:root{
  --paper:#faf8f3; --paper2:#f2efe7; --ink:#211d17; --ink2:#57503f; --ink3:#968d78;
  --hair:#e7e2d5; --hair2:#d8d1bf;
  --brand:#26bfd4; --brand-ink:#0e7c8c; --brand-soft:#e9f6f4;
  --amber:#e8c56a;
  --serif:"MaruBuri","Noto Serif KR",serif; --mono:"IBM Plex Mono",monospace;
  --sans:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo",sans-serif;
  --body:"Gowun Dodum",var(--sans);
  --dark:#0a0f18; --dark2:#121826; --dark-tx:#e8ecf1; --dark-tx2:#9aa3b2;
  --maxw:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);word-break:keep-all;overflow-wrap:break-word;
  font-family:var(--body);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
::selection{background:rgba(38,191,212,.25)}

/* ---------- nav ---------- */
nav{font-family:var(--sans);position:sticky;top:0;z-index:50;background:rgba(250,248,243,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--hair);transition:box-shadow .3s}
nav.scrolled{box-shadow:0 4px 24px rgba(33,29,23,.06)}
.nav-in{display:flex;align-items:center;height:64px;max-width:var(--maxw);margin:0 auto;padding:0 28px;gap:34px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.02em}
.logo img{width:26px;height:26px;transition:transform .4s cubic-bezier(.34,1.56,.64,1)}
.logo:hover img{transform:rotate(-12deg) scale(1.1)}
.nav-links{display:flex;gap:26px;font-size:14.5px;color:var(--ink2);margin-left:auto}
.nav-links a{position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width .25s}
.nav-links a:hover::after,.nav-links a.on::after{width:100%}
.nav-links a.on{color:var(--ink);font-weight:700}
.nav-cta{padding:9px 20px;border-radius:8px;font-size:14px;font-weight:700;color:#fff;background:var(--ink);transition:.2s}
.nav-cta:hover{background:#000;transform:translateY(-1px)}
.nav-burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.nav-burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.25s}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile{display:none;border-bottom:1px solid var(--hair);background:var(--paper)}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:15px 28px;font-size:16px;font-weight:600;border-top:1px solid var(--hair)}
@media(max-width:820px){
  .nav-links,.nav-in .nav-cta{display:none}
  .nav-burger{display:block}
}

/* ---------- type ---------- */
.kicker{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12.5px;
  font-weight:600;letter-spacing:.04em;color:var(--brand-ink);margin-bottom:22px}
.kicker::before{content:"";width:22px;height:1.5px;background:var(--brand)}
h1{font-family:var(--serif);font-size:clamp(31px,4.8vw,50px);font-weight:700;line-height:1.34;letter-spacing:-.02em}
h1 em{font-style:normal;background:linear-gradient(transparent 62%,rgba(232,197,106,.55) 62%);
  background-repeat:no-repeat;background-size:0% 100%;animation:hl 1s .5s forwards}
@keyframes hl{to{background-size:100% 100%}}
h2{font-family:var(--serif);font-size:clamp(24px,3.6vw,36px);font-weight:700;letter-spacing:-.015em;line-height:1.4}
.sec-head{display:flex;align-items:baseline;gap:18px;border-top:2px solid var(--ink);padding-top:22px}
.sec-num{font-family:var(--mono);font-size:13.5px;font-weight:600;color:var(--ink3);letter-spacing:.06em;flex:none}
.sec-sub{margin-top:14px;color:var(--ink2);font-size:16.5px;max-width:620px}
section{padding:90px 0}
@media(max-width:760px){section{padding:64px 0}}

/* ---------- buttons ---------- */
.btn{font-family:var(--sans);display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:10px;
  font-size:15.5px;font-weight:700;transition:.2s;border:1px solid transparent;position:relative;overflow:hidden}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 2px 0 rgba(33,29,23,.25)}
.btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:0 8px 20px rgba(33,29,23,.2)}
.btn-line{border-color:var(--hair2);background:#fff;color:var(--ink)}
.btn-line:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 20px rgba(33,29,23,.08)}
.btn small{display:block;font-size:11.5px;font-weight:500;opacity:.6;line-height:1.2}
.btn-brand{background:var(--brand);color:#04262c;border:0}
.btn-brand:hover{filter:brightness(1.08);transform:translateY(-2px)}

