.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  width: 100%;
  border-bottom: 1px solid var(--color-violet-edge);
  background: rgb(8 7 13 / 97%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: min(100% - (2 * var(--gutter)), var(--container-max));
  min-height: 4.5rem;
  margin-inline: auto;
}

.site-header__brand {
  display: inline-flex;
  flex: 0 1 auto;
  align-items: center;
  gap: .625rem;
  min-width: 0;
  color: var(--color-paper-text);
  text-decoration: none;
}

.site-header__brand:hover {
  color: var(--color-paper-text);
}

.site-header__logo {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 2.5rem;
  object-fit: contain;
}

.site-header__brand-text {
  color: var(--color-paper-text);
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.05;
  white-space: nowrap;
}

.site-header__nav {
  min-width: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(.75rem, 1.5vw, 1.25rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list li,
.site-header__nav-list li + li {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.site-header__nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-mist-text);
  font-size: .6875rem;
  letter-spacing: .035em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav-list a:hover {
  color: var(--color-paper-text);
}

.site-header__action,
.site-header__nav-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: .75rem .875rem;
  border: 1px solid var(--color-pink-action);
  background: var(--color-pink-action);
  color: var(--color-void-black);
  font-size: var(--text-button);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__action:hover,
.site-header__nav-action:hover {
  background: #ff63ad;
  color: var(--color-void-black);
  box-shadow: var(--shadow-pink);
}

.site-header__toggle,
.site-header__close,
.site-header__nav-head,
.site-header__nav-action {
  display: none;
}

@media (max-width: 72rem) {
  .site-header__inner {
    min-height: 4.25rem;
  }

  .site-header__toggle {
    display: grid;
    position: relative;
    z-index: 1002;
    width: 2.75rem;
    height: 2.75rem;
    flex: 0 0 2.75rem;
    align-content: center;
    gap: .3rem;
    padding: .625rem;
    border: 1px solid var(--color-cyan-signal);
    background: var(--color-void-black);
  }

  .site-header__toggle-line {
    display: block;
    width: 100%;
    height: 1px;
    background: var(--color-cyan-signal);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header__toggle.is-open .site-header__toggle-line:nth-child(1) {
    transform: translateY(.4rem) rotate(45deg);
  }

  .site-header__toggle.is-open .site-header__toggle-line:nth-child(2) {
    opacity: 0;
  }

  .site-header__toggle.is-open .site-header__toggle-line:nth-child(3) {
    transform: translateY(-.4rem) rotate(-45deg);
  }

  .site-header__action {
    display: none;
  }

  .site-header__nav {
    position: fixed;
    z-index: 1001;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(100%, 29rem);
    padding: 1rem var(--gutter) var(--space-6);
    overflow-y: auto;
    border-left: 1px solid var(--color-cyan-signal);
    background: var(--color-void-black);
    box-shadow: -12px 0 30px rgb(0 0 0 / 35%);
    transform: translateX(102%);
    transition: transform var(--transition-base);
  }

  .site-header__nav.is-open {
    transform: translateX(0);
  }

  .site-header__nav-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: 3rem;
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-violet-edge);
  }

  .site-header__nav-label {
    color: var(--color-cyan-signal);
    font-size: var(--text-label);
    letter-spacing: .08em;
  }

  .site-header__close {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    padding: .5rem .75rem;
    border: 1px solid var(--color-cyan-signal);
    background: transparent;
    color: var(--color-cyan-signal);
    font-family: var(--font-body);
    font-size: var(--text-button);
    letter-spacing: .04em;
  }

  .site-header__nav-list {
    display: grid;
    gap: 0;
  }

  .site-header__nav-list li,
  .site-header__nav-list li + li {
    border-bottom: 1px solid var(--color-violet-edge);
  }

  .site-header__nav-list a {
    width: 100%;
    min-height: 3.25rem;
    padding: .75rem 0;
    color: var(--color-paper-text);
    font-size: .75rem;
  }

  .site-header__nav-action {
    display: inline-flex;
    width: 100%;
    margin-top: var(--space-5);
  }

  body.site-nav-open {
    overflow: hidden;
  }
}

@media (max-width: 25rem) {
  .site-header__brand-text {
    font-size: .75rem;
  }

  .site-header__logo {
    width: 2rem;
    height: 2rem;
    flex-basis: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__nav,
  .site-header__toggle-line {
    transition: none;
  }
}