@charset "UTF-8";
/* DS ENERGY · layout.css — 공통 골격 (토큰·Header·전체메뉴·Quick·Footer·공통 요소 + 서브 골격: 서브비주얼·위치바·페이지 타이틀)
   원본: _작업/html_261020/css/common.css + sub.css(골격) */
/* DS ENERGY · 공통 스타일 (Header / 전체메뉴 / Quick / Footer / 공통 요소)
   Font : Pretendard · 최소 14px · 정수 px / Layout : 최대 1920px · 콘텐츠 1480px */
/* =========================================================
   DS ENERGY - COMMON
   · Font : Pretendard / 최소 14px / 정수 px만 사용
   · Layout : 최대 1920px / 콘텐츠 1480px
   ========================================================= */
:root{
  --navy:#123175;        /* 로고 네이비 */
  --navy-deep:#0B1F4D;
  --blue:#1C499E;        /* 로고 DS 블루 */
  --blue-light:#E8EEF8;
  --yellow:#FFF100;      /* 로고 옐로우 */
  --sun:#FFC81E;
  --red:#E60012;         /* 로고 레드(포인트) */
  --ink:#111827;
  --text:#374151;
  --muted:#6B7280;
  --line:#E5E7EB;
  --bg-gray:#F3F5F8;
  --white:#fff;
  --container:1480px;
  --gutter:40px;
  --header-h:96px;
  --radius:20px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--white);word-break:keep-all;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.blind{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.site{max-width:1920px;margin:0 auto;position:relative;background:var(--white)}
.inner{width:100%;max-width:calc(var(--container) + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px}

/* ---------- 공통 버튼 ---------- */
.btn-line{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 24px;border:1px solid currentColor;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.02em;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
.btn-line svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.btn-line:hover svg{transform:translateX(4px)}
.btn-line.is-dark{color:var(--ink);border-color:#C9CED6}
.btn-line.is-dark:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.btn-line.is-white{color:#fff;border-color:rgba(255,255,255,.6)}
.btn-line.is-white:hover{background:#fff;color:var(--navy)}

/* ---------- 섹션 타이틀 ---------- */
.sec{padding:140px 0}
.sec-head{margin-bottom:56px}
.sec-head.center{text-align:center}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;letter-spacing:.16em;color:var(--blue);text-transform:uppercase;margin-bottom:16px}
.sec-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 4px rgba(255,200,30,.25)}
.sec-title{font-size:48px;font-weight:800;line-height:1.25;letter-spacing:-.03em;color:var(--ink)}
.sec-desc{margin-top:16px;font-size:20px;line-height:1.6;color:var(--muted);letter-spacing:-.01em}

/* ---------- reveal ---------- */
.sec-more{display:flex;justify-content:center;margin-top:64px}
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}

