:root{
  --ink:#15161a;
  --muted:#5c6070;
  --line:#e3e5ec;
  --bg:#ffffff;
  --soft:#f6f7fa;
  --accent:#2f3b57;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:16px/1.75 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Noto Sans KR",Segoe UI,Roboto,sans-serif;
  word-break:keep-all;
}
.wrap{max-width:720px;margin:0 auto;padding:0 24px}

.hero{
  background:var(--soft);
  border-bottom:1px solid var(--line);
  padding:72px 0 56px;
}
.eyebrow{
  margin:0 0 8px;
  font-size:13px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
}
.hero h1{
  margin:0 0 14px;
  font-size:40px;
  line-height:1.25;
  letter-spacing:-.02em;
}
.lede{margin:0;font-size:18px;color:var(--muted)}

main{padding:8px 0 24px}
section{padding:40px 0;border-bottom:1px solid var(--line)}
section:last-child{border-bottom:0}
h2{font-size:15px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 20px;font-weight:600}
h3{font-size:21px;margin:0 0 6px;letter-spacing:-.01em}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}

.card{
  border:1px solid var(--line);
  border-radius:12px;
  padding:22px;
  margin-bottom:16px;
  background:var(--bg);
}
.card:last-child{margin-bottom:0}
.tag{font-size:13px;color:var(--muted);margin:0 0 12px}
.meta{font-size:13px;color:var(--muted);margin-top:12px}
.downloads{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.download-button{
  display:inline-block;
  border:1px solid var(--accent);
  border-radius:9px;
  padding:9px 13px;
  background:var(--accent);
  color:var(--bg);
  font-size:14px;
  font-weight:600;
  line-height:1.4;
  text-decoration:none;
}
.download-button.secondary{background:transparent;color:var(--accent)}
.checksum{margin-top:12px;font-size:12px;color:var(--muted);word-break:break-all}
.checksum code{font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

.contact a{color:var(--accent)}
.biz{display:grid;grid-template-columns:150px 1fr;gap:10px 20px;margin:0;font-size:15px}
.biz dt{color:var(--muted)}
.biz dd{margin:0}

footer{background:var(--soft);border-top:1px solid var(--line);padding:32px 0;margin-top:16px}
footer nav{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:14px}
footer a{color:var(--accent);font-size:14px}
.copy{font-size:13px;color:var(--muted);margin:0}

a{color:inherit}
a:hover{opacity:.75}

@media (max-width:560px){
  .hero{padding:52px 0 40px}
  .hero h1{font-size:32px}
  .lede{font-size:17px}
  .biz{grid-template-columns:1fr;gap:2px 0}
  .biz dd{margin-bottom:12px}
  .download-button{width:100%;text-align:center}
}

@media (prefers-color-scheme:dark){
  :root{
    --ink:#e9eaf0;--muted:#9aa0b4;--line:#2a2d38;
    --bg:#111318;--soft:#171a21;--accent:#a8bce4;
  }
}