:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --link:#111827;
  --chip:#f3f4f6;
  --max: 980px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:var(--link); text-decoration:underline; text-underline-offset:3px}
a:hover{opacity:.85}

.wrap{max-width:var(--max); margin:0 auto; padding:32px 18px}
.header{
  display:flex; align-items:center; justify-content:space-between;
  padding-bottom:18px; border-bottom:1px solid var(--line);
}
.brand{font-weight:700; letter-spacing:.2px}
.lang a{margin-left:10px; font-size:14px; color:var(--muted); text-decoration:none}
.lang a.active{color:var(--text); text-decoration:underline}

.hero{padding:34px 0 18px}
.h1{font-size:34px; line-height:1.15; margin:0 0 10px}
.sub{margin:0; color:var(--muted); max-width:70ch}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
  padding:18px 0 8px;
}
.card{
  grid-column: span 6;
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px;
  background:#fff;
}
.card h2{font-size:16px; margin:0 0 6px}
.card p{margin:0; color:var(--muted)}

.section{padding:18px 0}
.section h2{font-size:16px; margin:0 0 10px}
.list{margin:0; padding-left:18px; color:var(--text)}
.list li{margin:6px 0}

.kv{
  display:grid;
  grid-template-columns: 180px 1fr;
  gap:8px 14px;
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px;
}
.kv div{padding:2px 0}
.k{color:var(--muted)}
.v{color:var(--text); word-break:break-word}

.footer{
  margin-top:28px;
  padding-top:16px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
}

.chip{
  display:inline-block;
  background:var(--chip);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 10px;
  font-size:13px;
  color:var(--muted);
}

@media (max-width: 740px){
  .h1{font-size:28px}
  .card{grid-column: span 12}
  .kv{grid-template-columns: 1fr}
}

.brand-link{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}

.logo{
  height:36px;
  width:auto;
  display:block;
}

.brand-text{
  font-weight:700;
  font-size:18px;
  letter-spacing:0.2px;
  color:var(--text);
}