/* ===== EPC SECURITY SYSTEMS — shared stylesheet ===== */
:root{
  --navy:#0A1A33;--navy-2:#0E2547;--navy-3:#13315C;
  --blue:#2D7FF9;--blue-soft:#5B9BFF;--cyan:#37D6E0;
  --ink:#14213D;--gray:#5A6B86;--line:#E4E9F1;--bg:#F5F8FC;--white:#FFFFFF;
  --radius:14px;--shadow:0 18px 50px -18px rgba(10,26,51,.28);--maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:light}
body{font-family:'Pretendard',-apple-system,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style: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:.22em;color:var(--blue);text-transform:uppercase}
.sec-title{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--navy);margin-top:10px}
.sec-desc{color:var(--gray);font-size:16px;margin-top:14px;max-width:600px}

/* TOP BAR */
.topbar{background:var(--navy);color:#AEC2E0;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{transition:color .2s}.topbar a:hover{color:#fff}
.topbar .util{display:flex;gap:18px;align-items:center}
.lang{display:flex;gap:2px;align-items:center;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:2px}
.lang button{background:none;border:none;color:#8AA3C7;font:inherit;font-size:12px;font-weight:600;padding:3px 11px;border-radius:999px;cursor:pointer;transition:.2s}
.lang button.on{background:var(--blue);color:#fff}
.topbar .tel{font-weight:700;color:#fff;letter-spacing:.02em}

/* HEADER / NAV */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;letter-spacing:-.01em;color:var(--navy)}
.logo .mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--navy-3));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;box-shadow:0 6px 16px -4px rgba(45,127,249,.6)}
.logo small{display:block;font-size:9.5px;font-weight:600;letter-spacing:.25em;color:var(--blue)}
.logo-img{height:46px;width:auto;display:block}
footer .logo-img{filter:brightness(0) invert(1)}
.gnb{display:flex;height:100%}
.gnb>li{display:flex;align-items:center;padding:0 22px;position:relative;height:100%}
.gnb>li>a{font-weight:700;font-size:16px;color:var(--ink);transition:color .2s}
.gnb>li:hover>a,.gnb>li.active>a{color:var(--blue)}
.gnb>li>a::after{content:"";position:absolute;left:22px;right:22px;bottom:22px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.gnb>li:hover>a::after,.gnb>li.active>a::after{transform:scaleX(1)}
.mega{position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 28px 50px -24px rgba(10,26,51,.35);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.28s ease;z-index:99}
.mega.open{opacity:1;visibility:visible;transform:translateY(0)}
.mega .wrap{display:grid;grid-template-columns:repeat(6,1fr);gap:28px;padding:34px 24px 40px}
.mega .col h4{font-size:15px;font-weight:800;color:var(--navy);padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line)}
.mega .col a{display:block;font-size:14px;color:var(--gray);padding:7px 0;transition:.18s;cursor:pointer}
.mega .col a:hover{color:var(--blue);padding-left:6px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:var(--navy);transition:.3s}

/* HERO (index) */
.hero{position:relative;height:min(88vh,720px);min-height:520px;overflow:hidden;background:var(--navy);color:#fff}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease;display:grid;align-items:center}
.slide.active{opacity:1}
.slide::before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;background-image:
  linear-gradient(90deg,rgba(6,14,28,.94) 0%,rgba(6,14,28,.7) 45%,rgba(6,14,28,.4) 100%),var(--img)}
.slide::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(45,127,249,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(45,127,249,.07) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(circle at 75% 50%,#000,transparent 78%)}
.hero-in{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.hero .tag{font-size:13px;font-weight:700;letter-spacing:.3em;color:var(--cyan);text-transform:uppercase;opacity:0;animation:rise .8s .2s forwards}
.hero h1{font-size:clamp(34px,6vw,64px);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin:18px 0;opacity:0;animation:rise .8s .35s forwards;text-shadow:0 2px 30px rgba(0,0,0,.4)}
.hero h1 b{color:var(--blue-soft)}
.hero p{font-size:clamp(15px,2vw,19px);color:#D2DEF1;max-width:520px;opacity:0;animation:rise .8s .5s forwards;text-shadow:0 1px 12px rgba(0,0,0,.5)}
.hero .epc-words{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 30px;opacity:0;animation:rise .8s .6s forwards}
.hero .epc-words span{font-size:13px;font-weight:700;letter-spacing:.05em;padding:7px 15px;border:1px solid rgba(255,255,255,.3);border-radius:999px;color:#dce8fb;backdrop-filter:blur(4px);background:rgba(255,255,255,.05)}
.hero .epc-words span b{color:var(--cyan)}
.btns{display:flex;gap:12px;flex-wrap:wrap;opacity:0;animation:rise .8s .7s forwards}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:14px 26px;border-radius:999px;transition:.25s;cursor:pointer;border:none}
.btn-pri{background:var(--blue);color:#fff;box-shadow:0 12px 30px -10px rgba(45,127,249,.7)}
.btn-pri:hover{transform:translateY(-2px);background:#1a6cf0}
.btn-gho{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-gho:hover{background:rgba(255,255,255,.2)}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
.dots{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.dots button{width:34px;height:4px;border-radius:2px;border:none;background:rgba(255,255,255,.35);cursor:pointer;transition:.3s}
.dots button.on{background:var(--cyan);width:48px}

