:root{
  --bg:#071426;
  --bg2:#0b1b33;
  --panel:#0d1f39;
  --panel2:#11294b;
  --soft:#8ea3bf;
  --text:#f5f8ff;
  --line:rgba(145,175,220,.16);
  --green:#34d058;
  --shadow:0 18px 40px rgba(0,0,0,.28);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,Arial,Helvetica,sans-serif;
  background:
    radial-gradient(circle at top, rgba(42,88,160,.25), transparent 28%),
    linear-gradient(180deg, #071426 0%, #09172b 100%);
  color:var(--text);
  min-height:100vh;
}

img{max-width:100%;display:block;height:auto}

.container{
  max-width:480px;
  margin:0 auto;
  padding:16px 14px 28px;
}

.header{
  position:relative;
  text-align:center;
  padding:22px 18px 18px;
  border-radius:28px;
  overflow:hidden;
  background:
    linear-gradient(180deg, rgba(18,39,72,.96), rgba(9,21,43,.98));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.top-glow{
  position:absolute;
  inset:-80px auto auto 50%;
  transform:translateX(-50%);
  width:240px;
  height:240px;
  background:radial-gradient(circle, rgba(69,130,255,.20), transparent 60%);
  pointer-events:none;
}

.logo{
  width:122px;
  margin:0 auto 14px;
  padding:10px;
  border-radius:26px;
  background:#ffffff;
  box-shadow:0 12px 24px rgba(0,0,0,.16);
}

.header h1{
  margin:0;
  font-size:34px;
  line-height:1.04;
  letter-spacing:-.02em;
  font-weight:800;
}

.header p{
  margin:8px 0 0;
  font-size:15px;
  color:var(--soft);
}

.install{
  margin-top:18px;
  padding:18px;
  border-radius:24px;
  background:linear-gradient(180deg, rgba(14,31,57,.96), rgba(10,24,45,.98));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  text-align:center;
}

.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-bottom:16px;
}

.stats div{
  padding:14px 8px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.025));
  border:1px solid rgba(145,175,220,.12);
  backdrop-filter: blur(6px);
}

.stats b{
  font-size:22px;
  display:block;
  font-weight:800;
  letter-spacing:-.02em;
}

.stats span{
  font-size:12px;
  color:var(--soft);
  margin-top:4px;
  display:block;
}

button{
  width:100%;
  padding:16px 18px;
  font-size:18px;
  font-weight:800;
  letter-spacing:.01em;
  color:#09210f;
  background:linear-gradient(180deg, #45df6c, var(--green));
  border:none;
  border-radius:18px;
  cursor:pointer;
  box-shadow:0 14px 28px rgba(52,208,88,.28);
  transition:transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

button:hover{
  transform:translateY(-1px);
  box-shadow:0 18px 32px rgba(52,208,88,.34);
  filter:saturate(1.03);
}

button:active{
  transform:translateY(0);
}

.screens{
  margin-top:18px;
  padding:12px;
  border-radius:24px;
  background:linear-gradient(180deg, rgba(11,26,50,.96), rgba(8,19,37,.98));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.screens img{
  width:100%;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.06);
}

.features{
  margin-top:18px;
  display:grid;
  gap:12px;
}

.card{
  padding:18px 16px;
  border-radius:22px;
  background:linear-gradient(180deg, rgba(14,32,57,.96), rgba(10,22,42,.98));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.card h3{
  margin:0 0 8px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
}

.card p{
  margin:0;
  color:#a8bad3;
  line-height:1.62;
  font-size:14px;
}

@media (max-width:390px){
  .container{padding:14px 12px 24px}
  .header{padding:20px 14px 16px;border-radius:24px}
  .logo{width:110px}
  .header h1{font-size:30px}
  .stats{
    grid-template-columns:1fr;
  }
  .stats div{
    padding:12px 8px;
  }
  button{
    font-size:17px;
    padding:15px 16px;
    border-radius:16px;
  }
  .screens,.card,.install{border-radius:20px}
}