.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(246, 242, 234, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(176, 161, 143, 0.45);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.site-header__brand {
  display: flex;
  align-items: center;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
}

.site-header__logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #fdf7ef, #c9a667);
  box-shadow: 0 8px 20px rgba(33, 23, 18, 0.3);
  position: relative;
}

.site-header__logo-mark::before {
  content: "AR";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #2b2119;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__site-name {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-header__tagline {
  font-family: var(--font-sans-alt);
  font-size: var(--font-size-xs);
  text-transform: none;
  color: var(--gray-600);
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-link {
  position: relative;
  font-family: var(--font-sans-alt);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-800);
  padding-block: var(--space-1);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-accent));
  transition: width var(--transition-base);
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  width: 100%;
}

.site-header__nav-item--accent .site-header__nav-link--button {
  padding-inline: 1.2rem;
  padding-block: 0.45rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-xs);
}

.site-header__nav-item--accent .site-header__nav-link--button::after {
  display: none;
}

.site-header__nav-item--accent .site-header__nav-link--button:hover {
  background-color: #255447;
}

.site-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(52, 42, 34, 0.22);
  background-color: rgba(255, 250, 242, 0.96);
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: #2b2119;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

@media (min-width: 960px) {
  .site-header__toggle {
    display: none;
  }
}

@media (max-width: 959.98px) {
  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    background: rgba(246, 242, 234, 0.98);
    border-bottom: 1px solid rgba(176, 161, 143, 0.5);
    transform-origin: top;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .site-header__nav-link {
    font-size: var(--font-size-md);
  }

  .site-header--menu-closed .site-header__nav {
    display: none;
  }
}

.site-header--menu-open {
  box-shadow: 0 16px 40px rgba(15, 10, 6, 0.18);
}

@media (prefers-reduced-motion: reduce) {
  .site-header {
    scroll-behavior: auto;
  }
}