.solv-header {
  border-bottom: 1px solid var(--color-border-subtle);
}

.solv-header-inner {
  gap: var(--space-6);
}

.solv-brand-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.solv-nav-list {
  align-items: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(255, 255, 255, 0.8);
}

.nav-toggle-bar {
  width: 18px;
  height: 1.5px;
  background-color: var(--color-text);
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

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

@media (max-width: 768px) {
  .solv-nav {
    position: fixed;
    inset-inline: 0;
    top: var(--navbar-height);
    background-color: rgba(247, 241, 232, 0.98);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-medium), opacity var(--transition-medium), visibility var(--transition-medium);
  }

  .solv-nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--layout-gutter) var(--space-8);
    gap: var(--space-4);
  }

  .solv-nav-open .solv-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (min-width: 769px) {
  .solv-nav {
    display: block;
  }
}

.solv-nav-open .nav-toggle {
  border-color: var(--color-primary-soft);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
  .solv-nav {
    transition: none;
  }
}