:root {
  --ink: #102d3a;
  --muted: #4c606b;
  --blue: #164bdb;
  --light: #eef4fa;
  --line: #d6e0e8;
  --bs-body-color: var(--ink);
  --bs-body-font-family: Arial, Helvetica, sans-serif;
  --bs-link-color: #174ac1;
  --bs-border-radius: .5rem
}
body {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: #fff
}
a {
  text-underline-offset: .22em
}
a:hover {
  color: #0a2b84
}
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
  outline: 3px solid #c54800 !important;
  outline-offset: 4px !important;
  box-shadow: none !important
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -8rem;
  background: #fff;
  padding: 1rem;
  z-index: 1100
}
.skip-link:focus {
  top: 1rem
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff
}
.navbar {
  padding: 1.2rem 0
}
.brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
  line-height: 1.15
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--blue);
  color: #fff;
  border-radius: .45rem;
  font-size: 1.3rem
}
.brand small {
  display: block;
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-top: .3rem;
  font-weight: 600;
  color: var(--muted)
}
.nav-link {
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink);
  padding: .65rem .8rem !important
}
.nav-link[aria-current=page] {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 2px
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 1rem
}
h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -.035em;
  font-weight: 750
}
h1 {
  font-size: clamp(2.35rem, 5vw, 4.6rem);
  max-width: 16ch
}
h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem)
}
h3 {
  font-size: 1.35rem;
  letter-spacing: -.02em
}
.hero {
  padding: 4rem 0 3.5rem;
  background: linear-gradient(110deg, #f0f6ff 0%, #f7faff 75%, #fff 100%);
  border-bottom: 1px solid var(--line)
}
.hero p.lead {
  font-size: 1.18rem;
  max-width: 55ch;
  color: var(--muted)
}
.btn-primary {
  --bs-btn-bg: var(--blue);
  --bs-btn-border-color: var(--blue);
  --bs-btn-hover-bg: #1039ab;
  --bs-btn-hover-border-color: #1039ab;
  padding: .8rem 1.3rem;
  font-weight: 700
}
.btn-outline-dark {
  padding: .8rem 1.3rem;
  font-weight: 700
}
.intro-panel {
  border-left: 3px solid var(--blue);
  padding: 1.2rem 0 1.2rem 1.6rem;
  margin: 1rem 0
}
.intro-panel .stat {
  font-size: 3rem;
  line-height: 1;
  font-weight: 750;
  color: var(--blue)
}
.section-pad {
  padding: 3.5rem 0
}
.section-intro {
  max-width: 45rem;
  color: var(--muted)
}
.topic-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: .6rem;
  background: #fff;
  text-decoration: none;
  color: var(--ink);
  transition: border-color .15s, background-color .15s
}
.topic-card:hover {
  border-color: var(--blue);
  background: #f5f8ff;
  color: var(--ink)
}
.topic-card .number {
  font-size: .8rem;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: .1em;
  margin-bottom: 1.5rem
}
.topic-card p {
  color: var(--muted);
  font-size: 1rem;
  flex: 1
}
.topic-card .card-link {
  font-size: .94rem;
  font-weight: 700;
  color: var(--blue)
}
.blue-band {
  background: #112f45;
  color: white
}
.blue-band .eyebrow {
  color: #a9c8ff
}
.principle {
  border-top: 1px solid #688297;
  padding-top: 1rem
}
.principle p {
  color: #d5e2ec;
  font-size: 1rem
}
.split-section {
  background: var(--light)
}
.text-muted-custom {
  color: var(--muted)
}
.site-footer {
  background: #f3f6f8;
  border-top: 1px solid var(--line);
  padding: 3rem 0 1.5rem
}
.site-footer a {
  color: #203f5a;
  font-size: .95rem
}
.site-footer p {
  font-size: .9rem;
  color: var(--muted)
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  margin-top: 2rem
}
.breadcrumb {
  font-size: .9rem;
  margin-bottom: 1.4rem
}
.page-intro {
