:root{--red:#d71920;--red-d:#b3151b;--ink:#222;--sec:#666;--line:#ddd;--bg:#fff;--gray:#f5f5f5;--gray2:#eee;--maxw:1200px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,"Malgun Gothic",sans-serif;color:var(--ink);background:#fff;line-height:1.6;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:#1a1a1a}
.btn{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:14px;border-radius:3px;padding:11px 20px;border:1.5px solid transparent;transition:.15s;cursor:pointer}
.btn-red{background:var(--red);color:#fff;border-color:var(--red)}
.btn-red:hover{background:var(--red-d);border-color:var(--red-d)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-line:hover{border-color:var(--red);color:var(--red)}
.btn-lg{padding:13px 26px;font-size:15px;white-space:nowrap}
/* header */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
.topbar{background:#1f1f1f;color:#cfcfcf;font-size:12.5px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:34px}
.topbar-c a{margin-left:18px}.topbar-c a:hover,.topbar a:hover{color:#fff}
.header-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand-en{font-size:18px;font-weight:800;letter-spacing:.01em;color:#1a1a1a}
.brand-en strong{color:var(--red)}
.brand-kr{font-size:11px;color:var(--sec);letter-spacing:.04em;margin-top:1px}
.gnb{height:100%}
.nav-list{list-style:none;display:flex;align-items:center;height:100%}
.nav-list>li{position:relative;display:flex;align-items:center;height:100%}
.nav-list>li>a{display:flex;align-items:center;height:100%;padding:0 11px;font-weight:600;font-size:14.5px;color:#333;border-bottom:3px solid transparent;white-space:nowrap}
.nav-list>li.has-mega:hover>a{color:var(--red);border-bottom-color:var(--red)}
.nav-cta{margin-left:8px}
.nav-list>li.nav-cta>a{color:#fff;white-space:nowrap}
.mega{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-top:3px solid var(--red);box-shadow:0 16px 34px rgba(0,0,0,.12);min-width:560px;max-width:760px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.14s;z-index:120}
.nav-list>li.has-mega:hover .mega{opacity:1;visibility:visible;transform:none}
.nav-list>li:nth-child(n+5) .mega{left:auto;right:0}
.mega-inner{padding:16px}
.mega-inner.one-col{min-width:230px}
.mega-inner.one-col a{display:block;padding:8px 10px;border-radius:3px;font-size:14px;color:#444}
.mega-head{margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--gray2)}
.mega-head .all{font-weight:700;color:var(--red);font-size:13.5px}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px 14px;max-height:60vh;overflow:auto}
.mega-grid.cols2{grid-template-columns:repeat(2,1fr)}
.mega-grid a,.mega-inner.one-col a{display:block}
.mega-grid a{padding:7px 9px;border-radius:3px;font-size:13.5px;color:#444}
.mega-grid a:hover,.mega-inner.one-col a:hover{background:#fbeaec;color:var(--red)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:1px solid var(--line);border-radius:4px;padding:9px 10px}
.hamburger span{width:20px;height:2px;background:#222;display:block}
/* drawer */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:190;opacity:0;visibility:hidden;transition:.2s}
.scrim.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;z-index:200;transform:translateX(100%);transition:transform .25s;display:flex;flex-direction:column;box-shadow:-10px 0 30px rgba(0,0,0,.15)}
.drawer.open{transform:none}
.drawer-top{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}
.drawer-x{background:none;border:none;font-size:26px;line-height:1}
.drawer-body{overflow-y:auto;padding-bottom:30px}
.drawer details{border-bottom:1px solid var(--line)}
.drawer summary{padding:14px 18px;font-weight:700;font-size:15px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.drawer summary::-webkit-details-marker{display:none}
.drawer summary::after{content:"+";color:var(--red);font-weight:700}
.drawer details[open] summary::after{content:"\2212"}
.m-sub{display:flex;flex-direction:column;padding:4px 18px 12px}
.m-sub a{padding:8px 0;color:#444;font-size:14px;border-top:1px solid var(--gray2)}
.m-sub .m-all{font-weight:700;color:var(--red);border-top:none}
.m-direct{display:block;padding:16px 18px;font-weight:700;color:var(--red)}
/* breadcrumb */
.crumb{background:var(--gray);border-bottom:1px solid var(--line);font-size:13px;color:var(--sec)}
.crumb .container{padding-top:11px;padding-bottom:11px}
.crumb a:hover{color:var(--red)}
