.ua-hidden {
  display: none !important;
}

.ua-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.ua-header {
  display: block;
  width: 100%;
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(55, 65, 81, 0.9);
}

.ua-header__inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ua-brand {
  text-decoration: none;
  font-family: Orbitron, Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-weight: 800;
  letter-spacing: 0.05em;
  font-size: 1.5rem;
  line-height: 1;
}

.ua-brand__unlocked {
  color: #ffffff;
}

.ua-brand__arcade {
  color: #22d3ee;
}

.ua-menu-button {
  background: transparent;
  border: 0;
  padding: 0.5rem;
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  cursor: pointer;
}

.ua-menu-button__line {
  display: block;
  width: 24px;
  height: 2px;
  background: rgba(255, 255, 255, 0.9);
}

.ua-nav--desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.ua-nav__link {
  color: #9ca3af;
  text-decoration: none;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0;
}

.ua-nav__link:hover {
  color: #ffffff;
}

.ua-nav__cta {
  display: inline-block;
  text-decoration: none;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-weight: 800;
  font-size: 0.9rem;
  color: #ffffff;
  padding: 0.55rem 1.15rem;
  border-radius: 9999px;
  background: linear-gradient(90deg, #7c3aed 0%, #06b6d4 100%);
  transition: opacity 0.2s ease;
  white-space: nowrap;
  margin: 0;
}

.ua-nav__cta:hover {
  opacity: 0.92;
}

.ua-nav--mobile {
  border-top: 1px solid rgba(55, 65, 81, 0.9);
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ua-nav--mobile .ua-nav__link {
  padding: 0.25rem 0;
}

.ua-nav--mobile .ua-nav__cta {
  text-align: center;
  padding: 0.75rem 1.25rem;
}

@media (min-width: 768px) {
  .ua-menu-button {
    display: none;
  }

  .ua-nav--desktop {
    display: flex;
  }

  .ua-nav--mobile {
    display: none !important;
  }
}