:root{
    --navy:#0a1f44;
    --navy-2:#0e2a5c;
    --blue:#1357d6;
    --blue-light:#3b82f6;
    --ink:#10151f;
    --gray-1:#5b6472;
    --gray-2:#8a94a3;
    --line:#e6e9ef;
    --bg:#ffffff;
    --bg-soft:#f5f7fa;
    --bg-soft-2:#eef2f7;
    --radius:14px;
    --maxw:1180px;
    --shadow:0 6px 24px rgba(13,30,66,.08);
    --shadow-lg:0 18px 50px rgba(13,30,66,.14);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:'Pretendard',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
    color:var(--ink);
    background:var(--bg);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    letter-spacing:-.01em;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .eyebrow{
    font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
    color:var(--blue);margin-bottom:14px;
  }
  h2.section-title{font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1.18}
  .section-sub{color:var(--gray-1);font-size:clamp(15px,1.4vw,18px);margin-top:16px;max-width:620px}
  section{padding:clamp(70px,9vw,130px) 0}

  /* ===== Header ===== */
  header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);
    border-bottom:1px solid transparent;transition:.3s;
  }
  header.scrolled{border-bottom-color:var(--line);box-shadow:0 1px 14px rgba(13,30,66,.05)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:70px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em;color:var(--navy)}
  .logo .mark{height:34px;display:flex;align-items:center}
  .logo .mark img{height:34px;width:auto;display:block}
  .nav-links{display:flex;gap:34px;align-items:center}
  .nav-links a{font-size:15px;font-weight:500;color:var(--ink);opacity:.85;transition:.2s}
  .nav-links a:hover{opacity:1;color:var(--blue)}
  .nav-cta{
    background:var(--navy);color:#fff;padding:11px 22px;border-radius:30px;
    font-size:14px;font-weight:600;transition:.2s;
  }
  .nav-cta:hover{background:var(--blue);transform:translateY(-1px)}
  .burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
  .burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

  /* ===== Hero ===== */
  .hero{
    position:relative;min-height:100vh;display:flex;align-items:center;
    background:
      radial-gradient(1200px 600px at 75% 20%, rgba(19,87,214,.18), transparent 60%),
      radial-gradient(900px 500px at 10% 90%, rgba(59,130,246,.12), transparent 55%),
      linear-gradient(160deg,#071734 0%,#0a1f44 45%,#0e2a5c 100%);
    color:#fff;overflow:hidden;
  }
  /* hero background video */
  .hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.55}
  .hero-overlay{
    content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
    background:
      linear-gradient(110deg, rgba(7,23,52,.92) 0%, rgba(7,23,52,.7) 38%, rgba(7,23,52,.28) 70%, rgba(7,23,52,.55) 100%),
      linear-gradient(to top, rgba(7,23,52,.85), transparent 45%);
  }
  .hero::after{
    content:"";position:absolute;inset:0;z-index:1;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:52px 52px;mask-image:radial-gradient(circle at 70% 40%,#000,transparent 75%);
    pointer-events:none;
  }
  .hero .wrap{position:relative;z-index:2;width:100%;padding-top:90px;padding-bottom:60px}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
    padding:8px 16px;border-radius:30px;margin-bottom:26px;
  }
  .hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 4px rgba(74,222,128,.25)}
  .hero h1{
    font-size:clamp(36px,6vw,72px);font-weight:800;line-height:1.08;letter-spacing:-.04em;
    margin-bottom:26px;
  }
  .hero h1 .grad{
    background:linear-gradient(100deg,#7eb6ff,#cfe0ff);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero p.lead{font-size:clamp(16px,1.7vw,21px);color:rgba(255,255,255,.82);max-width:600px;margin-bottom:40px;font-weight:300}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap}
  .btn{
    display:inline-flex;align-items:center;gap:9px;padding:16px 30px;border-radius:34px;
    font-size:16px;font-weight:600;transition:.22s;cursor:pointer;border:none;
  }
  .btn-primary{background:#fff;color:var(--navy)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.25)}
  .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28)}
  .btn-ghost:hover{background:rgba(255,255,255,.16)}
  .hero-stats{
    display:flex;gap:48px;margin-top:64px;flex-wrap:wrap;
    border-top:1px solid rgba(255,255,255,.14);padding-top:34px;
  }
  .hero-stats .stat .num{font-size:clamp(26px,3vw,38px);font-weight:800;letter-spacing:-.02em}
  .hero-stats .stat .lab{font-size:14px;color:rgba(255,255,255,.65);margin-top:4px}
  .scroll-hint{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.5);font-size:12px;letter-spacing:.2em;text-align:center}
  .scroll-hint .mouse{width:22px;height:36px;border:2px solid rgba(255,255,255,.4);border-radius:14px;margin:0 auto 8px;position:relative}
  .scroll-hint .mouse::after{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:3px;height:7px;border-radius:2px;background:rgba(255,255,255,.6);animation:scroll 1.6s infinite}
  @keyframes scroll{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}

