/* ============ ZEROTECHNOLOGY — clean/simple design system ============ */
:root{
  --ink:#0b1a2b; --ink-2:#16304a; --muted:#5f7488; --faint:#8aa0b3;
  --line:#e7eef4; --line-2:#dde7ef;
  --bg:#ffffff; --bg-soft:#f4f8fb; --bg-deep:#081521;
  --green:#8bc53f; --blue:#22a9e2;
  --accent:#22a9e2; --accent-deep:#127eb3; --accent-2:#8bc53f;
  --grad:linear-gradient(135deg,#8bc53f 0%,#22a9e2 100%);
  --radius:16px; --radius-sm:10px;
  --shadow:0 10px 30px rgba(11,26,43,.07);
  --shadow-lg:0 24px 60px rgba(11,26,43,.12);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,system-ui,"Apple SD Gothic Neo",sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.65;
  -webkit-font-smoothing:antialiased; letter-spacing:-.01em;
  word-break:keep-all; overflow-wrap:break-word;   /* 한글: 단어 중간 줄바꿈 방지, 어절 단위로 */
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}

/* ---- typography ---- */
h1,h2,h3,h4{line-height:1.2;font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--accent-deep)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.sec-title{font-size:clamp(1.7rem,3.4vw,2.6rem);margin:14px 0 0}
.sec-lead{color:var(--muted);font-size:1.06rem;margin-top:14px;max-width:640px}
.muted{color:var(--muted)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;
  font-weight:700;font-size:.96rem;border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(34,169,226,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(34,169,226,.36)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-deep)}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{transform:translateY(-2px)}
.btn-naver{background:#03c75a;color:#fff}
.btn-naver:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(3,199,90,.35)}

/* ---- header ---- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.18rem;letter-spacing:-.04em}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(34,169,226,.15)}
.brand b{font-weight:800}.brand span{color:var(--accent-deep)}
.brand img{height:36px;width:auto;display:block}
.footer .brand img{height:30px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:.96rem;font-weight:600;color:var(--ink-2);transition:.15s}
.nav-links a:hover{color:var(--accent-deep)}
.nav-cta{display:flex;align-items:center;gap:10px}
.lang-switch{display:inline-flex;align-items:center;justify-content:center;padding:7px 13px;border:1px solid var(--line-2);border-radius:999px;font-size:.82rem;font-weight:700;color:var(--ink-2);letter-spacing:.03em;transition:.15s}
.lang-switch:hover{border-color:var(--accent);color:var(--accent-deep)}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--ink)}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 600px at 78% -10%,rgba(139,197,63,.20),transparent 60%),
  radial-gradient(900px 500px at 110% 40%,rgba(34,169,226,.16),transparent 55%),
  var(--bg-soft)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:84px 0 92px}
.hero h1{font-size:clamp(2.2rem,5.2vw,3.7rem);line-height:1.12}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .en{display:block;font-size:clamp(.95rem,1.6vw,1.15rem);font-weight:600;color:var(--accent-deep);
  letter-spacing:.02em;margin-top:14px}
.hero p.lead{color:var(--ink-2);font-size:1.1rem;margin:22px 0 30px;max-width:520px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:flex;gap:30px;margin-top:40px;flex-wrap:wrap}
.hero-stats .s b{display:block;font-size:1.7rem;font-weight:800;color:var(--ink)}
.hero-stats .s span{font-size:.85rem;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual .card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;
  box-shadow:var(--shadow-lg)}
.hero-visual img{border-radius:14px;width:100%;height:360px;object-fit:cover}
.hero-badge{position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px}
.hero-badge .ic{width:40px;height:40px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:800}
.hero-badge b{display:block;font-size:.98rem}.hero-badge span{font-size:.78rem;color:var(--muted)}

/* ---- section frame ---- */
.section{padding:92px 0}
.section.soft{background:var(--bg-soft)}
.section.deep{background:var(--bg-deep);color:#dce6ef}
.section.deep h2,.section.deep h3{color:#fff}
.section.deep .sec-lead{color:#9fb4c6}
.sec-head{margin-bottom:48px}
.sec-head.center{text-align:center}
.sec-head.center .sec-lead{margin-left:auto;margin-right:auto}

