/* ============ Footer ============ */
footer {
  border-top: 1px solid var(--line);
  padding: 52px 0 32px; /* [S2] 64/40 → 52/32px */
  position: relative;
  z-index: 1;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px; /* [S2] 44 → 36px */
}
.foot-brand p {
  color: var(--muted);
  font-size: 14px;
  max-width: 280px;
  margin: 16px 0 20px;
}
/* [F11] 회사 열을 지운 자리(3번째 열)에 서비스 메뉴 — 데스크톱 4열일 때만, 좁은 화면은 순서대로 */
.foot-col-service {
  grid-column: 3;
}
.foot-col h5 {
  font-size: 13px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.foot-col a {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 11px;
  transition: color 0.18s;
}
.foot-col a:hover {
  color: var(--accent);
}
.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 13px;
}
.foot-social {
  display: flex;
  gap: 12px;
}
.foot-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--muted);
  transition: 0.18s;
}
.foot-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
}