@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');

/* ===== Tokens ===== */
:root{
  --ink:#0E1B33;        /* 본문·제목 */
  --ink-2:#4A5873;      /* 보조 텍스트 */
  --blue:#1F4FD8;       /* 두성 블루 (주색) */
  --blue-deep:#0B2A7A;
  --orange:#FF8A1F;     /* 로고 오렌지: '흐름'에만 사용 */
  --surface:#EEF1F6;
  --line:#D6DCE6;
  --white:#FFFFFF;
  --max:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Pretendard Variable',Pretendard,'Malgun Gothic',sans-serif;color:var(--ink);background:var(--white);
  font-size:17px;line-height:1.75;word-break:keep-all;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== Type scale ===== */
.display{font-size:clamp(38px,5.4vw,70px);line-height:1.08;font-weight:800;letter-spacing:-.045em}
.h2{font-size:clamp(30px,3.6vw,48px);line-height:1.2;font-weight:800;letter-spacing:-.035em}
.h3{font-size:22px;line-height:1.4;font-weight:700;letter-spacing:-.02em}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--ink-2);max-width:36em}
.small{font-size:14px;color:var(--ink-2)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.4) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;font-size:19px}
.logo-mark{width:28px;height:28px;flex:none}
.logo b{font-weight:800}
.logo span{font-weight:500;color:var(--ink-2)}
.gnb{display:flex;align-items:center;gap:4px}
.gnb>li{position:relative}
.gnb>li>a{display:block;padding:10px 16px;border-radius:8px;font-weight:600;font-size:16px;color:var(--ink-2)}
.gnb>li>a:hover{color:var(--ink);background:var(--surface)}
.gnb>li.on>a{color:var(--blue)}
.gnb .sub{position:absolute;top:calc(100% + 6px);left:0;min-width:168px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:8px;opacity:0;visibility:hidden;transform:translateY(-4px);transition:.18s var(--ease)}
.gnb>li:hover .sub,.gnb>li:focus-within .sub{opacity:1;visibility:visible;transform:none}
.gnb .sub a{display:block;padding:8px 12px;border-radius:6px;font-size:15px;color:var(--ink-2)}
.gnb .sub a:hover{background:var(--surface);color:var(--ink)}
.gnb .cta-link>a{background:var(--ink);color:#fff;margin-left:8px;padding:10px 18px}
.gnb .cta-link>a:hover{background:var(--blue);color:#fff}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer}
.menu-btn i{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:.2s}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;height:52px;padding:0 24px;border-radius:999px;font-weight:700;font-size:16px;
  border:1.5px solid transparent;transition:background .15s,color .15s,border-color .15s;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--ink)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--surface)}

/* ===== Hero ===== */
.hero{padding:72px 0 96px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center}
.hero .display{margin-bottom:28px}
.hero .lead{margin-bottom:36px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .proof{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;gap:36px;flex-wrap:wrap}
.hero .proof div{font-size:14px;color:var(--ink-2);line-height:1.5}
.hero .proof b{display:block;color:var(--ink);font-size:22px;font-weight:800;letter-spacing:-.02em}

/* Flow: 지출결의서가 하나의 시스템 안에서 흘러가는 모습 */
.flow{position:relative;background:var(--ink);color:#fff;border-radius:28px;padding:36px 32px 28px}
.flow-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;font-size:14px;color:#9FB0D0}
.flow-head strong{color:#fff;font-size:16px}
.flow-doc{display:inline-flex;align-items:center;gap:6px;background:rgba(255,138,31,.15);color:var(--orange);
  padding:4px 10px;border-radius:999px;font-weight:700;font-size:13px}
.flow ol{position:relative;padding-left:44px}
.flow ol::before{content:"";position:absolute;left:15px;top:14px;bottom:14px;width:2px;background:rgba(255,255,255,.14)}
.flow .track{position:absolute;left:15px;top:14px;width:2px;height:0;background:var(--orange);transition:height .6s var(--ease)}
.flow li{position:relative;padding:12px 0 18px;opacity:.45;transition:opacity .4s}
.flow li.done,.flow li.now{opacity:1}
.flow li::before{content:attr(data-n);position:absolute;left:-44px;top:10px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:700;background:#1C2C4D;color:#9FB0D0;transition:.3s}
.flow li.done::before{background:#fff;color:var(--ink)}
.flow li.now::before{background:var(--orange);color:#fff;box-shadow:0 0 0 6px rgba(255,138,31,.22)}
.flow li b{display:block;font-size:18px;font-weight:700;letter-spacing:-.02em}
.flow li small{display:block;font-size:14px;color:#9FB0D0}
.flow li em{position:absolute;right:0;top:14px;font-style:normal;font-size:12px;padding:2px 9px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);color:#C9D4EA}
.flow-foot{margin-top:6px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:14px;color:#9FB0D0}
.flow-foot b{color:#fff}

