:root{
  --navy:#082d63;
  --blue:#0f67b5;
  --sky:#18a4dc;
  --ink:#1f2937;
  --muted:#667085;
  --line:#dbe3ec;
  --soft:#f5f8fc;
  --white:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif;
  color:var(--ink);
  line-height:1.65;
  background:#fff;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
.topbar{
  background:#051a33;color:#dbe8f6;font-size:13px
}
.topbar .container{
  display:flex;justify-content:space-between;gap:18px;padding:8px 0
}
.header{
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)
}
.nav{
  min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px
}
.brand-logo{width:220px;max-height:62px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:28px;font-weight:700}
.nav-links a:hover{color:var(--blue)}
.lang{
  padding:8px 13px;border:1px solid var(--line);border-radius:999px;font-size:13px
}
.menu-btn{display:none;border:0;background:none;font-size:28px;cursor:pointer}
.hero{
  color:#fff;
  background:
    linear-gradient(115deg,rgba(4,26,56,.96),rgba(10,72,131,.86)),
    radial-gradient(circle at 78% 25%,rgba(24,164,220,.8),transparent 28%),
    linear-gradient(135deg,#062852,#0a4d8a);
  padding:108px 0 90px;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:54px;align-items:center}
.eyebrow{
  color:#8fdcff;font-weight:900;letter-spacing:.14em;text-transform:uppercase
}
.hero h1{
  margin:12px 0 18px;font-size:clamp(40px,6vw,72px);line-height:1.08
}
.hero p{font-size:20px;color:#dceafa;max-width:760px}
.hero-card{
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.1);
  border-radius:24px;padding:30px;box-shadow:0 18px 50px rgba(0,0,0,.18)
}
.hero-card strong{display:block;font-size:42px;margin:8px 0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 22px;border-radius:10px;font-weight:800
}
.btn-light{background:#fff;color:var(--navy)}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff}
.section{padding:84px 0}
.section.alt{background:var(--soft)}
.section-head{max-width:760px;margin-bottom:42px}
.kicker{color:var(--blue);font-weight:900;letter-spacing:.1em}
h2{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:8px 0 14px;color:#111827}
.section-head p{font-size:18px;color:var(--muted)}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.about-panel{
  background:linear-gradient(145deg,var(--navy),var(--blue));
  color:#fff;border-radius:24px;padding:38px;min-height:360px;
  display:flex;flex-direction:column;justify-content:flex-end;
  box-shadow:0 18px 45px rgba(8,45,99,.18)
}
.about-panel h3{font-size:34px;line-height:1.25;margin:8px 0 12px}
.about-panel p{color:#dbe9f8}
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
.value{
  border:1px solid var(--line);background:#fff;border-radius:13px;padding:17px;font-weight:800
}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  border:1px solid var(--line);background:#fff;border-radius:18px;padding:28px;
  box-shadow:0 10px 28px rgba(16,45,78,.06)
}
.icon{
  width:52px;height:52px;border-radius:14px;background:#eaf6fc;
  color:var(--blue);display:grid;place-items:center;font-size:24px;margin-bottom:18px
}
.card h3{margin:0 0 10px;color:#111827}
.card p{margin:0;color:var(--muted)}
.capabilities{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.capability{
  border-left:5px solid var(--blue);background:#fff;border-radius:14px;
  padding:25px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)
}
.capability b{color:var(--blue)}
.company-table{
  display:grid;grid-template-columns:170px 1fr;border:1px solid var(--line);
  border-radius:16px;overflow:hidden;background:#fff
}
.company-table div{padding:16px 18px;border-bottom:1px solid var(--line)}
.company-table div:nth-last-child(-n+2){border-bottom:0}
.company-table .label{background:#f1f5f9;font-weight:800;color:#334155}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}
.contact-box{
  background:#07192e;color:#fff;border-radius:22px;padding:34px
}
.contact-box h2{color:#fff}
.contact-box p{color:#c9d7e6}
.contact-list{display:grid;gap:13px;margin-top:24px}
.contact-item{border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:14px}
form{display:grid;gap:14px}
input,textarea{
  width:100%;padding:14px;border:1px solid var(--line);border-radius:10px;font:inherit
}
textarea{min-height:160px;resize:vertical}
.submit{
  border:0;background:var(--navy);color:#fff;padding:14px;border-radius:10px;font-weight:800;cursor:pointer
}
.note{font-size:13px;color:var(--muted)}
.footer{background:#061321;color:#c7d4e2;padding:34px 0}
.footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer strong{color:#fff}
@media(max-width:900px){
  .menu-btn{display:block}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:78px;background:#fff;
    padding:22px 4%;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)
  }
  .nav-links.open{display:flex}
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .capabilities{grid-template-columns:1fr}
  .brand-logo{width:178px;max-height:54px}
  .hero{padding:78px 0 64px}
  .topbar .container{flex-direction:column;gap:2px}
  .company-table{grid-template-columns:120px 1fr}
}

.notice-board{display:grid;gap:20px}
.notice-post{
  display:grid;grid-template-columns:150px 1fr;
  border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;
  box-shadow:0 10px 28px rgba(16,45,78,.06)
}
.notice-date{
  background:linear-gradient(145deg,var(--navy),var(--blue));
  color:#fff;font-weight:900;padding:28px 22px;display:flex;align-items:flex-start;justify-content:center;
  text-align:center
}
.notice-content{padding:28px}
.notice-content h3{margin:8px 0 10px;font-size:25px;color:#111827}
.notice-content p{color:var(--muted)}
.notice-badge{
  display:inline-block;background:#e9f5fc;color:var(--blue);font-weight:900;
  font-size:13px;padding:6px 10px;border-radius:999px
}
.notice-badge.muted{background:#eef2f6;color:#64748b}
.notice-detail{margin:24px 0 0;border-top:1px solid var(--line)}
.notice-detail div{display:grid;grid-template-columns:130px 1fr;border-bottom:1px solid var(--line)}
.notice-detail dt,.notice-detail dd{margin:0;padding:13px 12px}
.notice-detail dt{font-weight:800;background:#f7f9fc}
.notice-post.empty .notice-date{background:#64748b}
.legal-note{
  margin-top:18px;padding:14px 16px;border-radius:12px;background:#fff8e7;
  border:1px solid #f1d794;color:#6b5a22;font-size:14px
}
@media(max-width:700px){
  .notice-post{grid-template-columns:1fr}
  .notice-date{justify-content:flex-start;padding:15px 20px}
  .notice-detail div{grid-template-columns:100px 1fr}
}