:root {
  color-scheme:light;
  --ink:#183c43;
  --muted:#4a666b;
  --teal:#287c80;
  --line:#cedfdb;
  --paper:#f9fbf8;
  --wash:#eaf3ef;
  --gold:#dfb35b;
  scroll-behavior:smooth;
  scroll-padding-top:28px;
}
* {
  box-sizing:border-box;
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Avenir Next",Avenir,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.7;
}
a {
  color:var(--teal);
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}
a:hover {
  color:var(--ink);
}
a:focus-visible {
  outline:3px solid var(--teal);
  outline-offset:5px;
  border-radius:2px;
}
h1,h2,p,ol,ul {
  margin-top:0;
}
h1,h2 {
  font-family:Georgia,"Times New Roman",serif;
  font-weight:400;
  line-height:1.12;
  letter-spacing:-.035em;
}
h1 {
  font-size:clamp(39px,5.1vw,65px);
}
h2 {
  font-size:clamp(27px,3vw,35px);
}
p {
  margin-bottom:1.1em;
}
.wrap {
  width:min(1160px,calc(100% - 64px));
  margin-inline:auto;
}
.skip {
  position:absolute;
  top:8px;
  left:12px;
  padding:8px 16px;
  background:var(--ink);
  color:var(--paper);
  z-index:5;
  transform:translateY(-180%);
}
.skip:focus {
  transform:translateY(0);
}
.site-header {
  border-bottom:1px solid var(--line);
}
.nav {
  min-height:90px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand {
  display:flex;
  align-items:center;
  gap:9px;
  font-weight:750;
  font-size:20px;
  letter-spacing:-.045em;
  text-decoration:none;
  color:var(--ink);
}
.brand img {
  object-fit:contain;
}
.nav-links {
  display:flex;
  gap:32px;
  font-size:14px;
  font-weight:650;
}
.nav-links a {
  text-decoration:none;
}
.nav-links a[aria-current] {
  text-decoration:underline;
  text-underline-offset:8px;
}
.hero {
  background:var(--wash);
  border-bottom:1px solid var(--line);
  padding-block:80px 84px;
}
.hero-grid {
  display:grid;
  grid-template-columns:minmax(0,760px) 1fr;
  gap:75px;
  align-items:center;
}
.eyebrow,.note-label,.section-type {
  font-size:11px;
  font-weight:750;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.eyebrow {
  color:var(--teal);
  margin-bottom:20px;
}
.hero h1 {
  max-width:740px;
  margin-bottom:24px;
}
.hero-intro {
  max-width:660px;
  font-size:20px;
  color:var(--muted);
  line-height:1.6;
  margin:0;
}
.hero-note {
  border-top:3px solid var(--gold);
  padding-top:20px;
}
.hero-note p {
  font-family:Georgia,"Times New Roman",serif;
  font-size:27px;
  line-height:1.4;
  margin-block:20px;
}
.hero-note>span:last-child {
  display:block;
  font-size:13px;
  color:var(--muted);
}
.library-section {
  padding-block:66px 44px;
}
.section-heading {
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:30px;
  margin-bottom:28px;
}
.section-heading h2 {
  font-size:29px;
  margin-bottom:0;
}
.section-heading p {
  font-size:12px;
  color:var(--muted);
  margin-bottom:0;
}
.guide-list {
  list-style:none;
  margin:0;
  padding:0;
}
.guide-list li {
  display:grid;
  grid-template-columns:64px 1fr;
  gap:18px;
  border-top:1px solid var(--line);
  padding-block:28px;
}
.guide-list li:last-child {
  border-bottom:1px solid var(--line);
}
.guide-number {
  font-family:Georgia,"Times New Roman",serif;
  color:var(--teal);
  font-size:25px;
}
.guide-list a {
  font-size:23px;
  font-weight:600;
  line-height:1.35;
  text-decoration:none;
  display:block;
