:root{
  --night:#061626;
  --night-2:#0A2236;
  --ink:#0E2233;
  --muted:#4C6273;
  --rule:#DDE5EC;
  --paper:#FFFFFF;
  --mist:#F3F7FA;
  --blue:#0567A8;
  --blue-deep:#043A62;
  --cyan:#1CB8EC;
  --on-dark:#FFFFFF;
  --on-dark-muted:#A9BDCC;
  --e-reveal:cubic-bezier(.16,1,.3,1);
  --e-soft:cubic-bezier(.25,.8,.3,1);
  --gutter:clamp(20px,4vw,56px);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
/* 브랜드 사이트는 라이트 고정. 다크 토큰은 data-theme="light"를 지울 때만 적용 */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){--ink:#E6EEF4;--muted:#9FB3C3;--rule:#1E3346;--paper:#0B1622;--mist:#102233;--blue:#5CC3F0}
}
:root[data-theme="dark"]{--ink:#E6EEF4;--muted:#9FB3C3;--rule:#1E3346;--paper:#0B1622;--mist:#102233;--blue:#5CC3F0}

*,*::before,*::after{box-sizing:border-box}
html{background:var(--night);scroll-behavior:smooth;scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:'IBM Plex Sans KR','Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  font-size:17px;line-height:1.65;word-break:keep-all;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%}
a{color:var(--blue)}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{max-width:1320px;margin:0 auto;padding:0 var(--gutter)}

/* ───────── HERO ───────── */
.hero{position:relative;height:100vh;height:100svh;min-height:600px;overflow:hidden;background:var(--night);color:var(--on-dark)}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(6,22,38,.72) 0%,rgba(6,22,38,.32) 40%,rgba(6,22,38,0) 70%),
    linear-gradient(0deg,rgba(6,22,38,.7) 0%,rgba(6,22,38,0) 40%)}

.nav{position:absolute;top:0;left:0;right:0;z-index:4}
.nav .wrap{height:76px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;color:var(--on-dark);text-decoration:none}
.logo img{width:32px;height:32px}
.logo span{font-weight:700;font-size:20px;letter-spacing:.06em}
.nav-links{display:flex;gap:34px;margin-left:auto;font-size:15px}
.nav-links a{color:#C3D3E0;text-decoration:none;transition:color .18s ease}
.nav-links a:hover{color:#fff}
.nav-cta{margin-left:12px;color:var(--night);background:#fff;text-decoration:none;font-size:15px;font-weight:600;padding:10px 18px;border-radius:999px;transition:background .18s ease}
.nav-cta:hover{background:#E6F5FD}
.burger{display:none;margin-left:auto;width:46px;height:40px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:999px;cursor:pointer;align-items:center;justify-content:center;padding:0}
.burger span,.burger span::before,.burger span::after{display:block;width:16px;height:1.5px;background:#E6EEF4;border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-5px}.burger span::after{top:5px}
.menu{display:none}
@keyframes menuIn{from{opacity:0;transform:translateY(-6px) scale(.985)}to{opacity:1;transform:none}}

.hero-inner{position:absolute;left:0;right:0;bottom:clamp(48px,11vh,128px);z-index:2}
.hero-inner .wrap{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:clamp(28px,4vh,48px)}
.hero h1{grid-column:1 / -1;margin:0;font-weight:600;
  font-size:min(96px,calc((100vw - 48px) / 11.2));line-height:1.12;letter-spacing:-.035em}
.ln{display:block}.ln-i{display:block}
.hero-side{grid-column:8 / -1;display:flex;flex-direction:column;gap:26px}
.sub{margin:0;font-size:clamp(16px,1.25vw,18.5px);line-height:1.7;font-weight:300;color:var(--on-dark-muted)}
.ctas{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;font-size:15.5px;font-weight:600;text-decoration:none;white-space:nowrap;transition:background .18s ease,border-color .18s ease}
.btn-primary{background:var(--cyan);color:var(--night)}
.btn-primary:hover{background:#4FCBF2}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.22);background:rgba(6,22,38,.4)}
.btn-ghost:hover{border-color:rgba(255,255,255,.45)}

/* ───────── BODY SYSTEM ─────────
   모든 섹션이 같은 규칙을 따른다.
   · 섹션 여백: --sec-y (위아래 동일). 마지막 내용의 아래 여백은 0이라 섹션 여백만 남는다.
   · 12컬럼: 왼쪽 3칸 섹션명, 오른쪽 9칸 본문.
   · 본문 목록(.row): 이름 4 : 설명 5. 사업영역·제품·키오스크·개발 실적·문의가 같은 세로선에 맞는다.
   · 목록은 항목 사이에만 구분선. 처음과 끝에는 선이 없다.
   · 글자 단계: 섹션명 15 / 보조 라벨 14 / 본문 17 / 리드 18–21 / 항목 제목 21–24 / 표제 */
:root{--sec-y:clamp(72px,9vw,128px);--item-y:26px}

