:root{
  --bg:#050807; --panel:#06120a; --panelSoft:#05150d; --grid:rgba(57,255,20,.25);
  --txt:#ccffd7; --muted:#a6f7c0; --neon:#39ff14; --neo2:#00ffa7; --border:rgba(57,255,20,.32);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--txt);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;
  overflow-x:hidden;
}

.container{max-width:1180px;margin:0 auto;padding:0 16px}

/* Decorative grid */
.grid-overlay{
  position:fixed; inset:0; pointer-events:none;
  background:radial-gradient(circle at center,var(--grid) 0,transparent 60%);
  opacity:.04;
}

/* Nav */
.nav{
  position:sticky; top:0; z-index:20;
  background:rgba(0,0,0,.45); backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(57,255,20,.18);
}
.nav__row{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-family:"JetBrains Mono",monospace;color:#86ffaa;letter-spacing:.2em}
.brand__cube{
  width:28px;height:28px;border-radius:10px;background:#0a1f12;border:1px solid var(--border);
  box-shadow:0 0 12px rgba(57,255,20,.35), inset 0 0 18px rgba(57,255,20,.08);
}
.nav__links{display:none;gap:18px}
.nav__links a{color:#8cfbad;text-decoration:none}
@media(min-width:860px){.nav__links{display:flex}}

/* Buttons */
.btn{
  border:1px solid var(--border); background:transparent; color:#aaffc9;
  padding:10px 14px; border-radius:16px; text-decoration:none;
  display:inline-flex; gap:8px; align-items:center; cursor:pointer;
}
.btn--primary{
  box-shadow:0 0 12px rgba(57,255,20,.35),0 0 28px rgba(57,255,20,.2), inset 0 0 18px rgba(57,255,20,.08);
}
.btn:hover{background:rgba(57,255,20,.08)}

/* Hero */
.hero{padding:56px 0 28px}
.hero h1{font-size:34px;color:#b9ffd1;margin:0 0 8px}
.hero p{max-width:820px;color:#baffd4bf;margin:0}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.chip{border:1px solid var(--border);padding:6px 10px;border-radius:12px;box-shadow:inset 0 0 18px rgba(57,255,20,.08)}
.chip--soft{opacity:.85}

/* Grid layout */
.grid{display:grid;gap:18px}
.grid--2{grid-template-columns:1fr}
.grid--4{grid-template-columns:1fr}
.grid--full{grid-column:1 / -1}
@media(min-width:980px){
  .grid--2{grid-template-columns:1fr 1fr}
  .grid--4{grid-template-columns:repeat(4,1fr)}
}

/* Cards */
.card{
  background:var(--panel); border:1px solid var(--border); border-radius:18px; padding:16px;
  box-shadow:0 0 12px rgba(57,255,20,.2), inset 0 0 12px rgba(57,255,20,.05);
}
.card h3{
  margin:0 0 10px; color:#9cffbd;
  font-family:"JetBrains Mono",monospace; letter-spacing:.15em; font-size:12px;
}

/* Chart containment — fixed heights to prevent page growth */
.chart-card{overflow:hidden}
.chart-wrap{height:320px}
.chart-wrap.tall{height:380px}
canvas{
  display:block; width:100% !important; height:100% !important;
  background:linear-gradient(180deg,rgba(0,0,0,.08),transparent);
}

/* Terminal list */
.term{font-family:"JetBrains Mono",monospace}
.term__title{color:#8cfbad;margin-bottom:10px}
.term__body{display:grid;gap:12px}
.op{
  border:1px solid rgba(57,255,20,.22); border-radius:12px; padding:12px; background:var(--panelSoft);
  box-shadow:0 0 12px rgba(57,255,20,.15);
}
.op .t{color:#8cffb5;margin-bottom:4px}
.op .l{opacity:.85}
.cta-row{display:flex;gap:10px;margin-top:14px}

/* Mini cards */
.card--mini .k{color:#8cffb5;margin-bottom:8px}
.card--mini p{color:#c6ffd8b3}
.pair{display:flex;justify-content:space-between;gap:8px}
.pair span{border:1px solid var(--border);border-radius:12px;padding:6px 10px}

/* Misc */
.list{margin:8px 0 0 18px}
.list li{margin:6px 0}
.muted{color:#bfffd4a6}
.section-title{color:#9cffbd;font-family:"JetBrains Mono",monospace;letter-spacing:.15em;font-size:12px}

/* Footer */
.footer{border-top:1px solid rgba(57,255,20,.18);margin-top:24px}
.footer__row{display:flex;align-items:center;justify-content:space-between;padding:16px 0;color:#bfffd4a6}
.footer .links{display:flex;gap:16px}
.footer a{color:#aef7c6;text-decoration:none}