/* ACADEMIA common — tokens / base / floating-card header + mega / overlay / footer  v1.0.1 */
@font-face{font-family:'Pretendard Variable';src:url('../fonts/PretendardVariable.woff2') format('woff2-variations');font-weight:45 920;font-style:normal;font-display:swap}
:root{--aca-primary:#8a1601;--aca-ink:#212121;--aca-ink-soft:#555;--aca-line:#e5e5e5;--aca-bg-soft:#f7f7f5;
--aca-header-h:110px;--aca-mega-h:548px;--aca-mega-col-w:320px;
--aca-font:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Malgun Gothic','Apple SD Gothic Neo',sans-serif;
--aca-ease:cubic-bezier(.4,0,.2,1);--aca-dur:.3s;--aca-bp-nav:1024px;
--aca-nav1-size:16px;--aca-nav1-track:0px;--aca-nav1-pad:22px;--aca-nav1-weight:500;
--aca-nav2-size:17px;--aca-nav2-weight:600;--aca-nav3-size:15px;
--aca-header-bg:#fff;--aca-nav-ink:#212121;--aca-nav-hover:var(--aca-primary);--aca-mega-bg:#fff;
--aca-nav2-bg:#fff;--aca-nav2-ink:#212121;--aca-nav2-border:#ddd;--aca-nav2-hover-bg:#1c1c1e;--aca-nav2-hover-ink:#fff;
--aca-nav3-ink:#444;--aca-nav3-hover:#111;--aca-nav3-bullet:#c4c4c4;
--aca-card-gap:16px;--aca-card-radius:20px;
--aca-inner-w:1400px}
/* base */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--aca-font);color:var(--aca-ink);font-size:16px;line-height:1.6;word-break:keep-all;background:#f2f2f0}
img{max-width:100%;height:auto;border:0}
a{color:inherit}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit}
.aca-inner{max-width:var(--aca-inner-w);margin:0 auto;padding:0 24px}
/* g5 utilities (코어 마크업 호환) */
.sound_only{position:absolute;top:0;left:0;width:1px;height:1px;font-size:0;line-height:0;border:0;overflow:hidden;clip:rect(0,0,0,0)}
#aca-skip a{position:absolute;top:-999px;left:0;z-index:200;padding:10px 18px;background:var(--aca-primary);color:#fff;text-decoration:none}
#aca-skip a:focus{top:0}
hr{display:none}
.btn{display:inline-block;padding:8px 16px;border:1px solid #d0d0d0;border-radius:4px;background:#fff;color:var(--aca-ink);font-size:14px;text-decoration:none;line-height:1.4}
.btn_submit{background:var(--aca-primary);border-color:var(--aca-primary);color:#fff}
.btn_admin{background:#3a3a3a;border-color:#3a3a3a;color:#fff}
.frm_input{padding:8px 10px;border:1px solid #d0d0d0;border-radius:4px;background:#fff}
/* ===== header : floating rounded card (레퍼런스 구조) ===== */
#top-layout{position:fixed;top:0;left:0;right:0;z-index:21;padding:var(--aca-card-gap) 20px 0;pointer-events:none;color:var(--aca-nav-ink);transition:padding var(--aca-dur) var(--aca-ease)}
.aca-header-card{position:relative;height:var(--aca-header-h);background:var(--aca-header-bg);border-radius:var(--aca-card-radius);box-shadow:0 6px 26px rgba(0,0,0,.07);overflow:hidden;pointer-events:auto;transition:height var(--aca-dur) var(--aca-ease),box-shadow var(--aca-dur) var(--aca-ease),border-radius var(--aca-dur) var(--aca-ease)}
#top-layout.on .aca-header-card{height:calc(var(--aca-header-h) + var(--aca-mega-h))}
/* 스크롤 시: 상단 여백·라운드 제거 → 풀와이드 플랫 바 (스크롤 복귀 시 원상) */
#top-layout.scrollFx{padding:0}
