:root{
    --navy:#0A2540;
    --blue:#0A5FFF;
    --blue-600:#0A54E0;
    --ink:#0B1B2B;
    --slate:#5B6B7F;
    --bg:#FFFFFF;
    --soft:#F4F7FB;
    --line:#E5EBF2;

    --radius:16px;
    --radius-sm:12px;
    --radius-lg:24px;

    --shadow-sm:0 1px 2px rgba(10,37,64,.06), 0 1px 3px rgba(10,37,64,.08);
    --shadow-md:0 8px 24px rgba(10,37,64,.08), 0 2px 6px rgba(10,37,64,.06);
    --shadow-lg:0 24px 60px rgba(10,37,64,.14), 0 8px 20px rgba(10,37,64,.08);
    --shadow-blue:0 18px 44px rgba(10,95,255,.22);

    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip;}
  body{overflow-x:clip;
    font-family:'Pretendard',-apple-system,BlinkMacSystemFont,system-ui,'Segoe UI',Roboto,'Helvetica Neue','Apple SD Gothic Neo','Malgun Gothic',sans-serif;
    color:var(--slate);
    background:var(--bg);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;}
  svg,video,iframe{max-width:100%;}
  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right));}

  h1,h2,h3,h4{color:var(--ink);line-height:1.2;letter-spacing:-.02em;font-weight:700;}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.02em;
    color:var(--blue);
    background:rgba(10,95,255,.08);
    border:1px solid rgba(10,95,255,.16);
    padding:6px 14px;border-radius:999px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);}

  .section{padding:96px 0;}
  .section-head{max-width:640px;margin-bottom:48px;}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .section-head h2{font-size:clamp(28px,4vw,40px);margin:16px 0 12px;}
  .section-head p{font-size:16px;color:var(--slate);}

  /* Buttons */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-weight:600;font-size:15px;line-height:1;
    padding:15px 26px;border-radius:999px;
    border:1px solid transparent;cursor:pointer;
    transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
    white-space:nowrap;
  }
  .btn-primary{background:var(--blue);color:#fff;box-shadow:var(--shadow-blue);}
  .btn-primary:hover{background:var(--blue-600);transform:translateY(-2px);box-shadow:0 22px 50px rgba(10,95,255,.3);}
  .btn-outline{background:#fff;color:var(--ink);border-color:var(--line);}
  .btn-outline:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow-md);}
  .btn svg{width:18px;height:18px;}

  /* ============ NAV ============ */
  header.nav{
    position:sticky;top:0;z-index:100;
    background:rgba(255,255,255,.82);
    backdrop-filter:saturate(180%) blur(14px);
    -webkit-backdrop-filter:saturate(180%) blur(14px);
    border-bottom:1px solid transparent;
    padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);
    transition:border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
  }
  header.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 1px 20px rgba(10,37,64,.05);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
  .logo{display:flex;align-items:center;gap:12px;}
  .logo-img{height:42px;width:auto;display:block;}
  .foot-logo-img{height:40px;width:auto;display:block;background:#fff;border-radius:10px;padding:8px 12px;margin-bottom:16px;}

  .nav-menu{display:flex;align-items:center;gap:36px;}
  .nav-menu a{font-size:15px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;transition:color .2s;}
  .nav-menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--blue);transition:width .28s var(--ease);border-radius:2px;}
  .nav-menu a:hover{color:var(--blue);}
  .nav-menu a:hover::after{width:100%;}

  .nav-right{display:flex;align-items:center;gap:16px;}
  .nav-cta{background:var(--blue);color:#fff;padding:11px 22px;border-radius:999px;font-size:14px;font-weight:600;box-shadow:var(--shadow-blue);transition:transform .25s var(--ease),background .2s;}
  .nav-cta:hover{background:var(--blue-600);transform:translateY(-2px);}

  .hamburger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:11px;cursor:pointer;padding:0;place-items:center;}
  .hamburger svg{width:22px;height:22px;color:var(--ink);}

