/* Header-specific styles building on base.css */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  align-items: center;
}

.navbar__brand {
  color: var(--gray-50);
}

.navbar__brand:hover {
  color: var(--color-primary-strong);
}

.navbar__toggle {
  width: 2.5rem;
  height: 2.25rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 6, 8, 0.8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
  color: var(--gray-50);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-fast);
}

.navbar__toggle-bar {
  width: 1.25rem;
  height: 2px;
  border-radius: 999px;
  background: var(--gray-200);
  transition: transform var(--transition-normal), opacity var(--transition-normal), background-color var(--transition-normal);
}

.navbar__toggle:focus-visible {
  box-shadow: 0 0 0 1px #000, 0 0 0 3px var(--focus-ring-color);
}

.navbar__nav {
  position: fixed;
  inset: 3.25rem 0 auto 0;
  background: rgba(5, 6, 8, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
}

.navbar__menu {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem var(--container-padding-x) 1rem;
}

.navbar__item--desktop-only {
  display: none;
}

.navbar__item--mobile-only {
  display: list-item;
}

.navbar__link {
  display: inline-block;
  padding-block: 0.5rem;
  width: 100%;
}

.navbar__link:focus-visible {
  box-shadow: 0 0 0 1px #000, 0 0 0 3px var(--focus-ring-color);
  border-radius: var(--radius-md);
}

.navbar__cta {
  margin-left: 0.75rem;
}

/* Mobile menu open state */

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

.site-header.nav-open .navbar__toggle {
  background: rgba(12, 15, 22, 0.98);
  border-color: rgba(202, 164, 74, 0.7);
}

.site-header.nav-open .navbar__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header.nav-open .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.nav-open .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (min-width: 768px) {
  .navbar__nav {
    inset: auto;
  }
}

@media (min-width: 992px) {
  .navbar__nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    border: 0;
  }

  .navbar__menu {
    flex-direction: row;
    align-items: center;
    gap: 1.6rem;
    padding: 0;
  }

  .navbar__toggle {
    display: none;
  }

  .navbar__item--desktop-only {
    display: list-item;
  }

  .navbar__item--mobile-only {
    display: none;
  }

  .navbar__link {
    width: auto;
  }
}