.rdn-site-footer {
  background: #212529;
  color: #fff;
}

.rdn-footer-intro {
  padding: 56px 0 34px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.rdn-footer-intro h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 35px);
  line-height: 1.2;
}

.rdn-footer-intro p {
  margin: 20px 0 0;
  color: #fbb040;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
}

.rdn-footer-grid {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(250px, 1.15fr) minmax(280px, 1.25fr) minmax(160px, 0.7fr);
  gap: 38px;
  align-items: start;
  padding: 42px 0;
}

.rdn-footer-grid h3 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 18px;
}

.rdn-footer-about p,
.rdn-footer-contact,
.rdn-footer-links {
  color: #d5d8dc;
  font-size: 13px;
  line-height: 1.8;
}

.rdn-footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.rdn-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease;
}

.rdn-footer-social a:hover {
  background: #03a9f4;
  border-color: #03a9f4;
}

.rdn-footer-contact ul,
.rdn-footer-links ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rdn-footer-contact li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.rdn-site-footer a {
  color: inherit;
  text-decoration: none;
}

.rdn-site-footer a:hover {
  color: #03a9f4;
}

.rdn-footer-map iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 8px;
  background: #30353a;
}

.rdn-footer-map > a {
  display: block;
  margin-top: 8px;
  color: #d5d8dc;
  font-size: 13px;
  text-align: right;
}

.rdn-footer-copyright {
  padding: 30px 0 38px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #999;
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
}

@media (max-width: 1100px) {
  .rdn-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .rdn-footer-intro {
    padding-top: 42px;
  }

  .rdn-footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 34px 0;
  }

  .rdn-footer-map iframe {
    aspect-ratio: 4 / 3;
  }

  .rdn-footer-copyright span {
    display: none;
  }
}