/* ---- platform cards (4 사업) ---- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:.2s;position:relative;overflow:hidden}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.pcard .num{font-size:.8rem;font-weight:800;color:var(--accent);letter-spacing:.1em}
.pcard h3{font-size:1.22rem;margin:10px 0 6px}
.pcard .sub{font-size:.86rem;color:var(--accent-deep);font-weight:700;margin-bottom:10px}
.pcard p{font-size:.92rem;color:var(--muted)}
.pcard .bar{position:absolute;left:0;top:0;height:3px;width:100%;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.25s}
.pcard:hover .bar{transform:scaleX(1)}

/* ---- tech / facility ---- */
.tech-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.tech-points{display:flex;flex-direction:column;gap:22px;margin-top:26px}
.tp{display:flex;gap:16px}
.tp .ic{flex:none;width:42px;height:42px;border-radius:11px;background:rgba(34,169,226,.1);
  display:grid;place-items:center;color:var(--accent-deep);font-weight:800}
.tp h4{font-size:1.06rem}.tp p{font-size:.92rem;color:var(--muted);margin-top:3px}
.facility{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:54px}
.fcard{border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:#fff}
.fcard img{height:140px;width:100%;object-fit:cover}
.fcard .cap{padding:13px 14px}
.fcard .cap b{font-size:.92rem;display:block}.fcard .cap span{font-size:.78rem;color:var(--muted)}
.fcard .cap em{font-style:normal;color:var(--accent-deep);font-weight:700;font-size:.75rem}
.tech-mea{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow);margin-top:54px}
.tech-mea img{width:100%;height:auto;display:block}
.tech-mea .tm-cap{padding:16px 20px}
.tech-mea .tm-cap b{display:block;font-size:1.06rem;color:#12202f}
.tech-mea .tm-cap span{font-size:.85rem;color:var(--muted)}

/* stat row */
.statrow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:10px}
.stat{padding:22px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.section:not(.deep) .stat{background:#fff;border:1px solid var(--line)}
.stat b{font-size:2rem;font-weight:800;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.86rem;color:var(--muted)}
.section.deep .stat span{color:#9fb4c6}

/* ---- product preview grid ---- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.prod .ph{height:200px;background:var(--bg-soft);overflow:hidden}
.prod .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.prod:hover .ph img{transform:scale(1.05)}
.prod .body{padding:20px 22px;flex:1;display:flex;flex-direction:column}
.prod .body h3{font-size:1.12rem}
.prod .body .en{font-size:.8rem;color:var(--accent-deep);font-weight:700;letter-spacing:.03em}
.prod .body p{font-size:.9rem;color:var(--muted);margin:9px 0 0}
.prod.prod-cta{background:linear-gradient(145deg,#eef7e5,#e2f0fb);border-color:transparent;justify-content:center;text-align:center;padding:34px 28px}
.prod.prod-cta:hover{box-shadow:0 16px 40px rgba(34,169,226,.16)}
.prod.prod-cta .en{font-size:.8rem;color:var(--accent-deep);font-weight:700;letter-spacing:.03em}
.prod.prod-cta h3{font-size:1.24rem;margin:10px 0 12px;color:#12202f}
.prod.prod-cta p{font-size:.94rem;color:#33404d;line-height:1.65;margin:0}
.prod.prod-cta .cta-go{display:inline-block;margin-top:18px;color:var(--accent-deep);font-weight:800;font-size:.98rem}
.tag{display:inline-block;font-size:.72rem;font-weight:700;color:var(--accent-deep);
  background:rgba(34,169,226,.1);padding:4px 10px;border-radius:999px;margin-top:14px;align-self:flex-start}

/* ---- credibility ---- */
.cred-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.cc .k{font-size:1.9rem;font-weight:800;color:var(--ink)}
.cc .t{font-weight:700;margin-top:4px}.cc .d{font-size:.85rem;color:var(--muted);margin-top:6px}
.partners{display:flex;flex-wrap:wrap;gap:14px 30px;align-items:center;justify-content:center;margin-top:46px}
.partners img{height:42px;width:auto;filter:grayscale(1);opacity:.7;transition:.2s}
.partners img:hover{filter:none;opacity:1}
.cred-sub{font-size:1.15rem;font-weight:800;color:#12202f;text-align:center;margin:46px 0 18px}
.govlite{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.gvl{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.gvl .st{font-size:.72rem;font-weight:800;letter-spacing:.06em;color:var(--accent-deep)}
.gvl .st.done{color:#8c9aa8}
.gvl h4{font-size:1.04rem;margin:8px 0 6px;color:#12202f}
.gvl p{font-size:.86rem;color:var(--muted);line-height:1.5}
.gvl .org{font-size:.78rem;color:#8c9aa8;margin-top:10px;font-weight:600}
@media(max-width:760px){.govlite{grid-template-columns:1fr}}

