/* =========================================================
   Lectura Biónica — responsive.css
   Sólo overrides visuales (los grids los maneja Bootstrap)
   ========================================================= */

@media (max-width: 991.98px) {
  .hero-visual { margin: 0 auto; max-width: 420px; }
  .concept-stage { height: 200px; }
  .compare { grid-template-columns: 1fr; padding: 30px; }
  .compare-col { padding: 24px 0; }
  .compare-col + .compare-col { border-left: none; border-top: 1px dashed var(--line); }
  .tool-inner { padding: 24px; }
  .section { padding: 80px 0; }
}

@media (max-width: 639.98px) {
  /* Resetear isla en mobile */
  .nav {
    display: none;
    position: static;
    transform: none;
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
  }
  /* Resetear sombra de isla al hacer scroll en mobile */
  .header.scrolled .nav { box-shadow: none; }

  .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--bg-elev);
    padding: 16px 28px 22px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    gap: 4px;
    align-items: stretch;
    box-shadow: var(--shadow-card);
  }
  .nav.open a {
    font-size: 15px;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: var(--r-sm);
    color: var(--ink-soft);
  }
  .nav.open a.active { color: var(--ink); font-weight: 600; }
  .nav.open a:hover { color: var(--ink); }
  /* Ocultar dot en drawer mobile */
  .nav.open a::before { display: none; }

  /* CTA en drawer mobile */
  .nav.open .nav-cta--mobile {
    display: flex;
    width: 100%;
    justify-content: center;
    margin-top: 8px;
    font-size: 15px;
    padding: 12px 16px;
  }

  /* Ocultar CTA desktop en mobile */
  .nav-cta--desktop { display: none; }

  .menu-toggle { display: block; }
  .hero { padding-top: 50px; padding-bottom: 30px; }
  .bento { min-height: 240px; padding: 26px 24px; }
  .bento-stat { font-size: 64px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .wrap { padding: 0 20px; }
  .tool-controls { width: 100%; justify-content: space-between; }
  .tool-head { gap: 12px; }
  .tool-inner { padding: 18px; }
  .tool-input, .tool-output { font-size: 16px; min-height: 220px; padding: 16px; }
  .contact-card { padding: 28px 22px; }
  .compare { padding: 24px; }
  .compare-col { padding: 18px 0; }
  .plan { padding: 30px 26px; }
  .section { padding: 64px 0; }
  .section-tight { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }
  .footer { padding: 40px 0 30px; margin-top: 30px; }
  .demo-comp { font-size: 30px; }
  .demo-fix { font-size: 22px; gap: 14px; }
}

@media (min-width: 640px) and (max-width: 850px) {
  .nav a {
    font-size: 13px;
    padding: 7px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .account-section {
    padding: 40px 16px;
  }

  .account-card {
    padding: 24px 20px;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .datos-form-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .datos-actions {
    grid-column: span 1;
    justify-content: stretch;
  }

  .datos-btn-submit {
    width: 100%;
  }
}