/* ============================================================
   NAVBAR.CSS
   ============================================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  /* Fondo sólido SIEMPRE: evita que el hero se cuele por detrás */
  background: rgba(6, 12, 22, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--t-base), box-shadow var(--t-base), height var(--t-base);
}

.navbar.scrolled {
  background: rgba(6, 12, 22, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  height: 60px;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  width: 100%;
}

/* ── Logo ── */
.navbar-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 2px;
  flex-shrink: 0;
}

.navbar-logo .logo-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

.navbar-logo .logo-name span {
  color: var(--primary-light);
}

.navbar-logo .logo-tagline {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Nav links ── */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: color var(--t-fast), background var(--t-fast);
  letter-spacing: 0.01em;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.nav-link.active {
  color: var(--primary-light);
}

/* ── Acciones navbar ── */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.navbar-actions .btn {
  padding: 0.55rem 1.25rem;
  font-size: 0.82rem;
}

/* ── Botón menú móvil ── */
.navbar-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  background: transparent;
  transition: background var(--t-fast);
}

.navbar-toggle:hover {
  background: rgba(255,255,255,0.05);
}

.navbar-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base), width var(--t-base);
  transform-origin: center;
}

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

/* ── Menú móvil: SIEMPRE oculto en desktop ──
   Usamos visibility + pointer-events para evitar cualquier
   filtración visual que causaba el efecto de "botones duplicados" */
.navbar-mobile {
  display: none !important;   /* oculto por defecto en todos los tamaños */
  visibility: hidden;
  pointer-events: none;
}

/* ── Mobile (≤ 900px) ── */
@media (max-width: 900px) {

  /* Ocultar nav de escritorio y botón CTA del header */
  .navbar-nav { display: none; }
  .navbar-actions .btn-primary { display: none; }

  /* Mostrar hamburguesa */
  .navbar-toggle { display: flex; }

  /* Menú desplegable: se activa solo vía JS con la clase .open */
  .navbar-mobile {
    display: flex !important;   /* sobreescribe el !important de arriba */
    visibility: hidden;         /* oculto hasta que JS añada .open */
    position: fixed;
    top: var(--navbar-h);
    left: 0;
    right: 0;
    background: rgba(6, 12, 22, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: var(--space-6) var(--container-pad) var(--space-8);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    /* Animación: translada desde arriba */
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--t-base), opacity var(--t-base), visibility var(--t-base);
    z-index: 998;
  }

  .navbar-mobile.open {
    visibility: visible;
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  /* Cuando la navbar está compacta (scrolled), ajustar posición del menú */
  .navbar.scrolled ~ .navbar-mobile { top: 60px; }

  .navbar-mobile .nav-link {
    font-size: 1.05rem;
    padding: var(--space-4) var(--space-2);
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
  }

  .navbar-mobile .nav-link:last-of-type {
    border-bottom: none;
  }

  .navbar-mobile .nav-link:hover {
    color: var(--text);
    background: transparent;
  }

  .navbar-mobile .btn {
    margin-top: var(--space-5);
    width: 100%;
    justify-content: center;
    padding: 0.9rem 1.5rem;
  }
}