  padding: 2.6rem 0 2.8rem;
  background: #f1f6fc;
  border-bottom: 1px solid var(--line)
}
.page-intro h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  max-width: 24ch
}
.page-intro .lead {
  max-width: 65ch;
  font-size: 1.13rem;
  color: var(--muted)
}
.article-layout {
  padding: 3rem 0 4rem
}
.toc {
  border-left: 2px solid var(--line);
  padding-left: 1.2rem
}
.toc h2 {
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted)
}
.toc a {
  display: block;
  padding: .35rem 0;
  font-size: .94rem;
  text-decoration: none;
  color: var(--ink)
}
.toc a:hover {
  text-decoration: underline
}
.article-body {
  max-width: 53rem
}
.article-body section {
  margin-bottom: 3rem;
  scroll-margin-top: 1rem
}
.article-body h2 {
  font-size: 1.8rem;
  margin-bottom: 1.1rem
}
.article-body h3 {
  margin: 1.6rem 0 .65rem
}
.article-body li {
  margin-bottom: .45rem
}
.article-body p {
  margin-bottom: 1rem
}
.note {
  padding: 1.2rem 1.4rem;
  border-left: 4px solid var(--blue);
  background: #eef4ff;
  margin: 1.5rem 0
}
.note p:last-child {
  margin-bottom: 0
}
.checklist {
  list-style: none;
  padding: 0
}
.checklist li {
  position: relative;
  padding-left: 1.7rem
}
.checklist li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #07583c;
  font-weight: 700
}
.related {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem
}
.source {
  font-size: .93rem;
  color: var(--muted)
}
.table {
  --bs-table-color: var(--ink);
  font-size: 1rem
}
.table th {
  background: #edf3fb
}
.table td, .table th {
  padding: .9rem;
  vertical-align: top
}
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: .3rem 0
}
.faq-item summary {
  padding: 1rem 2rem 1rem 0;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.5
}
.faq-item[open] {
  padding-bottom: 1rem
}
.faq-item p {
  padding-right: 1rem
}
.reference-item {
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line)
}
.reference-item h3 {
  margin: 0 0 .5rem
}
.reference-item p {
  margin: 0;
  color: var(--muted)
}
.tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  padding: .15rem .5rem;
  background: #e7eefc;
  color: #174297;
  border-radius: 4px;
  margin-bottom: .6rem
}
.reading-meta {
  font-size: .88rem;
  color: var(--muted);
  margin-top: 1rem
}
.navbar-toggler {
  min-height: 44px;
  min-width: 44px
}
main:focus {
  outline: none
}
img {
  max-width: 100%
}
@media(min-width:992px) {
  .toc {
    position: sticky;
    top: 2rem
  }
  .hero {
    padding: 4.2rem 0
  }
  .nav-link {
    padding-left: .7rem !important;
    padding-right: .7rem !important
  }
}
@media(max-width:575px) {
  .hero {
    padding: 2.6rem 0
  }
  .section-pad {
    padding: 2.5rem 0
  }
  .brand {
    font-size: 1rem
  }
  .brand small {
    font-size: .7rem
  }
  .topic-card {
    padding: 1.3rem
  }
  .article-layout {
    padding-top: 2rem
  }
  .site-header .container {
    padding-left: 1rem;
    padding-right: 1rem
  }
}
@media(prefers-reduced-motion:reduce) {
  *, *:before, *:after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important
  }
}
@media print {
  .site-header, .site-footer, .toc, .breadcrumb, .related, .skip-link {
    display: none !important
  }
  .page-intro {
    background: white;
    padding: 0;
    border: 0
  }
  .article-layout {
    padding: 0
  }
  .article-body {
    max-width: none
  }
  .col-lg-9 {
    width: 100%
  }
  a {
    color: #000
  }
  .faq-item {
    break-inside: avoid
  }
}
.row.g-5 {
  --bs-gutter-x: 1.5rem
}
@media(max-width:575px) {
  .site-header .brand small {
    display: none
  }
  .site-header .brand {
    font-size: .95rem
  }
  .site-header .brand-mark {
    width: 2rem;
    height: 2rem
  }
  .site-footer .brand {
    font-size: 1rem
  }
}