/* =============================================
   (주)한신 웹사이트 — 공통 스타일 v5
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

/* ── Reset ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;font-size:16px;}
body{font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo',sans-serif;color:#1a1a2e;background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;transition:color .2s;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}

/* ── CSS 변수 ── */
:root{
  --blue-dark:#071e3d;
  --blue-main:#0253a5;
  --blue-mid:#1a73c8;
  --blue-light:#daeeff;
  --blue-pale:#f0f7ff;
  --gray-100:#f8f9fc;
  --gray-200:#f1f3f8;
  --gray-300:#e2e6ef;
  --gray-400:#c8cfdf;
  --gray-500:#8892a4;
  --gray-700:#4a5568;
  --gray-900:#1a1a2e;
  --white:#ffffff;
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.06);
  --shadow-md:0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:0 8px 32px rgba(0,0,0,.12);
  --max-w:1200px;
  --hdr-h:68px;
}

/* =============================================
   HEADER
   ============================================= */
#site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--gray-300);
  height:var(--hdr-h);
}
.hdr-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:0 32px;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.hdr-logo{display:flex;align-items:center;flex-shrink:0;}
.logo-img{height:44px;width:auto;display:block;object-fit:contain;}

/* GNB */
.hdr-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;}
.gnb-item{position:relative;}
.gnb-link{
  display:block;padding:8px 14px;
  font-size:14px;font-weight:500;color:var(--gray-700);
  border-radius:var(--radius-sm);transition:all .2s;white-space:nowrap;
}
.gnb-link:hover,.gnb-link.active{color:var(--blue-main);background:var(--blue-pale);}

/* 드롭다운 */
.gnb-dropdown{
  display:none;position:absolute;top:100%;left:50%;
  transform:translateX(-50%);
  background:#fff;border:1px solid var(--gray-300);
  border-radius:var(--radius-md);box-shadow:var(--shadow-lg);
  padding:6px;min-width:150px;white-space:nowrap;z-index:2000;
  margin-top:6px;
}
/* 메뉴와 드롭다운 사이 틈을 투명 영역으로 메워 마우스 이동 시 hover 유지 */
.gnb-dropdown::before{
  content:"";position:absolute;left:0;right:0;top:-10px;height:10px;
}
.gnb-item:hover .gnb-dropdown{display:block;}
.gnb-dropdown a{
  display:block;padding:8px 14px;font-size:13px;
  color:var(--gray-700);border-radius:var(--radius-sm);transition:all .15s;
}
.gnb-dropdown a:hover{color:var(--blue-main);background:var(--blue-pale);}

/* 헤더 우측 */
.hdr-utils{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.lang-btn{
  padding:5px 10px;font-size:11px;font-weight:500;
  color:var(--gray-500);border:1px solid var(--gray-300);
  border-radius:20px;background:#fff;transition:all .2s;
}
.lang-btn:hover{color:var(--blue-main);border-color:var(--blue-main);}
.hdr-sep{width:1px;height:16px;background:var(--gray-300);}
.btn-contact{
  display:flex;align-items:center;gap:6px;
  padding:8px 18px;background:var(--blue-main);color:#fff;
  font-size:13px;font-weight:500;border-radius:20px;transition:all .2s;cursor:pointer;
}
.btn-contact:hover{background:var(--blue-dark);}

/* 햄버거 버튼 (모바일) */
.hdr-hamburger{
  display:none;flex-direction:column;justify-content:center;
  gap:5px;width:36px;height:36px;padding:4px;cursor:pointer;
  background:none;border:none;flex-shrink:0;
}
.hdr-hamburger span{
  display:block;width:22px;height:2px;background:var(--gray-700);
  border-radius:2px;transition:all .25s;
}
.hdr-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hdr-hamburger.open span:nth-child(2){opacity:0;}
.hdr-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 모바일 드로어 메뉴 */
.mobile-nav{
  display:none;position:fixed;top:var(--hdr-h);left:0;right:0;bottom:0;
  background:#fff;z-index:999;overflow-y:auto;
  padding:16px 0 40px;border-top:1px solid var(--gray-300);
}
.mobile-nav.open{display:block;}
.mob-menu-section{border-bottom:1px solid var(--gray-200);}
.mob-menu-title{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;font-size:15px;font-weight:600;color:var(--gray-900);
  cursor:pointer;
}
.mob-menu-title .arrow{font-size:11px;color:var(--gray-400);transition:transform .2s;}
.mob-menu-title.open .arrow{transform:rotate(180deg);}
.mob-sub-list{display:none;background:var(--gray-100);padding:6px 0;}
.mob-sub-list.open{display:block;}
.mob-sub-list a{
  display:block;padding:10px 36px;font-size:13px;color:var(--gray-700);
}
.mob-sub-list a:hover{color:var(--blue-main);}
.mob-contact{
  margin:20px 24px 0;padding:12px 20px;
  background:var(--blue-main);color:#fff;
  border-radius:8px;font-size:14px;font-weight:600;text-align:center;
  display:block;
}

