.footer {
  width: 100%;
  background-color: #222;
  color: white;
  padding: 2em 1em;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.footer-heading {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1em;
  text-align: center;
}

.footer-sections {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1em;
}

.footer-section {
  flex: 1 1 250px;
  text-align: center;
  padding: 0.5em;
  box-sizing: border-box;
}

.footer-section h4 {
  margin-bottom: 0.5em;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3em;
}

.footer-section a {
  color: #90caf9;
  text-decoration: none;
}

.footer-section a:hover {
  text-decoration: underline;
}

.footer-address {
  font-size: 0.9rem;
  margin-top: 0.5em;
  line-height: 1.4;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .footer-sections {
    flex-direction: column;
    align-items: center;
  }

  .footer-section {
    flex: 1 1 100%;
    padding: 0.5em 0;
  }

  .footer-section h4 {
    justify-content: center;
  }
}