:root {
  --bg: #f7f5f0;
  --paper: #ffffff;
  --ink: #1d252b;
  --muted: #5a6470;
  --line: #d9d4ca;
  --accent: #1f5958;
  --accent-soft: #eef4f3;
  --warn: #8c4e28;
  --max: 1120px;
  --measure: 760px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 18px/1.68 Georgia, "Times New Roman", serif;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #153e3d;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 245, 240, 0.96);
  backdrop-filter: saturate(130%) blur(6px);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font: 700 18px/1.2 system-ui, -apple-system, Segoe UI, sans-serif;
  letter-spacing: 0.02em;
}

.brand span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font: 500 14px/1.2 system-ui, -apple-system, Segoe UI, sans-serif;
}

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

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--ink);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 24px 96px;
}

.hero {
  max-width: 920px;
  padding: 30px 0 28px;
}

.eyebrow,
.note-date {
  margin: 0 0 14px;
  color: var(--accent);
  font: 700 13px/1.2 system-ui, -apple-system, Segoe UI, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

h1 {
  margin-bottom: 22px;
  font-size: 54px;
}

h2 {
  margin: 52px 0 16px;
  font-size: 32px;
}

h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

p,
li {
  max-width: var(--measure);
}

p {
  margin: 0 0 18px;
}

.lead {
  max-width: 860px;
  font-size: 23px;
  line-height: 1.55;
  color: #273038;
}

.kicker,
.small,
.doc-meta {
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--muted);
}

.kicker {
  font-size: 16px;
}

.small,
.doc-meta {
  font-size: 14px;
  line-height: 1.45;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
  margin: 28px 0;
}

.card {
  grid-column: span 6;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.card.full {
  grid-column: 1 / -1;
}

.card.third {
  grid-column: span 4;
}

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

.doc-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.button {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: transparent;
  color: var(--accent);
  text-decoration: none;
  font: 700 14px/1 system-ui, -apple-system, Segoe UI, sans-serif;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.muted {
  border-color: var(--line);
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  background: #f1eee7;
  font-weight: 700;
}

tr:last-child td {
  border-bottom: 0;
}

.callout {
  max-width: var(--measure);
  margin: 28px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
}

.callout.warning {
  border-left-color: var(--warn);
  background: #f7efe9;
}

.list-clean {
  max-width: var(--measure);
  padding-left: 1.2rem;
}

.list-clean li {
  margin: 0.35rem 0;
}

article {
  max-width: var(--measure);
}

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

code {
  padding: 0.1em 0.25em;
  border-radius: 4px;
  background: #f1eee8;
}

pre {
  overflow: auto;
  padding: 16px;
  border-radius: 12px;
  background: #f1eee8;
  font-size: 14px;
}

.site-footer {
  padding: 30px 24px 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 14px/1.55 system-ui, -apple-system, Segoe UI, sans-serif;
}

.site-footer .inner {
  max-width: var(--max);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.footer-title {
  margin: 0 0 6px;
  color: var(--ink);
  font-weight: 700;
}

@media (max-width: 760px) {
  body {
    font-size: 17px;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    gap: 12px;
  }

  main {
    padding-top: 34px;
  }

  h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 20px;
  }

  .card,
  .card.third,
  .card.full {
    grid-column: 1 / -1;
  }

  .doc-card,
  .footer-grid {
    display: block;
  }
}