/* STATS */
.stats{background:var(--navy-2);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 24px}
.stat{text-align:center;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:-12px;top:14%;height:72%;width:1px;background:rgba(255,255,255,.12)}
.stat .n{font-size:clamp(32px,4.5vw,46px);font-weight:800;letter-spacing:-.02em;background:linear-gradient(120deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:14px;color:#9DB6D8;margin-top:6px;font-weight:600}

section.block{padding:96px 0}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:46px}

/* BUSINESS cards */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.biz-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.3s;position:relative;overflow:hidden}
.biz-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--blue),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .35s}
.biz-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.biz-card:hover::before{transform:scaleX(1)}
.biz-card .ic{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#EAF2FF,#D6E6FF);display:grid;place-items:center;margin-bottom:18px;color:var(--blue)}
.biz-card .ic svg{width:26px;height:26px}
.biz-card .en{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--blue);text-transform:uppercase}
.biz-card h3{font-size:20px;font-weight:800;color:var(--navy);margin:4px 0 10px}
.biz-card p{font-size:14.5px;color:var(--gray);line-height:1.65}

/* APPLICATIONS */
.app-band{background:var(--bg)}
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.app{position:relative;height:230px;border-radius:var(--radius);overflow:hidden;cursor:pointer;color:#fff;display:flex;align-items:flex-end;padding:22px}
.app::before{content:"";position:absolute;inset:0;transition:transform .5s ease}
.app::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,16,32,.88),rgba(7,16,32,.15))}
.app:hover::before{transform:scale(1.1)}
.a1::before{background:radial-gradient(circle at 50% 30%,#1f4f8a,#0a1a33)}
.a2::before{background:radial-gradient(circle at 50% 30%,#1d5a4a,#0a1f33)}
.a3::before{background:radial-gradient(circle at 50% 30%,#3a3a72,#101030)}
.a4::before{background:radial-gradient(circle at 50% 30%,#1a6e7a,#072028)}
.a5::before{background:radial-gradient(circle at 50% 30%,#5a3a6e,#160a2a)}
.app .txt{position:relative;z-index:2}
.app .txt b{font-size:18px;font-weight:800;display:block}
.app .txt span{font-size:12px;color:#bcd0ee;letter-spacing:.08em}
.app .arr{position:absolute;top:18px;right:18px;z-index:2;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.14);display:grid;place-items:center;opacity:0;transform:translateX(-6px);transition:.3s}
.app:hover .arr{opacity:1;transform:translateX(0)}

/* PRODUCTS */
.prod-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:26px}
.prod-main{background:linear-gradient(135deg,var(--navy),var(--navy-3));border-radius:var(--radius);padding:44px;color:#fff;position:relative;overflow:hidden}
.prod-main::after{content:"";position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(55,214,224,.25),transparent 70%)}
.prod-main h3{font-size:28px;font-weight:800;margin-bottom:14px;position:relative}
.prod-main p{color:#bcd0ee;max-width:380px;position:relative}
.prod-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;position:relative}
.prod-tags span{font-size:13px;font-weight:600;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2)}
.prod-side{display:grid;grid-template-rows:1fr 1fr;gap:26px}
.prod-cell{border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s}
.prod-cell:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-4px)}
.prod-cell h4{font-size:18px;font-weight:800;color:var(--navy)}
.prod-cell p{font-size:14px;color:var(--gray);margin-top:8px}

