:root {
  --bg: #0f1419;
  --panel: #171e26;
  --line: #27313d;
  --text: #e9eef4;
  --muted: #94a3b8;
  --accent: #38bdf8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 3rem 1rem;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, system-ui, sans-serif;
  line-height: 1.8;
}

main {
  max-width: 46rem;
  margin: 0 auto;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: .8rem;
  letter-spacing: .08em;
}

h1 {
  margin: .25rem 0 .75rem;
  font-size: 2.25rem;
  line-height: 1.3;
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

section {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 .5rem;
  font-size: 1.25rem;
}

h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  color: var(--accent);
}

p { margin: 0 0 .75rem; }

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.cards li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem;
}

.cards p {
  margin: 0;
  color: var(--muted);
  font-size: .925rem;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .875rem;
}

code {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: .1rem .35rem;
  font-size: .9em;
}