:root {
  --bg: #f4f1e8;
  --panel: #fffdf8;
  --ink: #1f2a1f;
  --muted: #5c665c;
  --line: #d9d2c2;
  --accent: #1f5f4a;
  --accent-2: #a86d1f;
  --code-bg: #f0ece2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at top left, rgba(168, 109, 31, 0.08), transparent 30%),
    linear-gradient(180deg, #f8f5ee 0%, var(--bg) 100%);
  color: var(--ink);
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 16px 40px rgba(31, 42, 31, 0.08);
}

.brand {
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
}

h2 {
  margin-top: 32px;
  font-size: 1.35rem;
}

p,
li {
  font-size: 1.03rem;
  line-height: 1.7;
  color: var(--ink);
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 60ch;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 28px;
}

.tile {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  background: #fff;
}

.tile h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

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

code,
pre {
  font-family: Consolas, "Courier New", monospace;
}

pre {
  padding: 14px;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

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

.notice {
  border-left: 4px solid var(--accent-2);
  padding: 12px 14px;
  background: rgba(168, 109, 31, 0.08);
  border-radius: 10px;
  margin: 20px 0;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

button,
.button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}

button.secondary,
.button.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

dl {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 10px 16px;
}

dt {
  font-weight: bold;
}

dd {
  margin: 0;
}

footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  .card {
    padding: 22px;
  }

  dl {
    grid-template-columns: 1fr;
  }
}