:root {
  --clay: #86513F;
  --ink: #1C1B22;
  --ink-soft: #4A4854;
  --paper: #F7F6F3;
  --line: #E4E0DA;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

header,
main,
footer {
  max-width: 720px;
  margin: 0 auto;
}

header {
  padding: 64px 24px 32px;
}

main {
  padding: 8px 24px 100px;
}

footer {
  padding: 0 24px 64px;
  font-size: 13px;
  color: var(--ink-soft);
}

p, li {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0;
}

p + p {
  margin-top: 12px;
}

ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

li { margin-bottom: 8px; }
li::marker { color: var(--clay); }

a {
  color: var(--clay);
  text-decoration: underline;
  text-decoration-color: rgba(134,81,63,0.35);
  text-underline-offset: 2px;
}

a:hover { text-decoration-color: var(--clay); }

code {
  font-family: "Courier New", monospace;
  font-size: 0.9em;
  background: rgba(134,81,63,0.08);
  padding: 2px 6px;
  border-radius: 5px;
  color: var(--clay);
}

/* Home */

/* Wordmark row. The home page sets it in an h1, since Playgrid is that page's title;
   the document pages set it in a span and keep the h1 for the document title. */

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

a.brand {
  color: var(--ink);
  text-decoration: none;
  width: fit-content;
}

.brand .mark {
  display: block;
  width: 64px;
  height: 64px;
}

.brand-name {
  font-weight: 700;
  font-size: 28px;
  letter-spacing: -0.01em;
  margin: 0;
}

/* Home */

.home-header {
  padding-bottom: 24px;
}

.home {
  padding-top: 0;
  padding-bottom: 64px;
}

.intro {
  font-size: 17px;
  max-width: 52ch;
  margin: 0 0 28px;
}

.pages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pages a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  text-decoration: none;
  color: var(--clay);
  font-weight: 650;
  font-size: 16px;
}

.pages a:hover {
  border-color: var(--clay);
  background: rgba(134,81,63,0.04);
}

/* Legal and support pages */

.doc-header .brand {
  margin-bottom: 20px;
}

.doc-header h1 {
  font-weight: 700;
  font-size: clamp(32px, 5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.sub {
  color: var(--ink-soft);
  font-size: 17px;
  margin: 0;
  max-width: 52ch;
}

.updated {
  margin-top: 24px;
  font-size: 13px;
  color: var(--ink-soft);
}

.controller {
  margin-top: 20px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: inline-block;
}

.controller-label {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.controller-line {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
}

.callout {
  border-radius: 16px;
  padding: 24px 26px;
  margin: 0 0 48px;
  background: rgba(134,81,63,0.05);
  border: 1px solid var(--line);
}

.callout p {
  margin: 0;
  font-size: 17px;
  color: var(--ink);
}

.callout strong {
  font-weight: 650;
}

.doc {
  counter-reset: section;
}

.doc section {
  counter-increment: section;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.doc section:first-of-type {
  border-top: none;
}

.doc h2 {
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.005em;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Section numbers are drawn from a counter, so adding or reordering a section
   never leaves a hand-typed number behind. */
.doc h2::before {
  content: counter(section, decimal-leading-zero);
  font-family: "Courier New", monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--clay);
  background: rgba(134,81,63,0.10);
  padding: 4px 9px;
  border-radius: 6px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

/* Footer */

footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 10px;
}

footer .mark {
  display: block;
  width: 22px;
  height: 22px;
}

footer .copyright {
  margin-left: auto;
}

@media (max-width: 480px) {
  header { padding: 48px 20px 24px; }
  main { padding: 8px 20px 80px; }
  footer { padding: 0 20px 48px; }
  .home { padding-bottom: 48px; }
}