footer {
  text-align: center;
  font-size: 14px;
  color: #666;
  border-top: 1px solid #ddd;
  padding-top: 10px;
  margin-top: 20px;
}

@media (max-width: 600px) {
  footer { font-size: 12px; }
}


/* === Responsive Navigation & Contact Buttons === */
@media (max-width: 768px) {
  /* Navigation: stack items vertically with spacing */
  header nav ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 0;
    margin: 10px 0;
    list-style: none;
  }
  header nav li {
    display: block;
  }
  header nav a {
    display: block;
    font-size: 14px;
    padding: 8px 12px;
    line-height: 1.2;
  }

  /* Contact buttons: make them easy to tap on mobile */
  .top-buttons-fixed {
    position: fixed;
    bottom: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
  }
  .top-buttons-fixed a,
  .call-btn, .whatsapp-btn {
    display: block;
    min-width: 180px;
    padding: 12px 14px;
    text-align: center;
    border-radius: 8px;
  }
}

/* Slightly larger phones / phablets */
@media (max-width: 600px) {
  header nav a {
    font-size: 13px;
    padding: 8px 10px;
  }
  .top-buttons-fixed a,
  .call-btn, .whatsapp-btn {
    min-width: 160px;
    padding: 10px 12px;
  }
}