/* ===== Sections ===== */
.sec{padding:120px 0}
.sec-surface{background:var(--surface)}
.sec-ink{background:var(--ink);color:#fff}
.sec-ink .lead{color:#AEBBD6}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:64px}
.sec-head .lead{justify-self:end}

/* Products: 하나의 시스템 안의 다섯 모듈 */
.system{display:grid;grid-template-columns:repeat(3,1fr);border:1.5px solid var(--ink);border-radius:24px;overflow:hidden;background:#fff}
.module{padding:32px 26px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;min-height:320px;transition:background .2s}
.module:nth-child(3n){border-right:0}
.module:hover{background:var(--surface)}
.module .tag{font-size:13px;font-weight:700;color:var(--blue)}
.module .h3{margin:40px 0 10px}
.module p{font-size:15px;color:var(--ink-2);line-height:1.65;flex:1}
.module .go{margin-top:20px;font-size:14px;font-weight:700;text-decoration:underline;text-underline-offset:4px}
.system-bar{grid-column:1/-1;background:var(--ink);color:#fff;padding:16px 26px;font-size:15px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.system-bar b{color:var(--orange)}

/* Reasons: 2열 문장형 */
.reasons{display:grid;grid-template-columns:repeat(2,1fr);gap:0 64px}
.reason{padding:32px 0;border-top:1px solid var(--line)}
.reason .h3{margin-bottom:8px}
.reason p{color:var(--ink-2)}

/* Services */
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border-radius:20px;overflow:hidden}
.service{background:var(--ink);padding:36px 28px}
.service .h3{margin-bottom:10px}
.service p{color:#AEBBD6;font-size:15px}

/* Quote / CTA */
.quote-band{padding:120px 0}
.quote-band blockquote{font-size:clamp(28px,3.6vw,46px);font-weight:700;letter-spacing:-.035em;line-height:1.35;max-width:22em}
.quote-band cite{display:block;margin-top:24px;font-style:normal;font-size:16px;color:var(--ink-2)}
.cta-band{background:var(--blue);color:#fff;border-radius:32px;padding:64px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band .h2{max-width:14em}
.cta-band p{color:#D4DEFA;margin-top:10px}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{border-color:#fff}

/* ===== Sub pages ===== */
.page-head{padding:88px 0 56px;border-bottom:1px solid var(--line)}
.page-head .crumb{font-size:14px;color:var(--ink-2);margin-bottom:18px}
.page-head .crumb a:hover{color:var(--blue)}
.page-head .lead{margin-top:20px}
.layout{display:grid;grid-template-columns:220px 1fr;gap:72px;padding:72px 24px 120px}
.side{position:sticky;top:100px;align-self:start}
.side a{display:block;padding:9px 0 9px 16px;border-left:2px solid var(--line);color:var(--ink-2);font-weight:600;font-size:15px}
.side a:hover{color:var(--ink)}
.side a.on{color:var(--blue);border-left-color:var(--blue)}
.block{padding-bottom:96px;scroll-margin-top:100px}
.block:last-child{padding-bottom:0}
.block>.h2{margin-bottom:28px}
.block>.lead{margin:-12px 0 36px}

