:root{
  --bg:#070b14;
  --bg2:#0b1220;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.09);
  --text:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --line:rgba(234,240,255,.14);
  --brand:#7c5cff;
  --brand2:#31d5ff;
  --ok:#3ddc97;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 24px;
  --container: 1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 15% -10%, rgba(124,92,255,.35), transparent 55%),
    radial-gradient(900px 700px at 95% 10%, rgba(49,213,255,.25), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 65%, #050813 100%);
  line-height:1.55;
}
img{max-width:100%; height:auto; display:block}
a{color:inherit}

.container{max-width:var(--container); margin:0 auto; padding:0 20px}

.site-main strong{color:rgba(255,255,255,.92)}

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

.skip-link{
  position:absolute; left:12px; top:12px;
  transform:translateY(-160%);
  background:#ffffff; color:#000;
  padding:10px 12px; border-radius:12px;
  z-index:1000;
}
.skip-link:focus{transform:translateY(0); outline:3px solid var(--brand2)}

.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(1.4) blur(12px);
  background:rgba(7,11,20,.65);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 0}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none}
.brand-mark{
  height:34px;
  width:auto;
  object-fit:contain;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,.35));
}

.nav{display:flex; align-items:center; gap:10px}
.nav-toggle{
  display:none;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  padding:8px 10px;
  border-radius:12px;
}
.nav-menu{list-style:none; display:flex; gap:18px; margin:0; padding:0; align-items:center}
.nav-menu a{opacity:.92; text-decoration:none}
.nav-menu a:hover{opacity:1}
.nav-menu a.is-active{
  opacity:1;
  font-weight:850;
  text-decoration:underline;
  text-underline-offset:6px;
  text-decoration-thickness:2px;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:14px;
  background:linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
  color:#07111d;
  font-weight:700;
  text-decoration:none;
  border:0;
  cursor:pointer;
  box-shadow: 0 12px 40px rgba(124,92,255,.22);
}
.btn:focus{outline:3px solid rgba(49,213,255,.7); outline-offset:2px}
.btn:hover{filter:saturate(1.05); transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-small{padding:10px 12px; border-radius:12px; font-weight:700}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border:1px solid var(--line);
  box-shadow:none;
}
.btn-ghost:hover{background:rgba(255,255,255,.05)}

.site-main{min-height:60vh}

.hero{padding:64px 0 24px}
.hero-grid{display:grid; grid-template-columns: 1.15fr .85fr; gap:32px; align-items:center}
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-weight:700;
  color:rgba(234,240,255,.85);
  padding:6px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
}
h1{
  margin:14px 0 10px;
  font-size: clamp(32px, 5vw, 54px);
  line-height:1.08;
  letter-spacing:-.02em;
}
.lead{color:var(--muted); font-size:clamp(16px, 2.2vw, 18px); margin:0 0 18px}
.hero-cta{display:flex; gap:12px; flex-wrap:wrap; margin:18px 0 18px}
.hero-badges{display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:10px; margin:18px 0 0}
.badge{
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:16px;
  padding:12px 12px;
}
.badge dt{font-weight:800; letter-spacing:.02em}
.badge dd{margin:4px 0 0; color:var(--muted); font-size:13px}

.hero-visual{position:relative}
.visual-card{
  border-radius:var(--radius2);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.04);
  box-shadow: var(--shadow);
}
.visual-card img{aspect-ratio: 4 / 3; object-fit:cover}
.visual-glow{
  position:absolute; inset:-24px;
  background: radial-gradient(500px 300px at 40% 20%, rgba(124,92,255,.35), transparent 60%),
              radial-gradient(420px 280px at 80% 70%, rgba(49,213,255,.22), transparent 62%);
  filter: blur(18px);
  z-index:-1;
}

.section{padding:64px 0}
.section.alt{
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:18px; flex-wrap:wrap; margin-bottom:18px}
.section-head h2{margin:0; font-size: clamp(22px, 3vw, 30px); letter-spacing:-.01em}
.muted{color:var(--muted)}
.fine{font-size:12.5px; line-height:1.45}

