:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --ink: #16181c;
  --muted: #5b6068;
  --line: #e3e1da;
  --accent: #1d6b4f;
  --accent-ink: #ffffff;
  --accent-soft: #cfe9db;
  --max: 68rem;
  --prose: 40rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --surface: #181b1e;
    --ink: #eceae4;
    --muted: #9ba1a8;
    --line: #2a2e33;
    --accent: #9fdcbf;
    --accent-ink: #0d1a14;
    --accent-soft: #1b3027;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* header and footer */

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.logo {
  display: block;
  line-height: 0;
}

.logo-svg {
  display: block;
  width: auto;
  height: 2rem;
}

.logo-lead {
  fill: var(--ink);
}

.logo-track {
  fill: var(--accent);
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9375rem;
}

.site-header nav a:hover {
  color: var(--ink);
}

.site-footer {
  margin-top: 6rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding-top: 2rem;
  padding-bottom: 2.5rem;
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  gap: 1.5rem;
}

/* home */

.hero {
  padding: 4.5rem 0 3.5rem;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
}

h1 {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.lede {
  max-width: 36rem;
  margin: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 1.1875rem;
}

.button {
  display: inline-block;
  padding: 0.8rem 1.3rem;
  border-radius: 0.5rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
}

.button:hover {
  filter: brightness(1.08);
}

section {
  padding: 3rem 0;
}

h2 {
  margin: 0 0 1.75rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 700;
}

.steps h3,
.principles h3 {
  margin: 0 0 0.4rem;
  font-size: 1.0625rem;
}

.steps p,
.principles p {
  margin: 0;
  color: var(--muted);
  font-size: 0.975rem;
}

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 2rem 2.5rem;
}

.principles div {
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
}

.closing {
  padding: 2.5rem;
  border-radius: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

.closing h2 {
  margin-bottom: 0.75rem;
}

.closing p {
  max-width: 34rem;
  margin: 0 0 1.5rem;
  color: var(--muted);
}

/* prose pages */

.prose {
  max-width: var(--prose);
  padding-top: 3rem;
}

.prose h1 {
  max-width: none;
  font-size: clamp(2rem, 5vw, 2.75rem);
}

.prose .updated {
  margin: 0.75rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.prose h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.25rem;
}

.prose h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.0625rem;
}

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

.prose ul {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.prose table {
  width: 100%;
  margin: 1rem 0;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.prose th,
.prose td {
  padding: 0.6rem 0.75rem 0.6rem 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

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

.table-scroll {
  overflow-x: auto;
}

@media (max-width: 40rem) {
  .hero {
    padding-top: 2.5rem;
  }
  .closing {
    padding: 1.75rem;
  }
}