:root {
  color-scheme: light;
  --paper: #f7f6f2;
  --forest: #173b32;
  --ink: #202820;
  --muted: #6d746c;
  --rule: #d9ded3;
  --soft: #e9eee5;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body, img, svg { max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: 4px; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--forest); outline-offset: 5px; }
::selection { background: #d6e0c6; color: var(--forest); }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 10; background: var(--forest); color: white; padding: 12px 20px; }
.skip-link:focus { top: 16px; }

.reader-header { position: sticky; top: 0; z-index: 5; background: rgba(247, 246, 242, .97); border-bottom: 1px solid var(--rule); }
.reader-header-inner { max-width: 1380px; margin: auto; padding: 24px 52px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.reader-brand { font-family: var(--serif); font-size: 25px; font-weight: 400; letter-spacing: -.9px; color: var(--forest); text-decoration: none; }
.reader-brand em { font-weight: 400; }
.header-edition, .reader-kicker { font-size: 10px; font-weight: 600; line-height: 1.6; letter-spacing: 1.8px; text-transform: uppercase; }
.header-edition { color: var(--muted); }
.back-link { display: flex; gap: 12px; align-items: center; font-size: 12px; font-weight: 500; text-decoration: none; }
.back-link > span:first-child { font-size: 22px; font-weight: 400; }
.reading-progress { height: 2px; position: absolute; right: 0; left: 0; bottom: -1px; }
.reading-progress span { display: block; height: 100%; background: var(--forest); transform: scaleX(0); transform-origin: left; }

.reader-shell { max-width: 1240px; margin: auto; padding: 0 52px 96px; }
.reader-intro { padding: 62px 0 34px; }
.reader-intro > .reader-kicker { margin: 0 0 16px; color: var(--forest); }
.reader-intro h1 { max-width: 1060px; margin: 0; font-family: var(--serif); font-size: clamp(42px, 5.7vw, 76px); font-weight: 400; letter-spacing: -2.7px; line-height: 1.08; text-wrap: balance; overflow-wrap: break-word; }
.reader-intro h1 em { color: var(--forest); font-weight: 400; }
.reader-description { max-width: 730px; margin: 24px 0 0; color: #677164; font-family: var(--serif); font-size: 23px; line-height: 1.55; }
.reader-byline { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 0; margin: 27px 0 0; padding: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.reader-byline li + li::before { content: "·"; padding: 0 12px; color: #8d9687; }
.editorial-note { display: flex; align-items: flex-start; gap: 12px; max-width: 970px; margin: 0 0 34px; }
.note-symbol { display: inline-flex; flex: 0 0 16px; height: 16px; align-items: center; justify-content: center; margin-top: 3px; border: 1px solid #a4af9a; border-radius: 50%; color: var(--muted); font: italic 11px var(--serif); }
.editorial-note p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
.availability-note { max-width: 970px; margin: 0 0 34px; padding: 16px 20px; border-left: 2px solid #8b927b; background: #eeeee5; color: #58644f; font-size: 11px; line-height: 1.75; }
.availability-note strong { display: block; margin-bottom: 4px; color: var(--forest); font-weight: 500; }
.availability-note p { margin: 0; }
.source-content .link-retired { cursor: auto; text-decoration: none; }
.source-content .link-retired-action { display: inline-block; margin: 8px 0 20px; color: var(--muted); font: 500 11px/1.6 var(--sans); }
.reader-hero { margin: 0 0 58px; }
.reader-hero img { display: block; width: 100%; height: auto; aspect-ratio: 2.3; object-fit: cover; background: var(--soft); border: 1px solid var(--rule); }
.reader-hero figcaption { display: flex; justify-content: space-between; gap: 24px; margin-top: 11px; color: var(--muted); font-size: 9px; line-height: 1.6; letter-spacing: .5px; }
.reader-hero figcaption > span:last-child { text-align: right; }