/* gov projects */
.gov{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:10px}
.gv{border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:22px;background:rgba(255,255,255,.04)}
.gv .st{font-size:.72rem;font-weight:800;letter-spacing:.08em;color:#7fd0e8}
.gv .st.done{color:#9fb4c6}
.gv h4{font-size:1.02rem;margin:10px 0 6px;color:#fff}
.gv p{font-size:.84rem;color:#9fb4c6}
.gv .org{font-size:.78rem;color:#6f8499;margin-top:10px}

/* ---- team ---- */
.team-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.team-photo{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.team-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.member{border:1px solid var(--line);border-radius:12px;padding:16px}
.member .role{font-size:.72rem;font-weight:800;color:var(--accent-deep);letter-spacing:.06em}
.member b{display:block;font-size:1rem;margin:4px 0 2px}
.member span{font-size:.82rem;color:var(--muted)}

/* ---- contact ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.cinfo .row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.cinfo .row .ic{flex:none;width:40px;height:40px;border-radius:10px;background:rgba(34,169,226,.1);display:grid;place-items:center;color:var(--accent-deep)}
.cinfo .row b{display:block;font-size:.78rem;color:var(--muted);font-weight:700;letter-spacing:.04em}
.cinfo .row span{font-size:1.02rem;color:var(--ink)}
.contact-cta{background:var(--bg-deep);border-radius:24px;padding:38px;color:#fff;align-self:start}
.contact-cta h3{color:#fff;font-size:1.4rem}
.contact-cta p{color:#9fb4c6;margin:10px 0 24px;font-size:.95rem}
.contact-cta .btns{display:flex;flex-direction:column;gap:12px}

/* ---- footer ---- */
.footer{background:var(--bg-deep);color:#8aa0b3;padding:48px 0 30px;font-size:.88rem}
.footer-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:26px}
.footer .brand{color:#fff}
.footer a:hover{color:#fff}
.footer-meta{margin-top:22px;line-height:1.9}
.footer-meta b{color:#cdd9e3}

/* ---- page hero (sub pages) ---- */
.page-hero{background:
  radial-gradient(900px 400px at 85% -20%,rgba(34,169,226,.16),transparent 60%),var(--bg-deep);
  color:#fff;padding:70px 0 64px}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.5vw,3rem)}
.page-hero p{color:#9fb4c6;margin-top:16px;max-width:620px;font-size:1.08rem}
.crumb{font-size:.82rem;color:#7fd0e8;font-weight:700;letter-spacing:.04em;margin-bottom:14px}

/* ---- product detail blocks (products page) ---- */
.pblock{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;padding:64px 0;border-bottom:1px solid var(--line)}
.pblock:nth-child(even) .pb-media{order:2}
.pb-media{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--bg-soft);box-shadow:var(--shadow)}
.pb-media img{width:100%;height:380px;object-fit:cover}
.pb-media.contain{display:grid;place-items:center;padding:24px}
.pb-media.contain img{height:330px;object-fit:contain}
.pb-info .pi-no{font-size:.8rem;font-weight:800;color:var(--accent);letter-spacing:.1em}
.pb-info h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:8px 0 4px}
.pb-info .en{font-size:.95rem;color:var(--accent-deep);font-weight:700}
.pb-info .desc{color:var(--muted);margin:16px 0 22px}
.spec{width:100%;border-collapse:collapse;font-size:.92rem}
.spec th,.spec td{text-align:left;padding:11px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{color:var(--muted);font-weight:600;width:38%;white-space:nowrap}
.spec td{color:var(--ink);font-weight:600}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pill{font-size:.78rem;font-weight:700;color:var(--ink-2);background:var(--bg-soft);border:1px solid var(--line);padding:6px 12px;border-radius:999px}

/* custom banner */
.custom-banner{background:var(--grad);border-radius:24px;padding:40px;color:#fff;text-align:center;margin:56px 0}
.custom-banner h3{color:#fff;font-size:1.5rem}
.custom-banner p{opacity:.92;margin:10px auto 0;max-width:600px}