#top-layout.scrollFx .aca-header-card{border-radius:0;box-shadow:0 12px 36px rgba(0,0,0,.14)}
#top-layout .aca-navi{position:relative;z-index:2;display:flex;align-items:center;gap:32px;height:var(--aca-header-h);padding:0 44px}
/* 개방 시 구분선: border는 행 내부 높이를 1px 줄여 로고·메뉴·버튼이 미세하게 움직임 → box-shadow로 대체(레이아웃 불변) */
#top-layout.on .aca-navi{box-shadow:inset 0 -1px 0 var(--aca-line)}
/* ===== 서브페이지: 투명 오버레이 헤더 (배너 위, 시안 v1.1.0) ===== */
#top-layout.sub-hd{padding:0}
#top-layout.sub-hd .aca-header-card{border-radius:0;background:transparent;box-shadow:none}
#top-layout.sub-hd:not(.on):not(.scrollFx){color:#fff}
#top-layout.sub-hd.on .aca-header-card,#top-layout.sub-hd.scrollFx .aca-header-card{background:var(--aca-header-bg);box-shadow:0 12px 36px rgba(0,0,0,.14)}
/* 서브 투명 상태 = 밝은 로고, hover(.on)/스크롤 = 어두운 로고 (요구 6·7) */
#top-layout.sub-hd:not(.on):not(.scrollFx) .aca-logo-light{display:inline}
#top-layout.sub-hd:not(.on):not(.scrollFx) .aca-logo-dark{display:none}
#top-layout.sub-hd:not(.on):not(.scrollFx) .aca-logo-text{color:#fff}
#top-layout.sub-hd:not(.on):not(.scrollFx) .aca-d1-a:hover,#top-layout.sub-hd:not(.on):not(.scrollFx) .aca-d1-a:focus{color:#fff;opacity:.75}
/* logo */
#aca-logo{margin:0;font-size:0}
#aca-logo a{display:inline-flex;align-items:center;text-decoration:none}
#aca-logo img{max-height:calc(var(--aca-header-h) - 52px);width:auto}
#aca-logo .aca-logo-light{display:none}
.aca-logo-text{font-size:24px;font-weight:800;letter-spacing:-.02em;color:var(--aca-nav-ink)}
/* util : ENG 블랙 필 버튼 */
.aca-util{display:flex;align-items:center;gap:14px;margin-left:auto}
.aca-lang{display:inline-flex;align-items:center;gap:7px;background:#111;color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;font-weight:700;text-decoration:none;line-height:1}
.aca-lang:hover,.aca-lang:focus{background:var(--aca-primary)}
.aca-member{display:flex;align-items:center;gap:4px}
.aca-member a{display:inline-block;padding:6px 9px;color:inherit;opacity:.78;font-size:13px;font-weight:600;line-height:1;text-decoration:none;transition:opacity .2s,color .2s}
.aca-member a:hover,.aca-member a:focus{opacity:1;color:var(--aca-primary)}
.aca-member a+a{position:relative}
.aca-member a+a::before{content:'';position:absolute;left:-2px;top:50%;transform:translateY(-50%);width:1px;height:11px;background:currentColor;opacity:.35}
/* 서브 투명 헤더에서는 흰 글자 유지 (호버 시 불투명도만 변경) */
#top-layout.sub-hd:not(.on):not(.scrollFx) .aca-member a:hover,
#top-layout.sub-hd:not(.on):not(.scrollFx) .aca-member a:focus{color:#fff;opacity:1}
.aca-burger{display:none;position:relative;width:44px;height:44px;border:0;background:none;color:inherit}
.aca-burger-bar,.aca-burger-bar::before,.aca-burger-bar::after{position:absolute;left:10px;width:24px;height:2px;background:currentColor;content:'';transition:transform .2s}
.aca-burger-bar{top:21px}
.aca-burger-bar::before{top:-8px}
.aca-burger-bar::after{top:8px}
/* ===== GNB ===== */
.aca-gnb{margin-left:auto}
.aca-depth1{display:flex;gap:8px;margin:0;padding:0;list-style:none}
