.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header-inner {
  padding-block: var(--space-6);
}

.brand-mark__lockup {
  display: flex;
  flex-direction: column;
}

.brand-mark__title {
  font-family: var(--font-serif-display);
  font-size: var(--font-size-lg);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-mark__tagline {
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-item {
  list-style: none;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  padding-block: var(--space-2);
  border-bottom: 1px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.nav-link--active,
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text);
  border-color: rgba(48, 90, 59, 0.55);
}

.nav-link--cta {
  padding-inline: var(--space-4);
  padding-block: var(--space-2);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary-subtle);
  background-color: rgba(224, 236, 223, 0.7);
}

.nav-link--cta:hover,
.nav-link--cta:focus-visible {
  border-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background-color: var(--color-surface);
  cursor: pointer;
  gap: 5px;
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 99px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(1),
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(2),
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle__bar:nth-child(3),
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (max-width: 767px) {
  .nav-toggle {
    display: inline-flex;
    align-self: center;
  }

  .site-nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    z-index: 45;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border-strong);
    box-shadow: 0 8px 24px rgba(47, 39, 34, 0.08);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    padding: var(--space-6) var(--space-8) var(--space-8);
    gap: var(--space-4);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-item {
    width: 100%;
    text-align: center;
  }

  .nav-link {
    display: inline-block;
    font-size: var(--font-size-md);
    text-align: center;
  }
}

@media (min-width: 768px) {
  .site-nav {
    position: static;
  }
}