:root{
  --bg:#0b1220;
  --panel: rgba(255,255,255,.03);
  --panel2: rgba(255,255,255,.05);
  --text:#e6edf7;
  --muted:#9fb0c7;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.07);
  --accent:#66e3ff;
  --accent2:#7c5cff;
  --good:#35e08a;
  --warn:#ffcc66;
  --radius:18px;
}

*{box-sizing:border-box}
body{
  margin:0;
  background:#fff;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

.rc-wrap{max-width:1100px;margin:0 auto;color:var(--text)}
.rc-bg{
  background: var(--bg);
  padding: 22px 14px;
  border-radius: 18px;
}

/* Topbar */
.rc-topbar{
  position: sticky;
  top: 0;
  z-index: 50;

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;

  margin: 0 0 10px 0;
  padding: 10px 6px 12px 6px;

  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.55);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.rc-brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none; color:var(--text);
  min-width: 220px;
}
.rc-brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-weight: 800;
  letter-spacing: .02em;
  background: linear-gradient(135deg, rgba(102,227,255,.22), rgba(124,92,255,.22));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.rc-brand-mark-sm{width:32px;height:32px;border-radius:11px}
.rc-brand-text{display:flex;flex-direction:column;line-height:1.05}
.rc-brand-name{font-weight:800;letter-spacing:-.01em}
.rc-brand-tag{font-size:12px;color:var(--muted);margin-top:4px}

.rc-nav{
  display:flex; gap: 10px; align-items:center;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}
.rc-navlink{
  font-size: 13px;
  color: var(--muted);
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: border .2s ease, background .2s ease, color .2s ease;
  white-space:nowrap;
}
.rc-navlink:hover{
  color: var(--text);
  border-color: rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.rc-active{
  color: var(--text);
  border-color: rgba(102,227,255,.25);
  background: rgba(102,227,255,.06);
}

.rc-topbar-actions{display:flex;align-items:center;gap:10px}
.rc-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding: 9px 12px;
  border-radius: 999px;
  text-decoration:none;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(102,227,255,.14), rgba(124,92,255,.14));
  font-size: 13px;
  font-weight: 650;
}

/* Hero */
.rc-hero{
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: 28px 26px;
  box-shadow: 0 24px 70px rgba(0,0,0,.55);
  overflow:hidden;

  background:
    radial-gradient(1200px 420px at 15% 0%, rgba(102,227,255,.18), transparent 60%),
    radial-gradient(1000px 420px at 70% 0%, rgba(124,92,255,.15), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.04), transparent 60%);
}

.rc-kicker{
  display:flex;align-items:center;gap:10px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  flex-wrap:wrap;
}
.rc-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}

.rc-h1{
  margin: 0;
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.rc-sub{
  margin: 10px 0 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  max-width: 84ch;
}

.rc-hero-actions{
  display:flex; gap:10px; flex-wrap:wrap;
  margin-top: 16px;
}

.rc-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(102,227,255,.18), rgba(124,92,255,.18));
  color: var(--text);
  font-weight: 650;
  letter-spacing: .01em;
  text-decoration:none;
  transition: transform .08s ease, filter .2s ease, border .2s ease;
}
.rc-btn:hover{filter:brightness(1.05)}
.rc-btn:active{transform:translateY(1px)}

.rc-btn-secondary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  text-decoration:none;
}

/* Stats */
.rc-statrow{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
  margin-top: 18px;
}
@media (max-width: 900px){
  .rc-statrow{grid-template-columns: 1fr; }
  .rc-nav{display:none;} /* keep simple for hub */
}
.rc-stat{
  border: 1px solid var(--line2);
  background: rgba(0,0,0,.12);
  border-radius: 16px;
  padding: 12px 12px;
}
.rc-stat .k{color: var(--muted); font-size: 12px; margin-bottom: 6px;}
.rc-stat .v{color: var(--text); font-weight: 800; letter-spacing:-.01em;}

/* Sections */
.rc-section{margin-top: 22px;}
.rc-section-h{margin: 0 6px 12px 6px;}
.rc-h2{
  margin: 0 0 6px 0;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.rc-section-sub{
  margin:0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

/* Featured layout */
.rc-feature{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 16px;
  margin-top: 12px;
}
@media (max-width: 900px){
  .rc-feature{grid-template-columns: 1fr;}
}
.rc-feature-left, .rc-feature-right{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
  overflow:hidden;
}
.rc-feature-left{padding: 18px;}
.rc-feature-right{padding: 18px;}

.rc-h3{margin: 10px 0 8px; font-size: 20px; letter-spacing:-.01em;}
.rc-p{margin:0 0 10px; color: var(--muted); line-height: 1.7;}

.rc-bullets{
  margin: 12px 0 14px 18px;
  color: rgba(159,176,199,.95);
  line-height: 1.6;
}
.rc-bullets li{margin: 6px 0;}

.rc-feature-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top: 8px;}
.rc-fine{margin-top: 12px; color: rgba(159,176,199,.85); font-size: 12px;}

