/**
 * BANKAI + — RESPONSIVE
 * Breakpoints:
 *   1200px → Desktop grande
 *    900px → Tablet / desktop pequeño
 *    640px → Tablet pequeña / móvil grande
 *    400px → Móvil pequeño
 */

/* ── 1200px: ajustes finos de desktop ── */
@media (max-width: 1200px) {
  nav { padding: 18px 32px; }
  .hero { padding: 88px 32px 40px; gap: 24px; }
  .section { padding: 80px 32px; }
  footer { padding: 60px 32px 30px; }
  .cta-section { padding: 80px 32px; }
}

/* ── 900px: tablet / menú hamburger ── */
@media (max-width: 900px) {
  /* Nav */
  nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  /* Hero — layout apilado en tablet/mobile:
     texto arriba, TV abajo, cada uno full-width */
  .hero {
    flex-direction: column;
    align-items: stretch;
    padding: 100px 24px 40px;
    min-height: auto;
    gap: 32px;
  }
  .hero-content {
    flex: none;
    max-width: 100%;
    padding-bottom: 0;
  }

  /* TV: full-width debajo del texto */
  .hero-visual {
    flex: none;
    width: 100%;
    max-width: 100%;
  }

  /* El mockup toma todo el ancho — las cards flotantes quedan dentro */
  .tv-mockup {
    padding: 0 52px; /* espacio más pequeño para las cards en mobile */
  }

  .hero h1 { font-size: clamp(2.5rem, 10vw, 4rem); }
  .hero h1 span { font-size: clamp(1.8rem, 7vw, 3rem); }

  /* Stats: 2x2 en tablet */
  .hero-stats {
    grid-template-columns: repeat(2, auto);
    row-gap: 20px;
    width: auto;
  }
  .hero-stats .stat-item:nth-child(2) { border-right: none; }
  .hero-stats .stat-item:last-child   { border-right: none; }
  .hero-stats .stat-item:nth-child(3) { padding-left: 0; }

  /* Hero form: apilado verticalmente */
  .hero-form-row { flex-direction: column; }
  .hero-input {
    border-right: 1px solid rgba(255,255,255,0.14);
    border-bottom: none;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }
  .hero-submit {
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    padding: 14px 20px;
  }

  /* Secciones */
  .section { padding: 70px 24px; }
  .cta-section { padding: 70px 24px; }

  /* Features: 2 columnas en tablet */
  .features-grid {
    grid-template-columns: 1fr 1fr;
    background: rgba(255,255,255,0.04);
  }

  /* Trust section */
  .trust-section { padding: 48px 24px; }
  .trust-block { gap: 20px; }
  .trust-label { min-width: auto; width: 100%; margin-bottom: 4px; }
  .devices-row { gap: 20px; }
  .payments-row { gap: 8px; }

  /* Catálogo */
  .content-grid { grid-template-columns: 1fr; gap: 40px; }
  .content-visual { max-width: 480px; }
  .catalog-grid { gap: 10px; }
  .catalog-btn { padding: 16px 28px; gap: 14px; }
  .catalog-btn-icon { width: 22px; height: 22px; }
  .catalog-btn-main { font-size: 0.9rem; }

  /* Pricing */
  .region-toggle-wrap { max-width: 360px; margin: 24px auto 28px; }
  .region-toggle { padding: 10px 16px; font-size: 0.85rem; gap: 6px; }
  
  .billing-tabs { gap: 4px; margin-bottom: 32px; }
  .billing-tab { padding: 8px 16px; font-size: 0.8rem; }
  .save-badge { margin-left: 4px; }
  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
    background: transparent;
    border: none;
    gap: 16px;
  }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-4px); }

  /* Steps */
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 40px 0; }
  .steps-grid::before { display: none; }

  /* Devices */
  .devices-grid { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  footer { padding: 48px 24px 24px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}

/* ── 640px: móvil grande ── */
@media (max-width: 640px) {
  /* Nav */
  nav { padding: 14px 20px; }
  .logo-text { font-size: 1.6rem; }
  .logo-sub { display: none; }

  /* Hero mobile pequeño */
  .hero { padding: 90px 16px 32px; }
  .hero h1 { font-size: clamp(2.4rem, 11vw, 3.2rem); }
  .hero h1 span { font-size: clamp(1.7rem, 8vw, 2.4rem); }
  .hero-desc { font-size: 0.95rem; }
  /* Stats en 2x2, tamaño reducido */
  .hero-stats { margin-top: 28px; padding-top: 20px; }
  .stat-number { font-size: 1.7rem; }
  .stat-item { padding: 0 14px; }
  .stat-item:first-child { padding-left: 0; }
  /* TV: padding mínimo para las cards flotantes */
  .tv-mockup { padding: 0 44px; }
  /* Cards flotantes: más pequeñas en mobile */
  .floating-card { padding: 8px 10px; max-width: 130px; }
  .card-text  { font-size: 0.62rem; }
  .card-value { font-size: 0.88rem; }