.aca-d1-a{display:flex;align-items:center;height:var(--aca-header-h);padding:0 var(--aca-nav1-pad);font-size:var(--aca-nav1-size);font-weight:var(--aca-nav1-weight);letter-spacing:var(--aca-nav1-track);text-decoration:none;position:relative;color:inherit}
.aca-d1-a:hover,.aca-d1-a:focus{color:var(--aca-nav-hover)}
/* 활성/호버 1차 하단 언더라인 (레퍼런스: 헤더 행 하단에 밀착) */
.aca-d1-a::after{content:'';position:absolute;left:var(--aca-nav1-pad);right:var(--aca-nav1-pad);bottom:0;height:2px;background:currentColor;transform:scaleX(0);transition:transform .22s var(--aca-ease)}
.aca-d1-li.aca-current>.aca-d1-a::after,.aca-d1-li:hover>.aca-d1-a::after,.aca-d1-li:focus-within>.aca-d1-a::after{transform:scaleX(1)}
/* ===== mega panel (카드 내부 확장) ===== */
.aca-mega-item{position:absolute;left:0;right:0;top:var(--aca-header-h);z-index:1;height:var(--aca-mega-h);overflow:hidden;opacity:0;visibility:hidden;transition:opacity .2s var(--aca-ease),visibility .2s;pointer-events:none;
display:grid;grid-template-columns:calc(var(--aca-mega-indent,480px) - 120px) minmax(0,1fr);gap:56px;padding:56px 64px 64px;color:var(--aca-ink)}
/* 2차 그리드 시작점 = 첫 1차 메뉴 텍스트 시작 x (--aca-mega-indent는 JS 실측, 120 = 패널 padding 64 + gap 56) */
.aca-mega-title{min-width:0}
#top-layout.on .aca-d1-li:hover .aca-mega-item,#top-layout.on .aca-d1-li:focus-within .aca-mega-item{opacity:1;visibility:visible;pointer-events:auto}
/* 클릭 후 포커스가 남은 항목의 패널·언더라인이 hover 항목과 겹치는 문제 방지:
   GNB hover 중에는 hover된 항목의 패널만 표시 (키보드 단독 사용 시에는 영향 없음) */
#top-layout.on .aca-gnb:hover .aca-d1-li:not(:hover) .aca-mega-item{opacity:0;visibility:hidden;pointer-events:none}
.aca-gnb:hover .aca-d1-li:not(:hover):not(.aca-current):focus-within>.aca-d1-a::after{transform:scaleX(0)}
.aca-mega-title strong{display:block;font-size:42px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.aca-mega-title em{display:block;margin-top:12px;font-style:normal;font-size:17px;color:var(--aca-ink-soft)}
/* 2차 = 박스형 카드(슈브론) 3열 그리드, 3차 = 박스 아래 불릿 리스트 */
.aca-depth2{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 24px;align-items:start;margin:0;padding:0;list-style:none}
.aca-depth2>li{min-width:0}
.aca-depth2>li>a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 20px;border:1px solid var(--aca-nav2-border);border-radius:8px;background:var(--aca-nav2-bg);font-size:var(--aca-nav2-size);font-weight:var(--aca-nav2-weight);text-decoration:none;color:var(--aca-nav2-ink);transition:background-color .2s,border-color .2s,color .2s}
.aca-depth2>li>a::after{content:'';flex:none;width:8px;height:8px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;opacity:.55;transform:rotate(45deg) translateY(-2px);transition:opacity .2s}
/* 2차 박스 호버: 배경·글자·슈브론 반전 (레퍼런스)
   li 기준 hover — 하위 3차 리스트로 마우스가 내려가도 2차 박스 강조 유지 */
.aca-depth2>li:hover>a,.aca-depth2>li:focus-within>a,.aca-depth2>li.aca-current>a{background:var(--aca-nav2-hover-bg);border-color:var(--aca-nav2-hover-bg);color:var(--aca-nav2-hover-ink)}
