/* Cheonga Glass — industrial corporate stylesheet
   palette: navy #0A1E32 / teal #0E6E7A
   radius 0, flat, no shadow, high-density GNB */

:root{
  --navy:#0A1E32;
  --navy-2:#071525;
  --navy-3:#050F1A;
  --ink:#111418;
  --text:#2A3038;
  --muted:#5A6370;
  --line:#D5DCE3;
  --line-2:#E6EBF0;
  --bg:#F3F5F7;
  --white:#fff;
  --accent:#0E6E7A;
  --accent-d:#0A545D;
  --r:0;
}

*{box-sizing:border-box;margin:0;padding:0;border-radius:0}
html{scroll-behavior:smooth}
html,body{height:100%}
body{
  font-family:'Pretendard','Noto Sans KR',system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--white);
  font-size:15px;
  line-height:1.65;
  letter-spacing:-0.01em;
}
img{max-width:100%;display:block;border:0;border-radius:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;border-radius:0}
table{border-collapse:collapse;width:100%}
ul,ol{list-style:none}

.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}
.wrap-wide{width:min(1320px,calc(100% - 40px));margin:0 auto}

/* ========== UTIL + GNB ========== */
.utilbar{
  background:var(--navy-3);
  color:#c5ced8;
  font-size:12px;
  height:30px;
  line-height:30px;
  border-bottom:1px solid #12263d;
}
.utilbar .wrap{display:flex;justify-content:space-between;align-items:center}
.utilbar span + span::before{content:"|";margin:0 10px;color:#3a4d63}
.utilbar a{color:#c5ced8}
.utilbar a:hover{color:#fff}

.gnb{
  background:var(--navy);
  height:62px;
  position:sticky;top:0;z-index:50;
  border-bottom:2px solid var(--accent);
}
.gnb .wrap{
  height:62px;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;
}
.logo{
  display:block;
  width:auto;max-width:240px;height:40px;
  overflow:hidden;
  flex-shrink:0;
  border-radius:0;
}
.logo img{
  width:auto;max-width:240px;height:100%;
  object-fit:contain;
  object-position:left center;
  display:block;
  border-radius:0;
}

.gnb-nav{display:flex;align-items:stretch;height:62px;gap:0;flex:1;justify-content:flex-end}
.gnb-nav a{
  color:#d7e0e8;
  font-size:14px;font-weight:600;
  padding:0 16px;
  display:flex;align-items:center;
  height:62px;
  border-bottom:2px solid transparent;
  margin-bottom:-2px;
  white-space:nowrap;
}
.gnb-nav a:hover{color:#fff;background:#0c2a3e}
.gnb-nav a.is-on{color:#fff;border-bottom-color:var(--accent)}
.gnb-util{display:flex;align-items:center;gap:10px;margin-left:8px;flex-shrink:0}
.gnb-util .lang{
  color:#9aafc2;font-size:12px;font-weight:700;
  border:1px solid #2a4560;padding:4px 8px;
  border-radius:0;
}
.btn-menu{
  display:none;width:36px;height:36px;background:transparent;border:1px solid #2a4560;
  position:relative;cursor:pointer;border-radius:0;
}
.btn-menu span,.btn-menu::before,.btn-menu::after{
  content:"";position:absolute;left:8px;right:8px;height:1px;background:#fff;
}
.btn-menu span{top:17px}
.btn-menu::before{top:11px}
.btn-menu::after{bottom:11px}

/* ========== HERO ========== */
.hero{
  position:relative;
  min-height:420px;
  height:56vh;
  max-height:560px;
  background:#081525 center/cover no-repeat;
  display:flex;align-items:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,15,26,.84) 0%,rgba(5,15,26,.56) 48%,rgba(5,15,26,.22) 100%);
}
.hero-inner{position:relative;z-index:1;color:#fff;padding:60px 0}
.hero-kicker{
  display:inline-block;
  font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--accent);border-left:3px solid var(--accent);
  padding-left:10px;margin-bottom:18px;
}
.hero h1{
  font-size:42px;font-weight:800;line-height:1.28;
  letter-spacing:-.03em;margin-bottom:18px;
}
.hero p{font-size:16px;color:#d5dde6;max-width:560px;line-height:1.7}
.hero-actions{margin-top:28px;display:flex;gap:8px}

.page-hero{
  position:relative;
  min-height:260px;height:280px;
  background:#081525 center/cover no-repeat;
  display:flex;align-items:flex-end;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,15,26,.84) 0%,rgba(5,15,26,.48) 70%,rgba(5,15,26,.22) 100%);
}
.page-hero .wrap{position:relative;z-index:1;padding:0 0 36px;color:#fff}
.page-hero .crumb{font-size:12px;color:#b7c4d2;margin-bottom:10px}
.page-hero .crumb span{color:var(--accent)}
.page-hero h1{font-size:32px;font-weight:800;letter-spacing:-.03em}
.page-hero p{margin-top:8px;color:#d5dde6;font-size:15px;max-width:640px}

