.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  transition: all var(--duration-normal) var(--ease-cinematic);
}

.nav--sticky-active {
  background-color: rgba(19, 19, 19, 0.75);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border-bottom: 1px solid rgba(226, 226, 226, 0.05);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--weight-black);
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--duration-fast) var(--ease-cinematic);
}

.nav__logo:hover {
  color: var(--accent-cyan);
}

.nav__cta {
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  font-weight: var(--weight-bold);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  border: none;
  border-radius: var(--radius-full);
  padding: 0.625rem 1.5rem;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-cinematic);
  box-shadow: 0 2px 16px rgba(133, 22, 255, 0.25);
}

.nav__cta:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 6px 40px rgba(133, 22, 255, 0.5),
              0 0 80px rgba(123, 228, 255, 0.3),
              0 0 140px rgba(133, 22, 255, 0.12);
}