  letter-spacing:-.035em;
}
.guide-list a:hover {
  text-decoration:underline;
}
.guide-list a span {
  font-size:20px;
  margin-left:10px;
}
.guide-list p {
  max-width:760px;
  font-size:15px;
  color:var(--muted);
  margin:8px 0 0;
}
.method-section {
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:60px;
  padding-block:36px 90px;
}
.method-section h2 {
  font-size:30px;
}
.method-section p {
  font-size:16px;
}
.method-section a {
  font-size:15px;
}
.footer {
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:90px;
  border-top:1px solid var(--line);
  padding-block:38px 44px;
}
.footer-brand {
  font-weight:750;
  text-decoration:none;
  color:var(--ink);
}
.footer p {
  font-size:12px;
  color:var(--muted);
  max-width:680px;
  margin-top:12px;
}
.footer>div:last-child {
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:13px;
}
.breadcrumb {
  padding-top:35px;
  font-size:12px;
  color:var(--muted);
  display:flex;
  gap:10px;
}
.article-header {
  padding-block:36px 43px;
  border-bottom:1px solid var(--line);
}
.article-header h1 {
  max-width:920px;
  margin-bottom:25px;
}
.article-deck {
  max-width:770px;
  font-size:21px;
  line-height:1.6;
  color:var(--muted);
  margin-bottom:25px;
}
.byline {
  font-size:12px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  color:var(--muted);
}
.article-layout {
  display:grid;
  grid-template-columns:230px minmax(0,730px);
  gap:85px;
  align-items:start;
  padding-block:46px 0;
}
.contents {
  position:sticky;
  top:28px;
  font-size:13px;
}
.contents ol {
  padding:0;
  list-style:none;
  margin-top:18px;
}
.contents li {
  margin-bottom:13px;
  line-height:1.55;
}
.contents a {
  text-decoration:none;
}
.contents a:hover {
  text-decoration:underline;
}
.contents>p {
  font-size:12px;
  border-top:1px solid var(--line);
  padding-top:18px;
  color:var(--muted);
  max-width:190px;
}
.short-answer {
  background:var(--wash);
  padding:27px 31px;
  margin-bottom:47px;
}
.short-answer p:last-child {
  margin-bottom:0;
  font-size:18px;
  line-height:1.7;
}
.article section {
  margin-bottom:42px;
}
.article h2 {
  margin-bottom:21px;
  font-size:31px;
}
.article .section-type {
  color:var(--teal);
  margin-bottom:10px;
  font-size:10px;
}
.article p {
  line-height:1.8;
}
.checklist {
  padding-left:21px;
}
.checklist li {
  padding-left:7px;
  margin-block:15px;
}
.checklist li::marker {
  color:var(--teal);
}
.article .inline-source {
  font-size:12px;
  line-height:1.65;
  color:var(--muted);
}
.sources {
  border-top:1px solid var(--line);
  padding-top:32px;
}
.sources>p,.sources li {
  font-size:13px;
}
.sources ol {
  padding-left:20px;
}
.sources li {
  padding-left:5px;
  margin-block:20px;
}
.sources li>span {
  display:block;
  color:var(--muted);
  font-size:11px;
  margin-top:5px;
}
.sources li p {
  margin-top:6px;
  font-size:12px;
}
.related {
  padding-block:34px 75px;
}
.related>.eyebrow {
  margin-bottom:8px;
}
.related h2 {
  margin-bottom:28px;
}
.related .guide-list li {
  padding-block:23px;
}
.related .guide-list a {
  font-size:20px;
}
.related .guide-list p {
  font-size:14px;
}
.missing {
  padding-block:90px 110px;
}
.missing h1 {
  max-width:800px;
}
.sources a,.article a {
  overflow-wrap:anywhere;
}
@media(max-width:960px) {
  .hero-grid {
    gap:38px;
