.site-header,
.full-width-nav {
  position: sticky;
  top: 0;
  z-index: 80;
  transition:
    background var(--ds-transition-base),
    border-color var(--ds-transition-base),
    box-shadow var(--ds-transition-base);
}

.site-header::before,
.full-width-nav::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 8, 10, 0.72), rgba(8, 8, 10, 0.16));
  opacity: 0;
  transition: opacity var(--ds-transition-base);
  pointer-events: none;
}

.site-header.is-solid,
.full-width-nav.is-solid {
  background: rgba(10, 10, 12, 0.74);
  border-bottom: 1px solid var(--ds-color-border);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.site-header.is-solid::before,
.full-width-nav.is-solid::before {
  opacity: 1;
}

.site-header .topbar,
.full-width-nav .topbar {
  position: relative;
  min-height: var(--ds-header-height);
  padding-block: 12px;
}

.brand-lockup strong {
  font-family: var(--ds-font-display);
  font-size: clamp(1.6rem, 2vw, 2rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-lockup p {
  color: var(--ds-color-text-soft);
}

.site-menu {
  background: transparent;
  border: 0;
  padding: 0;
  gap: 4px;
}

.menu-link {
  position: relative;
  min-height: 44px;
  padding: 0 14px;
  color: var(--ds-color-text-muted);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.menu-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 8px;
  height: 2px;
  border-radius: 999px;
  background: var(--ds-color-accent);
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity var(--ds-transition-fast), transform var(--ds-transition-fast);
}

.menu-link:hover,
.menu-link.active {
  background: transparent;
  color: var(--ds-color-text);
}

.menu-link:hover::after,
.menu-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-auth-actions {
  gap: 10px;
}

.site-header .secondary-button,
.site-header .primary-button,
.full-width-nav .secondary-button,
.full-width-nav .primary-button {
  min-height: 42px;
  padding-inline: 18px;
}

.public-footer {
  background: rgba(14, 15, 18, 0.78);
  border-color: var(--ds-color-border);
}

.public-footer-grid {
  gap: 28px;
}

.public-footer-links a {
  color: var(--ds-color-text-muted);
}

.public-footer-links a:hover,
.public-footer-base a:hover {
  color: var(--ds-color-text);
}