:root{
  --paper:#F3F5F1; --ink:#13213F; --ink-2:#2C3A56; --mute:#5D6878;
  --cap:#F2C230; --sage:#A9C2B1; --sage-soft:#E2EBE4; --line:#D5DCD6; --white:#FFFFFF;
  --flag:#C8442A; --flag-soft:#FBE7E2; --ok:#2E7A57; --ok-soft:#E1F0E7;
  --wide:"Archivo","Pretendard Variable",system-ui,sans-serif;
  --body:"Pretendard Variable","Pretendard",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
main,.cta{overflow-x:clip}
body{font-family:var(--body);background:var(--paper);color:var(--ink);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;word-break:keep-all}
a{color:inherit}
:focus-visible{outline:3px solid var(--cap);outline-offset:3px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* header */
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--wide);font-stretch:125%;font-weight:800;font-size:18px;letter-spacing:.01em}
.mark i{display:inline-flex;width:30px;height:14px;border-radius:999px;overflow:hidden;transform:rotate(-24deg)}
.mark i::before,.mark i::after{content:"";flex:1}
.mark i::before{background:var(--ink)} .mark i::after{background:var(--cap)}
.nav{display:flex;align-items:center;gap:28px;font-size:14.5px}
.nav>a{text-decoration:none;color:var(--mute)}
.nav>a:hover{color:var(--ink)}
.lang{display:flex;background:var(--white);border:1px solid var(--line);border-radius:999px;padding:3px}
.lang a{font:700 12px var(--body);color:var(--mute);padding:5px 12px;border-radius:999px;text-decoration:none;letter-spacing:.02em}
.lang a[aria-current]{background:var(--ink);color:var(--white)}

/* hero */
.hero{padding-top:84px;padding-bottom:96px;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{font-family:var(--wide);font-stretch:116%;font-weight:800;font-size:clamp(38px,5.2vw,70px);line-height:1.04;letter-spacing:-.025em}
.ko-page .hero h1{font-family:var(--body);letter-spacing:-.05em;line-height:1.14}
.hero h1 s{text-decoration:none;position:relative;white-space:nowrap}
.lede{margin-top:28px;font-size:18px;color:var(--ink-2);max-width:32em}
.actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;height:52px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15.5px;text-decoration:none;border:1.5px solid var(--ink);transition:transform .15s}
.btn.solid{background:var(--ink);color:var(--white)}
.btn.ghost{color:var(--ink)}
.btn:hover{transform:translateY(-1px)}

/* review card: the signature moment */
.stage{position:relative}
.stage::before{content:"";position:absolute;width:118%;height:46%;left:-6%;top:28%;border-radius:999px;background:linear-gradient(90deg,var(--sage-soft) 50%,#F7E8B4 50%);transform:rotate(-14deg);z-index:0}
.card{position:relative;z-index:1;background:var(--white);border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 60px -28px rgba(19,33,63,.35);overflow:hidden}
.card-top{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--line);font-size:13px;color:var(--mute)}
.card-top b{color:var(--ink);font-size:14px}
.replay{border:1px solid var(--line);background:var(--paper);border-radius:999px;font:600 12px var(--body);color:var(--ink-2);padding:6px 12px;cursor:pointer}
.replay:hover{border-color:var(--ink)}
.rows{list-style:none;padding:8px 22px 4px}
.row{padding:16px 0;border-bottom:1px dashed var(--line);display:grid;grid-template-columns:1fr auto;gap:6px 14px;align-items:start}
.row:last-child{border-bottom:0}
.orig{font-size:16.5px;font-weight:600;position:relative;width:fit-content}
.orig{text-decoration:line-through 2px transparent}
.fix{grid-column:1/2;font-size:16.5px;font-weight:700;color:var(--ok);opacity:0}
.tag{font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:999px;white-space:nowrap;opacity:0}
.tag.bad{background:var(--flag-soft);color:var(--flag)}
.tag.good{background:var(--ok-soft);color:var(--ok)}
.why{grid-column:1/-1;font-size:12.5px;color:var(--mute);opacity:0}
.card-foot{display:flex;align-items:center;gap:10px;padding:16px 22px;background:var(--ink);color:var(--white);font-size:14px;font-weight:600;opacity:.25}
.card-foot i{width:10px;height:10px;border-radius:50%;background:var(--cap);flex:none}

/* final state (no motion / after animation) */
.card .row.flag .orig{color:var(--mute)}
.card .row.flag .orig{text-decoration-color:var(--flag)}
.card .fix,.card .tag,.card .why{opacity:1}
.card .card-foot{opacity:1}
@media (prefers-reduced-motion:no-preference){
  .card.play .row.flag .orig{animation:dim .45s ease var(--d) both}
  .card.play .tag{animation:pop .3s ease calc(var(--d) + .35s) both}
  .card.play .why{animation:fade .3s ease calc(var(--d) + .5s) both}
  .card.play .fix{animation:rise .4s ease calc(var(--d) + .7s) both}
  .card.play .card-foot{animation:lit .4s ease 3.4s both}
  @keyframes strike{from{transform:scaleX(0)}to{transform:scaleX(1)}}
  @keyframes dim{from{color:var(--ink);text-decoration-color:transparent}to{color:var(--mute);text-decoration-color:var(--flag)}}
  @keyframes pop{from{opacity:0;transform:scale(.85)}to{opacity:1;transform:none}}
  @keyframes fade{from{opacity:0}to{opacity:1}}
  @keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
  @keyframes lit{from{opacity:.25}to{opacity:1}}
}

