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

:root{
  --bg:#fff; --soft:#F4F7FA; --line:#E3E8EE; --line2:#CDD5DE;
  --ink:#0F1B2A; --sub:#4A5563; --mute:#8590A0;
  --navy:#12385F; --point:#335AA9; --sky:#15B0E6; --point-soft:#EDF3FB;
  --grad:linear-gradient(135deg,#15B0E6 0%,#335AA9 70%,#3A4C9E 100%);
  --sans:"Pretendard",-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --wrap:1240px; --gut:clamp(16px,4vw,40px); --hd:84px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;letter-spacing:-.01em;word-break:keep-all;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}

/* ===== header + mega menu ===== */
.hd{position:fixed;inset:0 0 auto 0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .3s}
.hd.scrolled{box-shadow:0 2px 18px rgba(0,0,0,.05)}
.hd-in{display:flex;align-items:flex-start;justify-content:space-between;height:var(--hd)}
.logo{display:flex;align-items:center;height:var(--hd)}
.logo img{height:34px;width:auto}
.gnb{display:flex;align-self:stretch}
.gnb>li{width:150px;text-align:center}
.gnb>li>a{display:flex;align-items:center;justify-content:center;height:var(--hd);font-size:17px;font-weight:700;transition:color .2s}
.gnb>li:hover>a,.gnb>li.on>a{color:var(--point)}
.gnb .sub{display:none;padding:22px 0 30px}
.gnb .sub a{display:block;padding:7px 4px;font-size:15px;color:var(--sub);transition:color .15s,background .15s}
.gnb .sub a:hover{color:#fff;background:var(--point)}
.hd.open{box-shadow:0 18px 30px rgba(15,27,42,.08)}
.hd.open .hd-in{height:auto;min-height:var(--hd)}
.hd.open .gnb .sub{display:block}
.hd.open .gnb>li{border-left:1px solid var(--line)}
.hd.open .gnb>li:last-child{border-right:1px solid var(--line)}
.hd.open .gnb>li:hover{background:var(--soft)}
.util{display:flex;align-items:center;gap:14px;height:var(--hd);font-size:13px;color:var(--mute);font-weight:600}
.util b{color:var(--ink)}
.burger{display:none;width:44px;height:var(--hd);flex-direction:column;justify-content:center;align-items:flex-end;gap:6px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);transition:transform .3s,opacity .3s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.mnav{display:none}

/* ===== sub hero + lnb ===== */
.subhero{padding:calc(var(--hd) + 72px) 0 64px;background:var(--soft);border-bottom:1px solid var(--line)}
.crumb{display:flex;gap:8px;font-size:13px;color:var(--mute);margin-bottom:22px}
.crumb span+span::before{content:"›";margin-right:8px;color:var(--line2)}
.subhero .en{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--point);text-transform:uppercase}
.subhero h1{font-size:clamp(32px,4.4vw,50px);font-weight:800;letter-spacing:-.035em;line-height:1.25;margin-top:6px}
.lnb{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:var(--hd);z-index:20}
.lnb ul{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.lnb ul::-webkit-scrollbar{display:none}
.lnb a{display:block;padding:20px 18px;font-size:16px;font-weight:600;color:var(--mute);white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px}
.lnb a:hover{color:var(--ink)}
.lnb a.on{color:var(--ink);border-bottom-color:var(--point)}

