/* ===================================================================
   WOOJANG — Site.css v5 "Forged Metal / Storyboard"
   스토리보드를 그대로 구현한 신규 레이아웃 시스템 (구 마크업 전면 폐기)
   구성: 토큰 / GNB(로고+인라인 메뉴+드롭다운+문의 CTA, 투명→블러) /
         모바일 풀스크린 내브 / 섹션 헤더(모노 넘버) / 푸터 / 폼 / 유틸
   =================================================================== */

:root{
    /* ── 스토리보드 §01 팔레트 ── */
    --bg:#08090c;               /* Deep Carbon */
    --bg-panel:#0e1015;
    --bg-card:#13161d;          /* Graphite */
    --line:#232734;
    --line-soft:#1a1e28;
    --silver:#bcc8d8;           /* Titanium Silver — 포인트 */
    --silver-soft:rgba(188,200,216,.14);
    --steel:#7d93b2;            /* Steel Blue — 보조 */
    --txt:#eceef2;              /* Cool White */
    --txt-dim:#9aa0ad;          /* Ash Gray */
    --txt-faint:#5c6270;
    --danger:#c96a62;

    --font:'Pretendard Variable',Pretendard,'Noto Sans KR','Malgun Gothic',sans-serif;
    --mono:'JetBrains Mono','Consolas',monospace;
    --ease:cubic-bezier(.22,.61,.36,1);
    --hh:76px;                  /* 헤더 높이 */
    --shadow:0 24px 50px -24px rgba(0,0,0,.65);
}

*{margin:0;padding:0;box-sizing:border-box}
button,input,select,textarea{font-family:inherit}
html{scroll-behavior:smooth}
body{
    font-family:var(--font);color:var(--txt);background:var(--bg);
    font-size:15.5px;line-height:1.75;letter-spacing:-.01em;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
em{font-style:normal}
img{max-width:100%;display:block}
::selection{background:var(--silver);color:#0a0a0a}

.wrap{width:min(1180px,90%);margin:0 auto}
.wrap-wide{width:min(1320px,92%);margin:0 auto}

/* ================================================================
   섹션 헤더 — 스토리보드 문법 그대로 (SECTION NO · 타이틀 · 설명)
   ================================================================ */
.sec-no{
    font-family:var(--mono);font-size:12px;color:var(--silver);
    letter-spacing:.3em;text-transform:uppercase;margin-bottom:14px;
}
.sec-title{
    font-size:clamp(26px,3.2vw,34px);font-weight:700;letter-spacing:-.03em;
    color:var(--txt);margin-bottom:10px;word-break:keep-all;text-wrap:balance;
}
.sec-desc{color:var(--txt-dim);max-width:720px;margin-bottom:44px;word-break:keep-all}
.sec-desc .kicker,.kicker{color:var(--silver);font-weight:600}

/* 공통 버튼/링크 */
.btn-line{
    display:inline-flex;align-items:center;gap:10px;
    border:1px solid var(--silver);color:var(--silver);border-radius:100px;
    padding:12px 34px;font-weight:600;font-size:14px;letter-spacing:.02em;
    transition:background .3s,color .3s;
}
.btn-line:hover{background:var(--silver);color:#0a0c10}
.txt-link{
    display:inline-flex;align-items:center;gap:9px;color:var(--silver);
    font-weight:600;transition:color .25s;
}
.txt-link::after{content:"→";transition:transform .25s var(--ease)}
.txt-link:hover{color:#fff}
.txt-link:hover::after{transform:translateX(4px)}

/* 그리드 데코 (스토리보드 표지의 모눈 배경) */
.grid-deco{
    position:absolute;inset:0;z-index:0;opacity:.5;pointer-events:none;
    background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),
                     linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
    background-size:72px 72px;
    -webkit-mask-image:radial-gradient(ellipse 75% 70% at 50% 40%,#000,transparent);
    mask-image:radial-gradient(ellipse 75% 70% at 50% 40%,#000,transparent);
}

