/* ==========================================================================
   EXMULI — responsive.css
   Mejoras progresivas para pantallas más grandes (mobile-first).
   Puntos de quiebre: 600 (teléfono grande) · 820 (tableta) · 1024 (escritorio)
   ========================================================================== */

@media (min-width: 600px) {
  .brand img { width: 170px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .inline-fields { grid-template-columns: 1fr 1fr; }
  .form-grid--2 { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .track-form { grid-template-columns: 1fr auto; align-items: end; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .steps li { padding-left: 5rem; }
}

@media (min-width: 820px) {
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 3rem; }
  .hero-art { margin-inline: 0; }
  .split { grid-template-columns: 1fr 1fr; gap: 3.5rem; }
  .split--reverse > :first-child { order: 2; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cta-band { grid-template-columns: 1fr auto; }
  .contact-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 2.5rem; align-items: start; }
  .contact-layout--form { grid-template-columns: 1.6fr 1fr; }
}

@media (min-width: 1024px) {
  :root { --header-h: 76px; }

  /* Navegación horizontal de escritorio */
  .nav-toggle { display: none; }
  .primary-nav {
    position: static; display: flex !important; align-items: center; gap: 1.5rem;
    background: transparent; border: 0; padding: 0; max-height: none; overflow: visible;
  }
  .primary-nav ul { display: flex; gap: 0.25rem; }
  .primary-nav li a:not(.btn) {
    position: relative; padding: 0.6rem 0.85rem; border: 0; border-radius: 8px; font-size: 0.97rem;
  }
  .primary-nav li a:not(.btn)::after {
    content: ""; position: absolute; left: 0.85rem; right: 0.85rem; bottom: 0.2rem; height: 2px;
    background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
  }
  .primary-nav li a:not(.btn):hover::after, .primary-nav li a[aria-current="page"]::after { transform: scaleX(1); }
  .primary-nav .btn { width: auto; margin: 0; }
  .no-js .primary-nav { position: static; }

  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .steps li { padding: 4.25rem 1.25rem 1.5rem; }
  .steps li::before { left: 1.25rem; top: 1.1rem; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }

  /* En escritorio no hace falta la barra de acción móvil */
  .mobile-cta { display: none; }
  body { padding-bottom: 0; }
  .back-to-top { bottom: 1.5rem; right: 1.5rem; }
}

@media (min-width: 1280px) {
  .container { width: min(100% - 4rem, var(--max)); }
}

/* Pantallas muy estrechas: evitar desbordes horizontales */
@media (max-width: 360px) {
  .btn { padding-inline: 1rem; }
  .brand img { width: 132px; }
  .spec-list div { flex-direction: column; gap: 0.1rem; }
  .spec-list dd { text-align: left; }
}

/* Impresión: contenido útil, sin cromo de navegación */
@media print {
  .site-header, .mobile-cta, .back-to-top, .nav-toggle, .cta-band .btn-row { display: none !important; }
  body { padding: 0; color: #000; }
  .section--dark, .hero, .page-hero { background: #fff !important; color: #000 !important; }
  .hero h1, .page-hero h1, .section--dark h2, .section--dark h3 { color: #000 !important; }
}

/* v3 */
@media (min-width: 900px) {
  .hero--video { min-height: 680px; }
  .hero--video .hero-copy { padding-bottom: 6rem; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,18,42,.92) 0, rgba(7,18,42,.72) 40%, rgba(7,18,42,0) 75%); }
  .hero-video { object-position: center; }
}
@media (min-width: 760px) { .wa-fab { display: inline-flex; } }