:root{
  --bg:#081a2f;
  --surface:#0F1B33;
  --card: rgba(255,255,255,.03);
  --border: rgba(255,255,255,.07);
  --text:#F2F5FF;
  --muted: rgba(242,245,255,.78);
  --muted2: rgba(242,245,255,.62);
  --accent:#7DD3FC;
  --accent2:#C4B5FD;
  --radius:20px;
  --shadow: 0 16px 44px rgba(0,0,0,.42);
  --max: 1160px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:
    radial-gradient(900px 520px at 18% -10%, rgba(125,211,252,.18), transparent 60%),
    radial-gradient(900px 520px at 90% 10%, rgba(196,181,253,.14), transparent 60%),
    #0b1220;
  line-height:1.6;
}

a{color:inherit;text-decoration:none}
.container{max-width:var(--max); margin:0 auto; padding:0 20px}

/* Topbar */
.topbar{
  background: rgba(255,255,255,.045);
  border-bottom:1px solid var(--border);
}
.topbar .inner{
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 0; gap:12px;
}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono);
  font-size:11px;
  color: rgba(242,245,255,.78);
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  padding:5px 10px;
  border-radius:999px;
}
.pill .dot{
  width:7px; height:7px; border-radius:99px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  opacity:.85;
}

/* Header */
header{
  position:sticky; top:0; z-index:50;

  background: rgba(11,18,32,.78);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 0;
}
.brand{
  display:flex; align-items:center; gap:12px;
}
.logo{
  width:38px;
  height:38px;
  display:block;
  border-radius:12px;
}
.brand strong{letter-spacing:.3px;font-weight:600}
.navlinks{
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
}
.navlinks a{
  padding:8px 10px; border-radius:12px;
  color: var(--muted);
  border:1px solid transparent;
  transition: background .15s ease, border-color .15s ease;
}
.navlinks a:hover{
  background: rgba(255,255,255,.05);
  border-color: var(--border);
}
.navlinks a.active{
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.22);
}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 16px;
  border-radius:14px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.045);
  transition: background .15s ease, transform .05s ease;
}
.btn:hover{background: rgba(255,255,255,.08)}
.btn.primary{
  border-color: rgba(125,211,252,.55);
  background: rgba(125,211,252,.14);
}
.btn.primary:hover{background: rgba(125,211,252,.22)}

/* Hero */
.hero{padding:64px 0 18px}
.kicker{
  font-family:var(--mono);
  font-size:12px;
  color: var(--accent);
  letter-spacing:.45px;
  text-transform:uppercase;
  margin:0 0 12px;
}
h1{
  font-size: clamp(30px, 4.4vw, 52px);
  line-height:1.05;
  margin:0 0 14px;
}
.lede{
  width:100%;
  max-width:none;
  font-size:18px;
  color: var(--muted);
  margin:0 0 20px;
}
.actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:18px}
.badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:18px}
.badge{
  font-family:var(--mono);
  font-size:12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  padding:6px 12px;
  border-radius:999px;
  color: rgba(242,245,255,.86);
}

/* Grid & cards */
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:18px;
  padding: 24px 0 64px;
}
.card{
  grid-column: span 12;
  border:1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:22px;
}
.card h2{margin:0 0 10px;font-size:20px}
.card p{margin:0;color:var(--muted)}
.card ul{margin:12px 0 0 18px;color:var(--muted)}
.note{
  border-left:4px solid rgba(196,181,253,.85);
  background: rgba(196,181,253,.12);
  padding:14px 16px;
  border-radius: 16px;
  color: rgba(242,245,255,.9);
}
.callout{
  border:1px solid rgba(125,211,252,.4);
  background: rgba(125,211,252,.12);
  padding:16px;
  border-radius: 18px;
}
.small{font-size:14px;color:var(--muted2)}
hr.sep{border:none;border-top:1px solid var(--border);margin:16px 0}

footer{
  border-top:1px solid var(--border);
  padding:28px 0 36px;
  color:var(--muted2);
}

@media (min-width: 980px){
  .span6{grid-column: span 6}
  .span4{grid-column: span 4}
  .span8{grid-column: span 8}
}



/* Step 11: solid bluish background + no blur (preserve layout) */
html, body{
  background-color:#081a2f !important;
  background-image:none !important;
}
.topbar{ background: rgba(8,26,47,.92) !important; }
header{ background: rgba(8,26,47,.96) !important; }

.cred-strip{
  margin-top:14px;
  display:inline-block;
  padding:10px 14px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  background: rgba(255,255,255,.02);
  font-size:14px;
}
.cols{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
@media (max-width:860px){
  .cols{grid-template-columns:1fr;}
}


/* Step 13: final polish */
.icp-line{
  margin-top:10px;
  color: rgba(242,245,255,.84);
  max-width: 820px;
}
.btn.primary{
  border-color: rgba(125,211,252,.55) !important;
  background: rgba(125,211,252,.10) !important;
  box-shadow: 0 10px 28px rgba(0,0,0,.25);
  font-weight: 650;
}
.btn.primary:hover{
  background: rgba(125,211,252,.14) !important;
}
pre.code{
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.22);
  border-radius:14px;
  padding:12px 12px;
}