/* ── Navigation ──────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  height: 56px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--dark);
}

.nav-sep {
  color: var(--border);
  font-size: 1.1rem;
}

.nav-url {
  font-size: 0.75rem;
  color: var(--light);
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.82rem;
  color: var(--mid);
  font-weight: 500;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-gh {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--dark) !important;
  transition: border-color 0.12s;
}

.nav-gh:hover {
  border-color: var(--accent);
  text-decoration: none !important;
}