/* =============================================
   FOOTER
   ============================================= */
#site-footer{background:#0f1629;color:rgba(255,255,255,.65);padding:48px 0 28px;}
.ftr-inner{max-width:var(--max-w);margin:0 auto;padding:0 32px;}
.ftr-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.ftr-brand .ftr-logo{margin-bottom:16px;}
.ftr-logo-img{height:38px;width:auto;display:block;opacity:.9;}
.ftr-addr{font-size:12px;line-height:1.9;color:rgba(255,255,255,.5);}
.ftr-col h4{
  font-size:12px;font-weight:600;color:rgba(255,255,255,.85);
  margin-bottom:14px;letter-spacing:.5px;text-transform:uppercase;
}
.ftr-col ul li+li{margin-top:8px;}
.ftr-col ul li a{font-size:12px;color:rgba(255,255,255,.5);transition:color .2s;}
.ftr-col ul li a:hover{color:#fff;}
.ftr-bottom{
  padding-top:24px;display:flex;align-items:center;
  justify-content:space-between;font-size:11px;color:rgba(255,255,255,.35);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;transition:all .2s;cursor:pointer;}
.btn-primary{background:var(--blue-main);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--blue-main);border:1.5px solid var(--blue-main);}
.btn-outline:hover{background:var(--blue-pale);}
.btn-white{background:#fff;color:var(--blue-main);}
.btn-white:hover{background:var(--blue-pale);}
.btn-ghost{background:rgba(255,255,255,.12);color:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.25);}
.btn-ghost:hover{background:rgba(255,255,255,.2);}

/* =============================================
   PAGE HERO (서브 공통)
   ============================================= */
.page-hero{background:linear-gradient(135deg,var(--blue-dark) 0%,var(--blue-main) 100%);padding:52px 0;}
.page-hero-inner{max-width:var(--max-w);margin:0 auto;padding:0 32px;}
.page-hero-badge{
  display:inline-block;background:rgba(255,255,255,.12);color:rgba(255,255,255,.8);
  font-size:10px;font-weight:500;padding:4px 12px;border-radius:20px;
  letter-spacing:1px;text-transform:uppercase;border:1px solid rgba(255,255,255,.15);margin-bottom:14px;
}
.page-hero h1{font-size:32px;font-weight:700;color:#fff;letter-spacing:-1px;margin-bottom:8px;}
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;}
.breadcrumb a{color:rgba(255,255,255,.6);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{font-size:10px;}
.breadcrumb .cur{color:rgba(255,255,255,.9);}

/* =============================================
   SUB LAYOUT
   ============================================= */
.sub-wrap{
  max-width:var(--max-w);margin:0 auto;padding:40px 32px 80px;
  display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:start;
}
.sub-gnb{
  background:#fff;border:1px solid var(--gray-300);
  border-radius:var(--radius-lg);overflow:hidden;
  position:sticky;top:calc(var(--hdr-h) + 16px);
}
.sub-gnb-title{background:var(--blue-main);color:#fff;font-size:15px;font-weight:700;padding:18px 20px;}
.sub-gnb ul{padding:8px;}
.sub-gnb ul li+li{margin-top:2px;}
.sub-gnb ul li a{
  display:block;padding:10px 14px;font-size:13px;
  color:var(--gray-700);border-radius:var(--radius-sm);transition:all .15s;
}
.sub-gnb ul li a:hover{color:var(--blue-main);background:var(--blue-pale);}
.sub-gnb ul li.active a{color:var(--blue-main);background:var(--blue-pale);font-weight:600;}
.sub-content-title{
  font-size:24px;font-weight:700;color:var(--gray-900);
  letter-spacing:-.8px;margin-bottom:28px;padding-bottom:20px;
  border-bottom:2px solid var(--gray-300);
}
.sub-content-title::after{
  content:'';display:block;width:36px;height:3px;
  background:var(--blue-main);margin-top:12px;border-radius:2px;
}
.cont-h3{
  font-size:16px;font-weight:700;color:var(--blue-main);
  margin-bottom:14px;margin-top:36px;
  display:flex;align-items:center;gap:8px;
}
.cont-h3:first-child{margin-top:0;}
.cont-h3::before{content:'';display:inline-block;width:4px;height:16px;background:var(--blue-main);border-radius:2px;}

