:root {
  color-scheme: light;
  --seo-ink: #17211c;
  --seo-muted: #57645d;
  --seo-faint: #7c8781;
  --seo-line: rgba(23, 33, 28, 0.15);
  --seo-line-strong: rgba(23, 33, 28, 0.24);
  --seo-accent: #16728d;
  --seo-surface: #edf1ef;
  --seo-dark: #15211b;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--seo-surface); scroll-behavior: smooth; }
body[data-seo-guide='true'] {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  color: var(--seo-ink);
  background:
    radial-gradient(circle at 92% 0%, rgba(22, 114, 141, 0.055), transparent 33rem),
    var(--seo-surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--seo-accent); outline-offset: 4px; }
.seo-guide-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.seo-skip-link { position: fixed; z-index: 10; top: 8px; left: 8px; padding: 10px 14px; color: #fff; background: var(--seo-dark); transform: translateY(-160%); transition: transform 160ms ease; }
.seo-skip-link:focus { transform: translateY(0); }
.seo-site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--seo-line);
}
.seo-brand { display: grid; grid-template-columns: 18px auto; column-gap: 8px; text-decoration: none; line-height: 1.08; }
.seo-brand > span:first-child { grid-row: 1 / span 2; color: var(--seo-accent); }
.seo-brand svg { width: 18px; height: 18px; }
.seo-brand strong { font-size: 16px; font-weight: 760; }
.seo-brand > span:last-child { margin-top: 4px; color: var(--seo-muted); font-size: 12px; }
.seo-site-header nav { display: flex; align-items: center; gap: 25px; }
.seo-site-header nav a { min-height: 44px; display: inline-flex; align-items: center; font-size: 13px; font-weight: 700; text-underline-offset: 4px; }
.seo-site-map-link,
.seo-map-cta {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 0 22px;
  border-radius: 999px;
  color: #fff;
  background: var(--seo-dark);
  text-decoration: none;
  font-size: 13px;
  font-weight: 760;
  transition: transform 180ms cubic-bezier(.16, 1, .3, 1), background-color 180ms ease;
}
.seo-site-map-link:hover,
.seo-map-cta:hover { color: #fff; background: #24382e; transform: translateY(-2px); }
.seo-breadcrumbs { padding: 33px 0 0; color: var(--seo-faint); font-size: 12px; }
.seo-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.seo-breadcrumbs li + li::before { margin-right: 8px; color: var(--seo-line-strong); content: '/'; }
.seo-breadcrumbs a { color: var(--seo-ink); text-underline-offset: 3px; }
.seo-guide article { padding: 88px 0 0; }
.seo-article-header { display: grid; grid-template-columns: minmax(0, 1fr) minmax(330px, .86fr); align-items: end; gap: clamp(48px, 8vw, 104px); padding-bottom: 88px; border-bottom: 1px solid var(--seo-line-strong); }
.seo-article-heading { align-self: end; }
.seo-eyebrow { margin: 0 0 18px; color: var(--seo-accent); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.seo-article-heading h1 { max-width: 670px; margin: 0; font-size: clamp(50px, 6vw, 76px); font-weight: 820; letter-spacing: -.06em; line-height: .95; text-wrap: balance; }
.seo-lead { max-width: 660px; margin: 24px 0 27px; color: var(--seo-muted); font-size: clamp(18px, 2vw, 21px); line-height: 1.47; }
.seo-hero-image { position: relative; margin: 0; overflow: hidden; background: #d8ddda; aspect-ratio: 4 / 5; }
.seo-hero-image img { width: 100%; height: 100%; object-fit: cover; }
.seo-hero-image figcaption { position: absolute; right: 0; bottom: 0; max-width: 90%; padding: 7px 9px; color: rgba(255, 255, 255, .88); background: rgba(10, 16, 13, .7); font-size: 10px; }
.seo-copy-stack { width: min(820px, 100%); margin: 0 auto; }
.seo-copy-section { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 72px; padding: 72px 0; border-bottom: 1px solid var(--seo-line); scroll-margin-top: 20px; }
.seo-copy-section h2 { margin: 0; font-size: 27px; font-weight: 790; letter-spacing: -.035em; line-height: 1.13; text-wrap: balance; }
.seo-copy-section p { grid-column: 2; margin: 0 0 20px; color: var(--seo-muted); font-size: 16px; line-height: 1.65; }
.seo-copy-section p:last-of-type { margin-bottom: 0; }
.seo-detail-list { grid-column: 2; margin: 24px 0 0; padding: 0; border-top: 1px solid var(--seo-line); list-style: none; }
.seo-detail-list li { position: relative; padding: 14px 8px 14px 24px; border-bottom: 1px solid var(--seo-line); color: var(--seo-muted); font-size: 14px; line-height: 1.5; }
.seo-detail-list li::before { position: absolute; top: 19px; left: 2px; width: 10px; height: 10px; border: 2px solid var(--seo-accent); content: ''; transform: rotate(45deg); }
.seo-link-section { width: min(980px, 100%); margin: 0 auto; padding: 76px 0 48px; }
.seo-link-section h2 { margin: 0 0 28px; font-size: 34px; letter-spacing: -.04em; }
.seo-link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--seo-line-strong); }
.seo-link-grid a { min-height: 108px; display: grid; grid-template-columns: 1fr auto; align-content: center; column-gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--seo-line); text-decoration: none; }
.seo-link-grid a:nth-child(odd) { padding-right: 48px; }
.seo-link-grid a:nth-child(even) { padding-left: 48px; }
.seo-link-grid strong { font-size: 16px; line-height: 1.3; }
.seo-link-grid span { color: var(--seo-faint); font-size: 13px; line-height: 1.4; }
.seo-link-grid i { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-style: normal; transition: transform 180ms cubic-bezier(.16, 1, .3, 1); }
.seo-link-grid a:hover i { transform: translate(3px, -3px); }
.seo-sources { width: min(980px, 100%); margin: 0 auto; padding: 48px 0 88px; }
.seo-sources h2 { margin: 0 0 24px; color: var(--seo-muted); font-size: 32px; letter-spacing: -.04em; }
.seo-sources p { margin: 0 0 18px; color: var(--seo-muted); font-size: 14px; }
.seo-sources ul { margin: 0; padding: 0; list-style: none; }
.seo-sources li + li { margin-top: 6px; }
.seo-sources a { font-size: 13px; text-underline-offset: 4px; }
.seo-site-footer { min-height: 138px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--seo-line-strong); color: var(--seo-faint); font-size: 12px; }
.seo-site-footer a { color: var(--seo-ink); font-size: 13px; font-weight: 760; text-underline-offset: 4px; }