/* ===== sections / type ===== */
.sec{padding:clamp(72px,10vw,120px) 0}
.sec.tight{padding-top:clamp(56px,7vw,80px)}
.sec.gray{background:var(--soft)}
.sec+.sec:not(.gray){border-top:1px solid var(--line)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--point);text-transform:uppercase;margin-bottom:14px}
.h2{font-size:clamp(28px,3.3vw,40px);font-weight:800;letter-spacing:-.035em;line-height:1.3}
.h3{font-size:22px;font-weight:700;letter-spacing:-.02em;line-height:1.4}
.lead{font-size:clamp(17px,1.6vw,20px);color:var(--sub);margin-top:22px;max-width:780px}
.body{color:var(--sub);margin-top:18px}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
.head{margin-bottom:clamp(40px,5vw,64px)}
.note{font-size:13px;color:var(--mute);margin-top:28px}
.point{color:var(--point)}
.btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 28px;border:1px solid var(--ink);font-size:15px;font-weight:700;transition:background .2s,color .2s}
.btn:hover{background:var(--ink);color:#fff}
.btn.fill{background:var(--point);border-color:var(--point);color:#fff}
.btn.fill:hover{background:var(--navy);border-color:var(--navy)}
.btn::after{content:"→";font-weight:400}
.btn.dl::after{content:"↓"}
.btn.off{border-color:var(--line2);color:var(--mute);pointer-events:none}
.btn.off::after{content:none}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:center}
.media{overflow:hidden;background:var(--soft)}
.media img{width:100%;height:100%;object-fit:cover}

/* cards */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);padding:40px 34px;background:#fff;transition:border-color .2s,transform .2s}
.card .num{display:block;font-size:13px;font-weight:700;color:var(--point);letter-spacing:.12em;margin-bottom:22px}
.card h3{font-size:21px;font-weight:700;letter-spacing:-.02em;margin-bottom:12px;line-height:1.4}
.card p{font-size:15.5px;color:var(--sub);line-height:1.7}
.card ul{margin-top:14px}
.card li{position:relative;padding-left:14px;font-size:15px;color:var(--sub);line-height:1.8}
.card li::before{content:"";position:absolute;left:0;top:.8em;width:4px;height:4px;background:var(--point)}
a.card:hover{border-color:var(--ink);transform:translateY(-3px)}

/* key-value table */
.kv{border-top:2px solid var(--ink)}
.kv>div{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid var(--line);padding:22px 0}
.kv dt{font-weight:700}
.kv dd{color:var(--sub)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.stat{padding:38px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.stat b{display:block;font-size:clamp(26px,2.8vw,34px);font-weight:800;letter-spacing:-.03em;color:var(--ink);line-height:1.2}
.stat b small{font-size:.55em;margin-left:2px}
.stat span{display:block;margin-top:10px;font-size:14.5px;color:var(--sub);line-height:1.6}

/* quote / mission */
.mission{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.55;letter-spacing:-.03em;max-width:940px}
.mission em{font-style:normal;color:var(--point)}
.sign{margin-top:44px;font-weight:700}
.sign small{display:block;font-weight:500;color:var(--mute);font-size:14px}
.letter p{color:var(--sub);margin-top:22px;font-size:17.5px;line-height:1.95}
.letter p:first-child{margin-top:0}

/* leadership + org */
.people{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:860px}
.person{border:1px solid var(--line);padding:44px 40px}
.person i{font-style:normal;font-size:14px;color:var(--point);font-weight:700}
.person h3{font-size:28px;font-weight:800;letter-spacing:-.02em;margin-top:6px}
.person p{margin-top:14px;color:var(--sub);font-size:15.5px}
.org{display:flex;flex-direction:column;align-items:center}
.org .box{border:1px solid var(--ink);padding:16px 36px;font-weight:700;background:#fff;text-align:center;min-width:220px}
.org .box.top{background:var(--navy);border-color:var(--navy);color:#fff}
.org .box small{display:block;font-weight:500;font-size:13px;color:var(--mute)}
.org .vline{width:1px;height:36px;background:var(--line2)}
.org .row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;width:100%;max-width:980px;position:relative;padding-top:36px}
.org .row::before{content:"";position:absolute;top:0;left:12.5%;right:12.5%;height:1px;background:var(--line2)}
.org .row .box{border-color:var(--line2);min-width:0;font-weight:600;position:relative}
.org .row .box::before{content:"";position:absolute;top:-37px;left:50%;width:1px;height:36px;background:var(--line2)}
.org .partner{margin-top:40px;display:flex;gap:16px;flex-wrap:wrap;justify-content:center;font-size:14px;color:var(--sub)}
.org .partner span{border:1px dashed var(--line2);padding:10px 18px}