/* ---------- hero ---------- */
.hero{border-bottom:1px solid var(--hair);background:linear-gradient(var(--paper) 0%,var(--paper2) 100%);overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  max-width:var(--maxw);margin:0 auto;padding:84px 28px 92px}
.hero-sub{margin-top:24px;font-size:17.5px;color:var(--ink2);max-width:460px}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:38px}
.hero-foot{margin-top:26px;font-size:13px;color:var(--ink3)}
.hero-photo{position:relative;border-radius:14px;overflow:hidden;box-shadow:0 24px 56px rgba(15,23,42,.16)}
.hero-photo img{aspect-ratio:5/4;object-fit:cover;width:100%;transform:scale(1.06);
  animation:kb 18s ease-in-out infinite alternate}
@keyframes kb{from{transform:scale(1.06) translate(0,0)}to{transform:scale(1.12) translate(-1.5%,1%)}}
@media(max-width:900px){.hero-in{grid-template-columns:1fr;padding-top:56px;gap:36px}}

/* hero 텍스트 순차 등장 */
.stagger>*{opacity:0;transform:translateY(22px);animation:up .7s cubic-bezier(.22,1,.36,1) forwards}
.stagger>*:nth-child(1){animation-delay:.05s}
.stagger>*:nth-child(2){animation-delay:.15s}
.stagger>*:nth-child(3){animation-delay:.28s}
.stagger>*:nth-child(4){animation-delay:.42s}
.stagger>*:nth-child(5){animation-delay:.55s}
@keyframes up{to{opacity:1;transform:none}}

/* ---------- scroll reveal ---------- */
.rv{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1)}
.rv.on{opacity:1;transform:none}
.rv-l{opacity:0;transform:translateX(-36px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1)}
.rv-r{opacity:0;transform:translateX(36px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1)}
.rv-l.on,.rv-r.on{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){
  .rv,.rv-l,.rv-r,.stagger>*{opacity:1!important;transform:none!important;animation:none!important;transition:none!important}
  .hero-photo img{animation:none}
}

/* ---------- mm grid ---------- */
.mm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:52px;
  border:1px solid var(--hair);border-radius:14px;overflow:hidden;background:#fff}
.mm-cell{padding:34px 30px;border-left:1px solid var(--hair);transition:background .25s}
.mm-cell:hover{background:var(--brand-soft)}
.mm-cell:first-child{border-left:0}
.mm-cell .n{font-family:var(--mono);font-size:11.5px;font-weight:600;color:var(--brand-ink);letter-spacing:.1em}
.mm-cell h3{font-family:var(--serif);font-size:21px;font-weight:800;margin:10px 0 2px}
.mm-cell .en{font-family:var(--mono);font-size:11.5px;color:var(--ink3);font-weight:500;letter-spacing:.05em;text-transform:uppercase}
.mm-cell p{margin-top:14px;font-size:14.5px;color:var(--ink2)}
@media(max-width:820px){.mm-grid{grid-template-columns:1fr}.mm-cell{border-left:0;border-top:1px solid var(--hair)}.mm-cell:first-child{border-top:0}}
.mm-flowline{display:flex;align-items:center;gap:14px;margin-top:34px;padding:20px 26px;
  border:1px solid var(--hair);border-radius:12px;background:var(--brand-soft);
  font-size:14.5px;color:var(--ink2);flex-wrap:wrap}
.mm-flowline b{color:var(--ink)}
.mm-flowline .ar{font-family:var(--mono);color:var(--brand-ink);font-weight:600}
.mm-note{margin-top:14px;font-size:13.5px;color:var(--ink3)}

/* ---------- feature rows ---------- */
.feat{display:grid;grid-template-columns:200px 1fr 280px;gap:36px;padding:44px 0;border-top:1px solid var(--hair);align-items:center}
.feat:first-of-type{margin-top:56px}
.feat .fn{font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--ink3)}
.feat h3{font-family:var(--serif);font-size:21px;font-weight:800;margin-top:6px;line-height:1.5}
.feat-body p{font-size:15.5px;color:var(--ink2);max-width:560px}
.feat-body ul{margin-top:14px;display:grid;gap:8px}
.feat-body li{list-style:none;display:flex;gap:10px;font-size:14px;color:var(--ink2)}
.feat-body li::before{content:"—";color:var(--brand-ink);flex:none}
.feat-img{border-radius:12px;overflow:hidden;box-shadow:0 12px 32px rgba(15,23,42,.12)}
.feat-img img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .6s cubic-bezier(.22,1,.36,1)}
.feat:hover .feat-img img{transform:scale(1.05)}
@media(max-width:900px){.feat{grid-template-columns:1fr;gap:14px}.feat-img{max-width:440px}}