  .mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;}
  .mobile-menu a{display:block;padding:16px 24px;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line);}
  .mobile-menu a:last-child{border-bottom:none;}
  .mobile-menu.open{display:block;}

  /* ============ HERO ============ */
  .hero{position:relative;overflow:hidden;padding:80px 0 96px;}
  .hero::before{
    content:"";position:absolute;top:-20%;right:-10%;width:60%;height:120%;
    background:radial-gradient(closest-side,rgba(10,95,255,.10),transparent 70%);
    pointer-events:none;z-index:0;
  }
  .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center;}
  .hero-copy h1{font-size:clamp(34px,5.2vw,56px);line-height:1.12;margin:22px 0 20px;letter-spacing:-.03em;}
  .hero-copy h1 .accent{color:var(--blue);}
  .hero-copy p.lead{font-size:18px;color:var(--slate);max-width:520px;margin-bottom:32px;}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px;}
  .hero-trust{display:flex;align-items:center;gap:20px;color:var(--slate);font-size:13.5px;flex-wrap:wrap;}
  .hero-trust .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
  .hero-trust b{color:var(--ink);font-weight:700;}

  .hero-visual{position:relative;}
  .hero-panel{
    position:relative;border-radius:var(--radius-lg);
    background:linear-gradient(160deg,#FFFFFF, var(--soft));
    border:1px solid var(--line);
    box-shadow:var(--shadow-lg);
    padding:0;overflow:hidden;
  }
  .hero-panel::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(circle at 50% 40%,rgba(10,95,255,.14),transparent 60%);
    pointer-events:none;
  }
  .hero-panel img{position:relative;z-index:1;display:block;width:100%;height:auto;margin:0 auto;filter:drop-shadow(0 30px 40px rgba(10,37,64,.18));}
  .stat-chip{
    position:absolute;z-index:3;left:-18px;bottom:34px;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    box-shadow:var(--shadow-md);padding:14px 18px;display:flex;align-items:center;gap:12px;
  }
  .stat-chip .ico{width:38px;height:38px;border-radius:10px;background:rgba(10,95,255,.1);display:grid;place-items:center;color:var(--blue);flex:0 0 auto;}
  .stat-chip .ico svg{width:20px;height:20px;}
  .stat-chip b{display:block;font-size:16px;color:var(--ink);font-weight:800;line-height:1.2;}
  .stat-chip span{font-size:12px;color:var(--slate);}

  /* ============ STAT BAND ============ */
  .stats{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:56px 0;}
  .stat{position:relative;padding:8px 8px 8px 24px;}
  .stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--blue);}
  .stat b{display:block;font-size:clamp(26px,3.2vw,34px);color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.15;}
  .stat span{font-size:14.5px;color:var(--slate);font-weight:500;}

  /* ============ ABOUT ============ */
  .about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
  .about-copy h2{font-size:clamp(28px,4vw,40px);margin:16px 0 18px;}
  .about-copy p{font-size:16px;margin-bottom:16px;}
  .about-list{margin-top:26px;display:grid;gap:16px;}
  .about-item{display:flex;gap:14px;align-items:flex-start;}
  .about-item .ck{width:26px;height:26px;border-radius:8px;background:var(--blue);color:#fff;display:grid;place-items:center;flex:0 0 auto;margin-top:2px;box-shadow:var(--shadow-blue);}
  .about-item .ck svg{width:15px;height:15px;}
  .about-item b{color:var(--ink);font-weight:700;display:block;font-size:16px;}
  .about-item span{font-size:14.5px;}
  .about-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--soft);box-shadow:var(--shadow-md);padding:40px;}
  .about-visual img{margin:0 auto;filter:drop-shadow(0 20px 30px rgba(10,37,64,.14));}

