:root{
  --bg:#f7f8fa;--card:#fff;--text:#191f28;--sub:#4e5968;--muted:#8b95a1;--line:#e8ebed;
  --blue:#3182f6;--blue-d:#1b64da;--blue-weak:#eef5ff;--blue-mid:#c9defc;
  --r:20px;--shadow:0 1px 2px rgba(17,24,39,.04),0 8px 24px rgba(17,24,39,.06)
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;line-height:1.7;font-size:16px;letter-spacing:-.01em;word-break:keep-all;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
img,svg{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:780px}

/* header */
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--text);text-decoration:none;letter-spacing:-.02em;white-space:nowrap}
.logo i{width:34px;height:34px;border-radius:11px;background:var(--blue);display:grid;place-items:center;flex:none}
.logo .tld{color:var(--blue)}
.logo .badge{font-size:12px;font-weight:700;color:var(--sub);background:var(--bg);border:1px solid var(--line);padding:3px 9px;border-radius:999px;margin-left:2px}
header.site nav{display:flex;align-items:center;gap:2px}
header.site nav a{color:var(--sub);text-decoration:none;font-size:15px;font-weight:600;padding:8px 12px;border-radius:10px;display:flex;align-items:center;gap:4px}
header.site nav a:hover,header.site nav a[aria-current]{background:var(--bg);color:var(--text)}
header.site nav a.go{color:var(--blue);background:var(--blue-weak);margin-left:6px}
.menu{display:none;background:none;border:0;width:40px;height:40px;padding:10px;cursor:pointer}
.menu span{display:block;height:2px;background:var(--text);border-radius:2px;margin:5px 0}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;font-size:16px;padding:13px 22px;border-radius:14px;border:1px solid var(--blue);transition:background .15s}
.btn:hover{background:var(--blue-d)}
.btn.ghost{background:#fff;color:var(--text);border-color:var(--line)}
.btn.ghost:hover{background:var(--bg)}
.btn.white{background:#fff;color:var(--blue-d);border-color:#fff}
.btn.sm{font-size:14px;padding:9px 14px;border-radius:11px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.actions.center{justify-content:center}

/* hero */
.hero{background:linear-gradient(180deg,#fff 0%,#f3f8ff 100%);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:76px;padding-bottom:76px}
.eyebrow,.kicker{display:inline-block;font-size:13px;font-weight:800;color:var(--blue);letter-spacing:.04em}
.eyebrow{background:var(--blue-weak);padding:6px 12px;border-radius:999px;margin-bottom:18px;letter-spacing:0;font-size:14px}
.hero h1{font-size:46px;line-height:1.25;letter-spacing:-.04em;margin:0 0 18px;font-weight:800}
.hero h1 em{font-style:normal;color:var(--blue)}
.lead{font-size:18px;color:var(--sub);margin:0 0 26px}
.hero-art{display:flex;justify-content:center}
.hero-svg{width:100%;max-width:420px;height:auto}

/* stats */
.stats{border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:28px 8px;text-align:center;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-size:34px;font-weight:800;letter-spacing:-.03em;color:var(--text)}
.stat span{color:var(--muted);font-size:14px;font-weight:600}

/* sections */
.sec{padding:72px 0}
.sec.alt{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec h2{font-size:30px;letter-spacing:-.03em;margin:4px 0 8px;line-height:1.35}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px;flex-wrap:wrap}
.sec-head p,.sub{color:var(--sub);margin:0}
.sec-head>div:first-child{max-width:560px}
.gh{font-size:20px!important;display:flex;align-items:center;gap:8px;margin:32px 0 14px!important}
.gh:first-child{margin-top:0!important}

/* status chart */
.stack{display:flex;height:12px;border-radius:999px;overflow:hidden;background:var(--line);width:340px;max-width:100%;gap:2px}
.stack span{display:block;height:100%}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;list-style:none;padding:0;margin:10px 0 0;font-size:13px;color:var(--sub)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.phead .stack{margin-top:8px}

/* tabs */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}
.tabs button{font:inherit;font-size:14px;font-weight:700;color:var(--sub);background:#fff;border:1px solid var(--line);padding:7px 14px;border-radius:999px;cursor:pointer}
.tabs button.on{background:var(--text);color:#fff;border-color:var(--text)}

