@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');

:root{
  --navy:#12275e; --navy-d:#0a1733; --navy-l:#1e3d8f;
  --orange:#f26a1b; --orange-d:#d4560c; --amber:#ffb300;
  --ink:#161c28; --gray:#5c6779; --gray-l:#8b95a7;
  --line:#e3e7ef; --bg:#f4f6fa; --white:#fff;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:96px}
@media(max-width:860px){section[id]{scroll-margin-top:74px}}
body{font-family:Pretendard,'Noto Sans KR',-apple-system,sans-serif;color:var(--ink);background:#fff;line-height:1.65;font-size:16px;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol,li{list-style:none}
nav.gnb>li{list-style:none;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:3px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap}
.btn-o{background:var(--orange);color:#fff}.btn-o:hover{background:var(--orange-d)}
.btn-n{background:var(--navy);color:#fff}.btn-n:hover{background:var(--navy-l)}
.btn-line{background:#fff;color:var(--navy);border-color:#c9d1e2}.btn-line:hover{border-color:var(--navy);background:#f7f9fd}
.btn-w{background:#fff;color:var(--navy)}
.btn-lg{padding:16px 34px;font-size:16px}

/* ---------- 헤더 ---------- */
.util{background:var(--navy-d);color:#c8d2e8;font-size:13px}
.util .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.util a{color:#c8d2e8}.util a:hover{color:#fff}
.util .u-l span{margin-right:16px}
.util .u-r a{margin-left:16px}
.util b{color:var(--amber)}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:900}
.hd{display:flex;align-items:center;justify-content:space-between;height:78px;gap:12px}
.logo{flex-shrink:0}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:38px;width:auto}
.logo .sl{display:none;font-size:11px;color:var(--gray-l);letter-spacing:-.2px;border-left:1px solid var(--line);padding-left:10px;line-height:1.35;width:132px;flex-shrink:0}
@media(min-width:1500px){.logo .sl{display:block}}
nav.gnb{display:flex;gap:2px;height:100%}
nav.gnb>li{position:relative}
nav.gnb>li>a{display:flex;align-items:center;height:78px;padding:0 14px;font-weight:700;font-size:16px;color:#232b3b;white-space:nowrap;letter-spacing:-.4px}
nav.gnb>li>a:hover,nav.gnb>li.on>a{color:var(--orange)}
nav.gnb>li>a::after{content:'';position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--orange);transform:scaleX(0);transition:.2s}
nav.gnb>li:hover>a::after,nav.gnb>li.on>a::after{transform:scaleX(1)}
nav.gnb .sub{position:absolute;top:78px;left:0;min-width:190px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--orange);box-shadow:0 12px 28px rgba(10,23,51,.12);display:none;padding:8px 0}
nav.gnb li:hover .sub{display:block}
nav.gnb .sub a{display:block;padding:9px 18px;font-size:15px;color:#3c4658}
nav.gnb .sub a:hover{background:#f4f6fa;color:var(--navy);font-weight:600}
.hd-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.hd-tel{text-align:right;line-height:1.15}
.hd-tel small{font-size:11px;color:var(--gray-l);display:block;letter-spacing:.4px}
.hd-tel b{font-size:21px;color:var(--navy);letter-spacing:-.5px;font-weight:800;white-space:nowrap}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px}
.burger span{width:24px;height:2px;background:var(--navy);display:block}

/* ---------- 히어로 ---------- */
.hero{position:relative;height:600px;overflow:hidden;background:#0a1733}
.hero .slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;background-size:cover;background-position:center}
.hero .slide.on{opacity:1}
.hero .slide.vid video.hv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:860px){.hero .slide.vid video.hv{display:none}}
.hero .slide::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,18,42,.86) 0%,rgba(8,18,42,.62) 45%,rgba(8,18,42,.18) 100%)}
.hero .inner{position:relative;z-index:3;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff;max-width:var(--max);margin:0 auto;padding:0 20px}
.hero .tag{display:inline-flex;align-items:center;gap:8px;background:rgba(242,106,27,.95);color:#fff;font-size:13.5px;font-weight:700;padding:7px 15px;border-radius:2px;width:fit-content;margin-bottom:20px}
.hero h2{font-size:52px;font-weight:800;line-height:1.22;letter-spacing:-1.6px;margin-bottom:18px;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.hero h2 em{font-style:normal;color:var(--amber)}
.hero p{font-size:19px;color:#dbe3f2;max-width:620px;margin-bottom:30px;line-height:1.6}
.hero .hbtns{display:flex;gap:10px;flex-wrap:wrap}
.hero .dots{position:absolute;bottom:110px;left:50%;transform:translateX(-50%);max-width:var(--max);width:100%;padding:0 20px;display:flex;gap:8px;z-index:4}
.hero .dots button{width:34px;height:4px;background:rgba(255,255,255,.35);border:0;cursor:pointer;padding:0}
.hero .dots button.on{background:var(--orange)}

