/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  transition: background 0.5s, border-color 0.5s;
}
nav.scrolled {
  background: rgba(6,15,34,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 0.5px solid rgba(201,169,110,0.2);
}
.nav-logo {
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  opacity: 0;
}
.nav-links {
  display: flex; gap: 2.5rem;
  list-style: none;
  opacity: 0;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cream-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: transparent;
  border: 0.5px solid var(--gold);
  color: var(--gold);
  padding: 0.6rem 1.4rem;
  cursor: none;
  transition: background 0.25s, color 0.25s;
  opacity: 0;
}
.nav-cta:hover { background: var(--gold); color: var(--cobalt); }