*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"Noto Sans KR",Arial,sans-serif;color:#142033;background:#fff;line-height:1.65}
:root{--navy:#061321;--navy2:#0a1b30;--blue:#2672df;--sky:#78b8ff;--muted:#6d7b8f;--line:#e4e9f0;--paper:#f4f7fa}
.container{width:min(1180px,calc(100% - 42px));margin:auto}
header{height:78px;position:sticky;top:0;z-index:100;background:rgba(5,17,31,.96);backdrop-filter:blur(15px);border-bottom:1px solid #ffffff17}
.head{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{
display:block;
width:350px;
height:52px;
flex:0 0 auto;
text-decoration:none;
font-size:0;
color:transparent;
background:url('/assets/company-logo.png') left center/contain no-repeat;
}.nav{display:flex;align-items:center;gap:25px}.nav a{color:#dce5f1;text-decoration:none;font-size:12px;font-weight:800;letter-spacing:.04em}.nav a:hover{color:var(--sky)}.nav .cta{padding:9px 15px;border:1px solid #ffffff55;border-radius:30px}
.hero{min-height:650px;display:flex;align-items:center;color:#fff;position:relative;background-color:#071525;background-image:linear-gradient(90deg,#061323f8 0%,#07182cdb 46%,#07182c66 100%),url('/assets/corporate-visual.png');background-size:cover;background-position:left top}
.home .hero{min-height:760px}.hero .inner{max-width:790px}.eyebrow,.kicker{font-size:12px;font-weight:900;letter-spacing:.2em;color:var(--sky)}.hero h1{font-size:clamp(46px,6vw,78px);line-height:1.07;letter-spacing:-.05em;margin:20px 0 25px}.hero p{font-size:18px;color:#d5dfeb;max-width:690px}.buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;padding:14px 21px;text-decoration:none;font-size:14px;font-weight:850}.white{background:#fff;color:#0b1a2d}.line{border:1px solid #ffffff66;color:#fff}
section{padding:100px 0}.paper{background:var(--paper)}.dark{background:#071729;color:#fff}.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:85px;align-items:start}.title{font-size:clamp(34px,4vw,52px);line-height:1.17;letter-spacing:-.045em;margin:16px 0}.lead{font-size:18px;color:#536176}.muted{color:#718095}
.visual{border-radius:3px;overflow:hidden;box-shadow:0 24px 65px #132b4a18}.visual img{width:100%;display:block}.crop{height:420px;object-fit:cover}.crop.city{object-position:0 0}.crop.office{object-position:100% 0}.crop.server{object-position:0 100%}.crop.sign{object-position:100% 100%}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);padding:31px;min-height:270px}.card small{font-weight:900;color:#2e73db;letter-spacing:.12em}.card h3{font-size:23px;margin:70px 0 10px}.card p{font-size:14px;color:#718095}
.menu-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.menu-card{background:#fff;border:1px solid var(--line);padding:34px;text-decoration:none;color:#142033;transition:.2s}.menu-card:hover{transform:translateY(-4px);box-shadow:0 18px 45px #14284412}.menu-card b{display:block;font-size:24px;margin:32px 0 7px}.menu-card span{color:#718095}
.values{display:grid;grid-template-columns:repeat(3,1fr);margin-top:45px;border-top:1px solid #ffffff22;border-bottom:1px solid #ffffff22}.value{padding:28px}.value+.value{border-left:1px solid #ffffff22}.value b{display:block;font-size:20px}.value span{font-size:12px;color:#aab7c8}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.feature.reverse .visual{order:2}.feature.reverse .text{order:1}
.docgrid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}.doc{background:#fff;border:1px solid var(--line);padding:25px}.document-frame{background:#e9eef5;padding:26px}.paper-sheet{background:#fff;min-height:570px;padding:46px 42px;box-shadow:0 12px 30px #20344e20;position:relative}.paper-sheet:before{content:"SAMPLE DOCUMENT AREA";position:absolute;right:25px;top:25px;font-size:10px;letter-spacing:.16em;color:#a4afbd}.paper-sheet h4{font-size:24px;text-align:center;margin:50px 0 35px}.paper-sheet .fake-line{height:8px;background:#e8edf3;margin:15px 0;border-radius:5px}.paper-sheet .fake-line.short{width:65%}.paper-sheet .seal{width:78px;height:78px;border:3px solid #c8d1dc;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:60px 0 0 auto;color:#9aa7b6;font-size:11px;font-weight:800}
