.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  width: 100%;
  min-height: 5.5rem;
  background: var(--color-snow-pure);
  border-bottom: 1px solid var(--color-line-grey);
}

.site-header__inner {
  position: relative;
  width: min(100% - (2 * var(--container-padding)), var(--container-max));
  min-height: 5.5rem;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
}

.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;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__nav-list {
  align-items: center;
  gap: clamp(0.875rem, 2vw, 2rem);
}

.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: block;
  white-space: nowrap;
  color: var(--color-editorial-grey);
  font-size: var(--text-meta);
  line-height: 1.2;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.375rem;
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  color: var(--color-editorial-grey);
  line-height: 1;
  text-decoration: none;
}

.site-header__brand:hover {
  color: var(--color-muted-bronze);
  text-decoration: none;
}

.site-header__logo {
  width: 2.375rem;
  height: 2.375rem;
  max-width: none;
  object-fit: contain;
  background: transparent;
}

.site-header__brand-name {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  justify-self: end;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-editorial-grey);
}

.site-header__toggle-line {
  position: absolute;
  width: 1.375rem;
  height: 1px;
  background: currentcolor;
  transition: transform var(--duration-menu) var(--ease-editorial), opacity var(--duration-menu) ease;
}

.site-header__toggle-line:nth-child(1) { transform: translateY(-0.375rem); }
.site-header__toggle-line:nth-child(2) { transform: translateY(0); }
.site-header__toggle-line:nth-child(3) { transform: translateY(0.375rem); }

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) { transform: rotate(45deg); }
.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) { opacity: 0; }
.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) { transform: rotate(-45deg); }

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

@media (max-width: 56.1875rem) {
  .site-header,
  .site-header__inner {
    min-height: 4.5rem;
  }

  .site-header__inner {
    grid-template-columns: 2.75rem 1fr 2.75rem;
  }

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

  .site-header__brand {
    grid-column: 2;
  }

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

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

  .site-header__toggle {
    position: relative;
    display: flex;
    grid-column: 3;
    grid-row: 1;
  }

  .site-header__mobile-nav {
    position: fixed;
    z-index: 99;
    inset: 4.5rem 0 0;
    display: block;
    visibility: hidden;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--color-snow-pure);
    opacity: 0;
    transform: translateY(0.5rem);
    transition: opacity var(--duration-menu) ease, transform var(--duration-menu) var(--ease-editorial), visibility 0s linear var(--duration-menu);
  }

  .site-header__mobile-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .site-header__mobile-nav-inner {
    width: min(100% - (2 * var(--container-padding)), var(--container-max));
    min-height: 100%;
    margin-inline: auto;
    padding-block: clamp(3rem, 10vw, 6rem);
  }

  .site-header__menu-label {
    margin: 0 0 var(--space-5);
    color: var(--color-muted-bronze);
    font-size: var(--text-label);
    font-weight: 500;
    letter-spacing: 0.14em;
    line-height: var(--leading-label);
    text-transform: uppercase;
  }

  .site-header__mobile-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--color-line-grey);
  }

  .site-header__mobile-list a {
    display: grid;
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: var(--space-3);
    padding-block: 1rem;
    border-bottom: 1px solid var(--color-line-grey);
    color: var(--color-editorial-grey);
    font-family: var(--font-heading);
    font-size: clamp(1.875rem, 8vw, 3rem);
    line-height: 1.05;
    text-decoration: none;
  }

  .site-header__mobile-list a span {
    padding-top: 0.35em;
    color: var(--color-muted-bronze);
    font-family: var(--font-body);
    font-size: var(--text-label);
    font-weight: 500;
    letter-spacing: 0.08em;
    line-height: 1.35;
  }

  body.is-menu-open {
    overflow: hidden;
  }
}

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