@font-face {
  font-family: 'Space Grotesk'; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(/fonts/space-grotesk-latin.woff2) format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url(/fonts/jetbrains-mono-latin.woff2) format('woff2');
}
@font-face { font-family: 'Space Grotesk Fallback'; src: local('Arial'), local('Helvetica'); size-adjust: 107.5%; }
@font-face { font-family: 'JetBrains Mono Fallback'; src: local('Consolas'); size-adjust: 109.1%; }

:root {
  --sans: 'Space Grotesk', 'Space Grotesk Fallback', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', 'JetBrains Mono Fallback', 'SF Mono', Menlo, Consolas, monospace;
  --ground: #000000;
  --raised: #07100A;
  --edge: #14301E;
  --phosphor: #3BF77A;
  --text: #CFEFD8;
  --text-dim: #8AA592;
  --text-faint: #64806D;
  --level: #5AC8E8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--ground);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--phosphor); text-underline-offset: 3px; }
a:hover { color: #7dffab; }

.top {
  border-bottom: 1px solid var(--edge);
  background: rgba(0, 0, 0, 0.85);
  position: sticky; top: 0; z-index: 10;
}
.top .in {
  max-width: 1040px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand {
  font-family: var(--mono); font-weight: 700; letter-spacing: 0.08em;
  color: var(--text); text-decoration: none; font-size: 15px;
}
.brand b { color: var(--phosphor); }
.top nav { display: flex; align-items: center; gap: 22px; font-family: var(--mono); font-size: 13px; }
.top nav a { color: var(--text-dim); text-decoration: none; }
.top nav a:hover { color: var(--text); }
.top nav a.cta {
  color: var(--phosphor); border: 1px solid var(--phosphor); border-radius: 8px;
  padding: 7px 14px;
}

main { max-width: 720px; margin: 0 auto; padding: 44px 20px 30px; }
.crumbs { font-family: var(--mono); font-size: 12px; color: var(--text-faint); margin-bottom: 18px; }
.crumbs a { color: var(--text-dim); text-decoration: none; }
.crumbs a:hover { color: var(--phosphor); }

h1 { font-size: clamp(30px, 5.4vw, 44px); line-height: 1.15; letter-spacing: -0.01em; margin-bottom: 16px; }
.meta { font-family: var(--mono); font-size: 12px; color: var(--text-faint); margin-bottom: 30px; }
.lede { font-size: 20px; color: var(--text); margin-bottom: 8px; }

h2 { font-size: 26px; line-height: 1.25; margin: 46px 0 14px; letter-spacing: -0.005em; }
h3 { font-size: 20px; margin: 30px 0 8px; }
p { margin: 0 0 18px; }
ul, ol { margin: 0 0 20px 1.2em; }
li { margin-bottom: 8px; }
strong { color: #fff; font-weight: 600; }
code, .mono { font-family: var(--mono); font-size: 0.86em; color: var(--phosphor); }

figure { margin: 30px 0; }
figure img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--edge); border-radius: 10px; background: #000;
}
figcaption { font-family: var(--mono); font-size: 12px; line-height: 1.6; color: var(--text-faint); margin-top: 10px; }

.callout {
  border: 1px solid var(--edge); border-left: 3px solid var(--phosphor);
  background: var(--raised); border-radius: 8px; padding: 16px 18px; margin: 26px 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--phosphor); margin-bottom: 6px; }

.cta-box {
  border: 1px solid var(--phosphor); border-radius: 12px; padding: 26px 24px; margin: 46px 0 10px;
  background: linear-gradient(180deg, rgba(59,247,122,0.07), rgba(59,247,122,0.02));
}
.cta-box h2 { margin: 0 0 8px; font-size: 22px; }
.cta-box p { color: var(--text-dim); }
.btn {
  display: inline-block; font-family: var(--mono); font-weight: 600; letter-spacing: 0.06em;
  color: var(--phosphor); border: 1.5px solid var(--phosphor); border-radius: 8px;
  padding: 12px 22px; text-decoration: none; margin-top: 6px;
}
.btn:hover { background: rgba(59,247,122,0.1); color: #7dffab; }

.related { margin-top: 40px; border-top: 1px solid var(--edge); padding-top: 22px; }
.related h2 { font-size: 15px; font-family: var(--mono); letter-spacing: 0.08em; color: var(--text-faint); margin: 0 0 12px; }
.related a { display: block; padding: 8px 0; text-decoration: none; }

.faq h3 { margin-top: 26px; }

.disclaimer {
  font-size: 13px; color: var(--text-faint); border-top: 1px solid var(--edge);
  padding-top: 18px; margin-top: 34px; line-height: 1.6;
}

.cards { display: grid; gap: 14px; margin-top: 26px; }
.card {
  display: block; border: 1px solid var(--edge); border-radius: 10px; padding: 18px 20px;
  background: var(--raised); text-decoration: none; color: var(--text);
}
.card:hover { border-color: var(--phosphor); }
.card b { display: block; font-size: 19px; margin-bottom: 4px; color: #fff; }
.card span { color: var(--text-dim); font-size: 16px; }

footer { border-top: 1px solid var(--edge); margin-top: 50px; }
footer .in { max-width: 1040px; margin: 0 auto; padding: 24px 20px 40px; font-size: 13px; color: var(--text-faint); }
footer .links { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 10px; }
footer a { color: var(--text-dim); text-decoration: none; }
footer a:hover { color: var(--phosphor); }

@media (max-width: 560px) {
  body { font-size: 17px; }
  .top nav a:not(.cta) { display: none; }
  main { padding-top: 30px; }
}