/* Header styles for HUSpinerZone */

.hz-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: linear-gradient(to bottom, rgba(3, 3, 10, 0.95), rgba(3, 3, 10, 0.85));
  border-bottom: 1px solid rgba(192, 199, 209, 0.24);
}

.hz-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.hz-header__brand {
  display: flex;
  align-items: center;
}

.hz-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
}

.hz-header__logo-mark {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  background: conic-gradient(from 180deg, var(--color-primary), var(--color-secondary), var(--color-primary));
  box-shadow: var(--shadow-neon-cyan);
  position: relative;
}

.hz-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.5), transparent 55%), #050510;
}

.hz-header__logo-text {
  font-size: var(--font-size-sm);
}

/* Navigation */

.hz-header__nav {
  display: flex;
}

.hz-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.hz-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hz-header__nav-link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -0.2rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.hz-header__nav-link:hover,
.hz-header__nav-link:focus-visible {
  color: var(--color-text);
}

.hz-header__nav-link:hover::after,
.hz-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

.hz-header__nav-item--highlight .hz-header__nav-link--cta {
  padding-inline: 0.9rem;
  padding-block: 0.35rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 229, 255, 0.9);
  background: radial-gradient(circle at 10% 0, rgba(0, 229, 255, 0.4), transparent 60%),
              linear-gradient(135deg, rgba(0, 229, 255, 0.22), rgba(255, 46, 219, 0.32));
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.5);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

.hz-header__nav-item--highlight .hz-header__nav-link--cta::after {
  display: none;
}

.hz-header__nav-item--highlight .hz-header__nav-link--cta:hover,
.hz-header__nav-item--highlight .hz-header__nav-link--cta:focus-visible {
  border-color: rgba(255, 46, 219, 0.9);
  box-shadow: var(--shadow-neon-magenta);
}

/* Mobile toggle */

.hz-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(192, 199, 209, 0.4);
  background: radial-gradient(circle at 0 0, rgba(0, 229, 255, 0.18), transparent 60%),
              rgba(7, 7, 18, 0.9);
  color: var(--color-text);
  cursor: pointer;
}

.hz-header__toggle-bar {
  width: 1.2rem;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), background var(--transition-base);
  position: absolute;
  top:24px;
}

.hz-header__toggle-bar + .hz-header__toggle-bar {
  margin-top: 0.25rem;
  top:4px;
}

/* Toggle animation when active */

.hz-header__toggle[aria-expanded="true"] .hz-header__toggle-bar:first-child {
  transform: translateY(3px) rotate(45deg);
}

.hz-header__toggle[aria-expanded="true"] .hz-header__toggle-bar:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* Responsive behavior */

@media (max-width: 768px) {
  .hz-header__toggle {
    display: inline-flex;
    position: relative;
  }

  .hz-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, rgba(0, 229, 255, 0.12), transparent 55%),
                rgba(5, 5, 16, 0.98);
    border-bottom: 1px solid rgba(192, 199, 209, 0.24);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .hz-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-3);
  }

  .hz-header__nav-link {
    width: 100%;
    padding-block: 0.5rem;
  }

  .hz-header__nav--open {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hz-header__nav {
    transition: none;
  }
}