/* 퀵메뉴 */
.quick{background:var(--navy);position:relative;z-index:5}
.quick ul{display:grid;grid-template-columns:repeat(4,1fr)}
.quick li{border-right:1px solid rgba(255,255,255,.12)}
.quick li:last-child{border-right:0}
.quick a{display:flex;flex-direction:column;gap:5px;padding:26px 24px;color:#fff;transition:.2s}
.quick a:hover{background:var(--navy-l)}
.quick .qi{font-size:13px;color:var(--amber);font-weight:700}
.quick b{font-size:18px;font-weight:700}
.quick span{font-size:13.5px;color:#b9c5df}

/* ---------- 공통 섹션 ---------- */
section{padding:80px 0}
.sec-head{margin-bottom:38px}
.sec-head .k{display:inline-block;font-size:13px;font-weight:800;color:var(--orange);letter-spacing:.5px;margin-bottom:8px}
.sec-head h3{font-size:34px;font-weight:800;letter-spacing:-1.2px;line-height:1.3}
.sec-head p{color:var(--gray);margin-top:10px;font-size:16.5px}
.sec-head.center{text-align:center}
.bg-g{background:var(--bg)}
.more-link{float:right;font-size:14.5px;color:var(--gray);font-weight:600;margin-top:14px}
.more-link:hover{color:var(--orange)}

/* 사업영역 */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.svc-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(15,32,74,.13);border-color:#cfd8ea}
.svc-card .ph{height:170px;background-size:cover;background-position:center}
.svc-card .bd{padding:22px 20px 24px;flex:1;display:flex;flex-direction:column}
.svc-card h4{font-size:19px;font-weight:800;margin-bottom:8px}
.svc-card p{font-size:14.8px;color:var(--gray);line-height:1.6;flex:1}
.svc-card .go{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--navy)}
.svc-card:hover .go{color:var(--orange)}

/* 통계 밴드 */
.stats{background:var(--navy);color:#fff;padding:56px 0}
.stats ul{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats b{display:block;font-size:40px;font-weight:800;color:var(--amber);letter-spacing:-1px}
.stats span{font-size:15px;color:#c3cee6}

/* 야간 배너 */
.band{position:relative;color:#fff;background:#0a1733;padding:0}
.band .ph{height:380px;background-size:cover;background-position:center;position:relative}
.band .ph::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,14,33,.9),rgba(6,14,33,.35))}
.band .ov{position:absolute;inset:0;z-index:2;display:flex;align-items:center}
.band h3{font-size:36px;font-weight:800;letter-spacing:-1.3px;margin-bottom:14px}
.band p{color:#cfd9ee;font-size:17px;max-width:560px;margin-bottom:24px}

/* 갤러리 */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.tabs a{padding:9px 20px;border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:var(--gray)}
.tabs a.on{background:var(--navy);border-color:var(--navy);color:#fff}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gal a{position:relative;display:block;overflow:hidden;background:#eef1f6;aspect-ratio:4/3}
.gal img{width:100%;height:100%;object-fit:cover;transition:.35s}
.gal a:hover img{transform:scale(1.06)}
.gal .cap{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;background:linear-gradient(transparent,rgba(6,14,33,.85));color:#fff;font-size:13.5px;font-weight:600}
.gal .cat{position:absolute;top:10px;left:10px;background:rgba(242,106,27,.95);color:#fff;font-size:11.5px;font-weight:700;padding:3px 9px}

/* 장비 */
.eq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.eq{border:1px solid var(--line);background:#fff}
.eq .ph{aspect-ratio:4/3;background:#eef1f6;overflow:hidden}
.eq .ph img{width:100%;height:100%;object-fit:cover}
.eq .bd{padding:18px 18px 20px}
.eq .cat{font-size:12px;font-weight:700;color:var(--orange)}
.eq h4{font-size:18px;font-weight:800;margin:5px 0 8px}
.eq p{font-size:14.5px;color:var(--gray)}
.eq .spec{margin-top:10px;font-size:13.5px;color:#46506180;border-top:1px dashed var(--line);padding-top:10px;color:#5c6779}

/* 영상 */
.vid-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vid{border:1px solid var(--line);background:#fff}
.vid .fr{aspect-ratio:16/9;background:#000}
.vid iframe{width:100%;height:100%;border:0;display:block}
.vid .bd{padding:16px 18px}
.vid h4{font-size:16.5px;font-weight:700}
.vid p{font-size:14px;color:var(--gray);margin-top:5px}