.ceo{display:grid;grid-template-columns:1fr;gap:28px}
.ceo .big{font-size:clamp(32px,4vw,56px);font-weight:800;letter-spacing:-.045em;line-height:1.15}
.ceo .big span{display:block;color:var(--ink-2);font-weight:500;font-size:.42em;letter-spacing:-.02em;margin-top:14px;line-height:1.5}
.ceo .body{columns:2;column-gap:48px}
.ceo .body p{margin-bottom:18px;break-inside:avoid}
.ceo .sign{font-weight:700}

.history{border-top:1.5px solid var(--ink)}
.history .row{display:grid;grid-template-columns:140px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.history .yr{font-size:30px;font-weight:800;letter-spacing:-.04em;line-height:1.2;color:var(--blue)}
.history li{padding:3px 0}

.clients{display:flex;flex-wrap:wrap;gap:10px}
.clients li{padding:10px 18px;border:1px solid var(--line);border-radius:999px;font-weight:600;font-size:15px;background:#fff}

.map{border-radius:20px;overflow:hidden;height:360px;background:var(--surface);margin-bottom:28px}
.map iframe{width:100%;height:100%;border:0}
.dl{display:grid;grid-template-columns:120px 1fr;border-top:1.5px solid var(--ink)}
.dl dt,.dl dd{padding:16px 0;border-bottom:1px solid var(--line)}
.dl dt{font-weight:700}
.dl dd a{color:var(--blue);font-weight:600}
.row-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}

/* products page */
.groups{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.group{padding:20px 0;border-top:1px solid var(--line)}
.group h4{font-size:16px;font-weight:700;margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{font-size:14px;padding:4px 12px;border-radius:999px;background:var(--surface);color:var(--ink-2)}
.feats{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.feat{padding:22px 0;border-top:1px solid var(--line)}
.feat h4{font-size:18px;font-weight:700;letter-spacing:-.02em;margin-bottom:4px}
.feat p{color:var(--ink-2);font-size:16px}
.cost{display:grid;grid-template-columns:repeat(7,1fr);margin-top:40px;border:1.5px solid var(--ink);border-radius:18px;overflow:hidden}
.cost li{padding:18px 14px;border-right:1px solid var(--line);font-size:14px;font-weight:600;line-height:1.45}
.cost li:last-child{border-right:0;background:var(--ink);color:#fff}
.cost li b{display:block;color:var(--orange);font-size:20px;font-weight:800;margin-bottom:6px}
.cost-title{margin-top:48px;font-size:18px;font-weight:700}

