:root {
  color-scheme: light;
  --bg: #f6f0e5;
  --surface: #fffaf2;
  --ink: #17211b;
  --muted: #5d6a65;
  --line: #e5d9c8;
  --accent: #1f7a68;
  --accent-strong: #125a50;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
}

main {
  margin: 0 auto;
  max-width: 820px;
  padding: 42px 20px 64px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 36px;
}

nav a,
a {
  color: var(--accent-strong);
  font-weight: 750;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  margin-right: auto;
  text-decoration: none;
}

.hero {
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
  padding-bottom: 26px;
}

h1 {
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1;
  margin: 0 0 14px;
}

h2 {
  font-size: 22px;
  margin: 34px 0 12px;
}

p,
li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}

ul {
  padding-left: 22px;
}

.lede {
  color: var(--ink);
  font-size: 20px;
  max-width: 680px;
}

.effective {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 20px 0;
  padding: 18px 20px;
}

.link-list {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  list-style: none;
  padding: 0;
}

.link-list a {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: block;
  padding: 16px;
  text-decoration: none;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  margin-top: 42px;
  padding-top: 18px;
}