:root {
  color-scheme: light dark;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --text: #171a21;
  --muted: #5b6475;
  --border: #dfe4ee;
  --accent: #2457d6;
  --accent-soft: #eaf0ff;
  --code: #f0f2f7;
  --shadow: 0 1px 2px rgba(20, 30, 60, 0.05), 0 10px 30px rgba(20, 30, 60, 0.06);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d12;
    --panel: #131722;
    --text: #eef2fa;
    --muted: #a2adc0;
    --border: #273044;
    --accent: #7ea6ff;
    --accent-soft: #17233d;
    --code: #0f1420;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 18px 50px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background:
    radial-gradient(
      900px 420px at 82% -8%,
      color-mix(in srgb, var(--accent) 13%, transparent),
      transparent 70%
    ),
    var(--bg);
  color: var(--text);
  font:
    16px/1.65 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.skip:focus {
  left: 12px;
  top: 12px;
  z-index: 10;
}

.site-header {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 980px;
  margin: 0 auto;
  padding: 22px 22px 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 680;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 560;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 22px 72px;
}

.hero {
  max-width: 720px;
  padding: 26px 0 10px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin: 0 0 16px;
}

h2 {
  font-size: 23px;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 42px 0 12px;
}

h3 {
  font-size: 17px;
  margin: 26px 0 8px;
}

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

.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 720px;
}

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

.small {
  font-size: 13.5px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  margin: 26px 0 10px;
}

.card {
  display: block;
  padding: 18px 18px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text);
  text-decoration: none;
}

.card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.card strong {
  display: block;
  font-size: 16.5px;
  margin-bottom: 5px;
}

.card span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.note {
  margin: 22px 0;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  background: var(--accent-soft);
  border-radius: 12px;
}

.note p:first-child {
  margin-top: 0;
}

.note p:last-child {
  margin-bottom: 0;
}

.policy {
  max-width: 780px;
}

.policy ul,
.policy ol {
  padding-left: 22px;
}

.policy li {
  margin: 6px 0;
}

.policy table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 22px;
  font-size: 14.5px;
}

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

.policy th {
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom-color: color-mix(in srgb, var(--border) 70%, var(--text));
}

.policy tr:last-child td {
  border-bottom: 0;
}

.policy code {
  font:
    0.9em ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
  background: var(--code);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
}

.policy pre {
  overflow-x: auto;
  padding: 14px 16px;
  background: var(--code);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.policy pre code {
  border: 0;
  padding: 0;
  background: transparent;
}

.policy hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  font-size: 14px;
}

.site-footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 22px 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13.5px;
  display: flex;
  gap: 14px 26px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.site-footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--muted);
}

.updated {
  color: var(--muted);
  font-size: 13.5px;
  margin: -6px 0 24px;
}

@media (max-width: 640px) {
  .site-header {
    padding-top: 16px;
  }
  main {
    padding-top: 8px;
  }
  .policy table,
  .policy thead,
  .policy tbody,
  .policy th,
  .policy td,
  .policy tr {
    display: block;
  }
  .policy thead {
    display: none;
  }
  .policy td {
    border-bottom: 0;
    padding: 2px 0 8px;
  }
  .policy tr {
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }
}