:root{
    /* enterprise palette: deep authoritative navy, restrained accents */
    --ink:#0B1220;
    --ink-2:#1C2434;
    --body:#4A5468;
    --muted:#7C8698;
    --hair:#DFE3EA;
    --hair-strong:#C4CAD6;
    --paper:#FFFFFF;
    --paper-2:#F6F7FA;
    --paper-3:#EDEFF4;
    --navy:#0E1B33;
    --navy-2:#16294C;
    --accent:#1F4E8C;
    --accent-2:#2E6FB8;
    --gold:#9A7B3F;
    --on-navy:#E9EDF5;
    --on-navy-dim:#A9B5CC;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    box-sizing:border-box;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:calc(60px + env(safe-area-inset-top,0px));-webkit-text-size-adjust:100%;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  }
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:"Noto Sans KR","Malgun Gothic",sans-serif;
    font-weight:400;line-height:1.75;letter-spacing:-0.005em;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.03em;line-height:1.28;color:var(--ink);}
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .num{font-family:"Inter","Noto Sans KR",sans-serif;font-feature-settings:"tnum";}

  .wrap{max-width:1180px;margin:0 auto;padding:0 32px;width:100%;}
  @media (max-width:640px){.wrap{padding:0 20px;}}

  /* ============ top utility + nav ============ */
  .utility{background:var(--navy);color:var(--on-navy-dim);font-size:.74rem;letter-spacing:.02em;border-bottom:1px solid rgba(255,255,255,.08);}
  .utility .wrap{display:flex;justify-content:space-between;align-items:center;height:34px;gap:16px;}
  .utility b{color:var(--on-navy);font-weight:600;}
  .utility .u-right{display:flex;gap:18px;}
  @media (max-width:760px){.utility .u-right span:nth-child(n+2){display:none;}}

  header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.94);backdrop-filter:blur(12px) saturate(1.2);border-bottom:1px solid var(--hair);}
  .nav-row{max-width:1180px;margin:0 auto;padding:0 32px;height:62px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
  @media (max-width:640px){.nav-row{padding:0 20px;height:56px;}}
  .brand-logo{height:26px;width:auto;}
  nav.desk{display:flex;gap:30px;}
  nav.desk a{font-size:.86rem;font-weight:500;color:var(--body);padding:6px 0;border-bottom:2px solid transparent;transition:color .18s,border-color .18s;}
  nav.desk a:hover{color:var(--accent);border-bottom-color:var(--accent);}
  .nav-cta{display:inline-flex;align-items:center;gap:7px;background:var(--navy);color:#fff;font-size:.82rem;font-weight:600;padding:10px 20px;letter-spacing:.01em;}
  .nav-cta:hover{background:var(--accent);}
  .menu-btn{display:none;background:none;border:1px solid var(--hair-strong);color:var(--ink);padding:8px 13px;font-size:.78rem;font-weight:600;cursor:pointer;letter-spacing:.06em;}
  @media (max-width:980px){nav.desk,header .nav-cta{display:none;}.menu-btn{display:block;}}

  nav.overlay{position:fixed;inset:0;background:var(--navy);z-index:200;display:flex;flex-direction:column;justify-content:center;padding:0 32px;opacity:0;pointer-events:none;transition:opacity .28s ease;}
  nav.overlay.open{opacity:1;pointer-events:auto;}
  nav.overlay a{color:#fff;font-size:1.3rem;font-weight:600;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:baseline;gap:14px;opacity:0;transform:translateY(10px);}
  nav.overlay a i{font-style:normal;font-size:.72rem;color:var(--on-navy-dim);font-family:"Inter",sans-serif;min-width:22px;}
  nav.overlay.open a{animation:navIn .4s ease forwards;}
  nav.overlay.open a:nth-of-type(2){animation-delay:.04s}
  nav.overlay.open a:nth-of-type(3){animation-delay:.08s}
  nav.overlay.open a:nth-of-type(4){animation-delay:.12s}
  nav.overlay.open a:nth-of-type(5){animation-delay:.16s}
  nav.overlay.open a:nth-of-type(6){animation-delay:.20s}
  nav.overlay.open a:nth-of-type(7){animation-delay:.24s}
  nav.overlay.open a:nth-of-type(8){animation-delay:.28s}
  nav.overlay.open a:nth-of-type(9){animation-delay:.32s}
  @keyframes navIn{to{opacity:1;transform:translateY(0)}}
  nav.overlay .close-btn{position:absolute;top:calc(16px + env(safe-area-inset-top,0px));right:26px;background:none;border:1px solid rgba(255,255,255,.35);color:#fff;padding:9px 14px;font-size:.76rem;letter-spacing:.06em;cursor:pointer;}

  /* ============ generic section ============ */
  section{padding:104px 0;}
  @media (max-width:760px){section{padding:68px 0;}}
  .sec-navy{background:var(--navy);color:var(--on-navy);}
  .sec-navy h2,.sec-navy h3{color:#fff;}
  .sec-paper2{background:var(--paper-2);}
  .sec-paper3{background:var(--paper-3);}

  .sec-head{display:grid;grid-template-columns:auto 1fr;gap:0 26px;align-items:start;margin-bottom:56px;}
  @media (max-width:640px){.sec-head{gap:0 16px;margin-bottom:38px;}}
  .sec-idx{font-family:"Inter",sans-serif;font-size:.78rem;font-weight:600;color:var(--accent-2);letter-spacing:.1em;padding-top:8px;border-top:2px solid var(--accent-2);min-width:40px;white-space:nowrap;}
  .sec-navy .sec-idx{color:#7FA8DF;border-top-color:#7FA8DF;}
  .sec-kicker{font-family:"Inter",sans-serif;font-size:.74rem;font-weight:600;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;display:block;margin-bottom:12px;}
  .sec-navy .sec-kicker{color:#8496B5;}
  .sec-head h2{font-size:2.1rem;font-weight:800;}
  @media (max-width:640px){.sec-head h2{font-size:1.55rem;}}
  .sec-head .sub{margin-top:18px;font-size:1rem;color:var(--body);max-width:62ch;font-weight:400;}
  .sec-navy .sec-head .sub{color:var(--on-navy-dim);}

  /* reveal */
  .rv{opacity:0;transform:translateY(20px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1);}
  .rv.in{opacity:1;transform:none;}
  .rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}

  /* ============ hero ============ */
  #hero{position:relative;padding:0;min-height:calc(100svh - 96px);display:flex;align-items:center;overflow:hidden;background:var(--navy);}
  .hero-bg{position:absolute;inset:-4%;background-size:cover;background-position:center;z-index:0;animation:kb 34s ease-in-out infinite alternate;}
  @keyframes kb{0%{transform:scale(1.03)}100%{transform:scale(1.16) translate3d(-1.5%,-2%,0)}}
  .hero-veil{position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(9,17,33,.94) 0%,rgba(9,17,33,.80) 42%,rgba(9,17,33,.42) 100%);}
  .hero-grid-lines{position:absolute;inset:0;z-index:1;background-image:linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:calc(100%/6) 100%;}
  #hero .wrap{position:relative;z-index:2;padding-top:88px;padding-bottom:88px;}
  .hero-tag{display:inline-flex;align-items:center;gap:10px;font-family:"Inter",sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.18em;color:#9FBEE8;text-transform:uppercase;margin-bottom:26px;opacity:0;animation:fu .8s ease .15s forwards;}
  .hero-tag::before{content:"";width:34px;height:1px;background:#9FBEE8;}
  #hero h1{font-size:3.3rem;font-weight:800;color:#fff;letter-spacing:-0.04em;line-height:1.16;}
  @media (max-width:900px){#hero h1{font-size:2.5rem;}}
  @media (max-width:560px){#hero h1{font-size:1.95rem;}}
  .hl{display:block;overflow:hidden;}
  .hl > span{display:block;transform:translateY(105%);animation:lu 1s cubic-bezier(.19,1,.22,1) forwards;}
  .hl:nth-of-type(2) > span{animation-delay:.1s}
  @keyframes lu{to{transform:none}}
  .hero-sub{margin-top:26px;font-size:1.06rem;color:#C6D3E8;max-width:50ch;font-weight:400;opacity:0;animation:fu .9s ease .48s forwards;}
  @keyframes fu{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
  .hero-actions{display:flex;gap:12px;margin-top:38px;flex-wrap:wrap;opacity:0;animation:fu .9s ease .62s forwards;}
  .btn{display:inline-flex;align-items:center;gap:9px;padding:15px 30px;font-size:.92rem;font-weight:600;letter-spacing:.01em;transition:background .2s,color .2s,border-color .2s;}
  .btn-w{background:#fff;color:var(--navy);}
  .btn-w:hover{background:#DCE6F5;}
  .btn-o{border:1px solid rgba(255,255,255,.45);color:#fff;}
  .btn-o:hover{background:rgba(255,255,255,.1);border-color:#fff;}

