/* Navegación crítica */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 9999;
  height: 70px;
  display: flex;
  align-items: center;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 800;
  font-size: 1.5rem;
  z-index: 10001;
}

/* Optimizaciones móviles críticas */
@media (max-width: 768px) {
  .header {
    height: 60px;
    padding: 0;
  }
  
  .header-container {
    padding: 0 16px;
  }
  
  .logo {
    font-size: 1.25rem;
    gap: 0.5rem;
  }
  
  body {
    padding-top: 40px;
  }
  
  /* Touch targets mínimos 44px */
  button, .btn, a[role="button"] {
    min-height: 44px;
    min-width: 44px;
  }
}