/* ==========================================================================
   footer.css — Pie de página
   ========================================================================== */

.footer {
  background-color: var(--canvas);
  border-top: 1px solid var(--line);
  padding-block: var(--space-12);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 640px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
  }
}

/* --- Columna de marca --- */
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__brand-top {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
}

.footer__logo-link {
  display: inline-block;
  flex-shrink: 0;
  cursor: default;
}

.footer__logo {
  width: 110px;
  height: 110px;
  object-fit: contain;
  display: block;
}

/* Animación al hacer click */
.footer__logo-link.logo-animate .footer__logo {
  animation: logo-pop 420ms var(--ease-out) forwards;
}

@keyframes logo-pop {
  0%   { transform: scale(1)    rotate(0deg); }
  30%  { transform: scale(0.87) rotate(-4deg); }
  65%  { transform: scale(1.12) rotate(3deg); }
  85%  { transform: scale(0.97) rotate(-1deg); }
  100% { transform: scale(1)    rotate(0deg); }
}

.footer__brand-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: center;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--ink-2);
  line-height: var(--leading-body);
}

.footer__nit {
  font-size: var(--text-caption);
  color: var(--ink-3);
}

/* --- Columnas de navegación --- */
.footer__col-title {
  font-size: var(--text-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--ink);
  margin-bottom: var(--space-4);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--ink-2);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__link:hover { color: var(--accent); }
.footer__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* --- Barra inferior --- */
.footer__bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--text-caption);
  color: var(--ink-3);
  max-width: none;
}

.footer__made-by {
  font-size: var(--text-caption);
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__made-by a {
  color: var(--ink-2);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__made-by a:hover { color: var(--accent); opacity: 1; }