/* PARTNERS */
.partners{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.partners .wrap{padding:40px 24px}
.partners .lab{text-align:center;font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--gray);text-transform:uppercase;margin-bottom:24px}
.plogos{display:flex;flex-wrap:wrap;justify-content:center;gap:18px 40px;align-items:center}
.plogos span{font-size:20px;font-weight:800;color:#9fb0c8;letter-spacing:-.01em;transition:.25s;filter:grayscale(1);cursor:default}
.plogos span:hover{color:var(--navy);filter:grayscale(0)}

/* CTA */
.cta{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(45,127,249,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(45,127,249,.08) 1px,transparent 1px);background-size:50px 50px;mask-image:radial-gradient(circle at 80% 50%,#000,transparent 70%)}
.cta .wrap{position:relative;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:70px 24px;flex-wrap:wrap}
.cta h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.cta h2 b{color:var(--cyan)}
.cta .info{margin-top:16px;color:#aec2e0;font-size:15px}
.cta .info b{color:#fff}

/* FOOTER */
footer{background:#06101f;color:#8fa6c6;font-size:14px}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding:60px 24px 30px}
footer .logo{color:#fff;margin-bottom:16px}
footer h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
footer a{display:block;padding:5px 0;transition:.2s}
footer a:hover{color:var(--blue-soft)}
footer .addr{line-height:1.8;font-size:13.5px;color:#7d93b2}
.copy{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:20px;font-size:12.5px;color:#5d7196}

/* MOBILE DRAWER */
.drawer{position:fixed;inset:0;z-index:200;background:rgba(6,16,31,.5);opacity:0;visibility:hidden;transition:.3s}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{position:absolute;right:0;top:0;height:100%;width:min(82%,340px);background:#fff;transform:translateX(100%);transition:.35s;overflow-y:auto;padding:22px}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.drawer .x{background:none;border:none;font-size:28px;cursor:pointer;color:var(--navy);line-height:1}
.m-acc{border-bottom:1px solid var(--line)}
.m-acc>button{width:100%;text-align:left;background:none;border:none;font:inherit;font-size:16px;font-weight:700;color:var(--navy);padding:16px 4px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.m-acc>button .chev{transition:.3s;color:var(--blue)}
.m-acc.open>button .chev{transform:rotate(180deg)}
.m-sub{max-height:0;overflow:hidden;transition:max-height .35s}
.m-acc.open .m-sub{max-height:340px}
.m-sub a{display:block;padding:10px 4px 10px 16px;color:var(--gray);font-size:14.5px;border-left:2px solid var(--line);margin-left:4px}
.m-sub a:hover{color:var(--blue)}
.m-lang{display:flex;gap:6px;margin-top:18px}
.m-lang button{flex:1;padding:11px;border:1px solid var(--line);background:#fff;border-radius:8px;font:inherit;font-weight:700;cursor:pointer}
.m-lang button.on{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ============ SUB-PAGE COMPONENTS ============ */
/* page banner */
.pbanner{position:relative;background:var(--navy);color:#fff;overflow:hidden;padding:74px 0 64px}
.pbanner::before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;background-image:var(--bimg)}
.pbanner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,17,33,.92),rgba(8,17,33,.55))}
.pbanner .wrap{position:relative;z-index:2}
.pbanner .crumb{font-size:13px;color:#9fb8da;font-weight:600;letter-spacing:.04em}
.pbanner .crumb b{color:var(--cyan)}
.pbanner h1{font-size:clamp(30px,4.5vw,48px);font-weight:800;letter-spacing:-.02em;margin-top:12px}
.pbanner .en{font-size:14px;letter-spacing:.3em;color:var(--cyan);text-transform:uppercase;font-weight:700}

/* sub nav tabs */
.subnav{position:sticky;top:74px;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:4px;overflow-x:auto}
.subnav button{flex:none;background:none;border:none;font:inherit;font-size:15px;font-weight:700;color:var(--gray);padding:18px 18px;cursor:pointer;position:relative;white-space:nowrap;transition:color .2s}
.subnav button:hover{color:var(--navy)}
.subnav button.on{color:var(--blue)}
.subnav button.on::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--blue);border-radius:3px 3px 0 0}

.panel{display:none;padding:72px 0;animation:fade .5s}
.panel.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.p-head{margin-bottom:40px}
.p-head .lab{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--blue);text-transform:uppercase}
.p-head h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;color:var(--navy);letter-spacing:-.02em;margin-top:8px}

