/* ========================================
   Footer - 原神介绍网站
   ======================================== */

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-glass-border);
  background: rgba(10, 14, 26, 0.6);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding: 60px 0 40px;
}

/* Brand Column */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.footer-logo svg {
  width: 32px;
  height: 32px;
}

.footer-logo-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 320px;
}

/* Link Columns */
.footer-links h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--color-accent-gold);
  transform: translateX(4px);
}

.footer-links a svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  transition: var(--transition-fast);
}

.footer-links a:hover svg {
  opacity: 1;
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid var(--color-glass-border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copyright {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-copyright a {
  color: var(--color-accent-gold);
  text-decoration: none;
}

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

.footer-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}