/* 협력사 배너 */
.partner-cta{background:linear-gradient(100deg,var(--navy) 0%,var(--navy-l) 100%);color:#fff;padding:60px 0}
.partner-cta .in{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.partner-cta h3{font-size:32px;font-weight:800;letter-spacing:-1.2px;margin-bottom:10px}
.partner-cta h3 em{font-style:normal;color:var(--amber)}
.partner-cta p{color:#c8d3ea;font-size:16.5px}

/* 게시판 */
.nt-list{border-top:2px solid var(--navy)}
.nt-list li{border-bottom:1px solid var(--line)}
.nt-list a{display:flex;align-items:center;gap:14px;padding:17px 6px}
.nt-list a:hover .ti{color:var(--orange)}
.nt-list .cat{font-size:12.5px;font-weight:700;color:#fff;background:var(--navy-l);padding:3px 10px;flex-shrink:0}
.nt-list .ti{flex:1;font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nt-list .dt{font-size:13.5px;color:var(--gray-l);flex-shrink:0}

/* 페이지 히어로 */
.phero{height:260px;background-size:cover;background-position:center;position:relative;display:flex;align-items:center;color:#fff}
.phero::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,18,42,.85),rgba(8,18,42,.5))}
.phero .wrap{position:relative;z-index:2}
.phero h2{font-size:38px;font-weight:800;letter-spacing:-1.3px}
.phero p{color:#cfd9ee;margin-top:8px;font-size:16.5px}
.crumb{background:#fff;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--gray-l)}
.crumb .wrap{height:48px;display:flex;align-items:center;gap:8px}
.crumb b{color:var(--navy);font-weight:600}

/* 표/폼 */
.tbl{width:100%;border-top:2px solid var(--navy);border-collapse:collapse;font-size:15.5px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:14px 16px;text-align:left;vertical-align:top}
.tbl th{background:#f7f9fc;width:180px;font-weight:700;color:#2b3446}
.form-row{display:flex;flex-wrap:wrap;gap:16px}
.form-row>div{flex:1;min-width:220px}
label.lb{display:block;font-weight:700;font-size:14.5px;margin-bottom:7px}
label.lb i{color:var(--orange);font-style:normal}
input[type=text],input[type=tel],input[type=email],input[type=password],input[type=date],select,textarea{
  width:100%;padding:12px 14px;border:1px solid #ccd4e2;border-radius:2px;font-size:15.5px;font-family:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(18,39,94,.15);border-color:var(--navy)}
textarea{min-height:130px;resize:vertical;line-height:1.6}
.fbox{background:#fff;border:1px solid var(--line);padding:32px}
.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}.mb32{margin-bottom:32px}
.chk{display:flex;align-items:flex-start;gap:8px;font-size:14.5px;color:var(--gray)}
.chk input{margin-top:4px}
.note{background:#f7f9fc;border:1px solid var(--line);border-left:3px solid var(--orange);padding:16px 18px;font-size:14.5px;color:#46506a;line-height:1.7}
.alert{padding:14px 18px;font-size:15px;margin-bottom:20px;border:1px solid}
.alert.ok{background:#eef8f0;border-color:#bfe3c6;color:#1e6b34}
.alert.err{background:#fdf0ee;border-color:#f2c4bb;color:#a33320}

/* 스텝 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);padding:22px 18px;position:relative}
.step b{display:block;font-size:13px;color:var(--orange);font-weight:800;margin-bottom:6px}
.step h4{font-size:17px;font-weight:700;margin-bottom:6px}
.step p{font-size:14px;color:var(--gray);line-height:1.55}

/* 리스트 체크 */
.chklist li{position:relative;padding-left:26px;margin-bottom:11px;font-size:15.8px;color:#333c4d}
.chklist li::before{content:'';position:absolute;left:0;top:9px;width:12px;height:12px;background:var(--orange);clip-path:polygon(14% 44%,0 60%,40% 100%,100% 22%,84% 6%,38% 66%)}

/* 푸터 */
footer{background:#0a1733;color:#93a2c1;padding:52px 0 34px;font-size:14px}
.ft-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:24px}
.ft-logo{font-size:22px;font-weight:800;color:#fff;letter-spacing:-.8px;margin-bottom:10px}
.ft-logo span{color:var(--amber)}
.ft-nav{display:flex;gap:20px;flex-wrap:wrap;font-size:14.5px;font-weight:600}
.ft-nav a{color:#c3cee6}.ft-nav a:hover{color:#fff}
.ft-info p{margin-bottom:5px;line-height:1.7}
.ft-info b{color:#dbe4f5}
.ft-tel{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.5px}
.copy{margin-top:22px;font-size:13px;color:#6e7f9f}