  /* hero credential bar */
  .cred-bar{position:relative;z-index:2;background:rgba(255,255,255,.055);border-top:1px solid rgba(255,255,255,.13);backdrop-filter:blur(4px);}
  .cred-bar .wrap{display:flex;gap:0;flex-wrap:wrap;padding-top:0;padding-bottom:0;}
  .cred{flex:1 1 0;min-width:140px;padding:22px 20px 22px 0;border-right:1px solid rgba(255,255,255,.12);}
  .cred:last-child{border-right:none;}
  @media (max-width:1020px){.cred{flex:1 1 33.333%;min-width:33.333%;}.cred:nth-child(3n){border-right:none;}}
  @media (max-width:760px){.cred{flex:1 1 50%;min-width:50%;padding:18px 16px 18px 0;}.cred:nth-child(3n){border-right:1px solid rgba(255,255,255,.12);}.cred:nth-child(2n){border-right:none;}}
  .cred-v{font-family:"Inter",sans-serif;font-size:1.42rem;font-weight:600;color:#fff;letter-spacing:-0.02em;}
  .cred-v small{font-size:.8rem;font-weight:500;margin-left:3px;color:#A9B5CC;}
  .cred-l{margin-top:4px;font-size:.76rem;color:#93A3C0;letter-spacing:.02em;}

  /* ============ definition list / spec tables ============ */
  .spec{border-top:1.5px solid var(--ink);}
  .spec-row{display:grid;grid-template-columns:200px 1fr;gap:0 28px;padding:19px 4px;border-bottom:1px solid var(--hair);align-items:baseline;}
  @media (max-width:640px){.spec-row{grid-template-columns:1fr;gap:5px;padding:15px 2px;}}
  .spec-k{font-size:.84rem;font-weight:600;color:var(--muted);letter-spacing:.02em;}
  .spec-v{font-size:.96rem;color:var(--ink-2);font-weight:500;}
  .spec-v .dim{color:var(--body);font-weight:400;}
  .sec-navy .spec{border-top-color:rgba(255,255,255,.5);}
  .sec-navy .spec-row{border-bottom-color:rgba(255,255,255,.12);}
  .sec-navy .spec-k{color:#8496B5;}
  .sec-navy .spec-v{color:#fff;}

  /* ============ two-col intro ============ */
  .split{display:grid;grid-template-columns:1fr 1fr;gap:64px;}
  @media (max-width:900px){.split{grid-template-columns:1fr;gap:40px;}}
  .statement{font-size:1.28rem;line-height:1.66;font-weight:500;color:var(--ink);letter-spacing:-0.02em;}
  .sec-navy .statement{color:#fff;}
  .statement em{font-style:normal;color:var(--accent-2);font-weight:600;}
  .sec-navy .statement em{color:#8FB6E8;}
  .body-copy{margin-top:22px;font-size:.98rem;color:var(--body);}
  .sec-navy .body-copy{color:var(--on-navy-dim);}

  /* ============ capability cards (business) ============ */
  .biz-list{border-top:1.5px solid var(--ink);}
  .biz-row{display:grid;grid-template-columns:52px 1fr 1.25fr;gap:0 32px;padding:32px 6px;border-bottom:1px solid var(--hair);transition:background .22s;}
  @media (max-width:820px){.biz-row{grid-template-columns:34px 1fr;gap:0 18px;}.biz-row .biz-r{grid-column:2;margin-top:14px;}}
  .biz-row:hover{background:var(--paper-2);}
  .biz-row.key{background:var(--navy);color:var(--on-navy);border-bottom-color:var(--navy);}
  .biz-row.key:hover{background:var(--navy-2);}
  .biz-no{font-family:"Inter",sans-serif;font-size:.8rem;font-weight:600;color:var(--muted);padding-top:5px;}
  .biz-row.key .biz-no{color:#7FA8DF;}
  .biz-t{font-size:1.24rem;font-weight:700;letter-spacing:-0.025em;}
  .biz-row.key .biz-t{color:#fff;}
  .biz-badge{display:inline-block;margin-top:10px;font-size:.72rem;font-weight:600;letter-spacing:.03em;color:var(--accent);border:1px solid var(--hair-strong);padding:3px 10px;}
  .biz-row.key .biz-badge{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.1);}
  .biz-d{font-size:.95rem;color:var(--body);}
  .biz-row.key .biz-d{color:#BCC9E0;}
  .biz-proc{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px;}
  .biz-proc span{font-size:.72rem;color:var(--muted);background:var(--paper-3);padding:4px 9px;letter-spacing:.02em;}
  .biz-row.key .biz-proc span{color:#C6D3E8;background:rgba(255,255,255,.1);}
  .biz-cl{display:block;margin-top:14px;font-size:.8rem;color:var(--gold);font-weight:600;letter-spacing:.01em;}
  .biz-row.key .biz-cl{color:#D8B978;}

  /* ============ rails ============ */
  .rail-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px;flex-wrap:wrap;}
  .rail-nav{display:flex;gap:8px;}
  .rail-btn{width:46px;height:46px;border:1px solid var(--hair-strong);background:transparent;color:var(--ink);font-size:.95rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .18s,border-color .18s,opacity .18s;}
  .rail-btn:hover{background:var(--ink);border-color:var(--ink);color:#fff;}
  .rail-btn:disabled{opacity:.25;cursor:default;background:transparent;border-color:var(--hair-strong);color:var(--ink);}
  .sec-navy .rail-btn{border-color:rgba(255,255,255,.35);color:#fff;}
  .sec-navy .rail-btn:hover{background:#fff;color:var(--navy);border-color:#fff;}
  .sec-navy .rail-btn:disabled{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
  .rail-hint{font-size:.78rem;color:var(--muted);letter-spacing:.02em;}
  .sec-navy .rail-hint{color:#8496B5;}

  .rail{display:flex;gap:1px;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none;cursor:grab;background:var(--hair);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);}
  .rail::-webkit-scrollbar{display:none;}
  .rail.dragging{cursor:grabbing;scroll-snap-type:none;}
  .rail.dragging *{pointer-events:none;}
  .rail > article{margin:0;flex:0 0 auto;width:318px;scroll-snap-align:start;background:var(--paper);padding:0 0 26px;}
  @media (max-width:560px){.rail > article{width:80vw;}}
  .rail-proc img{width:100%;aspect-ratio:64/31;object-fit:cover;filter:saturate(.92) contrast(1.03);}
  .proc-body{padding:20px 22px 0;}
  .proc-no{font-family:"Inter",sans-serif;font-size:.72rem;font-weight:600;color:var(--accent-2);letter-spacing:.1em;}
  .proc-t{margin-top:7px;font-size:1.06rem;font-weight:700;letter-spacing:-0.02em;}
  .proc-d{margin-top:9px;font-size:.87rem;color:var(--body);}