/* =========================================================
   01 HEADER
   ========================================================= */
.header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);background:rgba(255,255,255,.98);border-bottom:1px solid transparent;transition:height .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.header.is-scrolled{--header-h:80px;box-shadow:0 6px 24px rgba(15,23,42,.06);border-color:var(--line)}
.header-in{max-width:1920px;margin:0 auto;height:100%;padding:0 60px;display:flex;align-items:center;justify-content:space-between;position:relative}
.logo{display:flex;align-items:center;flex-shrink:0;height:100%}
.logo a{display:flex;align-items:center;height:100%}
.logo svg{display:block}
.ft-logo{display:block}
.ft-logo svg{display:block}
.logo svg{width:136px;height:auto}
.gnb{position:absolute;left:50%;top:0;height:100%;transform:translateX(-50%)}
.gnb>ul{display:flex;height:100%}
.gnb>ul>li{position:relative;height:100%}
.gnb>ul>li>a{display:flex;align-items:center;height:100%;padding:0 30px;font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-.02em;position:relative;transition:color .25s}
.gnb>ul>li>a::after{content:"";position:absolute;left:30px;right:30px;bottom:0;height:3px;background:var(--blue);transform:scaleX(0);transition:transform .3s var(--ease)}
.gnb>ul>li:hover>a,.gnb>ul>li:focus-within>a{color:var(--blue)}
.gnb>ul>li:hover>a::after,.gnb>ul>li:focus-within>a::after{transform:scaleX(1)}
.gnb .depth2{position:absolute;top:100%;left:50%;min-width:200px;padding:16px 0;background:#fff;border-radius:0 0 16px 16px;box-shadow:0 20px 40px rgba(15,23,42,.12);opacity:0;visibility:hidden;transform:translate(-50%,-8px);transition:all .3s var(--ease)}
.gnb>ul>li:hover .depth2,.gnb>ul>li:focus-within .depth2{opacity:1;visibility:visible;transform:translate(-50%,0)}
.gnb .depth2 a{display:block;padding:10px 28px;font-size:15px;color:var(--text);white-space:nowrap;transition:color .2s,background .2s}
.gnb .depth2 a:hover{color:var(--blue);background:var(--blue-light)}
.gnb .depth2 a.oPage{color:var(--blue);font-weight:700;background:var(--blue-light)}   /* 2뎁스 현재 페이지 */
.util{display:flex;align-items:center;gap:16px}
.util-tel{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border:1px solid #CBD2DC;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink);transition:all .25s}
.util-tel em{font-style:normal;color:var(--blue);font-weight:700}
.util-tel:hover{border-color:var(--navy);background:var(--navy);color:#fff}
.util-tel:hover em{color:var(--yellow)}
.util-btn{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;color:var(--ink);transition:background .2s}
.util-btn:hover{background:var(--bg-gray)}
.util-btn svg{width:24px;height:24px}
.lang{position:relative}
.lang-list{position:absolute;top:calc(100% + 8px);right:0;width:120px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px rgba(15,23,42,.12);opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .25s}
.lang.is-open .lang-list{opacity:1;visibility:visible;transform:none}
.lang-list a{display:block;padding:8px 12px;font-size:14px;border-radius:8px}
.lang-list a:hover,.lang-list a.on{background:var(--blue-light);color:var(--blue);font-weight:600}

/* 전체메뉴 (PC: 사이트맵 / Mobile: 아코디언) */
.allmenu{position:fixed;inset:0;z-index:200;background:var(--navy-deep);color:#fff;opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s;overflow-y:auto}
.allmenu.is-open{opacity:1;visibility:visible}
.allmenu-top{display:flex;justify-content:space-between;align-items:center;height:96px;padding:0 60px;max-width:1920px;margin:0 auto}
.allmenu-top .logo{--logo-txt:#fff}
.allmenu-close{width:48px;height:48px;display:grid;place-items:center;color:#fff}
.allmenu-close svg{width:28px;height:28px}
.sitemap{display:grid;grid-template-columns:repeat(6,1fr);gap:0;max-width:var(--container);margin:80px auto 0;padding:0 var(--gutter) 80px;border-top:1px solid rgba(255,255,255,.15)}
.sitemap>li{padding:40px 24px 0;border-right:1px solid rgba(255,255,255,.08);transform:translateY(30px);opacity:0;transition:all .6s var(--ease)}
.allmenu.is-open .sitemap>li{transform:none;opacity:1}
.allmenu.is-open .sitemap>li:nth-child(2){transition-delay:.05s}.allmenu.is-open .sitemap>li:nth-child(3){transition-delay:.1s}.allmenu.is-open .sitemap>li:nth-child(4){transition-delay:.15s}.allmenu.is-open .sitemap>li:nth-child(5){transition-delay:.2s}.allmenu.is-open .sitemap>li:nth-child(6){transition-delay:.25s}
.sitemap>li:last-child{border-right:0}
.sitemap-d1{display:flex;justify-content:space-between;align-items:center;width:100%;font-size:24px;font-weight:700;color:#fff;margin-bottom:24px;text-align:left}
.sitemap-d1 .ico{display:none}
.sitemap-d2 a{display:block;padding:7px 0;font-size:16px;color:rgba(255,255,255,.7);transition:color .2s}
.sitemap-d2 a:hover,.sitemap-d2 a.oPage{color:var(--yellow)}
.sitemap-d2 a.oPage{font-weight:700}
.allmenu-foot{max-width:var(--container);margin:0 auto;padding:0 var(--gutter) 60px;display:none}

