:root {
  color-scheme: dark;
  --bg: #0e1117;
  --surface: #171d27;
  --surface-strong: #202938;
  --text: #f4f7fb;
  --muted: #aeb8c7;
  --accent: #a9e34b;
  --accent-ink: #142000;
  --border: #344052;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--accent);
}

.shell {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--border);
}

.brand {
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: .02em;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 12px;
}

main {
  padding: 64px 0 72px;
}

.eyebrow {
  color: var(--accent);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.15;
}

h1 {
  max-width: 760px;
  margin: 14px 0 20px;
  font-size: clamp(2.4rem, 7vw, 5rem);
  letter-spacing: -.045em;
}

h2 {
  margin-top: 42px;
  font-size: 1.55rem;
}

.lede {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.16rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 44px;
}

.button {
  display: inline-block;
  padding: 11px 17px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  border-color: var(--border);
  background: transparent;
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

footer {
  padding: 24px 0 42px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .92rem;
}

article {
  max-width: 760px;
}

article li {
  margin: 6px 0;
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 28px, 980px);
  }

  main {
    padding-top: 42px;
  }
}