  .sec-navy .rail{background:rgba(255,255,255,.14);border-top-color:rgba(255,255,255,.18);border-bottom-color:rgba(255,255,255,.18);}
  .sec-navy .rail > article{background:var(--navy);}
  .rail-cert.cert-light > article{background:var(--paper);}
  .rail-cert.cert-light .cert-shell{background:var(--paper);border-bottom:1px solid var(--hair);padding-bottom:16px;}
  .rail-cert.cert-light .cert-n{color:var(--ink);}
  .rail-cert.cert-light .cert-s{color:var(--body);}
  .rail-cert.cert-light .cert-code{color:var(--accent-2);}
  .rail-cert > article{width:270px;}
  @media (max-width:560px){.rail-cert > article{width:68vw;}}
  .cert-shell{background:#fff;padding:18px 18px 0;}
  .rail-cert img{width:100%;height:302px;object-fit:contain;}
  .cert-meta{padding:16px 20px 0;}
  .cert-n{font-size:.98rem;font-weight:700;color:#fff;letter-spacing:-0.01em;}
  .cert-s{margin-top:4px;font-size:.79rem;color:#93A3C0;}
  .cert-code{margin-top:8px;font-family:"Inter",sans-serif;font-size:.72rem;color:#7FA8DF;letter-spacing:.03em;}

  .rail-prog{height:2px;background:var(--hair);margin-top:26px;position:relative;overflow:hidden;}
  .sec-navy .rail-prog{background:rgba(255,255,255,.18);}
  .rail-prog i{position:absolute;left:0;top:0;height:100%;background:var(--accent);transition:transform .12s linear;}
  .sec-navy .rail-prog i{background:#fff;}

  /* ============ products ============ */
  .prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
  @media (max-width:760px){.prod-grid{grid-template-columns:repeat(2,1fr);}}
  .prod-grid figure{margin:0;background:var(--paper);padding:26px 20px 22px;text-align:center;transition:background .2s;}
  .prod-grid figure:hover{background:var(--paper-2);}
  .prod-grid img{width:100%;max-width:168px;margin:0 auto;height:auto;}
  .prod-grid figcaption{margin-top:18px;padding-top:14px;border-top:1px solid var(--hair);}
  .prod-n{font-size:.92rem;font-weight:700;}
  .prod-t{margin-top:3px;font-size:.76rem;color:var(--muted);letter-spacing:.02em;}

  /* ============ clients ============ */
  .client-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16);}
  @media (max-width:900px){.client-grid{grid-template-columns:repeat(3,1fr);}}
  @media (max-width:520px){.client-grid{grid-template-columns:repeat(2,1fr);}}
  .client-cell{background:var(--navy);padding:26px 12px;text-align:center;font-size:.86rem;font-weight:600;color:#DCE4F2;letter-spacing:-0.01em;transition:background .2s,color .2s;}
  .client-cell:hover{background:var(--navy-2);color:#fff;}
  .client-note{margin-top:20px;font-size:.78rem;color:#7C8AA6;}

  /* ============ timeline ============ */
  .tl{border-top:1.5px solid var(--ink);}
  .tl-era{padding:22px 4px 8px;font-family:"Inter",sans-serif;font-size:.74rem;font-weight:600;letter-spacing:.14em;color:var(--accent-2);}
  .tl-row{display:grid;grid-template-columns:78px 1fr;gap:0 26px;padding:15px 4px;border-bottom:1px solid var(--hair);}
  @media (max-width:560px){.tl-row{grid-template-columns:58px 1fr;gap:0 16px;}}
  .tl-y{font-family:"Inter",sans-serif;font-size:.95rem;font-weight:600;color:var(--ink);}
  .tl-d{font-size:.9rem;color:var(--body);}

  /* group cards */
  .grp{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
  @media (max-width:640px){.grp{grid-template-columns:1fr;}}
  .grp-cell{background:var(--paper);padding:22px 22px;}
  .grp-n{font-size:1rem;font-weight:700;display:flex;flex-wrap:wrap;align-items:baseline;gap:0 8px;}
  .grp-y{font-family:"Inter",sans-serif;font-size:.72rem;font-weight:600;color:var(--accent-2);letter-spacing:.04em;margin-left:0;}
  .grp-d{margin-top:10px;font-size:.82rem;color:var(--body);line-height:1.85;}
  .grp-d .num{color:var(--ink-2);font-weight:500;}

  .notice{margin-top:26px;padding:18px 20px;background:var(--paper-3);border-left:3px solid var(--hair-strong);font-size:.83rem;color:var(--body);line-height:1.8;}
  .sec-navy .notice{background:rgba(255,255,255,.06);border-left-color:rgba(255,255,255,.3);color:var(--on-navy-dim);}

  /* ============ contact ============ */
  .ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16);margin-bottom:1px;}
  @media (max-width:640px){.ct-grid{grid-template-columns:1fr;}}
  .ct-cell{background:var(--navy);padding:28px 26px;}
  .ct-k{font-family:"Inter",sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.14em;color:#7FA8DF;text-transform:uppercase;}
  .ct-v{margin-top:12px;font-size:1.22rem;font-weight:600;color:#fff;letter-spacing:-0.01em;line-height:1.5;}
  .ct-v a:hover{color:#8FB6E8;}
  .ct-s{margin-top:6px;font-size:.79rem;color:#8496B5;}
  .loc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16);}
  @media (max-width:900px){.loc-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:520px){.loc-grid{grid-template-columns:1fr;}}
  .loc-cell{background:var(--navy);padding:22px 20px;}
  .loc-n{font-size:.88rem;font-weight:700;color:#fff;}
  .loc-tag{display:inline-block;margin-left:7px;font-size:.68rem;color:#7FA8DF;border:1px solid rgba(127,168,223,.45);padding:1px 6px;letter-spacing:.03em;}
  .loc-a{margin-top:9px;font-size:.81rem;color:#93A3C0;line-height:1.65;}

  /* ============ footer ============ */
  footer{background:#070D1A;color:#6E7C97;padding:52px 0 40px;font-size:.8rem;}
  .ft-top{display:grid;grid-template-columns:1.3fr 1fr;gap:44px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1);}
  @media (max-width:760px){.ft-top{grid-template-columns:1fr;gap:28px;}}
  .ft-logo{height:24px;width:auto;filter:brightness(0) invert(1);opacity:.85;margin-bottom:18px;}
  .ft-biz{line-height:1.95;}
  .ft-biz b{color:#A4B1C9;font-weight:600;}
  .ft-links{display:flex;flex-direction:column;gap:9px;}
  .ft-links a{color:#8494AE;}
  .ft-links a:hover{color:#fff;}
  .ft-bot{padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.75rem;color:#5B687F;}
  .todo{color:#8A6D3B;background:rgba(214,178,94,.1);padding:1px 7px;font-size:.72rem;letter-spacing:.02em;}

  /* ============ division blocks ============ */
  .div-block{border-top:1.5px solid var(--ink);padding-top:0;}
  .div-block + .div-block{margin-top:74px;}
  @media (max-width:760px){.div-block + .div-block{margin-top:52px;}}
  .div-hd{display:grid;grid-template-columns:auto 1fr auto;gap:0 22px;align-items:baseline;padding:22px 2px 20px;border-bottom:1px solid var(--hair);}
  @media (max-width:760px){.div-hd{grid-template-columns:auto 1fr;gap:0 14px;}.div-hd .div-meta{grid-column:1/-1;margin-top:10px;}}
  .div-no{font-family:"Inter",sans-serif;font-size:.76rem;font-weight:600;color:var(--accent-2);letter-spacing:.1em;}
  .div-t{font-size:1.5rem;font-weight:800;letter-spacing:-0.03em;}
  .div-t span{display:inline-block;margin-left:10px;font-size:.84rem;font-weight:500;color:var(--muted);letter-spacing:0;}
  .div-meta{font-size:.8rem;color:var(--muted);text-align:right;}
  @media (max-width:760px){.div-meta{text-align:left;}}
  .div-desc{padding:20px 2px 0;font-size:.95rem;color:var(--body);max-width:78ch;}
  .div-cl{display:block;margin-top:12px;font-size:.82rem;color:var(--gold);font-weight:600;}

  /* flow chips */
  .flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;margin:24px 0 4px;}
  .flow-step{display:flex;align-items:center;gap:0;}
  .flow-box{border:1px solid var(--hair-strong);padding:11px 16px;background:var(--paper);min-width:0;}
  .sec-paper2 .flow-box{background:#fff;}
  .flow-n{font-family:"Inter",sans-serif;font-size:.66rem;font-weight:600;color:var(--accent-2);letter-spacing:.08em;}
  .flow-t{font-size:.92rem;font-weight:700;margin-top:2px;letter-spacing:-0.02em;}
  .flow-s{font-size:.73rem;color:var(--muted);margin-top:3px;line-height:1.55;}
  .flow-ar{padding:0 10px;color:var(--hair-strong);font-size:.9rem;display:flex;align-items:center;}
  @media (max-width:640px){
    .flow{flex-direction:column;align-items:stretch;}
    .flow-step{flex-direction:column;align-items:stretch;}
    .flow-ar{padding:6px 0;justify-content:center;transform:rotate(90deg);}
  }