/* Preview card */
.rc-preview-card{
  border: 1px solid var(--line2);
  background:
    radial-gradient(700px 260px at 20% 0%, rgba(102,227,255,.12), transparent 60%),
    radial-gradient(600px 220px at 80% 0%, rgba(124,92,255,.10), transparent 55%),
    rgba(0,0,0,.12);
  border-radius: 16px;
  padding: 14px;
  overflow:hidden;
}
.rc-preview-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom: 12px;
}
.rc-mini{font-size:12px;color: rgba(159,176,199,.85);}
.rc-preview-metrics{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.rc-mini-metric{
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 10px 10px;
}
.rc-mini-metric .k{color: var(--muted); font-size: 12px; margin-bottom: 6px;}
.rc-mini-metric .v{font-weight: 800; letter-spacing:-.01em;}
.rc-preview-graph{
  height: 90px;
  margin-top: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.00)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0, rgba(255,255,255,.05) 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0, rgba(255,255,255,.05) 1px, transparent 1px, transparent 26px);
  position: relative;
}
.rc-preview-graph::after{
  content:"";
  position:absolute;
  left: 10%;
  top: 55%;
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, rgba(102,227,255,.75), rgba(53,224,138,.65));
  transform: rotate(-8deg);
  border-radius: 3px;
  opacity: .9;
}
.rc-preview-foot{
  margin-top: 12px;
  color: rgba(159,176,199,.9);
  font-size: 12px;
  line-height: 1.5;
}

/* Tags + badges */
.rc-tags{display:flex;gap:8px;flex-wrap:wrap}
.rc-tag{
  font-size:12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
}
.rc-tag-glow{
  border-color: rgba(102,227,255,.22);
  background: rgba(102,227,255,.06);
  color: rgba(230,237,247,.95);
}

.rc-badge{
  font-size:12px;
  padding: 6px 12px;
  border-radius: 999px;
  border:1px solid rgba(53,224,138,.35);
  background: linear-gradient(135deg, rgba(53,224,138,.18), rgba(53,224,138,.08));
  color: #d6ffe9;
  font-weight: 700;
  letter-spacing: .01em;
}
.rc-badge-soon{
  border-color: rgba(255,204,102,.30);
  background: linear-gradient(135deg, rgba(255,204,102,.14), rgba(255,204,102,.06));
  color: rgba(255,241,210,.95);
}

/* Cards grid */
.rc-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
  margin-top: 12px;
}
@media (max-width: 900px){
  .rc-grid{grid-template-columns: 1fr;}
}
.rc-grid-3{grid-template-columns: repeat(3, minmax(0,1fr));}
@media (max-width: 900px){
  .rc-grid-3{grid-template-columns: 1fr;}
}

.rc-card{
  display:block;
  text-decoration:none;
  padding: 16px 16px 14px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  box-shadow: 0 14px 40px rgba(0,0,0,.25);
  transition: transform .12s ease, border-color .12s ease, filter .12s ease, box-shadow .12s ease;
  position: relative;
  overflow:hidden;
}
.rc-card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(700px 240px at 12% 0%, rgba(102,227,255,.10), transparent 60%),
    radial-gradient(600px 220px at 85% 0%, rgba(124,92,255,.09), transparent 55%);
  opacity: .0;
  transition: opacity .12s ease;
  pointer-events:none;
}
.rc-card:hover{
  transform: translateY(-4px);
  border-color: rgba(102,227,255,.35);
  filter: brightness(1.05);
  box-shadow: 0 20px 60px rgba(0,0,0,.45), 0 0 40px rgba(102,227,255,.08);
}
.rc-card:hover::before{opacity: 1;}

.rc-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}
.rc-card-title{
  margin: 0 0 8px 0;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text);
  position: relative;
  z-index: 1;
}
.rc-card-desc{
  margin: 0 0 10px 0;
  color: rgba(159,176,199,.95);
  line-height: 1.55;
  position: relative;
  z-index: 1;
}
.rc-card-meta{
  color: rgba(159,176,199,.85);
  font-size: 12px;
  position: relative;
  z-index: 1;
}

.rc-subsection{margin-top: 18px;}
.rc-subsection-h{margin: 0 6px 12px 6px;}
.rc-dim{opacity:.88}

/* Prose + callout */
.rc-hr{
  height:1px;
  background: rgba(255,255,255,.10);
  border:none;
  margin: 22px 0;
}
.rc-prose{padding: 0 6px 8px 6px;}
.rc-callout{
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  background:
    radial-gradient(900px 280px at 20% 0%, rgba(102,227,255,.12), transparent 60%),
    radial-gradient(800px 260px at 80% 0%, rgba(124,92,255,.10), transparent 55%),
    rgba(255,255,255,.03);
}
.rc-callout-title{font-weight: 800; letter-spacing:-.01em; margin-bottom: 6px;}
.rc-callout-body{color: rgba(159,176,199,.95); line-height: 1.6; margin-bottom: 10px;}

/* Footer */
.rc-footer{
  margin-top: 18px;
  padding: 14px 6px 8px 6px;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.06);
}
.rc-footer-brand{display:flex;align-items:center;gap:10px;}
.rc-footer-name{font-weight: 800; letter-spacing:-.01em;}
.rc-footer-tag{color: var(--muted); font-size: 12px; margin-top: 2px;}
.rc-footer-links{display:flex;gap:12px;flex-wrap:wrap;margin-top: 10px;}
.rc-footer-links a{color: rgba(159,176,199,.95); text-decoration:none; font-size: 13px;}
.rc-footer-links a:hover{color: var(--text);}