/* ci */
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sw{border:1px solid var(--line)}
.sw div{height:120px}
.sw p{padding:14px 16px;font-size:14px;color:var(--sub)}
.sw b{display:block;color:var(--ink)}
.logo-stage{border:1px solid var(--line);display:grid;place-items:center;min-height:260px}
.logo-stage.dark{background:var(--navy);border-color:var(--navy)}
.logo-stage img{max-width:min(420px,80%);height:auto}
.logo-stage.sym img{max-width:140px}

/* map */
.map{width:100%;height:440px;border:1px solid var(--line);background:var(--soft)}
.map iframe{width:100%;height:100%;border:0}
.maplinks{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}

/* product */
.product-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(40px,6vw,96px);align-items:center}
.tagline{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;padding:7px 14px;background:var(--point-soft);color:var(--point);margin-bottom:22px}
.partner-band{border:1px solid var(--line);border-left:4px solid var(--point);padding:34px 38px;background:#fff}
.partner-band p{font-size:clamp(18px,1.8vw,22px);font-weight:700;line-height:1.6;letter-spacing:-.02em}
.partner-band small{display:block;margin-top:10px;color:var(--sub);font-size:15px;font-weight:400}
.flow{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}
.flow>div{padding:40px 34px;border-right:1px solid var(--line);position:relative;background:#fff}
.flow>div:last-child{border-right:0}
.flow i{font-style:normal;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--point)}
.flow h3{font-size:21px;margin:12px 0 10px}
.flow p{font-size:15px;color:var(--sub)}

/* esg */
.esg3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.esg3 .card{padding:48px 36px}
.esg3 .letter{display:block;font-size:56px;font-weight:800;line-height:1;color:var(--point);margin-bottom:18px}
.policy{counter-reset:p;border-top:2px solid var(--ink)}
.policy li{counter-increment:p;display:grid;grid-template-columns:64px 1fr;gap:10px;padding:26px 0;border-bottom:1px solid var(--line)}
.policy li::before{content:counter(p,decimal-leading-zero);font-weight:800;color:var(--point);font-size:18px}
.policy b{display:block;font-size:18px;margin-bottom:6px}
.policy span{color:var(--sub);font-size:15.5px}
.report{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;border:1px solid var(--line);padding:36px 40px;background:#fff}
.report h3{font-size:21px}
.report p{color:var(--sub);font-size:15px;margin-top:6px}

/* careers */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line)}
.steps li{padding:34px 22px;text-align:center;border-right:1px solid var(--line);position:relative;background:#fff}
.steps li:last-child{border-right:0}
.steps i{display:block;font-style:normal;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--point)}
.steps b{display:block;font-size:19px;margin:10px 0 6px}
.steps span{font-size:14px;color:var(--sub)}
.faq details{border-bottom:1px solid var(--line)}
.faq{border-top:2px solid var(--ink)}
.faq summary{list-style:none;cursor:pointer;padding:24px 40px 24px 0;font-weight:700;font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";color:var(--point);margin-right:14px;font-weight:800}
.faq summary::after{content:"+";position:absolute;right:6px;top:20px;font-size:24px;font-weight:300;color:var(--mute)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 26px 30px;color:var(--sub)}
.empty{border:1px solid var(--line);padding:70px 30px;text-align:center;color:var(--sub)}
.empty b{display:block;font-size:20px;color:var(--ink);margin-bottom:8px}