.crumb i{color:#bbb;font-style:normal;margin:0 3px}
.crumb span{color:#333}
/* hero */
.hero{background:var(--gray);border-bottom:1px solid var(--line)}
.hero .container{padding-top:54px;padding-bottom:54px}
.hero h1{font-size:34px;color:#1a1a1a;max-width:18ch}
.hero p{color:#555;margin-top:16px;max-width:60ch;font-size:16.5px}
.hero-cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.page-head{border-bottom:1px solid var(--line);padding:40px 0 34px}
.page-head h1{font-size:29px}
.page-head .lead{color:#555;margin-top:14px;max-width:80ch}
.rfq-mini{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}
section.block{padding:50px 0}
section.block.alt{background:var(--gray)}
.sec-h{font-size:23px;margin-bottom:6px}
.sec-p{color:var(--sec);margin-bottom:24px}
/* cards / grid */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.card{border:1px solid var(--line);border-radius:4px;background:#fff;padding:18px;display:flex;flex-direction:column;gap:8px;transition:.15s;position:relative;border-left:3px solid transparent}
.card:hover{border-color:var(--line);border-left-color:var(--red);box-shadow:0 8px 22px rgba(0,0,0,.07)}
.card .c-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.card .c-name{font-weight:700;font-size:16px;color:#1a1a1a}
.card .c-fm{font-size:12.5px;color:var(--red);font-weight:700}
.card .c-cat{font-size:11px;color:#999;text-transform:uppercase;letter-spacing:.04em}
.card .c-desc{font-size:13px;color:#666;flex:1}
.card .c-forms{font-size:12px;color:#777}
.card .c-actions{display:flex;gap:8px;margin-top:6px}
.card .c-actions a{font-size:12.5px;font-weight:600;padding:7px 12px;border-radius:3px;border:1px solid var(--line)}
.card .c-actions .a-view{color:#333}
.card .c-actions .a-view:hover{border-color:var(--red);color:var(--red)}
.card .c-actions .a-rfq{background:var(--red);color:#fff;border-color:var(--red)}
.card .c-actions .a-rfq:hover{background:var(--red-d)}
/* category cards (home) */
.catlist{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.catcard{border:1px solid var(--line);border-radius:4px;padding:22px;border-top:3px solid var(--red);background:#fff;transition:.15s}
.catcard:hover{box-shadow:0 8px 22px rgba(0,0,0,.07)}
.catcard h3{font-size:17px}.catcard p{color:#777;font-size:13px;margin-top:6px}
.catcard .more{display:inline-block;margin-top:12px;color:var(--red);font-weight:600;font-size:13px}
/* chips/list */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13px;border:1px solid var(--line);border-radius:20px;padding:6px 13px;color:#444;background:#fff}
.chip:hover{border-color:var(--red);color:var(--red)}
.keylinks{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.keylinks a{border:1px solid var(--line);border-radius:3px;padding:11px 13px;font-size:13.5px;font-weight:600;color:#333;background:#fff}
.keylinks a:hover{border-color:var(--red);color:var(--red)}
/* layout w/ sidebar */
.layout{display:grid;grid-template-columns:250px 1fr;gap:30px;align-items:start;padding:34px 0 10px}
.sidebar{border:1px solid var(--line);border-radius:4px;overflow:hidden;position:sticky;top:120px}
.sidebar h4{font-size:13px;padding:13px 16px;background:var(--gray);border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.04em;color:#444}
.sidebar a{display:block;padding:9px 16px;font-size:13.5px;color:#444;border-bottom:1px solid var(--gray2)}
.sidebar a:last-child{border-bottom:none}
.sidebar a:hover{background:#fbeaec;color:var(--red)}
.sidebar a.active{color:var(--red);font-weight:700;border-left:3px solid var(--red);padding-left:13px}
.sb-scroll{max-height:none;overflow:visible}
.content h2{font-size:20px;margin:28px 0 10px}
.content h2:first-child{margin-top:0}
.content p{color:#444;margin-bottom:12px}
.content ul{margin:0 0 14px 20px}
.content ul li{margin-bottom:6px;color:#444}
.spec-table{width:100%;border-collapse:collapse;margin:6px 0 16px;font-size:14px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.spec-table th{background:var(--gray);width:34%;font-weight:600}
.forms-list{list-style:none;margin:0 0 14px 0!important;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.forms-list li{margin:0!important}
.forms-list a{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:3px;padding:10px 13px;font-size:13.5px;color:#333}
.forms-list a:hover{border-color:var(--red);color:var(--red)}
.forms-list a span{color:var(--red);font-weight:700}
.related{display:flex;flex-wrap:wrap;gap:8px}
