:root{
  --key:#0A395C; --key-deep:#062A45; --key2:#0D4670; --dot:#7FD1F2;
  --surface:#E2DCD5; --slate:#857666; --muted:#83786D; --line:#EBE8E5;
  --char:#262B40; --ink:#2A2623;
  --sans:'Pretendard Variable',Pretendard,'Malgun Gothic',-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.75;
  word-break:keep-all;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}

/* header */
header.site{position:fixed;top:0;left:0;right:0;z-index:100;transition:.25s;border-bottom:1px solid transparent}
header.site .bar{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo img{height:30px}
.logo .lg-navy{display:none}
nav.main{display:flex;align-items:center;gap:4px}
nav.main a{font-size:14.5px;font-weight:600;color:rgba(255,255,255,.85);padding:9px 14px;border-radius:6px;transition:.15s}
nav.main a:hover{background:rgba(255,255,255,.12)}
nav.main a.on{color:var(--dot)}
nav.main a.lang{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--dot);margin-left:10px}
header.site.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-color:var(--line);box-shadow:0 4px 20px rgba(10,57,92,.07)}
header.site.scrolled nav.main a{color:var(--ink)}
header.site.scrolled nav.main a:hover{background:var(--surface)}
header.site.scrolled nav.main a.on{color:var(--key);font-weight:800}
header.site.scrolled nav.main a.lang{color:var(--key)}
header.site.scrolled .logo .lg-white{display:none}
header.site.scrolled .logo .lg-navy{display:block}

/* hero (index) */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;
  background:linear-gradient(155deg,var(--key-deep),var(--key) 60%,var(--key2))}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.hero .shade{position:absolute;inset:0;
  background:linear-gradient(to top, rgba(6,42,69,.94) 8%, rgba(6,42,69,.55) 45%, rgba(6,42,69,.25))}
.hero .grid{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(127,209,242,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(127,209,242,.05) 1px,transparent 1px);background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 70% 20%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 80% 70% at 70% 20%,#000 20%,transparent 78%)}
.hero .inner{position:relative;z-index:2;padding:150px 28px 84px;width:100%}
.kicker{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.28em;
  text-transform:uppercase;color:var(--dot)}
.hero h1{margin-top:20px;font-size:clamp(32px,4.8vw,58px);font-weight:800;letter-spacing:-.02em;line-height:1.3}
.hero .sub{margin-top:22px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px}
.hero .rule{width:64px;height:3px;background:var(--dot);margin-top:34px}
.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.55)}
.scroll-hint span{font-family:var(--mono);font-size:9.5px;letter-spacing:.3em}
.scroll-hint i{display:block;width:1px;height:34px;background:rgba(127,209,242,.6);
  animation:sh 1.8s ease-in-out infinite;transform-origin:top}
@keyframes sh{0%{transform:scaleY(0)}45%{transform:scaleY(1)}100%{transform:scaleY(0);transform-origin:bottom}}
@media(prefers-reduced-motion:reduce){.scroll-hint i{animation:none}}

/* page hero (sub pages) */
.phero{position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(155deg,var(--key-deep),var(--key) 60%,var(--key2))}
.phero .grid{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(127,209,242,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(127,209,242,.05) 1px,transparent 1px);background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 70% 10%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 80% 70% at 70% 10%,#000 20%,transparent 78%)}
.phero .inner{position:relative;z-index:2;padding:158px 28px 66px}
.phero h1{margin-top:16px;font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:-.015em}
.phero p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15.5px}

/* sections */
section.block{padding:clamp(72px,9vw,130px) 0}
section.block.soft{background:var(--surface)}
.shead .eng{font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-.01em;color:var(--key);line-height:1.15}
.shead .kor{margin-top:10px;font-size:15px;color:var(--muted)}
.sec-desc{margin-top:18px;font-size:15px;color:var(--muted);max-width:640px}
.loc-tag{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--slate);margin-bottom:2px}
.grid2{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(28px,4vw,56px);margin-top:52px;align-items:stretch}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}
.lead-p{font-size:15.5px;line-height:1.95;color:var(--ink)}
.photo{border-radius:14px;overflow:hidden;box-shadow:0 20px 50px rgba(10,57,92,.18);height:100%}
.photo img{width:100%;height:100%;object-fit:cover}
.grid2 > .rv.d1{display:flex}
.grid2 > .rv.d1 .photo{flex:1}

/* fact table */
.fact{margin-top:34px;border-top:2px solid var(--key)}
.fact table{width:100%;border-collapse:collapse;font-size:14.5px}
.fact td{padding:14px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.fact td:first-child{width:118px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--slate);padding-top:17px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:52px}
.card{background:#fff;border:1px solid rgba(133,118,102,.25);
  border-radius:10px;padding:30px 26px}
.card .en{font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.2em;color:var(--slate)}
.card b.t{display:block;font-size:18px;color:var(--key);margin:10px 0 8px}
.card p{font-size:14px;color:var(--muted);line-height:1.7}
section.block:not(.soft) .card{border:1px solid var(--line);background:#fff}

/* location */
.loc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:52px}
.loc{border:1px solid var(--line);border-radius:10px;padding:26px 24px;background:#fff}
.loc .badge{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--slate)}
.loc h3{font-size:18px;margin:10px 0 8px;color:var(--key)}
.loc p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* notice */
.notice-list{margin-top:8px;border-top:2px solid var(--key)}
.notice-item{display:flex;justify-content:space-between;gap:18px;padding:20px 6px;
  border-bottom:1px solid var(--line);font-size:15.5px}
.notice-item .t{font-weight:600}
.notice-item .d{font-family:var(--mono);font-size:12.5px;color:var(--slate);white-space:nowrap;padding-top:3px}
.notice-empty{padding:70px 20px;text-align:center;color:var(--muted);font-size:15px;border-bottom:1px solid var(--line)}
details.nt{border-bottom:1px solid var(--line)}
details.nt summary{display:flex;justify-content:space-between;gap:18px;padding:20px 6px;
  font-size:15.5px;cursor:pointer;list-style:none}
details.nt summary::-webkit-details-marker{display:none}
details.nt summary .t{font-weight:600}
details.nt summary .d{font-family:var(--mono);font-size:12.5px;color:var(--slate);white-space:nowrap;padding-top:3px}
details.nt[open] summary .t{color:var(--key)}
details.nt .nbody{padding:6px 6px 30px;font-size:14.5px;line-height:1.9;color:var(--ink);white-space:pre-line;max-width:760px}

/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:44px}

/* footer */
footer.site{background:var(--char);color:#9aa3b8;padding:64px 0 40px;font-size:13.5px}
footer.site .top{display:grid;grid-template-columns:1.2fr 1fr 1fr .8fr;gap:36px}
@media(max-width:900px){footer.site .top{grid-template-columns:1fr}}
footer.site img.flogo{height:28px;margin-bottom:16px}
footer.site h4{color:#fff;font-size:12.5px;margin-bottom:12px;letter-spacing:.06em}
footer.site li{list-style:none;margin-bottom:8px;line-height:1.6}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#6d7690}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease-out,transform .6s ease-out}
.rv.on{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){.rv{opacity:1!important;transform:none!important;transition:none!important}}