  /* ===== Trust bar ===== */
  .trustbar{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:30px 0}
  .trustbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
  .trustbar .label{font-size:14px;font-weight:600;color:var(--gray-1)}
  .trustbar .tags{display:flex;gap:14px;flex-wrap:wrap}
  .trustbar .tag{font-size:14px;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line);padding:9px 18px;border-radius:30px}

  /* ===== Categories ===== */
  .cat-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;margin-bottom:54px}
  .cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .cat-card{
    position:relative;border-radius:var(--radius);overflow:hidden;background:var(--navy);
    min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;
    padding:34px;color:#fff;cursor:pointer;transition:.3s;border:1px solid transparent;
  }
  .cat-card .bg{position:absolute;inset:0;z-index:0;opacity:.9;transition:.5s}
  .cat-card:nth-child(1) .bg{background:linear-gradient(160deg,#0a1f44,#1357d6)}
  .cat-card:nth-child(2) .bg{background:linear-gradient(160deg,#13263f,#2b6cb0)}
  .cat-card:nth-child(3) .bg{background:linear-gradient(160deg,#0c2233,#0e7490)}
  .cat-card::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(5,12,28,.78),rgba(5,12,28,.05))}
  .cat-card .ico{position:absolute;top:30px;left:30px;z-index:2;width:52px;height:52px;border-radius:13px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:24px}
  .cat-card .content{position:relative;z-index:2}
  .cat-card .kicker{font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.7);text-transform:uppercase;margin-bottom:10px}
  .cat-card h3{font-size:25px;font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
  .cat-card p{font-size:14.5px;color:rgba(255,255,255,.78);font-weight:300;margin-bottom:18px}
  .cat-card .more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:7px}
  .cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
  .cat-card:hover .bg{transform:scale(1.06)}

  /* ===== Products ===== */
  .prod-section{background:var(--bg-soft)}
  .filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
  .filter-btn{
    padding:11px 22px;border-radius:30px;border:1px solid var(--line);background:#fff;
    font-size:14.5px;font-weight:600;color:var(--gray-1);cursor:pointer;transition:.2s;
  }
  .filter-btn:hover{border-color:var(--blue);color:var(--blue)}
  .filter-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}
  .prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .prod-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    transition:.28s;display:flex;flex-direction:column;
  }
  .prod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#d4dbe6}
  .prod-thumb{
    aspect-ratio:4/3;position:relative;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,#eef2f7,#dfe6f0);overflow:hidden;
  }
  .prod-thumb .glyph{font-size:64px;opacity:.9;filter:drop-shadow(0 6px 14px rgba(13,30,66,.18))}
  .prod-thumb.has-img{background:#fff}
  .prod-thumb.has-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
  .prod-card:hover .prod-thumb.has-img img{transform:scale(1.05)}
  .prod-thumb .ribbon{position:absolute;top:14px;left:14px;font-size:12px;font-weight:700;background:var(--navy);color:#fff;padding:6px 12px;border-radius:30px;letter-spacing:.02em}
  .prod-body{padding:24px;display:flex;flex-direction:column;flex:1}
  .prod-cat{font-size:12.5px;font-weight:700;color:var(--blue);letter-spacing:.04em;text-transform:uppercase;margin-bottom:9px}
  .prod-body h4{font-size:19px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
  .prod-body .desc{font-size:14px;color:var(--gray-1);flex:1;margin-bottom:16px}
  .prod-specs{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}
  .prod-specs span{font-size:12px;font-weight:600;color:var(--gray-1);background:var(--bg-soft);border:1px solid var(--line);padding:5px 11px;border-radius:8px}
  .prod-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:16px}
  .prod-price{font-size:14px;font-weight:600;color:var(--gray-2)}
  .prod-inquiry{
    background:var(--navy);color:#fff;font-size:13.5px;font-weight:600;padding:10px 18px;border-radius:24px;
    cursor:pointer;border:none;transition:.2s;white-space:nowrap;
  }
  .prod-inquiry:hover{background:var(--blue)}