.note{background:var(--gray);border-left:3px solid var(--red);padding:12px 16px;font-size:13.5px;color:#555;margin:14px 0}
/* filter */
.filterbar{margin-bottom:18px}
.filterbar input{width:100%;max-width:380px;border:1px solid var(--line);border-radius:3px;padding:11px 13px;font-size:14px}
.filterbar input:focus{outline:none;border-color:var(--red)}
.count{color:#999;font-size:13px;margin-left:10px}
/* industries / forms / process */
.iblocks,.fblocks{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.iblock,.fblock{border:1px solid var(--line);border-radius:4px;padding:16px 18px;background:#fff;font-weight:600;font-size:14px}
.iblock:hover,.fblock:hover{border-left:3px solid var(--red)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:s}
.step{border:1px solid var(--line);border-radius:4px;padding:18px}
.step .n{width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;font-weight:700;display:grid;place-items:center;margin-bottom:12px}
.step h4{font-size:15px}.step p{font-size:12.5px;color:#777;margin-top:5px}
/* contact form */
.form-wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:34px;align-items:start;padding:34px 0}
.cinfo .ci{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--gray2)}
.cinfo .ci .l{width:74px;color:var(--red);font-weight:700;font-size:12.5px;text-transform:uppercase}
.cinfo .ci .v{font-size:14px}
form.rfq-form{border:1px solid var(--line);border-radius:5px;padding:26px;background:#fff}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:15px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px;font-weight:600;color:#444}
.field label .rq{color:var(--red)}
.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:3px;padding:10px 12px;font-size:14px;font-family:inherit;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red)}
.field textarea{min-height:104px;resize:vertical}
.form-note{font-size:12px;color:#888;margin-top:10px}
/* rfq box */
.rfq-box{background:#1f1f1f;color:#eee}
.rfq-in{display:flex;justify-content:space-between;align-items:center;gap:26px;padding:34px 22px;flex-wrap:wrap}
.rfq-box h2{color:#fff;font-size:22px}
.rfq-box p{color:#bdbdbd;font-size:14px;margin-top:8px;max-width:70ch}
/* footer */
.site-footer{background:#1a1a1a;color:#bbb;padding:46px 0 26px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:26px;border-bottom:1px solid #333}
.foot-brand .brand-en{color:#fff;font-size:18px}.foot-brand .brand-kr{color:#888}
.foot-brand p{margin-top:12px;font-size:13px;line-height:1.6;max-width:34ch}
.foot-col h4{color:#fff;font-size:13px;margin-bottom:12px;text-transform:uppercase;letter-spacing:.05em}
.foot-col a{display:block;color:#bbb;padding:5px 0;font-size:13.5px}
.foot-col a:hover{color:#fff}
.foot-col .fc{display:flex;gap:8px;padding:5px 0;font-size:13px}
.foot-col .fc span:first-child{color:#888;min-width:54px}
.foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:20px;font-size:12.5px;color:#888}
/* gallery */
.gallery{column-count:3;column-gap:12px;margin:6px 0 18px}
.gcell{display:block;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff;margin:0 0 12px;break-inside:avoid;-webkit-column-break-inside:avoid}
.gcell img{width:100%;height:auto;display:block;transition:.2s}
.gcell:hover img{opacity:.9}
.lb{position:fixed;inset:0;background:rgba(0,0,0,.86);z-index:300;display:none;align-items:center;justify-content:center;padding:30px}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:88vh;border-radius:4px}
.lb-x{position:absolute;top:16px;right:24px;color:#fff;font-size:34px;line-height:1;cursor:pointer}
/* responsive */
@media(max-width:1024px){
 .nav-list>li>a{padding:0 8px;font-size:13.5px}
 .nav-cta{margin-left:4px}
 .cards,.catlist,.keylinks,.iblocks,.fblocks{grid-template-columns:repeat(3,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .layout{grid-template-columns:1fr}
 .sidebar{position:static}.sb-scroll{max-height:none}
 .form-wrap{grid-template-columns:1fr}
 .gallery{column-count:2}
}
@media(max-width:900px){
 .gnb{display:none}.hamburger{display:flex}
 .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
 .cards,.cards.c3,.cards.c2,.catlist,.keylinks,.iblocks,.fblocks,.forms-list{grid-template-columns:1fr}
 .frow,.steps{grid-template-columns:1fr}
 .gallery{column-count:1}
 .hero h1{font-size:27px}.foot-grid{grid-template-columns:1fr}
 .topbar-in span:first-child{display:none}
}