/* big buy CTA */
.buy-cta{text-align:center;padding:80px 0}
.buy-cta h2{font-size:clamp(1.8rem,4vw,2.6rem)}
.buy-cta p{color:var(--muted);margin:14px auto 28px;max-width:560px}
.buy-cta .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---- 사업분야 클릭 가능 + 모달 ---- */
.pcard{cursor:pointer}
.pcard .more{display:inline-flex;align-items:center;gap:5px;margin-top:14px;font-size:.82rem;
  font-weight:700;color:var(--accent-deep)}
.pcard .more::after{content:"→";transition:.2s}
.pcard:hover .more::after{transform:translateX(4px)}

.modal{position:fixed;inset:0;z-index:1000;display:none}
.modal.open{display:block}
.modal-overlay{position:absolute;inset:0;background:rgba(8,21,33,.55);backdrop-filter:blur(4px)}
.modal-dialog{position:relative;max-width:940px;width:calc(100% - 36px);max-height:88vh;overflow:auto;
  margin:6vh auto;background:#fff;border-radius:20px;box-shadow:var(--shadow-lg);
  animation:modalUp .28s cubic-bezier(.2,.7,.2,1)}
@keyframes modalUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.modal-head{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);
  padding:22px 28px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;z-index:2}
.modal-head .num{font-size:.78rem;font-weight:800;color:var(--accent);letter-spacing:.1em}
.modal-head h3{font-size:1.5rem;margin-top:4px}
.modal-head .en{font-size:.9rem;color:var(--accent-deep);font-weight:700}
.modal-close{flex:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:#fff;font-size:1.2rem;cursor:pointer;line-height:1;color:var(--ink);transition:.15s}
.modal-close:hover{background:var(--bg-soft);border-color:var(--accent)}
.modal-body{padding:26px 28px 34px}
.biz-sub{margin-top:10px}
.biz-sub + .biz-sub{margin-top:40px;padding-top:34px;border-top:1px solid var(--line)}
.biz-sub h4{font-size:1.15rem;display:flex;align-items:center;gap:10px}
.biz-sub h4 .pin{font-size:.7rem;font-weight:800;color:#fff;background:var(--grad);
  padding:3px 10px;border-radius:999px;letter-spacing:.03em}
.biz-sub .cap{font-size:.82rem;color:var(--muted);margin:6px 0 18px}
.biz-fig{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;margin-bottom:18px}
.biz-fig figcaption{font-size:.78rem;color:var(--muted);padding:8px 14px;border-top:1px solid var(--line);background:var(--bg-soft)}
.biz-fig img{width:100%;display:block}
.biz-cols{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;align-items:start}
.biz-spec{width:100%;border-collapse:collapse;font-size:.9rem}
.biz-spec th,.biz-spec td{text-align:left;padding:9px 0;border-bottom:1px solid var(--line);vertical-align:top}
.biz-spec th{color:var(--muted);font-weight:600;width:42%;white-space:nowrap}
.biz-spec td{color:var(--ink);font-weight:600}
.biz-list{list-style:none;display:flex;flex-direction:column;gap:18px}
.biz-list .bl b{display:block;font-size:.78rem;font-weight:800;color:var(--accent-deep);letter-spacing:.04em;margin-bottom:6px}
.biz-list .bl ul{list-style:none;display:flex;flex-direction:column;gap:5px}
.biz-list .bl li{font-size:.92rem;color:var(--ink-2);padding-left:16px;position:relative}
.biz-list .bl li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--grad)}
@media(max-width:760px){.biz-cols{grid-template-columns:1fr}.modal-head h3{font-size:1.25rem}}

/* reveal anim */
.reveal{opacity:0;transform:translateY(22px);transition:.6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---- responsive ---- */
@media(max-width:980px){
  .hero-grid,.tech-grid,.team-grid,.contact-grid,.pblock{grid-template-columns:1fr}
  .pblock:nth-child(even) .pb-media{order:0}
  .grid-4,.facility,.cred-grid,.gov,.statrow{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .team-list{grid-template-columns:1fr 1fr}
  .hero-visual{order:-1}
}
@media(max-width:640px){
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    padding:18px 24px;gap:18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .nav-cta{gap:8px}
  .nav-cta .btn-naver{display:none}
  .nav-cta .btn-primary{padding:9px 14px;font-size:.84rem}
  .lang-switch{padding:7px 11px}
  .grid-4,.facility,.cred-grid,.gov,.prod-grid,.statrow,.team-list{grid-template-columns:1fr}
  .section{padding:64px 0}
  .hero-grid{padding:54px 0 64px}
  .footer-top{flex-direction:column}
}