/* CEO message */
.ceo{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:center}
.ceo .photo{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/5;background:linear-gradient(160deg,var(--navy-3),var(--navy));position:relative;display:grid;place-items:center;color:#28456f}
.ceo .photo svg{width:42%;opacity:.5}
.ceo .photo img{position:absolute;bottom:0;left:50%;transform:translateX(-50%);height:100%;width:auto;max-width:128%;z-index:1}
.ceo .photo .ph-lab{position:absolute;bottom:0;left:0;right:0;padding:22px;background:linear-gradient(to top,rgba(7,16,32,.9),transparent);color:#fff;z-index:2}
.ceo .photo .ph-lab b{font-size:20px;font-weight:800;display:block}
.ceo .photo .ph-lab span{color:var(--cyan);font-size:13px;font-weight:600}
.ceo .msg .quote{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--navy);line-height:1.4;letter-spacing:-.02em;margin-bottom:24px}
.ceo .msg .quote b{color:var(--blue)}
.ceo .msg p{color:var(--gray);font-size:15.5px;margin-bottom:16px;line-height:1.8}
.ceo .sign{margin-top:26px;font-size:15px;color:var(--ink)}
.ceo .sign b{font-size:19px;font-weight:800;margin-left:6px}

/* org chart */
.org{display:flex;flex-direction:column;align-items:center;gap:0}
.org .node{background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:12px 22px;font-weight:700;font-size:15px;color:var(--navy);text-align:center;box-shadow:0 6px 16px -10px rgba(10,26,51,.3)}
.org .node.top{background:var(--navy);color:#fff;border-color:var(--navy);font-size:16px;padding:14px 30px}
.org .node.aux{background:var(--bg);color:var(--gray);font-weight:600;font-size:13.5px;padding:9px 16px}
.org .vline{width:2px;height:26px;background:var(--line)}
.org .with-aux{display:flex;align-items:center;gap:14px}
.org .with-aux .side{display:flex;gap:10px}
.teams{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;width:100%;margin-top:26px}
.team{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.team .th{background:linear-gradient(135deg,var(--blue),var(--navy-3));color:#fff;font-weight:800;font-size:15.5px;padding:14px 18px}
.team ul{padding:8px 18px 16px}
.team li{padding:8px 0;border-bottom:1px dashed var(--line);color:var(--gray);font-size:14px;font-weight:600}
.team li:last-child{border:none}

/* timeline */
.tl{position:relative;max-width:820px;margin:0 auto;padding-left:30px}
.tl::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-year{position:relative;margin-bottom:34px}
.tl-year::before{content:"";position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(45,127,249,.15)}
.tl-year h3{font-size:24px;font-weight:800;color:var(--navy);margin-bottom:12px;letter-spacing:-.01em}
.tl-year ul li{position:relative;padding:6px 0 6px 18px;color:var(--gray);font-size:14.5px;line-height:1.6}
.tl-year ul li::before{content:"";position:absolute;left:0;top:14px;width:6px;height:6px;border-radius:50%;background:var(--blue-soft)}
.tl-year ul li b{color:var(--ink);font-weight:700;margin-right:6px}

/* cert grid */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cert{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;background:#fff}
.cert:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--blue)}
.cert .thumb{aspect-ratio:1/1.18;overflow:hidden;background:#eef2f8;border-bottom:1px solid var(--line)}
.cert .thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .45s}
.cert:hover .thumb img{transform:scale(1.04)}
.cert .cap{padding:15px 14px;text-align:center}
.cert .cap b{display:block;font-size:14px;font-weight:700;color:var(--navy);line-height:1.4}
.cert .cap span{font-size:12px;color:var(--blue);font-weight:600}

/* client logos */
.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.client{border:1px solid var(--line);border-radius:var(--radius);height:104px;display:grid;place-items:center;font-weight:800;font-size:18px;color:#7e90ac;transition:.25s;background:#fff;text-align:center;padding:10px}
.client:hover{color:var(--navy);border-color:var(--blue);box-shadow:var(--shadow)}

