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

.site-brand__text {
  display: flex;
  flex-direction: column;
}

.site-brand__tagline {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}

.nav-link--cta {
  padding-inline: 1.2rem;
  padding-block: 0.35rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: radial-gradient(circle at 0 0, rgba(47, 123, 255, 0.4) 0, rgba(7, 10, 17, 0.98) 40%, rgba(5, 7, 11, 1) 100%);
  box-shadow: var(--glow-blue-soft);
  color: var(--color-text);
}

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

.nav-link--cta:hover {
  border-color: rgba(164, 199, 255, 0.9);
  color: #ffffff;
}

.mobile-nav-panel {
  /* base behavior already in base.css */
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  text-align: center;
}

@media (max-width: 900px) {
  .site-header__inner {
    gap: var(--space-4);
  }

  .site-brand__title {
    font-size: 1rem;
  }

  .site-brand__tagline {
    font-size: 0.6rem;
  }
}

@media (max-width: 480px) {
  .site-brand__title {
    letter-spacing: 0.12em;
  }
}