  /* ============ PRODUCTS ============ */
  .products{background:var(--soft);}
  .cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
    display:flex;flex-direction:column;position:relative;
  }
  .card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);}
  .card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
  .card:hover::after{transform:scaleX(1);}
  .card-img{background:var(--soft);padding:32px;display:grid;place-items:center;min-height:220px;border-bottom:1px solid var(--line);}
  .card-img img{height:170px;width:auto;object-fit:contain;transition:transform .4s var(--ease);}
  .card:hover .card-img img{transform:scale(1.05);}
  .card-body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1;}
  .card-tag{font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px;}
  .card-body h3{font-size:21px;margin-bottom:10px;}
  .card-body p{font-size:14.5px;margin-bottom:18px;flex:1;}
  .chips{display:flex;flex-wrap:wrap;gap:8px;}
  .chip{font-size:12.5px;font-weight:600;color:var(--ink);background:var(--soft);border:1px solid var(--line);padding:6px 12px;border-radius:999px;}

  .lineup{margin-top:56px;}
  .lineup-head{text-align:center;margin-bottom:36px;}
  .strip-title{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
  .lineup-sub{font-size:14.5px;color:var(--slate);margin-top:6px;}
  .lineup-group{margin-top:36px;}
  .group-label{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line);}
  .group-label .group-dot{width:9px;height:9px;border-radius:50%;background:var(--blue);flex:0 0 auto;}
  .group-label b{font-weight:700;font-size:12.5px;color:var(--blue);background:rgba(10,95,255,.08);border:1px solid rgba(10,95,255,.16);border-radius:999px;padding:3px 11px;margin-left:auto;}
  .thumbs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
  .thumb{position:relative;margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 16px 14px;display:flex;flex-direction:column;align-items:center;gap:12px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);}
  .thumb:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(10,95,255,.35);}
  .thumb img{height:88px;width:auto;object-fit:contain;transition:transform .35s var(--ease);}
  .thumb:hover img{transform:scale(1.05);}
  .thumb figcaption{font-size:12.5px;font-weight:600;color:var(--slate);text-align:center;line-height:1.35;}
  .thumb-tag{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;color:var(--blue);background:rgba(10,95,255,.08);border:1px solid rgba(10,95,255,.2);border-radius:999px;padding:2px 9px;line-height:1.5;}

  /* 온도 커넥터(기타) 블록 */
  .conn-block{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow-sm);}
  .conn-intro p{font-size:14.5px;color:var(--slate);margin-bottom:18px;}
  .conn-types{display:flex;flex-wrap:wrap;gap:9px;}
  .ctype{min-width:44px;height:40px;padding:0 10px;border-radius:10px;display:grid;place-items:center;background:var(--c);color:#fff;font-weight:800;font-size:14px;border:1px solid rgba(10,37,64,.14);box-shadow:var(--shadow-sm);text-shadow:0 1px 2px rgba(0,0,0,.4);}
  .conn-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius-sm);align-self:start;}
  .conn-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:320px;}
  .conn-table th,.conn-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;line-height:1.5;}
  .conn-table thead th{background:rgba(10,95,255,.06);color:var(--blue);font-weight:700;font-size:12.5px;letter-spacing:.01em;white-space:nowrap;}
  .conn-table tbody th{color:var(--ink);font-weight:700;white-space:nowrap;background:var(--soft);}
  .conn-table td{color:var(--slate);}
  .conn-table tbody tr:last-child th,.conn-table tbody tr:last-child td{border-bottom:none;}
  .conn-cap{font-size:12.5px;color:var(--slate);margin-top:14px;line-height:1.65;}
  .conn-cap b{color:var(--ink);font-weight:700;}
  .conn-gallery{margin-top:26px;}
  .conn-gsub{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--blue);background:rgba(10,95,255,.08);border:1px solid rgba(10,95,255,.16);border-radius:999px;padding:5px 14px;margin-bottom:16px;}
  .conn-thumbs{grid-template-columns:repeat(4,minmax(0,1fr));}
  .conn-thumbs .thumb img{height:76px;}
  @media (max-width:600px){ .conn-thumbs{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (max-width:820px){ .conn-block{grid-template-columns:minmax(0,1fr);gap:22px;} }