/* ================================================================
   GNB — 스토리보드 와이어프레임: 로고 좌 · 인라인 메뉴 · 문의 CTA
   최초 투명 → 스크롤 시 다크 블러 (M-05의 '고정 GNB' 정의)
   ================================================================ */
.wj-header{
    position:fixed;top:0;left:0;right:0;height:var(--hh);z-index:1000;
    display:flex;align-items:center;
    background:rgba(8,9,12,.82);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    box-shadow:0 1px 0 var(--line);
    transition:background .35s var(--ease),box-shadow .35s,height .3s var(--ease);
}
.wj-header.on{
    height:64px;
}
.wj-header-in{
    width:min(1440px,94%);margin:0 auto;
    display:flex;align-items:center;gap:40px;
}
.wj-brand{display:flex;align-items:center;gap:12px;flex:none}
.wj-brand img{height:30px;width:auto}
.wj-brand .brand-txt{
    font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;
    color:var(--txt-dim);border-left:1px solid var(--line);padding-left:12px;
    text-transform:uppercase;white-space:nowrap;
}

/* 인라인 메뉴 */
.wj-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.wj-nav-item{position:relative}
.wj-nav-link{
    display:inline-block;padding:24px 18px;font-size:15px;font-weight:500;
    color:rgba(236,238,242,.82);letter-spacing:-.01em;transition:color .2s;position:relative;
}
.wj-nav-link::after{
    content:"";position:absolute;left:18px;right:18px;bottom:16px;height:1px;
    background:var(--silver);transform:scaleX(0);transform-origin:left;
    transition:transform .3s var(--ease);
}
.wj-nav-item:hover .wj-nav-link,
.wj-nav-item.active .wj-nav-link{color:#fff}
.wj-nav-item:hover .wj-nav-link::after,
.wj-nav-item.active .wj-nav-link::after{transform:scaleX(1)}

/* 드롭다운 — 해어라인 패널 */
.wj-drop{
    position:absolute;top:calc(100% - 8px);left:0;min-width:200px;
    background:rgba(14,16,21,.96);border:1px solid var(--line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    padding:10px 0;opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
    box-shadow:var(--shadow);
}
.wj-nav-item:hover .wj-drop,
.wj-nav-item:focus-within .wj-drop{opacity:1;visibility:visible;transform:none}
.wj-drop a{
    display:block;padding:9px 22px;font-size:14px;color:var(--txt-dim);
    transition:color .2s,background .2s,padding-left .25s var(--ease);
}
.wj-drop a:hover{color:var(--txt);background:rgba(188,200,216,.05);padding-left:26px}
.wj-drop a.active{color:var(--silver)}

/* 우측: 문의 CTA + 버거 */
.wj-header-right{display:flex;align-items:center;gap:18px;flex:none}
.wj-cta{
    border:1px solid var(--silver);color:var(--silver);border-radius:100px;
    padding:9px 24px;font-size:13.5px;font-weight:600;letter-spacing:.02em;
    transition:background .3s,color .3s;
}
.wj-cta:hover{background:var(--silver);color:#0a0c10}
.wj-burger{
    display:none;flex-direction:column;justify-content:center;gap:6px;
    width:40px;height:38px;background:none;border:none;cursor:pointer;padding:6px;
}
.wj-burger span{
    display:block;width:26px;height:2px;background:#fff;transform-origin:center;
    transition:transform .4s var(--ease),opacity .3s,width .3s;
}
.wj-burger.on span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.wj-burger.on span:nth-child(2){opacity:0;width:0}
.wj-burger.on span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ── 모바일 풀스크린 내브 ── */
.wj-mnav{
    position:fixed;inset:0;z-index:990;background:rgba(8,9,12,.97);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    padding:calc(var(--hh) + 20px) 8% 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s;
}
.wj-mnav.open{opacity:1;visibility:visible}
.wj-mgroup{border-bottom:1px solid var(--line-soft)}
.wj-mgroup-head{
    width:100%;display:flex;align-items:center;justify-content:space-between;
    background:none;border:none;cursor:pointer;text-align:left;
    padding:20px 4px;color:var(--txt);font-size:20px;font-weight:600;letter-spacing:-.02em;
}
.wj-mgroup-head::after{
    content:"+";font-size:22px;font-weight:300;color:var(--txt-faint);
    transition:transform .3s var(--ease),color .2s;
}
.wj-mgroup.open .wj-mgroup-head::after{transform:rotate(45deg);color:var(--silver)}
.wj-msub{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.wj-mgroup.open .wj-msub{max-height:320px}
.wj-msub a{
    display:block;padding:10px 4px;color:var(--txt-dim);font-size:15.5px;transition:color .2s;
}
.wj-msub a:hover,.wj-msub a.active{color:var(--silver)}
.wj-msub a:last-child{padding-bottom:22px}
.wj-minfo{
    margin-top:34px;display:flex;flex-direction:column;gap:8px;
    font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--txt-faint);
}
.wj-minfo a{color:var(--txt-dim)}