  /* Botones globales */
  .btn-primary, .btn-secondary {
    padding: 14px 24px;
    font-size: 0.85rem;
  }

  /* Secciones */
  .section { padding: 60px 20px; }
  .cta-section { padding: 60px 20px; }
  .section-title { font-size: clamp(1.8rem, 7vw, 2.6rem); }

  /* Features */
  .features-grid { grid-template-columns: 1fr; background: transparent; border: none; gap: 1px; }

  /* Trust */
  .trust-section { padding: 40px 20px; }
  .trust-block { flex-direction: column; align-items: flex-start; gap: 16px; }
  .devices-row { gap: 20px; flex-wrap: wrap; }
  .device-item { font-size: 0.75rem; }
  .payment-pill { font-size: 0.78rem; padding: 6px 12px; }

  /* FAQ inner padding */
  .faq-question { padding: 18px 20px; font-size: 0.88rem; }
  .faq-answer-inner { padding: 0 20px 18px; }

  /* Catálogo */
  .catalog-grid { gap: 8px; }
  .catalog-card-title { font-size: 0.72rem; }
  .catalog-card-inner { padding: 10px; }
  .catalog-cta { margin-top: 36px; }
  .catalog-btn { padding: 14px 24px; gap: 12px; flex-wrap: wrap; justify-content: center; }
  .catalog-btn-icon { width: 20px; height: 20px; }
  .catalog-btn-main { font-size: 0.85rem; }
  .catalog-btn-sub { font-size: 0.68rem; }
  .catalog-btn-arrow { width: 18px; height: 18px; }

  /* Steps */
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .step { padding: 0 8px; }

  /* Devices */
  .devices-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .device-card { padding: 24px 12px; }
  .device-icon { font-size: 2rem; }

  /* Payments */
  .payment-item { flex: 1 1 100%; }

  /* Pricing */
  .price-card { padding: 36px 24px; }
  .price-amount { font-size: 3rem; }
  .pricing-toggle { gap: 12px; }

  /* FAQ */
  .faq-question { padding: 20px 24px; font-size: 0.88rem; }
  .faq-answer-inner { padding: 0 24px 20px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand p { max-width: 100%; }
  footer { padding: 40px 20px 20px; }

  /* CTA */
  .cta-title { font-size: clamp(1.8rem, 8vw, 2.6rem); }
  .cta-form-row { flex-direction: column; border-radius: var(--radius-sm); }
  .cta-input {
    border-right: 1px solid rgba(255,255,255,0.12);
    border-bottom: none;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }
  .cta-submit {
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    padding: 14px 20px;
  }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn-primary,
  .cta-actions .btn-secondary { width: 100%; max-width: 340px; text-align: center; }
  .cta-divider { display: none; }
  .cta-metrics { 
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 12px;
    max-width: 100%;
  }
  .device-item--divider { display: none; }
}

/* ── 400px: móvil muy pequeño ── */
@media (max-width: 400px) {
  nav { padding: 12px 16px; }
  .logo-mark { width: 42px; height: 42px; }
  .logo-text { font-size: 1.4rem; }

  .hero { padding: 80px 12px 28px; }
  .hero h1 { font-size: clamp(2.2rem, 13vw, 2.8rem); }
  .hero h1 span { font-size: clamp(1.5rem, 10vw, 2rem); }
  /* TV padding mínimo para las cards en pantallas muy pequeñas */
  .tv-mockup { padding: 0 36px; }
  .floating-card { padding: 6px 8px; max-width: 110px; }

  .section { padding: 52px 16px; }
  .cta-section { padding: 52px 16px; }

  .features-grid { gap: 0; }
  .feature-card { padding: 28px 20px; }

  .catalog-btn { 
    padding: 12px 20px; 
    gap: 10px; 
    font-size: 0.85rem;
    width: 100%;
    max-width: 320px;
  }
  .catalog-btn-text { gap: 1px; }
  .catalog-btn-main { font-size: 0.8rem; }
  .catalog-btn-sub { font-size: 0.65rem; }

  .region-toggle-wrap { max-width: 100%; padding: 4px; gap: 6px; }
  .region-toggle { padding: 8px 12px; font-size: 0.8rem; }
  
  .pricing-cards { max-width: 100%; }
  .price-card { padding: 30px 20px; }

  footer { padding: 36px 16px 16px; }
  .cta-metrics { 
    gap: 16px 8px;
    max-width: 100%;
  }
  .cta-metric-value { font-size: 1.6rem; }
  .cta-metric-label { font-size: 0.65rem; }
}

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