:root{
  --bg:#0b0b0f;
  --fg:#ffffff;
  --muted:#9aa3af;
  --accent:#4f46e5;
  --card:#15151c;
  --border:#23232b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
  background:var(--bg);
  color:var(--fg);
  line-height:1.6;
}
a{color:var(--fg);text-decoration:none}
.container{max-width:880px;margin:0 auto;padding:20px}
.button{
  display:inline-block;padding:14px 18px;border-radius:14px;
  background:var(--accent);color:white;font-weight:600;border:none
}
.button.secondary{background:#222; border:1px solid var(--border);color:#fff}
.badge{display:inline-flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--card)}
.grid{display:grid;gap:14px}
.hero{
  padding:28px;border:1px solid var(--border);background:linear-gradient(180deg,#12121a, #0b0b0f);
  border-radius:22px; box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.hero h1{font-size:28px;margin:0 0 8px}
.hero p{margin:0 0 16px;color:var(--muted)}
.card{
  padding:18px;border:1px solid var(--border);background:var(--card);border-radius:18px
}
.card h3{margin:0 0 8px;font-size:18px}
.section-title{font-size:20px;margin:26px 0 12px}
footer{
  margin-top:28px;padding:18px;border-top:1px solid var(--border);color:var(--muted);font-size:14px
}
.nav{
  display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px
}
ul{margin:6px 0 0 18px}
input, textarea, select{
  width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);
  background:#0f0f15;color:white
}
label{display:block;margin:8px 0 6px;color:var(--muted);font-size:14px}
.form{display:grid;gap:12px}
.small{font-size:12px;color:var(--muted)}
.kbd{font-family:ui-monospace, SFMono-Regular, Menlo, monospace; background:#0e0e14;border:1px solid var(--border);padding:2px 6px;border-radius:6px}
.feature-list{display:grid;gap:10px}
.feature{display:flex;gap:12px;align-items:flex-start}
.icon{width:28px;height:28px;border-radius:8px;background:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-weight:900}
.tag{display:inline-block;padding:4px 8px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:12px}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.store-badge{
  display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--border);border-radius:14px;background:#0f0f15
}
.store-badge span{display:block;line-height:1.1}
.store-badge .sm{font-size:10px;color:#b5b9c4}
.store-badge .lg{font-size:16px;font-weight:700}
hr{border:none;border-top:1px solid var(--border);margin:14px 0}
@media (min-width:720px){
  .hero{padding:36px}
  .hero h1{font-size:34px}
}