@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;600&display=swap');

:root{
  --primary:#007c83;
  --primary-dark:#005d63;
  --ink:#132b32;
  --bg:#f4f8f7;
  --surface:#ffffff;
  --muted:#5e7277;
  --line:#d9e4e3;
  --accent:#c89743;
  --error:#b42318;
  --success:#176b45;
  --container:1240px;
  --header-height:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 18px)}
body{margin:0;min-width:320px;background:var(--surface);color:var(--ink);font-family:Pretendard,"Noto Sans KR",sans-serif;font-size:16px;letter-spacing:0;overflow-x:hidden}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit;letter-spacing:0}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}

.skip-link{position:fixed;z-index:200;left:16px;top:12px;transform:translateY(-160%);padding:11px 16px;background:var(--ink);color:#fff}
.skip-link:focus{transform:translateY(0)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:min(var(--container),calc(100% - 80px));margin-inline:auto}
.section{padding:116px 0}
.section--soft{background:var(--bg)}
.section--dark{background:var(--ink);color:#fff}
.section-kicker{display:flex;align-items:center;gap:12px;margin:0 0 18px;color:var(--primary);font-size:12px;font-weight:700;text-transform:uppercase}
.section-kicker::before{content:"";width:34px;height:2px;background:currentColor}
.section-title{max-width:850px;margin:0;font-size:48px;line-height:1.24;font-weight:700}
.section-copy{max-width:640px;margin:20px 0 0;color:var(--muted);font-size:17px;line-height:1.8}
.section--dark .section-copy{color:#bdd0d2}

.brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:750;white-space:nowrap}
.brand-mark{display:grid;grid-template-columns:repeat(2,7px);gap:3px;color:var(--primary)}
.brand-mark i{display:block;width:7px;height:7px;background:currentColor}
.site-header{position:absolute;z-index:30;top:0;left:0;right:0;height:var(--header-height);transition:background .2s,border-color .2s,box-shadow .2s}
.site-header.is-stuck{position:fixed;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 8px 22px rgba(19,43,50,.06);color:var(--ink)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.desktop-nav{display:flex;align-items:center;gap:28px;font-size:14px}
.desktop-nav>a:not(.button){position:relative;padding:8px 0}
.desktop-nav>a:not(.button)::after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:1px;background:currentColor;transition:right .2s}
.desktop-nav>a:not(.button):hover::after{right:0}
.mobile-toggle{display:none;width:46px;height:46px;place-items:center;border:1px solid currentColor;background:transparent;cursor:pointer}
.mobile-toggle svg{width:21px;height:21px}
.mobile-panel{position:fixed;z-index:29;inset:var(--header-height) 0 auto;background:#fff;color:var(--ink);border-bottom:1px solid var(--line);box-shadow:0 16px 28px rgba(19,43,50,.1);padding:24px 20px 30px}
.mobile-panel nav{display:grid;gap:4px}
.mobile-panel a{min-height:48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-weight:650}

.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:0 20px;border:1px solid transparent;border-radius:4px;background:transparent;font-weight:700;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.button:hover{transform:translateY(-1px)}
.button svg{width:18px;height:18px;flex:0 0 auto}
.button--primary{background:var(--primary);color:#fff}
.button--primary:hover{background:var(--primary-dark)}
.button--light{background:#fff;color:var(--ink)}
.button--outline{border-color:currentColor;color:inherit}
.button--text{min-height:44px;padding:0;border-bottom:1px solid currentColor;border-radius:0}
.icon-button{width:46px;height:46px;display:inline-grid;place-items:center;border:1px solid var(--line);background:transparent;cursor:pointer}
.icon-button svg{display:block;width:20px;height:20px}

.concept-tabs{position:fixed;z-index:80;left:16px;bottom:16px;display:flex;align-items:center;padding:4px;background:rgba(19,43,50,.94);box-shadow:0 10px 30px rgba(19,43,50,.22)}
.concept-tabs span{padding:0 10px;color:#b8ccce;font-size:11px;font-weight:700;text-transform:uppercase}
.concept-tabs a{width:44px;height:44px;display:grid;place-items:center;color:#fff;font-size:13px;font-weight:750}
.concept-tabs a[aria-current="page"]{background:var(--primary)}

.metric-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.metric{min-height:138px;padding:28px 30px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}
.metric:last-child{border-right:0}
.metric small{color:var(--muted);font-size:12px}
.metric strong{display:block;margin-top:8px;font-size:30px}
.metric em{margin-top:6px;color:var(--primary);font-size:11px;font-style:normal;font-weight:700}