.reader-layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; align-items: start; column-gap: 76px; }
.reader-article, .reader-sidebar { min-width: 0; }
.reader-sidebar { position: sticky; top: 110px; }
.sidebar-inner { max-height: calc(100vh - 138px); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: #c5cebe transparent; padding-right: 8px; }
.sidebar-heading { display: flex; justify-content: space-between; align-items: center; padding-bottom: 15px; border-bottom: 1px solid var(--forest); color: var(--forest); }
.sidebar-heading > span:last-child { font-size: 22px; }
.guide-facts { display: grid; grid-template-columns: 82px minmax(0, 1fr); gap: 13px 12px; margin: 24px 0 28px; font-size: 11px; line-height: 1.5; }
.guide-facts dt { color: var(--muted); }
.guide-facts dd { margin: 0; overflow-wrap: anywhere; }
.reader-toc { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 19px 0; }
.reader-toc summary { display: flex; justify-content: space-between; align-items: center; gap: 15px; list-style: none; cursor: pointer; font-size: 12px; font-weight: 500; }
.reader-toc summary::-webkit-details-marker { display: none; }
.reader-toc summary span { font-size: 20px; font-weight: 400; line-height: 1; }
.reader-toc[open] summary span { transform: rotate(45deg); }
.reader-toc ol { list-style: none; counter-reset: sections; display: grid; gap: 15px; margin: 24px 0 0; padding: 0; }
.reader-toc li { display: grid; grid-template-columns: 19px minmax(0, 1fr); gap: 10px; counter-increment: sections; align-items: baseline; }
.reader-toc li::before { content: counter(sections, decimal-leading-zero); color: #8b9583; font-size: 9px; font-variant-numeric: tabular-nums; }
.reader-toc a { color: var(--muted); text-decoration: none; font-size: 11px; line-height: 1.6; transition: color .15s; }
.reader-toc a:hover, .reader-toc a[aria-current="location"] { color: var(--forest); }
.reader-toc a[aria-current="location"] { font-weight: 600; }
.original-link { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 23px; color: var(--forest); font-size: 11px; font-weight: 500; text-decoration: none; line-height: 1.5; }
.original-link span { font-size: 19px; }
.sidebar-footnote { margin: 14px 0 22px; color: var(--muted); font-size: 10px; line-height: 1.75; }
.sidebar-top { color: var(--muted); font-size: 10px; text-decoration: none; }

