:root {
  --green: #0b6b3c;
  --teal: #1aa38a;
  --text: #1a2e24;
  --muted: #4a6358;
  --bg: #f7faf8;
  --card: #ffffff;
  --line: #d5e5db;
}
* { box-sizing: border-box; }
html { font-size: 18px; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}
header, main, footer { width: min(720px, calc(100% - 2.5rem)); margin-left: auto; margin-right: auto; }
header {
  padding: 2.25rem 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
header img { width: 64px; height: 64px; }
header a { color: inherit; text-decoration: none; }
header .names { display: flex; flex-direction: column; }
header strong { color: var(--green); font-size: 1.25rem; letter-spacing: 0.01em; }
header span { color: var(--muted); font-size: 0.85rem; }
main {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.75rem 1.75rem 2rem;
  margin-bottom: 1.5rem;
}
h1 { margin: 0 0 0.75rem; font-size: 1.7rem; color: var(--green); line-height: 1.25; }
h2 { margin: 1.6rem 0 0.5rem; font-size: 1.15rem; color: var(--green); }
p, li { color: var(--text); }
ul { padding-left: 1.2rem; }
a { color: var(--green); }
.lead { font-size: 1.05rem; }
.note { color: var(--muted); font-size: 0.92rem; }
footer {
  padding: 0 0 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}
footer nav { margin-bottom: 0.5rem; }
footer a { color: var(--green); margin-right: 1rem; }