:root {
  --ink: #10201c;
  --muted: #4b5f59;
  --line: #dfe7e4;
  --paper: #fbfcfb;
  --accent: #0f7a5c;
  --accent-soft: #e6f3ee;
  --max: 68rem;
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

header.site {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand .mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

nav.site {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

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

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

.hero {
  padding: 5rem 0 4rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  max-width: 16ch;
}

.hero p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 2rem;
}

.button {
  display: inline-block;
  padding: 0.8rem 1.3rem;
  border-radius: 0.6rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

section.block {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
}

section.block h2 {
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}

section.block > .wrap > p {
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 1.25rem 1.3rem;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.contact {
  background: var(--accent-soft);
  border-radius: 1rem;
  padding: 2rem;
}

.contact p {
  margin: 0.25rem 0;
}

footer.site {
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
  font-size: 0.9rem;
  color: var(--muted);
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

footer.site nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

article.doc {
  padding: 3rem 0 4rem;
}

article.doc .wrap {
  max-width: 46rem;
}

article.doc h1 {
  font-size: 2rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.25rem;
}

article.doc .updated {
  color: var(--muted);
  margin: 0 0 2rem;
}

article.doc h2 {
  font-size: 1.2rem;
  margin: 2.25rem 0 0.5rem;
}

article.doc li {
  margin: 0.3rem 0;
}

article.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 0.75rem 0;
}

article.doc th,
article.doc td {
  text-align: left;
  vertical-align: top;
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 40rem) {
  nav.site {
    gap: 0.9rem;
    font-size: 0.9rem;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}