/* ---------- small cards ---------- */
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:56px;counter-reset:sc}
.scard{border:1px solid var(--hair);border-radius:12px;padding:24px 22px;background:#fff;
  transition:.25s cubic-bezier(.22,1,.36,1)}
.scard:hover{border-color:var(--ink);transform:translateY(-4px);box-shadow:0 14px 32px rgba(33,29,23,.08)}
.scard h4{font-family:var(--sans);font-size:15.5px;font-weight:800;display:flex;align-items:baseline;gap:10px}
.scard h4::before{counter-increment:sc;content:counter(sc,decimal-leading-zero);
  font-family:var(--mono);font-size:11.5px;font-weight:600;color:var(--brand-ink);flex:none}
.scard p{margin-top:8px;font-size:13.5px;color:var(--ink2)}
@media(max-width:820px){.sgrid{grid-template-columns:1fr}}

/* ---------- teaser cards (홈 하단) ---------- */
.teaser{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:52px}
.tcard{border:1px solid var(--hair);border-radius:14px;background:#fff;overflow:hidden;
  transition:.3s cubic-bezier(.22,1,.36,1);display:flex;flex-direction:column}
.tcard:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(33,29,23,.1);border-color:var(--hair2)}
.tcard .timg{overflow:hidden}
.tcard .timg img{aspect-ratio:16/10;object-fit:cover;width:100%;transition:transform .6s}
.tcard:hover .timg img{transform:scale(1.06)}
.tcard .tb{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.tcard h3{font-family:var(--serif);font-size:19px;font-weight:800}
.tcard p{margin-top:8px;font-size:14px;color:var(--ink2);flex:1}
.tcard .more{margin-top:16px;font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--brand-ink)}
.tcard .more::after{content:" →";transition:margin .2s}
.tcard:hover .more::after{margin-left:4px}
@media(max-width:820px){.teaser{grid-template-columns:1fr}}

/* ---------- page hero (서브페이지 상단) ---------- */
.phero{border-bottom:1px solid var(--hair);background:linear-gradient(var(--paper),var(--paper2));padding:72px 0 64px}
.phero h1{font-size:clamp(28px,4vw,42px)}
.phero .sec-sub{font-size:16.5px}

/* ---------- download ---------- */
.dl{background:var(--dark);color:var(--dark-tx)}
.dl .sec-head{border-top-color:#2a3444}
.dl .sec-num{color:#57617a}
.dl .sec-sub{color:var(--dark-tx2)}
.dl-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:52px}
.dl-card{border:1px solid #222b3d;border-radius:14px;padding:34px 32px;background:var(--dark2);
  transition:.3s}
.dl-card:hover{border-color:#31405a;transform:translateY(-3px)}
.dl-card h3{font-size:20px;font-weight:800;display:flex;align-items:center;gap:10px}
.dl-card h3 img{width:22px;height:22px}
.dl-card p{margin:10px 0 24px;color:var(--dark-tx2);font-size:14.5px}
.dl-meta{font-family:var(--mono);font-size:12px;color:#57617a;margin-top:13px}
.invite-note{margin-top:34px;font-size:14px;color:var(--dark-tx2)}
.invite-note b{color:var(--dark-tx)}
@media(max-width:760px){.dl-cards{grid-template-columns:1fr}}

/* ---------- steps (시작하기) ---------- */
.steps{margin-top:52px;display:grid;gap:0}
.step{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:30px 0;border-top:1px solid var(--hair)}
.step .sn{font-family:var(--mono);font-size:22px;font-weight:600;color:var(--brand-ink)}
.step h3{font-family:var(--serif);font-size:19px;font-weight:800}
.step p{margin-top:6px;font-size:14.5px;color:var(--ink2);max-width:600px}

