:root{--ink:#111421;--night:#0a0d22;--navy:#0b1f6b;--blue:#1f4fe0;--blue-l:#3d7bff;--sub:#5d6478;--line:#e4e8f1;--soft:#eef1fb}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;line-height:1.6;word-break:keep-all}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* header */
.top{position:fixed;inset:0 0 auto 0;z-index:20;background:rgba(10,13,34,.72);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand img{height:30px;width:auto}
nav{display:flex;align-items:center;gap:26px;font:700 13px/1 "Montserrat",sans-serif;letter-spacing:.06em}
nav a{color:#c9cfe4;text-decoration:none}
nav a:hover{color:#fff}
.nav-cta{color:#fff!important;border:1px solid rgba(255,255,255,.5);padding:9px 16px;border-radius:999px}

/* type */
.kicker{font:800 13px/1 "Montserrat",sans-serif;letter-spacing:.18em;color:var(--blue-l);margin:0 0 14px}
.kicker.blue{color:var(--blue);background:none}
.display{font:900 clamp(34px,6vw,64px)/1.02 "Montserrat",sans-serif;letter-spacing:-.01em;margin:0 0 28px;color:#fff}
.display.ink{color:var(--ink)}
.section{padding:110px 0}
.dark{background:var(--night);color:#e7eaf6}
.blue{background:linear-gradient(135deg,#1638c9 0%,#2257f0 100%);color:#fff}
.lead{font-size:19px;max-width:720px;margin:0 0 56px}
.lead .sub{display:block;margin-top:8px;font-size:14px;color:#8f98bd;font-family:"Montserrat",sans-serif;font-weight:700;letter-spacing:.02em}

/* hero */
.hero{min-height:100vh;display:flex;align-items:flex-end;background-size:cover;background-position:center;color:#fff;padding:140px 0 100px}
.hero h1{font-size:clamp(36px,6.4vw,72px);line-height:1.15;margin:0 0 36px;font-weight:800;letter-spacing:-.02em}
.hero .en{font-family:"Montserrat",sans-serif;font-weight:900;color:var(--blue-l)}
.ops{list-style:none;padding:0;margin:0 0 44px;display:grid;grid-template-columns:repeat(4,max-content);gap:10px 34px;font-size:18px;color:#dfe4f7}
.ops b{display:inline-block;width:30px;font:900 22px/1 "Montserrat",sans-serif;color:var(--blue-l)}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:15px 30px;border-radius:999px;font-weight:700;text-decoration:none}
.btn:hover{background:var(--blue-l)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid rgba(255,255,255,.14)}
.stats div{padding:28px 6px 0}
.stats strong{display:block;font:900 clamp(34px,4.4vw,52px)/1 "Montserrat",sans-serif;color:#fff}
.stats strong i{font-style:normal;font-size:.45em;color:var(--blue-l);margin-left:3px;font-family:"Pretendard",sans-serif;font-weight:800}
.stats span{display:block;margin-top:10px;font-size:15px;color:#9aa3c7}

/* business */
.biz{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.biz article{background:var(--soft);border-radius:18px;padding:30px 24px;transition:transform .2s}
.biz article:hover{transform:translateY(-4px)}
.num{font:900 15px/1 "Montserrat",sans-serif;color:var(--blue);margin:0 0 18px}
.biz h3,.plat h3{font:900 21px/1.15 "Montserrat",sans-serif;margin:0 0 8px}
.ko{font-weight:700;color:var(--blue);margin:0 0 14px;font-size:15px}
.biz p{margin:0 0 14px;font-size:15px;color:var(--sub)}
.biz ul{margin:0;padding:14px 0 0;border-top:1px solid #d7ddef;list-style:none;font-size:14px;color:var(--ink)}
.biz li{padding:4px 0 4px 14px;position:relative}
.biz li:before{content:"";position:absolute;left:0;top:13px;width:5px;height:5px;border-radius:50%;background:var(--blue)}

/* platform */
.plat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plat article{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:34px 28px}
.plat .ko{color:#bcd0ff}
.plat p{margin:0;color:#e6ecff}

/* photo */
.photo-band{height:min(56vw,520px);background-size:cover;background-position:center}

/* portfolio */
.pf-hero{position:relative;overflow:hidden;background:#121214 radial-gradient(ellipse 60% 70% at 62% 55%,rgba(37,84,240,.55),transparent 70%);color:#fff;padding:150px 0 120px}
.pf-hero .wrap{position:relative}
.ghost{position:absolute;font:900 clamp(70px,13vw,170px)/1 "Montserrat",sans-serif;color:#13286e;opacity:.75;white-space:nowrap;pointer-events:none}
.ghost.g1{left:-10px;top:-70px}
.ghost.g2{right:-20px;bottom:-110px}
.pf-hero .kicker,.pf-title{position:relative}
.pf-title{font:900 clamp(56px,11vw,128px)/1 "Montserrat",sans-serif;margin:0;letter-spacing:-.01em}
.pf-body{background:#ececee;padding:80px 0 90px}
.pf-layout{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:start}
.pf-tabs{display:flex;flex-direction:column;gap:10px;position:sticky;top:96px}
.pf-tabs button{all:unset;cursor:pointer;font:600 20px/1 "Montserrat",sans-serif;color:var(--ink);border:1.5px solid #2a2b33;border-radius:999px;padding:14px 26px;width:max-content;transition:background .2s,color .2s}
.pf-tabs button:hover{background:#fff}
.pf-tabs button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.pf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pf-grid figure{position:relative;margin:0;border-radius:16px;overflow:hidden;background:#fff;aspect-ratio:16/9.2;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.pf-grid figure[hidden]{display:none}
.pf-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pf-grid figcaption{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px;padding:16px;background:rgba(36,42,92,.82);color:#fff;opacity:0;transition:opacity .25s}
.pf-grid figure:hover figcaption,.pf-grid figure:focus-within figcaption{opacity:1}
.pf-grid figure:hover img{transform:scale(1.05)}
.pf-grid em{font:700 12px/1 "Montserrat",sans-serif;font-style:normal;letter-spacing:.08em;color:#a9bcff}
.pf-grid strong{font-size:26px;font-weight:800;line-height:1.25}
.pf-grid span{font-size:14px;color:#dfe4ff}
@media (hover:none){
  .pf-grid figcaption{opacity:1;inset:auto 0 0 0;align-items:flex-start;text-align:left;background:linear-gradient(0deg,rgba(20,24,60,.9),rgba(20,24,60,0));padding:40px 16px 14px}
  .pf-grid strong{font-size:18px}
}