/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:40px}
.cc{border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s}
.cc:hover{box-shadow:var(--shadow);border-color:var(--blue)}
.cc .tag2{display:inline-block;font-size:12px;font-weight:700;color:var(--blue);background:#EAF2FF;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.cc h4{font-size:18px;font-weight:800;color:var(--navy);margin-bottom:10px}
.cc p{font-size:14px;color:var(--gray);line-height:1.9}
.cc p b{color:var(--ink);font-weight:700;display:inline-block;min-width:74px}
.cform{background:var(--bg);border-radius:var(--radius);padding:34px}
.cform h4{font-size:20px;font-weight:800;color:var(--navy);margin-bottom:6px}
.cform .note{font-size:13px;color:var(--gray);margin-bottom:22px}
.cform .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.cform input,.cform textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px 15px;font:inherit;font-size:14.5px;background:#fff;transition:.2s}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(45,127,249,.12)}
.cform textarea{min-height:120px;resize:vertical;margin-bottom:14px}

/* business detail */
.bd{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:56px}
.bd .visual{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;position:relative;background:linear-gradient(140deg,var(--navy-3),var(--navy))}
.bd .visual::after{content:"";position:absolute;inset:0;background-size:cover;background-position:center;background-image:var(--bdimg)}
.bd .en{font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--blue);text-transform:uppercase}
.bd h3{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--navy);margin:8px 0 16px;letter-spacing:-.02em}
.bd .lead{font-size:16px;color:var(--gray);line-height:1.8;margin-bottom:22px}
.svc-list{display:grid;gap:10px}
.svc-list .it{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink);font-weight:600}
.svc-list .it .dot{flex:none;width:22px;height:22px;border-radius:6px;background:#EAF2FF;color:var(--blue);display:grid;place-items:center;font-size:13px;margin-top:1px}
/* process steps */
.proc{background:var(--bg);border-radius:var(--radius);padding:36px;margin-bottom:8px}
.proc .ph{font-size:14px;font-weight:800;color:var(--navy);letter-spacing:.04em;margin-bottom:22px;text-transform:uppercase}
.steps{display:flex;gap:10px;flex-wrap:wrap}
.step{flex:1;min-width:130px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;position:relative}
.step .n{font-size:12px;font-weight:800;color:var(--blue);letter-spacing:.1em}
.step b{display:block;font-size:15px;font-weight:700;color:var(--navy);margin-top:6px}
.step .arrow{position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--blue-soft);font-size:18px;z-index:2}
.step:last-child .arrow{display:none}

/* item-feature 2x2 */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feat{border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;gap:16px;align-items:flex-start;transition:.3s}
.feat:hover{box-shadow:var(--shadow);border-color:var(--blue);transform:translateY(-3px)}
.feat .ic{flex:none;width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,#EAF2FF,#D6E6FF);display:grid;place-items:center;color:var(--blue)}
.feat .ic svg{width:22px;height:22px}
.feat b{font-size:16px;font-weight:800;color:var(--navy)}
.feat p{font-size:14px;color:var(--gray);margin-top:5px;line-height:1.6}

.bg-soft{background:var(--bg)}

/* applications case page */
.case-hero{position:relative;border-radius:var(--radius);overflow:hidden;min-height:300px;display:flex;align-items:flex-end;color:#fff;margin-bottom:40px}
.case-hero::before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;background-image:var(--cimg);transition:transform .6s}
.case-hero:hover::before{transform:scale(1.04)}
.case-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,16,32,.9),rgba(7,16,32,.45) 70%,rgba(7,16,32,.2))}
.ch-in{position:relative;z-index:2;padding:38px 40px}
.ch-tag{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase}
.ch-in h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;margin:8px 0 6px;letter-spacing:-.02em}
.ch-in p{color:#cdddf3;font-size:15px;font-weight:600}
.case-list{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}
.ci{display:flex;gap:13px;align-items:flex-start;padding:15px 0;border-bottom:1px solid var(--line)}
.ci .dot{flex:none;width:24px;height:24px;border-radius:7px;background:#EAF2FF;color:var(--blue);display:grid;place-items:center;font-size:11px;font-weight:800;margin-top:2px}
.ci b{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5}
.ci .sub{display:block;font-size:13px;color:var(--gray);font-weight:500;margin-top:4px;line-height:1.6}
.vehicle-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:34px}
.vehicle-grid figure{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.vehicle-grid img{width:100%;display:block}
.vehicle-grid figcaption{padding:12px 16px;font-size:13px;color:var(--gray);font-weight:600;border-top:1px solid var(--line)}
.solo-fig{max-width:760px;margin:0 auto 34px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.solo-fig img{width:100%;display:block}
.solo-fig figcaption{padding:13px 16px;font-size:13px;color:var(--gray);font-weight:600;border-top:1px solid var(--line);text-align:center}

