18vw;
    padding-right: 6vw;
    box-shadow: 0 0 8vw 0 rgba(var(--secondaryColorRgbTheme), 0.1);
  }

  .header-mobile-menu-button{
    display: flex;
  }
  
  .header-logo-container {
    width: 40%;
    height: 15vw;
  }
  
  .header-logo {
    width: 100%;
    z-index: 100;
  }
  
  .header-nav-container {
    display: none;
  }
  
  .header-item {
    padding: 2vw 2.8vw;
  }
  
  .header-item > span {
    border-bottom: 0.4vw solid var(--primaryColorTheme);
  }
  
  .header-item:hover > span{
    border-bottom: 0.4vw solid var(--secondaryHeadingColorTheme);
  }
  
  .header-button{
    padding: 2vw 2.8vw;
    border-radius: 0.6vw;
  }
  
  .header-sublist {
    top: 8vw;
    padding: 1vw 0;
    padding-top: 1vw;
    border-radius: 0 0.4vw 0.4vw 0.4vw;
    box-shadow: 0 2vw 2vw -1vw rgba(var(--secondaryColorRgb), 0.2);
  }
  
  .header-subitem {
    padding: 1vw 3vw;
    padding-right: 8vw;
  }

  .header-nav-container.mobile {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: 99;
    animation: none !important;
    display: none;
    background-color: rgba(var(--primaryColorRgbTheme), 0.9);
    backdrop-filter: blur(3vw);
  }

  .mobile .header-nav{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile .header-list{
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
    position: absolute;
    box-sizing: border-box;
    padding: 0 5vw;
  }

  .mobile .header-sublist{
    position: relative;
    padding: 0 !important;
    margin-bottom: 8vw;
    top: 4vw !important;
    display: block;
    opacity: 1;
    visibility: visible;
    transform: none;
    backdrop-filter: none;
    box-shadow: none;
    background-color: transparent;
    align-items: flex-start;
    display: flex;
    flex-direction: column;
  }

  .mobile .header-item{
    color: var(--secondaryHeadingColorTheme) !important;
    font-size: 6vw;
    padding-bottom: 2vw !important;
    align-items: flex-start;
    display: flex;
    flex-direction: column;
  }

  .mobile .header-item i{
    display: none;
  }

  .mobile .header-item span{
    color: inherit;
    border-bottom: 0 !important;
  }

  .mobile .header-subitem{
    color: var(--secondaryColorTheme) !important;
    font-size: 4vw;
    margin: 0;
    padding: 0.5vw 3vw !important;
  }

  .header-nav-container.mobile.active {
    display: flex !important;
    opacity: 1 !important;
  }

  .mobile .header-button{
    padding: 3vw 4.8vw !important;
    margin-top: 10vw !important;
    display: flex !important;
  }

  .mobile .header-button{
    color: var(--tertiaryHeadingColor) !important;
    background-color: var(--primaryHeadingColorTheme) !important;
  }

  #mobileMenuContainer > nav > ul > a:nth-child(9){
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  :is(.mobile.active ~ .header-mobile-menu-button) .menu-bar{
    background-color: var(--secondaryColorTheme);
  }

  :is(.mobile.active ~ .header-logo-container) .top-logo{
    opacity: 0 !important;
  }

  [data-theme="dark"] :is(.mobile.active ~ .header-logo-container) .dark,
  [data-theme="light"] :is(.mobile.active ~ .header-logo-container) .light{
    opacity: 1 !important;
  }

  .mobile .switch-toggle{
    position: fixed;
    display: block !important;
    margin-bottom: 10vw !important;
    top: 5.5vw;
    left: 64vw;
  }
  
  .top-header{
    padding: 4vw 5vw;
    height: 18vw;
    padding-right: 6vw;
  }
  
  .top-header .header-logo{
    width: 100%;
    top: 50%;
    left: 1.4vw;
  }
  
  .top-header .header-item{
    padding-bottom: 3.6vw;
  }
  
  .top-header .header-item:hover{
    border-radius: 0.4vw 0.4vw 0 0;
    background-color: transparent !important;
  }

  .top-header .header-item:hover span{
    color: inherit;
  }
  
  .top-header .header-item span{
    border-bottom: 0.4vw solid transparent;
  }
  
  .top-header .header-sublist{
    padding: 1vw 0;
    top: 8.8vw;
  }

  .top-header .header-subitem:hover {
    background-color: rgba(var(--tertiaryColorRgb), 0.2);
  } 
  
  .switch-toggle {
    height: 8vw;
  }

  .switch-toggle input[type="checkbox"]{
    width: 18vw !important;
    height: 8vw !important;
  }
  
  .switch-toggle input[type="checkbox"] + label {
    width: 18vw;
    height: 8vw;
    border-radius: 16vw;
    box-shadow: inset -0.8vw -0.8vw 1.6vw rgba(0,0,0,.1),
                inset 1.2vw 1.2vw 1.2vw rgba(0,0,0, .25);
    
  }
  
  .switch-toggle input[type="checkbox"] + label::before {
    top: 0.4vw;
    left: 0.4vw;
    width: 8vw;
    height: 7.2vw;
    font-size: 5.2vw;
    border-radius: 16vw;
    box-shadow: -0.8vw -0.8vw 1.2vw rgba(255,255,255,.2),
                0.8vw 0.8vw 1.2vw rgba(0,0,0, .25);
  }
  
  .switch-toggle input[type="checkbox"]:checked + label::before {
    font-size: 5.2vw;
    line-height: 7.2vw;
    box-shadow: -0.4vw -0.4vw 1.2vw rgba(255,255,255,.2),
                0.8vw 0.8vw 1.2vw rgba(0,0,0, .25);
  }
}