/* ═══════════════════════════════════════════════
   nav.css — Navegación fija
   Rodax Group Labs
═══════════════════════════════════════════════ */

nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6%;
  background: rgba(6, 13, 26, 0.88);
  backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--white);
  text-decoration: none;
}
.nav-logo span { color: var(--cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-sec);
  text-decoration: none;
  transition: color var(--tr);
}
.nav-links a:hover { color: var(--white); }

.nav-btn {
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--blue);
  color: var(--white) !important;
  padding: .45rem 1.2rem;
  border-radius: 6px;
  transition: background var(--tr), box-shadow var(--tr);
}
.nav-btn:hover {
  background: var(--blue-h) !important;
  box-shadow: 0 0 20px rgba(37, 99, 235, .4);
}