:root{
 --ink:#11131a;--muted:#687080;--line:#e8eaf0;--soft:#f7f8fb;
 --pink:#ff2e68;--coral:#ff7549;--cyan:#25c7d9;--blue:#245bff;--violet:#8d3bd1;
 --navy:#091222;--max:1280px;--r:28px
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:Inter,Pretendard,"Noto Sans KR",Arial,sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.top{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(15,18,25,.06)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between}
.brand{font-size:28px;font-weight:950;letter-spacing:-.06em;line-height:.8}.brand small{display:block;font-size:8px;letter-spacing:.08em;margin-top:9px}
.links{display:flex;gap:25px;font-weight:800;font-size:13px}.links a{opacity:.7}.links a.active,.links a:hover{opacity:1;color:var(--pink)}
.lang{font-size:12px;font-weight:900}.lang a{padding:6px}.lang .on{color:var(--pink)}
.kicker{font-size:12px;font-weight:950;letter-spacing:.12em;text-transform:uppercase;color:var(--pink)}
h1,h2,h3,p{margin-top:0}h1{font-size:clamp(58px,7vw,112px);line-height:.9;letter-spacing:-.06em}h2{font-size:clamp(38px,4.5vw,72px);line-height:1.02;letter-spacing:-.05em}h3{font-size:24px;letter-spacing:-.03em}
.lead{font-size:clamp(18px,1.9vw,25px);color:#323947;max-width:760px}.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 19px;border-radius:999px;font-weight:900;font-size:14px;border:1px solid transparent}
.btn.hot{background:linear-gradient(90deg,var(--pink),var(--coral));color:#fff;box-shadow:0 14px 30px rgba(255,46,104,.22)}
.btn.line{border-color:#d5d9e2;background:rgba(255,255,255,.7)}
.section{padding:106px 0}.tight{padding:72px 0}.soft{background:var(--soft)}.dark{background:linear-gradient(135deg,#081222,#18224b 55%,#391454);color:#fff}.colorwash{background:linear-gradient(120deg,#fff1f4,#fff 38%,#ebfcff 70%,#eef2ff)}
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.22,1,.36,1)}.reveal.on{opacity:1;transform:none}
.hero{position:relative;min-height:calc(100vh - 76px);overflow:hidden;background:#0c1322}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 45%}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,12,22,.32),rgba(8,12,22,.04) 48%,rgba(8,12,22,.64))}
.hero-in{position:relative;z-index:2;min-height:calc(100vh - 76px);display:grid;grid-template-columns:1.15fr .85fr;align-items:center;color:#fff;padding-bottom:72px}
.hero-copy{max-width:760px;text-shadow:0 3px 24px rgba(0,0,0,.28)}.hero-copy .kicker{color:white;opacity:.9}.hero-copy p{font-size:21px;max-width:650px}
.hero-prod{justify-self:end;width:min(470px,39vw);filter:drop-shadow(0 30px 35px rgba(0,0,0,.33))}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.hero .btn.line{color:white;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.44)}
.statbar{position:absolute;z-index:4;left:0;right:0;bottom:0;background:rgba(8,12,22,.62);backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.16)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);color:white}.stat{padding:18px 20px;border-right:1px solid rgba(255,255,255,.15)}.stat:last-child{border-right:0}.stat b{display:block;font-size:23px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.picture{border-radius:var(--r);overflow:hidden;background:white;box-shadow:0 20px 48px rgba(21,28,48,.08)}
.picture img{width:100%;height:100%;object-fit:cover}
.system-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px}
.system-step{border:1px solid var(--line);border-radius:24px;padding:22px;background:#fff;min-height:310px}
.system-step img{width:100%;height:190px;object-fit:contain}.system-step .n{font-size:12px;color:var(--pink);font-weight:950}.system-step b{font-size:18px}
.semgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}
.semcard{background:#fff;border-radius:22px;padding:15px;color:var(--ink)}.semcard img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:50%}.semcard strong{display:block;margin-top:12px}
.usegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}.usegrid figure{margin:0}.usegrid img{width:100%;aspect-ratio:1/1.06;object-fit:cover;border-radius:20px}.usegrid figcaption{font-size:12px;font-weight:900;margin-top:8px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);margin-top:22px;border:1px solid var(--line);border-radius:20px;overflow:hidden}.metrics div{padding:22px;background:white;border-right:1px solid var(--line)}.metrics div:last-child{border:0}.metrics b{display:block;font-size:33px;color:var(--pink)}