.warning{background:#fff8e8;border:1px solid #f0dfad;padding:16px 18px;font-size:13px;color:#735d27;margin-top:16px}
.info{display:grid;grid-template-columns:170px 1fr;border-top:1px solid var(--line)}.info div{padding:14px 0;border-bottom:1px solid var(--line)}.info div:nth-child(odd){font-weight:850}
.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:22px}.contact-card{border:1px solid var(--line);padding:32px;background:#fff}.contact-card h3{font-size:22px}
footer{background:#05121f;color:#8d9eb3;padding:48px 0 35px;font-size:12px}.foot{display:flex;justify-content:space-between;gap:30px}.foot b{color:#fff;font-size:18px}
@media(max-width:850px){.nav a:not(.cta){display:none}.split,.feature,.docgrid,.contact-panel{grid-template-columns:1fr;gap:35px}.feature.reverse .visual,.feature.reverse .text{order:initial}.cards,.menu-cards,.values{grid-template-columns:1fr}.value+.value{border-left:0;border-top:1px solid #ffffff22}.hero{min-height:590px}.crop{height:300px}.foot{display:block}.paper-sheet{min-height:470px;padding:30px 24px}}
.bhkr-chat-launcher{position:fixed;right:22px;bottom:22px;z-index:9998;border:0;cursor:pointer;background:#245eea;color:#fff;border-radius:999px;padding:14px 18px;font-weight:800;box-shadow:0 12px 30px #245eea44}.bhkr-chat-panel{position:fixed;right:22px;bottom:82px;z-index:9999;width:min(390px,calc(100vw - 28px));height:min(610px,calc(100vh - 110px));background:#fff;border:1px solid #dfe7f5;border-radius:20px;box-shadow:0 22px 60px #14264838;overflow:hidden;display:none;flex-direction:column}.bhkr-chat-panel.open{display:flex}.bhkr-chat-head{background:#245eea;color:#fff;padding:17px 18px;display:flex;justify-content:space-between}.bhkr-chat-close{border:0;background:transparent;color:#fff;font-size:24px}.bhkr-chat-start{padding:20px;display:flex;flex-direction:column;gap:11px}.bhkr-chat-start input,.bhkr-chat-start textarea,.bhkr-chat-compose textarea{width:100%;border:1px solid #dce4f1;border-radius:10px;padding:12px}.bhkr-chat-start textarea{min-height:100px}.bhkr-chat-start button,.bhkr-chat-send{border:0;border-radius:10px;background:#245eea;color:#fff;font-weight:800;padding:12px}.bhkr-chat-room{display:none;min-height:0;flex:1;flex-direction:column;overflow:hidden}.bhkr-chat-room.active{display:flex}.bhkr-chat-messages{height:360px;min-height:360px;max-height:360px;overflow-y:auto;background:#f6f8fc;padding:16px}.bhkr-msg{max-width:82%;margin:7px 0;padding:10px 12px;border-radius:13px;font-size:13px;white-space:pre-wrap}.bhkr-msg.customer{margin-left:auto;background:#245eea;color:#fff}.bhkr-msg.admin{background:#fff;border:1px solid #e1e7f0}.bhkr-msg-time{display:block;font-size:10px;opacity:.65}.bhkr-chat-compose{display:flex;gap:8px;padding:11px;border-top:1px solid #e5eaf2}.bhkr-chat-send{width:70px}.bhkr-chat-status{padding:8px 14px;font-size:11px;color:#66758d;border-bottom:1px solid #edf0f5}
/* ===== Header company logo ===== */
@media(max-width:1050px){
.brand{width:290px;height:48px}
.nav{gap:17px}
}
@media(max-width:850px){
header{height:72px}
.brand{width:235px;height:42px}
}
@media(max-width:520px){
.container{width:min(100% - 26px,1180px)}
.brand{width:205px;height:38px}
.nav .cta{padding:8px 12px;font-size:11px}
}
/* ===== CONTACT redesign - current site layout preserved ===== */
.contact-redesign{
position:relative;
overflow:hidden;
padding:82px 0 92px;
color:#fff;
background:
radial-gradient(circle at 12% 80%,rgba(38,114,223,.38),transparent 31%),
radial-gradient(circle at 88% 20%,rgba(73,169,255,.20),transparent 32%),
linear-gradient(135deg,#061321 0%,#09254b 56%,#07192d 100%);
}
.contact-redesign:before{
content:"";
position:absolute;inset:auto -8% -150px -8%;
height:290px;
opacity:.38;
background:
radial-gradient(ellipse at center,rgba(79,171,255,.30) 0,rgba(79,171,255,.10) 25%,transparent 67%);