.source-content { font-family: var(--serif); font-size: 18px; line-height: 1.85; overflow-wrap: anywhere; }
.source-content > :first-child { margin-top: 0; }
.source-content p { margin: 0 0 1.35em; }
.source-content h1, .source-content h2, .source-content h3, .source-content h4, .source-content h5, .source-content h6 { color: var(--forest); font-weight: 400; line-height: 1.25; overflow-wrap: break-word; }
.source-content h1, .source-content h2 { margin: 1.75em 0 .7em; font-size: 32px; letter-spacing: -.9px; }
.source-content h3 { margin: 1.6em 0 .7em; font-size: 24px; letter-spacing: -.5px; }
.source-content h4, .source-content h5, .source-content h6 { margin: 1.5em 0 .75em; font-size: 20px; }
.source-content a { color: var(--forest); text-decoration-thickness: 1px; text-decoration-color: #98ab91; transition: text-decoration-color .15s; }
.source-content a:hover { text-decoration-color: var(--forest); }
.source-content a[rel~="sponsored"] { text-decoration-style: solid; }
.source-content ul, .source-content ol { margin: 1em 0 1.6em; padding-left: 1.35em; }
.source-content li { padding-left: .25em; margin: .4em 0; }
.source-content li::marker { color: #718264; }
.source-content img { display: block; width: 100%; height: auto; max-height: 660px; object-fit: contain; margin: 30px 0; background: #eeeee8; }
.source-content figure { margin: 32px 0; }
.source-content figcaption { font-family: var(--sans); font-size: 11px; color: var(--muted); line-height: 1.6; }
.source-content blockquote { border-left: 2px solid #7b9268; margin: 32px 0; padding: 12px 0 12px 26px; color: var(--forest); font-size: 24px; font-style: italic; line-height: 1.6; }
.source-content blockquote > :last-child { margin-bottom: 0; }
.source-content hr { margin: 36px 0; border: 0; border-top: 1px solid var(--rule); }
.source-content .table-scroll { width: 100%; margin: 30px 0; overflow-x: auto; border: 1px solid var(--rule); }
.source-content table { border-collapse: collapse; width: 100%; font-family: var(--sans); font-size: 12px; line-height: 1.65; }
.source-content th, .source-content td { padding: 14px 17px; min-width: 115px; border-bottom: 1px solid var(--rule); vertical-align: top; text-align: left; }
.source-content th { background: var(--soft); color: var(--forest); font-weight: 600; }
.source-content tbody tr:last-child td { border-bottom: 0; }
.source-content code, .source-content pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .8em; }
.source-content pre { overflow-x: auto; padding: 20px; background: var(--soft); white-space: pre; }
.source-content details { margin: 24px 0; padding: 18px 20px; background: var(--soft); }
.source-content summary { color: var(--forest); cursor: pointer; }
.source-content .product-grid, .source-content .stats-grid, .source-content .benefits-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.source-content .product-card { min-width: 0; margin: 16px 0; padding: 22px; border: 1px solid var(--rule); background: #f0f1e9; }
.source-content .product-card h3 { margin-top: 0; }
.source-content .product-card img { aspect-ratio: 1; object-fit: contain; }
.source-content .product-example-note { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--rule); color: var(--muted); font: 11px/1.7 var(--sans); }
.source-content .cta-button, .source-content .btn, .source-content .btn-primary, .source-content .product-link { display: inline-block; padding: 12px 18px; margin: 8px 0 20px; background: var(--forest); color: var(--paper); font: 500 11px/1.6 var(--sans); text-decoration: none; }
.source-content .image-unavailable { display: block; margin: 28px 0; padding: 16px; border: 1px solid var(--rule); color: var(--muted); font: 11px/1.7 var(--sans); }
.source-content .content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 28px 0; }
.source-content .content-grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.source-content .content-grid > * { min-width: 0; }
.source-content .content-stack { display: grid; gap: 18px; margin: 28px 0; }
.source-content .content-panel { padding: 24px; margin: 24px 0; border: 1px solid var(--rule); background: #eff1e8; }
.source-content .content-grid > .content-panel, .source-content .content-stack > .content-panel { margin: 0; }
.source-content .content-panel > :first-child { margin-top: 0; }
.source-content .content-panel h3:first-child { margin-top: 0; }
.source-content .content-panel > :last-child { margin-bottom: 0; }
.source-content .content-grid h2, .source-content .content-grid h3, .source-content .content-panel h3 { font-size: 23px; }
.source-content .content-grid p { font: 12px/1.8 var(--sans); }
.source-content .content-panel a.cta-button { display: inline-flex; align-items: center; gap: 22px; margin-bottom: 0; }
.source-content a.content-panel { display: block; color: var(--forest); text-decoration: none; transition: background .2s; }
.source-content a.content-panel:hover { background: #e1e7d8; }
.source-content .content-grid img { margin: 0 0 15px; aspect-ratio: 1.35; object-fit: cover; }
.source-content .article-tags { border-top: 1px solid var(--rule); padding-top: 24px; font: 11px/1.8 var(--sans); color: var(--muted); }
.reader-hero > .image-unavailable { display: block; padding: 30px; border: 1px solid var(--rule); color: var(--muted); font-size: 12px; }
@media (max-width: 900px) { .source-content .content-grid-three { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 540px) {
  .source-content .content-grid { grid-template-columns: 1fr; gap: 14px; }
  .source-content .content-panel { padding: 20px; }
  .source-content .content-grid h3, .source-content .content-panel h3 { font-size: 24px; }
}

.reader-state { min-height: 250px; padding: 35px 0 60px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.reader-state h2 { font-family: var(--serif); font-size: 34px; font-weight: 400; color: var(--forest); line-height: 1.2; }
.loading-rule { display: block; width: 70px; height: 1px; background: var(--forest); }
.state-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px 24px; margin-top: 27px; }
.reader-button { display: inline-flex; justify-content: space-between; align-items: center; gap: 22px; border: 1px solid var(--forest); background: var(--forest); padding: 12px 20px; color: var(--paper); font-size: 12px; cursor: pointer; }
.reader-button:hover { background: #235146; }
.reader-text-link { color: var(--forest); font-size: 11px; font-family: var(--sans); font-weight: 500; }
.reader-text-link span { margin-left: 10px; }
.article-end { border-top: 1px solid var(--rule); margin: 54px 0 0; padding: 42px 0 0; text-align: center; }
.end-mark { display: inline-block; color: var(--forest); font: italic 25px var(--serif); letter-spacing: -2px; }
.article-end p { font-family: var(--serif); font-size: 26px; margin: 16px 0; color: var(--forest); }

