:root{
  --bg:#0b1220;
  --card:#111a2d;
  --card2:#0f172a;
  --text:#eaf1ff;
  --muted:#b9c6e4;
  --brand:#7cdbff;
  --accent:#a7ff83;
  --warn:#ffd166;
  --border:rgba(255,255,255,.14);
  --shadow:0 12px 30px rgba(0,0,0,.35);
  --radius:16px;
  --max:980px;
  --focus:0 0 0 4px rgba(124,219,255,.25);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background: radial-gradient(1200px 800px at 15% 0%, rgba(124,219,255,.18), transparent 55%),
              radial-gradient(900px 700px at 85% 15%, rgba(167,255,131,.14), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.45;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:22px}
.site-header{
  position:sticky;top:0;z-index:10;
  backdrop-filter:saturate(140%) blur(10px);
  background:rgba(11,18,32,.72);
  border-bottom:1px solid var(--border);
}
.header-inner{max-width:var(--max);margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:14px;justify-content:space-between;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.3px;color:var(--text);text-decoration:none}
.brand-badge{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg, rgba(124,219,255,.25), rgba(167,255,131,.18));
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav a{padding:10px 12px;border-radius:12px;color:var(--text);text-decoration:none}
.nav a:hover{background:rgba(255,255,255,.06);text-decoration:none}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.06);
  color:var(--text);
  text-decoration:none;
  box-shadow:0 10px 20px rgba(0,0,0,.25);
}
.btn:hover{background:rgba(255,255,255,.10);text-decoration:none}
.btn-primary{
  background:linear-gradient(135deg, rgba(124,219,255,.22), rgba(167,255,131,.16));
}
.btn-primary:hover{filter:brightness(1.05)}
.btn-chrome img{width:18px;height:18px;display:block}
.hero{
  margin:18px 0 6px;
  padding:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero h1{margin:0 0 8px;font-size:34px;line-height:1.1}
.hero p{margin:0;color:var(--muted);font-size:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:14px 0}
.card{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
}
.card h2,.card h3{margin:0 0 8px}
.price{font-size:22px;font-weight:800}
.muted{color:var(--muted)}
.small{font-size:13px;color:var(--muted)}
hr.sep{border:0;border-top:1px solid var(--border);margin:18px 0}
input,select,button,textarea{
  font:inherit;
}
input,select,textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
}
input:focus,select:focus,textarea:focus{box-shadow:var(--focus);border-color:rgba(124,219,255,.55)}
button{
  cursor:pointer;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.08);
  color:var(--text);
}
button:hover{background:rgba(255,255,255,.12)}
.video{
  position:relative;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  overflow:hidden;
  aspect-ratio:16/9;
  box-shadow:var(--shadow);
}
.video .placeholder{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;
  padding:18px;text-align:center;
  color:var(--muted);
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  padding:6px 10px;border-radius:999px;
  color:var(--muted);
  font-size:13px;
}
.faq details{
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px 14px;
}
.faq details + details{margin-top:10px}
.faq summary{cursor:pointer;font-weight:700}
.footer{
  margin-top:22px;
  padding:18px 0 10px;
  color:var(--muted);
  font-size:13px;
}

.row{display:flex;gap:14px;flex-wrap:wrap}
.mono{font-family:ui-monospace,Consolas,monospace}