  /* division photo strip */
  .dstrip{display:grid;gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:26px;}
  .dstrip.c4{grid-template-columns:repeat(4,1fr);}
  .dstrip.c3{grid-template-columns:repeat(3,1fr);}
  .dstrip.c2{grid-template-columns:repeat(2,1fr);}
  @media (max-width:900px){.dstrip.c4{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:640px){.dstrip.c4,.dstrip.c3,.dstrip.c2{grid-template-columns:1fr;}}
  .dstrip figure{margin:0;background:var(--paper);}
  .dstrip img{width:100%;aspect-ratio:3/2;object-fit:cover;}
  .dstrip figcaption{padding:13px 15px 15px;}
  .dstrip .dc-n{font-family:"Inter",sans-serif;font-size:.66rem;font-weight:600;color:var(--accent-2);letter-spacing:.08em;}
  .dstrip .dc-t{font-size:.9rem;font-weight:700;margin-top:3px;}
  .dstrip .dc-d{font-size:.78rem;color:var(--body);margin-top:5px;line-height:1.6;}

  /* equipment table */
  .eq-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;}
  @media (max-width:820px){.eq-wrap{grid-template-columns:1fr;gap:0;}}
  .eq-h{font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--accent-2);padding:22px 2px 9px;border-bottom:1px solid var(--hair);font-family:"Inter",sans-serif;display:flex;align-items:baseline;gap:6px;}
  .eq-h i{font-style:normal;margin-left:auto;font-size:.82rem;font-weight:600;letter-spacing:0;color:#fff;}
  .light-section .eq-h i{color:var(--ink);}
  .sec-navy .eq-h{color:#7FA8DF;border-bottom-color:rgba(255,255,255,.14);}
  .eq-row{display:grid;grid-template-columns:1fr auto;gap:0 18px;padding:13px 2px;border-bottom:1px solid var(--hair);align-items:baseline;}
  .sec-navy .eq-row{border-bottom-color:rgba(255,255,255,.1);}
  .eq-n{font-size:.9rem;font-weight:500;}
  .sec-navy .eq-n{color:#fff;}
  .eq-n em{font-style:normal;display:block;font-size:.76rem;color:var(--muted);font-weight:400;margin-top:2px;}
  .sec-navy .eq-n em{color:#8496B5;}
  .eq-c{font-family:"Inter",sans-serif;font-size:1.02rem;font-weight:600;color:var(--accent);white-space:nowrap;}
  .sec-navy .eq-c{color:#9FC0F2;}
  .eq-total{display:flex;justify-content:space-between;align-items:baseline;margin-top:30px;padding:20px 22px;background:var(--navy);color:#fff;}
  .sec-navy .eq-total{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);}
  .eq-total-l{font-size:.86rem;font-weight:600;letter-spacing:.02em;}
  .eq-total-v{font-family:"Inter",sans-serif;font-size:1.6rem;font-weight:600;}
  .eq-total-v small{font-size:.82rem;font-weight:500;margin-left:3px;opacity:.75;}

  /* ============ PART divider ============ */
  .part{background:var(--navy);color:#fff;padding:0;}
  .part .wrap{display:grid;grid-template-columns:auto 1fr;gap:0 30px;align-items:center;padding:46px 32px;}
  @media (max-width:640px){.part .wrap{padding:34px 20px;gap:0 18px;}}
  .part-no{font-family:"Inter",sans-serif;font-size:.74rem;font-weight:600;letter-spacing:.2em;color:#7FA8DF;border:1px solid rgba(127,168,223,.5);padding:8px 14px;white-space:nowrap;}
  .part-t{font-size:1.5rem;font-weight:800;letter-spacing:-0.03em;}
  @media (max-width:640px){.part-t{font-size:1.15rem;}}
  .part-t em{font-style:normal;display:block;font-family:"Inter",sans-serif;font-size:.72rem;font-weight:500;letter-spacing:.14em;color:#8496B5;margin-top:5px;text-transform:uppercase;}

  /* ============ CEO message ============ */
  .ceo{display:grid;grid-template-columns:1fr 1.35fr;gap:56px;}
  @media (max-width:900px){.ceo{grid-template-columns:1fr;gap:30px;}}
  .ceo-quote{font-size:1.5rem;font-weight:800;line-height:1.5;letter-spacing:-0.035em;color:var(--ink);}
  @media (max-width:640px){.ceo-quote{font-size:1.2rem;}}
  .ceo-quote::before{content:"";display:block;width:46px;height:3px;background:var(--accent);margin-bottom:22px;}
  .ceo-body p{font-size:.99rem;color:var(--body);margin-bottom:17px;line-height:1.85;}
  .ceo-body p strong{color:var(--ink);font-weight:700;}
  .ceo-body p.lead{font-size:1.07rem;color:var(--ink-2);font-weight:500;}
  .ceo-sign{margin-top:30px;padding-top:22px;border-top:1px solid var(--hair);display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:10px;}
  .ceo-sign-n{font-size:1rem;font-weight:700;}
  .ceo-sign-n span{display:block;font-size:.8rem;font-weight:400;color:var(--muted);margin-top:3px;}
  .ceo-sign-m{font-size:.8rem;color:var(--accent);font-weight:600;letter-spacing:.02em;}

  /* ============ org chart ============ */
  .org{margin-top:8px;}
  .org-top{display:flex;justify-content:center;}
  .org-ceo{background:var(--navy);color:#fff;padding:15px 40px;font-size:1rem;font-weight:700;letter-spacing:-0.01em;text-align:center;}
  .org-ceo em{font-style:normal;display:block;font-family:"Inter",sans-serif;font-size:.68rem;font-weight:500;letter-spacing:.12em;opacity:.65;margin-top:3px;}
  .org-stem{width:1px;height:26px;background:var(--hair-strong);margin:0 auto;}
  .org-staff{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
  @media (max-width:760px){.org-staff{grid-template-columns:1fr;}}
  .org-staff div{background:var(--paper-2);padding:15px 16px;text-align:center;}
  .org-staff .os-n{font-size:.9rem;font-weight:700;}
  .org-staff .os-d{font-size:.76rem;color:var(--muted);margin-top:3px;}
  .org-units{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
  @media (max-width:980px){.org-units{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:560px){.org-units{grid-template-columns:1fr;}}
  .org-unit{background:var(--paper);padding:0;}
  .ou-hd{background:var(--navy-2);color:#fff;padding:14px 16px;}
  .ou-n{font-size:1rem;font-weight:700;}
  .ou-s{font-size:.74rem;color:#B3C4DE;margin-top:3px;}
  .ou-bd{padding:15px 16px 18px;}
  .ou-row{font-size:.8rem;color:var(--body);line-height:1.6;padding:6px 0;border-bottom:1px dotted var(--hair);}
  .ou-row:last-child{border-bottom:none;}
  .ou-row b{display:block;font-size:.7rem;color:var(--accent-2);font-weight:700;letter-spacing:.04em;margin-bottom:2px;}

  /* ============ policy blocks (환경/안전/윤리) ============ */
  .pol-lead{font-size:1.06rem;color:var(--ink-2);font-weight:500;max-width:74ch;margin-bottom:30px;}
  .sec-navy .pol-lead{color:#D5DFEF;}
  .pol-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);margin-bottom:46px;}
  @media (max-width:820px){.pol-principles{grid-template-columns:1fr;}}
  .pol-p{background:var(--paper);padding:24px 22px;}
  .sec-navy .pol-principles{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.16);}
  .sec-navy .pol-p{background:var(--navy);}
  .pol-p-n{font-family:"Inter",sans-serif;font-size:1.5rem;font-weight:600;color:var(--accent-2);line-height:1;}
  .sec-navy .pol-p-n{color:#7FA8DF;}
  .pol-p-t{font-size:1rem;font-weight:700;margin-top:12px;}
  .sec-navy .pol-p-t{color:#fff;}
  .pol-p-d{font-size:.86rem;color:var(--body);margin-top:8px;line-height:1.7;}
  .sec-navy .pol-p-d{color:#AFBDD4;}

