/**
 * 전역 내비게이션(GNB) 스타일
 * gnb.js가 삽입하는 헤더의 모양을 정의한다. 모든 페이지가 이 파일 하나를 공통으로 쓴다.
 */
.gnb {
  position: sticky;
  top: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 50px;
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}
.gnb-brand {
  font-weight: 800;
  font-size: 16px;
  color: #333;
  text-decoration: none;
  white-space: nowrap;
}
.gnb-menu {
  display: flex;
  gap: 6px;
  margin-left: auto;
}
.gnb .menu-group {
  position: relative;
}
.gnb .menu-group summary {
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: #555;
  padding: 6px 10px;
  border-radius: 8px;
  user-select: none;
}
.gnb .menu-group summary::-webkit-details-marker { display: none; }
.gnb .menu-group summary::after {
  content: ' ▾';
  font-size: 11px;
  color: #aaa;
}
.gnb .menu-group summary:hover {
  background: #f4f5f7;
  color: #222;
}
.gnb .menu-group[open] summary {
  background: #eef0ff;
  color: #6c7cff;
}
.gnb .menu-group .dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  padding: 6px;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  z-index: 510;
}
.gnb .menu-group .dropdown a {
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: #444;
  text-decoration: none;
  white-space: nowrap;
}
.gnb .menu-group .dropdown a:hover {
  background: #f4f5f7;
  color: #6c7cff;
}
.gnb-lang {
  font-size: 12px;
  font-weight: 700;
  color: #888;
  text-decoration: none;
  border: 1.5px solid #ccc;
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}
.gnb-lang:hover {
  border-color: #6c7cff;
  color: #6c7cff;
}

/* 공통 저작권 푸터 */
.site-copyright {
  text-align: center;
  padding: 20px 20px 24px;
  font-size: 12px;
  color: #bbb;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}