:root {
  --bg: #10160f;
  --fg: #eef3ea;
  --accent: #c4e07a;
  --muted: #9aa894;
  --panel: #1a2218;
  --line: #2c3828;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(900px 420px at 12% -8%, #24331f, transparent),
    linear-gradient(180deg, #152014, var(--bg) 45%);
  color: var(--fg);
  line-height: 1.55;
}
.hero, main, footer { padding: 1.5rem; max-width: 44rem; margin: 0 auto; }
.hero { padding-top: 4.5rem; padding-bottom: 1rem; }
.brand {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.8rem;
  margin: 0 0 0.75rem;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.15; margin: 0 0 0.75rem; }
h2 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.lede, .note, footer { color: var(--muted); }
.cta {
  display: inline-block;
  margin-top: 1.1rem;
  padding: 0.75rem 1.15rem;
  background: var(--accent);
  color: #13200f;
  text-decoration: none;
  border-radius: 2px;
  font-weight: 700;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  margin: 0.85rem 0;
}
ul { margin: 0.4rem 0 0; padding-left: 1.2rem; }
a { color: var(--accent); }
footer { padding-bottom: 3rem; font-size: 0.92rem; }
code, pre {
  font-family: "IBM Plex Mono", Consolas, monospace;
  background: #12180f;
}
pre {
  padding: 0.9rem;
  overflow: auto;
  border: 1px solid var(--line);
}
article.checklist { padding: 2rem 1.5rem 4rem; max-width: 44rem; margin: 0 auto; }
.meta { color: var(--muted); font-size: 0.92rem; }