/* ========== BUTTONS — square, 42px, 1px border, flat ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;border-radius:0;
  cursor:pointer;background:var(--navy);color:#fff;
}
.btn:hover{background:#143055}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:var(--accent-d);color:#fff}
.btn-line{background:transparent;border-color:#fff;color:#fff}
.btn-line:hover{background:#fff;color:var(--navy)}
.btn-line-navy{background:#fff;border-color:var(--navy);color:var(--navy)}
.btn-line-navy:hover{background:var(--navy);color:#fff}

/* ========== SECTIONS ========== */
.sec{padding:72px 0}
.sec-gray{background:var(--bg)}
.sec-navy{background:var(--navy);color:#fff}
.sec-head{margin-bottom:32px}
.sec-head .en{
  font-size:11px;font-weight:700;letter-spacing:.18em;
  color:var(--accent);text-transform:uppercase;margin-bottom:8px;
}
.sec-head h2{font-size:28px;font-weight:800;letter-spacing:-.03em;color:var(--navy);line-height:1.3}
.sec-navy .sec-head h2{color:#fff}
.sec-head p{margin-top:10px;color:var(--muted);max-width:720px}
.sec-navy .sec-head p{color:#b7c4d2}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev > .split-txt{order:2}
.split img{width:100%;height:360px;object-fit:cover;border-radius:0}
.split h3{font-size:24px;font-weight:800;color:var(--navy);letter-spacing:-.02em;margin-bottom:14px}
.split p + p{margin-top:10px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}

.card{
  background:#fff;border:1px solid var(--line);border-radius:0;
}
.card img{width:100%;height:180px;object-fit:cover;border-radius:0}
.card .body{padding:20px 20px 22px}
.card h3{font-size:17px;font-weight:800;color:var(--navy);margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}
.card .more{display:inline-block;margin-top:14px;font-size:13px;font-weight:700;color:var(--accent)}

.tile{
  position:relative;min-height:220px;overflow:hidden;border-radius:0;
  border:1px solid var(--line);
}
.tile img{width:100%;height:220px;object-fit:cover;border-radius:0}
.tile .cap{
  position:absolute;left:0;right:0;bottom:0;
  background:rgba(10,30,50,.90);color:#fff;padding:14px 16px;
}
.tile .cap strong{display:block;font-size:16px;font-weight:800}
.tile .cap span{font-size:12px;color:#b7c4d2}

.spec{
  background:#fff;border:1px solid var(--line);
}
.spec th,.spec td{
  border-bottom:1px solid var(--line-2);
  padding:11px 14px;font-size:13px;text-align:left;
}
.spec thead th{
  background:var(--navy);color:#fff;font-weight:700;
  border-bottom:0;font-size:13px;
}
.spec tbody th{background:#f7f9fb;color:var(--navy);font-weight:700;width:28%}
.spec tbody tr:hover td{background:#f4fafb}

.lnb{
  background:#fff;border-bottom:1px solid var(--line);
}
.lnb .wrap{display:flex;flex-wrap:wrap}
.lnb a{
  height:46px;display:flex;align-items:center;
  padding:0 18px;font-size:13px;font-weight:700;color:var(--muted);
  border-right:1px solid var(--line-2);
  border-bottom:2px solid transparent;
}
.lnb a:hover,.lnb a.is-on{color:var(--navy);border-bottom-color:var(--accent)}

.news-list{border-top:2px solid var(--navy)}
.news-row{
  display:grid;grid-template-columns:110px 90px 1fr;
  gap:16px;align-items:center;
  padding:18px 4px;border-bottom:1px solid var(--line);
}
.news-row .date{font-size:13px;color:var(--muted);font-weight:600}
.news-row .cat{
  font-size:11px;font-weight:800;color:var(--accent);
  border:1px solid var(--accent);text-align:center;padding:3px 0;
  border-radius:0;
}
.news-row h3{font-size:16px;font-weight:700;color:var(--navy)}
.news-row p{font-size:13px;color:var(--muted);margin-top:4px}
a.news-row{color:inherit}
a.news-row:hover h3{color:var(--accent-d)}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:12px;font-weight:700;color:var(--navy);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);background:#fff;
  padding:10px 12px;border-radius:0;height:auto;
}
.field input,.field select{height:42px}
.field textarea{min-height:140px;resize:vertical;height:auto}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--navy);
}
.form-note{margin-top:10px;font-size:12px;color:var(--muted)}
.form-ok{
  margin-bottom:16px;padding:12px 14px;
  background:#e7f4f5;border:1px solid var(--accent);color:var(--navy);font-size:14px;
}

.info-box{background:var(--bg);border:1px solid var(--line);padding:22px}
.info-box h4{font-size:15px;font-weight:800;color:var(--navy);margin-bottom:10px}
.info-box li{font-size:14px;padding:4px 0;color:var(--text)}
.info-box li span{display:inline-block;width:72px;color:var(--muted)}

.cert-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.cert{
  border:1px solid var(--line);padding:22px 16px;text-align:center;background:#fff;
}
.cert b{display:block;font-size:15px;color:var(--navy);margin-bottom:4px}
.cert span{font-size:12px;color:var(--muted)}

