:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #16161a;
  --muted: #6b6b73;
  --line: rgba(0, 0, 0, 0.1);
  --card: rgba(0, 0, 0, 0.035);
  --accent: #6d6dfa;
  --accent2: #8a45e8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131316;
    --fg: #f2f2f7;
    --muted: #9a9aa4;
    --line: rgba(255, 255, 255, 0.13);
    --card: rgba(255, 255, 255, 0.05);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0 24px 80px;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
}

/* --- header ------------------------------------------------------------- */

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 28px 0 0;
}

header.site img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

header.site a.name {
  font-weight: 640;
  font-size: 17px;
  color: inherit;
  text-decoration: none;
  letter-spacing: -0.01em;
}

nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-size: 14px;
}

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

nav a:hover,
nav a[aria-current='page'] {
  color: var(--fg);
}

/* --- hero --------------------------------------------------------------- */

.hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}

.hero img.mark {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  margin-bottom: 22px;
}

h1 {
  margin: 0 0 12px;
  font-size: 38px;
  line-height: 1.15;
  font-weight: 680;
  letter-spacing: -0.025em;
}

.lede {
  margin: 0;
  font-size: 18px;
  color: var(--muted);
  max-width: 32em;
}

/* --- content ------------------------------------------------------------ */

h2 {
  margin: 40px 0 10px;
  font-size: 20px;
  font-weight: 640;
  letter-spacing: -0.015em;
}

h3 {
  margin: 26px 0 6px;
  font-size: 16px;
  font-weight: 620;
}

p,
li {
  margin: 0 0 12px;
}

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

li::marker {
  color: var(--muted);
}

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

.meta {
  color: var(--muted);
  font-size: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 18px 0;
}

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

/* A plain definition list reads better than a table for "what we send and
   why", and it reflows on a phone instead of scrolling sideways. */
dl {
  margin: 16px 0;
}

dt {
  font-weight: 620;
  margin-top: 14px;
}

dd {
  margin: 2px 0 0;
  color: var(--muted);
}

code {
  font: 13.5px/1.5 ui-monospace, 'SF Mono', Menlo, monospace;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
}

footer.site {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

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

@media (max-width: 560px) {
  h1 {
    font-size: 30px;
  }
  .hero {
    padding: 36px 0 28px;
  }
}