/* ============ v2 additions (2026-07 v6/IR upgrade) ============ */
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
@media(max-width:1080px){.grid-5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-5{grid-template-columns:1fr}}
.grid-5 .pcard h3{font-size:1.12rem}
.grid-5 .pcard p{font-size:.88rem}

/* 응용 갤러리 */
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
@media(max-width:900px){.apps-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.apps-grid{grid-template-columns:1fr}}
.app-card{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:#000}
.app-card img{width:100%;height:230px;object-fit:cover;display:block;transition:.35s}
.app-card:hover img{transform:scale(1.04);opacity:.92}
.app-card .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  background:linear-gradient(transparent,rgba(5,15,25,.82));color:#fff}
.app-card .cap b{display:block;font-size:1.02rem}
.app-card .cap span{font-size:.8rem;opacity:.85}

/* 모달 내 응용 이미지 3장 */
.biz-apps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 4px}
.biz-apps figure{margin:0;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.biz-apps img{width:100%;height:110px;object-fit:cover}
.biz-apps figcaption{font-size:.74rem;color:var(--muted);padding:6px 8px;background:var(--bg-soft)}
.biz-stat{display:flex;gap:26px;flex-wrap:wrap;margin:14px 0 2px}
.biz-stat .s b{display:block;font-size:1.35rem;font-weight:800;color:var(--accent-deep)}
.biz-stat .s span{font-size:.8rem;color:var(--muted)}

/* URFC 라인업 카드 */
.lineup{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
@media(max-width:900px){.lineup{grid-template-columns:1fr}}
.lu{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.lu img{width:100%;height:210px;object-fit:cover}
.lu .body{padding:18px 20px}
.lu .en{font-size:.74rem;font-weight:700;letter-spacing:.1em;color:var(--accent-deep)}
.lu h4{font-size:1.15rem;margin:4px 0 8px}
.lu p{font-size:.9rem;color:var(--muted)}
.lu .price{margin-top:10px;font-weight:800;color:var(--ink)}

/* ============ v3 corporate-site additions (2026-07-10) ============ */
/* GNB 드롭다운 */
.nav-links .has-sub{position:relative}
.nav-links .has-sub>a::after{content:" ▾";font-size:.7em;color:var(--faint)}
.nav-links .sub{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);
  min-width:170px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);
  padding:10px;opacity:0;visibility:hidden;transition:.18s;z-index:120}
.nav-links .has-sub:hover .sub,.nav-links .has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(4px)}
.nav-links .sub a{display:block;padding:9px 14px;border-radius:8px;font-size:.9rem}
.nav-links .sub a:hover{background:var(--bg-soft);color:var(--accent-deep)}
@media(max-width:960px){.nav-links .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0 0 0 14px}}

/* 메인 풀폭 배너 슬라이더 */
.banner{position:relative;height:min(72vh,640px);min-height:420px;overflow:hidden;background:#0a1622}
.banner .slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.banner .slide.on{opacity:1}
.banner .slide img{width:100%;height:100%;object-fit:cover;opacity:.68}
.banner .slide .shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,14,24,.78) 0%,rgba(5,14,24,.35) 55%,transparent 100%)}
.banner .slide .shade.shade-strong{background:linear-gradient(90deg,rgba(5,14,24,.92) 0%,rgba(5,14,24,.74) 34%,rgba(5,14,24,.32) 60%,transparent 88%)}
.banner .inner{position:absolute;inset:0;display:flex;align-items:center}
.banner .txt{max-width:640px;color:#fff}
.banner .txt .eyebrow{color:#9fe0ff}
.banner .txt h2{color:#fff;font-size:clamp(1.9rem,4.2vw,3.1rem);line-height:1.18;margin:14px 0 14px}
.banner .txt p{color:rgba(255,255,255,.85);font-size:1.05rem;max-width:520px}
.banner .txt .btns{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.banner .dots{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.banner .dots button{width:34px;height:4px;border-radius:4px;border:0;background:rgba(255,255,255,.35);cursor:pointer;transition:.2s}
.banner .dots button.on{background:#fff}