  .task-h{font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--muted);font-family:"Inter",sans-serif;margin-bottom:16px;}
  .sec-navy .task-h{color:#8496B5;}
  .tasks{border-top:1.5px solid var(--ink);}
  .sec-navy .tasks{border-top-color:rgba(255,255,255,.4);}
  .task{display:grid;grid-template-columns:44px 1fr;gap:0 22px;padding:24px 2px;border-bottom:1px solid var(--hair);}
  .sec-navy .task{border-bottom-color:rgba(255,255,255,.1);}
  @media (max-width:640px){.task{grid-template-columns:32px 1fr;gap:0 14px;padding:19px 2px;}}
  .task-no{font-family:"Inter",sans-serif;font-size:.9rem;font-weight:600;color:var(--accent-2);}
  .sec-navy .task-no{color:#7FA8DF;}
  .task-t{font-size:1.05rem;font-weight:700;letter-spacing:-0.02em;}
  .sec-navy .task-t{color:#fff;}
  .task-items{margin-top:12px;display:flex;flex-direction:column;gap:11px;}
  .task-i{font-size:.89rem;color:var(--body);line-height:1.7;padding-left:14px;position:relative;}
  .sec-navy .task-i{color:#AFBDD4;}
  .task-i::before{content:"";position:absolute;left:0;top:.72em;width:5px;height:1px;background:var(--hair-strong);}
  .sec-navy .task-i::before{background:rgba(255,255,255,.4);}
  .task-i b{color:var(--ink);font-weight:600;}
  .sec-navy .task-i b{color:#fff;}

  /* ============ clients by sector ============ */
  .cs-group{margin-bottom:34px;}
  .cs-h{display:flex;align-items:baseline;gap:12px;padding-bottom:11px;border-bottom:1px solid rgba(255,255,255,.2);margin-bottom:16px;}
  .cs-h-t{font-size:1rem;font-weight:700;color:#fff;}
  .cs-h-s{font-size:.78rem;color:#8496B5;}
  .cs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);}
  @media (max-width:820px){.cs-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:480px){.cs-grid{grid-template-columns:1fr;}}
  .cs-c{background:var(--navy);padding:18px 16px;transition:background .2s;}
  .cs-c:hover{background:var(--navy-2);}
  .cs-n{font-size:.92rem;font-weight:700;color:#E4EBF7;letter-spacing:-0.01em;}
  .cs-d{font-size:.74rem;color:#8496B5;margin-top:4px;}

  /* ============ whistleblower / customer center ============ */
  .cta-band{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;background:var(--paper-3);padding:32px 34px;border-left:3px solid var(--accent);}
  @media (max-width:760px){.cta-band{grid-template-columns:1fr;padding:26px 24px;}}
  .cta-t{font-size:1.15rem;font-weight:800;letter-spacing:-0.02em;}
  .cta-d{font-size:.89rem;color:var(--body);margin-top:9px;max-width:66ch;line-height:1.75;}
  .btn-navy{background:var(--navy);color:#fff;padding:15px 28px;font-size:.9rem;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:8px;}
  .btn-navy:hover{background:var(--accent);}

  /* contact cells on light bg */
  .ct-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
  @media (max-width:900px){.ct-wrap{grid-template-columns:1fr;}}
  .ct-cell-l{background:var(--paper);padding:30px 28px;}
  .ct-cell-l .ct-k{font-family:"Inter",sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.14em;color:var(--accent-2);text-transform:uppercase;}
  .ct-cell-l .ct-v{margin-top:12px;font-size:1.32rem;font-weight:700;color:var(--ink);letter-spacing:-0.02em;}
  .ct-cell-l .ct-v a:hover{color:var(--accent);}
  .ct-cell-l .ct-s{margin-top:5px;font-size:.79rem;color:var(--muted);}
  .ct-guide{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
  .ct-guide div{font-size:.88rem;color:var(--body);}
  .ct-guide span{color:var(--muted);font-size:.8rem;}

  /* locations */
  .loc-list{border-top:1.5px solid var(--ink);}
  .loc-item{display:grid;grid-template-columns:.85fr 1.15fr;gap:0 32px;padding:24px 4px;border-bottom:1px solid var(--hair);}
  @media (max-width:720px){.loc-item{grid-template-columns:1fr;gap:10px;}}
  .loc-item .loc-n{font-size:1.02rem;font-weight:700;color:var(--ink);display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;}
  .loc-item .loc-tag{font-family:"Inter",sans-serif;font-size:.66rem;font-weight:600;color:var(--accent);border:1px solid var(--hair-strong);padding:2px 8px;letter-spacing:.04em;}
  .loc-item .loc-p{margin-top:6px;font-size:.82rem;color:var(--muted);}
  .loc-item .loc-a{font-size:.95rem;color:var(--ink-2);}
  .loc-item .loc-t{margin-top:6px;font-size:.84rem;color:var(--accent);font-weight:600;}

  /* ============ why (persona) grid ============ */
  .why-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16);}
  @media (max-width:900px){.why-grid{grid-template-columns:1fr;}}
  .why-col{background:var(--navy);padding:0;}
  .why-hd{padding:30px 30px 26px;border-bottom:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);}
  @media (max-width:640px){.why-hd{padding:24px 22px 20px;}}
  .why-for{font-family:"Inter",sans-serif;font-size:.68rem;font-weight:600;letter-spacing:.16em;color:#7FA8DF;}
  .why-t{font-size:1.32rem;font-weight:800;color:#fff;margin-top:10px;letter-spacing:-0.03em;}
  .why-q{margin-top:12px;font-size:.9rem;color:#9FB2CE;font-style:italic;}
  .why-items{padding:8px 30px 30px;}
  @media (max-width:640px){.why-items{padding:6px 22px 24px;}}
  .why-i{padding:22px 0;border-bottom:1px dotted rgba(255,255,255,.16);}
  .why-i:last-child{border-bottom:none;}
  .why-i-t{font-size:1.02rem;font-weight:700;color:#fff;letter-spacing:-0.02em;}
  .why-i-d{margin-top:9px;font-size:.89rem;color:#AFBDD4;line-height:1.78;}
  .why-i-d b{color:#EAF0FA;font-weight:600;}

  /* ============ eco printing ============ */
  .eco-hero{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start;}
  @media (max-width:900px){.eco-hero{grid-template-columns:1fr;gap:32px;}}
  .eco-badge{display:inline-block;font-family:"Inter",sans-serif;font-size:.68rem;font-weight:700;letter-spacing:.16em;color:#fff;background:var(--accent);padding:7px 14px;}
  .eco-claim{margin-top:20px;font-size:2rem;font-weight:800;letter-spacing:-0.035em;line-height:1.28;color:var(--ink);}
  @media (max-width:640px){.eco-claim{font-size:1.5rem;}}
  .eco-claim em{font-style:normal;color:var(--accent);}
  .eco-desc{margin-top:18px;font-size:.96rem;color:var(--body);line-height:1.85;}
  .eco-desc b{color:var(--ink);font-weight:700;}
  .eco-spec{background:var(--paper);border:1px solid var(--hair);}
  .eco-spec-h{font-family:"Inter",sans-serif;font-size:.7rem;font-weight:700;letter-spacing:.12em;color:var(--accent-2);padding:16px 20px 10px;border-bottom:1px solid var(--hair);background:var(--paper-2);}
  .eco-spec-r{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:14px 20px;border-bottom:1px solid var(--hair);}
  .eco-spec-r:last-child{border-bottom:none;}
  .eco-spec-r span{font-size:.9rem;color:var(--ink-2);}
  .eco-spec-r b{font-size:1.05rem;font-weight:600;color:var(--accent);}
  .eco-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:46px;}
  @media (max-width:900px){.eco-cards{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:520px){.eco-cards{grid-template-columns:1fr;}}
  .eco-card{background:var(--paper);padding:24px 22px;}
  .eco-card-n{font-family:"Inter",sans-serif;font-size:1.3rem;font-weight:600;color:var(--accent-2);line-height:1;}
  .eco-card-t{font-size:1rem;font-weight:700;margin-top:11px;}
  .eco-card-d{font-size:.84rem;color:var(--body);margin-top:8px;line-height:1.7;}

