:root{
  --bg:#ffffff;
  --text:#0b0f14;
  --muted:#667085;
  --line:#e6e8ec;
  --card:#f7f8fa;
  --link:#0b5fff;
  --max:1100px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{
  max-width:var(--max);
  padding:34px 22px 56px;
  margin:0 auto;
}

header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}

.brand{
  font-weight:700;
  letter-spacing:.2px;
}

.topnav{
  display:flex;
  align-items:center;
  gap:14px;
}
.topnav a{
  color:var(--muted);
  font-weight:500;
}
.topnav a:hover{color:var(--text)}

.lang a{
  color:var(--muted);
  margin-left:10px;
}
.lang a.active{color:var(--text);font-weight:600}

.hero{
  text-align:center;
  padding:44px 0 28px;
  background:transparent;
  border:none;
  border-radius:0;
  margin:0 0 10px;
}

.hero h1{
  margin:0;
  font-size:64px;
  line-height:1.05;
  letter-spacing:-0.8px;
}
.hero p{margin:0}
.hero .subtitle{
  margin:16px auto 0;
  max-width:780px;
  color:var(--muted);
  font-size:18px;
}

.store-buttons{
  display:flex;
  justify-content:center;
  gap:12px;
  margin-top:20px;
  flex-wrap:wrap;
}
.store-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 16px;
  border-radius:10px;
  background:#0b0f14;
  color:#fff;
  font-weight:600;
}
.store-btn.secondary{background:#111827}
.store-btn:hover{text-decoration:none;opacity:.95}

.features{
  margin-top:26px;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:18px;
}
.feature{
  border-radius:22px;
  background:#f4f7fb;
  padding:18px 18px 22px;
  min-height:240px;
  border:1px solid rgba(230,232,236,.8);
}
.feature .tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:#0f766e;
  background:rgba(16,185,129,.12);
  border:1px solid rgba(16,185,129,.22);
}
.feature h3{
  margin:12px 0 0;
  font-size:18px;
  line-height:1.2;
}
.feature p{
  margin:10px 0 0;
  color:var(--muted);
  font-size:14px;
}

.section{
  padding-top:18px;
  margin-top:18px;
  border-top:1px solid var(--line);
}
.section h2{
  margin:0 0 8px;
  font-size:18px;
}
.section .muted{color:var(--muted)}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--text);
}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:12px;
}

.details{
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 14px;
  background:#fff;
  margin-top:10px;
}
.details summary{
  cursor:pointer;
  color:var(--text);
  font-weight:600;
}
.details p, .details li{color:var(--text)}
.details .muted{color:var(--muted)}

.links{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:0;
  margin:18px 0 0;
  list-style:none;
}
.links li{
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:12px;
}
.links small{color:var(--muted)}

main h2{
  margin:22px 0 10px;
  font-size:18px;
}
main p, main li{color:var(--text)}
main .muted{color:var(--muted)}

footer{
  margin-top:40px;
  padding-top:18px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:14px;
}

code{background:#f2f4f7;padding:2px 6px;border-radius:6px}

@media (max-width:980px){
  .features{grid-template-columns:repeat(2, 1fr)}
}
@media (max-width:680px){
  header{flex-direction:column;align-items:flex-start}
  .topnav{flex-wrap:wrap}
  .hero{padding:28px 0 20px}
  .hero h1{font-size:42px}
  .hero .subtitle{font-size:16px}
  .features{grid-template-columns:1fr}
}