/* support / demo */
.contact{display:grid;grid-template-columns:1fr 1.2fr;gap:56px}
.phone{font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:-.03em;line-height:1.3}
.form label{display:block;font-weight:700;font-size:14px;margin:18px 0 6px}
.form input,.form select,.form textarea{width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;font:inherit;font-size:16px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue)}
.form textarea{min-height:150px;resize:vertical}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .btn{margin-top:24px}
.hint{font-size:14px;color:var(--ink-2);margin-top:12px}
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.tile{border:1.5px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:8px;background:#fff}
.tile p{color:var(--ink-2)}
.tile .btn{align-self:flex-start;margin-top:12px}
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.apps a{border:1.5px solid var(--line);border-radius:16px;padding:20px;display:block;transition:border-color .15s}
.apps a:hover{border-color:var(--blue)}
.apps b{display:block;font-size:16px}
.apps small{color:var(--ink-2)}
.badge{display:inline-block;font-size:11px;font-weight:700;padding:1px 7px;border-radius:999px;background:var(--orange);color:#fff;margin-left:6px;vertical-align:2px}
.accounts{width:100%;border-collapse:collapse;border-top:1.5px solid var(--ink)}
.accounts th,.accounts td{padding:14px 8px;border-bottom:1px solid var(--line);text-align:left}
.accounts th{font-size:14px;color:var(--ink-2);font-weight:600}
.accounts td{font-weight:700;font-variant-numeric:tabular-nums}
.demo-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:start}
.url{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.03em;color:var(--blue);margin:8px 0 24px;word-break:break-all}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#AEBBD6;padding:64px 0 40px;font-size:15px}
.site-footer .top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .logo{color:#fff}
.site-footer .logo span{color:#AEBBD6}
.site-footer .cols{display:flex;gap:56px;flex-wrap:wrap}
.site-footer h5{color:#fff;font-size:14px;margin-bottom:12px}
.site-footer .cols a{display:block;padding:3px 0}
.site-footer .cols a:hover{color:#fff}
.site-footer .info{padding-top:28px;line-height:1.9;font-size:14px}
.site-footer .copy{margin-top:12px;color:#6F7F9F;font-size:13px}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .system{grid-template-columns:repeat(2,1fr)}
  .module{border-bottom:1px solid var(--line);min-height:0}
  .services{grid-template-columns:repeat(2,1fr)}
  .cost{grid-template-columns:repeat(4,1fr)}
  .apps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hero .wrap,.sec-head,.contact,.demo-hero{grid-template-columns:1fr}
  .sec-head .lead{justify-self:start}
  .layout{grid-template-columns:1fr;gap:0;padding-top:0}
  .side{position:sticky;top:68px;z-index:20;background:#fff;display:flex;overflow-x:auto;margin:0 -24px 40px;padding:0 24px;border-bottom:1px solid var(--line)}
  .side a{border-left:0;border-bottom:2px solid transparent;padding:14px 14px;white-space:nowrap}
  .side a.on{border-bottom-color:var(--blue)}
  .ceo .body{columns:1}
}
@media (max-width:760px){
  body{font-size:16px}
  .menu-btn{display:block}
  .gnb{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:8px 16px 20px;border-bottom:1px solid var(--line)}
  .gnb.open{display:flex}
  .gnb .sub{position:static;opacity:1;visibility:visible;transform:none;border:0;padding:0 0 6px 8px;display:flex;flex-wrap:wrap}
  .gnb .cta-link>a{margin:8px 0 0;text-align:center}
  .sec,.quote-band{padding:80px 0}
  .hero{padding:40px 0 64px}
  .system,.services,.reasons,.groups,.feats,.tiles,.apps{grid-template-columns:1fr}
  .module{border-right:0}
  .cost{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:40px 28px;border-radius:24px}
  .history .row{grid-template-columns:1fr;gap:4px}
  .form .two{grid-template-columns:1fr}
  .flow{padding:28px 20px 22px}
  .flow li em{display:none}
}

/* 상담문의 결과 안내 */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-result{margin-top:20px;padding:18px 20px;border-radius:14px;font-size:15px;line-height:1.6}
.form-result p{margin-top:6px}
.form-result.ok{background:#E7F6EE;color:#0F5132}
.form-result.error{background:#FDECEC;color:#8A1C1C}
.form-result.warn{background:#FFF4E6;color:#6B3A00}
.form-result .result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.form-result .btn{margin-top:0;height:44px;padding:0 18px;font-size:15px}
.form-result .hint a{font-weight:700;text-decoration:underline}
.btn:disabled{opacity:.6;cursor:default}

/* 원가계산 단계 설명 */
.cost-steps{margin-top:40px;border-top:1.5px solid var(--ink)}
.cost-steps li{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.cost-steps .n{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:800;font-size:16px}
.cost-steps li:last-child .n{background:var(--orange)}
.cost-steps h4{font-size:19px;font-weight:700;letter-spacing:-.02em;margin-bottom:4px}
.cost-steps p{color:var(--ink-2);max-width:42em}
@media (max-width:760px){.cost-steps li{grid-template-columns:44px 1fr;gap:12px}}
.module{min-height:260px}
@media (max-width:1080px){.module:nth-child(3n){border-right:1px solid var(--line)}.module:nth-child(2n){border-right:0}}
@media (max-width:760px){.module,.module:nth-child(3n){border-right:0}}