/**
 * footer.php — .site-footer 及子元素样式
 * 变量与页面 inline CSS 的 :root 一致；未加载页面包时使用 fallback。
 */

.site-footer {
  background: var(--color-text, #1a1a2e);
  padding: 56px 0 0;
  color: rgba(255, 255, 255, 0.5);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.footer__brand {
  max-width: 260px;
  text-align: left;
}

.footer__brand-name {
  font-family: var(--font-display, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);
  font-size: var(--text-xl, 22px);
  font-weight: 700;
  color: var(--color-white, #ffffff);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.footer__brand-logo {
  display: block;
  width: auto;
  height: clamp(30px, 4vw, 42px);
  max-width: 100%;
  object-fit: contain;
}

.footer__brand p {
  font-size: var(--text-sm, 13px);
  line-height: 1.65;
}

.footer__col-title {
  font-size: var(--text-xs, 11px);
  font-weight: 700;
  color: var(--color-white, #ffffff);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.footer__links a {
  display: block;
  font-size: var(--text-sm, 13px);
  color: rgba(255, 255, 255, 0.4);
  padding: 3px 0;
  transition: color 0.2s;
}

.footer__links a:hover {
  color: var(--color-accent, #b48a3c);
}

.footer__contact-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm, 13px);
  margin-bottom: 10px;
}

.footer__contact-row .icon {
  color: var(--color-accent, #b48a3c);
}

.footer__social {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.footer__social a:hover {
  color: var(--color-white, #ffffff);
  border-color: var(--color-accent, #b48a3c);
  background: rgba(180, 138, 60, 0.1);
}

.footer__social svg {
  width: 18px;
  height: 18px;
}

.footer__bottom {
  margin-top: 40px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: var(--text-xs, 11px);
  color: rgba(255, 255, 255, 0.25);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}