/* ==============================================================================
   FOOTER — Diseño estructurado de 3 columnas
   ============================================================================== */

.footer {
  background: var(--color-dark);
  color: var(--color-light);
  margin-top: var(--space-3xl);
  /* override container.css flex constraints */
  flex-basis: auto !important;
  display: block !important;
  align-items: unset !important;
  justify-content: unset !important;
  padding-bottom: 0 !important;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-2xl) var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .footer-main {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
  }
}

/* ---- Brand ---- */
.footer-logo-link img {
  width: 140px;
  height: auto;
  filter: brightness(0) invert(1);
  margin-bottom: var(--space-md);
  display: block;
}

.footer-tagline {
  font-size: var(--fs-sm);
  color: var(--color-warm-gray);
  line-height: 1.7;
  max-width: 280px;
  margin: 0;
}

/* ---- Navigation links ---- */
.footer-links h4,
.footer-social h4 {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links ul li a {
  color: var(--color-warm-gray);
  text-decoration: none;
  font-size: var(--fs-sm);
  transition: color var(--transition-base);
}

.footer-links ul li a:hover {
  color: var(--color-primary);
}

/* ---- Social icons ---- */
.footer-social-icons {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer-social-icons a {
  font-size: 2rem;
  line-height: 1;
  display: inline-flex;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.footer-social-icons a:hover {
  opacity: 0.75;
  transform: translateY(-3px);
}

.footer-contact-email {
  font-size: var(--fs-xs);
  color: var(--color-warm-gray);
  margin: 0;
  word-break: break-all;
}

/* ---- Copyright bar ---- */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  text-align: center;
  padding: var(--space-md) var(--space-xl);
}

.footer-bottom p {
  font-size: var(--fs-xs);
  color: var(--color-warm-gray);
  margin: 0;
}
.footer-dev {
  margin-top: .4rem !important;
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.25) !important;
}
.footer-dev a {
  color: rgba(255,255,255,.45);
  text-decoration: none;
  transition: color .2s;
}
.footer-dev a:hover { color: #BB8683; }