.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), rgba(49, 49, 49, 0.35));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-inner {
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LOGO */
.logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-decoration: none;
  opacity: 0.8;
  display: flex;
  align-items: center;
}

/* LINKS */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.80rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: #ffffff;
}

/* LAUNCH BUTTON */
.nav-cta {
  margin-left: 0.5rem;
  padding: 0.5rem 0.9rem;
  background: #111;
  color: #ffffff;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.nav-cta:hover {
  background: #1a1a1a;
  border-color: rgba(255,255,255,0.2);
}

/* MOBILE */
@media (max-width: 800px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }
}