/* ==========================================================================
   ESTILOS RESPONSIVOS - MULTIPAGE & WHATSAPP (SIN BADGES)
   ========================================================================== */

/* Tablet & Mobile (<= 992px) */
@media (max-width: 992px) {
  .topbar {
    display: none;
  }

  .header-container {
    height: 70px;
  }

  .logo-img-header {
    height: 44px;
    max-width: 200px;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    box-shadow: var(--shadow-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 999;
    overflow-y: auto;
  }

  .nav-menu.nav-active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    font-size: 1.2rem;
    width: 100%;
    justify-content: space-between;
  }

  /* Dropdown en móvil */
  .nav-dropdown {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    border: none;
    background-color: var(--bg-alt);
    margin-top: 0.5rem;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-dropdown.dropdown-open .dropdown-menu {
    display: block;
  }

  .nav-cta-btn {
    width: 100%;
    margin-top: 1rem;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .calculator-card {
    grid-template-columns: 1fr;
  }

  .calculator-result-panel {
    padding: 2.5rem 1.5rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

/* Mobile Small (<= 640px) */
@media (max-width: 640px) {
  .hero-title {
    font-size: 2.1rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .programs-grid {
    grid-template-columns: 1fr;
  }

  .card-footer-actions {
    grid-template-columns: 1fr;
  }

  .footer-main {
    padding-top: 3rem;
    padding-bottom: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links-list a {
    padding: 0.25rem 0;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
    align-items: center;
    justify-content: center;
  }

  .floating-whatsapp-btn {
    width: 50px;
    height: 50px;
    bottom: 1.25rem;
    right: 1.25rem;
  }

  .floating-whatsapp-icon {
    width: 26px;
    height: 26px;
  }
}