.sec{border-top:1px solid var(--rule)}
.sec .wrap,.band .wrap{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding-top:var(--sec-y);padding-bottom:var(--sec-y)}
.sec-title{grid-column:1 / span 3;margin:0;padding-top:4px;font-size:15px;font-weight:600;line-height:1.5;color:var(--muted);letter-spacing:.01em}
.sec-body{grid-column:4 / -1;min-width:0}

.lead{margin:0;font-size:clamp(18px,1.5vw,21px);line-height:1.65;font-weight:400;letter-spacing:-.015em;color:var(--ink);max-width:34em;text-wrap:pretty}
.lead + .rows{margin-top:48px}
.after{margin:36px 0 0}

/* intro */
.intro .sec-title{padding-top:10px}
.statement{margin:0;font-size:clamp(24px,2.6vw,38px);line-height:1.5;font-weight:500;letter-spacing:-.02em;max-width:24em}
.note{margin:28px 0 0;color:var(--muted);text-wrap:balance}

/* rows */
.rows{list-style:none;margin:0;padding:0}
.row{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,5fr);column-gap:24px;row-gap:8px;align-items:baseline;padding:var(--item-y) 0;border-top:1px solid var(--rule)}
.row:first-child{border-top:0;padding-top:0}
.row:last-child{padding-bottom:0}
.row h3{margin:0;font-size:clamp(20px,1.7vw,24px);font-weight:600;letter-spacing:-.015em;line-height:1.35}
.row p{margin:0;color:var(--muted)}

/* products: 큰 항목이라 항목 간격만 넓다 */
.row.product{--item-y:48px;align-items:start}
.product .kind{display:block;margin-bottom:8px;font-size:14px;font-weight:600;line-height:1.5;color:var(--blue)}
.product h3{font-size:clamp(34px,3.6vw,52px);letter-spacing:-.03em;line-height:1.1}
.row .lead{color:var(--ink)}
.product .lead{margin-bottom:22px}
.product ul{list-style:none;margin:0 0 26px;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;color:var(--muted)}
.product li{padding-left:18px;position:relative}
.product li::before{content:"";position:absolute;left:0;top:.8em;width:8px;height:1.5px;background:var(--blue)}
.dl{display:inline-block;font-weight:600;font-size:16px;text-decoration:none;border-bottom:1.5px solid currentColor;padding-bottom:2px}
.dl:hover{color:var(--blue-deep)}

/* kiosk timeline */
.tl-head{display:flex;align-items:baseline;gap:24px;min-width:0}
.tl-year{flex:none;width:96px;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.tl-year strong{font-size:clamp(24px,2.1vw,30px);font-weight:600;letter-spacing:-.03em;line-height:1}
.tl-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;line-height:1.2;color:var(--blue);background:#E8F4FB;border-radius:999px;padding:4px 10px;white-space:nowrap}
.tl-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.tl-event{min-width:0}
.tl-event h3{font-size:clamp(19px,1.5vw,21px)}
.tl-event p{margin:4px 0 0;font-size:15px}
.row .tl-placeholder{color:#9AABB8}

/* contact */
.contact-value{font-size:clamp(18px,1.5vw,21px);font-weight:500;line-height:1.5;letter-spacing:-.01em;color:var(--ink);text-decoration:none;overflow-wrap:anywhere}
a.contact-value:hover{color:var(--blue)}
.contact-addr{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.nb{white-space:nowrap}
.map-link{font-weight:600;font-size:16px;text-decoration:none;border-bottom:1.5px solid currentColor;padding-bottom:2px}