/* 바로가기 카드 (메인) */
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-46px;position:relative;z-index:6}
@media(max-width:960px){.quick{grid-template-columns:repeat(2,1fr);margin-top:20px}}
.qc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;
  box-shadow:var(--shadow);transition:.2s;display:block}
.qc:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.qc .en{font-size:.72rem;font-weight:700;letter-spacing:.12em;color:var(--accent-deep)}
.qc h3{font-size:1.12rem;margin:6px 0 6px}
.qc p{font-size:.86rem;color:var(--muted)}
.qc .go{display:inline-block;margin-top:10px;font-size:.84rem;font-weight:700;color:var(--accent-deep)}

/* 서브페이지 헤더 */
.sub-hero{background:linear-gradient(120deg,#0b1f30 0%,#123a52 60%,#186a8c 100%);color:#fff;padding:74px 0 58px;position:relative;overflow:hidden}
.sub-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,197,63,.25),transparent 65%)}
.sub-hero .crumb{font-size:.82rem;color:rgba(255,255,255,.65);letter-spacing:.08em}
.sub-hero h1{color:#fff;font-size:clamp(1.8rem,3.6vw,2.6rem);margin-top:10px}
.sub-hero p{color:rgba(255,255,255,.8);margin-top:12px;max-width:640px}

/* 페이지 내 탭(앵커) */
.page-tabs{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:14px 0;position:sticky;top:70px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);z-index:40}
.page-tabs a{padding:8px 16px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--ink-2);border:1px solid transparent}
.page-tabs a:hover{color:var(--accent-deep);border-color:var(--line-2)}

/* 인사말 */
.greet{display:grid;grid-template-columns:.9fr 1.6fr;gap:44px;align-items:start}
@media(max-width:900px){.greet{grid-template-columns:1fr}}
.greet .photo img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.greet .photo .name{margin-top:14px;font-size:.95rem;color:var(--muted)}
.greet .photo .name b{display:block;font-size:1.15rem;color:var(--ink)}
.greet .msg h3{font-size:1.5rem;line-height:1.45;margin-bottom:20px}
.greet .msg p{color:var(--ink-2);margin-bottom:16px;font-size:1.0rem}
.greet .sign{margin-top:22px;font-weight:800}

/* 연혁 타임라인 */
.timeline{position:relative;margin-top:30px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line-2)}
.tl{position:relative;padding:0 0 26px 18px}
.tl::before{content:"";position:absolute;left:-26px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 4px rgba(34,169,226,.14)}
.tl .yr{font-weight:800;color:var(--accent-deep);font-size:1.02rem}
.tl p{color:var(--ink-2);font-size:.95rem;margin-top:2px}