  /* ===== Feature / Why ===== */
  .why-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
  .why-list{margin-top:38px;display:flex;flex-direction:column;gap:26px}
  .why-item{display:flex;gap:18px}
  .why-item .n{flex-shrink:0;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
  .why-item h4{font-size:18px;font-weight:700;margin-bottom:6px}
  .why-item p{font-size:14.5px;color:var(--gray-1)}
  .why-visual{
    border-radius:var(--radius);min-height:440px;position:relative;overflow:hidden;
    background:linear-gradient(160deg,#0a1f44,#1357d6);box-shadow:var(--shadow-lg);
    display:flex;align-items:center;justify-content:center;
  }
  .why-visual::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px}
  .why-visual .big{position:relative;z-index:1;text-align:center;color:#fff}
  .why-visual .big .robot{font-size:120px;line-height:1}
  .why-visual .big .cap{margin-top:14px;font-size:15px;color:rgba(255,255,255,.7);letter-spacing:.05em}
  /* 개념도 버전 */
  .why-visual.concept{background:#fff;border:1px solid var(--line);flex-direction:column;padding:18px;gap:10px}
  .why-visual.concept::after{display:none}
  .why-visual.concept img{width:100%;flex:1;object-fit:contain;min-height:0}
  .why-visual.concept .concept-cap{font-size:13px;color:var(--gray-2);text-align:center;padding-bottom:4px}

  /* ===== Process ===== */
  .proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:54px}
  .proc-card{padding:32px 26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;position:relative;transition:.25s}
  .proc-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
  .proc-card .step{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.1em;margin-bottom:14px}
  .proc-card .pico{font-size:34px;margin-bottom:16px}
  .proc-card h4{font-size:18px;font-weight:700;margin-bottom:8px}
  .proc-card p{font-size:14px;color:var(--gray-1)}

  /* ===== CTA band ===== */
  .cta-band{
    background:linear-gradient(135deg,#0a1f44,#1357d6);color:#fff;border-radius:24px;
    padding:clamp(44px,6vw,72px);text-align:center;position:relative;overflow:hidden;
  }
  .cta-band::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(circle at 50% 0%,#000,transparent 70%)}
  .cta-band .inner{position:relative;z-index:1}
  .cta-band h2{font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-.03em;margin-bottom:18px}
  .cta-band p{font-size:17px;color:rgba(255,255,255,.8);margin-bottom:34px;font-weight:300}
  .cta-band .hero-actions{justify-content:center}