/* 모바일 슬라이드 좌우 버튼 (PC에서는 숨김) */
.slider{position:relative;min-width:0}
.sl-btn{display:none}

/* news */
.news{background:#f6f7fa;padding:100px 0 110px}
.news-title{font:800 clamp(34px,5vw,52px)/1.1 "Montserrat",sans-serif;margin:0 0 40px;color:#2a2c35}
.news-title b{color:var(--blue)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 26px}
.news-grid a{text-decoration:none;color:var(--ink);display:flex;flex-direction:column}
.news-grid img{width:100%;aspect-ratio:2.2/1;object-fit:cover;border-radius:16px;border:1px solid var(--line);transition:transform .3s}
.news-grid a:hover img{transform:translateY(-4px)}
.news-grid em{font-style:normal;font-size:13px;font-weight:700;color:var(--blue);margin:16px 0 6px}
.news-grid strong{font-size:17px;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-grid a:hover strong{color:var(--blue)}
.news-grid time{margin-top:8px;font-size:14px;color:#8a8fa0}

/* footer */
.foot{background:#1c1c1f;color:#b9bccb;padding:64px 0 40px;font-size:14px}
.foot a{color:#fff;text-decoration:none}
.foot-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:36px;border-bottom:1px solid #34353c}
.foot-logo{height:30px;width:auto;max-width:none;align-self:flex-start;flex:none}
.foot dl{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,auto));gap:18px 48px}
.foot dt{font-weight:700;color:#fff;margin-bottom:4px}
.foot dd{margin:0;color:#d6d8e2;font-size:15px}
.foot-legal{padding-top:26px}
.foot-legal p{margin:3px 0}
.copy{margin-top:14px!important;color:#7d8092}

/* doc (privacy) */
.doc{max-width:820px;padding-top:110px;padding-bottom:60px}
.doc h1{font-size:30px;margin:0 0 10px}
.doc h2{font-size:19px;margin:34px 0 10px}
.doc table{width:100%;border-collapse:collapse;font-size:15px;margin:8px 0}
.doc th,.doc td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
.doc th{background:var(--soft)}

@media (max-width:900px){
  .biz{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(3,1fr);row-gap:24px}
  .ops{grid-template-columns:repeat(2,max-content)}
  nav a:not(.nav-cta){display:none}
  .pf-layout{grid-template-columns:1fr}
  .pf-tabs{flex-direction:row;flex-wrap:wrap;position:static}
  .pf-tabs button{font-size:16px;padding:11px 20px}
  .pf-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .section{padding:80px 0}
  .plat{grid-template-columns:1fr}
  /* 사업영역: 모바일 2x2, 상세 bullet은 숨김 */
  .biz{grid-template-columns:1fr 1fr;gap:10px}
  .biz article{padding:20px 14px;border-radius:14px}
  .num{margin-bottom:10px;font-size:12px}
  .biz h3{font-size:14px;line-height:1.2}
  .biz .ko{font-size:12px;margin-bottom:8px}
  .biz p{font-size:12.5px;line-height:1.5;margin:0}
  .biz ul{display:none}
  /* 포트폴리오: 모바일 가로 슬라이드 */
  .pf-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin:0 -20px;padding:0 20px 8px;scroll-padding:0 20px;scrollbar-width:none}
  .pf-layout{gap:20px}
  .pf-body{padding:56px 0 64px}
  .pf-grid::-webkit-scrollbar{display:none}
  .pf-grid figure{flex:0 0 84%;scroll-snap-align:start}
  .news-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin:0 -20px;padding:0 20px 8px;scroll-padding:0 20px;scrollbar-width:none}
  .news-grid::-webkit-scrollbar{display:none}
  .news-grid a{flex:0 0 84%;scroll-snap-align:start}
  .sl-btn{display:flex;align-items:center;justify-content:center;position:absolute;top:calc(50% - 22px);z-index:2;width:38px;height:38px;border-radius:50%;border:0;background:rgba(17,20,33,.72);color:#fff;font-size:26px;line-height:1;padding:0 0 3px;cursor:pointer;transition:opacity .2s}
  .sl-btn.prev{left:-8px}
  .sl-btn.next{right:-8px}
  .sl-btn:disabled{opacity:0;pointer-events:none}
  .news .sl-btn{top:calc((100vw - 40px) * .84 / 2.2 / 2 - 19px)}
  .stats{grid-template-columns:1fr 1fr}
  .ops{grid-template-columns:1fr}
  .foot-top{flex-direction:column}
  .foot dl{grid-template-columns:1fr}
  .hero{padding-bottom:70px}
  .news{padding:80px 0}
  .pf-hero{padding:120px 0 90px}
}