/* =============================================
   서브 이미지 — 원본비율 유지
   ============================================= */
.sub-content img{max-width:100%;height:auto;display:block;border-radius:8px;}

/* =============================================
   게시판
   ============================================= */
.board-table{width:100%;border-collapse:collapse;font-size:13px;}
.board-table thead th{
  background:var(--gray-100);border-top:2px solid var(--gray-900);
  border-bottom:1px solid var(--gray-300);padding:12px 14px;
  font-weight:600;color:var(--gray-700);text-align:center;
}
.board-table tbody td{padding:12px 14px;border-bottom:1px solid var(--gray-300);color:var(--gray-700);}
.board-table tbody tr:hover{background:var(--gray-100);}
.board-table .td-title{text-align:left;color:var(--gray-900);}
.board-table .td-title a:hover{color:var(--blue-main);}
.board-paging{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:24px;}
.board-paging a,.board-paging span{
  display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;border:1px solid var(--gray-300);
  border-radius:var(--radius-sm);font-size:13px;color:var(--gray-700);transition:all .15s;
}
.board-paging a:hover{border-color:var(--blue-main);color:var(--blue-main);}
.board-paging span.cur{background:var(--blue-main);border-color:var(--blue-main);color:#fff;}
.board-search{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:16px;background:var(--gray-100);border-radius:var(--radius-md);margin-bottom:20px;
}
.board-search input[type="text"]{
  padding:9px 14px;border:1px solid var(--gray-300);border-radius:var(--radius-sm);
  font-size:13px;width:240px;outline:none;font-family:inherit;background:#fff;
}
.board-search input[type="text"]:focus{border-color:var(--blue-main);}
.board-search .btn-search{
  padding:9px 18px;background:var(--blue-main);color:#fff;
  border-radius:var(--radius-sm);font-size:13px;font-weight:500;
  border:none;font-family:inherit;transition:background .2s;cursor:pointer;
}
.board-search .btn-search:hover{background:var(--blue-dark);}

/* =============================================
   문의 폼
   ============================================= */
.form-table{width:100%;border-collapse:collapse;font-size:13px;}
.form-table th{
  background:var(--gray-100);border:1px solid var(--gray-300);
  padding:12px 16px;font-weight:600;color:var(--gray-700);
  width:140px;vertical-align:top;padding-top:14px;text-align:left;
}
.form-table td{border:1px solid var(--gray-300);padding:10px 14px;}
.form-table input[type="text"],
.form-table input[type="email"],
.form-table select,
.form-table textarea{
  width:100%;padding:9px 12px;border:1px solid var(--gray-300);
  border-radius:var(--radius-sm);font-size:13px;font-family:inherit;
  outline:none;background:#fff;transition:border-color .2s;
}
.form-table input[type="text"]:focus,
.form-table select:focus,
.form-table textarea:focus{border-color:var(--blue-main);}
.form-table textarea{resize:vertical;min-height:120px;}
.form-table .tel-group{display:flex;align-items:center;gap:6px;}
.form-table .tel-group input{width:auto;flex:1;}
.form-table .tel-group span{color:var(--gray-500);}
.form-table .email-group{display:flex;align-items:center;gap:6px;}
.form-table .email-group input{width:auto;flex:1;}
.form-table .email-group span{color:var(--gray-500);}
.form-table .email-group select{width:160px;}
.privacy-box{
  border:1px solid var(--gray-300);border-radius:var(--radius-sm);
  height:220px;overflow-y:auto;padding:14px 16px;
  font-size:12px;line-height:1.8;color:var(--gray-700);background:var(--gray-100);
}
.form-agree{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:13px;color:var(--gray-700);}
.form-btn-row{text-align:center;padding-top:28px;}

/* =============================================
   GO TOP
   ============================================= */
.go-top{
  position:fixed;bottom:30px;right:30px;width:44px;height:44px;
  background:var(--blue-main);border-radius:50%;display:flex;
  align-items:center;justify-content:center;color:#fff;font-size:18px;
  opacity:0;transition:all .3s;z-index:999;
  box-shadow:0 4px 12px rgba(2,83,165,.35);text-decoration:none;
}
.go-top.visible{opacity:1;}
.go-top:hover{transform:translateY(-2px);}