/* deep band */
.band{background:var(--blue-deep);color:#fff}
.band .wrap{row-gap:72px}
.band .sec-title{color:#8FC7EA;padding-top:0}
.mv{grid-column:4 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px}
.mv h3{margin:0 0 10px;font-size:14px;line-height:1.5;font-weight:600;color:#8FC7EA}
.mv .lead{color:#fff}
.flow{grid-column:4 / -1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));position:relative}
.flow::before{content:"";position:absolute;left:16.66%;right:16.66%;top:29px;border-top:1.5px dashed rgba(143,199,234,.5)}
.node{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:0 12px}
.dot{width:58px;height:58px;border-radius:50%;border:1.5px solid #8FC7EA;background:var(--blue-deep);display:flex;align-items:center;justify-content:center}
.dot i{width:12px;height:12px;border-radius:50%;background:#8FC7EA}
.node.core .dot{background:var(--cyan);border-color:var(--cyan)}
.node.core .dot i{background:var(--blue-deep)}
.node h4{margin:0;font-size:clamp(20px,1.7vw,24px);font-weight:600;line-height:1.35}
.node p{margin:0;font-size:15px;color:#C5DCEC;max-width:17em;text-wrap:balance}
.fl{position:absolute;top:2px;transform:translateX(-50%);font-size:14px;line-height:1;color:#8FC7EA;font-weight:500;white-space:nowrap;background:var(--blue-deep);padding:0 10px}
.fl1{left:33.33%}.fl2{left:66.66%}
.values-title{grid-column:1 / span 3}
.values{grid-column:4 / -1;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px}
.values li{padding:var(--item-y) 0;border-top:1px solid rgba(143,199,234,.28)}
.values li:nth-child(-n+2){border-top:0;padding-top:0}
.values li:nth-last-child(-n+2){padding-bottom:0}

/* partners */
.logos{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.logos div{background:var(--paper);height:96px;display:flex;align-items:center;justify-content:center;font-size:13px;color:#8A9BA8}
.logos div img{display:block;max-width:72%;max-height:44px;object-fit:contain;filter:grayscale(1);opacity:.72;transition:filter .25s ease,opacity .25s ease}
.logos div:hover img{filter:none;opacity:1}
.logos div.missing::after{content:attr(data-label);font-size:13px;color:#8A9BA8}

footer{background:var(--night);color:#8DA2B3;font-size:14.5px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding-top:40px;padding-bottom:40px}
footer .logo span{font-size:17px}

/* ───────── 404 ───────── */
.hero--404 .eyebrow-code{grid-column:1 / -1;margin:0 0 -8px;font-size:15px;font-weight:600;color:var(--cyan);letter-spacing:.08em}
.hero--404 h1{font-size:min(84px,calc((100vw - 48px) / 13.4))}

/* ───────── RESPONSIVE ───────── */
@media (max-width:980px){
  .nav-links,.nav-cta{display:none}
  .burger{display:flex}
  .menu{position:absolute;top:70px;right:var(--gutter);width:min(300px,calc(100vw - 40px));z-index:5;
    background:rgba(8,26,42,.92);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:8px;flex-direction:column;
    box-shadow:0 24px 60px rgba(0,0,0,.5);transform-origin:top right}
  .menu.open{display:flex;animation:menuIn .18s ease both}
  .menu a{color:#DCE6EE;text-decoration:none;font-size:16px;padding:13px 14px;border-radius:12px}
  .menu a:hover{background:rgba(255,255,255,.06)}
  .menu .m-cta{background:#fff;color:var(--night);font-weight:600;text-align:center;margin-top:6px}
  .hero-side{grid-column:1 / -1;max-width:560px}
  .sec-title,.values-title{grid-column:1 / -1;margin-bottom:24px;padding-top:0}
  .intro .sec-title{padding-top:0}
  .sec-body,.mv,.values,.flow{grid-column:1 / -1}
  .band .wrap{row-gap:0}
  .band .mv,.band .flow{margin-bottom:64px}
  .logos{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:640px){
  :root{--item-y:22px}
  .row{grid-template-columns:minmax(0,1fr)}
  .row.product{--item-y:40px}
  .product ul,.mv,.values{grid-template-columns:minmax(0,1fr)}
  .values li:nth-child(2){border-top:1px solid rgba(143,199,234,.28);padding-top:var(--item-y)}
  .values li:nth-last-child(2){padding-bottom:var(--item-y)}
  .tl-year{width:72px}
  .flow{grid-template-columns:minmax(0,1fr);row-gap:36px}
  .flow::before,.fl{display:none}
  .logos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ctas .btn{flex:1 1 auto}
}

/* ───────── ENTRANCE ─────────
   네트워크 노드가 오른쪽부터 켜지고(캔버스), 이어서 제목이 왼쪽→오른쪽으로 쓸려 드러난다.
   html.js-reveal 은 스크립트가 붙이며, 동작 줄이기 설정이면 붙이지 않는다. */
html.js-reveal [data-reveal]{opacity:0;transform:translateY(10px);
  transition:opacity .7s var(--e-soft),transform .8s var(--e-reveal);transition-delay:var(--d,0s)}
html.js-reveal .ln-i{clip-path:inset(-25% 100% -25% 0);
  transition:clip-path 1.15s cubic-bezier(.65,0,.15,1);transition-delay:var(--d,0s)}
html.js-reveal.revealed [data-reveal]{opacity:1;transform:none}
html.js-reveal.revealed .ln-i{clip-path:inset(-25% -4% -25% 0)}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}