.card-grid{display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px}
.card-grid-2{grid-template-columns: repeat(2, minmax(0,1fr))}
.card{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:18px;
  box-shadow: 0 18px 40px rgba(0,0,0,.28);
}
.card h3{margin:0 0 8px; font-size:18px}
.card p{margin:0 0 12px; color:var(--muted)}
.list{margin:0; padding-left:18px; color:rgba(234,240,255,.82)}
.list li{margin:6px 0}

.card-media{padding:16px}
.card-media-top{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.18);
  border-radius:16px;
  padding:14px;
  margin-bottom:14px;
}
.card-media-top.is-logo{
  background:rgba(255,255,255,.92);
  border-color: rgba(255,255,255,.35);
}
.card-media-top img{
  max-height:48px;
  max-width:220px;
  width:auto;
  margin:0 auto;
  object-fit:contain;
}

.card-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px}

.strengths{display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px}
.strength{
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
  border-radius:var(--radius);
  padding:18px;
}
.strength h3{margin:0 0 8px}
.strength p{margin:0; color:var(--muted)}

.breadcrumbs{
  display:flex; gap:10px; align-items:center; flex-wrap:wrap;
  font-size:13px;
  color:rgba(234,240,255,.78);
}
.breadcrumbs a{opacity:.9; text-decoration:none}
.breadcrumbs a:hover{opacity:1}

.page-hero{padding:46px 0 18px}
.page-hero-grid{display:grid; grid-template-columns: 1.1fr .9fr; gap:18px; align-items:center; margin-top:12px}
.page-hero-media .visual-card img{
  aspect-ratio:auto;
  object-fit:contain;
  padding:10px;
  max-height:120px;
  width:auto;
  margin:0 auto;
}

.subnav{
  margin-top:18px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.subnav a{
  text-decoration:none;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  color:rgba(234,240,255,.9);
  font-size:13px;
  opacity:.92;
}
.subnav a:hover{opacity:1; background:rgba(255,255,255,.06)}

.kv{display:grid; gap:10px}
.kv > div{display:grid; grid-template-columns: 120px 1fr; gap:12px; padding:10px 0; border-bottom:1px solid rgba(255,255,255,.10)}
.kv-k{color:rgba(234,240,255,.85); font-weight:750}
.kv-v{color:rgba(234,240,255,.76)}

.timeline{
  list-style:none;
  padding:0;
  margin:0;
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  overflow:hidden;
}
.timeline li{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap:14px;
  padding:12px 14px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.timeline li:last-child{border-bottom:0}
.t-date{font-weight:850; color:rgba(234,240,255,.92)}
.t-desc{color:rgba(234,240,255,.78)}

.history-year{
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  padding:0;
  margin:12px 0;
}
.history-year summary{
  cursor:pointer;
  list-style:none;
  padding:12px 14px;
  font-weight:850;
  color:rgba(234,240,255,.92);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.history-year[open] summary{background:rgba(255,255,255,.04)}
.history-year .timeline{border:0; border-radius:0; background:transparent}
.history-year .timeline li{padding:10px 14px}

.feature-list{display:grid; gap:12px}
.feature{
  display:grid;
  grid-template-columns: 180px 1fr;
  gap:14px;
  align-items:center;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:14px;
}
.feature img{
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.18);
  padding:8px;
}
.feature h3{margin:0 0 6px; font-size:18px}
.feature p{margin:0; color:var(--muted)}

.table-wrap{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.03);
  border-radius:var(--radius);
  overflow:auto;
}
.table{
  width:100%;
  border-collapse:collapse;
  min-width: 520px;
}
.table th, .table td{
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.table thead th{
  position:sticky;
  top:0;
  background:rgba(7,11,20,.92);
  backdrop-filter:saturate(1.4) blur(12px);
  font-weight:850;
  color:rgba(234,240,255,.92);
}
.table td{color:rgba(234,240,255,.78)}
.table tbody tr:last-child td{border-bottom:0}

