:root {
  --paper: #fafaf8;
  --ink: #24262b;
  --ink-muted: color-mix(in srgb, var(--ink) 66%, transparent);
  --ink-faint: color-mix(in srgb, var(--ink) 12%, transparent);
  --surface: color-mix(in srgb, var(--ink) 4.5%, transparent);
  --link: AccentColor;
  --radius: 10px;
  --radius-panel: 14px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1a1b1e;
    --ink: #e4e2dd;
    --surface: color-mix(in srgb, var(--ink) 6%, transparent);
    --link: color-mix(in srgb, AccentColor 65%, var(--ink));
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 ui-serif, "New York", Georgia, serif;
}

h1, h2, h3, nav, .button, .meta, summary, th {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
}

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

.wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 680px; }

header.site {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0;
}
header.site a.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none; font: 600 17px -apple-system, system-ui, sans-serif;
}
header.site img { border-radius: 8px; }
nav a { margin-left: 20px; font-size: 15px; color: var(--ink-muted); text-decoration: none; }
nav a:hover { color: var(--ink); }

.hero { text-align: center; padding: 56px 0 32px; }
.hero h1 {
  font-size: clamp(36px, 7vw, 64px); line-height: 1.05; letter-spacing: -0.03em;
  margin: 0 auto 20px; max-width: 14em; font-weight: 700;
}
.hero p.lede { font-size: 20px; color: var(--ink-muted); max-width: 34em; margin: 0 auto 32px; }

.button {
  display: inline-block; padding: 12px 24px; border-radius: 999px;
  background: var(--ink); color: var(--paper); text-decoration: none;
  font-size: 16px; font-weight: 600;
}
.button:hover { opacity: 0.88; }
.button.secondary { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink-faint); margin-left: 8px; }
.meta { font-size: 14px; color: var(--ink-muted); margin-top: 16px; }

figure { margin: 0; }
figure img {
  display: block; width: 100%; height: auto;
  border-radius: var(--radius-panel); box-shadow: 0 0 0 1px var(--ink-faint), 0 20px 50px -20px rgb(0 0 0 / 0.35);
}
figcaption { font-size: 14px; color: var(--ink-muted); text-align: center; margin-top: 12px; font-family: -apple-system, system-ui, sans-serif; }
.hero-shot { margin: 24px auto 0; }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0 0; }

section { padding: 56px 0 0; }
h2 { font-size: 32px; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 20px; }
h3 { font-size: 18px; margin: 0 0 4px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.features div { background: var(--surface); border-radius: var(--radius-panel); padding: 20px; }
.features p { margin: 0; color: var(--ink-muted); font-size: 16px; line-height: 1.5; }

ol.steps { padding-left: 1.2em; }
ol.steps li { margin-bottom: 8px; }

code, kbd {
  font: 0.9em ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--surface); border-radius: 6px; padding: 0.1em 0.4em;
}

details { border-top: 1px solid var(--ink-faint); padding: 16px 0; }
details:last-of-type { border-bottom: 1px solid var(--ink-faint); }
summary { cursor: pointer; font-weight: 600; font-size: 17px; }
details p { margin: 12px 0 0; color: var(--ink-muted); }

table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { text-align: left; padding: 8px 12px 8px 0; border-bottom: 1px solid var(--ink-faint); vertical-align: top; }

footer { margin-top: 80px; padding: 32px 0 48px; border-top: 1px solid var(--ink-faint); color: var(--ink-muted); font-size: 14px; font-family: -apple-system, system-ui, sans-serif; }
footer a { color: var(--ink-muted); margin-right: 16px; }

@media (max-width: 640px) {
  .pair { grid-template-columns: 1fr; }
  nav a:not(.keep) { display: none; }
  .button.secondary { margin: 12px 0 0; }
}

/* Article pages */
.article { padding-top: 24px; }
.article h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 16px; }
.article h2 { font-size: 26px; margin: 40px 0 12px; }
.article h3 { font-size: 17px; margin: 24px 0 8px; }
.article .lede { font-size: 20px; color: var(--ink-muted); }
.article .date { font: 400 14px -apple-system, system-ui, sans-serif; color: var(--ink-muted); margin-left: 8px; }
.article pre { background: var(--surface); border-radius: var(--radius); padding: 14px 16px; overflow-x: auto; margin: 0; }
.article pre code { background: none; padding: 0; font-size: 14px; line-height: 1.5; }
.article ul { padding-left: 1.2em; }
.article li { margin-bottom: 6px; }
.article td:first-child { font-weight: 600; white-space: nowrap; padding-right: 16px; }