/* board */
.board{border-top:2px solid var(--ink)}
.board .item{display:grid;grid-template-columns:90px 1fr 120px;gap:16px;align-items:center;padding:24px 8px;border-bottom:1px solid var(--line)}
.board .cat{font-size:13px;font-weight:700;color:var(--point)}
.board .tit{font-weight:600}
.board .date{font-size:14px;color:var(--mute);text-align:right}
.board details summary{list-style:none;cursor:pointer}
.board details summary::-webkit-details-marker{display:none}
.board details .txt{padding:6px 8px 30px 114px;color:var(--sub);border-bottom:1px solid var(--line);background:var(--soft);padding-top:24px}
.board details[open] .item{border-bottom-color:transparent}
.board-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px;font-size:14px;color:var(--mute)}
.dl-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dl-card{border:1px solid var(--line);display:flex;flex-direction:column}
.dl-card .thumb{aspect-ratio:4/3;background:var(--soft);display:grid;place-items:center;border-bottom:1px solid var(--line);overflow:hidden}
.dl-card .thumb img{width:100%;height:100%;object-fit:cover}
.dl-card .thumb.ph{font-size:13px;color:var(--mute);font-weight:600;letter-spacing:.1em}
.dl-card .info{padding:26px 26px 30px;display:flex;flex-direction:column;gap:6px;flex:1}
.dl-card .info i{font-style:normal;font-size:12px;font-weight:700;color:var(--point);letter-spacing:.1em}
.dl-card .info h3{font-size:19px}
.dl-card .info p{font-size:14px;color:var(--mute)}
.dl-card .btn{margin-top:auto;align-self:flex-start;height:44px;padding:0 20px;font-size:14px}
.dl-card .info .btn{margin-top:18px}

/* ===== main page ===== */
.hero{padding:calc(var(--hd) + clamp(56px,8vw,110px)) 0 clamp(60px,8vw,100px);position:relative;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(36px,5vw,80px);align-items:center}
.hero h1{font-size:clamp(38px,5.4vw,70px);font-weight:800;line-height:1.18;letter-spacing:-.045em}
.hero h1 em{font-style:normal;color:var(--point)}
.hero .lead{margin-top:28px}
.hero .cta{display:flex;gap:12px;margin-top:40px;flex-wrap:wrap}
.hero .media{aspect-ratio:4/3.1}
.hero .en{font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--mute);margin-bottom:20px}
.mission-band{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quick{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.quick a{padding:44px 34px 40px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;min-height:260px;transition:background .25s,color .25s}
.quick i{font-style:normal;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--point);transition:color .25s}
.quick b{font-size:24px;font-weight:800;margin-top:12px;letter-spacing:-.03em}
.quick span{font-size:15px;color:var(--sub);margin-top:10px;transition:color .25s}
.quick em{font-style:normal;margin-top:auto;font-size:22px}
.quick a:hover{background:var(--navy);color:#fff}
.quick a:hover i{color:#7FD3F2}.quick a:hover span{color:#C7D3E3}
.home-news{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,80px)}
.contact-band{background:var(--navy);color:#fff;padding:clamp(64px,8vw,96px) 0}
.contact-band .in{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.contact-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;letter-spacing:-.03em;line-height:1.4}
.contact-band p{color:#B8C7DA;margin-top:10px}
.contact-band .btn{border-color:#fff;color:#fff}
.contact-band .btn:hover{background:#fff;color:var(--ink)}

/* legal text */
.legal h2{font-size:20px;margin:44px 0 12px}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{color:var(--sub);font-size:15.5px}
.legal ul{margin:8px 0 0 4px}
.legal li{padding-left:12px;position:relative}
.legal li::before{content:"-";position:absolute;left:0}

/* ===== footer ===== */
.ft{background:#F2F3F3;border-top:1px solid var(--line);padding:56px 0 48px;font-size:14px;color:var(--sub)}
.ft-top{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid var(--line2);margin-bottom:28px}
.ft .logo{height:auto}
.ft .logo img{height:30px}
.ft-links{display:flex;gap:22px;flex-wrap:wrap;font-weight:600;color:var(--ink)}
.ft-links a:first-child{color:var(--point)}
.ft .row{display:flex;flex-wrap:wrap;gap:4px 22px;line-height:1.9}
.ft .copy{margin-top:22px;color:var(--mute);font-size:13px}

