#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  box-sizing: border-box;
  padding: var(--header-padding-top) var(--header-padding-sides) var(--header-padding-bottom);
  display: flex;
  align-items: center;
  border-bottom: var(--header-border-bottom);
  justify-content: space-between;
  gap: var(--header-gap);
  z-index: 100;
  color: var(--header-color);
  font-weight: var(--font-weight-header);
  background-color: var(--header-background-color);
}
#header:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  z-index: 0;
  backdrop-filter: var(--blur);
}
#header > * {
  z-index: 1;
}


#header-logo {
  flex-grow: 0;
  flex-shrink: 1;
  height: var(--logo-height);
  transform: translateY(var(--logo-offset));
}

#main-nav {
  flex-grow: 1;
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
  visibility: hidden;
}
.button.cta-button {
  visibility: hidden;
  font-weight: var(--font-weight-header);
}
#header.nav-ready #main-nav,
#header.nav-ready .cta-button {
  visibility: visible;
}
#main-nav.collapsed {
  display: flex;
  justify-content: center;
  flex-grow: 0;
}
@media (max-width: 720px) {
  #main-nav {
    display: flex;
    justify-content: center;
    flex-grow: 0;
    visibility: visible;
  }
  #main-nav #main-nav-toggle {
    display: flex;
  }
  #main-nav #main-nav-list {
    display: none;
  }
  #main-nav.open #main-nav-list {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--header-background-color);
    backdrop-filter: var(--blur);
  }
  #main-nav.open #main-nav-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  #main-nav.open #main-nav-toggle span:nth-child(2) {
    opacity: 0;
  }
  #main-nav.open #main-nav-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
  #main-nav .main-nav-item {
    margin: 0;
    padding: 0;
  }
  #main-nav .main-nav-link {
    display: block;
    padding: 1em var(--header-padding-sides);
    border-bottom: var(--header-border-bottom);
  }
  #header .cta-button {
    display: none;
  }
  #main-nav .main-nav-cta {
    display: list-item;
  }
}
@media (min-width: 721px) and (max-width: 900px) {
  #header:not(.nav-ready) #main-nav {
    flex-grow: 0;
  }
  #header:not(.nav-ready) #main-nav-list {
    display: none;
  }
  #header:not(.nav-ready) #main-nav-toggle {
    display: flex;
  }
  #header:not(.nav-ready) .cta-button {
    display: none;
  }
}
#main-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 1em;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
  margin-right: -1em;
}
#main-nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 10px;
  transition: transform 0.1s ease, opacity 0.1s ease;
}
#main-nav.collapsed.open #main-nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
#main-nav.collapsed.open #main-nav-toggle span:nth-child(2) {
  opacity: 0;
}
#main-nav.collapsed.open #main-nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
#main-nav.collapsed #main-nav-toggle {
  display: flex;
}
#main-nav.collapsed #main-nav-list {
  display: none;
}
#main-nav.collapsed.open #main-nav-list {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--header-background-color);
  backdrop-filter: var(--blur);
}
#main-nav-list {
  display: flex;
  justify-content: space-evenly;
}
.main-nav-item {
  text-transform: uppercase;
  flex-shrink: 0;
  white-space: nowrap;
  margin: 0 1em;
}
.main-nav-item.active .main-nav-link {
  text-decoration: underline;
  text-underline-offset: var(--text-underline-offset);
  text-decoration-thickness: var(--text-decoration-thickness);
}
@media (hover: hover) {
  .main-nav-item .main-nav-link:hover {
    text-decoration: underline;
    text-underline-offset: var(--text-underline-offset);
    text-decoration-thickness: var(--text-decoration-thickness);
  }
}

#main-nav.collapsed .main-nav-item {
  margin: 0;
  padding: 0;
}
#main-nav.collapsed .main-nav-link {
  display: block;
  padding: 1em var(--header-padding-sides);
  border-bottom: var(--header-border-bottom);
}

#header.has-collapsed-nav .cta-button {
  display: none;
}

.main-nav-cta {
  display: none;
}
#main-nav.collapsed .main-nav-cta {
  display: list-item;
}