:root {
  --green: #0f6e56;
  --green-tint: #e1f5ee;
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --faint: #9a9a9a;
  --bg: #ffffff;
  --surface: #f7f7f5;
  --border: rgba(0, 0, 0, 0.08);
  --radius: 16px;
  --maxw: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --green: #1f9e7c;
    --green-tint: #11332b;
    --ink: #f2f4f3;
    --muted: #a6adaa;
    --faint: #6f7773;
    --bg: #0b0f0d;
    --surface: #161a18;
    --border: rgba(255, 255, 255, 0.1);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial,
    sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 22px 96px;
}

/* Brand glow header */
header.brand {
  position: relative;
  text-align: center;
  padding: 56px 22px 40px;
  overflow: hidden;
}

header.brand::before {
  content: '';
  position: absolute;
  inset: -40% 0 auto 0;
  height: 420px;
  background: radial-gradient(60% 70% at 50% 0%, var(--green-tint), transparent 70%);
  z-index: 0;
}

header.brand > * {
  position: relative;
  z-index: 1;
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: var(--green-tint);
  color: var(--green);
  font-size: 30px;
  margin-bottom: 14px;
}

.brand h1 {
  font-size: 17px;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--green);
  font-weight: 700;
}

.doc-title {
  font-size: 30px;
  line-height: 1.2;
  margin: 6px 0 4px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.updated {
  color: var(--faint);
  font-size: 14px;
  margin: 0;
}

.lead {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 8px 0 28px;
  color: var(--muted);
}

.lead strong {
  color: var(--ink);
}

h2 {
  font-size: 21px;
  margin: 38px 0 10px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 17px;
  margin: 22px 0 6px;
}

p,
li {
  color: var(--ink);
}

a {
  color: var(--green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  padding-left: 22px;
}

li {
  margin: 6px 0;
}

.callout {
  border-left: 3px solid var(--green);
  background: var(--green-tint);
  border-radius: 10px;
  padding: 14px 18px;
  margin: 18px 0;
  color: var(--ink);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 15px;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
}

footer {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-size: 14px;
  text-align: center;
}

footer a {
  margin: 0 8px;
}

.home-links {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.home-links a {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--ink);
}

.home-links a:hover {
  text-decoration: none;
  border-color: var(--green);
}

.home-links .t {
  font-weight: 600;
  color: var(--green);
}

.home-links .d {
  color: var(--muted);
  font-size: 15px;
}