/* ---------- CTA band ---------- */
.band{background:var(--brand-soft);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.band-in{max-width:var(--maxw);margin:0 auto;padding:64px 28px;display:flex;align-items:center;
  justify-content:space-between;gap:24px;flex-wrap:wrap}
.band h2{font-size:clamp(22px,3vw,30px)}
.band p{color:var(--ink2);margin-top:6px}

footer{font-family:var(--sans);border-top:1px solid var(--hair);padding:36px 0;font-size:13px;color:var(--ink3)}
.foot-in{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.foot-in .logo{font-size:15px}.foot-in .logo img{width:20px;height:20px}
.foot-links{display:flex;gap:20px}
.foot-links a:hover{color:var(--ink)}

/* ---- generated poster visuals ---- */
.hero-poster{padding:110px 0 40px}
.poster-wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.poster-fig{margin:0;border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(33,29,23,.14)}
.poster-fig img{display:block;width:100%;height:auto}
.hero-poster .hero-foot{margin-top:14px}
@media (max-width:720px){.hero-poster{padding:92px 0 30px}}

/* ---- use-case tabs ---- */
.case-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 22px}
.ct{font-family:var(--sans);font-size:15px;font-weight:600;color:var(--ink);
  background:transparent;border:1.5px solid rgba(33,29,23,.18);border-radius:999px;
  padding:9px 18px;cursor:pointer;transition:all .25s}
.ct:hover{border-color:var(--brand-ink);color:var(--brand-ink);transform:translateY(-1px)}
.ct.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.case-stage{position:relative}
.case{display:none;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.case.on{display:grid;animation:caseIn .5s cubic-bezier(.2,.7,.2,1)}
@keyframes caseIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.case-label{font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  color:var(--brand-ink);text-transform:uppercase}
.case-q{font-family:var(--serif);font-size:clamp(21px,2.6vw,27px);font-weight:700;
  line-height:1.45;margin:10px 0 14px;position:relative;padding-left:2px}
.case-q::after{content:"";display:block;width:64px;height:5px;margin-top:14px;
  background:var(--amber);border-radius:3px}
.case-d{color:rgba(33,29,23,.78);margin:0 0 16px}
.case-ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.case-ul li{padding-left:22px;position:relative;color:rgba(33,29,23,.82);font-size:15.5px}
.case-ul li::before{content:"—";position:absolute;left:0;color:var(--brand-ink);font-weight:700}
.case-fig{margin:0;border-radius:16px;overflow:hidden;box-shadow:0 18px 46px rgba(33,29,23,.13)}
.case-fig img{display:block;width:100%;height:auto;transition:transform .6s}
.case-fig:hover img{transform:scale(1.03)}
@media (max-width:840px){.case{grid-template-columns:1fr;gap:24px}
  .case-fig{order:-1}}

/* ---- animated step flow ---- */
.steps.flow{position:relative;padding-left:0}
.steps.flow::before{content:"";position:absolute;left:11px;top:36px;bottom:36px;width:2px;
  background:linear-gradient(var(--brand),var(--amber));border-radius:2px;
  transform:scaleY(0);transform-origin:top;transition:transform 1.8s cubic-bezier(.3,.6,.2,1) .2s}
.steps.flow.go::before{transform:scaleY(1)}
.steps.flow .step{position:relative;padding-left:44px;opacity:0;transform:translateX(-16px);
  transition:opacity .6s,transform .6s cubic-bezier(.2,.7,.2,1)}
.steps.flow .step::before{content:"";position:absolute;left:4px;top:38px;width:16px;height:16px;
  border-radius:50%;background:var(--paper);border:2.5px solid var(--brand-ink);
  transform:scale(0);transition:transform .45s cubic-bezier(.34,1.56,.64,1)}
.steps.flow.go .step{opacity:1;transform:none}
.steps.flow.go .step::before{transform:scale(1)}
.steps.flow.go .step:nth-child(1){transition-delay:.05s}
.steps.flow.go .step:nth-child(1)::before{transition-delay:.15s}
.steps.flow.go .step:nth-child(2){transition-delay:.4s}
.steps.flow.go .step:nth-child(2)::before{transition-delay:.5s}
.steps.flow.go .step:nth-child(3){transition-delay:.75s}
.steps.flow.go .step:nth-child(3)::before{transition-delay:.85s}
.steps.flow.go .step:nth-child(4){transition-delay:1.1s}
.steps.flow.go .step:nth-child(4)::before{transition-delay:1.2s}
@media (prefers-reduced-motion: reduce){
  .steps.flow .step{opacity:1;transform:none}
  .steps.flow::before,.steps.flow .step::before{transition:none;transform:none}
}