/* 02-1 QUICK */
.quick{position:fixed;right:40px;top:50%;z-index:90;display:flex;flex-direction:column;gap:12px;transform:translateY(-50%)}
.quick a,.quick button{width:88px;height:88px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 30px rgba(15,23,42,.1);font-size:14px;font-weight:700;color:var(--ink);letter-spacing:-.01em;transition:all .3s var(--ease)}
.quick a{background:var(--navy);border-color:var(--navy);color:#fff}
.quick a:hover{background:var(--blue);transform:translateY(-3px)}
.quick button:hover{border-color:var(--navy);transform:translateY(-3px)}
.quick svg{width:26px;height:26px}
.quick .q-top{opacity:0;visibility:hidden;transition:all .3s var(--ease)}
.quick.show-top .q-top{opacity:1;visibility:visible}

/* =========================================================
   10 FOOTER
   ========================================================= */
.footer{background:#0E1626;color:rgba(255,255,255,.62);font-size:15px}
.ft-top{border-bottom:1px solid rgba(255,255,255,.08)}
.ft-top .inner{display:flex;justify-content:space-between;align-items:center;height:72px}
.ft-links{display:flex;gap:28px}
.ft-links a{font-size:15px;color:rgba(255,255,255,.8)}
.ft-links a:first-child{color:var(--yellow);font-weight:700}
.ft-links a:hover{color:#fff}
.ft-family select{height:40px;min-width:200px;padding:0 16px;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:rgba(255,255,255,.8);font:inherit;font-size:14px}
.ft-family option{color:var(--ink)}
.ft-body .inner{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;padding-top:56px;padding-bottom:56px}
.ft-name{font-size:18px;font-weight:700;color:#fff;margin-bottom:20px}
.ft-info{font-style:normal;line-height:1.7}
.ft-row{display:flex;flex-wrap:wrap;gap:6px 24px}
.ft-row+.ft-row{margin-top:6px}
.ft-info span{display:inline-flex;gap:8px}
.ft-info b{color:rgba(255,255,255,.9);font-weight:600}
.ft-copy{margin-top:24px;font-size:14px;color:rgba(255,255,255,.4);letter-spacing:.02em}
.ft-logo svg{width:160px;height:auto}
.ft-logo{--logo-txt:#fff}