border-top:1px solid rgba(113,187,255,.34);
transform:rotate(-3deg);
}
.contact-layout{position:relative;z-index:1;display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:center}
.contact-copy .kicker{color:#5ebcff}
.contact-copy h2{font-size:clamp(40px,5vw,66px);line-height:1.08;margin:12px 0 22px;letter-spacing:-.045em}
.contact-copy p{max-width:520px;font-size:17px;color:#c8d6e7}
.contact-security{
border:1px solid rgba(82,170,255,.64);
background:linear-gradient(145deg,rgba(15,54,100,.78),rgba(5,24,47,.78));
box-shadow:0 24px 70px rgba(0,0,0,.24),inset 0 0 40px rgba(31,120,223,.09);
border-radius:22px;
padding:36px 38px;
backdrop-filter:blur(8px);
}
.contact-security-top{display:flex;gap:18px;align-items:flex-start}
.security-badge{
width:62px;height:62px;border-radius:18px;display:grid;place-items:center;flex:0 0 auto;
border:1px solid rgba(105,191,255,.55);
background:rgba(25,121,219,.17);
font-size:28px
}
.contact-security h3{font-size:clamp(24px,3vw,36px);line-height:1.25;margin:0 0 12px}
.contact-security p{margin:0;color:#cbd9e8;font-size:16px;white-space:pre-line}
.contact-actions{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.contact-action{
min-height:62px;border-radius:12px;padding:16px 18px;
display:flex;align-items:center;justify-content:center;gap:10px;
font:inherit;font-size:16px;font-weight:900;text-decoration:none;cursor:pointer;
transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease
}
.contact-action:hover{transform:translateY(-2px)}
.contact-action.telegram{
color:#fff;border:1px solid #2eb8ff;
background:linear-gradient(135deg,#10b9f2,#175bd9);
box-shadow:0 12px 28px rgba(18,113,224,.32)
}
.contact-action.live{
color:#eaf6ff;border:1px solid #5dc8ff;background:rgba(25,83,143,.42)
}
.contact-note{margin-top:18px!important;font-size:13px!important;color:#90a7bf!important}
/* ===== CERTIFICATION company info redesign ===== */
.cert-redesign{
padding:86px 0;
color:#fff;
background:
radial-gradient(circle at 15% 10%,rgba(46,126,230,.22),transparent 32%),
linear-gradient(135deg,#061321,#082246 68%,#061524);
}
.cert-layout{display:grid;grid-template-columns:1fr 1.08fr;gap:44px;align-items:center}
.cert-visual{
border:1px solid rgba(88,164,247,.48);border-radius:18px;overflow:hidden;
box-shadow:0 26px 70px rgba(0,0,0,.25)
}
.cert-visual img{width:100%;height:440px;object-fit:cover;display:block}
.cert-copy .kicker{color:#58b2ff}
.cert-copy .title{color:#fff;margin-top:8px}
.cert-copy>.lead{color:#c4d2e2}
.cert-info-card{
margin-top:28px;border-radius:18px;padding:24px 26px;
border:1px solid rgba(95,177,255,.56);
background:linear-gradient(145deg,rgba(17,57,102,.82),rgba(6,27,52,.78));
box-shadow:inset 0 0 32px rgba(50,131,225,.08)
}
.cert-info-row{
display:grid;grid-template-columns:150px 1fr;gap:18px;
padding:12px 0;border-bottom:1px solid rgba(255,255,255,.10)
}
.cert-info-row:last-child{border-bottom:0}
.cert-info-row b{color:#a9c8e8}
.cert-info-row span{color:#fff}
.business-inquiry{
margin-top:24px;padding:24px;border-radius:18px;
border:1px solid rgba(78,165,255,.42);
background:rgba(255,255,255,.07);
display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center
}
.business-inquiry h3{font-size:24px;margin:0 0 8px}
.business-inquiry p{color:#c8d6e6;margin:0;white-space:pre-line}
.business-inquiry .contact-action{min-width:245px}
.cert-doc-section{background:#f4f7fa}
.cert-doc-section .document-holder{
background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;
box-shadow:0 18px 45px rgba(20,40,68,.08)
}
.cert-doc-section .document-holder img{
width:100%;max-height:760px;display:block;object-fit:contain;background:#fff
}
@media(max-width:850px){
.contact-layout,.cert-layout{grid-template-columns:1fr;gap:34px}
.contact-actions{grid-template-columns:1fr}
.contact-security{padding:26px 22px}
.cert-visual img{height:320px}
.business-inquiry{grid-template-columns:1fr}
.business-inquiry .contact-action{min-width:0;width:100%}
.cert-info-row{grid-template-columns:1fr;gap:4px}
}