  /* ============ APPLICATIONS ============ */
  .apps-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;}
  .app{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:32px 22px;text-align:center;
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  }
  .app:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
  .app .app-ico{width:56px;height:56px;margin:0 auto 16px;border-radius:14px;background:linear-gradient(160deg,rgba(10,95,255,.1),rgba(10,95,255,.04));display:grid;place-items:center;color:var(--blue);transition:background .3s;}
  .app:hover .app-ico{background:var(--blue);color:#fff;}
  .app .app-ico svg{width:28px;height:28px;}
  .app b{display:block;font-size:17px;color:var(--ink);font-weight:700;margin-bottom:4px;}
  .app span{font-size:13px;color:var(--slate);}

  /* ============ CONTACT ============ */
  .contact{background:var(--soft);}
  .contact-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line);}
  .contact-info{background:var(--navy);color:#fff;padding:48px 44px;position:relative;overflow:hidden;}
  .contact-info::before{content:"";position:absolute;top:-30%;right:-30%;width:80%;height:80%;background:radial-gradient(closest-side,rgba(10,95,255,.35),transparent 70%);}
  .contact-info h3{color:#fff;font-size:26px;margin-bottom:12px;position:relative;}
  .contact-info > p{color:rgba(255,255,255,.72);font-size:14.5px;margin-bottom:32px;position:relative;}
  .info-list{position:relative;display:grid;gap:22px;}
  .info-row{display:flex;gap:14px;align-items:flex-start;}
  .info-row .ic{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;flex:0 0 auto;color:#7FB0FF;}
  .info-row .ic svg{width:19px;height:19px;}
  .info-row .t small{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-bottom:3px;letter-spacing:.02em;}
  .info-row .t b{display:block;font-size:16px;color:#fff;font-weight:600;line-height:1.4;}
  .contact-note{position:relative;margin-top:34px;padding:16px 18px;background:rgba(10,95,255,.16);border:1px solid rgba(127,176,255,.28);border-radius:12px;font-size:13.5px;color:#CFE0FF;}

  .contact-form{background:#fff;padding:48px 44px;}
  .form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field.full{grid-column:1/-1;}
  .field label{font-size:13.5px;font-weight:600;color:var(--ink);}
  .field label .req{color:var(--blue);margin-left:2px;}
  .field input,.field textarea{
    font-family:inherit;font-size:15px;color:var(--ink);
    padding:13px 15px;border:1px solid var(--line);border-radius:11px;background:#fff;
    transition:border-color .2s,box-shadow .2s;width:100%;
  }
  .field input::placeholder,.field textarea::placeholder{color:#9AA8B8;}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(10,95,255,.12);}
  .field textarea{resize:vertical;min-height:120px;}
  .field input[type=file]{padding:11px 15px;cursor:pointer;color:var(--slate);font-size:14px;}
  .field input[type=file]::file-selector-button{font-family:inherit;font-size:13px;font-weight:600;color:var(--blue);background:rgba(10,95,255,.08);border:1px solid rgba(10,95,255,.18);border-radius:8px;padding:7px 14px;margin-right:12px;cursor:pointer;transition:background .2s;}
  .field input[type=file]::file-selector-button:hover{background:rgba(10,95,255,.14);}
  .field-hint{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--slate);margin-top:2px;}
  .field-hint svg{width:15px;height:15px;color:var(--blue);flex:0 0 auto;}
  .form-submit{margin-top:24px;}
  .form-submit .btn{width:100%;padding:16px;font-size:16px;}
  .submit-note{margin-top:12px;text-align:center;font-size:12.5px;color:var(--slate);}

