footer {
  width: 100%;
  background: #2c3e50;
  color: #ecf0f1;
  padding: 40px 20px;
  text-align: center;
  box-sizing: border-box;
  margin: 0;
  position: relative;
  left: 0;
  right: 0;
  bottom: 0;
  font-family: Arial, sans-serif;
}

footer .footer-container {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 0;
  padding: 0 20px;
  box-sizing: border-box;
}

footer .footer-column {
  flex: 1;
  min-width: 200px;
  margin: 20px;
}

footer .footer-column h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: #f1c40f;
  background: transparent;
}

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

footer .footer-column ul li {
  margin: 10px 0;
}

footer .footer-column ul li a {
  text-decoration: none;
  color: #bdc3c7;
  transition: color 0.3s;
}

footer .footer-column ul li a:hover {
  color: #f1c40f;
}

footer .social-icons {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

footer .social-icons a {
  text-decoration: none;
  color: #ecf0f1;
  margin: 0 10px;
  font-size: 1.5rem;
  transition: color 0.3s;
}

footer .social-icons a:hover {
  color: #f1c40f;
}

footer .copyright {
  margin-top: 20px;
  font-size: 0.9rem;
  color: #7f8c8d;
}