/* =============================================
   헤더 로고 fallback
   ============================================= */
.hdr-logo .logo-mark{display:none;}
.hdr-logo .logo-text{display:none;}

/* =============================================
   반응형 — 태블릿 (769~1024px)
   ============================================= */
@media (min-width:769px) and (max-width:1024px){
  .hdr-inner{padding:0 20px;gap:16px;}
  .gnb-link{padding:8px 10px;font-size:13px;}
  .sec-inner{padding:0 20px;}
  .sub-wrap{padding:32px 20px 60px;}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

/* =============================================
   반응형 — 모바일 (768px 이하)
   ============================================= */
@media (max-width:768px){
  :root{--hdr-h:58px;}

  /* 헤더 */
  .hdr-inner{padding:0 16px;gap:10px;}
  .hdr-nav{display:none;}          /* 데스크톱 nav 숨김 */
  .hdr-utils .lang-btn{display:none;}
  .hdr-sep{display:none;}
  .btn-contact{display:none;}      /* 헤더 문의 버튼은 드로어에 */
  .hdr-hamburger{display:flex;}    /* 햄버거 표시 */
  .logo-img{height:34px;}

  /* 페이지 히어로 */
  .page-hero{padding:32px 0;}
  .page-hero-inner{padding:0 16px;}
  .page-hero h1{font-size:22px;}

  /* 서브 레이아웃 */
  .sub-wrap{grid-template-columns:1fr;padding:20px 16px 60px;gap:16px;}
  .sub-gnb{position:static;}
  .sub-gnb ul{display:grid;grid-template-columns:repeat(2,1fr);gap:4px;}
  .sub-content-title{font-size:19px;}

  /* 게시판 */
  .board-table th:last-child,.board-table td:last-child{display:none;}

  /* 폼 */
  .form-table th{width:72px;font-size:12px;padding:8px 10px;}
  .form-table td{padding:8px 10px;}
  .form-table .tel-group{flex-wrap:wrap;}
  .form-table .email-group{flex-wrap:wrap;}
  .form-table .email-group select{width:100%;margin-top:4px;}

  /* 푸터 */
  .ftr-inner{padding:0 16px;}
  .ftr-grid{grid-template-columns:repeat(3,1fr);gap:16px 12px;}
  .ftr-brand{grid-column:1 / 4;}
  .ftr-col h4{font-size:12px;}
  .ftr-col ul li a{font-size:11px;}
  .ftr-bottom{flex-direction:column;gap:8px;text-align:center;}
}

/* =============================================
   반응형 — 소형폰 (480px 이하)
   ============================================= */
@media (max-width:480px){
  .page-hero h1{font-size:20px;}
  .sub-content-title{font-size:17px;}
  .ftr-grid{gap:14px 8px;}
  .ftr-col h4{font-size:11px;margin-bottom:8px;}
  .ftr-col ul li a{font-size:10px;}
  .ftr-col ul li+li{margin-top:6px;}
}


/* EN/CN 메인 페이지 반응형 */
@media (max-width:768px){
  .lang-hero-grid{grid-template-columns:1fr !important;gap:28px !important;padding:36px 16px !important;}
  .lang-grid-3{grid-template-columns:1fr !important;gap:14px !important;}
  .lang-grid-4{grid-template-columns:repeat(2,1fr) !important;gap:12px !important;}
}
@media (max-width:480px){
  .lang-grid-4{grid-template-columns:1fr !important;}
}

/* 모바일 드로어 언어 전환 */
.mob-lang{display:flex;gap:8px;justify-content:center;padding:20px 24px 0;}
.mob-lang a{
  flex:1;text-align:center;padding:10px 0;font-size:13px;font-weight:600;
  color:var(--gray-700);border:1px solid var(--gray-300);border-radius:8px;
}
.mob-lang a.active{background:var(--blue-main);color:#fff;border-color:var(--blue-main);}
.mob-lang a:hover{border-color:var(--blue-main);color:var(--blue-main);}
.mob-lang a.active:hover{color:#fff;}

/* =============================================
   콘텐츠 보호 — 이미지 선택/드래그/모바일 저장 방지
   ============================================= */
img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
  -webkit-touch-callout: none; /* 모바일 길게 눌러 저장 메뉴 차단 */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  pointer-events: auto;
}