.space {
  flex: 1;
}
header {
  white-space: nowrap;
  padding: 0.5rem var(--margin);
  display: flex;
  flex-direction: row;
  justify-content: center;
}
.header-content {
  flex: 1 0 auto;
}
.header-main {
  position: relative;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex: 1;
}
.header-input {
  touch-action: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border: none;
  margin: 0;
  padding: 0;
  width: 2rem;
  height: 2rem;
  background-image: url("/assets/burger.lB40BaFX.svg");
  background-size: contain;
}
.header-input:active {
  transform: scale(0.875);
}

/* Desktop - menu items inline */
@media (width >= 900px) {
  .header-input {
    display: none;
  }
  .header-menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    flex: 1;
  }
}

/* Mobile - hamburger menu */
@media (width < 900px) {
  .header-input {
    display: block;
  }
  .header-content {
    z-index: 1;
    position: absolute;
    top: 100%;
    right: 0%;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    transition: ease-out 300ms;
  }
  .header-input:checked ~ .header-content {
    pointer-events: initial;
    opacity: 1;
  }
  .header-up {
    transform: translateY(-100%);
  }
  .header-down {
    padding: 0 0.5rem 1rem;
    transition: ease-out 300ms;
  }
  .header-input:checked ~ .header-content .header-down {
    transform: translateY(100%);
  }
  .header-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background-color: var(--color-bg-90);
    border: 1px solid var(--color-fg-20);
    border-radius: 2px;
    box-shadow: 3px 7px 10px rgb(0 0 0 / 0.25);
  }
}