.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-bg);
  border-block-end: 1px solid transparent;
}

.navbar--scrolled {
  border-block-end-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--space-20);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.navbar__logo-mark {
  width: var(--space-10);
  height: var(--space-10);
  flex-shrink: 0;
}

.navbar__logo-text {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.navbar__link {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  padding-block-end: var(--space-1);
  border-block-end: 1px solid transparent;
}

.navbar__link:hover {
  color: var(--color-text-primary);
  border-block-end-color: var(--color-accent);
}

.navbar__link--active {
  color: var(--color-text-primary);
  border-block-end-color: var(--color-accent);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: var(--space-10);
  height: var(--space-10);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  cursor: pointer;
}

.navbar__toggle:hover {
  background-color: var(--color-bg-subtle);
}

.navbar__toggle-icon {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  width: var(--space-5);
  pointer-events: none;
}

.navbar__toggle-bar {
  display: block;
  height: 1.5px;
  width: 100%;
  background-color: var(--color-text-primary);
  border-radius: var(--radius-full);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(3.5px, 3.5px);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(3.5px, -3.5px);
}

.navbar__mobile {
  display: none;
  border-block-start: 1px solid var(--color-border);
  background-color: var(--color-bg);
  padding: var(--space-6) var(--container-padding) var(--space-8);
}

.navbar__mobile.is-open {
  display: block;
}

.navbar__mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.navbar__mobile-link {
  display: block;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  padding-block: var(--space-3);
  padding-inline: var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.navbar__mobile-link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-subtle);
}

.navbar__mobile-link--active {
  color: var(--color-text-primary);
  background-color: var(--color-bg-subtle);
}

.navbar__mobile-actions {
  margin-block-start: var(--space-6);
  padding-block-start: var(--space-6);
  border-block-start: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (max-width: 768px) {
  .navbar__links {
    display: none;
  }

  .navbar__actions {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }
}