  /* ===== Contact / Form ===== */
  .contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
  .contact-info h2{margin-bottom:18px}
  .contact-channels{margin-top:34px;display:flex;flex-direction:column;gap:16px}
  .ch{display:flex;gap:16px;align-items:center;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);transition:.2s;background:#fff}
  .ch:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-2px)}
  .ch .chico{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
  .ch.kakao .chico{background:#fee500}
  .ch.mail .chico{background:#e9f0ff}
  .ch.tel .chico{background:#e8f7ee}
  .ch .ctxt .t{font-size:13px;color:var(--gray-2);font-weight:600}
  .ch .ctxt .v{font-size:17px;font-weight:700;color:var(--ink)}
  .form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:38px;box-shadow:var(--shadow)}
  .form-card h3{font-size:22px;font-weight:800;margin-bottom:8px}
  .form-card .fsub{font-size:14.5px;color:var(--gray-1);margin-bottom:26px}
  .field{margin-bottom:18px}
  .field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--ink)}
  .field label .req{color:var(--blue)}
  .field input,.field select,.field textarea{
    width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font-size:15px;
    font-family:inherit;color:var(--ink);background:var(--bg-soft);transition:.2s;
  }
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(19,87,214,.12)}
  .field textarea{resize:vertical;min-height:110px}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .form-submit{width:100%;background:var(--navy);color:#fff;font-size:16px;font-weight:700;padding:16px;border-radius:12px;border:none;cursor:pointer;transition:.2s;margin-top:6px}
  .form-submit:hover{background:var(--blue)}
  .form-note{font-size:12.5px;color:var(--gray-2);text-align:center;margin-top:14px}

  /* ===== Footer ===== */
  footer{background:#071734;color:rgba(255,255,255,.7);padding:64px 0 30px}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
  .foot-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff;margin-bottom:16px}
  .foot-logo .mark{width:40px;height:40px;border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center;padding:5px}
  .foot-logo .mark img{width:100%;height:100%;object-fit:contain;display:block}
  .foot-desc{font-size:14px;max-width:340px;line-height:1.7}
  .foot-col h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
  .foot-col a{display:block;font-size:14px;margin-bottom:10px;transition:.2s}
  .foot-col a:hover{color:#fff}
  .foot-bottom{padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}

  /* ===== Modal ===== */
  .modal-overlay{position:fixed;inset:0;background:rgba(5,12,28,.6);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
  .modal-overlay.open{display:flex}
  .modal{background:#fff;border-radius:18px;max-width:460px;width:100%;padding:36px;position:relative;box-shadow:var(--shadow-lg);animation:pop .25s ease}
  @keyframes pop{from{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}
  .modal .close{position:absolute;top:18px;right:18px;width:34px;height:34px;border-radius:50%;border:none;background:var(--bg-soft);cursor:pointer;font-size:18px;color:var(--gray-1)}
  .modal h3{font-size:21px;font-weight:800;margin-bottom:6px;padding-right:30px}
  .modal .msub{font-size:14px;color:var(--gray-1);margin-bottom:22px}

  /* ===== Real video section ===== */
  .demo{background:linear-gradient(160deg,#071734,#0a1f44);color:#fff}
  .demo .cap-head{text-align:center;max-width:660px;margin:0 auto 46px}
  .demo .cap-head .eyebrow{justify-content:center}
  .demo .cap-head h2{color:#fff}
  .demo .cap-head p{color:rgba(255,255,255,.72);margin-top:16px;font-size:17px;font-weight:300}
  .demo-frame{
    position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);
    border:1px solid rgba(255,255,255,.12);background:#000;max-width:960px;margin:0 auto;
  }
  .demo-frame video{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;background:#000}
  .demo-note{text-align:center;color:rgba(255,255,255,.55);font-size:13.5px;margin-top:18px}

  /* ===== About ===== */
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
  .about-quote{
    font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.5;letter-spacing:-.03em;
    color:var(--ink);margin:8px 0 26px;
  }
  .about-quote .hl{color:var(--blue)}
  .about-body p{color:var(--gray-1);font-size:16px;margin-bottom:16px}
  .about-stats{display:flex;gap:40px;margin-top:34px;flex-wrap:wrap}
  .about-stats .s .n{font-size:32px;font-weight:800;color:var(--navy);letter-spacing:-.02em}
  .about-stats .s .l{font-size:13.5px;color:var(--gray-2);margin-top:2px}
  .about-visual{
    border-radius:var(--radius);min-height:400px;position:relative;overflow:hidden;
    background:linear-gradient(160deg,#0a1f44,#1357d6);box-shadow:var(--shadow-lg);
    display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;padding:40px;
  }
  .about-visual::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px}
  .about-visual .inner{position:relative;z-index:1}
  .about-visual .big-emoji{font-size:80px;margin-bottom:18px}
  .about-visual .vt{font-size:21px;font-weight:700;letter-spacing:-.02em}
  .about-visual .vs{font-size:14.5px;color:rgba(255,255,255,.72);margin-top:10px;font-weight:300}