  /* 오시는 길 (지도) */
  .map-card{
    margin-top:28px;display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    overflow:hidden;box-shadow:var(--shadow-lg);
  }
  .map-info{padding:40px 44px;display:flex;flex-direction:column;justify-content:center;}
  .map-info h3{font-size:23px;margin:14px 0 24px;}
  .map-info-list{display:grid;gap:20px;}
  .minfo-row{display:flex;gap:14px;align-items:flex-start;}
  .minfo-row .ic{width:40px;height:40px;border-radius:11px;background:rgba(10,95,255,.09);border:1px solid rgba(10,95,255,.16);display:grid;place-items:center;flex:0 0 auto;color:var(--blue);}
  .minfo-row .ic svg{width:19px;height:19px;}
  .minfo-row .t small{display:block;font-size:12px;color:var(--slate);margin-bottom:3px;}
  .minfo-row .t b{display:block;font-size:15.5px;color:var(--ink);font-weight:600;line-height:1.45;}
  .minfo-row .t a:hover{color:var(--blue);}
  .map-embed{position:relative;min-height:320px;background:var(--soft);}
  .map-embed iframe{display:block;position:absolute;inset:0;width:100%;height:100%;}

  /* ============ FOOTER ============ */
  footer{background:var(--navy);color:rgba(255,255,255,.7);padding:64px 0 32px;}
  .foot-top{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
  .foot-brand b{display:block;color:#fff;font-size:19px;font-weight:800;margin-bottom:8px;letter-spacing:-.02em;}
  .foot-brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:320px;}
  .foot-col h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em;}
  .foot-col ul{display:grid;gap:11px;}
  .foot-col li{font-size:14px;color:rgba(255,255,255,.68);}
  .foot-col a:hover{color:#7FB0FF;}
  .foot-col .lbl{color:rgba(255,255,255,.45);font-size:12.5px;display:block;margin-bottom:1px;}
  .foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;flex-wrap:wrap;gap:12px;}
  .foot-bottom p{font-size:13px;color:rgba(255,255,255,.5);}
  .foot-biz{font-size:13px;color:rgba(255,255,255,.5);}

  /* ============ TECH / 열전대 원리 ============ */
  .tech{background:var(--navy);position:relative;overflow:hidden;}
  .tech::before{content:"";position:absolute;top:-20%;right:-10%;width:55%;height:120%;background:radial-gradient(closest-side,rgba(10,95,255,.28),transparent 70%);pointer-events:none;}
  .tech > .wrap{position:relative;z-index:1;}
  .tech .section-head h2{color:#fff;}
  .tech .section-head p{color:rgba(255,255,255,.68);}
  .eyebrow-light{color:#9FC2FF;background:rgba(127,176,255,.12);border-color:rgba(127,176,255,.28);}
  .eyebrow-light::before{background:#7FB0FF;}

  .tech-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center;margin-bottom:48px;}
  .tech-kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:#9FC2FF;text-transform:uppercase;margin-bottom:14px;}
  .tech-hero-copy h3{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:16px;letter-spacing:-.02em;}
  .tech-hero-copy > p{color:rgba(255,255,255,.72);font-size:15.5px;margin-bottom:24px;}
  .tech-principle{background:rgba(10,95,255,.14);border:1px solid rgba(127,176,255,.26);border-radius:14px;padding:20px 22px;}
  .tp-badge{display:inline-block;font-size:12.5px;font-weight:700;color:#CFE0FF;margin-bottom:8px;}
  .tech-principle p{color:rgba(255,255,255,.82);font-size:14.5px;margin:0;}
  .tech-diagram{margin:0;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-md);}
  .tech-diagram svg{width:100%;height:auto;display:block;}

