/* ─── FOOTER ─── */
.footer {
  background: var(--color-bg-void);
  padding-top: var(--space-20);
  padding-bottom: var(--space-10);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient-border);
  background-size: 300% 100%;
  animation: borderRotate 8s linear infinite;
  opacity: 0.4;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

/* Columna brand */
.footer-logo {
  display: inline-flex;
  margin-bottom: var(--space-5);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  max-width: 280px;
}

/* Headings */
.footer-heading {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-5);
}

/* Links */
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover { color: var(--color-primary-400); }

/* Contact list */
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-contact-list i {
  color: var(--color-primary-400);
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

.footer-contact-list a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-contact-list a:hover { color: var(--color-primary-400); }

/* Bottom */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-subtle);
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover { color: var(--color-primary-400); }