.aiu-site-footer {
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(18, 26, 18, 0.5);
  padding: 48px 16px;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}

.aiu-site-footer-inner {
  max-width: 80rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .aiu-site-footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.aiu-site-footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .aiu-site-footer-brand {
    align-items: flex-start;
    text-align: left;
  }
}

.aiu-site-footer-logo {
  width: 128px;
  height: auto;
  opacity: 0.8;
  margin-bottom: 16px;
  display: block;
}

.aiu-site-footer-copy {
  margin: 0;
  color: var(--aurora-text-dim, #668080);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

.aiu-site-footer-credit {
  margin: 4px 0 0;
  color: var(--aurora-text-dim, #668080);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  opacity: 0.7;
}

.aiu-site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  justify-content: center;
}

@media (min-width: 768px) {
  .aiu-site-footer-nav {
    justify-content: flex-end;
    margin-top: 0;
  }
}

.aiu-site-footer-nav a {
  color: var(--aurora-text-dim, #668080);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}

.aiu-site-footer-nav a:hover {
  color: var(--aiu-cyan, #00e5ff);
}