/* ── Nav — floating pill ── */
nav {
  position: fixed;
  top: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: 95vw;
  z-index: 200;
  display: flex;
  align-items: center;
  padding: .6rem .6rem .6rem 1.5rem;
  background: rgba(3,6,15,0.84);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50px;
  box-shadow: 0 8px 40px rgba(0,0,0,.45),
              0 0 0 1px rgba(0,240,255,0.05),
              inset 0 1px 0 rgba(255,255,255,0.06);
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: .9rem;
  white-space: nowrap;
}
.nav-links { display: flex; gap: .15rem; list-style: none; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .03em;
  padding: .42rem .92rem;
  border-radius: 50px;
  transition: color .25s, background .25s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--accent); background: rgba(0,240,255,0.09); }