.site-header {
  position: relative;
  z-index: 100;
  min-height: 5.5rem;
  border-bottom: var(--border-soft);
  background: var(--color-milk);
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  min-height: 5.5rem;
  gap: var(--space-4);
}

.site-header__desktop-nav {
  display: flex;
  align-items: center;
  min-width: 0;
}

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

.site-header__desktop-nav--right {
  justify-content: flex-end;
  gap: var(--space-4);
}

.site-header__nav-list,
.site-header__mobile-list {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.6vw, 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-link,
.site-header__contact-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  color: var(--color-wood-900);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__nav-link::after {
  position: absolute;
  right: 0;
  bottom: 0.25rem;
  left: 0;
  height: 2px;
  background: var(--color-terracotta);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

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

.site-header__contact-link {
  min-height: 2.75rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-wood-700);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.site-header__contact-link:hover {
  border-color: var(--color-terracotta-dark);
  background: var(--color-card-neutral);
  color: var(--color-terracotta-dark);
  transform: translateY(-1px);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  justify-self: center;
  gap: 0.5rem;
  min-width: 0;
  color: var(--color-wood-900);
  line-height: 1;
  text-decoration: none;
}

.site-header__mark {
  width: 2.25rem;
  min-width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
}

.site-header__brand-text {
  display: grid;
  gap: 0.0625rem;
  min-width: 0;
  text-align: left;
}

.site-header__brand-text span {
  color: var(--color-wood-700);
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  line-height: 1;
  text-transform: uppercase;
}

.site-header__brand-text strong {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 0.8;
}

.site-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  justify-self: end;
  width: 3rem;
  min-width: 3rem;
  height: 3rem;
  padding: 0;
  border: var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-card-neutral);
  color: var(--color-wood-900);
}

.site-header__toggle-line {
  position: absolute;
  width: 1.25rem;
  height: 1.5px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle-line:nth-child(1) { transform: translateY(-0.375rem); }
.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 {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  z-index: 99;
  max-height: calc(100vh - 5.5rem);
  overflow-y: auto;
  border-bottom: var(--border-soft);
  background: var(--color-milk-deep);
  box-shadow: var(--shadow-md);
}

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

.site-header__mobile-nav-inner {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
  padding-block: var(--space-6) var(--space-7);
}

.site-header__menu-label {
  margin: 0 0 var(--space-4);
  color: var(--color-terracotta-dark);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: var(--line-xs);
  text-transform: uppercase;
}

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

.site-header__mobile-list a {
  display: block;
  padding: var(--space-4) 0;
  border-bottom: var(--border-soft);
  color: var(--color-wood-900);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
}

.site-header__mobile-contact {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.site-header__mobile-contact a {
  color: var(--color-terracotta-dark);
  font-size: var(--text-sm);
  font-weight: 600;
}

@media (max-width: 62rem) {
  .site-header__inner {
    grid-template-columns: 1fr auto 1fr;
  }

  .site-header__desktop-nav { display: none; }
  .site-header__toggle { display: inline-flex; position: relative; }
}

@media (max-width: 45rem) {
  .site-header,
  .site-header__inner { min-height: 4.75rem; }

  .site-header__mark {
    width: 1.875rem;
    min-width: 1.875rem;
    height: 1.875rem;
  }

  .site-header__brand-text strong { font-size: 1.5rem; }
  .site-header__brand-text span { font-size: 0.5rem; }
  .site-header__mobile-nav { max-height: calc(100vh - 4.75rem); }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__nav-link::after { transition: none; }
}