:root{
  --bg:#0b1220;
  --bg2:#111827;
  --card:#172033;
  --text:#f8fafc;
  --muted:#cbd5e1;
  --line:#253047;
  --accent:#22c55e;
  --accent-dark:#16a34a;
  --soft:#94a3b8;
}

*{box-sizing:border-box}

body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  line-height:1.7;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg),var(--bg2));
  padding:32px 16px;
}

a{
  color:inherit;
  text-decoration:none;
}

.container{
  max-width:1120px;
  margin:0 auto;
}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin-bottom:18px;
  flex-wrap:wrap;
}

.back{
  color:var(--muted);
  font-weight:700;
}

.back:hover{
  color:white;
}

.hero{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:24px;
  align-items:stretch;
}

.panel{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:24px;
  padding:28px;
  box-shadow:0 20px 50px rgba(0,0,0,0.25);
}

.brand{
  display:flex;
  align-items:center;
  gap:18px;
  margin-bottom:18px;
  min-width:0;
}

.icon{
  width:88px;
  height:88px;
  border-radius:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:42px;
  background:linear-gradient(135deg,#1f2937,#334155);
  border:1px solid rgba(255,255,255,0.08);
  flex-shrink:0;
}

.icon img,
.app-icon img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  border-radius:inherit;
}

h1{
  margin:0;
  font-size:clamp(32px,5vw,54px);
  line-height:1.05;
  min-width:0;
}

.subtitle{
  margin:10px 0 0;
  color:var(--muted);
  max-width:56ch;
  font-size:18px;
}

.tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:20px 0 0;
}

.tag{
  padding:7px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  color:#dbeafe;
  background:rgba(59,130,246,0.12);
  border:1px solid rgba(59,130,246,0.25);
}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:13px 18px;
  border-radius:12px;
  font-weight:700;
  border:1px solid transparent;
  transition:0.2s ease;
}

.btn-primary{
  background:var(--accent);
  color:#052e16;
}

.btn-primary:hover{
  background:var(--accent-dark);
  color:white;
  transform:translateY(-1px);
}

.btn-secondary{
  background:rgba(255,255,255,0.03);
  border-color:var(--line);
  color:white;
}

.btn-secondary:hover{
  background:rgba(255,255,255,0.06);
}

.info-grid{
  display:grid;
  gap:14px;
}

.info{
  padding:18px;
  border-radius:18px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.06);
  color:var(--muted);
}

.info strong{
  display:block;
  color:var(--text);
  margin-bottom:6px;
}

.section{
  margin-top:22px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  padding:24px;
  box-shadow:0 10px 30px rgba(0,0,0,0.18);
}

.card h2{
  margin:0 0 12px;
  font-size:24px;
}

.card p,
.card li{
  color:var(--muted);
}

ul{
  margin:0;
  padding-left:18px;
}

.note{
  margin-top:18px;
  padding:18px 20px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(34,197,94,0.08), rgba(255,255,255,0.03));
  border:1px solid rgba(34,197,94,0.18);
  color:var(--muted);
}

.note strong{
  color:var(--text);
}

@media (max-width: 900px){
  .hero,.section{
    grid-template-columns:1fr;
  }

  .brand{
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
  }

  .icon{
    width:76px;
    height:76px;
    font-size:36px;
  }
}

@media (max-width: 640px){
  body{
    padding:20px 12px;
  }

  .panel,.card{
    padding:22px;
  }

  .icon{
    width:68px;
    height:68px;
    font-size:32px;
  }

  h1{
    font-size:clamp(28px,8vw,40px);
  }
}