  .tech-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-bottom:48px;}
  .tech-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px 26px;transition:transform .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);}
  .tech-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.08);border-color:rgba(127,176,255,.4);}
  .tech-card .tc-ico{width:46px;height:46px;border-radius:12px;background:rgba(10,95,255,.2);border:1px solid rgba(127,176,255,.3);display:grid;place-items:center;color:#9FC2FF;margin-bottom:16px;}
  .tech-card .tc-ico svg{width:24px;height:24px;}
  .tech-card h4{color:#fff;font-size:18px;margin-bottom:14px;}
  .tech-card ul{display:grid;gap:9px;}
  .tech-card li{position:relative;padding-left:18px;font-size:14px;color:rgba(255,255,255,.74);line-height:1.5;}
  .tech-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:#7FB0FF;}

  .tech-types{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:36px 40px;}
  .tt-head{margin-bottom:26px;}
  .tt-head h3{color:#fff;font-size:22px;margin-bottom:6px;}
  .tt-head p{color:rgba(255,255,255,.66);font-size:14.5px;}
  .tt-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;}
  .tt-group{background:rgba(10,26,48,.5);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:22px 24px;}
  .tt-label{font-size:13px;font-weight:700;color:#9FC2FF;letter-spacing:.02em;margin-bottom:16px;}
  .tt-chips{display:flex;flex-wrap:wrap;gap:10px;}
  .tt-chip{display:inline-flex;align-items:baseline;gap:3px;min-width:44px;justify-content:center;padding:10px 14px;border-radius:11px;background:var(--blue);color:#fff;font-size:17px;font-weight:800;letter-spacing:.01em;box-shadow:var(--shadow-blue);}
  .tt-chip small{font-size:11px;font-weight:600;opacity:.85;}
  .tt-chip.gold{background:linear-gradient(160deg,#C9962E,#A97B1E);box-shadow:0 12px 28px rgba(201,150,46,.28);}
  .tt-note{display:flex;align-items:flex-start;gap:10px;margin-top:24px;font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.55;}
  .tt-note svg{width:18px;height:18px;color:#9FC2FF;flex:0 0 auto;margin-top:1px;}

  /* 열전대 종류 표 (소선경 포함) */
  .tt-table-head{margin:30px 0 14px;}
  .tt-table-head h4{color:#fff;font-size:17px;margin-bottom:4px;}
  .tt-table-head p{color:rgba(255,255,255,.6);font-size:13.5px;}
  .tt-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);}
  .tt-table{width:100%;border-collapse:collapse;min-width:660px;font-size:14px;}
  .tt-table th,.tt-table td{padding:12px 16px;text-align:left;border-bottom:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.82);vertical-align:middle;}
  .tt-table thead th{background:rgba(10,95,255,.18);color:#CFE0FF;font-weight:700;font-size:13px;letter-spacing:.01em;white-space:nowrap;border-bottom-color:rgba(127,176,255,.3);}
  .tt-table tbody tr:last-child td{border-bottom:none;}
  .tt-table tbody tr:hover td{background:rgba(255,255,255,.04);}
  .tt-table .type-cell{font-weight:800;color:#fff;white-space:nowrap;}
  .tt-table .gold-type{color:#E4C377;}
  .tt-table .dia{color:rgba(255,255,255,.72);font-size:13px;white-space:nowrap;}
  .tt-table .temp{white-space:nowrap;}
  .tt-table td.num{font-variant-numeric:tabular-nums;color:rgba(255,255,255,.8);white-space:nowrap;}
  .tt-table .badge{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:999px;line-height:1.5;}
  .tt-table .badge.noble{background:linear-gradient(160deg,#C9962E,#A97B1E);color:#fff;}
  .tt-table .badge.base{background:rgba(10,95,255,.24);color:#CFE0FF;border:1px solid rgba(127,176,255,.3);}

  /* 기술정보 탭 */
  .tech-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:44px;}
  .tech-tab{appearance:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:15px;color:rgba(255,255,255,.72);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:12px 26px;transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);}
  .tech-tab:hover{color:#fff;border-color:rgba(127,176,255,.42);transform:translateY(-2px);}
  .tech-tab.active{color:#fff;background:var(--blue);border-color:var(--blue);box-shadow:var(--shadow-blue);}
  .tech-tab small{font-weight:600;opacity:.8;font-size:12px;margin-left:5px;}
  .tech-panel{display:none;}
  .tech-panel.active{display:block;animation:techFade .35s var(--ease);}
  @keyframes techFade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