/* ================================================================
   푸터 — 스토리보드 와이어프레임(회사정보 · 연락처 · 모노 레이블)
   ================================================================ */
.wj-footer{background:var(--bg-panel);border-top:1px solid var(--line-soft)}
.wj-foot-cta{
    border-bottom:1px solid var(--line-soft);
    padding:96px 0;position:relative;overflow:hidden;
}
.wj-foot-cta .wrap{position:relative;z-index:1}
.wj-foot-cta .sec-no{margin-bottom:18px}
.wj-foot-cta h2{
    font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.03em;
    line-height:1.3;margin-bottom:34px;word-break:keep-all;
}
.wj-foot-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;
    padding:70px 0 30px;
}
.wj-fcol .f-label{
    font-family:var(--mono);font-size:11px;letter-spacing:.26em;color:var(--silver);
    text-transform:uppercase;display:block;margin-bottom:18px;
}
.wj-fcol p,.wj-fcol a{
    display:block;color:var(--txt-dim);font-size:14px;padding:3px 0;margin:0;transition:color .2s;
}
.wj-fcol a:hover{color:var(--silver)}
.wj-fcol .f-ko{color:var(--txt);font-weight:700;font-size:16px;margin-bottom:6px}
.wj-foot-bottom{
    padding:12px 0 34px;display:flex;justify-content:center;
    font-size:13px;color:var(--txt-faint);
}
.wj-foot-copy{display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center}
.wj-credit{font-size:12px;letter-spacing:.02em;color:#0f1116}

/* 푸터 패밀리 드롭다운 — 모바일 전용(데스크톱은 우측 Family 컬럼 유지) */
.foot-brand-top{display:contents}
.foot-family{display:none;position:relative}
.foot-family-btn{
    display:inline-flex;align-items:center;gap:7px;background:none;
    border:1px solid var(--line);border-radius:100px;color:var(--txt-dim);
    padding:8px 15px;font-size:12.5px;letter-spacing:.02em;cursor:pointer;
    transition:color .25s,border-color .25s;white-space:nowrap;
}
.foot-family-btn i{font-size:9px;transition:transform .25s}
.foot-family-btn:hover,.foot-family-btn[aria-expanded="true"]{color:var(--txt);border-color:var(--silver)}
.foot-family-btn[aria-expanded="true"] i{transform:rotate(180deg)}
.foot-family-menu.dropdown-menu{
    --bs-dropdown-min-width:172px;background:rgba(14,16,21,.98);
    border:1px solid var(--line);border-radius:10px;padding:6px;box-shadow:var(--shadow);
}
.foot-family-menu .dropdown-item{
    color:var(--txt-dim);font-size:13.5px;padding:8px 12px;border-radius:7px;
    transition:background .2s,color .2s;
}
.foot-family-menu .dropdown-item:hover,.foot-family-menu .dropdown-item:focus{background:rgba(188,200,216,.07);color:var(--txt)}

