:root{
  --bg:#070913;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.10);
  --stroke: rgba(255,255,255,0.14);
  --text: rgba(255,255,255,0.88);
  --muted: rgba(255,255,255,0.68);
  --muted2: rgba(255,255,255,0.50);
  --accent1:#39ffb6; /* emerald */
  --accent2:#b06bff; /* violet */
  --shadow: 0 12px 40px rgba(0,0,0,.55);
  --radius: 18px;
  --serif: ui-serif, Georgia, "Times New Roman", Times, serif;
  --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, "Apple Color Emoji", "Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:
    radial-gradient(900px 700px at 18% 12%, rgba(57,255,182,.16), transparent 60%),
    radial-gradient(900px 700px at 85% 20%, rgba(176,107,255,.16), transparent 62%),
    radial-gradient(1200px 900px at 50% 120%, rgba(57,255,182,.10), transparent 55%),
    linear-gradient(180deg, #050611 0%, #070913 25%, #050611 100%);
  color:var(--text);
  font-family: var(--sans);
  line-height:1.55;
}

a{color:inherit; text-decoration:none}
a:hover{opacity:.92}
.container{max-width:1100px; margin:0 auto; padding:0 20px}
header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(7,9,19,.55);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:12px;
}
.brand svg{width:30px; height:30px}
.brand .name{
  font-family: var(--serif);
  letter-spacing:.3px;
  font-size:18px;
}
.brand .tag{
  font-family: var(--mono);
  font-size:12px;
  color:var(--muted2);
}

.navlinks{display:flex; gap:14px; align-items:center; flex-wrap:wrap}
.navlinks a{
  font-family: var(--mono);
  font-size:12px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid transparent;
  color:var(--muted);
}
.navlinks a.active{
  border-color: rgba(255,255,255,.14);
  color: var(--text);
  background: rgba(255,255,255,.06);
}
.navlinks a:hover{
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: var(--text);
}

.hero{padding:64px 0 22px}
.kicker{
  font-family: var(--mono);
  font-size:12px;
  color: var(--muted);
  letter-spacing:.2em;
  text-transform:uppercase;
}
h1{
  margin:12px 0 12px;
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 54px);
  line-height:1.05;
  letter-spacing: -0.02em;
}
.lede{
  max-width: 70ch;
  color: var(--muted);
  font-size: 16px;
}
.hero-cta{display:flex; gap:12px; flex-wrap:wrap; margin-top:22px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:11px 14px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  box-shadow: var(--shadow);
  font-family: var(--mono);
  font-size:12px;
  color:var(--text);
}
.btn.primary{
  border-color: rgba(57,255,182,.35);
  background: linear-gradient(90deg, rgba(57,255,182,.15), rgba(176,107,255,.12));
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0px)}
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:16px;
  margin: 26px 0 52px;
}
.card{
  background: var(--panel);
  border:1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  overflow:hidden;
  position:relative;
}
.card::after{
  content:"";
  position:absolute;
  inset:-2px;
  background: radial-gradient(500px 180px at 22% 10%, rgba(57,255,182,.18), transparent 60%),
              radial-gradient(450px 160px at 84% 16%, rgba(176,107,255,.18), transparent 62%);
  opacity:.55;
  pointer-events:none;
}
.card > *{position:relative; z-index:1}
.card h3{
  margin:0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
}
.card p{margin:0; color: var(--muted); font-size:14px}
.mono{font-family: var(--mono)}
.small{font-size:12px; color:var(--muted2)}
.section{
  padding: 30px 0;
}
.section h2{
  font-family: var(--serif);
  font-size: 26px;
  margin: 0 0 10px;
}
.section p{color:var(--muted); margin: 0 0 14px}
.section .subgrid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:16px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 6px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  font-family: var(--mono);
  font-size:12px;
  color: var(--muted);
}
.kbd{
  font-family: var(--mono);
  font-size: 12px;
  padding: 2px 7px;
  border-radius: 8px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
}
.hr{
  height:1px;
  background: rgba(255,255,255,.10);
  margin: 18px 0;
}
footer{
  border-top:1px solid rgba(255,255,255,.08);
  background: rgba(7,9,19,.55);
  padding: 20px 0;
  color: var(--muted2);
}
.footergrid{
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.footergrid a{color:var(--muted)}
pre{
  margin: 0;
  padding: 14px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
  overflow:auto;
  box-shadow: var(--shadow);
}
code{font-family: var(--mono); font-size: 12px; color: rgba(255,255,255,.86)}

@media (max-width: 820px){
  .grid, .section .subgrid{grid-template-columns: repeat(6, 1fr)}
}
@media (max-width: 520px){
  .grid, .section .subgrid{grid-template-columns: repeat(1, 1fr)}
  .nav{flex-direction:column; align-items:flex-start; gap:10px}
}