.site-header {
  position: relative;
  z-index: 100;
  min-height: 5.5rem;
  border-bottom: 1px solid rgb(57 48 68 / 78%);
  background: rgb(9 7 15 / 94%);
  backdrop-filter: blur(14px);
}

.site-header__bar {
  position: relative;
  display: grid;
  width: min(100% - (2 * var(--container-padding)), var(--container-max));
  min-height: 5.5rem;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  margin-inline: auto;
}

.site-header__desktop-nav {
  min-width: 0;
}

.site-header__desktop-nav--left {
  justify-self: start;
}

.site-header__desktop-nav--right {
  justify-self: end;
}

.site-header__nav-list,
.site-header__mobile-list {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.8vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list li,
.site-header__mobile-list li,
.site-header__nav-list li + li,
.site-header__mobile-list li + li {
  margin: 0;
  padding: 0;
}

.site-header__nav-list a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-mist);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__nav-list a::after {
  width: 0;
  height: 1px;
  margin-left: 0.35rem;
  background: var(--color-accent-bright);
  content: "";
  transition: width var(--transition-fast);
}

.site-header__nav-list a:hover,
.site-header__nav-list a[aria-current="page"] {
  color: var(--color-cold-white);
}

.site-header__nav-list a:hover::after,
.site-header__nav-list a[aria-current="page"]::after {
  width: 0.75rem;
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  min-height: 5.5rem;
  align-items: center;
  justify-self: center;
  gap: 0.65rem;
  color: var(--color-cold-white);
  text-decoration: none;
  white-space: nowrap;
}

.site-header__brand:hover {
  color: var(--color-cold-white);
}

.site-header__logo {
  width: 2.6rem;
  height: 2.6rem;
  flex: 0 0 2.6rem;
  object-fit: contain;
  filter: drop-shadow(0 0 0.65rem rgb(154 114 216 / 32%));
}

.site-header__brand-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  letter-spacing: 0.025em;
  line-height: 1;
}

.site-header__toggle {
  display: none;
}

.site-header__mobile-nav {
  display: none;
}

@media (max-width: 60rem) {
  .site-header {
    min-height: 4.75rem;
  }

  .site-header__bar {
    min-height: 4.75rem;
    grid-template-columns: 1fr auto 1fr;
  }

  .site-header__desktop-nav {
    display: none;
  }

  .site-header__brand {
    min-height: 4.75rem;
  }

  .site-header__logo {
    width: 2.1rem;
    height: 2.1rem;
    flex-basis: 2.1rem;
  }

  .site-header__brand-name {
    font-size: 1rem;
  }

  .site-header__toggle {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
    align-items: center;
    justify-self: end;
    gap: 0.45rem;
    padding: 0.5rem;
    border: 1px solid transparent;
    background: transparent;
    box-shadow: none;
    color: var(--color-cold-white);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    line-height: 1;
    text-transform: uppercase;
  }

  .site-header__toggle:hover,
  .site-header__toggle[aria-expanded="true"] {
    border-color: rgb(194 155 255 / 45%);
    background: rgb(154 114 216 / 12%);
    box-shadow: none;
  }

  .site-header__toggle-lines {
    display: grid;
    width: 1.15rem;
    gap: 0.22rem;
  }

  .site-header__toggle-lines span {
    display: block;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform-origin: center;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(1) {
    transform: translateY(0.3rem) rotate(45deg);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(2) {
    opacity: 0;
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(3) {
    transform: translateY(-0.3rem) rotate(-45deg);
  }

  .site-header__mobile-nav {
    position: fixed;
    z-index: 99;
    inset: 4.75rem 0 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    background:
      radial-gradient(circle at 50% 0%, rgb(154 114 216 / 14%), transparent 24rem),
      rgb(9 7 15 / 98%);
  }

  .site-header__mobile-nav:not([hidden]) {
    display: block;
  }

  .site-header__mobile-panel {
    display: flex;
    width: min(100% - (2 * var(--container-padding)), 40rem);
    min-height: 100%;
    flex-direction: column;
    gap: var(--space-6);
    margin-inline: auto;
    padding-block: var(--space-7);
  }

  .site-header__mobile-kicker,
  .site-header__mobile-note {
    margin: 0;
  }

  .site-header__mobile-kicker {
    color: var(--color-accent-bright);
    font-size: var(--text-12);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .site-header__mobile-list {
    display: grid;
    gap: 0;
    border-top: var(--border-subtle);
  }

  .site-header__mobile-list a {
    display: flex;
    min-height: 3.25rem;
    align-items: center;
    border-bottom: var(--border-subtle);
    color: var(--color-cold-white);
    font-size: clamp(1.1rem, 3vw, 1.35rem);
    font-weight: 500;
    text-decoration: none;
  }

  .site-header__mobile-list a::after {
    margin-left: auto;
    color: var(--color-accent-bright);
    content: "↗";
    font-size: 1rem;
  }

  .site-header__mobile-note {
    max-width: 38rem;
    color: var(--color-mist);
    font-size: var(--text-14);
    line-height: var(--leading-small);
  }

  body.site-header-menu-open {
    overflow: hidden;
  }
}

@media (max-width: 25rem) {
  .site-header__bar {
    width: min(100% - 1.5rem, var(--container-max));
  }

  .site-header__brand {
    gap: 0.4rem;
  }

  .site-header__brand-name {
    font-size: 0.9rem;
  }

  .site-header__toggle-label {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__toggle-lines span {
    transition: none;
  }
}