.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(247, 244, 240, 0.96), rgba(247, 244, 240, 0.9));
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

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

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 16px;
  background: radial-gradient(circle at 30% 20%, #fdfbf8, #d3b48a 40%, #8f1f3b 80%);
  box-shadow: var(--shadow-soft-oak);
}

.brand-text-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  padding-bottom: 4px;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-blue));
  transition: width var(--transition-base);
}

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

.nav-item-accent .nav-link-pill {
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(143, 31, 59, 0.35);
  background: rgba(143, 31, 59, 0.04);
}

.nav-item-accent .nav-link-pill::after {
  display: none;
}

.nav-item-accent .nav-link-pill:hover,
.nav-item-accent .nav-link-pill:focus-visible {
  background: rgba(143, 31, 59, 0.08);
  border-color: rgba(143, 31, 59, 0.6);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(143, 31, 59, 0.2);
  background-color: rgba(247, 244, 240, 0.9);
}

.nav-toggle-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.nav-toggle-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 20px;
}

.nav-toggle-line {
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background-color: var(--color-text);
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.site-header.is-menu-open .nav-toggle-line:first-child {
  transform: translateY(3px) rotate(42deg);
}

.site-header.is-menu-open .nav-toggle-line:last-child {
  transform: translateY(-3px) rotate(-42deg);
}

.site-header.is-menu-open .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

@media (max-width: 880px) {
  .site-header-inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(247, 244, 240, 0.98);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5) var(--space-5);
  }

  .site-nav {
    display: none;
  }

  .site-header.is-menu-open .site-nav {
    display: block;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 520px) {
  .brand-subtitle {
    display: none;
  }
}

.nav-link:focus-visible,
.nav-toggle:focus-visible,
.brand-link:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
}