:root {
  --ink: #2b2118;
  --muted: #6b5d50;
  --paper: #faf6f1;
  --card: #ffffff;
  --line: #e7ddd2;
  --accent: #9a4a1f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

header, main, footer {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}

nav a { margin-left: 1rem; }
nav a:first-child { margin-left: 0; }

h1 { font-size: 2rem; line-height: 1.2; margin: 2rem 0 0.75rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 0.5rem; }
h3 { font-size: 1.05rem; margin: 1.25rem 0 0.25rem; }

.lead { font-size: 1.15rem; color: var(--muted); }

.open {
  display: inline-block;
  margin: 1rem 0 0.5rem;
  padding: 0.7rem 1.2rem;
  border-radius: 0.5rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 0.9rem;
  padding: 0;
  list-style: none;
}

.features li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.9rem 1rem;
}

.features strong { display: block; margin-bottom: 0.2rem; }

table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 0.5rem; border-bottom: 1px solid var(--line); }

.updated { color: var(--muted); font-size: 0.95rem; }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

footer a { margin-right: 1rem; }