/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pro-border);
  transition: box-shadow 0.3s;
}

.navbar--scrolled {
  box-shadow: 0 2px 20px rgba(83,74,183,0.08);
}

.navbar-inner {
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.navbar-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  justify-content: flex-end;
}

.nav-logo {
  font-family: var(--font-pro);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--pro-title);
}

.nav-logo span { color: var(--pro-accent); }

.lang-toggle {
  background: transparent;
  border: 1.5px solid var(--pro-border);
  color: var(--pro-secondary);
  padding: .3rem .75rem;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 700;
  font-family: var(--font-pro);
  cursor: pointer;
  letter-spacing: .08em;
  transition: border-color 0.2s, color 0.2s;
  min-height: 32px;
}

.lang-toggle:hover {
  border-color: var(--pro-accent);
  color: var(--pro-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: .9rem;
  color: var(--pro-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--pro-title); }

.nav-links a.nav-cta {
  background: var(--pro-accent-strong);
  color: white;
  padding: .35rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.2s;
}
.nav-links a.nav-cta:hover { background: var(--pro-title); color: white; }

.nav-links a[aria-current="page"] {
  color: var(--pro-accent);
  font-weight: 600;
}

/* ── HAMBURGUESA ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--pro-title);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.navbar.is-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
.navbar.is-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }

  .navbar-inner { grid-template-columns: auto 1fr; }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.97);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--pro-border);
    padding: 1rem 0;
  }

  .nav-links.is-open { display: flex; }
  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: .85rem 2rem;
    font-size: 1rem;
    text-align: center;
  }

  .nav-links a.nav-cta {
    background: none;
    color: var(--pro-secondary);
    padding: .85rem 2rem;
    border-radius: 0;
    font-weight: 500;
  }
}