/* product cards */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;text-decoration:none;color:var(--text);transition:box-shadow .15s,transform .15s,border-color .15s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--blue-mid)}
.ptop{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.pi{width:44px;height:44px;border-radius:13px;background:var(--blue-weak);color:var(--blue);display:grid;place-items:center;flex:none}
.pi.big{width:64px;height:64px;border-radius:18px}
.pcard h3{margin:0;font-size:19px;letter-spacing:-.02em}
.psub{margin:2px 0 8px;color:var(--muted);font-size:14px;font-weight:600}
.psum{margin:0 0 14px;color:var(--sub);font-size:15px;line-height:1.65;flex:1}
.more{display:flex;align-items:center;gap:4px;color:var(--blue);font-weight:700;font-size:14px}
.pill{display:inline-block;font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px;white-space:nowrap}
.s-live{background:#e8f3ff;color:#1b64da}
.s-dev{background:#eef5ff;color:#3182f6}
.s-lab{background:#f2f4f6;color:#4e5968}
.s-plan{background:#fff;color:#8b95a1;border:1px solid var(--line)}

/* process & timeline */
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.proc{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.proc li{display:grid;grid-template-columns:44px 1fr;gap:4px 14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.proc li .pi{grid-row:span 2}
.proc b{font-size:16px}
.proc b em{font-style:normal;color:var(--blue);margin-right:6px}
.proc p{margin:0;color:var(--sub);font-size:14.5px;line-height:1.6}
.tl{list-style:none;padding:0;margin:24px 0 0;position:relative}
.tl:before{content:"";position:absolute;left:58px;top:8px;bottom:8px;width:2px;background:var(--blue-mid)}
.tl li{display:grid;grid-template-columns:48px 1fr;column-gap:26px;padding:8px 0;position:relative}
.tl li:after{content:"";position:absolute;left:53px;top:16px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.td{font-weight:800;color:var(--blue);font-size:14px;padding-top:2px;grid-row:span 2}
.tl b{font-size:16px}
.tn{color:var(--muted);font-size:14px}

/* guides */
.ggrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;text-decoration:none;color:var(--text);transition:box-shadow .15s,border-color .15s}
.gcard:hover{box-shadow:var(--shadow);border-color:var(--blue-mid)}
.gcard h3{font-size:18px;line-height:1.45;margin:8px 0;letter-spacing:-.02em}
.gcard p{color:var(--sub);font-size:14.5px;margin:0 0 12px;flex:1;line-height:1.65}
.gcat{display:inline-block;font-size:12px;font-weight:800;color:var(--blue);background:var(--blue-weak);padding:3px 9px;border-radius:999px;align-self:flex-start}
.gmeta{font-size:13px;color:var(--muted);font-weight:600}

/* cta band */
.cta-band{background:var(--blue);color:#fff;padding:52px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta-band h2{margin:0 0 4px;color:#fff}
.cta-band p{margin:0;color:#dbe9ff}

/* page head & article */
.phead{background:linear-gradient(180deg,#fff 0%,#f3f8ff 100%);border-bottom:1px solid var(--line);padding:56px 0 44px}
.phead h1{font-size:38px;letter-spacing:-.035em;line-height:1.3;margin:8px 0 12px}
.phead.center{text-align:center}
.crumb{display:inline-block;color:var(--sub);text-decoration:none;font-size:14px;font-weight:600;margin-bottom:14px;margin-right:10px}
.ptitle{display:flex;gap:18px;align-items:center;margin-bottom:16px}
.ptitle h1{margin:4px 0 0}
.pmeta{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.cat{font-size:12px;font-weight:700;color:var(--sub);background:#fff;border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.points{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:8px}
.points li{display:flex;gap:10px;align-items:flex-start;font-weight:600}
.points svg{flex:none;margin-top:4px}
.byline{color:var(--muted);font-size:14px;margin:0}
.article{font-size:17px}
.article h2{font-size:24px;margin:40px 0 12px}
.article h2:first-child{margin-top:0}
.article h3{font-size:19px;margin:28px 0 8px}
.article p,.article li{color:#333d4b}
.article ul,.article ol{padding-left:22px}
.article li{margin:4px 0}
.article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px;display:block;overflow-x:auto}
.article th,.article td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top}
.article th{background:var(--bg);font-weight:700;white-space:nowrap}
.formula{background:var(--blue-weak);border-radius:14px;padding:16px 18px;font-weight:700;color:var(--blue-d)!important}
.formula small{font-weight:500;color:var(--sub)}
.note{background:#fff;border:1px solid var(--blue-mid);border-left:4px solid var(--blue);border-radius:12px;padding:14px 16px;margin:22px 0;color:#333d4b}
.note b{color:var(--blue-d);margin-right:6px}
.muted{color:var(--muted)!important;font-size:14px}
.cta{margin:26px 0;display:flex;gap:10px;flex-wrap:wrap}
figure{margin:24px 0;background:var(--bg);border-radius:16px;padding:18px 16px 10px}
figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:4px}
.chart{width:100%;height:auto;display:block}
.chart .cl{font-size:14px;font-weight:700;fill:#333d4b;font-family:inherit}
.chart .cv{font-size:13px;font-weight:700;fill:#4e5968;font-family:inherit}
.mail a{font-size:24px;font-weight:800;text-decoration:none}

