.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: 5.5rem;
  border-bottom: var(--border-hairline);
  background: rgba(10, 10, 10, 0.96);
  backdrop-filter: blur(12px);
}

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

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

.site-header__nav--secondary {
  justify-self: end;
}

.site-header__list,
.site-header__mobile-list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header__list {
  align-items: center;
  gap: clamp(0.9rem, 1.6vw, 1.75rem);
}

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

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

.site-header__link,
.site-header__contact {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-text);
  font-size: var(--text-nav);
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__link::after {
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.site-header__link:hover::after,
.site-header__link:focus-visible::after,
.site-header__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-header__contact {
  min-height: 2.5rem;
  padding-inline: 1rem;
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.site-header__contact:hover,
.site-header__contact:focus-visible {
  border-color: var(--color-snow-100);
  background: var(--color-snow-100);
  color: var(--color-black-1000);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  justify-self: center;
  gap: 0.6rem;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}

.site-header__logo {
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 2.25rem;
  object-fit: contain;
}

.site-header__brand-text {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1;
  text-transform: uppercase;
}

.site-header__toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  justify-self: end;
  padding: 0;
  background: transparent;
  color: var(--color-text);
}

.site-header__toggle-line {
  position: absolute;
  width: 1.35rem;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle-line:nth-child(1) { transform: translateY(-0.38rem); }
.site-header__toggle-line:nth-child(3) { transform: translateY(0.38rem); }
.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 {
  position: fixed;
  inset: 5.5rem 0 0;
  z-index: 1001;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--color-black-1000);
}

.site-header__mobile-nav[hidden] {
  display: none !important;
}

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

.site-header__mobile-inner {
  display: flex;
  width: min(100% - (2 * var(--gutter)), 40rem);
  min-height: calc(100dvh - 5.5rem);
  margin-inline: auto;
  padding-block: var(--space-7);
  flex-direction: column;
  justify-content: center;
  gap: var(--space-7);
}

.site-header__mobile-brand {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-header__mobile-list {
  flex-direction: column;
  gap: 0;
  border-top: var(--border-hairline);
}

.site-header__mobile-list a {
  display: block;
  padding-block: var(--space-4);
  border-bottom: var(--border-hairline);
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1;
  text-decoration: none;
}

.site-header__mobile-list a:hover,
.site-header__mobile-list a:focus-visible {
  color: var(--color-snow-100);
}

.site-header__mobile-contact {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-snow-050);
  background: var(--color-snow-050);
  color: var(--color-black-1000);
  font-size: var(--text-nav);
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.site-header__mobile-contact:hover,
.site-header__mobile-contact:focus-visible {
  background: var(--color-snow-100);
  color: var(--color-black-1000);
}

@media (max-width: 1060px) {
  .site-header {
    min-height: 4.5rem;
  }

  .site-header__inner {
    min-height: 4.5rem;
    grid-template-columns: 1fr auto 1fr;
  }

  .site-header__nav {
    display: none;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__mobile-nav {
    inset: 4.5rem 0 0;
  }

  .site-header__mobile-inner {
    min-height: calc(100dvh - 4.5rem);
  }
}

@media (max-width: 420px) {
  .site-header__brand-text {
    display: none;
  }

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