/* 플로팅 */
.float{position:fixed;right:18px;bottom:22px;z-index:800;display:flex;flex-direction:column;gap:8px}
.float a,.float button{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:var(--navy);box-shadow:0 6px 18px rgba(10,23,51,.3);border:0;cursor:pointer;line-height:1.2;text-align:center}
.float .tel{background:var(--orange)}
.float .top{background:#5c6779}

/* 팝업 */
.pop{position:fixed;z-index:1200;background:#fff;box-shadow:0 20px 50px rgba(0,0,0,.3);border:1px solid #d6dceb}
.pop.center{left:50%;top:12%;transform:translateX(-50%)}
.pop.bl{left:20px;bottom:20px}.pop.br{right:20px;bottom:20px}
.pop .pb{padding:16px}
.pop .pf{display:flex;justify-content:space-between;background:#22304f;color:#fff;font-size:13.5px;padding:9px 12px}
.pop .pf label{cursor:pointer}.pop .pf button{background:none;border:0;color:#fff;cursor:pointer;font-size:13.5px}

/* 라이트박스 */
#lb{position:fixed;inset:0;background:rgba(6,12,26,.93);z-index:1500;display:none;align-items:center;justify-content:center;padding:30px}
#lb.on{display:flex}
#lb img{max-width:94vw;max-height:86vh;object-fit:contain}
#lb .x{position:absolute;top:18px;right:24px;color:#fff;font-size:34px;background:none;border:0;cursor:pointer}
#lb .nv{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);color:#fff;border:0;width:48px;height:70px;font-size:26px;cursor:pointer}
#lb .pv{left:16px}#lb .nx{right:16px}
#lb .cp{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#dbe3f2;font-size:14.5px}

/* 페이징 */
.pg{display:flex;gap:6px;justify-content:center;margin-top:34px}
.pg a,.pg span{padding:9px 15px;border:1px solid var(--line);font-size:14.5px;background:#fff}
.pg .on{background:var(--navy);color:#fff;border-color:var(--navy)}

@media(max-width:1340px){
  nav.gnb>li>a{padding:0 11px;font-size:15.2px}
}
@media(max-width:1180px){
  .hd-tel{display:none}
  nav.gnb>li>a{padding:0 9px;font-size:14.6px}
  .wrap{padding:0 16px}
}
@media(max-width:1080px){
  .svc-grid,.gal{grid-template-columns:repeat(2,1fr)}
  .eq-grid,.vid-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero h2{font-size:40px}
}
@media(max-width:860px){
  .util{display:none}
  nav.gnb{position:fixed;top:0;right:-280px;width:280px;height:100vh;background:#fff;flex-direction:column;padding:70px 0 20px;box-shadow:-8px 0 30px rgba(0,0,0,.15);transition:.28s;overflow-y:auto;z-index:1000;gap:0}
  nav.gnb.open{right:0}
  nav.gnb>li>a{height:auto;padding:15px 22px;border-bottom:1px solid var(--line)}
  nav.gnb>li>a::after{display:none}
  nav.gnb .sub{position:static;display:block;border:0;box-shadow:none;padding:0 0 6px;background:#f7f9fc}
  nav.gnb .sub a{padding:10px 34px}
  .burger{display:flex}
  .hd{height:64px}.logo img{height:32px}.logo .sl{display:none}
  .hd-tel{display:none}
  .hd-cta .btn{padding:10px 16px;font-size:14px}
  .hero{height:520px}
  .hero h2{font-size:30px;letter-spacing:-1px}
  .hero p{font-size:16px}
  .hero .dots{bottom:20px}
  .quick ul{grid-template-columns:repeat(2,1fr)}
  .quick a{padding:18px 16px}
  .stats ul{grid-template-columns:repeat(2,1fr);gap:26px}
  .stats b{font-size:32px}
  section{padding:56px 0}
  .sec-head h3{font-size:26px}
  .band h3{font-size:26px}
  .partner-cta h3{font-size:25px}
  .phero{height:190px}.phero h2{font-size:27px}
  .tbl th{width:110px;font-size:14px;padding:12px 10px}
  .tbl td{font-size:14.5px;padding:12px 10px}
  .fbox{padding:20px}
  .nt-list .cat{display:none}
  .float a,.float button{width:48px;height:48px;font-size:11px}
}
@media(max-width:860px){
  /* 인라인 2단 그리드는 모바일에서 1단으로 (가로 스크롤 방지) */
  [style*="grid-template-columns"]{grid-template-columns:1fr !important;gap:26px !important}
  aside{width:100%}
}
@media(max-width:520px){
  .gal{grid-template-columns:repeat(2,1fr);gap:8px}
  .eq-grid,.vid-grid,.svc-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
}