/* RESPONSIVE */
@media (max-width:1600px){
  .quick{right:24px}
  .quick a,.quick button{width:76px;height:76px;font-size:14px}
}
@media (max-width:1440px){
  :root{--gutter:40px}
  .header-in{padding:0 40px}
  .gnb>ul>li>a{padding:0 22px;font-size:17px}
  .gnb>ul>li>a::after{left:22px;right:22px}
  .util-tel{display:none}
  .sec-title{font-size:44px}
}
@media (max-width:1200px){
  :root{--header-h:80px}
  .header.is-scrolled{--header-h:72px}
  .gnb{display:none}
  .header-in{padding:0 32px}
  .util-tel{display:inline-flex}
  .sec{padding:120px 0}
  .sec-title{font-size:40px}
  .sec-desc{font-size:18px}
  .sitemap{grid-template-columns:repeat(3,1fr);row-gap:40px;margin-top:40px}
  .sitemap>li:nth-child(3n){border-right:0}
  .quick{display:none}
  .quick.mobile-top{display:flex;right:20px;bottom:20px;top:auto;transform:none}
  .quick.mobile-top a{display:none}
  .quick.mobile-top button{width:56px;height:56px;border-radius:50%;gap:0}
  .quick.mobile-top .q-txt{display:none}
}
@media (max-width:1024px){
  :root{--gutter:32px}
  .ft-body .inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  :root{--gutter:20px;--header-h:64px;--radius:16px}
  .header.is-scrolled{--header-h:64px}
  .header-in{padding:0 20px}
  .logo svg{width:104px}
  .util{gap:4px}
  .util-tel{display:none}
  .sec{padding:88px 0}
  .sec-head{margin-bottom:40px}
  .sec-title{font-size:30px}
  .sec-desc{font-size:16px;margin-top:12px}
  .sec-eyebrow{margin-bottom:12px}
  .btn-line{height:44px;padding:0 20px;font-size:14px}
  .sec-more{margin-top:40px}
  .ft-top .inner{flex-direction:column;align-items:flex-start;justify-content:center;height:auto;padding-top:20px;padding-bottom:20px;gap:16px}
  .ft-links{gap:20px;flex-wrap:wrap}
  .ft-links a{font-size:14px}
  .ft-family select{width:100%}
  .ft-family{width:100%}
  .ft-body .inner{padding-top:40px;padding-bottom:48px;gap:32px}
  .ft-info{font-size:14px}
  .ft-row{flex-direction:column;gap:4px}
  .ft-row+.ft-row{margin-top:4px}
  .ft-logo svg{width:130px}
  /* 전체메뉴 → 아코디언 */
  .allmenu-top{height:64px;padding:0 20px}
  .allmenu-top .logo svg{width:104px}
  .sitemap{display:block;margin:16px 0 0;padding:0 20px 24px;border-top:0}
  .sitemap>li{padding:0;border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}
  .sitemap-d1{margin:0;padding:22px 0;font-size:20px}
  .sitemap-d1 .ico{display:block;width:20px;height:20px;transition:transform .3s}
  .sitemap>li.is-open .sitemap-d1 .ico{transform:rotate(45deg)}
  .sitemap-d2{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}
  .sitemap-d2>div{overflow:hidden}
  .sitemap>li.is-open .sitemap-d2{grid-template-rows:1fr}
  .sitemap-d2 ul{padding:0 0 20px}
  .sitemap-d2 a{font-size:16px;padding:8px 0}
  .allmenu-foot{display:block;padding:24px 20px 48px}
  .allmenu-foot a{display:flex;align-items:center;justify-content:center;gap:8px;height:56px;border-radius:12px;background:var(--yellow);color:var(--navy);font-size:17px;font-weight:700}
  .allmenu-foot p{margin-top:16px;font-size:14px;color:rgba(255,255,255,.5);text-align:center}
  .quick.mobile-top{right:16px;bottom:16px;top:auto;transform:none}
  .quick.mobile-top a{display:none}
  .quick.mobile-top button{width:52px;height:52px;border-radius:50%;gap:0}
  .quick.mobile-top .q-txt{display:none}
  .quick.mobile-top button svg{width:22px;height:22px}
}
@media (max-width:480px){
  .sec-title{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* DS ENERGY · 서브 페이지 공통 + 회사개요 / 인사말 */

/* =========================================================
   SUB VISUAL (1Depth 공통)
   ========================================================= */
.sub-visual{position:relative;height:520px;margin-top:96px;overflow:hidden;background:var(--navy-deep);color:#fff;isolation:isolate}
.sv-bg{position:absolute;inset:0;z-index:-1}
.sv-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.1);transition:transform 2.4s var(--ease)}
.sub-visual.is-loaded .sv-bg img{transform:scale(1)}
.sv-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,16,42,.55) 0%,rgba(6,16,42,.35) 45%,rgba(6,16,42,.75) 100%)}
.sv-txt{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);text-align:center}
.sv-txt>*{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.sub-visual.is-loaded .sv-txt>*{opacity:1;transform:none}
.sub-visual.is-loaded .sv-txt>*:nth-child(2){transition-delay:.12s}
.sub-visual.is-loaded .sv-txt>*:nth-child(3){transition-delay:.24s}
.sv-eyebrow{display:block;font-size:16px;font-weight:700;letter-spacing:.24em;color:var(--yellow);margin-bottom:16px}
.sv-title{font-size:60px;font-weight:800;line-height:1.2;letter-spacing:-.03em}
.sv-copy{margin-top:20px;font-size:22px;font-weight:500;line-height:1.6;color:rgba(255,255,255,.88);letter-spacing:-.01em}

