:root {
  --bg: #faf8f6;
  --text: #1f2933;
  --muted: #5b6975;
  --line: #d8dee4;
  --brand: #165f4f;
  --max: 760px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem;
}

.site-header,
.site-footer {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.site-footer { border-top: 1px solid var(--line); border-bottom: 0; margin-top: 2rem; }

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand { color: var(--brand); font-weight: 700; text-decoration: none; }
nav a { margin-left: 1rem; color: var(--text); text-decoration: none; }

a { color: var(--brand); }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; }
.meta { color: var(--muted); margin-top: -0.5rem; }
.card-list { padding-left: 1.1rem; }
.internal-links {
  margin-top: 2rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--line);
}