/**
 * footer.css — Figma 742:4651 (mo) / 742:4652 (pc)
 */

.site-footer--impact {
  --footer-bg: #005eb8;
  --footer-text: #fff;
  --footer-muted: rgba(255, 255, 255, 0.5);
  --footer-pad-x: 1rem;
  --footer-pad-y: 3rem;
  --footer-gap-main: 1.5rem;
  --footer-gap-legal: 1.5rem;
  padding: var(--footer-pad-y) var(--footer-pad-x);
  border-top: none;
  background: var(--footer-bg);
  color: var(--footer-text);
}

.site-footer--impact .site-footer__inner {
  max-width: 1920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--footer-gap-legal);
}

.site-footer--impact .site-footer__main {
  display: flex;
  flex-direction: column;
  gap: var(--footer-gap-main);
}

/* ----- 브랜드: 모바일 중앙 / 데스크톱 가로 ----- */
.site-footer--impact .site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.site-footer--impact .site-footer__logo {
  display: block;
  width: min(12.5rem, 58vw);
  height: auto;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
}

.site-footer--impact .site-footer__tagline {
  margin: 0;
  max-width: 22rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.0417em;
  color: var(--footer-text);
  white-space: pre-line;
}

/* ----- 참여 학교 ----- */
.site-footer--impact .site-footer__schools {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.site-footer--impact .site-footer__schools-title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.0417em;
  color: var(--footer-text);
}

.site-footer--impact .site-footer__schools-list {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.0417em;
  color: var(--footer-muted);
  word-break: keep-all;
}

/* ----- 구분선 (모바일) ----- */
.site-footer--impact .site-footer__divider {
  display: block;
  width: 100%;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--footer-text);
}

/* ----- 하단 법적 정보 ----- */
.site-footer--impact .site-footer__legal {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.5rem;
  padding-top: 0;
  border-top: none;
}

.site-footer--impact .site-footer__credits {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-footer--impact .site-footer__credits p {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.0417em;
  color: var(--footer-muted);
}

.site-footer--impact .site-footer__credits-divider {
  height: 0;
  margin: 0.5rem 0;
}

.site-footer--impact .site-footer__font-note,
.site-footer--impact .site-footer__font-desc,
.site-footer--impact .site-footer__a11y {
  margin: 0;
}

.site-footer--impact .site-footer__copy {
  margin: 0;
  padding-top: 0;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.0417em;
  text-align: center;
  color: var(--footer-muted);
}

/* ----- 데스크톱 (Figma pc 1920) ----- */
@media (min-width: 768px) {
  .site-footer--impact {
    --footer-pad-x: 5rem;
    --footer-pad-y: 5rem;
    --footer-gap-main: 2.5rem;
    --footer-gap-legal: 2.5rem;
  }

  .site-footer--impact .site-footer__divider {
    display: none;
  }

  .site-footer--impact .site-footer__brand {
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 1.25rem;
    text-align: left;
  }

  .site-footer--impact .site-footer__logo {
    width: 12.75rem;
    margin-top: 0.15rem;
  }

  .site-footer--impact .site-footer__tagline {
    max-width: none;
    flex: 1 1 18rem;
    font-size: 0.875rem;
    letter-spacing: -0.0357em;
  }

  .site-footer--impact .site-footer__schools {
    gap: 0;
  }

  .site-footer--impact .site-footer__schools-title {
    font-size: 0.875rem;
    letter-spacing: -0.0357em;
  }

  .site-footer--impact .site-footer__schools-list {
    font-size: 0.875rem;
    letter-spacing: -0.0357em;
  }

  .site-footer--impact .site-footer__credits p {
    font-size: 0.875rem;
    letter-spacing: -0.0357em;
  }

  .site-footer--impact .site-footer__legal {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: clamp(1.5rem, 4vw, 3rem);
    padding-top: 2.5rem;
    border-top: 1px solid var(--footer-text);
  }

  .site-footer--impact .site-footer__credits {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 52rem;
  }

  .site-footer--impact .site-footer__copy {
    flex: 0 0 auto;
    padding-top: 0;
    font-size: 0.875rem;
    letter-spacing: -0.0357em;
    text-align: center;
    align-self: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-footer--impact .site-footer__inner {
    transition: none;
  }
}