  /* ============ FAQ ============ */
  .faq{border-top:1.5px solid var(--ink);}
  .faq-item{border-bottom:1px solid var(--hair);}
  .faq-q{width:100%;background:none;border:none;text-align:left;padding:23px 40px 23px 2px;font-family:inherit;font-size:1.02rem;font-weight:700;color:var(--ink);cursor:pointer;position:relative;letter-spacing:-0.02em;line-height:1.5;}
  .faq-q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:1.3rem;font-weight:400;color:var(--accent-2);transition:transform .25s;}
  .faq-item.open .faq-q::after{content:"\2212";}
  .faq-q:hover{color:var(--accent);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
  .faq-item.open .faq-a{max-height:900px;}
  .faq-a-in{padding:0 40px 26px 2px;font-size:.93rem;color:var(--body);line-height:1.85;}
  .faq-a-in b{color:var(--ink);font-weight:600;}
  .faq-a-in ul{margin:12px 0 0;padding-left:18px;}
  .faq-a-in li{margin-bottom:7px;}

  /* equipment subtotals */
  .eq-sub{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.18);margin-top:34px;}
  @media (max-width:1100px){.eq-sub{grid-template-columns:repeat(3,1fr);}}
  @media (max-width:820px){.eq-sub{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:480px){.eq-sub{grid-template-columns:1fr;}}
  .eq-sub-c{background:var(--navy);padding:20px 16px;}
  .eq-sub-v{font-family:"Inter",sans-serif;font-size:1.7rem;font-weight:600;color:#fff;line-height:1;}
  .eq-sub-v small{font-size:.78rem;font-weight:500;margin-left:3px;color:#93A3C0;}
  .eq-sub-l{margin-top:9px;font-size:.88rem;font-weight:600;color:#DCE4F2;}
  .eq-sub-l em{font-style:normal;display:block;font-size:.74rem;font-weight:400;color:#8496B5;margin-top:4px;line-height:1.6;}

  /* ============ motto band ============ */
  .motto{position:relative;background:var(--navy);color:#fff;padding:0;overflow:hidden;}
  .motto-bg{position:absolute;inset:0;z-index:0;
    background-image:linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:calc(100%/8) 100%;}
  .motto-in{position:relative;z-index:1;padding-top:104px;padding-bottom:104px;text-align:center;}
  @media (max-width:760px){.motto-in{padding-top:70px;padding-bottom:70px;}}
  .motto-kicker{display:inline-block;font-family:"Inter",sans-serif;font-size:.7rem;font-weight:600;letter-spacing:.2em;color:#7FA8DF;text-transform:uppercase;}
  .motto-kr{margin-top:28px;font-size:4rem;font-weight:900;letter-spacing:-0.055em;line-height:1.08;color:#fff;}
  @media (max-width:900px){.motto-kr{font-size:3rem;}}
  @media (max-width:560px){.motto-kr{font-size:2.3rem;}}
  .motto-rule{width:52px;height:2px;background:#7FA8DF;margin:34px auto 0;}
  .motto-en{margin-top:26px;font-family:"Inter",sans-serif;font-size:1.02rem;font-weight:500;letter-spacing:.06em;color:#A9BCD9;}
  @media (max-width:560px){.motto-en{font-size:.9rem;}}
  .motto-note{margin:30px auto 0;max-width:62ch;font-size:.92rem;color:#8496B5;line-height:1.9;}

  /* ============ printing table ============ */
  .pr-table{border:1px solid var(--hair);background:var(--hair);display:grid;gap:1px;}
  .pr-row{display:grid;grid-template-columns:1.05fr .42fr 1.25fr 1.5fr;gap:0;background:var(--paper);}
  @media (max-width:900px){
    .pr-row{grid-template-columns:1fr .4fr;}
    .pr-row .pr-u,.pr-row .pr-s{grid-column:1/-1;border-top:1px dotted var(--hair);}
    .pr-head{display:none;}
  }
  .pr-row > div{padding:20px 20px;}
  .pr-head{background:var(--navy);}
  .pr-head > div{color:#C6D3E8;font-size:.76rem;font-weight:600;letter-spacing:.08em;padding:14px 20px;}
  .pr-eco{background:#F4F8FD;}
  .pr-n{font-size:1.05rem;font-weight:700;letter-spacing:-0.02em;}
  .pr-n em{font-style:normal;display:block;font-family:"Inter",sans-serif;font-size:.7rem;font-weight:500;color:var(--muted);letter-spacing:.06em;margin-top:3px;}
  .pr-tag{display:inline-block;margin-top:9px;font-size:.66rem;font-weight:700;letter-spacing:.06em;color:#fff;background:var(--accent);padding:3px 9px;}
  .pr-c{font-family:"Inter",sans-serif;font-size:1.22rem;font-weight:600;color:var(--accent);}
  .pr-u{font-size:.86rem;color:var(--ink-2);line-height:1.7;}
  .pr-s{font-size:.86rem;color:var(--body);line-height:1.7;}
  .pr-s b{color:var(--ink);font-weight:700;}
  .pr-note{margin-top:34px;background:var(--navy);color:#fff;padding:34px 36px;}
  @media (max-width:640px){.pr-note{padding:26px 24px;}}
  .pr-note-t{font-size:1.12rem;font-weight:800;letter-spacing:-0.02em;color:#fff;}
  .pr-note-d{margin-top:14px;font-size:.93rem;color:#B6C4DB;line-height:1.85;max-width:88ch;}
  .pr-note-d b{color:#fff;font-weight:600;}

  /* ============ ESG KPI ============ */
  .kpi-head{font-family:"Inter",sans-serif;font-size:.74rem;font-weight:700;letter-spacing:.16em;
    color:var(--accent-2);margin:46px 0 14px;padding-bottom:9px;border-bottom:1.5px solid var(--ink);}
  .kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
  @media (max-width:900px){.kpi-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:520px){.kpi-grid{grid-template-columns:1fr;}}
  .kpi{background:var(--paper);padding:26px 22px 24px;}
  .kpi-v{font-family:"Inter",sans-serif;font-size:2.15rem;font-weight:600;color:var(--accent);line-height:1;letter-spacing:-.02em;}
  @media (max-width:640px){.kpi-v{font-size:1.8rem;}}
  .kpi-v small{font-size:.78rem;font-weight:500;color:var(--muted);margin-left:4px;letter-spacing:0;}
  .kpi-l{margin-top:13px;font-size:.93rem;font-weight:700;color:var(--ink);letter-spacing:-.02em;}
  .kpi-d{margin-top:7px;font-size:.78rem;color:var(--muted);line-height:1.65;}
  .kpi-note{margin-top:13px;font-size:.78rem;color:var(--muted);line-height:1.7;}

  .cta-mail{margin-top:12px;font-size:.88rem;color:var(--muted);}
  .cta-mail a{font-weight:700;color:var(--accent);border-bottom:1px solid rgba(31,78,140,.35);}
  .cta-mail a:hover{color:var(--navy);border-bottom-color:var(--navy);}

  /* ============ business unit slider ============ */
  .biz-stage{position:relative;}
  .biz-panels{display:none;}
  .biz-stage.open .biz-list{display:none;}
  .biz-stage.open .biz-panels{display:block;}
  .biz-panel[hidden]{display:none;}
  @keyframes bpIn{from{opacity:0;transform:translateX(34px);}to{opacity:1;transform:none;}}
  @keyframes blIn{from{opacity:0;transform:translateX(-34px);}to{opacity:1;transform:none;}}
  .biz-panel{animation:bpIn .42s cubic-bezier(.22,1,.36,1) both;}
  .biz-stage.back .biz-list{animation:blIn .42s cubic-bezier(.22,1,.36,1) both;}

