footer {
     color: black;
    text-align: center;
    padding: 0 20px 0 20px;
    position: relative;
    width: 100%;
    min-height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin-top: 5em;
    padding-bottom: 2em;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.15);

}

footer .redes {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.redes picture {
    max-height: 20px;
}
footer .footerline {
  width: 80px;
  height: 3px;
  background: #c79759;             /* tu dorado */
  margin: 0.5rem auto 1.5rem;
  border-radius: 2px;
}

footer .social-icons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

footer .social-icons a img {
  width: 36px;
  height: 36px;
  
  transition: transform 0.3s ease, filter 0.3s ease;
}

footer .social-icons a:hover img {
  transform: scale(1.2);
  filter: brightness(0) saturate(100%) invert(64%) sepia(48%) saturate(397%) hue-rotate(10deg) brightness(96%) contrast(90%);
  /* se tiñen dorados al hover */
}

footer p {
  font-size: 0.95rem;
  color: grey;
}

/* Tablet / escritorio */
@media (min-width: 768px) {
  footer {
    padding: 2.5rem;
  }

  footer .social-icons a img {
    width: 42px;
    height: 42px;
  }
}