/* sections */
section{padding:112px 0}
.head{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:end;margin-bottom:56px}
.head h2{font-family:var(--wide);font-stretch:116%;font-weight:800;font-size:clamp(30px,3.8vw,50px);line-height:1.08;letter-spacing:-.022em}
.ko-page .head h2,.ko-page .cta h2{font-family:var(--body);letter-spacing:-.045em;line-height:1.18}
.head p{color:var(--ink-2);font-size:17px;max-width:34em}

/* pipeline swimlane */
.ops{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lane{display:grid;grid-template-columns:150px repeat(4,1fr);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.lane>*{padding:22px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.lane>*:nth-child(5n){border-right:0}
.lane>*:nth-last-child(-n+5){border-bottom:0}
.lane .corner{background:var(--paper)}
.lane .step{background:var(--paper)}
.lane .step b{display:block;font-family:var(--wide);font-stretch:125%;font-weight:800;font-size:13px;color:var(--mute);margin-bottom:6px}
.lane .step h3{font-size:19px;font-weight:800;letter-spacing:-.02em}
.lane .who{font-weight:800;font-size:14.5px;display:flex;align-items:center;gap:10px}
.lane .who i{width:12px;height:12px;border-radius:50%;flex:none}
.lane .who.ai i{background:var(--cap);box-shadow:0 0 0 5px #FBF0C8}
.lane .who.hu i{background:var(--ink);box-shadow:0 0 0 5px #DCE1EA}
.lane .ai-c{font-size:15px;color:var(--ink-2);background:#FFFBEB}
.lane .hu-c{font-size:15px;color:var(--ink-2)}
.lane .step.hot{background:var(--ink);color:var(--white)}
.lane .step.hot b{color:var(--cap)}
.note{margin-top:28px;font-size:14.5px;color:var(--mute)}

/* products: typographic rows */
.cats{list-style:none;border-top:2px solid var(--ink)}
.cats li{display:grid;grid-template-columns:1.1fr 1fr 120px;gap:32px;align-items:center;padding:36px 0;border-bottom:1px solid var(--line)}
.cats h3{font-family:var(--wide);font-stretch:120%;font-weight:800;font-size:clamp(26px,3.4vw,44px);letter-spacing:-.025em;line-height:1.05}
.ko-page .cats h3{font-family:var(--body);letter-spacing:-.05em}
.cats p{color:var(--ink-2);font-size:16px;max-width:30em}
.state{justify-self:end;font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;border:1.5px solid var(--ink);white-space:nowrap}
.state.core{background:var(--ink);color:var(--white)}
.state.live{background:var(--cap);border-color:var(--cap)}
.state.next{border-style:dashed;color:var(--mute);border-color:var(--sage)}
.cats li.dim h3{color:var(--mute)}

/* cta */
.cta{background:var(--ink);color:var(--white);padding:112px 0;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-120px;bottom:-140px;width:520px;height:220px;border-radius:999px;background:linear-gradient(90deg,rgba(255,255,255,.06) 50%,rgba(242,194,48,.9) 50%);transform:rotate(-24deg)}
.cta h2{font-family:var(--wide);font-stretch:116%;font-weight:800;font-size:clamp(32px,4.4vw,58px);line-height:1.06;letter-spacing:-.025em;max-width:14em;position:relative;z-index:1}
.cta p{margin-top:22px;color:#C7D0DF;font-size:17px;max-width:32em;position:relative;z-index:1}
.mail{margin-top:40px;display:inline-block;font-family:var(--wide);font-stretch:112%;font-weight:700;font-size:clamp(22px,3vw,36px);text-decoration:none;color:var(--white);border-bottom:4px solid var(--cap);padding-bottom:4px;position:relative;z-index:1}
.mail:hover{color:var(--cap)}

footer{background:#0E1830;color:#A9B4C6;padding:40px 0 48px;font-size:13px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
.foot .legal{display:flex;flex-wrap:wrap;gap:4px 18px}
.foot .mark{color:var(--white);font-size:16px}
.foot .mark i::before{background:var(--white)}

@media (max-width:960px){
  .nav>a{display:none}
  .hero{grid-template-columns:1fr;padding-top:52px;padding-bottom:64px;gap:48px}
  section,.cta{padding:76px 0}
  .head{grid-template-columns:1fr;gap:16px;margin-bottom:36px}
  .lane{grid-template-columns:1fr;border-radius:18px}
  .lane>*{border-right:0}
  .lane .corner,.lane .who{display:none}
  .lane .step{border-top:2px solid var(--ink)}
  .lane{display:flex;flex-direction:column}
  .lane [data-l]::before{content:attr(data-l);display:block;font-size:12px;font-weight:800;margin-bottom:4px;color:var(--ink)}
  .cats li{grid-template-columns:1fr;gap:12px;padding:28px 0}
  .cats .state{justify-self:start;grid-row:1}
  .cta::after{width:300px;height:120px;right:-110px;bottom:-60px}
  .mail{word-break:break-all}
}
@media (max-width:960px){
  .lane .ai-c{order:var(--o)} .lane .hu-c{order:var(--o)} .lane .step{order:var(--o)}
}