.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding-block: var(--space-8);
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-32);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__img {
  height: 90px;
  width: auto;
  display: block;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-32);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-teal);
  font-weight: 600;
}

/* Lang switcher — chips DM Mono, fond cream-2, rayon 8px */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-cream-2);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.lang-switcher a {
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding: 2px 0;
}

.lang-switcher a:hover,
.lang-switcher a[aria-current="true"],
.lang-switcher a.is-current-lang {
  color: var(--color-teal);
  font-weight: 600;
}

.lang-switcher__sep {
  color: var(--color-text-muted);
  user-select: none;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-plum-deep);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-24) var(--space-32);
  gap: var(--space-16);
}

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

.nav-mobile a {
  font-size: 1rem;
  color: var(--color-text-secondary);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-mobile a:last-child {
  border-bottom: none;
}

.nav-mobile .lang-switcher {
  margin-top: var(--space-8);
  align-self: flex-start;
}

@media (max-width: 768px) {
  .nav-links,
  .lang-switcher {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }
}