:root {
  --bg: #f7f6f2;
  --paper: #fff;
  --text: #1b1e1f;
  --muted: #505b61;
  --line: #d9ddd8;
  --link: #0d4f8b;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 18px;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(180deg, #faf8f2 0%, #f3f2eb 100%);
  overflow-wrap: anywhere;
}

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

a:hover,
a:focus {
  text-decoration-thickness: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.4rem 0.6rem;
}

.wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.2rem 1rem 3rem;
}

header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
  margin-bottom: 1.4rem;
}

.brand {
  font-size: 1rem;
  margin: 0;
  color: var(--muted);
}

h1 {
  margin: 0.5rem 0;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.2;
}

h2 {
  margin-top: 2rem;
  font-size: 1.4rem;
  line-height: 1.25;
}

h3 {
  font-size: 1.1rem;
  margin-top: 1.3rem;
}

p,
li {
  max-width: 70ch;
}

nav ul {
  padding-left: 1.1rem;
  margin: 0.4rem 0 0;
}

nav li {
  margin: 0.2rem 0;
}

.muted {
  color: var(--muted);
}

.disclaimer {
  border: 1px solid var(--line);
  background: #fdfcf9;
  padding: 0.8rem;
  margin: 1rem 0 1.5rem;
}

.card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 1rem;
  margin: 0.9rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0;
  table-layout: fixed;
}

th,
td {
  border: 1px solid var(--line);
  text-align: left;
  padding: 0.55rem;
  vertical-align: top;
  overflow-wrap: anywhere;
}

footer {
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
  padding: 1rem;
  line-height: 1.5;
}

@media (max-width: 700px) {
  html {
    font-size: 16px;
  }

  .wrapper {
    padding: 1rem 0.8rem 2rem;
  }

  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}