:root {
  color-scheme: dark;
  --bg: #080b0d;
  --panel: #12181b;
  --panel-soft: #182126;
  --text: #f3f7f4;
  --muted: #a8b4ae;
  --accent: #b5ff4d;
  --accent-strong: #8fdc28;
  --line: rgba(181, 255, 77, .22);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(circle at 75% -10%, rgba(181,255,77,.12), transparent 32rem), var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--accent); }
a:hover { color: #d2ff98; }

.shell { width: min(960px, calc(100% - 32px)); margin: 0 auto; }

header {
  padding: 30px 0 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.03em;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--accent);
  border-radius: 10px;
  color: var(--accent);
  font-weight: 900;
}

nav { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 20px; }
nav a { color: var(--muted); font-size: 14px; text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }

main { padding: 58px 0 72px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -.025em; }
h1 { max-width: 760px; margin: 0 0 16px; font-size: clamp(34px, 6vw, 58px); }
h2 { margin: 42px 0 12px; font-size: 26px; }
h3 { margin: 26px 0 8px; font-size: 19px; }
p, li { color: var(--muted); }
.lead { max-width: 760px; margin: 0; font-size: 19px; }

.meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 30px 0 42px;
}

.meta-card, .callout {
  padding: 18px 20px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  background: rgba(18,24,27,.82);
}

.meta-card strong { display: block; color: var(--text); font-size: 14px; }
.meta-card span { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.callout { border-color: var(--line); }

ul, ol { padding-left: 24px; }
li + li { margin-top: 8px; }

footer {
  padding: 24px 0 36px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: var(--muted);
  font-size: 14px;
}

footer p { margin: 4px 0; }

@media (max-width: 560px) {
  .shell { width: min(100% - 24px, 960px); }
  header { padding-top: 22px; }
  main { padding-top: 40px; }
  .lead { font-size: 17px; }
}