footer {
  background: #fff;
  box-shadow: 0 -2px 24px 0 rgba(0,0,0,0.07);
  padding: 3rem 2rem 2rem 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  position: relative;
  z-index: 10;
  border-radius: 20px 20px 0 0;
}
footer .col {
  flex: 1 1 200px;
  margin: 1rem;
}
footer .col1 h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: #222;
}
footer .social {
  margin: 1rem 0;
}
footer .social .link {
  margin-right: 0.5rem;
  font-size: 1.7rem;
  color: #444;
  transition: color 0.2s;
}
footer .social .link img {
  width: 32px;
  margin-right: 0.5rem;
  vertical-align: middle;
  transition: transform 0.2s;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
footer .social .link img:hover {
  transform: scale(1.2) rotate(-6deg);
  box-shadow: 0 4px 16px rgba(8,76,223,0.12);
}
footer .social .link:hover {
  color: #084cdf;
}
footer .backdrop {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, #e0e7ff 0%, #fff 100%);
  opacity: 0.2;
  z-index: -1;
  border-radius: 20px;
  pointer-events: none;
}
footer .col2 p,
footer .col3 p {
  margin-bottom: 0.5rem;
  color: #444;
  cursor: pointer;
  transition: color 0.2s;
}
footer .col2 p:hover,
footer .col3 p:hover {
  color: #084cdf;
  text-decoration: underline;
}
footer .col1 p {
  margin-bottom: 0.5rem;
}
@media (max-width: 900px) {
  footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1rem 1rem 1rem;
  }
  footer .col {
    margin: 0.5rem 0;
  }
}