  /* ===== Timeline / 전시이력 ===== */
  .timeline{margin-top:54px;max-width:760px;margin-left:auto;margin-right:auto}
  .tl-item{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--line);align-items:flex-start}
  .tl-item:last-child{border-bottom:none}
  .tl-date{flex-shrink:0;width:130px;font-size:14px;font-weight:700;color:var(--blue)}
  .tl-content h4{font-size:18px;font-weight:700;margin-bottom:6px}
  .tl-content p{font-size:14.5px;color:var(--gray-1)}
  .tl-badge{display:inline-block;font-size:12px;font-weight:700;background:var(--bg-soft-2);color:var(--navy);padding:5px 12px;border-radius:30px;margin-top:10px}

  /* ===== Product detail modal ===== */
  .detail-overlay{position:fixed;inset:0;background:rgba(5,12,28,.6);backdrop-filter:blur(4px);z-index:210;display:none;align-items:center;justify-content:center;padding:24px}
  .detail-overlay.open{display:flex}
  .detail{background:#fff;border-radius:18px;max-width:880px;width:100%;max-height:90vh;overflow-y:auto;position:relative;box-shadow:var(--shadow-lg);animation:pop .25s ease}
  .detail .close{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;border:none;background:rgba(255,255,255,.9);cursor:pointer;font-size:20px;color:var(--ink);z-index:3;box-shadow:var(--shadow)}
  .detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
  .detail-img{background:var(--bg-soft);display:flex;align-items:center;justify-content:center;min-height:340px}
  .detail-img img{width:100%;height:100%;object-fit:cover}
  .detail-info{padding:38px}
  .detail-info .dcat{font-size:12.5px;font-weight:700;color:var(--blue);letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px}
  .detail-info h3{font-size:25px;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
  .detail-info .dribbon{display:inline-block;font-size:12px;font-weight:700;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;padding:5px 12px;border-radius:30px;margin-bottom:16px}
  .detail-info .ddesc p{font-size:14.5px;color:var(--gray-1);margin-bottom:12px;line-height:1.7}
  .detail-sec-title{font-size:13px;font-weight:700;color:var(--ink);margin:22px 0 12px;letter-spacing:.02em}
  .dfeatures{display:flex;flex-direction:column;gap:9px}
  .dfeatures li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--gray-1);list-style:none}
  .dfeatures li::before{content:"✓";color:var(--blue);font-weight:800;flex-shrink:0}
  .dspecs{width:100%;border-collapse:collapse;margin-top:6px}
  .dspecs td{padding:10px 0;border-bottom:1px solid var(--line);font-size:13.5px}
  .dspecs td:first-child{color:var(--gray-2);font-weight:600;width:38%}
  .dspecs td:last-child{color:var(--ink);font-weight:500}
  .detail-actions{display:flex;gap:12px;margin-top:28px}
  .detail-actions .btn-inq{flex:1;background:var(--navy);color:#fff;border:none;padding:15px;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;transition:.2s}
  .detail-actions .btn-inq:hover{background:var(--blue)}
  .detail-actions .btn-call{background:var(--bg-soft);color:var(--navy);border:1px solid var(--line);padding:15px 22px;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;text-decoration:none;display:flex;align-items:center}
  @media(max-width:720px){.detail-grid{grid-template-columns:1fr}.detail-img{min-height:240px}.detail-info{padding:28px}}

