.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 37, 28, 0.5);
  z-index: 90;
}
.mobile-nav-overlay.is-open { display: block; }

.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(320px, 86vw);
  background: var(--color-surface);
  z-index: 95;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
}
.mobile-nav.is-open { transform: translateX(0); }

.mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__section {
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.mobile-nav__section ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav__section a {
  display: block;
  padding: var(--space-3) 0;
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--color-forest-900);
}

.mobile-nav__section a:hover { color: var(--color-forest-500); }

.mobile-nav__all {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-forest-700);
}

@media (min-width: 861px) {
  .mobile-nav, .mobile-nav-overlay { display: none; }
}