/* =========================================
   RESPONSIVE — mobile-first
   Breakpoints: 768px (tablet), 1024px (desktop pequeño), 1280px (desktop)
   ========================================= */

/* --- Tablet (≥ 768px) --- */
@media (min-width: 768px) {
  .seccion__titulo { font-size: var(--tam-3xl); }
}

/* --- Desktop pequeño (≥ 1024px) --- */
@media (min-width: 1024px) {
  /* Nav — ya visible en desktop, nada que cambiar */
}

/* =========================================
   MÓVIL (< 768px)
   ========================================= */

@media (max-width: 767px) {

  /* NAV */
  :root {
    --alto-nav: 80px;
  }

  .nav__logo img {
    height: 56px;
    width: auto;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--alto-nav);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-fondo);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 99;
  }

  .nav__menu--abierto {
    transform: translateX(0);
  }

  .nav__link {
    padding: 1rem;
    font-size: var(--tam-base);
    border-radius: var(--radio);
  }

  .nav__link.btn--nav {
    margin-top: 1rem;
    text-align: center;
    justify-content: center;
  }

  /* HERO */
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    gap: 2rem;
  }

  .hero__titulo {
    font-size: var(--tam-2xl);
  }

  .hero__subtitulo {
    font-size: var(--tam-base);
    margin-inline: auto;
  }

  .hero__ctas {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__grafico {
    width: 200px;
    height: 200px;
  }

  .hero__circulo--1 { width: 180px; height: 180px; }
  .hero__circulo--2 { width: 120px; height: 120px; }

  /* SERVICIOS */
  .servicios-grid {
    grid-template-columns: 1fr;
  }

  /* PROYECTO */
  .proyecto {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .proyecto__imagen {
    order: -1;
  }

  .proyecto__titulo {
    font-size: var(--tam-xl);
  }

  /* CTA */
  .cta-seccion__titulo {
    font-size: var(--tam-2xl);
  }

  /* FOOTER */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__logo {
    width: 40%;
  }

  .footer__legal-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .seccion__titulo {
    font-size: var(--tam-2xl);
  }

  /* Hero interior */
  .hero-interior__inner { grid-template-columns: 1fr; }
  .hero-interior__titulo { font-size: var(--tam-2xl); }
  .hero__visual { display: none; } /* ocultar nodos en móvil para no saturar */

  /* Servicios detalle */
  .servicio-detalle__inner,
  .servicio-detalle__inner--inv {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 2rem;
  }

  .servicio-detalle__placeholder { height: 180px; font-size: 3.5rem; }

  /* Contacto */
  .contacto__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .form__submit { width: 100%; justify-content: center; }
}

/* =========================================
   TABLET (768px — 1023px)
   ========================================= */

@media (min-width: 768px) and (max-width: 1023px) {

  /* Servicios detalle */
  .servicio-detalle__inner,
  .servicio-detalle__inner--inv {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 2.5rem;
  }

  /* Contacto */
  .contacto__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* =========================================
   TABLET (768px — 1023px)
   ========================================= */

@media (min-width: 768px) and (max-width: 1023px) {

  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__titulo {
    font-size: var(--tam-3xl);
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__marca {
    grid-column: 1 / -1;
  }
}