/* products */
.prod-visual{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:linear-gradient(140deg,var(--navy-3),var(--navy));display:grid;place-items:center;padding:30px;position:relative}
.prod-visual::after{content:"";position:absolute;right:-40px;bottom:-40px;width:170px;height:170px;border-radius:50%;background:radial-gradient(circle,rgba(55,214,224,.22),transparent 70%)}
.prod-visual img{max-width:100%;max-height:100%;object-fit:contain;position:relative;z-index:1}
.prod-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.prod-thumb{border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.3s}
.prod-thumb:hover{box-shadow:var(--shadow);border-color:var(--blue);transform:translateY(-4px)}
.prod-thumb .im{aspect-ratio:4/3;display:grid;place-items:center;padding:18px;background:linear-gradient(140deg,#0e2547,#0a1a33)}
.prod-thumb .im img{max-width:100%;max-height:100%;object-fit:contain}
.prod-thumb b{display:block;padding:13px;font-size:14px;font-weight:700;color:var(--navy);text-align:center}
.spec-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px}
.spec-tags span{font-size:13px;font-weight:600;padding:8px 15px;border-radius:999px;background:#EAF2FF;color:var(--blue)}

/* resource / newsletter list */
.res-list{border-top:2px solid var(--navy)}
.res-row{display:flex;align-items:center;gap:18px;padding:18px 8px;border-bottom:1px solid var(--line);transition:background .2s}
.res-row:hover{background:var(--bg)}
.res-row .name{flex:1;font-weight:700;color:var(--ink);font-size:15px}
.res-row .name .ty{display:inline-block;font-size:11px;font-weight:700;color:var(--blue);background:#EAF2FF;padding:3px 9px;border-radius:5px;margin-right:10px}
.res-row .meta{font-size:13px;color:var(--gray);white-space:nowrap}
.res-row .dl{display:inline-block;font-size:13px;font-weight:700;color:var(--blue);border:1px solid var(--blue);border-radius:8px;padding:8px 15px;background:none;cursor:pointer;white-space:nowrap;transition:.2s;text-decoration:none}
.res-row .dl:hover{background:var(--blue);color:#fff}
.res-cat{font-size:16px;font-weight:800;color:var(--navy);margin:0 0 6px;letter-spacing:-.01em}
.res-cat.sep{margin-top:46px}

/* partners */
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.partner-logo{border:1px solid var(--line);border-radius:var(--radius);height:132px;display:grid;place-items:center;background:#fff;padding:24px;transition:.3s}
.partner-logo:hover{box-shadow:var(--shadow);border-color:var(--blue)}
.partner-logo img{max-width:80%;max-height:62px;object-fit:contain}

/* faq */
.faq{border-top:2px solid var(--navy)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:none;font:inherit;font-size:16px;font-weight:700;color:var(--navy);padding:20px 8px;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq-q .qmark{color:var(--blue);font-weight:800;margin-right:12px}
.faq-q .chev{color:var(--blue);transition:.3s;flex:none}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s;color:var(--gray);font-size:14.5px;line-height:1.8}
.faq-item.open .faq-a{max-height:260px}
.faq-a div{padding:2px 8px 22px 36px}

@media(max-width:860px){
  .prod-thumbs,.partner-grid{grid-template-columns:repeat(2,1fr)}
  .res-row{flex-wrap:wrap;gap:8px 14px}
}

/* RESPONSIVE */
@media(max-width:1080px){
  .mega .wrap{grid-template-columns:repeat(3,1fr);gap:24px 16px}
  .app-grid{grid-template-columns:repeat(3,1fr)}
  .cert-grid{grid-template-columns:repeat(3,1fr)}
  .teams{grid-template-columns:1fr}
}
@media(max-width:860px){
  .gnb,.topbar .util .lang,.btn-gho.deskonly{display:none}
  .mega{display:none}.burger{display:flex}
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:34px 24px}
  .stat:nth-child(2)::after{display:none}
  .prod-grid,.ceo,.bd,.contact-grid,.cform .row{grid-template-columns:1fr}
  .case-list,.vehicle-grid{grid-template-columns:1fr}
  .ceo .photo{max-width:340px;margin:0 auto}
  section.block,.panel{padding:60px 0}
  .subnav{top:74px}
  .client-grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .app-grid{grid-template-columns:1fr 1fr}
  .biz-grid{grid-template-columns:1fr}
  .hero{min-height:480px}
  footer .wrap{grid-template-columns:1fr}
  .step{min-width:46%}
}