.aca-depth2>li:hover>a::after,.aca-depth2>li:focus-within>a::after,.aca-depth2>li.aca-current>a::after{opacity:1}
.aca-depth3{margin:14px 0 0;padding:0 6px;list-style:none}
.aca-depth3 li{position:relative;padding:5px 0 5px 16px}
.aca-depth3 li::before{content:'';position:absolute;left:3px;top:50%;transform:translateY(-50%);width:4px;height:4px;border-radius:50%;background:var(--aca-nav3-bullet);transition:background-color .15s}
.aca-depth3 a{font-size:var(--aca-nav3-size);color:var(--aca-nav3-ink);text-decoration:none;transition:color .15s}
/* 3차 호버: 불릿·글자 진하게 (레퍼런스) */
.aca-depth3 li:hover::before,.aca-depth3 li:focus-within::before{background:var(--aca-nav3-hover)}
.aca-depth3 a:hover,.aca-depth3 a:focus{color:var(--aca-nav3-hover);font-weight:600}
/* ===== mobile overlay ===== */
.aca-allmenu{position:fixed;inset:0;z-index:120;display:flex;flex-direction:column;background:#fff;transform:translateX(8%);opacity:0;transition:transform .28s var(--aca-ease),opacity .28s var(--aca-ease)}
.aca-allmenu.is-open{transform:none;opacity:1}
.aca-allmenu[hidden]{display:none}
.aca-am-head{display:flex;align-items:center;gap:20px;padding:18px 20px;border-bottom:1px solid var(--aca-line)}
.aca-am-home{font-weight:800;text-decoration:none;letter-spacing:.04em}
.aca-am-links{display:flex;gap:14px;margin-left:auto;font-size:14px}
.aca-am-links a{color:var(--aca-ink-soft);text-decoration:none}
.aca-am-close{border:0;background:none;padding:8px;color:var(--aca-ink)}
.aca-am-body{flex:1;overflow-y:auto;padding:12px 20px 40px}
.aca-am-d1{margin:0;padding:0;list-style:none}
.aca-am-d1>li{border-bottom:1px solid var(--aca-line)}
.aca-am-toggle,.aca-am-link{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 4px;border:0;background:none;font-size:18px;font-weight:600;text-align:left;text-decoration:none;color:var(--aca-ink)}
.aca-am-toggle[aria-expanded="true"] .aca-ico-chev{transform:rotate(180deg)}
.aca-ico-chev{transition:transform .2s}
.aca-am-d2{margin:0;padding:4px 8px 16px;list-style:none;background:var(--aca-bg-soft);border-radius:8px}
.aca-am-d2:not([hidden]){animation:aca-am-in .22s var(--aca-ease)}
@keyframes aca-am-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.aca-am-d2>li>a{display:block;padding:10px 12px;font-size:16px;font-weight:500;text-decoration:none;color:var(--aca-ink)}
/* 현재 페이지 메뉴 강조 */
.aca-am-toggle.aca-current,.aca-am-link.aca-current{color:var(--aca-primary)}
.aca-am-d2>li.aca-current>a{color:var(--aca-primary);font-weight:700}
.aca-am-d3{margin:0 0 6px;padding:0 0 0 24px;list-style:none}
.aca-am-d3 a{display:block;padding:6px 0;font-size:14px;color:#666;text-decoration:none}
.aca-am-backdrop{position:fixed;inset:0;z-index:110;background:rgba(0,0,0,.4)}
.aca-am-backdrop[hidden]{display:none}
body.aca-lock{overflow:hidden}
/* ===== layout ===== */
/* 본문 배경: 컬럼이 아닌 화면 전체 폭에 적용 (관리자 본문 배경색 설정 반영) */
#aca-wrap{min-height:60vh;background:var(--aca-content-bg,#fff)}
#aca-content{background:var(--aca-content-bg,#fff)}
.aca-main-wrap #aca-content{padding-top:0}
