#site-footer {
  background-color: #1957c4;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding: 2rem 1rem 1rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-section h4 {
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.4rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s;
}

.footer-section ul li a:hover {
  color: #ffffff;
}

.footer-address p {
  margin-bottom: 0.3rem;
  line-height: 1.6;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 1.5rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-back-link {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  transition: color 0.2s;
}

.footer-back-link:hover {
  color: #ffffff;
}

.footer-copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
}

#scroll-top-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 42px;
  height: 42px;
  background-color: var(--color-accent);
  border: none;
  color: #fff;
  border-radius: 50%;
  font-size: 1.2rem;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

#scroll-top-btn:hover {
  background-color: #1557b0;
}

#scroll-top-btn.visible {
  display: flex;
}

@media (max-width: 767px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}