/* ===== VINIV — EPC OWN BRAND ===== */
.viniv-lockup{display:flex;flex-direction:column;align-items:center;text-align:center;padding:6px 0}
/* 로고는 배경을 구워넣은 불투명 이미지 사용 → 폰의 밝게/어둡게(강제 다크모드) 어디서도 동일하게 보임 */
.viniv-mark{display:block;width:min(380px,86vw);margin:0 auto 30px;border-radius:16px}
/* ④ 심볼마크: 남색 배경이 통째로 들어간 이미지로 비주얼 박스를 가득 채움 */
.prod-visual.viniv-vis{padding:0}
.prod-visual.viniv-vis img{position:absolute;inset:0;width:100%;height:100%;max-width:none;max-height:none;object-fit:cover;z-index:1}
.viniv-lockup .slogan{font-size:clamp(22px,3.2vw,34px);font-weight:800;color:var(--navy);letter-spacing:-.02em;line-height:1.3}
.viniv-lockup .slogan b{color:var(--blue)}
.viniv-lockup .sub-en{margin-top:16px;font-size:15px;font-weight:700;letter-spacing:.14em;color:var(--blue);text-transform:uppercase}
.viniv-lockup .desc{margin-top:16px;color:var(--gray);font-size:16px;max-width:660px;line-height:1.8}
.brand-meta{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:26px}
.brand-meta span{font-size:13px;font-weight:600;padding:8px 16px;border-radius:999px;background:#EAF2FF;color:var(--blue)}

/* palindrome mirror visual */
.palindrome-vis{border-radius:var(--radius);overflow:hidden;background:linear-gradient(140deg,var(--navy-3),var(--navy));aspect-ratio:4/3;display:grid;place-items:center;position:relative;padding:34px}
.palindrome-vis::after{content:"";position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(55,214,224,.22),transparent 70%)}
.palindrome-vis img{width:min(58%,260px);object-fit:contain;position:relative;z-index:1;filter:brightness(0) invert(1)}
.palindrome-word{position:relative;z-index:1;text-align:center;line-height:1}
.palindrome-word .w{font-size:clamp(38px,6vw,66px);font-weight:900;letter-spacing:.18em;color:#fff;display:block}
.palindrome-word .w.mir{transform:scaleY(-1);color:var(--cyan);opacity:.45;margin-top:8px}
.palindrome-word .arrows{font-size:14px;letter-spacing:.3em;color:var(--cyan);margin-top:18px;font-weight:700}

/* 5 pillars : V · I · N · I · V */
.pillars{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:8px}
.pillar{border:1px solid var(--line);border-radius:14px;padding:28px 20px;background:#fff;transition:.3s;text-align:center}
.pillar:hover{box-shadow:var(--shadow);border-color:var(--blue);transform:translateY(-5px)}
.pillar .badge{width:56px;height:56px;margin:0 auto 16px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--navy-3));color:#fff;font-weight:900;font-size:28px;display:grid;place-items:center;box-shadow:0 8px 18px -6px rgba(45,127,249,.6)}
.pillar h4{font-size:18px;font-weight:800;color:var(--navy);letter-spacing:.01em}
.pillar .ko{display:block;font-size:13px;font-weight:700;color:var(--blue);margin-top:4px}
.pillar p{margin-top:13px;font-size:14px;color:var(--gray);line-height:1.7}

@media(max-width:860px){
  .pillars{grid-template-columns:repeat(2,1fr)}
  .palindrome-vis{aspect-ratio:16/10}
}
@media(max-width:560px){.pillars{grid-template-columns:1fr}}