  /* ===== System configuration (AMR) ===== */
  .system{background:#fff}
  .sys-visual{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);margin-top:46px;border:1px solid var(--line)}
  .sys-visual img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
  .sys-visual .badge{position:absolute;top:18px;left:18px;background:rgba(10,31,68,.9);color:#fff;font-size:13px;font-weight:700;padding:9px 16px;border-radius:30px;backdrop-filter:blur(6px)}
  .sys-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:46px;position:relative}
  .sys-step{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;position:relative;transition:.25s}
  .sys-step:hover{transform:translateY(-4px);box-shadow:var(--shadow);background:#fff}
  .sys-step .sn{position:absolute;top:14px;right:16px;font-size:13px;font-weight:800;color:var(--blue-light);opacity:.5}
  .sys-step .si{font-size:36px;margin-bottom:14px}
  .sys-step h4{font-size:16.5px;font-weight:700;margin-bottom:8px}
  .sys-step p{font-size:13.5px;color:var(--gray-1)}
  .sys-step.key{background:linear-gradient(160deg,#0a1f44,#1357d6);border-color:transparent;color:#fff}
  .sys-step.key h4{color:#fff}
  .sys-step.key p{color:rgba(255,255,255,.8)}
  .sys-step.key .sn{color:#fff;opacity:.45}
  .sys-step.key .kbadge{display:inline-block;font-size:11px;font-weight:700;background:rgba(255,255,255,.18);padding:4px 10px;border-radius:30px;margin-top:10px}
  .sys-arrow{display:none}
  .sys-partner{margin-top:30px;text-align:center;font-size:14px;color:var(--gray-1)}
  .sys-partner b{color:var(--navy)}
  .sys-comps-title{font-size:15px;font-weight:700;margin:54px 0 20px;text-align:center;color:var(--ink)}
  .sys-comps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .comp-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
  .comp-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
  .comp-thumb{aspect-ratio:4/3;background:#fff;overflow:hidden;cursor:zoom-in;border-bottom:1px solid var(--line)}
  .comp-thumb img{width:100%;height:100%;object-fit:contain;transition:.4s}
  .comp-card:hover .comp-thumb img{transform:scale(1.05)}
  .comp-body{padding:16px 18px;display:flex;align-items:center;gap:10px}
  .comp-body .cl{width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
  .comp-body .cl.amr{background:linear-gradient(135deg,var(--navy),var(--blue))}
  .comp-body h4{font-size:15px;font-weight:700}
  .comp-body h4 small{display:block;font-size:12px;font-weight:500;color:var(--gray-2);margin-top:2px}

  /* ===== Benefits (도입 효과) ===== */
  .benefits{background:var(--bg-soft)}
  .bf-compare{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:46px}
  .bf-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:center;transition:.25s}
  .bf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
  .bf-card .bf-ico{font-size:30px;margin-bottom:14px}
  .bf-card .bf-label{font-size:13.5px;font-weight:600;color:var(--gray-2);margin-bottom:10px}
  .bf-card .bf-now{font-size:30px;font-weight:800;color:var(--navy);letter-spacing:-.02em;line-height:1.1}
  .bf-card .bf-now small{font-size:15px;font-weight:700}
  .bf-card .bf-was{font-size:13px;color:var(--gray-2);margin-top:8px;text-decoration:line-through}
  .bf-card .bf-save{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:700;color:var(--blue);background:var(--bg-soft-2);padding:5px 11px;border-radius:30px}
  .bf-pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:22px}
  .bf-pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:8px}
  .bf-pillar .pi{font-size:24px}
  .bf-pillar h4{font-size:16px;font-weight:700}
  .bf-pillar p{font-size:13.5px;color:var(--gray-1)}
  .bf-bottom{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:46px;align-items:start}
  .bf-scale{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
  .bf-scale .bh{background:var(--navy);color:#fff;padding:16px 24px;font-size:15px;font-weight:700;display:flex;justify-content:space-between}
  .bf-scale table{width:100%;border-collapse:collapse}
  .bf-scale td{padding:13px 24px;border-bottom:1px solid var(--line);font-size:14.5px}
  .bf-scale tr:last-child td{border-bottom:none}
  .bf-scale td:first-child{font-weight:700;color:var(--navy)}
  .bf-scale td:last-child{text-align:right;color:var(--gray-1)}
  .bf-eff{background:linear-gradient(160deg,#0a1f44,#1357d6);color:#fff;border-radius:var(--radius);padding:34px;display:flex;flex-direction:column;justify-content:center}
  .bf-eff .et{font-size:14px;color:rgba(255,255,255,.7);font-weight:600;margin-bottom:8px}
  .bf-eff .ev{font-size:clamp(32px,4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.1}
  .bf-eff .ev small{font-size:18px;font-weight:700;color:#9ec5ff}
  .bf-eff .ed{font-size:14px;color:rgba(255,255,255,.78);margin-top:14px;line-height:1.6;font-weight:300}
  .bf-disclaimer{font-size:12.5px;color:var(--gray-2);text-align:center;margin-top:30px}