/* ================================================================
   스크롤 리빌 (M-05) · 카운트업 컨테이너
   ================================================================ */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.show{opacity:1;transform:none}

/* ================================================================
   폼 (Contact) — 다크 언더라인 스타일 (스토리보드 §08)
   ================================================================ */
.form-label{color:var(--txt-dim);font-size:13.5px;font-weight:600;letter-spacing:.01em}
.form-control,.form-select{
    background:transparent;border:none;border-bottom:1px solid var(--line);
    border-radius:0;color:var(--txt);padding:.65rem .2rem;font-size:15px;
    transition:border-color .3s;
}
.form-control::placeholder{color:var(--txt-faint)}
.form-control:focus,.form-select:focus{
    background:transparent;border-color:var(--silver);color:var(--txt);
    box-shadow:none;outline:none;
}
.form-select{
    background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%239aa0ad' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}
.form-select option{background:var(--bg-card);color:var(--txt)}
textarea.form-control{border:1px solid var(--line);padding:.8rem;min-height:140px}
textarea.form-control:focus{border-color:var(--silver)}
.text-danger{color:var(--danger)!important}
.alert-success{
    background:rgba(125,178,147,.08);border:1px solid rgba(125,178,147,.3);
    color:#9ecfb2;border-radius:0;padding:14px 18px;font-size:14px;margin-bottom:22px;
    display:flex;align-items:center;gap:10px;
}
.btn-submit{
    width:100%;background:var(--silver);color:#0a0c10;border:1px solid var(--silver);
    border-radius:100px;padding:15px;font-weight:700;font-size:15px;cursor:pointer;
    transition:background .3s,border-color .3s;
}
.btn-submit:hover{background:#fff;border-color:#fff}

/* ================================================================
   RESPONSIVE
   ================================================================ */
/* 중간 폭(태블릿~좁은 데스크톱): 인라인 메뉴를 컴팩트하게 유지 */
@media(max-width:1080px){
    .wj-header-in{gap:22px}
    .wj-brand .brand-txt{display:none}
    .wj-nav-link{padding-left:13px;padding-right:13px;font-size:14.5px}
    .wj-nav-link::after{left:13px;right:13px}
    .wj-cta{padding:9px 18px}
}
/* 이 이하에서만 햄버거로 전환 (실제 좁은 화면) */
@media(max-width:820px){
    .wj-nav{display:none}
    .wj-burger{display:flex}
    .wj-cta{display:none}
    .wj-header-right{margin-left:auto}   /* 햄버거를 우측 끝으로 정렬 */
}
@media(max-width:900px){
    .wj-foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:600px){
    :root{--hh:62px}
    body{font-size:15px}
    .wj-brand img{height:25px}
    .wj-brand .brand-txt{display:none}
    /* 모바일 푸터: 사이트맵 숨김 · 패밀리는 로고 옆 드롭다운 */
    .wj-foot-grid{grid-template-columns:1fr;gap:22px;padding:38px 0 16px}
    .wj-foot-grid > .wj-fcol:nth-child(3){display:none}   /* Sitemap 숨김 */
    .wj-foot-grid > .wj-fcol:nth-child(4){display:none}   /* Family → 로고 옆 드롭다운으로 대체 */
    .foot-brand-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
    .foot-family{display:inline-block}
    .foot-family-btn{padding:7px 13px;font-size:12px}
    .wj-footer .wj-fcol-brand .foot-logo-wrap{padding:7px 11px;margin-bottom:0}
    .wj-footer .wj-fcol-brand .foot-logo{width:80px}
    .wj-fcol-brand p{font-size:13px}
    .wj-fcol-brand p:first-of-type{margin-top:2px}
    .wj-foot-bottom{padding:14px 0 26px}
}