.aca-sub-wrap{padding-top:0}/* 히어로가 투명 헤더 아래로 깔림 (내부 여백은 히어로가 확보) */
.aca-sub-content{background:#fff}
/* ===== footer ===== */
.aca-foot{margin-top:0;background:#1c1c1e;color:#c9c9cd}/* 푸터 위 회색 띠 제거 — 간격은 본문 하단 여백으로 */
.aca-foot-inner{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;gap:8px 40px;align-items:start;max-width:var(--aca-inner-w);margin:0 auto;padding:48px 24px}
.aca-foot-brand{grid-column:1;grid-row:1;display:flex;align-items:center;gap:24px}
/* SNS: 오른쪽 상단 (정책 링크 위) */
.aca-foot-sns{grid-column:2;grid-row:1;justify-self:end}
.aca-foot-info{grid-column:1;grid-row:2}
.aca-foot-util{grid-column:2;grid-row:2;justify-self:end}
.aca-foot-logo{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.01em}
/* SNS 원형 아이콘 (색상 4종은 인라인 CSS 변수로 주입) */
.aca-foot-sns{display:flex;gap:10px;margin:0;padding:0;list-style:none}
.aca-foot-sns a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--sns-bg,#3a3a3e);color:var(--sns-c,#fff);text-decoration:none;transition:background-color .2s,color .2s,transform .2s}
.aca-foot-sns a:hover,.aca-foot-sns a:focus{background:var(--sns-bg-h,var(--aca-primary));color:var(--sns-c-h,#fff);transform:translateY(-2px)}
.aca-foot-sns svg{width:19px;height:19px;display:block}
.aca-foot-sns .aca-sns-mask{display:block;width:19px;height:19px;background:currentColor;-webkit-mask:var(--sns-mask) center/contain no-repeat;mask:var(--sns-mask) center/contain no-repeat}
.aca-foot-info{font-size:14px}
.aca-foot-line{margin:2px 0}
.aca-foot-line span{margin-right:18px}
.aca-foot-line a{color:inherit;text-decoration:none}
.aca-foot-copy{margin:12px 0 0;font-size:13px;color:#8a8a90}
.aca-foot-util{display:flex;gap:16px;align-items:flex-start;font-size:14px}
.aca-foot-util a{color:#c9c9cd;text-decoration:none}
.aca-foot-util a:hover{color:#fff;text-decoration:underline}
/* ===== 정책 모달 (이용약관/개인정보/이메일무단수집금지) ===== */
.aca-foot-util button.aca-policy-btn{border:0;background:none;padding:0;color:#c9c9cd;font-size:14px;cursor:pointer;font-family:inherit}
.aca-foot-util button.aca-policy-btn:hover{color:#fff;text-decoration:underline}
.aca-modal-backdrop{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.55)}
.aca-modal-backdrop[hidden]{display:none}
.aca-modal{position:fixed;left:50%;top:50%;z-index:201;transform:translate(-50%,-50%);width:min(680px,92vw);max-height:80vh;display:flex;flex-direction:column;background:#fff;border-radius:16px;box-shadow:0 40px 90px -30px rgba(0,0,0,.5);overflow:hidden}
.aca-modal[hidden]{display:none}
.aca-modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px;border-bottom:1px solid var(--aca-line)}
.aca-modal-head strong{font-size:19px;font-weight:800}
.aca-modal-close{border:0;background:none;padding:6px;color:var(--aca-ink);cursor:pointer}
.aca-modal-body{padding:22px 26px 30px;overflow-y:auto;font-size:14px;line-height:1.75;color:#444}
.aca-modal-body h4{margin:18px 0 6px;font-size:15px;color:var(--aca-ink)}
.aca-modal-body h4:first-child{margin-top:0}
.aca-modal-body p{margin:0 0 10px}
