.sr-site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(250, 247, 242, 0.96), rgba(243, 238, 231, 0.94));
  border-bottom: 1px solid rgba(224, 212, 197, 0.9);
}

.sr-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

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

.sr-header-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 20% 0%, #f8e8cc, #c59d5f);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
}

.sr-header-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.sr-header-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sr-header-subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.sr-primary-nav-wrapper {
  display: flex;
  align-items: center;
}

.sr-primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sr-nav-item {
  position: relative;
}

.sr-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: background var(--transition-base), color var(--transition-base), box-shadow var(--transition-base);
}

.sr-nav-link:hover {
  background: rgba(197, 157, 95, 0.12);
  color: var(--color-burgundy);
}

.sr-nav-link:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.sr-nav-highlight .sr-nav-link {
  background: linear-gradient(135deg, var(--color-primary), var(--color-burgundy));
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.sr-nav-highlight .sr-nav-link:hover {
  box-shadow: var(--shadow-medium);
}

.sr-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.22rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(193, 179, 162, 0.8);
  background: rgba(243, 238, 231, 0.96);
  cursor: pointer;
}

.sr-nav-toggle-bar {
  width: 1.15rem;
  height: 2px;
  border-radius: 999px;
  background: var(--color-neutral-800);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.sr-nav-toggle-bar + .sr-nav-toggle-bar {
  margin-top: 0;
}

.sr-nav-toggle[aria-expanded="true"] .sr-nav-toggle-bar:first-child {
  transform: translateY(2px) rotate(45deg);
}

.sr-nav-toggle[aria-expanded="true"] .sr-nav-toggle-bar:last-child {
  transform: translateY(-2px) rotate(-45deg);
}

@media (max-width: 768px) {
  .sr-nav-toggle {
    display: inline-flex;
  }

  .sr-primary-nav-wrapper {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    padding-inline: var(--space-4);
    padding-bottom: var(--space-4);
    background: linear-gradient(180deg, rgba(250, 247, 242, 0.98), rgba(243, 238, 231, 0.98));
    box-shadow: 0 18px 40px rgba(24, 16, 8, 0.18);
    transform-origin: top;
  }

  .sr-primary-nav {
    flex-direction: column;
    align-items: flex-start;
    padding-top: var(--space-3);
  }

  .sr-primary-nav-wrapper {
    display: none;
  }

  .sr-primary-nav-wrapper.is-open {
    display: block;
  }

  .sr-nav-link {
    width: 100%;
    justify-content: flex-start;
    padding-inline: 1rem;
  }
}

@media (min-width: 769px) {
  .sr-primary-nav-wrapper {
    position: static;
    box-shadow: none;
    padding: 0;
  }
}