  /* row = 클릭 유도 */
  .biz-row{cursor:pointer;transition:background .2s,box-shadow .2s;position:relative;}
  .biz-row::before{content:"";position:absolute;left:0;top:-1px;bottom:-1px;width:3px;
    background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .28s;}
  .biz-row:hover{background:var(--paper-2);}
  .biz-row:hover::before{transform:scaleY(1);}
  .biz-row:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}

  .biz-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px;}
  .biz-btn{display:inline-flex;align-items:center;gap:9px;background:var(--navy);color:#fff;
    padding:11px 20px;font-size:.85rem;font-weight:600;letter-spacing:-.01em;
    transition:background .2s,gap .2s;white-space:nowrap;}
  .biz-row:hover .biz-btn{background:var(--accent);gap:13px;}
  .biz-btn i{font-style:normal;}
  .biz-thumbs{display:flex;}
  .biz-thumbs img{width:46px;height:46px;object-fit:cover;border:2px solid var(--paper);
    margin-left:-12px;transition:transform .25s;}
  .biz-thumbs img:first-child{margin-left:0;}
  .biz-row:hover .biz-thumbs img{transform:translateY(-3px);}
  @media (max-width:640px){.biz-thumbs{display:none;}}

  /* panel */
  .bp-head{display:flex;align-items:center;gap:22px;flex-wrap:wrap;
    padding-bottom:18px;margin-bottom:28px;border-bottom:1.5px solid var(--ink);}
  .bp-back{background:none;border:1px solid var(--hair-strong);padding:10px 17px;
    font-family:inherit;font-size:.84rem;font-weight:600;color:var(--ink-2);cursor:pointer;
    transition:all .2s;white-space:nowrap;display:inline-flex;align-items:center;gap:8px;}
  .bp-back i{font-style:normal;transition:transform .2s;}
  .bp-back:hover{background:var(--navy);color:#fff;border-color:var(--navy);}
  .bp-back:hover i{transform:translateX(-4px);}
  .bp-title{font-size:1.32rem;font-weight:800;letter-spacing:-.03em;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;}
  .bp-title .num{font-size:.8rem;font-weight:600;color:var(--accent-2);letter-spacing:.08em;}
  .bp-title em{font-style:normal;font-family:"Inter",sans-serif;font-size:.78rem;font-weight:500;color:var(--muted);letter-spacing:.06em;}

  .bp-intro{margin-bottom:34px;}
  .bp-intro-h{font-family:"Inter",sans-serif;font-size:.74rem;font-weight:700;letter-spacing:.14em;
    color:var(--accent-2);margin-bottom:12px;}

  .pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
  @media (max-width:880px){.pgrid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:520px){.pgrid{grid-template-columns:1fr;}}
  .pcard{margin:0;background:var(--paper);}
  .pcard-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2);}
  .pcard-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s;}
  .pcard:hover .pcard-img img{transform:scale(1.035);}
  .pcard figcaption{padding:14px 16px 17px;}
  .pcard-t{font-size:.94rem;font-weight:700;letter-spacing:-.02em;}
  .pcard-s{font-size:.78rem;color:var(--muted);margin-top:4px;}
  .pcard-empty .pcard-img{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:11px;
    background:repeating-linear-gradient(45deg,#F7F8FA,#F7F8FA 9px,#F2F4F7 9px,#F2F4F7 18px);
    border-bottom:1px dashed var(--hair-strong);}
  .pcard-empty svg{width:40px;height:40px;fill:none;stroke:#B6BECC;stroke-width:2;stroke-linejoin:round;stroke-linecap:round;}
  .pcard-wait{font-size:.74rem;font-weight:600;color:#9AA3B2;letter-spacing:.06em;}
  .pcard-empty .pcard-t{color:var(--ink-2);}
  .bp-note{margin-top:20px;font-size:.86rem;color:var(--body);line-height:1.8;max-width:82ch;}

  .task-en{display:inline-block;margin-left:9px;font-family:"Inter",sans-serif;font-size:.74rem;
    font-weight:500;letter-spacing:.07em;color:var(--muted);vertical-align:baseline;}
  .sec-navy .task-en{color:#8496B5;}
  @media (max-width:520px){.task-en{display:block;margin-left:0;margin-top:3px;}}

  /* ============ policy downloads ============ */
  .dl-head{font-family:"Inter",sans-serif;font-size:.74rem;font-weight:700;letter-spacing:.16em;
    color:var(--accent-2);margin:52px 0 12px;padding-bottom:9px;border-bottom:1.5px solid var(--ink);}
  .dl-lead{font-size:.9rem;color:var(--body);margin-bottom:20px;max-width:78ch;}
  .dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);}
  @media (max-width:760px){.dl-grid{grid-template-columns:1fr;}}
  .dl{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:0 16px;
    background:var(--paper);padding:20px 22px;transition:background .2s;}
  .dl:hover{background:var(--paper-3);}
  .dl-ico svg{width:24px;height:24px;fill:none;stroke:var(--accent-2);stroke-width:1.7;
    stroke-linejoin:round;stroke-linecap:round;display:block;}
  .dl-txt b{display:block;font-size:.98rem;font-weight:700;color:var(--ink);letter-spacing:-.02em;}
  .dl-txt em{display:block;font-style:normal;font-family:"Inter",sans-serif;font-size:.74rem;
    color:var(--muted);margin-top:3px;letter-spacing:.03em;}
  .dl-txt i{display:block;font-style:normal;font-family:"Inter",sans-serif;font-size:.7rem;
    color:var(--accent-2);margin-top:5px;letter-spacing:.06em;}
  .dl-arw{font-size:1.15rem;color:var(--hair-strong);transition:color .2s,transform .2s;}
  .dl:hover .dl-arw{color:var(--accent);transform:translateY(3px);}

  /* ============ lightbox ============ */
  .pcard-zoom{cursor:zoom-in;}
  .pcard-zoom:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
  .pcard-mag{position:absolute;right:12px;bottom:12px;width:34px;height:34px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(14,27,51,.78);opacity:0;transform:translateY(5px);transition:all .25s;}
  .pcard-zoom:hover .pcard-mag,.pcard-zoom:focus-visible .pcard-mag{opacity:1;transform:none;}
  .pcard-mag svg{width:17px;height:17px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;}

  .lbx{position:fixed;inset:0;z-index:300;background:rgba(9,15,28,.94);
    display:flex;align-items:center;justify-content:center;padding:56px 76px;
    animation:lbxIn .22s ease both;}
  .lbx[hidden]{display:none;}
  @keyframes lbxIn{from{opacity:0}to{opacity:1}}
  @media (max-width:640px){.lbx{padding:64px 16px;}}
  .lbx-fig{margin:0;max-width:1100px;width:100%;display:flex;flex-direction:column;align-items:center;gap:18px;}
  .lbx-fig img{max-width:100%;max-height:74vh;object-fit:contain;display:block;
    background:#12203a;animation:lbxZ .28s cubic-bezier(.22,1,.36,1) both;}
  @keyframes lbxZ{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}
  .lbx-fig figcaption{text-align:center;}
  .lbx-fig figcaption span{display:block;font-size:1.05rem;font-weight:700;color:#fff;letter-spacing:-.02em;}
  .lbx-fig figcaption em{display:block;font-style:normal;font-size:.84rem;color:#9FB2CE;margin-top:5px;}
  .lbx-fig figcaption i{display:block;font-style:normal;font-family:"Inter",sans-serif;
    font-size:.74rem;color:#6E809D;margin-top:9px;letter-spacing:.1em;}
  .lbx-close{position:absolute;top:20px;right:24px;width:44px;height:44px;background:none;border:none;
    color:#9FB2CE;font-size:2rem;line-height:1;cursor:pointer;transition:color .2s;}
  .lbx-close:hover{color:#fff;}
  .lbx-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
    color:#fff;font-size:1.7rem;line-height:1;cursor:pointer;transition:background .2s;}
  .lbx-nav:hover{background:rgba(255,255,255,.18);}
  .lbx-prev{left:18px;} .lbx-next{right:18px;}
  @media (max-width:640px){
    .lbx-nav{width:42px;height:42px;font-size:1.4rem;}
    .lbx-prev{left:6px;} .lbx-next{right:6px;}
  }
  body.lbx-open{overflow:hidden;}