  /* ===== Award highlight ===== */
  .award{
    display:grid;grid-template-columns:170px 1fr;gap:30px;align-items:center;
    background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:26px 30px;
    max-width:760px;margin:0 auto 50px;
  }
  .award .award-img{border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#fff}
  .award .award-img img{width:100%;display:block;cursor:zoom-in;transition:.3s}
  .award .award-img img:hover{transform:scale(1.02)}
  .award .award-txt .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--blue);background:var(--bg-soft-2);padding:5px 12px;border-radius:30px;margin-bottom:12px}
  .award .award-txt h3{font-size:19px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
  .award .award-txt p{font-size:14px;color:var(--gray-1);margin-bottom:6px}
  .award .award-txt .src{font-size:12.5px;color:var(--gray-2);margin-top:12px}

  /* ===== Exhibition gallery ===== */
  .ex-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:740px;margin:0 auto 56px}
  .ex-card{border-radius:14px;overflow:hidden;position:relative;box-shadow:var(--shadow);cursor:zoom-in;background:#000}
  .ex-card img{width:100%;height:240px;object-fit:cover;display:block;transition:.4s}
  .ex-card:hover img{transform:scale(1.06)}
  .ex-card .cap{position:absolute;left:0;right:0;bottom:0;padding:16px;background:linear-gradient(to top,rgba(5,12,28,.85),transparent);color:#fff;font-size:13.5px;font-weight:600}

  /* ===== Lightbox ===== */
  .lightbox{position:fixed;inset:0;background:rgba(5,12,28,.9);z-index:300;display:none;align-items:center;justify-content:center;padding:30px;cursor:zoom-out}
  .lightbox.open{display:flex}
  .lightbox img{max-width:92%;max-height:92%;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}

  /* ===== Floating buttons (Samsung-style) ===== */
  .floats{position:fixed;right:24px;bottom:24px;z-index:150;display:flex;flex-direction:column;gap:14px;align-items:flex-end}
  .float-btn{
    width:60px;height:60px;border-radius:50%;border:none;cursor:pointer;
    display:flex;align-items:center;justify-content:center;font-size:26px;
    box-shadow:0 10px 28px rgba(13,30,66,.28);transition:.25s;position:relative;
  }
  .float-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 16px 36px rgba(13,30,66,.34)}
  .float-btn.kakao{background:#fee500}
  .float-btn.top{background:var(--navy);color:#fff;font-size:22px;opacity:0;pointer-events:none}
  .float-btn.top.show{opacity:1;pointer-events:auto}
  .float-label{
    position:absolute;right:72px;top:50%;transform:translateY(-50%);
    background:var(--ink);color:#fff;font-size:13px;font-weight:600;
    padding:8px 14px;border-radius:10px;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s;
  }
  .float-label::after{content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%) rotate(45deg);width:10px;height:10px;background:var(--ink)}
  .float-btn.kakao:hover .float-label{opacity:1;transform:translateY(-50%) translateX(-2px)}
  @media(max-width:680px){.floats{right:16px;bottom:16px}.float-btn{width:54px;height:54px;font-size:23px}}