  /* 기술 서브 헤더 / 리드 */
  .tech-subhead{margin:44px 0 18px;}
  .tech-subhead h3{color:#fff;font-size:clamp(19px,2.4vw,24px);margin-bottom:8px;}
  .tech-subhead p{color:rgba(255,255,255,.66);font-size:14.5px;max-width:780px;}
  .tech-hero .tech-card{align-self:stretch;}
  .tech-block{margin-top:24px;}
  .tt-table small{display:block;color:rgba(255,255,255,.5);font-weight:500;font-size:11.5px;margin-top:2px;}
  .tt-group p{color:rgba(255,255,255,.8);font-size:14px;line-height:1.65;margin:0;}
  .tt-group p + p{margin-top:6px;}
  .tt-group p b{color:#fff;font-weight:700;}
  .tt-group p .muted{color:rgba(255,255,255,.55);}

  /* ============ RESPONSIVE ============ */
  /* ≤1024 — trim padding/gaps, step multi-column grids down (5→3, 3→2) */
  @media (max-width:1024px){
    .section{padding:80px 0;}
    .hero{padding:72px 0 84px;}
    .hero-grid{gap:44px;}
    .about-grid{gap:44px;}
    .cards{grid-template-columns:repeat(2,minmax(0,1fr));}
    .apps-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
    .thumbs{grid-template-columns:repeat(3,minmax(0,1fr));}
    .stats-grid{gap:20px;}
    .contact-info,.contact-form{padding:44px 36px;}
    .map-info{padding:36px;}
  }
  /* ≤820 — Fold-unfolded & iPad portrait: collapse 2-col heros to 1, nav→hamburger */
  @media (max-width:820px){
    .hero-grid,.about-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
    .hero-visual{order:-1;}
    .about-visual{order:-1;}
    .tech-hero{grid-template-columns:minmax(0,1fr);gap:32px;}
    .tech-diagram{order:-1;}
    .tech-cards{grid-template-columns:minmax(0,1fr);}
    .contact-grid{grid-template-columns:minmax(0,1fr);}
    .map-card{grid-template-columns:minmax(0,1fr);}
    .map-embed{min-height:300px;}
    .foot-top{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
    .foot-brand{grid-column:1/-1;}
    .nav-menu,.nav-right .nav-cta{display:none;}
    .hamburger{display:grid;}
  }
  /* ≤600 — phones: single-column everything, tighten paddings, 16px form inputs */
  @media (max-width:600px){
    .section{padding:64px 0;}
    .wrap{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right));}
    .stats-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px 16px;padding:40px 0;}
    .cards{grid-template-columns:minmax(0,1fr);}
    .apps-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
    .thumbs{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
    .form-grid{grid-template-columns:minmax(0,1fr);}
    .field input,.field textarea,.field select{font-size:16px;}
    .tt-grid{grid-template-columns:minmax(0,1fr);}
    .tech-types{padding:28px 22px;}
    .contact-info,.contact-form{padding:36px 24px;}
    .map-info{padding:32px 24px;}
    .hero-panel{padding:0;}
    .hero-panel img,.about-visual img{height:auto;}
    .foot-top{grid-template-columns:minmax(0,1fr);}
    .foot-bottom{flex-direction:column;align-items:flex-start;}
    .stat-chip{left:8px;max-width:calc(100% - 16px);}
    .hero{padding:56px 0 72px;}
  }
  /* ≤400 — compact tier: smaller headings/paddings, shrink hero stat chip */
  @media (max-width:400px){
    .section{padding:52px 0;}
    .wrap{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right));}
    .hero{padding:44px 0 60px;}
    .hero-copy h1{font-size:clamp(27px,8.5vw,34px);}
    .section-head h2,.about-copy h2{font-size:clamp(24px,7.2vw,28px);}
    .hero-panel{padding:0;}
    .about-visual{padding:28px;}
    .stat-chip{padding:10px 12px;gap:9px;}
    .stat-chip .ico{width:32px;height:32px;}
    .stat-chip b{font-size:14px;}
    .stat-chip span{font-size:11px;}
    .contact-info,.contact-form,.map-info{padding:28px 20px;}
    .tech-types{padding:24px 18px;}
    .tt-chip{font-size:15px;padding:9px 12px;min-width:40px;}
    .btn{padding:14px 20px;}
  }
  /* ≤344 — Galaxy Z Fold folded safety guard: force long tokens to wrap */
  @media (max-width:344px){
    h1,h2,h3,h4,p,.chip,.card-body h3,.contact-info b,.foot-col li,.minfo-row .t b{overflow-wrap:anywhere;word-break:break-word;}
    .hero-copy h1{font-size:clamp(24px,8vw,28px);}
    .stat-chip{position:static;margin-top:14px;left:auto;bottom:auto;max-width:100%;}
    .stat-chip .ico svg{width:18px;height:18px;}
    .eyebrow{font-size:12px;}
  }
  /* Short landscape (e.g. phone rotated): cap hero height so it fits the screen */
  @media (orientation:landscape) and (max-height:500px){
    .hero{padding:40px 0 44px;}
    .section{padding:48px 0;}
  }

