@charset "utf-8";

/* =========================================================
   HEADER (MLK파트너스)
   - 고정 헤더 · 흰 배경 / 모바일 퍼스트
   - PC(1024px~): 로고 | 주 메뉴(2뎁스 드롭다운) | 전체메뉴 버튼
   - 모바일(~1023px): 로고 | 햄버거 → 오른쪽 슬라이드 메뉴
   - 색 · 글꼴 · 높이 변수는 reset.css :root 사용
   ※ common.js 가 쓰는 id/클래스(#header, #gnb, .gnb-list, .modal-open,
     .nav-open-btn, #gnbM, #navigation)는 유지
========================================================= */

/* 헤더 등장 모션 전 숨김 (GSAP 이 제어, JS 실패 시 바로 노출) */
html.js #header {
  opacity: 0;
  transform: translateY(-10rem);
}

/* 고정 헤더만큼 본문 내리기 (모든 페이지 공통) */
body {
  padding-top: var(--bs-header-h);
}

/* 건너뛰기 링크: 포커스 시에만 노출 */
.skip-link {
  position: fixed;
  top: -10rem;
  left: 1.6rem;
  z-index: 100000;
  padding: 1.2rem 2rem;
  border-radius: 0.6rem;
  background: var(--bs-navy);
  color: var(--bs-white);
  font-size: 1.6rem;
}
.skip-link:focus {
  top: 1.6rem;
}

/* 키보드 포커스 표시 (WCAG 2.4.7) */
.site-header a:focus-visible,
.site-header button:focus-visible {
  outline: 2px solid var(--bs-primary);
  outline-offset: 3px;
}

/* ---------- 헤더 틀 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  width: 100%;
}
.site-header__wrap {
  position: relative;
  z-index: 2;
  background: var(--bs-white);
  transition: box-shadow 0.3s;
}
/* 스크롤 시 (common.js 가 .fixed 추가) */
.site-header.fixed .site-header__wrap {
  box-shadow: 0 0.4rem 2rem rgba(12, 22, 34, 0.08);
}
.site-header__inner {
  display: flex;
  align-items: center;
  height: var(--bs-header-h);
  padding: 0 1.6rem;
}

/* ---------- 로고 ---------- */
.site-header__logo {
  flex-shrink: 0;
  margin: 0;
  line-height: 0;
}
.site-header__logo-link {
  display: block;
}
.site-header__logo-link img {
  display: block;
  width: auto;
  height: 5rem;
}

/* ---------- PC 주 메뉴 ---------- */
.site-header__gnb {
  display: none;
  margin-left: auto;
}
.site-header__gnb .area {
  max-width: none;
}

.gnb-list {
  display: flex;
  align-items: center;
  gap: 3.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.gnb-list > li {
  position: relative;
}
.gnb-list > li > a {
  display: block;
  padding: 1rem 0;
  color: var(--bs-gnb);
  font-size: 1.8rem;
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: -0.02em;
  white-space: nowrap;
  transition: color 0.2s;
}
.gnb-list > li > a:hover,
.gnb-list > li.on > a,
.gnb-list > li.current-menu-item > a,
.gnb-list > li.current-menu-ancestor > a,
.gnb-list > li.current-page-ancestor > a {
  color: var(--bs-primary);
}

/* 2뎁스 드롭다운 (common.js: li.on / .sub-menu.open, CSS: hover · focus-within) */
.gnb-list .sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 18rem;
  margin: 0;
  padding: 1.6rem 0;
  list-style: none;
  border-radius: 1.2rem;
  background: var(--bs-white);
  box-shadow: 0 1.2rem 3rem rgba(12, 22, 34, 0.12);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 1rem);
  transition:
    opacity 0.25s,
    transform 0.25s,
    visibility 0.25s;
}
.gnb-list .sub-menu a {
  display: block;
  padding: 0.8rem 2rem;
  color: var(--bs-gnb);
  font-size: 1.6rem;
  white-space: nowrap;
  transition: color 0.2s;
}
.gnb-list .sub-menu a:hover,
.gnb-list .sub-menu a:focus-visible,
.gnb-list .sub-menu a[aria-current="page"] {
  color: var(--bs-primary);
}
.gnb-list > li:hover > .sub-menu,
.gnb-list > li:focus-within > .sub-menu,
.gnb-list .sub-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* ---------- 전체 메뉴 버튼 (PC) ---------- */
.site-header__util {
  display: none;
}
.site-header__sitemap-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  width: 4.4rem;
  height: 4.4rem; /* 터치 영역 확보 (WCAG 2.5.8) */
  padding: 0 0.9rem;
}
.site-header__bar {
  display: block;
  width: 2.6rem;
  height: 2px;
  background: var(--bs-gnb);
  transition: background-color 0.2s;
}
.site-header__sitemap-btn:hover .site-header__bar,
.site-header__sitemap-btn:focus-visible .site-header__bar {
  background: var(--bs-primary);
}