@media (max-width: 900px) {
  .seo-guide-shell { width: calc(100% - 48px); }
  .seo-guide article { padding-top: 72px; }
  .seo-article-header { gap: 48px; padding-bottom: 54px; }
  .seo-article-heading h1 { font-size: clamp(46px, 7.6vw, 64px); }
  .seo-copy-section { grid-template-columns: 180px minmax(0, 1fr); gap: 48px; }
}

@media (max-width: 720px) {
  .seo-guide-shell { width: calc(100% - 28px); }
  .seo-site-header { min-height: 64px; }
  .seo-site-header nav a:not(.seo-site-map-link) { display: none; }
  .seo-site-map-link { min-height: 42px; padding: 0 17px; }
  .seo-breadcrumbs { padding-top: 23px; }
  .seo-guide article { padding-top: 48px; }
  .seo-article-header { grid-template-columns: 1fr; gap: 34px; padding-bottom: 48px; }
  .seo-article-heading h1 { font-size: clamp(39px, 13vw, 58px); line-height: .98; }
  .seo-lead { margin-top: 21px; font-size: 18px; line-height: 1.47; }
  .seo-map-cta { width: 100%; justify-content: space-between; }
  .seo-hero-image { aspect-ratio: 4 / 3; }
  .seo-copy-stack { width: 100%; }
  .seo-copy-section { display: block; padding: 42px 0; }
  .seo-copy-section h2 { margin-bottom: 25px; font-size: 25px; }
  .seo-copy-section p { font-size: 16px; line-height: 1.6; }
  .seo-detail-list { margin-top: 25px; }
  .seo-link-section { padding: 50px 0 30px; }
  .seo-link-section h2 { font-size: 28px; }
  .seo-link-grid { grid-template-columns: 1fr; }
  .seo-link-grid a:nth-child(n) { min-height: 96px; padding: 18px 0; }
  .seo-sources { padding: 38px 0 68px; }
  .seo-sources h2 { max-width: 270px; font-size: 29px; }
  .seo-site-footer { min-height: 126px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

@media print {
  body[data-seo-guide='true'] { background: #fff; }
  .seo-site-header nav, .seo-map-cta, .seo-site-footer { display: none; }
  .seo-guide-shell, .seo-copy-stack, .seo-link-section, .seo-sources { width: 100%; }
  .seo-article-header, .seo-copy-section { break-inside: avoid; }
}