/* ===== TOP 버튼 (스크롤 시 표시, 클릭 → 상단 이동 후 서서히 사라짐) ===== */
.aca-top-btn{position:fixed;right:28px;bottom:28px;z-index:90;display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border:0;border-radius:50%;background:var(--aca-primary);color:#fff;cursor:pointer;box-shadow:0 10px 26px -10px rgba(0,0,0,.4);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .4s var(--aca-ease),visibility .4s,transform .4s var(--aca-ease)}
.aca-top-btn.is-visible{opacity:1;visibility:visible;transform:none}
.aca-top-btn:hover,.aca-top-btn:focus{background:#1c1c1e}
@media (max-width:1024px){.aca-top-btn{right:16px;bottom:16px;width:44px;height:44px}}
/* ===== 팝업레이어(코어 newwin.inc.php 마크업 대응) ===== */
#hd_pop{position:relative;z-index:150}
#hd_pop h2,#hd_pop .sound_only{position:absolute;top:0;left:0;width:1px;height:1px;font-size:0;line-height:0;overflow:hidden;clip:rect(0,0,0,0)}
.hd_pops{position:absolute;z-index:151;border:1px solid #d0d0d0;border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 20px 50px -18px rgba(0,0,0,.35)}
.hd_pops_con{overflow:hidden}
.hd_pops_con img{display:block;max-width:100%}
.hd_pops_footer{display:flex;background:#1c1c1e}
.hd_pops_footer button{flex:1;border:0;background:none;padding:10px 12px;color:#c9c9cd;font-size:13px;cursor:pointer}
.hd_pops_footer button:hover{color:#fff}
.hd_pops_footer .hd_pops_close{flex:0 0 auto;border-left:1px solid #3a3a3e}
@media (max-width:768px){.hd_pops{left:5vw!important;top:80px!important;width:90vw}.hd_pops_con{width:100%!important;height:auto!important;max-height:70vh}}
/* ===== responsive ===== */
@media (max-width:1400px){
.aca-mega-item{grid-template-columns:calc(var(--aca-mega-indent,420px) - 80px) minmax(0,1fr);gap:36px;padding:44px 44px 52px}/* 80 = padding 44 + gap 36 */
.aca-mega-title strong{font-size:34px}
}
@media (max-width:1024px){
.aca-gnb{display:none}
.aca-burger{display:block}
.aca-member{display:none}/* 모바일은 전체메뉴 상단 링크로 제공 */
.aca-mega-item{display:none}
/* 이중 안전장치: 모바일 폭에서는 .on이 붙어도 카드가 확장되지 않음 */
#top-layout.on .aca-header-card{height:var(--aca-header-h)}
#top-layout.on .aca-navi{box-shadow:none}
#top-layout{--aca-header-h:64px;padding:10px 12px 0}
.aca-header-card{border-radius:14px}
#top-layout .aca-navi{padding:0 18px}
.aca-sub-wrap{padding-top:0}
.aca-foot-inner{grid-template-columns:1fr;grid-template-rows:none}
.aca-foot-brand,.aca-foot-sns,.aca-foot-info,.aca-foot-util{grid-column:1;grid-row:auto;justify-self:start}
.aca-foot-util{margin-top:12px}
}
/* reduced motion (NFR-A2) */
@media (prefers-reduced-motion:reduce){
#top-layout,.aca-header-card,.aca-mega-item,.aca-allmenu,.aca-ico-chev,.aca-d1-a::after{transition:none!important}
.aca-am-d2:not([hidden]){animation:none!important}
html{scroll-behavior:auto!important}
}
/* touch: hover 개폐 비활성 → JS가 탭 토글 처리 (TRD §4.4) */
@media (hover:none){
#top-layout.on .aca-d1-li:hover .aca-mega-item{opacity:0;visibility:hidden;pointer-events:none}
#top-layout.on .aca-d1-li.is-tap-open .aca-mega-item{opacity:1;visibility:visible;pointer-events:auto}
}