  /* ============ product diagrams ============ */
  .pcard-dia .pcard-img{background:#F6F8FB;border-bottom:1px solid var(--hair);}
  .pcard-dia .psvg{width:100%;height:100%;display:block;}
  .pcard-tagd{position:absolute;left:12px;top:12px;font-family:"Inter",sans-serif;
    font-size:.64rem;font-weight:700;letter-spacing:.1em;color:var(--accent-2);
    background:rgba(255,255,255,.88);border:1px solid var(--hair);padding:3px 8px;}
  .pcard-dia .pcard-t{color:var(--ink);}

  .pcard-tagr{position:absolute;left:12px;top:12px;font-family:"Inter",sans-serif;
    font-size:.64rem;font-weight:700;letter-spacing:.08em;color:#fff;
    background:rgba(14,27,51,.72);padding:3px 8px;}

  /* hero video (파일 없으면 숨김 → 배경 이미지 유지) */
  .hero-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;
    opacity:0;transition:opacity 1s ease;pointer-events:none;}
  .hero-vid.on{opacity:1;}
  .hero-veil,.hero-grid-lines{z-index:2;}
  #hero .wrap{z-index:3;}
  @media (max-width:760px){.hero-vid{display:none;}}

  /* ============ tabs ============ */
  .tabs{display:flex;gap:0;flex-wrap:wrap;border-bottom:1.5px solid var(--ink);margin-bottom:34px;}
  .sec-navy .tabs{border-bottom-color:rgba(255,255,255,.35);}
  .tab{background:none;border:none;border-bottom:3px solid transparent;margin-bottom:-1.5px;
    padding:14px 24px 13px;font-family:inherit;font-size:1rem;font-weight:700;letter-spacing:-.02em;
    color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s;white-space:nowrap;}
  .tab em{display:block;font-style:normal;font-family:"Inter",sans-serif;font-size:.68rem;
    font-weight:500;letter-spacing:.1em;margin-top:3px;opacity:.75;}
  .tab:hover{color:var(--ink);}
  .tab.on{color:var(--ink);border-bottom-color:var(--accent);}
  .sec-navy .tab{color:#7E8FAC;}
  .sec-navy .tab:hover{color:#D6E0EF;}
  .sec-navy .tab.on{color:#fff;border-bottom-color:#7FA8DF;}
  @media (max-width:640px){
    .tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;}
    .tab{padding:12px 16px 11px;font-size:.9rem;}
  }
  .tabp[hidden]{display:none;}
  @keyframes tabIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
  .tabp.on{animation:tabIn .3s cubic-bezier(.22,1,.36,1) both;}

  /* ============ facility (드론 사진 자리) ============ */
  .fac-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);
    border:1px solid var(--hair);margin-bottom:46px;}
  @media (max-width:820px){.fac-grid{grid-template-columns:1fr;}}
  .fac{margin:0;background:var(--paper);}
  .fac-img{position:relative;aspect-ratio:16/9;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:11px;
    background:repeating-linear-gradient(45deg,#F7F8FA,#F7F8FA 9px,#F2F4F7 9px,#F2F4F7 18px);
    border-bottom:1px dashed var(--hair-strong);}
  .fac-img img{width:100%;height:100%;object-fit:cover;display:block;}
  .fac-ph svg{width:46px;height:46px;fill:none;stroke:#B6BECC;stroke-width:1.8;
    stroke-linejoin:round;stroke-linecap:round;}
  .fac-wait{font-size:.74rem;font-weight:600;color:#9AA3B2;letter-spacing:.06em;}
  .fac figcaption{padding:15px 18px 18px;}
  .fac-t{font-size:1rem;font-weight:700;letter-spacing:-.02em;}
  .fac-s{font-size:.8rem;color:var(--muted);margin-top:5px;}

  /* ============ page head (하위 페이지 상단) ============ */
  .pagehead{background:var(--navy);color:#fff;padding:70px 0 58px;}
  @media (max-width:760px){.pagehead{padding:48px 0 40px;}}
  .pagehead .sec-kicker{color:#7FA8DF;}
  .pagehead h1{font-size:2.6rem;font-weight:800;letter-spacing:-.04em;color:#fff;margin-top:12px;line-height:1.15;}
  @media (max-width:760px){.pagehead h1{font-size:1.9rem;}}
  .ph-sub{margin-top:16px;font-size:1.02rem;color:#AFBDD4;max-width:74ch;line-height:1.8;}
  .pagehead + section{padding-top:72px;}
  nav.desk a.on{color:var(--ink);font-weight:700;}
  nav.desk a.on::after{transform:scaleX(1);}

/* 2026-10-09: width/height 속성 이미지 비율 유지 (클래스 규칙이 항상 우선) */
:where(img[width][height]){height:auto;}

/* ============ 2026-10-09 홈 보강: 사업분야 카드 · 인증/고객 · 문의 ============ */
.hb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media (max-width:1000px){.hb-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.hb-grid{grid-template-columns:1fr;}}
.hb-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--hair);transition:border-color .2s,transform .2s,box-shadow .2s;}
.hb-card:hover{border-color:var(--accent-2);transform:translateY(-3px);box-shadow:0 12px 30px rgba(14,27,51,.08);}
.hb-img{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.hb-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.hb-card:hover .hb-img img{transform:scale(1.04);}
.hb-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.hb-no{font-size:.74rem;font-weight:600;color:var(--accent-2);letter-spacing:.1em;}
.hb-t{font-size:1.18rem;font-weight:700;color:var(--ink);margin-top:6px;letter-spacing:-.02em;}
.hb-t small{font-size:.8rem;font-weight:500;color:var(--muted);margin-left:2px;}
.hb-f{font-size:.78rem;color:var(--muted);margin-top:2px;}
.hb-d{font-size:.88rem;color:var(--body);margin-top:12px;line-height:1.65;flex:1;}
.hb-more{margin-top:16px;font-size:.84rem;font-weight:600;color:var(--accent);}
.ht-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
@media (max-width:860px){.ht-grid{grid-template-columns:1fr;gap:20px;}}
.ht-col{background:var(--paper);border:1px solid var(--hair);padding:30px 30px 28px;display:flex;flex-direction:column;}
@media (max-width:560px){.ht-col{padding:24px 20px 22px;}}
.ht-h{font-size:1.05rem;font-weight:700;color:var(--ink);padding-bottom:14px;border-bottom:2px solid var(--ink);}
.ht-h b{color:var(--accent);font-weight:700;}
.ht-cert{list-style:none;margin:0;padding:0;flex:1;}
.ht-cert li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:11px 0;border-bottom:1px solid var(--hair);font-size:.9rem;}
.ht-cert b{color:var(--ink);font-weight:600;white-space:nowrap;}
.ht-cert span{color:var(--muted);text-align:right;font-size:.82rem;}
.ht-cl{margin:0;flex:1;}
.ht-cl dt{font-size:.78rem;font-weight:700;color:var(--accent-2);letter-spacing:.04em;margin-top:14px;}
.ht-cl dd{margin:4px 0 0;font-size:.9rem;color:var(--body);padding-bottom:12px;border-bottom:1px solid var(--hair);}
.ht-note{font-size:.74rem;color:var(--muted);margin-top:12px;}
.ht-link{margin-top:18px;font-size:.86rem;font-weight:600;color:var(--accent);align-self:flex-start;}
.ht-link:hover,.hb-card:hover .hb-more{text-decoration:underline;text-underline-offset:3px;}
.hc{background:var(--navy-2);}
.hc-in{display:grid;grid-template-columns:1.25fr 1fr;gap:44px;align-items:center;}
@media (max-width:860px){.hc-in{grid-template-columns:1fr;gap:26px;}}
.hc-in h2{font-size:1.9rem;font-weight:800;color:#fff;}
@media (max-width:760px){.hc-in h2{font-size:1.5rem;}}
.hc-d{margin-top:14px;color:var(--on-navy-dim);font-size:.98rem;max-width:52ch;}
.hc-act{display:flex;flex-direction:column;gap:10px;}
.hc-act .btn{justify-content:center;}
.qa-h{font-size:1.15rem;font-weight:700;margin-bottom:14px;}