:root {
  --bg: #f5f1e8;
  --paper: #fffdf8;
  --ink: #1f2a2e;
  --muted: #5f6b70;
  --line: #d7d0c2;
  --accent: #2f6b62;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top right, #fff8e9 0%, var(--bg) 50%, #ece6d8 100%);
  color: var(--ink);
  line-height: 1.6;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.2rem 3rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.6rem;
}

nav a {
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.95rem;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.4rem;
}

h1 {
  margin: 0 0 0.8rem;
  font-size: 1.9rem;
  line-height: 1.2;
}

h2 {
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
  font-size: 1.2rem;
}

p {
  margin: 0.6rem 0;
}

ul {
  margin: 0.6rem 0 0.6rem 1.1rem;
  padding: 0;
}

footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.small {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.6rem;
  }

  .card {
    padding: 1rem;
  }
}