.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(10, 10, 18, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color var(--dur-med), background var(--dur-med);
}

.navbar.is-scrolled {
  border-bottom-color: var(--border-soft);
  background: rgba(10, 10, 18, 0.86);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--dur-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

/* Language switcher */
.lang-switch {
  display: flex;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  font-family: var(--font-mono);
}

.lang-switch button {
  padding: 0.3rem 0.65rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  color: var(--text-muted);
  transition: background var(--dur-fast), color var(--dur-fast);
}

.lang-switch button[aria-pressed="true"] {
  background: var(--gradient-segment);
  color: #0a0a12;
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  color: var(--text-primary);
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-soft);
    padding: 0.5rem var(--gutter) 1rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
  }

  .nav-links.is-open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .nav-links a {
    width: 100%;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border-soft);
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }
}