/* footer */
footer.site{border-top:1px solid var(--line);background:var(--bg);padding:44px 0 30px;font-size:14px;color:var(--sub)}
.frow{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.fdesc{max-width:340px;margin:12px 0 0}
.fcols{display:flex;gap:48px}
.fcols div{display:flex;flex-direction:column;gap:6px}
.fcols b{color:var(--text);margin-bottom:4px}
.fcols a{color:var(--sub);text-decoration:none}
.fcols a:hover{color:var(--blue)}
.copy{margin:28px 0 0;color:var(--muted);font-size:13px}

/* responsive */
@media (max-width:980px){
  .pgrid,.ggrid{grid-template-columns:repeat(2,1fr)}
  .two{grid-template-columns:1fr;gap:48px}
  header.site .logo .badge{display:none}
}
@media (max-width:760px){
  .menu{display:block}
  header.site nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 16px 16px}
  body.open header.site nav{display:flex}
  header.site nav a.go{margin:6px 0 0}
  .hero .wrap{grid-template-columns:1fr;padding-top:44px;padding-bottom:44px;gap:20px}
  .hero-art{order:-1}.hero-svg{max-width:250px}
  .hero h1{font-size:32px}
  .lead{font-size:16.5px}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat{border-top:1px solid var(--line)}.stat:nth-child(-n+2){border-top:0}
  .stat b{font-size:28px}
  .sec{padding:52px 0}
  .sec h2{font-size:25px}
  .pgrid,.ggrid{grid-template-columns:1fr}
  .phead{padding:40px 0 32px}
  .phead h1{font-size:28px}
  .wrap{padding:0 16px}
  .article{font-size:16px}
  .fcols{gap:32px}
}
.subchips{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-wrap:wrap;gap:6px}
.subchips li{font-size:12.5px;font-weight:700;color:var(--sub);background:var(--bg);border:1px solid var(--line);padding:3px 9px;border-radius:8px}
.sec.subs{padding-bottom:0}
/* services */
.sgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.scard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column}
.scard h3{font-size:20px;margin:14px 0 2px;letter-spacing:-.02em}
.swho{color:var(--blue);font-weight:700;font-size:14px;margin:0 0 8px}
.sdesc{color:var(--sub);margin:0 0 12px;font-size:15.5px}
.sitems{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:6px;flex:1}
.sitems li{display:flex;gap:8px;align-items:flex-start;font-size:15px;font-weight:600}
.sitems svg{flex:none;margin-top:5px}
.proof{display:block;background:var(--bg);border-radius:12px;padding:12px 14px;font-size:14px;color:var(--sub);text-decoration:none;line-height:1.55}
.proof b{color:var(--blue-d);margin-right:4px}
.proof:hover{background:var(--blue-weak)}
.proof svg{vertical-align:-2px}
.steps{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
.steps em{font-style:normal;display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;font-size:14px;margin-bottom:8px}
.steps b{display:block;font-size:16px}
.steps p{margin:4px 0 0;color:var(--sub);font-size:14.5px;line-height:1.6}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{font-weight:700;cursor:pointer;font-size:16.5px}
.faq p{color:var(--sub);margin:10px 0 0}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.sgrid,.steps{grid-template-columns:1fr}}