.criteria-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:64px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.criterion{min-height:300px;padding:34px 32px;border-right:1px solid var(--line)}
.criterion:last-child{border-right:0}
.criterion-number{color:var(--primary);font:600 13px Georgia,serif}
.criterion-icon{width:48px;height:48px;display:grid;place-items:center;margin:40px 0 22px;border:1px solid var(--line);color:var(--primary)}
.criterion-icon svg{display:block;width:23px;height:23px}
.criterion h3{margin:0;font-size:23px}
.criterion p{margin:14px 0 0;color:var(--muted);line-height:1.7}
.criterion q{display:block;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);color:var(--ink);font-size:14px;font-weight:650}

.purpose-selector{display:grid;grid-template-columns:repeat(3,1fr);margin-top:48px;border:1px solid var(--line)}
.purpose-option{min-height:138px;padding:26px;text-align:left;border:0;border-right:1px solid var(--line);background:#fff;cursor:pointer;transition:background .2s,color .2s}
.purpose-option:last-child{border-right:0}
.purpose-option span{display:block;color:var(--primary);font-size:12px;font-weight:750}
.purpose-option strong{display:block;margin-top:14px;font-size:18px;line-height:1.45}
.purpose-option[aria-pressed="true"]{background:var(--ink);color:#fff}
.purpose-option[aria-pressed="true"] span{color:#8dd0cb}
.purpose-status{margin:18px 0 0;color:var(--muted);font-size:14px}

.timeline{display:grid;grid-template-columns:repeat(4,1fr);margin-top:64px;border-top:1px solid #ffffff42}
.timeline-step{position:relative;padding:38px 30px 10px 0}
.timeline-step::before{content:"";position:absolute;left:0;top:-6px;width:11px;height:11px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px rgba(111,190,184,.16)}
.timeline-step span{color:#8cc7c2;font:600 13px Georgia,serif}
.timeline-step h3{margin:18px 0 10px;font-size:20px}
.timeline-step p{margin:0;color:#b8ccce;line-height:1.7;font-size:14px}

.proof-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:74px;align-items:start;margin-top:62px}
.proof-image{position:relative}
.proof-image img{width:100%;aspect-ratio:4/3;object-fit:cover}
.visual-note{position:absolute;left:14px;bottom:14px;max-width:calc(100% - 28px);padding:8px 10px;background:rgba(19,43,50,.9);color:#fff;font-size:10px}
.evidence-list{border-top:1px solid var(--line)}
.evidence-item{border-bottom:1px solid var(--line)}
.evidence-toggle{width:100%;min-height:78px;display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:14px;padding:0;border:0;background:transparent;text-align:left;cursor:pointer}
.evidence-toggle>span:first-child{color:var(--primary);font:600 12px Georgia,serif}
.evidence-toggle strong{font-size:18px}
.evidence-toggle svg{width:20px;height:20px;transition:transform .2s}
.evidence-toggle[aria-expanded="true"] svg{transform:scaleY(.08)}
.evidence-panel{padding:0 42px 24px 56px;color:var(--muted);line-height:1.7;font-size:14px}
.status-pill{display:inline-flex;align-items:center;min-height:26px;margin-top:12px;padding:0 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11px}

.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:80px;align-items:start}
.guide-image{position:relative;margin-top:36px}
.guide-image img{width:100%;aspect-ratio:4/3;object-fit:cover}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-trigger{width:100%;min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0;border:0;background:transparent;text-align:left;font-size:17px;font-weight:700;cursor:pointer}
.faq-trigger svg{width:20px;height:20px;transition:transform .2s;flex:0 0 auto}
.faq-trigger[aria-expanded="true"] svg{transform:scaleY(.08)}
.faq-panel{padding:0 44px 26px 0;color:var(--muted);line-height:1.75}

.contact-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:84px;align-items:start}
.contact-copy{position:sticky;top:120px}
.contact-copy .section-title{font-size:44px}
.contact-points{display:grid;gap:14px;margin-top:34px}
.contact-point{display:flex;align-items:flex-start;gap:12px;color:#bfd1d2;font-size:14px;line-height:1.6}
.contact-point svg{width:18px;height:18px;margin-top:2px;color:#7fc0bb;flex:0 0 auto}
.inquiry-form{padding:42px;background:#fff;color:var(--ink)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 20px}
.field{min-width:0}
.field--full{grid-column:1/-1}
.field label{display:block;margin-bottom:9px;font-size:13px;font-weight:700}
.required{color:var(--error)}
.field input,.field select,.field textarea{width:100%;border:1px solid #cbd9d8;border-radius:3px;background:#fff;color:var(--ink)}
.field input,.field select{height:50px;padding:0 14px}
.field textarea{min-height:126px;padding:14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);outline:2px solid rgba(0,124,131,.14);outline-offset:0}
.field [aria-invalid="true"]{border-color:var(--error)}
.field-error{min-height:18px;margin:6px 0 0;color:var(--error);font-size:12px}
.consent-row{grid-column:1/-1;display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px;line-height:1.55}
.consent{display:flex;align-items:flex-start;gap:10px;color:inherit;font-size:inherit;line-height:inherit}
.consent input{width:18px;height:18px;margin:1px 0 0;accent-color:var(--primary);flex:0 0 auto}
.consent-row>.button--text{min-height:20px;margin-top:-2px;font-size:12px}
.consent-row>.field-error{flex-basis:100%;margin-left:28px}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:14px;margin-top:4px}
.form-actions .button{min-width:154px}
.form-note{margin:0;color:var(--muted);font-size:12px;line-height:1.5}
.form-success{min-height:440px;place-content:center;text-align:center;padding:30px}
.form-success:not([hidden]){display:grid}
.success-icon{width:58px;height:58px;display:grid;place-items:center;margin:0 auto 22px;border-radius:50%;background:#e8f4ee;color:var(--success)}
.success-icon svg{width:28px;height:28px}
.form-success h3{margin:0;font-size:26px}.form-success p{max-width:430px;margin:14px auto 24px;color:var(--muted);line-height:1.7}

