/* ══════════════════════════════════
   NAVIGATION
══════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 999;
  height: 62px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem;
  background: rgba(2,2,9,0.75);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid rgba(0,255,136,0.08);
  transition: background 0.3s;
}

nav.scrolled { background: rgba(2,2,9,0.95); }

.nav-logo {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 3px;
  text-decoration: none;
  color: #fff;
  display: flex; align-items: center; gap: 3px;
}
.nav-logo .g { color: var(--green); }
.nav-logo .c { color: var(--cyan); }

.nav-links { display: flex; gap: 0.25rem; list-style: none; }
.nav-links a {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 3px;
  transition: all 0.25s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--green);
  background: rgba(0,255,136,0.06);
}