.footer {
  background-color: var(--color8);
  color: var(--color9);
  padding: 3rem 1rem;
  font-size: 0.95rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer h4 {
  color: var(--color5);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer a {
  color: var(--color9);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: var(--color5);
}

.footer-copy {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color10);
}

.social-links a {
  font-size: 1.5rem;
  margin-right: 0.75rem;
  display: inline-block;
}

.social-links img {
  width: 24px;
  height: 24px;
  transition: filter 0.3s ease;
  filter: brightness(0) invert(1); /* blanco por defecto */
}

.social-links a:hover img {
  filter: none;
  color: var(--color1); /* solo útil si usás SVG inline o fill actual */
}