/* LOCATION (위치 + 동일 Depth 이동) */
.location{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.location .inner{display:flex;align-items:stretch;height:64px}
.loc-home{display:grid;place-items:center;width:64px;border-left:1px solid var(--line);border-right:1px solid var(--line);color:var(--ink);transition:background .2s}
.loc-home:hover{background:var(--bg-gray)}
.loc-home svg{width:20px;height:20px}
.loc-item{position:relative;border-right:1px solid var(--line);min-width:240px}
.loc-item>button{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;height:100%;padding:0 24px;font-size:16px;font-weight:600;color:var(--ink);text-align:left}
.loc-item>button svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.loc-item.is-open>button svg{transform:rotate(180deg)}
.loc-drop{position:absolute;left:-1px;right:-1px;top:100%;padding:8px 0;background:#fff;border:1px solid var(--line);border-top:0;box-shadow:0 16px 32px rgba(15,23,42,.1);opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .25s var(--ease)}
.loc-item.is-open .loc-drop{opacity:1;visibility:visible;transform:none}
.loc-drop a{display:block;padding:10px 24px;font-size:15px;color:var(--text);transition:all .2s}
.loc-drop a:hover{background:var(--blue-light);color:var(--blue)}
.loc-drop a.on{color:var(--blue);font-weight:700}
.gnb>ul>li.is-current>a{color:var(--blue)}
.gnb>ul>li.is-current>a::after{transform:scaleX(1)}

/* 페이지 타이틀 */
.sub-head{padding:120px 0 72px;text-align:center}
.sub-head .sec-title{font-size:52px}
.sub-head .sec-title::after{content:"";display:block;width:40px;height:3px;margin:28px auto 0;background:var(--blue)}

/* 서브 골격 반응형 */
@media (max-width:1440px){
  .sv-title{font-size:54px}
}
@media (max-width:1200px){
  .sub-visual{margin-top:80px;height:440px}
  .sv-title{font-size:48px}
  .sv-copy{font-size:20px}
  .sub-head{padding:96px 0 56px}
  .sub-head .sec-title{font-size:44px}
}
@media (max-width:1024px){
  .loc-item{min-width:200px}
}
@media (max-width:768px){
  .sub-visual{margin-top:64px;height:300px}
  .sv-eyebrow{font-size:14px;margin-bottom:10px}
  .sv-title{font-size:34px}
  .sv-copy{font-size:16px;margin-top:12px}
  .sv-copy br{display:none}
  .sv-txt{padding:0 var(--gutter)}
  .location .inner{height:52px;padding:0}
  .loc-home{width:52px;border-left:0}
  .loc-item{flex:1;min-width:0}
  .loc-item>button{padding:0 16px;font-size:15px}
  .loc-item:last-child{border-right:0}
  .loc-item:last-child .loc-drop{right:0}
  .loc-drop a{padding:10px 16px}
  .sub-head{padding:72px 0 40px}
  .sub-head .sec-title{font-size:32px}
  .sub-head .sec-title::after{margin-top:20px}
}

/* 261030 영문 사이트 — 영어 메뉴 이름이 길어 두 줄로 꺾이지 않게 */
html[lang="en"] .gnb>ul>li>a{white-space:nowrap}
@media (max-width:1680px){
  html[lang="en"] .gnb>ul>li>a{padding:0 16px;font-size:16px}
  html[lang="en"] .gnb>ul>li>a::after{left:16px;right:16px}
}
/* 영문 위치 표시줄 — 긴 메뉴 이름은 한 줄로 자르고 … (펼치면 전체 이름) */
html[lang="en"] .loc-t{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}