.eco{display:grid;grid-template-columns:1fr 1fr;gap:20px}.eco-card{min-height:440px;border-radius:32px;padding:42px;position:relative;overflow:hidden}.eco-card.app{background:linear-gradient(145deg,#eafcff,#f4ecff)}.eco-card.pro{background:linear-gradient(145deg,#0d162b,#241745);color:#fff}.eco-card img{position:absolute;right:2%;bottom:0;max-width:48%;max-height:90%;object-fit:contain}.eco-copy{position:relative;z-index:2;max-width:53%}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;align-items:stretch}.flow .node{border:1px solid var(--line);border-radius:22px;padding:22px;background:white}.flow .node span{display:inline-grid;width:34px;height:34px;place-items:center;border-radius:50%;background:#f5efff;color:var(--violet);font-weight:950}
.recog{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.recog .badge{min-height:140px;border:1px solid var(--line);border-radius:22px;padding:20px;display:flex;align-items:center;justify-content:center;text-align:center;background:#fff}.badge b{display:block;font-size:21px}.badge small{color:var(--muted)}
.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:220px 220px;gap:12px}.gallery img{width:100%;height:100%;object-fit:cover;border-radius:18px}.gallery img:first-child{grid-row:1/3}
.pagehero{padding:104px 0 76px}.pagegrid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.pagegrid img{max-height:520px;object-fit:contain;margin:auto}
.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:13px;position:relative}.timeline:before{content:"";position:absolute;top:27px;left:2%;right:2%;height:2px;background:linear-gradient(90deg,var(--pink),var(--coral),var(--cyan),var(--blue),var(--violet))}.mile{padding-top:52px;position:relative}.mile:before{content:"";position:absolute;top:18px;left:0;width:18px;height:18px;border-radius:50%;background:#fff;border:5px solid var(--pink)}
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.person{border:1px solid var(--line);border-radius:24px;padding:23px;background:#fff}.person.photo{display:grid;grid-template-columns:90px 1fr;gap:18px;align-items:center}.person img{width:90px;height:90px;border-radius:50%;object-fit:cover}
.science-row{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px;align-items:center}.science-row.reverse{grid-template-columns:1.22fr .78fr}.science-row.reverse .copy{order:2}
.dfm-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}.dfm-wrap img{max-height:680px;margin:auto}
.video-card{min-height:500px;border-radius:34px;overflow:hidden;position:relative;color:#fff;cursor:pointer;background:#12182a}.video-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.54)}.video-card .copy{position:absolute;left:48px;bottom:44px;z-index:2;max-width:600px}.play{width:64px;height:64px;border-radius:50%;background:#fff;color:#111;display:grid;place-items:center;font-size:24px;margin-bottom:18px}
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news article{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff}.news article img{width:100%;height:210px;object-fit:cover}.news .body{padding:20px}.meta{font-size:11px;font-weight:950;color:var(--pink);text-transform:uppercase}
.filters{display:flex;gap:8px;flex-wrap:wrap}.filters button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 15px;font-weight:850;cursor:pointer}.filters .active{background:var(--ink);color:#fff}
.footer{background:#0b0f17;color:#fff;padding:50px 0 28px}.footgrid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:24px}.footer a{display:block;color:#aeb6c5;font-size:13px;margin:7px 0}
.modal{position:fixed;inset:0;background:rgba(2,5,12,.82);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}.modal.on{display:flex}.modalbox{width:min(960px,95vw);background:#101522;color:#fff;padding:24px;border-radius:26px;position:relative}.close{position:absolute;right:18px;top:10px;color:#fff;background:none;border:0;font-size:30px}.video-ph{aspect-ratio:16/9;border-radius:18px;background:linear-gradient(135deg,#132040,#391650);display:grid;place-items:center;text-align:center;padding:30px}
@media(max-width:900px){
 .links{display:none}.container{width:min(var(--max),calc(100% - 28px))}
 .hero-in,.split,.pagegrid,.science-row,.science-row.reverse,.dfm-wrap{grid-template-columns:1fr}.hero-prod{display:none}.hero-copy{padding-bottom:115px}
 .stats{grid-template-columns:1fr 1fr}.system-flow,.semgrid,.usegrid{grid-template-columns:1fr 1fr}.eco{grid-template-columns:1fr}.eco-copy{max-width:72%}.eco-card img{opacity:.52}
 .flow{grid-template-columns:1fr}.recog{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr 1fr;grid-template-rows:auto}.gallery img:first-child{grid-row:auto}.timeline{grid-template-columns:1fr 1fr}.timeline:before{display:none}.team,.news{grid-template-columns:1fr}.metrics{grid-template-columns:1fr}.metrics div{border-right:0;border-bottom:1px solid var(--line)}
 .footgrid{grid-template-columns:1fr 1fr}
}

