/* ============================================================
   YiguProto Footer Stylesheet
   Primary color : #ff6601
   Font          : Arial
   Layout        : Row 1 = 3 equal columns; Row 2 = 2 columns
   Responsive    : stacks vertically on mobile / tablet
   ============================================================ */

.site-footer {
  background: var(--yigu-white, #ffffff);
  border-top: 1px solid var(--yigu-border, #e6e8eb);
  font-family: var(--yigu-font, Arial, Helvetica, sans-serif);
  color: var(--yigu-dark, #1f1f1f);
  -webkit-font-smoothing: antialiased;
}

.site-footer__inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 56px 24px 0;
}

/* ---------- Row 1 : three equal columns ---------- */
.site-footer__row--main {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 48px;
}

/* ---------- Column base ---------- */
.site-footer__col {
  min-width: 0;
}

/* ---------- Brand & contact ---------- */
.site-footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-footer__mark {
  flex-shrink: 0;
}

.site-footer__wordmark {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.4px;
  color: var(--yigu-black, #111111);
  line-height: 1;
}

.site-footer__wordmark span {
  color: var(--yigu-primary, #ff6601);
}

.site-footer__contact {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.site-footer__contact-item {
  margin: 0;
  padding: 0;
}

.site-footer__contact-link,
.site-footer__contact-text {
  display: inline-flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--yigu-gray, #5f6368);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-footer__contact-link:hover,
.site-footer__contact-link:focus-visible {
  color: var(--yigu-primary, #ff6601);
}

.site-footer__contact-icon {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--yigu-primary, #ff6601);
}

/* ---------- Link columns ---------- */
.site-footer__heading {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--yigu-dark, #1f1f1f);
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--yigu-primary, #ff6601);
  display: inline-block;
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.site-footer__list a {
  font-size: 14px;
  line-height: 1.5;
  color: var(--yigu-gray, #5f6368);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.site-footer__list a:hover,
.site-footer__list a:focus-visible {
  color: var(--yigu-primary, #ff6601);
  padding-left: 3px;
}

/* ---------- Row 2 : copyright & legal ---------- */
.site-footer__row--bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  border-top: 1px solid var(--yigu-border, #e6e8eb);
  padding: 22px 0 26px;
}

.site-footer__copyright {
  margin: 0;
  text-align: center;
  font-size: 13px;
  color: var(--yigu-gray, #5f6368);
}

.site-footer__legal {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 28px;
}

.site-footer__legal a {
  font-size: 13px;
  color: var(--yigu-gray, #5f6368);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-footer__legal a:hover,
.site-footer__legal a:focus-visible {
  color: var(--yigu-primary, #ff6601);
}

/* ---------- Accessibility ---------- */
.site-footer a:focus-visible {
  outline: 3px solid rgba(255, 102, 1, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============================================================
   Responsive : stack vertically on mobile / tablet
   ============================================================ */
@media (max-width: 1080px) {
  .site-footer__inner {
    padding: 40px 20px 0;
  }

  .site-footer__row--main {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-bottom: 34px;
  }

  .site-footer__row--bottom {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px 0 24px;
  }
}

@media (max-width: 480px) {
  .site-footer__inner {
    padding: 32px 16px 0;
  }

  .site-footer__row--main {
    gap: 28px;
  }
}