.rt-site-header {
  position: relative;
  z-index: 900;
  width: 100%;
  background: var(--color-pearl-linen);
  color: var(--color-text);
}

.rt-site-header__bar {
  min-height: 4.875rem;
  border-bottom: 1px solid color-mix(in srgb, var(--color-apricot-clay) 70%, transparent);
  background: var(--color-pearl-linen);
}

.rt-site-header__inner {
  display: flex;
  min-height: 4.875rem;
  align-items: center;
  gap: var(--space-4);
}

.rt-site-header__brand-link {
  display: flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
  gap: 0.6875rem;
  color: var(--color-text);
  text-decoration: none;
}

.rt-site-header__logo {
  width: 2.625rem;
  height: 2.625rem;
  flex: 0 0 2.625rem;
  object-fit: contain;
}

.rt-site-header__brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1;
}

.rt-site-header__brand-name {
  overflow: hidden;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.05;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rt-site-header__tagline {
  color: var(--color-text-muted);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.rt-site-header__nav {
  display: flex;
  min-width: 0;
  margin-left: auto;
  align-items: center;
  gap: var(--space-4);
}

.rt-site-header__nav-list {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 1rem;
}

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

.rt-site-header__nav-list a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-bottom: 1px solid transparent;
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.rt-site-header__nav-list a:hover,
.rt-site-header__nav-list a[aria-current="page"] {
  border-color: var(--color-apricot-clay);
  color: var(--color-muted-azure);
}

.rt-site-header__contact {
  min-height: 2.75rem;
  flex: 0 0 auto;
  padding-inline: 0.8rem;
  white-space: nowrap;
}

.rt-site-header__toggle {
  display: none;
  width: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  margin-left: auto;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  padding: 0.55rem;
  border: 1px solid var(--color-apricot-clay);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
}

.rt-site-header__toggle span {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.rt-site-header__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.31rem) rotate(45deg);
}

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

.rt-site-header__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-0.31rem) rotate(-45deg);
}

.rt-site-header__mobile-links {
  display: none;
}

@media (max-width: 1020px) {
  .rt-site-header__inner {
    gap: var(--space-3);
  }

  .rt-site-header__nav-list {
    gap: 0.7rem;
  }

  .rt-site-header__nav-list a {
    font-size: 0.7rem;
  }
}

@media (max-width: 860px) {
  html.rt-menu-open,
  html.rt-menu-open body {
    overflow: hidden;
  }

  .rt-site-header__bar,
  .rt-site-header__inner {
    min-height: 4.5rem;
  }

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

  .rt-site-header__nav {
    position: absolute;
    z-index: 1;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 6.5rem);
    overflow-y: auto;
    padding: var(--space-4) var(--gutter) var(--space-5);
    border-bottom: 1px solid var(--color-apricot-clay);
    background: var(--color-pearl-linen);
    box-shadow: var(--shadow-floating);
  }

  .rt-site-header__nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .rt-site-header__nav-list {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid color-mix(in srgb, var(--color-apricot-clay) 55%, transparent);
  }

  .rt-site-header__nav-list li {
    width: 100%;
    border-bottom: 1px solid color-mix(in srgb, var(--color-apricot-clay) 55%, transparent);
  }

  .rt-site-header__nav-list a {
    width: 100%;
    min-height: 2.75rem;
    justify-content: space-between;
    border: 0;
    font-size: var(--text-sm);
  }

  .rt-site-header__contact {
    width: 100%;
  }

  .rt-site-header__mobile-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-2);
  }

  .rt-site-header__mobile-links a {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
  }
}

@media (max-width: 480px) {
  .rt-site-header__logo {
    width: 2.25rem;
    height: 2.25rem;
    flex-basis: 2.25rem;
  }

  .rt-site-header__brand-name {
    font-size: 1.2rem;
  }
}

@media (max-width: 390px) {
  .rt-site-header__tagline {
    display: none;
  }
}

ul { list-style: none !important; }
.nav-toggle { flex-direction: column; }