@media(max-width:900px){
  .section [style*="grid-template-columns:repeat(5,1fr)"]{grid-template-columns:1fr 1fr !important}
}


/* Floating scroll-to-top remote */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  z-index:90;
  width:54px;
  height:54px;
  border:1px solid rgba(17,19,26,.12);
  border-radius:50%;
  background:rgba(255,255,255,.90);
  backdrop-filter:blur(14px);
  box-shadow:0 12px 30px rgba(18,24,38,.14);
  color:var(--ink);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:1px;
  font:800 10px/1 Inter,Pretendard,"Noto Sans KR",Arial,sans-serif;
  letter-spacing:.06em;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s ease, background .2s ease;
}
.to-top::before{
  content:"↑";
  font-size:21px;
  line-height:18px;
  font-weight:700;
}
.to-top.show{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.to-top:hover{
  background:linear-gradient(135deg,var(--pink),var(--coral));
  color:#fff;
  border-color:transparent;
  transform:translateY(-2px);
}
@media(max-width:900px){
  .to-top{
    right:16px;
    bottom:18px;
    width:48px;
    height:48px;
    font-size:9px;
  }
  .to-top::before{font-size:19px}
}


/* ===== v2.8 Mobile hardening ===== */
.mobile-menu-btn{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--line);
  border-radius:50%;
  background:#fff;
  color:var(--ink);
  font-size:0;
  cursor:pointer;
  position:relative;
  flex:0 0 auto;
}
.mobile-menu-btn::before,
.mobile-menu-btn::after,
.mobile-menu-btn span{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:.2s ease;
}
.mobile-menu-btn::before{top:13px}
.mobile-menu-btn span{top:20px}
.mobile-menu-btn::after{top:27px}
.mobile-menu-btn.open::before{top:20px;transform:rotate(45deg)}
.mobile-menu-btn.open span{opacity:0}
.mobile-menu-btn.open::after{top:20px;transform:rotate(-45deg)}

@media(max-width:900px){
  /* header/navigation */
  .top .container{width:calc(100% - 32px)}
  .nav{height:82px;position:relative;gap:10px}
  .brand{font-size:29px}
  .lang{margin-left:auto;white-space:nowrap}
  .mobile-menu-btn{display:block;order:3;margin-left:4px}
  .lang{order:2}
  .links{
    display:none;
    position:absolute;
    top:82px;
    left:-16px;
    right:-16px;
    flex-direction:column;
    gap:0;
    padding:10px 18px 18px;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 35px rgba(15,22,38,.09);
  }
  .links.open{display:flex}
  .links a{
    display:block;
    padding:14px 8px;
    border-bottom:1px solid #f0f1f4;
    font-size:14px;
  }
  .links a:last-child{border-bottom:0}

  /* page heroes */
  .pagehero{padding:58px 0 54px !important}
  .pagegrid{gap:30px}
  .pagehero h1{
    font-size:clamp(48px,13vw,66px) !important;
    line-height:.96 !important;
  }
  .pagehero .lead{
    font-size:18px;
    line-height:1.65;
  }
  .pagehero img{
    max-height:340px !important;
    width:100%;
    object-fit:cover;
  }

  /* general section rhythm */
  .section{padding:72px 0}
  .tight{padding:56px 0}
  h2{font-size:clamp(36px,10vw,54px)}

  /* HOME App / Professional — remove absolute overlap */
  .eco{
    grid-template-columns:1fr !important;
    gap:18px;
  }
  .eco-card{
    min-height:auto !important;
    padding:30px 24px !important;
  }
  .eco-card .eco-copy{
    max-width:100% !important;
  }
  .eco-card.app .flow{
    position:static !important;
    right:auto !important;
    bottom:auto !important;
    width:100% !important;
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:10px !important;
    margin-top:26px !important;
  }
  .eco-card.app .node{
    padding:18px !important;
  }
  .eco-card.pro img{
    position:static !important;
    width:auto !important;
    max-width:min(100%,330px) !important;
    max-height:420px !important;
    opacity:1 !important;
    margin:26px auto 0 !important;
  }

  /* grids that become cramped on phones */
  .system-flow,.semgrid,.usegrid{
    grid-template-columns:1fr 1fr !important;
  }
  .recog{
    grid-template-columns:1fr 1fr !important;
  }
  .news{
    grid-template-columns:1fr !important;
  }
  .news article img{
    height:auto;
    aspect-ratio:16/10;
  }
  .filters{
    overflow-x:auto;
    flex-wrap:nowrap;
    padding-bottom:8px;
    scrollbar-width:none;
  }
  .filters::-webkit-scrollbar{display:none}
  .filters button{white-space:nowrap}

  /* footer */
  .footgrid{
    grid-template-columns:1fr 1fr !important;
    gap:28px 20px;
  }
}

@media(max-width:600px){
  .container{width:calc(100% - 32px)}
  .section{padding:62px 0}
  .tight{padding:48px 0}
  .pagehero{padding:46px 0 44px !important}
  .pagehero h1{
    font-size:clamp(46px,14vw,60px) !important;
  }
  .pagehero img{
    max-height:300px !important;
  }
  .system-flow,.semgrid,.usegrid,.recog{
    grid-template-columns:1fr !important;
  }
  .metrics{grid-template-columns:1fr !important}
  .eco-card{border-radius:24px}
  .eco-card h2{font-size:42px !important}
  .eco-card.app .flow{margin-top:22px !important}
  .footgrid{grid-template-columns:1fr !important}
}