:root {
  --brand: #ff6600;
  --ink: #1e272e;
  --muted: #5c6670;
  --bg: #f7f8fa;
  --card: #fff;
  --border: #e2e6ea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}

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

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

header img { height: 40px; width: auto; }

header nav a {
  margin-left: 1rem;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 0.35rem;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.1rem;
  margin: 1.75rem 0 0.5rem;
}

p, li { color: var(--ink); }

ul { padding-left: 1.2rem; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 2rem 1rem 2.5rem;
}