.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-container {
  padding-block: 0.5rem;
}

.nav-bar {
  gap: var(--space-4);
}

.nav-brand {
  text-decoration: none;
}

.nav-title {
  font-size: 1.05rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav-subtitle {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav-primary {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-item-cta .nav-link-cta {
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(239, 68, 68, 0.7);
  background: radial-gradient(circle at top left, rgba(239, 68, 68, 0.18), rgba(20, 15, 15, 0.98));
  color: #fef3e9;
}

.nav-item-cta .nav-link-cta::after {
  display: none;
}

.nav-item-cta .nav-link-cta:hover {
  background: radial-gradient(circle at top left, rgba(239, 68, 68, 0.35), rgba(20, 15, 15, 0.98));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.75);
}

.nav-link {
  color: var(--color-text-muted);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #fff9f3;
}

.nav-toggle {
  display: none;
  position: relative;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(254, 243, 233, 0.4);
  background: radial-gradient(circle at top left, rgba(239, 68, 68, 0.06), rgba(12, 7, 8, 0.96));
  cursor: pointer;
}

.nav-toggle-bar {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.125rem;
  height: 2px;
  margin: 0;
  border-radius: 1px;
  background-color: #fef3e9;
  transform: translate(-50%, -50%);
  transform-origin: center center;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle-bar:nth-child(1) {
  transform: translate(-50%, calc(-50% - 6px));
}

.nav-toggle-bar:nth-child(2) {
  transform: translate(-50%, -50%);
}

.nav-toggle-bar:nth-child(3) {
  transform: translate(-50%, calc(-50% + 6px));
}

.nav-toggle:focus-visible {
  outline: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1),
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3),
.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

@media (max-width: 960px) {
  .nav-primary {
    position: fixed;
    inset-inline: 0;
    top: 3.5rem;
    background: radial-gradient(circle at top left, rgba(38, 13, 18, 0.98), rgba(7, 4, 5, 0.98));
    border-bottom: 1px solid rgba(45, 22, 26, 0.9);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

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

  .nav-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-4) var(--space-5);
  }

  .nav-item-cta {
    align-self: stretch;
  }

  .nav-item-cta .nav-link-cta {
    display: inline-flex;
    justify-content: center;
    width: 100%;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .nav-title {
    font-size: 0.95rem;
  }

  .nav-subtitle {
    display: none;
  }
}