    grid-template-columns:2.3fr 1fr;
  }
  .hero-note p {
    font-size:23px;
  }
  .section-heading {
    display:block;
  }
  .section-heading p {
    margin-top:12px;
  }
  .article-layout {
    grid-template-columns:185px minmax(0,1fr);
    gap:38px;
  }
  .hero {
    padding-block:65px;
  }
  .footer {
    gap:45px;
  }
  .method-section {
    gap:35px;
  }
}
@media(max-width:680px) {
  .wrap {
    width:calc(100% - 40px);
  }
  .nav {
    min-height:77px;
    gap:15px;
  }
  .brand {
    font-size:17px;
    gap:6px;
  }
  .brand img {
    width:32px;
    height:32px;
  }
  .nav-links {
    gap:13px;
    font-size:11px;
  }
  .nav-links a:last-child {
    display:none;
  }
  .hero {
    padding-block:47px 40px;
  }
  .hero-grid {
    grid-template-columns:1fr;
    gap:36px;
  }
  .hero h1 {
    font-size:43px;
    line-height:1.08;
  }
  .hero-intro {
    font-size:18px;
  }
  .hero-note {
    display:grid;
    grid-template-columns:1fr 1.6fr;
    gap:12px 24px;
    padding-top:17px;
  }
  .hero-note p {
    font-size:20px;
    margin:0;
    grid-row:span 2;
  }
  .hero-note>span:last-child {
    font-size:11px;
  }
  .library-section {
    padding-block:43px 25px;
  }
  .section-heading h2 {
    font-size:28px;
  }
  .guide-list li {
    grid-template-columns:30px 1fr;
    gap:15px;
    padding-block:24px;
  }
  .guide-list a {
    font-size:21px;
  }
  .guide-list p {
    font-size:14px;
  }
  .guide-number {
    font-size:21px;
  }
  .method-section {
    grid-template-columns:1fr;
    gap:2px;
    padding-block:28px 48px;
  }
  .method-section h2 {
    font-size:28px;
  }
  .footer {
    grid-template-columns:1fr;
    gap:18px;
    padding-block:28px;
  }
  .footer>div:last-child {
    flex-direction:row;
    flex-wrap:wrap;
    gap:18px;
    font-size:11px;
  }
  .breadcrumb {
    padding-top:24px;
    font-size:11px;
    gap:7px;
  }
  .article-header {
    padding-block:30px;
  }
  .article-header h1 {
    font-size:40px;
    line-height:1.13;
  }
  .article-deck {
    font-size:18px;
  }
  .byline {
    font-size:11px;
    gap:5px;
  }
  .article-layout {
    grid-template-columns:1fr;
    gap:30px;
    padding-top:28px;
  }
  .contents {
    position:static;
  }
  .contents ol {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:11px 22px;
    margin-bottom:0;
  }
  .contents li {
    margin:0;
    font-size:12px;
  }
  .contents>p {
    display:none;
  }
  .short-answer {
    padding:22px;
    margin-bottom:32px;
  }
  .short-answer p:last-child {
    font-size:17px;
  }
  .article {
    font-size:16px;
    min-width:0;
  }
  .article h2 {
    font-size:28px;
  }
  .article section {
    margin-bottom:34px;
  }
  .related {
    padding-block:12px 42px;
  }
  .related h2 {
    font-size:30px;
  }
  .related .guide-list a {
    font-size:18px;
  }
  .missing {
    padding-block:60px;
  }
}
@media(prefers-reduced-motion:reduce) {
  :root {
    scroll-behavior:auto;
  }
}
@media print {
  .nav-links,.contents,.related,.skip {
    display:none;
  }
  .article-layout {
    display:block;
  }
  .wrap {
    width:100%;
  }
  .site-header {
    border:0;
  }
  .article {
    font-size:12pt;
  }
  .article-header h1 {
    font-size:32pt;
  }
  .footer {
    display:block;
  }
  .short-answer {
    border:1px solid var(--line);
  }
}