/* Public knowledge pages share the homepage's dark green and antique gold. */
.knowledge-page .header { position: relative; }
.knowledge-page .header nav { margin-left: 0; }
.knowledge-page .header nav a[aria-current="page"] { color: var(--gold-light); }
.knowledge-main { max-width: 1120px; margin: auto; padding: 40px var(--gutter) 90px; min-height: 75vh; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--muted); margin-bottom: 64px; }
.breadcrumbs a:hover { color: var(--gold-light); }
.knowledge-eyebrow { font: 11px/1.7 Arial, sans-serif; letter-spacing: 2px; color: var(--gold); }
.knowledge-main h1 { font: clamp(32px, 4vw, 54px)/1.4 var(--serif); margin: 20px 0 25px; letter-spacing: 1px; }
.knowledge-summary { max-width: 48em; color: #c1cbbd; font-size: 17px; line-height: 2; }
.knowledge-meta { margin-top: 24px; color: #9da994; font-size: 12px; }
.knowledge-body { margin-top: 44px; padding-top: 12px; border-top: 1px solid var(--line); }
.knowledge-body section { margin-top: 32px; }
.knowledge-body h2 { font: 26px/1.6 var(--serif); color: var(--gold-light); margin-bottom: 16px; }
.knowledge-body p { font-size: 16px; line-height: 2.05; color: #c1cbbd; margin: 12px 0; }
.knowledge-links { list-style: none; padding: 0; margin: 45px 0 0; border-top: 1px solid var(--line); }
.knowledge-links li { border-bottom: 1px solid var(--line); }
.knowledge-links a { display: grid; grid-template-columns: 1fr auto; gap: 10px 28px; padding: 26px 0; }
.knowledge-links strong { font: 26px/1.5 var(--serif); }
.knowledge-links p { font-size: 15px; line-height: 1.9; color: var(--text-secondary); max-width: 48em; }
.knowledge-links .link-arrow { grid-column: 2; grid-row: 1 / 3; align-self: center; font-size: 26px; color: var(--gold); transition: transform .2s; }
.knowledge-links a:hover .link-arrow { transform: translateX(5px); }
.knowledge-links a:hover strong { color: var(--gold-light); }
.faq-list { margin-top: 42px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; padding: 22px 34px 22px 0; font-size: 18px; line-height: 1.7; position: relative; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 20px; font-size: 26px; color: var(--gold); }
.faq-list details[open] summary { color: var(--gold-light); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 28px 24px 0; color: #c1cbbd; font-size: 16px; line-height: 2; }
.faq-list summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.related-reading { margin-top: 48px; display: flex; flex-wrap: wrap; gap: 20px; }
.related-reading a { font-size: 14px; color: var(--gold-light); border-bottom: 1px solid #64745f; padding-bottom: 8px; }
.knowledge-page footer { gap: 24px; flex-wrap: wrap; }
.knowledge-page footer nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: 13px; color: var(--text-secondary); }
.knowledge-page .error-code { font: 90px/1 Georgia, serif; color: var(--gold); margin: 50px 0 20px; }
.site-footer-links { display: flex; gap: 22px; font-size: 12px; color: var(--text-secondary); }
.site-footer-links a:hover { color: var(--gold-light); }
@media (max-width: 800px) {
  .knowledge-page .header nav { display: flex; gap: 16px; }
  .knowledge-page .header nav a { font-size: 12px; }
  .knowledge-page .brand-name > span { display: none; }
  .knowledge-main { padding-top: 28px; padding-bottom: 55px; }
  .breadcrumbs { margin-bottom: 42px; }
  .knowledge-summary { font-size: 16px; }
  .knowledge-body h2 { font-size: 23px; }
  .knowledge-links strong { font-size: 23px; }
  .site-footer-links { gap: 16px; }
}
@media (max-width: 480px) {
  .knowledge-page .header nav { gap: 12px; }
  .knowledge-page .brand svg { display: none; }
  .knowledge-page .brand-name { font-size: 22px; }
  .faq-list summary { font-size: 16px; }
}

/* Learning journal: editorial pages with readable text and visible sources. */
.guides-main { max-width: 1440px; margin: auto; padding: 40px var(--gutter) 90px; }
.guides-heading { position: relative; padding-bottom: 42px; }
.guides-heading h1 { font: clamp(46px, 5.6vw, 82px)/1.25 var(--serif); letter-spacing: 2px; margin: 24px 0; }
.guides-heading h1 > span { color: var(--gold-light); }
.guides-heading .knowledge-summary { position: absolute; bottom: 62px; right: 0; font-size: 16px; }
.guide-jump { display: flex; flex-wrap: wrap; gap: 30px; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.guide-jump a { color: #c5cebb; font-size: 14px; }
.guide-jump a span { margin-left: 10px; color: var(--gold); font: 11px Georgia, serif; }
.guide-jump a:hover { color: var(--gold-light); }
.featured-guide { display: grid; grid-template-columns: 1.25fr 1fr; gap: 70px; align-items: center; padding: 50px; margin: 48px 0 64px; background: #122b26; border: 1px solid #354d3a; }