.footer{background:#070e18;color:#9aa8b6;font-size:13px}
.footer-top{border-bottom:1px solid #162233;padding:40px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.footer h4{color:#fff;font-size:14px;margin-bottom:12px;font-weight:800}
.footer a{color:#9aa8b6}
.footer a:hover{color:#fff}
.footer li{margin:6px 0}
.footer-logo{color:#fff;font-size:16px;font-weight:800;margin-bottom:10px}
.footer-bot{
  padding:16px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;
  color:#7b8896;font-size:12px;
}
.footer select{
  background:#0e1826;border:1px solid #243246;color:#c5ced8;
  height:32px;padding:0 8px;min-width:180px;border-radius:0;
}

.cta-bar{
  background:var(--navy);color:#fff;padding:48px 0;
}
.cta-bar .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px}
.cta-bar h2{font-size:24px;font-weight:800;letter-spacing:-.02em}
.cta-bar p{color:#b7c4d2;margin-top:6px;font-size:14px}

.anchor{scroll-margin-top:90px;padding-top:8px}

.prod-cat{margin-bottom:48px}
.prod-cat h3{
  font-size:20px;font-weight:800;color:var(--navy);
  padding-bottom:10px;border-bottom:2px solid var(--navy);margin-bottom:16px;
}

.quote{
  border-left:3px solid var(--accent);
  padding:8px 0 8px 16px;
  font-size:17px;font-weight:700;color:var(--navy);line-height:1.55;
}

.home-widgets{background:#eef1f4;border-top:1px solid #d5dce3;border-bottom:1px solid #d5dce3;padding:20px 0}
.home-widgets-grid{display:grid;grid-template-columns:1.35fr .95fr 1.15fr;gap:10px}
.home-widgets .box{background:#fff;border:1px solid #c8d0d8;padding:14px 16px;border-radius:0}
.home-widgets h3{font-size:15px;color:var(--navy);border-bottom:2px solid var(--navy);padding-bottom:8px;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.home-widgets h3 a{font-size:12px;font-weight:600;color:var(--muted)}
.home-widgets .board li{border-bottom:1px dotted #d5dce3}
.home-widgets .board a{display:flex;justify-content:space-between;gap:12px;padding:7px 0;font-size:13px}
.home-widgets .board a:hover{color:var(--navy);font-weight:700}
.home-widgets .board span{color:#888;flex-shrink:0}
.home-widgets .tel{font-size:30px;font-weight:800;color:var(--navy);letter-spacing:-.03em;margin:8px 0 8px}
.home-widgets .box p{font-size:13px;color:var(--text);line-height:1.6}
.home-widgets .mini{width:100%;border:1px solid #d5dce3}
.home-widgets .mini th{background:var(--navy);color:#fff;text-align:left;padding:6px 8px;font-size:11px;width:48%;font-weight:700}
.home-widgets .mini td{border:1px solid #d5dce3;padding:6px 8px;font-size:12px}

.spec a{color:var(--accent-d);font-weight:700}
.spec a:hover{text-decoration:underline}

.prose p{margin:0 0 12px}
.prose p:last-child{margin-bottom:0}
.meta-row{display:flex;gap:18px;flex-wrap:wrap;margin:8px 0 20px;font-size:13px;color:var(--muted)}
.meta-row b{color:var(--navy)}
.order-code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.news-article{max-width:860px}
.news-article .date-line{font-size:13px;color:var(--muted);margin-bottom:16px}
.news-article h2{font-size:22px;color:var(--navy);margin:0 0 16px;letter-spacing:-.02em}
.rel-list{border-top:1px solid var(--line);margin-top:28px;padding-top:16px}
.rel-list a{display:block;padding:8px 0;border-bottom:1px solid var(--line-2);font-size:14px;font-weight:700;color:var(--navy)}
.rel-list a span{font-weight:600;color:var(--muted);margin-right:10px}

.proc-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.proc{
  border:1px solid var(--line);background:#fff;padding:18px 16px;
}
.proc .n{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:.08em}
.proc h4{font-size:16px;font-weight:800;color:var(--navy);margin:6px 0 8px}

@media (max-width:980px){
  .hero h1{font-size:30px}
  .split,.grid-3,.grid-4,.footer-grid,.form-grid,.cert-row,.cta-bar .wrap,.news-row,.proc-list,.home-widgets-grid{
    grid-template-columns:1fr;
  }
  .grid-2{grid-template-columns:1fr}
  .gnb-nav{display:none;position:absolute;left:0;right:0;top:92px;background:var(--navy);flex-direction:column;height:auto;border-bottom:1px solid #16324e}
  .gnb-nav.open{display:flex}
  .gnb-nav a{height:44px;border-bottom:1px solid #16324e;border-left:3px solid transparent}
  .gnb-nav a.is-on{border-bottom-color:#16324e;border-left-color:var(--accent)}
  .btn-menu{display:block}
  .hero,.page-hero{height:auto;min-height:320px}
  .split img{height:240px}
  .footer-bot{flex-direction:column;align-items:flex-start}
  .logo{width:148px;height:36px}
}