:root {
  --bg: #f4f1ea;
  --surface: #fffdf8;
  --ink: #1c1915;
  --muted: #4a453c;
  --line: #ddd4c4;
  --navy: #10243f;
  --navy-2: #1b3a63;
  --link: #0c3d73;
  --link-hover: #082848;
  --accent: #8a3b12;
  --focus: #b45309;
  --ok: #14532d;
  --warn-bg: #fff6e8;
  --max: 72rem;
  --measure: 42rem;
  --space: 1.25rem;
  --font: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  transform: translateY(-160%);
  background: #fff;
  color: var(--navy);
  padding: 0.6rem 0.9rem;
  z-index: 20;
  border-radius: 0.35rem;
  font-weight: 700;
}

.skip:focus {
  transform: none;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  background: var(--navy);
  color: #f8fafc;
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
}

.brand span {
  display: block;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: #d6e2f2;
}

.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

.nav-toggle:focus-visible + .nav-toggle-label {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.nav-toggle-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  min-width: 2.75rem;
  padding: 0.4rem 0.85rem;
  border: 2px solid #d6e2f2;
  border-radius: 0.4rem;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0 0 1rem;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-toggle:checked ~ .nav-list {
  display: flex;
}

.nav-list a {
  display: block;
  color: #f8fafc;
  text-decoration: none;
  padding: 0.55rem 0.35rem;
  border-radius: 0.35rem;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  background: var(--navy-2);
  color: #fff;
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 2rem 0 1rem;
}

.hero-copy h1,
.page-head h1 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 40rem;
}

.hero-art {
  background: var(--navy);
  border-radius: 1rem;
  padding: 1rem;
}

.hero-art img {
  width: min(100%, 34rem);
  margin-inline: auto;
}

.section {
  padding: 1.25rem 0 2rem;
}

.section h2 {
  font-size: 1.45rem;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1.1rem 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.card h2,
.card h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.3;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card .more {
  margin-top: auto;
  font-weight: 700;
}

.kicker {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.crumbs {
  font-size: 0.92rem;
  margin: 0 0 0.8rem;
}

.crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  padding: 0;
  margin: 0;
}

.prose {
  max-width: var(--measure);
}

.prose h2 {
  margin-top: 2rem;
}

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

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.note {
  background: var(--warn-bg);
  border-left: 4px solid var(--focus);
  padding: 0.85rem 1rem;
  border-radius: 0.4rem;
  margin: 1.25rem 0;
}

.table-scroll {
  overflow-x: auto;
  margin: 1rem 0 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 36rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--line);
}

th {
  background: #efe8db;
  font-size: 0.92rem;
}

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

.steps {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: grid;
  gap: 0.75rem;
}

.steps li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
}

.steps strong {
  display: block;
}

.related {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.figure {
  margin: 1.25rem 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.75rem;
}

.figure figcaption {
  font-size: 0.92rem;
  color: var(--muted);
  margin-top: 0.45rem;
}

.site-footer {
  background: var(--navy);
  color: #e7eef7;
  padding: 1.75rem 0 2rem;
  margin-top: 1rem;
}

.site-footer a {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 1.25rem;
}

.site-footer h2 {
  font-size: 0.95rem;
  margin: 0 0 0.4rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer p {
  margin: 0.35rem 0;
  color: #d5e1f0;
  font-size: 0.95rem;
}

.small {
  font-size: 0.92rem;
  color: var(--muted);
}

@media (max-width: 899px) {
  .header-bar {
    flex-wrap: wrap;
  }

  .site-header nav {
    flex: 1 1 100%;
  }
}

@media (min-width: 768px) {
  .hero {
    padding-top: 2.5rem;
  }

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

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .nav-toggle-label {
    display: none;
  }

  .nav-list {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: 0.15rem;
  }

  .header-bar {
    gap: 1.5rem;
  }
}

@media (min-width: 1100px) {
  .hero {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }

  .card-grid.three {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 374px) {
  .wrap {
    width: min(100% - 1.25rem, var(--max));
  }

  body {
    font-size: 1rem;
  }
}