.navigation-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background: var(--color-surface);
  border-bottom: none;
  box-shadow: none;
  transition: background-color 0.2s ease;
  height: var(--navigation-height);
}

.navigation-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  height: 100%;
}

.navigation-logo-link {
  color: var(--color-primary);
  transition: opacity 0.3s ease, transform 0.3s ease;
  display: inline-flex;
  align-items: center;
}

.navigation-logo-link:hover {
  opacity: 0.8;
  transform: translateY(-1px);
}

.navigation-logo-link .section-title {
  font-size: var(--font-size-xl);
  letter-spacing: 0.1em;
}

.navigation-desktop-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.navigation-toggle {
  display: none;
  color: var(--color-primary);
  padding: var(--spacing-xs);
  cursor: pointer;
  background: none;
  transition: transform 0.3s ease, color 0.3s ease;
}

.navigation-toggle:hover {
  transform: scale(1.06);
  color: var(--color-accent);
}

.navigation-link {
  color: var(--color-on-surface);
  position: relative;
  font-size: var(--font-size-sm);
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.navigation-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.navigation-link:hover {
  color: var(--color-primary);
}

.navigation-link:hover::after {
  width: 100%;
}

.navigation-overlay {
  position: fixed;
  inset: 0;
  display: none;
  opacity: 0;
  background: var(--color-surface);
  transform: translateX(100%);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1100;
  flex-direction: column;
}

.navigation-overlay.is-active {
  display: flex;
  opacity: 1;
  transform: translateX(0);
}

.navigation-overlay-header {
  position: sticky;
  top: 0;
  z-index: 1110;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-surface);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
}

.navigation-overlay-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
  padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-2xl);
  height: 100%;
  justify-content: space-between;
}

.navigation-overlay-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.navigation-overlay-link {
  color: var(--color-on-surface);
  display: flex;
  align-items: center;
  font-size: var(--font-size-lg);
  letter-spacing: 0.06em;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  transition: transform 0.3s ease, color 0.3s ease;
}

.navigation-overlay-link:hover {
  color: var(--color-accent);
  transform: translateX(10px);
}

.navigation-overlay-footer {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.navigation-social-row {
  display: flex;
  gap: var(--spacing-lg);
}

.navigation-social-link {
  color: var(--color-on-surface-secondary);
  transition: color 0.3s ease, transform 0.3s ease;
}

.navigation-social-link:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
}

.navigation-bar.is-scrolled {
  background: var(--color-surface);
  box-shadow: none;
  border-color: transparent;
}

@media (max-width: 1024px) {
  .navigation-desktop-menu {
    display: none;
  }

  .navigation-toggle {
    display: block;
  }
}

@media (max-width: 480px) {
  .navigation-overlay-content {
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
  }

  .navigation-overlay-link {
    font-size: var(--font-size-xl);
  }
}