/* ==========================================================================
   site-footer.css — Footer global de 4 columnas (estructura: 3 visibles + bar)
   Mobile-first: base = móvil (columnas apiladas); @media (min-width) ANIDADOS.
   Referencia: mockup — fondo blanco, divisor sutil arriba, 3 columnas
   (Brand / NAPS Systems / Start a Project). Tipografía pequeña, mucho aire.
   ========================================================================== */

.site-footer {
  /* base (móvil) */
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  /* base (móvil) — 1 columna */
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 2.5rem 1rem;

  @media (min-width: 768px) {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 2.5rem;
    padding: 3rem 2rem;
  }

  @media (min-width: 1024px) {
    gap: 3.5rem;
    padding: 3.5rem 2.5rem;
  }
}

/* ---- Columnas (común) ---- */
.site-footer__col-title {
  /* base (móvil) */
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-navy);
  margin-bottom: 0.85rem;
}

/* ---- Col 1: Brand — cabecera logo + nombre lado a lado ---- */
.site-footer__brand-head {
  /* base (móvil) */
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.site-footer__logo {
  /* base (móvil) */
  flex-shrink: 0;
  height: 40px;
  width: auto;
}

.site-footer__brand-name {
  /* base (móvil) */
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.15;
  color: var(--color-navy);
}

.site-footer__brand-desc {
  /* base (móvil) */
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text-soft);
  margin-bottom: 1rem;
  max-width: 22rem;
}

.site-footer__contact {
  /* base (móvil) */
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.6;
}

.site-footer__contact-link {
  /* base (móvil) */
  color: var(--color-blue);
  transition: color 0.18s ease;
}

.site-footer__contact-link:hover {
  color: var(--color-navy);
}

/* ---- Col 2: NAPS Systems ---- */
.site-footer__sys-link {
  /* base (móvil) */
  display: block;
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--color-text-soft);
  transition: color 0.18s ease;
}

.site-footer__sys-link:hover {
  color: var(--color-blue);
}

/* ---- Col 3: Start a Project ---- */
.site-footer__cta-text {
  /* base (móvil) */
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text-soft);
  margin-bottom: 0.85rem;
  max-width: 18rem;
}

.site-footer__cta-link {
  /* base (móvil) */
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.18s ease;
}

.site-footer__cta-link:hover {
  color: var(--color-navy);
}

/* ---- Barra inferior (copyright) ---- */
.site-footer__bar {
  /* base (móvil) */
  border-top: 1px solid var(--color-border);
}

.site-footer__copy {
  font-size: 0.78rem;
  color: var(--color-text-soft);
  text-align: center;

  @media (min-width: 768px) {
    text-align: left;
  }
}



.site-footer__bar {
  /* base (móvil) — full width, con la línea de lado a lado */
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;

  @media (min-width: 768px) {
    /* tablet+ : convertimos a grid de 1 columna centrada con max-width.
       Los hijos (copy + powered) se acomodan en una "fila" usando otro flex
       gracias a un wrapper virtual via grid-template-columns. */
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem clamp(1rem, calc((100% - var(--container-max)) / 2 + 2rem), 50%);
  }
}

.site-footer__powered {
  font-size: 0.78rem;
  color: var(--color-text-soft);
  text-align: center;
}

.site-footer__powered-link {
  font-weight: 700;
  color: var(--color-blue);
  transition: color 0.18s ease;
}

.site-footer__powered-link:hover {
  color: var(--color-navy);
}