:root {
  color-scheme: light;
  --bg: #f6f3ee;
  --paper: #fffdf9;
  --ink: #24201a;
  --muted: #6f675c;
  --line: #ded6c9;
  --accent: #1d6f78;
  --accent-soft: #dceff1;
  --code: #f0ebe3;
  --warn: #8a4b18;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.crumb {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.hero {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  box-shadow: 0 10px 28px rgba(45, 36, 24, 0.06);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 34px 0 12px;
  font-size: 22px;
}

h3 {
  margin: 22px 0 8px;
  font-size: 17px;
}

p {
  margin: 0 0 14px;
}

.lede {
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pill {
  background: var(--accent-soft);
  border: 1px solid #bfdcdf;
  border-radius: 999px;
  color: #174f56;
  font-size: 13px;
  padding: 4px 10px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.card,
.section {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.card h2,
.card h3 {
  margin-top: 0;
}

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

ul,
ol {
  padding-left: 22px;
  margin-top: 8px;
}

li {
  margin: 6px 0;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

code {
  background: var(--code);
  border-radius: 5px;
  padding: 2px 5px;
}

pre {
  background: #26211b;
  border-radius: 8px;
  color: #f6efe5;
  overflow-x: auto;
  padding: 16px;
}

pre code {
  background: transparent;
  padding: 0;
}

.callout {
  border-left: 4px solid var(--warn);
  color: #4f331f;
  padding: 10px 0 10px 16px;
}

.key-list {
  columns: 2;
  column-gap: 30px;
}

@media (max-width: 720px) {
  .page {
    padding: 24px 16px 48px;
  }

  .hero {
    padding: 24px;
  }

  .key-list {
    columns: 1;
  }
}