  /* reveal */
  .reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}

  /* ===== Responsive ===== */
  @media(max-width:920px){
    .why-grid,.contact-grid,.about-grid{grid-template-columns:1fr;gap:40px}
    .ex-gallery{grid-template-columns:repeat(2,1fr)}
    .cat-grid,.prod-grid{grid-template-columns:repeat(2,1fr)}
    .proc-grid{grid-template-columns:repeat(2,1fr)}
    .bf-compare,.bf-pillars,.sys-flow,.sys-comps{grid-template-columns:repeat(2,1fr)}
    .bf-bottom{grid-template-columns:1fr;gap:24px}
    .foot-grid{grid-template-columns:1fr 1fr}
  }
  @media(max-width:680px){
    .nav-links{
      position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;
      gap:0;padding:10px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
      transform:translateY(-130%);transition:.3s;
    }
    .nav-links.open{transform:translateY(0)}
    .nav-links a{padding:14px 24px;width:100%}
    .nav-links .nav-cta{margin:10px 24px;text-align:center}
    .burger{display:flex}
    .cat-grid,.prod-grid,.proc-grid,.ex-gallery,.bf-compare,.bf-pillars,.sys-flow,.sys-comps{grid-template-columns:1fr}
    .award{grid-template-columns:1fr;gap:20px;text-align:center}
    .award .award-img{max-width:200px;margin:0 auto}
    .form-row{grid-template-columns:1fr}
    .hero-stats{gap:28px}
    .foot-grid{grid-template-columns:1fr}
  }
  /* About 사진 버전 */
  .about-visual.photo{padding:34px;justify-content:flex-end;flex-direction:column}
  .about-visual.photo::after{display:none}
  .about-visual.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
  .about-visual.photo::before{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,23,52,.9),rgba(7,23,52,.05) 60%);z-index:1}
  .about-visual.photo .inner{position:relative;z-index:2}
  /* ===== 대표 제품 강조 · 기구 축소 ===== */
  .prod-grid{grid-template-columns:repeat(4,1fr)}
  .prod-card.featured{grid-column:1/-1;flex-direction:row;border-color:#c9d6ec;box-shadow:var(--shadow)}
  .prod-card.featured .prod-thumb{flex:1.1;aspect-ratio:auto;min-height:340px;border-right:1px solid var(--line)}
  .prod-card.featured .prod-body{flex:1;padding:38px;justify-content:center}
  .prod-card.featured h4{font-size:25px}
  .prod-card.featured .desc{font-size:15.5px;flex:none;margin-bottom:20px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-card.main{grid-column:1/-1;min-height:440px}
  .cat-card.sub{min-height:250px}
  .cat-card.sub h3{font-size:21px}
  @media(max-width:920px){
    .prod-grid{grid-template-columns:repeat(2,1fr)}
    .prod-card.featured{flex-direction:column}
    .prod-card.featured .prod-thumb{aspect-ratio:4/3;min-height:0;border-right:none;border-bottom:1px solid var(--line)}
    .cat-card.main{min-height:360px}
  }
  @media(max-width:680px){
    .prod-grid{grid-template-columns:1fr}
    .cat-grid{grid-template-columns:1fr}
  }
  /* 분야 카드 배경 이미지 */
  .cat-card .bg{background-size:cover;background-position:center}
  .cat-card.main .bg{background-position:center 40%}
  .cat-card::before{background:linear-gradient(to top,rgba(5,12,28,.88),rgba(5,12,28,.25))}
  .cat-card.sub .ico{display:none}
  .cat-card.sub{min-height:280px}
  /* 분야 카드: 배너 이미지 버전 (어둡기 베이크됨) */
  .cat-card .ico{display:none}
  .cat-card::before{background:linear-gradient(to top,rgba(5,12,28,.55),rgba(5,12,28,0) 55%)}
  .cat-card .bg{opacity:1}