/* ============================================================
   RESPONSIVE — Mobile First
   Breakpoints:
     Base    → 0px    (móvil, 1 columna)
     Tablet  → 768px  (2 columnas)
     Desktop → 1024px (layout completo)
   ============================================================ */


/* ============================================================
   TABLET — 768px
   ============================================================ */

@media (max-width: 1023px) {

  /* Header: mostrar hamburguesa, ocultar nav */
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  /* Menú móvil */
  .mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-primary-dark);
    z-index: calc(var(--z-header) - 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-10);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
  }

  .mobile-menu.is-open {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
  }

  .mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    width: 100%;
  }

  .mobile-nav-list a {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--color-white);
  }

  .mobile-nav-list .btn {
    margin-top: var(--space-4);
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .mobile-nav-list .btn-accent {
    color: var(--color-text-primary);
  }

  /* Hero */
  .hero-decoration {
    display: none;
  }

  .hero-content {
    max-width: 100%;
  }

  /* Qué es */
  .que-es-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  /* Info cards */
  .info-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid::before,
  .stats-grid::after {
    display: none;
  }

  /* Beneficios tabs */
  .tab-panel-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .tab-visual {
    display: none;
  }

  /* Contacto */
  .contacto-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}


/* ============================================================
   MÓVIL — 767px y menor
   ============================================================ */

@media (max-width: 767px) {

  /* Tipografía */
  h1 { font-size: clamp(1.75rem, 7vw, 2.5rem); }
  h2 { font-size: clamp(1.5rem, 5vw, 2rem); }

  /* Hero */
  .hero .container {
    padding-block: var(--space-16) var(--space-12);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-5);
  }

  .hero-stat-divider {
    display: none;
  }

  /* Qué es */
  .info-cards-grid {
    grid-template-columns: 1fr;
  }

  /* Stats */
  .stats-block {
    padding: var(--space-8) var(--space-6);
  }

  /* Beneficios tabs */
  .tabs-header {
    gap: 0;
  }

  .tab-btn {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
  }

  /* Contacto */
  .contacto-text h2 {
    font-size: var(--text-2xl);
  }

  .contacto-card {
    padding: var(--space-8) var(--space-6);
  }

  /* FAQ */
  .faq-question {
    font-size: var(--text-sm);
    padding: var(--space-5) 0;
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .footer-legal {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  /* Grids generales */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}


/* ============================================================
   DESKTOP AMPLIO — 1280px+
   ============================================================ */

@media (min-width: 1280px) {

  .hero-content {
    max-width: 700px;
  }

  .hero-decoration {
    right: 8%;
  }
}


/* ============================================================
   PREFERENCIAS DE USUARIO
   ============================================================ */

/* Reducir movimiento */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .fade-in-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Alto contraste */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #0d3d24;
    --color-border:  #000;
  }
}