/* ---------- 모바일 메뉴 버튼 ---------- */
.site-header__menu-btn {
  position: relative;
  display: block;
  width: 4.4rem;
  height: 4.4rem;
  margin-left: auto;
  margin-right: -0.9rem;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}
.site-header__menu-btn .line {
  position: absolute;
  left: 0.9rem;
  width: 2.6rem;
  height: 2px;
  background: var(--bs-gnb);
  transition:
    transform 0.3s var(--bs-ease),
    opacity 0.2s;
}
.site-header__menu-btn .line1 {
  top: 1.4rem;
}
.site-header__menu-btn .line2 {
  top: 2.1rem;
}
.site-header__menu-btn .line3 {
  top: 2.8rem;
}
/* 열림 상태 → X */
.site-header__menu-btn.active .line1 {
  transform: translateY(0.7rem) rotate(45deg);
}
.site-header__menu-btn.active .line2 {
  opacity: 0;
}
.site-header__menu-btn.active .line3 {
  transform: translateY(-0.7rem) rotate(-45deg);
}

/* ---------- 모바일 메뉴 ---------- */
.gnb-overlay-bg-m {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.5);
}
.site-header__gnb-m {
  position: fixed;
  top: var(--bs-header-h);
  right: 0;
  bottom: 0;
  z-index: 2;
  width: min(36rem, 86%);
  overflow-y: auto;
  background: var(--bs-white);
  visibility: hidden; /* 닫힘 상태에서 포커스 이동 차단 */
  transform: translateX(100%);
  transition:
    transform 0.4s var(--bs-ease),
    visibility 0.4s;
}
.site-header__gnb-m.open {
  visibility: visible;
  transform: translateX(0);
}

.mobile-navigation {
  margin: 0;
  padding: 1rem 2.4rem 4rem;
  list-style: none;
}
.mobile-navigation > li {
  border-bottom: 1px solid #e6e9ef;
}
.mobile-navigation > li > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.8rem 0;
  color: var(--bs-text);
  font-size: 1.8rem;
  font-weight: 500;
}
.mobile-navigation > li.active > a,
.mobile-navigation > li.current-menu-ancestor > a {
  color: var(--bs-primary);
}
.mobile-navigation .gnb-icon i {
  font-size: 1.4rem;
}
.mobile-navigation .sub-menu {
  display: none; /* common.js 가 slideDown 으로 열어 줌 */
  margin: 0 0 1.6rem;
  padding: 1.2rem 1.6rem;
  list-style: none;
  border-radius: 0.8rem;
  background: #f4f6fa;
}
.mobile-navigation .sub-menu a {
  display: block;
  padding: 0.8rem 0;
  color: #555;
  font-size: 1.6rem;
}
.mobile-navigation .sub-menu a[aria-current="page"] {
  color: var(--bs-primary);
  font-weight: 500;
}

/* =========================================================
   반응형 (모바일 퍼스트)
========================================================= */
@media all and (min-width: 768px) {
  .site-header__inner {
    padding: 0 3rem;
  }
}

@media all and (min-width: 1024px) {
  .site-header__inner {
    padding: 0 2.4rem;
  }
  .site-header__logo-link img {
    height: 8.5rem;
  }
  .site-header__gnb {
    display: block;
  }
  .site-header__util {
    display: block;
    margin-left: 4rem;
  }
  .site-header__menu-btn,
  .site-header__gnb-m {
    display: none;
  }
}

@media all and (min-width: 1320px) {
  .site-header__inner {
    padding: 0 4rem;
  }
  .gnb-list {
    gap: 8rem;
  }
  .gnb-list > li > a {
    font-size: 2.2rem;
  }
  .site-header__util {
    margin-left: 7.3rem;
  }
}