:root{
  --bg:#0b1222;
  --panel:#0f1728;
  --line:rgba(148,163,184,.18);
  --text:#eaf2ff;
  --muted:#a7b6d8;

  --accent:#3f82e0;
  --good:#22c55e;
  --warn:#f59e0b;

  --radius:18px;
  --shadow:0 14px 40px rgba(0,0,0,.22);

  --font:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Noto Sans,Apple SD Gothic Neo,"맑은 고딕","Malgun Gothic",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --t-fast:.14s; --t-norm:.22s;

  --section-pad:46px;
  --card-pad:18px;
  --grid-gap:14px;

  --grad:
    radial-gradient(980px 620px at 78% -10%, rgba(63,130,224,.35), transparent 62%),
    radial-gradient(820px 520px at 0% 0%, rgba(34,197,94,.18), transparent 62%),
    radial-gradient(560px 360px at 100% 30%, rgba(245,158,11,.10), transparent 60%);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:15px;
  text-rendering:optimizeLegibility;
}
a{color:inherit}
b,strong{font-weight:950}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

.section{padding:var(--section-pad) 0}
@media (max-width: 980px){
  :root{ --section-pad:36px; --card-pad:16px; --grid-gap:12px; }
}

header{
  position:sticky; top:0; z-index:60;
  backdrop-filter:saturate(140%) blur(12px);
  background:color-mix(in oklab, var(--bg) 86%, black 14%);
  border-bottom:1px solid var(--line);
}
.bar{height:68px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:1000;letter-spacing:.2px}
.brand img{width:26px;height:26px}

.card{
  background:linear-gradient(180deg, rgba(16,26,44,.90), rgba(15,23,40,.72));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:var(--card-pad);
  box-shadow:var(--shadow);
}
.card.soft{box-shadow:none;background:rgba(2,6,23,.16)}
.stack{display:flex;flex-direction:column;gap:14px}
.muted{color:var(--muted)}

.h1{font-size:34px;line-height:1.14;margin:0;font-weight:1000;letter-spacing:-.2px}
.h2{font-size:20px;margin:0;font-weight:1000;letter-spacing:-.1px}
.h3{font-size:16px;margin:0;font-weight:1000}
.lead{
  background:linear-gradient(90deg,#8cc0ff,#22c55e);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 24px rgba(127,180,255,.10);
}
.hr{height:1px;background:var(--line);margin:12px 0}

.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:14px;border:1px solid var(--line);
  background:rgba(15,23,40,.85); color:#d7e6ff;
  text-decoration:none; cursor:pointer; font-weight:950;
  transition:transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
  white-space:nowrap;
}
.btn:hover{
  transform:translateY(-1px);
  box-shadow:0 18px 44px rgba(63,130,224,.12);
  border-color:color-mix(in oklab, var(--accent) 35%, var(--line) 65%);
}
.btn.primary{
  background:linear-gradient(90deg,var(--accent),var(--good));
  border-color:transparent;color:#fff;
  box-shadow:0 18px 44px rgba(34,197,94,.10), 0 12px 24px rgba(63,130,224,.10);
}
.btn.primary:hover{box-shadow:0 22px 60px rgba(34,197,94,.12), 0 14px 28px rgba(63,130,224,.12)}
.btn.ghost{background:transparent}
.btn.small{padding:8px 11px;border-radius:12px;font-size:13px}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 11px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(148,163,184,.08);
  font-size:13px;color:var(--text);
}
.badge.ok{background:linear-gradient(90deg, rgba(34,197,94,.15), rgba(63,130,224,.10));border-color:rgba(34,197,94,.20)}
.badge.warn{background:rgba(245,158,11,.10);border-color:rgba(245,158,11,.18)}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 11px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(63,130,224,.10);
  color:#cfe0ff;font-size:13px
}

.hero{background:var(--grad)}
.heroGrid{display:grid;grid-template-columns:1.12fr .88fr;gap:var(--grid-gap);align-items:stretch}
@media (max-width: 980px){ .heroGrid{grid-template-columns:1fr} }
.heroTop{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}

.note{
  padding:12px 14px;
  border-radius:16px;
  border:1px dashed var(--line);
  background:rgba(2,6,23,.18);
  color:var(--muted);
  font-size:13.5px;
}
.note.callout{
  border-style:solid;
  border-color:rgba(34,197,94,.22);
  background:linear-gradient(90deg, rgba(34,197,94,.10), rgba(63,130,224,.10));
}
.note.warn{
  border-style:solid;
  border-color:rgba(245,158,11,.18);
  background:rgba(245,158,11,.07);
}

.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--grid-gap)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap)}
@media (max-width: 980px){ .grid2,.grid3{grid-template-columns:1fr} }

.case{
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
  background:linear-gradient(180deg, rgba(63,130,224,.06), rgba(34,197,94,.05));
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.caseTop{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}
.quote{
  margin-top:12px;
  padding:12px 14px;
  border-radius:16px;
  border:1px solid rgba(148,163,184,.18);
  background:rgba(2,6,23,.12);
  color:#d7e6ff;
  font-size:14px;
}
ul.list{margin:12px 0 0; padding-left:18px; color:var(--muted); font-size:14px}
ul.list li{margin:6px 0}

footer{border-top:1px solid var(--line); padding:28px 0 52px}
.fine{color:var(--muted);font-size:13px}
.fine a{color:var(--muted);text-decoration:none}
.fine a:hover{color:var(--text);text-decoration:underline}

.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{position:fixed;left:12px;top:12px;width:auto;height:auto;padding:8px 12px;background:#111827;color:#fff;border-radius:10px;z-index:9999}