/* ============================================
   NAV — Fixed top navigation
   ============================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 3rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,11,0.85);
  backdrop-filter: blur(16px);
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--white);
  text-transform: uppercase;
}
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--accent); }