/* 데이터 테이블 (특허/설비) */
.dtable{width:100%;border-collapse:collapse;margin-top:18px;font-size:.93rem;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.dtable th{background:var(--bg-soft);text-align:left;padding:12px 14px;font-size:.82rem;color:var(--muted);letter-spacing:.04em;border-bottom:1px solid var(--line)}
.dtable td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.dtable tr:last-child td{border-bottom:0}
.dtable .badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.76rem;font-weight:700}
.dtable .badge.reg{background:rgba(139,197,63,.15);color:#5b8f1d}
.dtable .badge.app{background:rgba(34,169,226,.12);color:var(--accent-deep)}
@media(max-width:700px){.dtable{font-size:.83rem}.dtable th,.dtable td{padding:9px 10px}}
.about-left{display:flex;flex-direction:column;height:100%}
.cert-mini{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:auto;padding-top:24px}
.cert-mini figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 3px 10px rgba(15,30,50,.07);transition:transform .2s,box-shadow .2s;cursor:zoom-in}
.cert-mini figure:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,30,50,.14)}
.cert-mini img{width:100%;height:auto;display:block}
.lightbox{position:fixed;inset:0;background:rgba(8,14,22,.86);display:flex;align-items:center;justify-content:center;z-index:2000;cursor:zoom-out;padding:28px}
.lightbox img{max-width:min(560px,92vw);max-height:92vh;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.55)}
/* 밸류체인 (소재 → MEA → 스택 → 시스템) */
.chain{display:flex;align-items:stretch;justify-content:center;flex-wrap:wrap;gap:0;margin-top:40px}
.chain-step{flex:1 1 0;min-width:148px;max-width:220px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 16px;text-align:center;box-shadow:0 4px 16px rgba(15,30,50,.05)}
.chain-step .cs-ic{font-size:1.7rem;line-height:1;margin-bottom:10px}
.chain-step b{display:block;font-size:1.15rem;color:#12202f;margin-bottom:4px}
.chain-step span{display:block;font-size:.82rem;color:var(--muted);line-height:1.4}
.chain-step.core{border-color:#8bc53f;box-shadow:0 10px 26px rgba(139,197,63,.24)}
.chain-step.core b{color:#5b8f1d}
.chain-arrow{display:flex;align-items:center;justify-content:center;color:#8bc53f;font-size:1.5rem;font-weight:800;padding:0 12px;flex:0 0 auto}
.chain-cap{text-align:center;color:var(--muted);font-size:.95rem;margin-top:20px}
@media(max-width:760px){.chain{flex-direction:column;align-items:center}.chain-step{max-width:320px;width:100%}.chain-arrow{transform:rotate(90deg);padding:8px 0}}
/* 표준 제품 판매 가격 카드 */
.pricebox{margin-top:6px}
.pricebox .pb-h{font-size:1.05rem;font-weight:800;color:#12202f;margin-bottom:14px}
.pricebox .pb-h small{font-weight:400;color:var(--muted);font-size:.85rem;margin-left:6px}
.price-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pc-item{border:1px solid var(--line);border-radius:14px;padding:20px 14px;background:#fff;text-align:center;transition:transform .2s,box-shadow .2s}
.pc-item:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(15,30,50,.10)}
.pc-item .pc-type{font-weight:800;font-size:1.0rem;color:#12202f}
.pc-item .pc-use{font-size:.78rem;color:var(--muted);margin:5px 0 14px}
.pc-item .pc-price{font-size:1.4rem;font-weight:800;color:var(--accent-deep)}
.pc-item .pc-unit{font-size:.74rem;color:var(--muted);margin-top:3px}
.price-note{margin-top:16px;padding:13px 16px;background:var(--bg-soft);border-radius:12px;font-size:.9rem;color:#33404d;line-height:1.5}
.price-note a{color:var(--accent-deep);font-weight:700}
@media(max-width:640px){.price-cards{grid-template-columns:1fr}}

/* 문의 폼 */
.cform{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.cform .frow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
@media(max-width:700px){.cform .frow{grid-template-columns:1fr}}
.cform label{display:block;font-size:.86rem;font-weight:700;margin-bottom:6px;color:var(--ink-2)}
.cform label .req{color:#e0524d}
.cform input,.cform select,.cform textarea{width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;
  font:inherit;font-size:.95rem;background:var(--bg-soft);transition:.15s}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(34,169,226,.12)}
.cform textarea{min-height:150px;resize:vertical}
.cform .agree{display:flex;gap:8px;align-items:flex-start;font-size:.84rem;color:var(--muted);margin:6px 0 20px}
.cform .agree input{width:auto;margin-top:3px}
.form-note{font-size:.85rem;color:var(--muted);margin-top:14px}
.sent-box{background:rgba(139,197,63,.1);border:1px solid rgba(139,197,63,.4);color:#3f7300;
  padding:16px 20px;border-radius:12px;font-weight:600;margin-bottom:22px;display:none}

/* 설비 카드 */
.equip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
@media(max-width:900px){.equip-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.equip-grid{grid-template-columns:1fr}}
.eq{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.eq img{width:100%;height:210px;object-fit:contain;background:#fff;padding:12px;box-sizing:border-box;border-bottom:1px solid var(--line)}
.eq .body{padding:16px 18px}
.eq h4{font-size:1.02rem}
.eq p{font-size:.85rem;color:var(--muted);margin-top:4px}

/* 사이트맵형 푸터 보강 */
.footer-cols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px;margin-bottom:34px}
@media(max-width:900px){.footer-cols{grid-template-columns:1fr 1fr}}
.footer-cols h5{color:#fff;font-size:.9rem;margin-bottom:12px;letter-spacing:.04em}
.footer-cols a{display:block;color:rgba(255,255,255,.62);font-size:.86rem;padding:4px 0}
.footer-cols a:hover{color:#fff}