/* =====================================================
   RESPONSIVE
   ===================================================== */

/* --- Desktop grande (≥1440px) --- */
@media (min-width: 1440px) {
  body { font-size: 19px; }
  section { padding: 140px 0; }
}

/* --- Tablet y desktop pequeño (≤960px) --- */
@media (max-width: 960px) {
.main-nav { gap: 18px; font-size: 13px; }
  .main-nav .header-cta { padding: 8px 14px; font-size: 12px; }

  .problem-block .wrap,
  .about-story-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .services-grid,
  .testimonial-grid,
  .how-grid,
  .about-meta-grid,
  .compare-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .svc-row {
    grid-template-columns: 60px 1fr;
    gap: 16px;
  }
  .svc-row .desc, .svc-row .action { grid-column: 1 / -1; }

  section { padding: 80px 0; }
  .home-hero, .about-hero, .services-hero, .contact-hero { padding-top: 100px; }
  .about-story .col-title h2 { position: static; font-size: 32px; }

  .anticaos-placeholder::before { font-size: 100px; }
}

/* --- Tablet (≤768px) --- */
@media (max-width: 768px) {
  .wrap, .wrap-narrow { padding: 0 20px; }

  h1 br, h2 br { display: none; }

  .nav-toggle { display: flex; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 24px;
    background: rgba(4, 4, 4, 0.97);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .main-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .main-nav a:not(.header-cta) {
    display: block;
    padding: 16px 0;
    font-size: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .main-nav .header-cta {
    margin-top: 20px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }

  section { padding: 72px 0; }
  .home-hero, .about-hero, .services-hero, .contact-hero { padding-top: 110px; }

  .about-hero .wrap { grid-template-columns: 1fr; }
  .about-image { aspect-ratio: 4/3; }

  .home-hero .lead { font-size: 18px; }
}

/* --- Móvil (≤480px) --- */
@media (max-width: 480px) {
  body { font-size: 16px; }
  .wrap, .wrap-narrow { padding: 0 16px; }

section { padding: 56px 0; }
  .home-hero, .about-hero, .services-hero, .contact-hero { padding-top: 90px; }

  .home-hero .lead { font-size: 17px; }
  .home-hero .actions { flex-direction: column; }

  .btn { padding: 14px 28px; font-size: 14px; width: 100%; text-align: center; }
  .btn-ghost { width: 100%; }

  .about-image { height: 45vh; min-height: 280px; }

  .anticaos-placeholder::before { font-size: 72px; }
}