:root{
  --bg:#0F0E17;
  --card:#171625;
  --text:#FFFFFE;
  --muted:#A7A9BE;
  --a:#FF8906;
  --b:#F25F4C;
  --radius:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(900px 500px at 20% 0%, rgba(255,137,6,.20), transparent 60%),
              radial-gradient(900px 500px at 90% 10%, rgba(242,95,76,.12), transparent 60%),
              var(--bg);
  color:var(--text);
}

.layout{
  display:grid;
  grid-template-columns: 270px 1fr;
  min-height:100vh;
}
@media (max-width: 980px){
  .layout{grid-template-columns:1fr}
  .leftNav{position:relative;height:auto}
}

.leftNav{
  position:sticky;top:0;align-self:start;
  height:100vh;
  padding:18px;
  border-right:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.20);
  backdrop-filter: blur(8px);
}

.brand{display:flex;gap:12px;align-items:center;margin-bottom:18px}
.dot{width:14px;height:14px;border-radius:99px;background:linear-gradient(90deg,var(--a),var(--b))}
.b1{font-weight:900}
.b2{color:var(--muted);font-size:.92rem}

.tocHead{color:var(--muted);margin:0 0 8px;font-weight:800}
.toc a{
  display:block;
  padding:10px 10px;
  border-radius:14px;
  color:var(--text);
  text-decoration:none;
  margin:6px 0;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
}
.toc a:hover{border-color: rgba(255,137,6,.35); color:var(--a)}

.main{padding:24px;max-width:980px}
.hero h1{margin:0 0 10px;font-size:2rem}
.intro{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.10);
  padding:16px;border-radius:var(--radius);
}
.promo{color:var(--a);font-weight:900}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chips span{
  padding:6px 10px;border-radius:999px;
  background:rgba(255,137,6,.10);
  border:1px solid rgba(255,137,6,.25);
  color:var(--a);
  font-weight:800;
}

.card{
  margin-top:16px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  padding:18px;border-radius:var(--radius);
}
h2{margin:0 0 10px}
.bigSteps li{margin:10px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:720px){.grid2{grid-template-columns:1fr}}
.miniCard{
  padding:12px;border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.20);
}

.tick li{margin:8px 0}
.relatedLinks{display:flex;gap:10px;flex-wrap:wrap}
.relatedLinks a{
  text-decoration:none;color:var(--text);
  border:1px solid rgba(255,255,255,.10);
  padding:8px 12px;border-radius:999px;
}
.relatedLinks a:hover{border-color: rgba(242,95,76,.35); color:var(--b)}

.faq details{
  margin:10px 0;
  padding:12px;border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.18);
}
.faq summary{cursor:pointer;font-weight:900}

.footer{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.disc{color:var(--muted)}