:root {
  --bg: #f7f6f3;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #ddd9d0;
  --accent: #1f4d3a;
  --card: #ffffff;
  --max: 42rem;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

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

header,
main,
footer {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

header {
  padding: 2rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

header .brand {
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--accent);
  text-decoration: none;
}

header nav {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  font-size: 0.92rem;
}

main {
  padding: 1.5rem 0 2.5rem;
}

h1 {
  font-size: clamp(1.45rem, 4vw, 1.85rem);
  line-height: 1.25;
  margin: 0 0 0.35rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
}

h2 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.45rem;
}

p,
li {
  font-size: 0.98rem;
  color: #222;
}

ul {
  padding-left: 1.2rem;
  margin: 0.4rem 0 0.8rem;
}

li {
  margin: 0.3rem 0;
}

.note {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin: 1rem 0 1.25rem;
  font-size: 0.95rem;
}

footer {
  padding: 1.25rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}