.site-footer{padding:70px 0 36px;background:#0d252b;color:#fff}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:50px}
.footer-brand p{max-width:430px;margin:18px 0 0;color:#9fb8bb;line-height:1.7;font-size:14px}
.footer-col h2{margin:0 0 16px;font-size:12px;color:#7db7b3;text-transform:uppercase}
.footer-col p,.footer-col button{margin:0;color:#b7cbcd;font-size:13px;line-height:1.8}
.footer-col button{display:block;padding:0;border:0;background:transparent;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.footer-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-top:56px;padding-top:22px;border-top:1px solid #ffffff1f;color:#78969a;font-size:11px;line-height:1.6}
.demo-disclosure{margin:0;padding:14px max(20px,calc((100vw - var(--container))/2));background:#071c21;color:#91aaad;font-size:11px;line-height:1.65}

dialog{width:min(560px,calc(100% - 36px));border:0;padding:0;background:#fff;color:var(--ink);box-shadow:0 28px 90px rgba(0,0,0,.26)}
dialog::backdrop{background:rgba(7,28,33,.68)}
.dialog-head{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--line)}
.dialog-head h2{margin:0;font-size:19px}
.dialog-body{padding:26px 22px 30px;color:var(--muted);line-height:1.75}
.dialog-body strong{color:var(--ink)}

@media (max-width:1024px){
  .container{width:min(var(--container),calc(100% - 56px))}
  .section{padding:92px 0}
  .section-title{font-size:42px}
  .desktop-nav{display:none}
  .mobile-toggle{display:grid}
  .proof-layout,.faq-layout,.contact-layout{gap:48px}
  .criterion{padding:28px 24px}
  .contact-copy{position:static}
}

@media (max-width:760px){
  :root{--header-height:68px}
  .container{width:min(var(--container),calc(100% - 40px))}
  .section{padding:76px 0}
  .section-title,.contact-copy .section-title{font-size:34px;line-height:1.3}
  .section-copy{font-size:15px}
  .concept-tabs{left:50%;bottom:10px;transform:translateX(-50%)}
  .concept-tabs span{display:none}
  .metric-grid,.criteria-grid,.purpose-selector,.timeline,.proof-layout,.faq-layout,.contact-layout,.footer-grid{grid-template-columns:1fr}
  .metric{min-height:104px;border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .metric:last-child{border-bottom:0}
  .criteria-grid{margin-top:42px}
  .criterion{min-height:auto;padding:28px 0;border-right:0;border-bottom:1px solid var(--line)}
  .criterion:last-child{border-bottom:0}
  .criterion-icon{margin:26px 0 18px}
  .purpose-option{min-height:105px;border-right:0;border-bottom:1px solid var(--line)}
  .purpose-option:last-child{border-bottom:0}
  .timeline{margin-top:46px;padding-left:18px;border-top:0;border-left:1px solid #ffffff42}
  .timeline-step{padding:0 0 34px 25px}
  .timeline-step::before{left:-24px;top:4px}
  .proof-layout,.faq-layout,.contact-layout{margin-top:42px}
  .evidence-toggle{grid-template-columns:34px 1fr auto}
  .evidence-panel{padding-left:48px}
  .inquiry-form{padding:28px 20px}
  .form-grid{grid-template-columns:1fr;gap:18px}
  .field--full,.consent-row,.form-actions{grid-column:1}
  .form-actions{align-items:stretch;flex-direction:column}
  .form-actions .button{width:100%}
  .footer-grid{gap:34px}.footer-bottom{align-items:flex-start;flex-direction:column;margin-top:38px}
  .demo-disclosure{padding-bottom:72px}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}