.reader-footer { background: #e9ede3; padding: 46px 52px 24px; border-top: 1px solid #d6dece; }
.reader-footer-inner, .reader-footer-bottom { max-width: 1136px; margin: auto; display: flex; justify-content: space-between; gap: 32px; }
.reader-footer-inner p { font-size: 11px; line-height: 1.8; color: var(--muted); margin: 13px 0; }
.reader-footer-links { display: grid; grid-template-columns: repeat(2, auto); align-content: start; gap: 17px 32px; padding-top: 5px; font-size: 10px; }
.reader-footer-links a { text-decoration: none; }
.reader-footer-links a:hover { text-decoration: underline; }
.reader-footer-bottom { padding-top: 28px; margin-top: 24px; border-top: 1px solid #ccd5c4; font-size: 9px; color: var(--muted); letter-spacing: .3px; }

@media (min-width: 1400px) {
  .reader-intro { padding-top: 78px; }
}

@media (max-width: 1000px) {
  .reader-header-inner { padding-right: 32px; padding-left: 32px; }
  .reader-shell { padding-right: 32px; padding-left: 32px; }
  .reader-layout { grid-template-columns: minmax(0, 1fr) 218px; column-gap: 38px; }
  .header-edition { display: none; }
  .reader-intro h1 { font-size: 62px; }
  .reader-description { font-size: 22px; }
  .reader-footer { padding-right: 32px; padding-left: 32px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 85px; }
  .reader-header-inner { padding: 19px 24px; gap: 14px; }
  .reader-brand { font-size: 23px; }
  .back-link { font-size: 10px; gap: 8px; white-space: nowrap; }
  .reader-shell { padding: 0 24px 60px; }
  .reader-intro { padding-top: 36px; padding-bottom: 25px; }
  .reader-intro > .reader-kicker { font-size: 9px; letter-spacing: 1.5px; }
  .reader-intro h1 { font-size: clamp(37px, 7.8vw, 56px); letter-spacing: -1.6px; line-height: 1.1; }
  .reader-description { margin-top: 19px; font-size: 21px; }
  .reader-byline { margin-top: 21px; font-size: 10px; }
  .editorial-note { margin-bottom: 24px; }
  .reader-hero { margin-bottom: 28px; }
  .reader-hero img { aspect-ratio: 1.55; }
  .reader-hero figcaption { font-size: 8px; gap: 14px; }
  .reader-layout { display: flex; flex-direction: column; gap: 34px; }
  .reader-article, .reader-sidebar { width: 100%; }
  .reader-sidebar { position: static; order: -1; }
  .sidebar-inner { max-height: none; overflow: visible; padding: 0; }
  .sidebar-heading, .guide-facts, .sidebar-footnote, .sidebar-top { display: none; }
  .reader-toc { padding: 16px 0; }
  .reader-toc ol { max-height: 280px; overflow-y: auto; padding-right: 12px; gap: 14px; }
  .reader-toc a { font-size: 12px; }
  .original-link { margin-top: 16px; font-size: 10px; }
  .source-content { font-size: 18px; line-height: 1.8; }
  .source-content h1, .source-content h2 { font-size: 29px; }
  .source-content h3 { font-size: 23px; }
  .source-content blockquote { font-size: 22px; padding-left: 21px; }
  .reader-footer { padding: 36px 24px 22px; }
  .reader-footer-inner { flex-direction: column; gap: 22px; }
  .reader-footer-links { justify-content: start; column-gap: 34px; }
}

@media (max-width: 420px) {
  .reader-header-inner { padding-right: 18px; padding-left: 18px; }
  .reader-brand { font-size: 20px; letter-spacing: -.8px; }
  .back-link { gap: 5px; }
  .back-link > span:first-child { font-size: 17px; }
  .reader-shell { padding-right: 20px; padding-left: 20px; }
  .reader-intro h1 { font-size: 38px; }
  .reader-description { font-size: 20px; }
  .reader-byline { column-gap: 10px; }
  .reader-byline li + li::before { content: none; }
  .source-content .product-grid, .source-content .stats-grid, .source-content .benefits-grid { grid-template-columns: 1fr; }
  .reader-footer-bottom { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}