.media-grid{display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:12px}
.media-grid img, .media-stack img{
  border-radius:16px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.18);
  padding:10px;
}
.media-stack{display:grid; gap:12px}

.download-grid{display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:12px}
.download{
  display:flex;
  flex-direction:column;
  gap:6px;
  text-decoration:none;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:16px;
}
.download:hover{background:rgba(255,255,255,.06)}
.download-title{font-weight:900; letter-spacing:-.01em}
.download-desc{color:var(--muted); font-size:13px}

.metrics-grid{display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:12px; margin-top:12px}
.metric{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:16px;
}
.metric-value{font-size:26px; font-weight:900; letter-spacing:-.02em}
.metric-label{margin-top:6px; color:var(--muted); font-size:13px}
.logo-strip{
  display:flex; gap:18px; align-items:center; justify-content:flex-start;
  margin-top:18px; flex-wrap:wrap;
  opacity:.9;
}
.logo-strip.is-logo{
  padding:10px 12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.92);
  opacity:1;
}
.logo-strip img{
  height:28px;
  max-width:240px;
  width:auto;
  opacity:.92;
  object-fit:contain;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,.25));
}
.logo-strip.is-logo img{
  opacity:1;
}

.visual-card.visual-card-logo{
  background:rgba(255,255,255,.92);
  border-color: rgba(255,255,255,.30);
}

.two-col{display:grid; grid-template-columns: 1.15fr .85fr; gap:14px}
.panel{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:18px;
}
.panel h3{margin:0 0 10px}

.contact-card{
  display:grid; grid-template-columns: 1.15fr .85fr; gap:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius2);
  padding:18px;
}
.contact-form label{display:block; margin-bottom:12px}
.contact-form span{display:block; margin-bottom:6px; color:rgba(234,240,255,.86); font-weight:650}
input, textarea{
  width:100%;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.22);
  color:var(--text);
  padding:12px 12px;
  font: inherit;
}
input::placeholder, textarea::placeholder{color:rgba(234,240,255,.45)}
input:focus, textarea:focus{outline:3px solid rgba(49,213,255,.45); border-color:rgba(49,213,255,.55)}
.contact-actions{display:flex; align-items:center; gap:14px; flex-wrap:wrap}
.contact-aside .link{display:inline-block; padding:10px 12px; border-radius:14px; border:1px solid var(--line); text-decoration:none}
.contact-aside .link:hover{background:rgba(255,255,255,.05)}

.site-footer{
  padding:28px 0;
  border-top:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.18);
}
.footer-inner{display:flex; justify-content:space-between; gap:16px; align-items:center; flex-wrap:wrap}
.footer-links{display:flex; gap:14px; flex-wrap:wrap}
.footer-links a{opacity:.85; text-decoration:none}
.footer-links a:hover{opacity:1}

@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr; gap:18px}
  .hero{padding-top:42px}
  .card-grid{grid-template-columns:1fr}
  .card-grid-2{grid-template-columns:1fr}
  .strengths{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
  .two-col{grid-template-columns:1fr}
  .contact-card{grid-template-columns:1fr}
  .nav-toggle{display:inline-flex}
  .page-hero-grid{grid-template-columns:1fr}
  .feature{grid-template-columns:1fr}
  .download-grid{grid-template-columns:1fr}
  .media-grid{grid-template-columns:1fr}
  .kv > div{grid-template-columns: 1fr}
  .nav-menu{
    display:none;
    position:absolute;
    right:20px;
    top:62px;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding:12px;
    border-radius:16px;
    background:rgba(7,11,20,.92);
    border:1px solid rgba(255,255,255,.14);
    min-width: 220px;
  }
  .nav-menu.open{display:flex}
  .nav{position:relative}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .btn:hover{transform:none}
}