/* ==== 이미지 확대(라이트박스) · 맨 위로 버튼 ==== */
img[src*="assets/img/"]{cursor:zoom-in}
  #imgZoom{position:fixed;inset:0;z-index:9999;display:none;place-items:center;
    background:rgba(6,10,18,.92);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
    padding:max(20px,env(safe-area-inset-top)) 20px max(20px,env(safe-area-inset-bottom))}
  #imgZoom.open{display:grid}
  #imgZoom figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:14px;max-width:100%;max-height:100%}
  #imgZoom img{max-width:min(1100px,92vw);max-height:80vh;width:auto;height:auto;object-fit:contain;
    border-radius:12px;background:#fff;box-shadow:0 30px 80px rgba(0,0,0,.55);animation:imgZoomIn .25s ease}
  #imgZoom figcaption{color:#e6edf6;font-size:15px;font-weight:600;text-align:center;max-width:92vw;line-height:1.5}
  #imgZoom .zc{position:fixed;top:calc(env(safe-area-inset-top) + 12px);right:16px;width:46px;height:46px;
    border-radius:50%;border:none;background:rgba(255,255,255,.16);color:#fff;font-size:26px;line-height:1;
    cursor:pointer;display:grid;place-items:center}
  #imgZoom .zc:hover{background:rgba(255,255,255,.28)}
  #imgZoom .hint{color:rgba(255,255,255,.55);font-size:12.5px}
  @keyframes imgZoomIn{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}

  /* 맨 위로 가기 버튼 */
  #toTop{position:fixed;right:22px;bottom:calc(env(safe-area-inset-bottom) + 22px);z-index:900;
    width:52px;height:52px;border:none;border-radius:50%;cursor:pointer;
    background:var(--blue);color:#fff;box-shadow:var(--shadow-md);
    display:grid;place-items:center;
    opacity:0;visibility:hidden;transform:translateY(12px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),background .2s var(--ease)}
  #toTop.show{opacity:1;visibility:visible;transform:translateY(0)}
  #toTop:hover{background:#084ccc}
  #toTop:active{transform:translateY(2px)}
  #toTop svg{width:22px;height:22px;display:block}
  @media (max-width:600px){ #toTop{right:16px;bottom:calc(env(safe-area-inset-bottom) + 16px);width:48px;height:48px} }
  @media (prefers-reduced-motion:reduce){ #toTop{transition:opacity .2s} }