/* VINIV 듀얼 라인업 */
.dual-lineup{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.dl-card{border:1px solid var(--line);border-radius:16px;padding:30px 32px;background:#fff}
.dl-card.kr{border-top:4px solid var(--blue)}
.dl-card.cn{border-top:4px solid var(--cyan)}
.dl-card .flag{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--blue)}
.dl-card.cn .flag{color:#0a8c96}
.dl-card h4{font-size:21px;font-weight:800;color:var(--navy);margin:6px 0 4px;letter-spacing:-.01em}
.dl-card .sub{font-size:14px;color:var(--gray);margin-bottom:18px}
.dl-card .dl-list{display:grid;gap:9px;margin-bottom:18px}
.dl-card .dl-list .it{display:flex;gap:10px;font-size:14px;color:var(--ink);font-weight:600}
.dl-card .dl-list .dot{flex:none;width:20px;height:20px;border-radius:6px;background:#EAF2FF;color:var(--blue);display:grid;place-items:center;font-size:12px}
.dl-card.cn .dl-list .dot{background:#E5FAFC;color:#0a8c96}
.dl-card .tags{display:flex;flex-wrap:wrap;gap:8px}
.dl-card .tags span{font-size:12.5px;font-weight:600;padding:7px 13px;border-radius:999px;background:#EAF2FF;color:var(--blue)}
.dl-card.cn .tags span{background:#E5FAFC;color:#0a8c96}

/* VINIV 제품 라인업 카드 */
.vp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.vp-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:.3s;display:flex;flex-direction:column}
.vp-card:hover{box-shadow:var(--shadow);border-color:var(--blue);transform:translateY(-5px)}
.vp-card .im{aspect-ratio:4/3;background:var(--bg);display:grid;place-items:center;padding:18px}
.vp-card .im img{max-width:100%;max-height:100%;object-fit:contain}
.vp-card .info{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.vp-card .model{font-size:12.5px;font-weight:800;letter-spacing:.04em;color:var(--blue)}
.vp-card h4{font-size:17px;font-weight:800;color:var(--navy);margin:4px 0 13px;letter-spacing:-.01em}
.vp-card .sp{display:grid;gap:7px}
.vp-card .sp span{font-size:13.5px;color:var(--gray);padding-left:14px;position:relative;line-height:1.55}
.vp-card .sp span::before{content:"";position:absolute;left:2px;top:9px;width:5px;height:5px;border-radius:50%;background:var(--blue)}
.vp-card .origin{margin-top:auto;padding-top:15px;display:flex;gap:7px;flex-wrap:wrap}
.vp-card .origin b{font-size:11.5px;font-weight:700;padding:5px 11px;border-radius:999px}
.vp-card .origin .kr{background:#EAF2FF;color:var(--blue)}
.vp-card .origin .cn{background:#E5FAFC;color:#0a8c96}

@media(max-width:860px){
  .vp-grid{grid-template-columns:repeat(2,1fr)}
  .dual-lineup{grid-template-columns:1fr}
}
@media(max-width:560px){.vp-grid{grid-template-columns:1fr}}

/* 한 패널 안에서 블록(라인업/로드맵/제품) 사이 간격 */
.p-head.sep{margin-top:78px}

/* NIS 인증 로드맵 */
.nis-road{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.nis-step{border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:16px;padding:28px 24px;background:#fff;position:relative}
.nis-step .num{position:absolute;top:-15px;right:22px;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--navy-3));color:#fff;font-weight:800;font-size:14px;display:grid;place-items:center;box-shadow:0 6px 14px -5px rgba(45,127,249,.6)}
.nis-step .date{font-size:13px;font-weight:800;letter-spacing:.04em;color:var(--blue)}
.nis-step .ph{font-size:18px;font-weight:800;color:var(--navy);margin:8px 0 10px;letter-spacing:-.01em}
.nis-step p{font-size:13.5px;color:var(--gray);line-height:1.65}
.nis-step.goal{border-top-color:var(--cyan)}
.nis-step.goal .date{color:#0a8c96}
.nis-step.goal .num{background:linear-gradient(135deg,var(--cyan),#0a8c96)}

@media(max-width:860px){.nis-road{grid-template-columns:repeat(2,1fr);gap:24px 18px}}
@media(max-width:560px){.nis-road{grid-template-columns:1fr}}

/* VINIV callout on products page */
.brand-callout{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:48px;padding:24px 28px;border-radius:var(--radius);background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;position:relative;overflow:hidden}
.brand-callout::after{content:"";position:absolute;right:-30px;top:-30px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(55,214,224,.25),transparent 70%)}
.brand-callout .bc-txt{position:relative;z-index:1}
.brand-callout .bc-txt .lab{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--cyan);text-transform:uppercase}
.brand-callout .bc-txt b{display:block;font-size:20px;font-weight:800;margin-top:5px}
.brand-callout .bc-txt span{display:block;font-size:14px;color:#aec2e0;margin-top:4px}
.brand-callout .btn{position:relative;z-index:1;flex:none}