/* reveal */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ===== responsive ===== */
@media (max-width:1180px){
  .gnb>li{width:124px}
  .util{display:none}
}
@media (max-width:1000px){
  :root{--hd:68px}
  .gnb,.util{display:none}
  .burger{display:flex}
  .logo img{height:28px}
  .mnav{display:block;position:fixed;inset:var(--hd) 0 0 0;background:#fff;overflow-y:auto;padding:8px var(--gut) 40px;transform:translateX(100%);transition:transform .35s;z-index:49}
  .mnav.open{transform:none}
  .mnav details{border-bottom:1px solid var(--line)}
  .mnav summary{list-style:none;padding:20px 0;font-size:19px;font-weight:700;display:flex;justify-content:space-between}
  .mnav summary::-webkit-details-marker{display:none}
  .mnav summary::after{content:"+";font-weight:300;color:var(--mute)}
  .mnav details[open] summary::after{content:"−"}
  .mnav details a{display:block;padding:10px 0 10px 4px;color:var(--sub)}
  .mnav details div{padding-bottom:16px}
  .split,.product-hero,.hero-in,.home-news{grid-template-columns:1fr}
  .g3,.g4,.esg3,.dl-list,.quick{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr}
  .flow>div{border-right:0;border-bottom:1px solid var(--line)}
  .flow>div:last-child{border-bottom:0}
  .steps{grid-template-columns:1fr}
  .steps li{border-right:0;border-bottom:1px solid var(--line);text-align:left;display:grid;grid-template-columns:70px 1fr;column-gap:10px}
  .steps li b{margin:0}
  .steps li span{grid-column:2}
  .swatches{grid-template-columns:repeat(2,1fr)}
  .org .row{grid-template-columns:repeat(2,1fr)}
  .org .row::before,.org .row .box::before{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .g2,.g3,.g4,.esg3,.dl-list,.quick,.stats,.people{grid-template-columns:1fr}
  .kv>div{grid-template-columns:1fr;gap:4px}
  .board .item{grid-template-columns:1fr;gap:4px}
  .board .date{text-align:left}
  .board details .txt{padding-left:8px}
  .card,.person{padding:32px 26px}
  .quick a{min-height:0}
  .quick em{margin-top:18px}
  .map{height:320px}
  .report{padding:28px 24px}
}

/* ===== blue visual system (no photos) ===== */
.viz{position:relative;aspect-ratio:1/1;max-width:560px;margin-left:auto;width:100%}
.viz .panel{position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 35% 30%,#F3FAFE 0%,#E6F1FB 45%,#DCE7F6 100%)}
.viz svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.viz .sym{position:absolute;left:50%;top:50%;width:30%;transform:translate(-50%,-50%)}
.viz .orbit{transform-origin:50% 50%;animation:spin 60s linear infinite}
.viz .orbit.r{animation-duration:90s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.viz .orbit{animation:none}}
.grad-band{background:var(--grad);color:#fff}
.grad-band .eyebrow{color:#CDEFFC}
.grad-band .lead,.grad-band .body{color:#E3ECF8}
.dots{background-image:radial-gradient(var(--line2) 1px,transparent 1px);background-size:22px 22px}
.product-stage{background:linear-gradient(180deg,#F4F7FA 0%,#fff 100%);border:1px solid var(--line);padding:clamp(28px,4vw,56px)}
.product-stage img{width:100%;height:auto}
.icon{width:48px;height:48px;border-radius:50%;background:var(--point-soft);display:grid;place-items:center;margin-bottom:22px}
.icon svg{width:24px;height:24px;stroke:var(--point);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:1000px){.viz{max-width:420px;margin:0 auto}}