.featured-guide h2 { font: clamp(29px, 3.2vw, 45px)/1.5 var(--serif); letter-spacing: 1px; margin-top: 20px; }
.featured-guide > div > p { margin-top: 20px; max-width: 28em; color: var(--text-secondary); font-size: 15px; line-height: 1.9; }
.featured-guide .primary-link { margin-top: 28px; }
.learning-route { list-style: none; margin: 0; padding: 0; }
.learning-route li { display: flex; gap: 22px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.learning-route li:last-child { border-bottom: 0; }
.learning-route li > span { font: 14px/2 Georgia, serif; color: var(--gold); }
.learning-route strong { font: 21px/1.5 var(--serif); }
.learning-route p { font-size: 13px; line-height: 1.8; color: var(--text-secondary); margin-top: 5px; }
.guide-section-heading { display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: 20px; margin-bottom: 26px; }
.guide-section-heading h2 { font: clamp(28px, 3vw, 42px)/1.5 var(--serif); letter-spacing: 1px; }
.guide-section-heading > a { font-size: 14px; line-height: 2; color: var(--gold-light); }
.guide-collection { margin-top: 58px; scroll-margin-top: 32px; }
.guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.method-grid, .story-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.guide-card { display: flex; flex-direction: column; min-width: 0; padding: 29px; border: 1px solid #35483a; background: #11241f; transition: border-color .2s, background .2s; }
.guide-card:hover { border-color: var(--gold); background: #172e27; }
.guide-card-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--gold); }
.guide-card-meta > span { font: 10px/1.7 Georgia, serif; letter-spacing: 1px; color: #9eac97; }
.guide-card h3 { font: 25px/1.65 var(--serif); margin: 22px 0 12px; text-wrap: pretty; }
.guide-card > p { color: var(--text-secondary); font-size: 14px; line-height: 1.9; padding-bottom: 26px; }
.guide-card-action { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 17px; border-top: 1px solid var(--line); color: #c4cfb8; font-size: 12px; }
.guide-card-action > span { font-size: 23px; color: var(--gold); }
.hub-about { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; border-top: 1px solid var(--line); margin-top: 65px; padding-top: 42px; }
.hub-about h2 { font: 32px/1.6 var(--serif); margin-top: 16px; }
.hub-about p { font-size: 15px; line-height: 2; color: var(--text-secondary); }
.hub-about nav { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 25px; }
.hub-about a { font-size: 14px; color: var(--gold-light); }
.home-guides { padding: 58px var(--gutter) 65px; background: #0d201c; border-top: 1px solid var(--line-soft); }
.home-guides .guide-section-heading { margin-top: 42px; }
.article-main { max-width: 1360px; margin: auto; padding: 40px var(--gutter) 80px; }
.article-heading { max-width: 1040px; padding-bottom: 44px; }
.article-heading h1 { font: clamp(32px, 3.7vw, 54px)/1.5 var(--serif); margin: 19px 0 22px; letter-spacing: 1px; text-wrap: balance; }
.article-deck { font-size: 18px; line-height: 1.9; color: var(--text-secondary); }
.article-layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 64px; align-items: start; border-top: 1px solid var(--line); padding-top: 35px; }
.article-toc { position: sticky; top: 35px; }
.article-toc > span { color: var(--gold); }
.article-toc ol { list-style: decimal-leading-zero; margin: 18px 0 0; padding-left: 24px; }
.article-toc li { color: #93a38d; font-size: 13px; line-height: 1.8; padding: 0 0 17px 6px; }
.article-toc a:hover { color: var(--gold-light); }
.article-prose { min-width: 0; max-width: 800px; }
.article-prose p, .article-prose li { font-size: 17px; line-height: 2; color: #c3cdbb; }
.article-prose p { margin: 16px 0; overflow-wrap: anywhere; }
.article-prose ul, .article-prose ol { padding-left: 24px; }
.article-prose li { margin: 8px 0; }
.article-prose > section { margin-top: 46px; scroll-margin-top: 35px; }
.article-prose h2 { font: 29px/1.65 var(--serif); color: var(--white); margin-bottom: 19px; }
.article-prose h3 { font: 22px/1.6 var(--serif); margin-top: 13px; color: var(--gold-light); }
.article-answer { padding: 25px 28px; border-left: 2px solid var(--gold); background: #172c24; }
.article-answer > span { font-size: 12px; color: var(--gold); letter-spacing: 1px; }
.article-answer > p { margin: 12px 0 0; color: #e0e4d3; }
.source-inline { display: block; width: fit-content; max-width: 100%; font-size: 12px; line-height: 1.9; color: #c6b488; margin-top: 8px; text-decoration: underline; text-decoration-color: #82774f; text-underline-offset: 4px; overflow-wrap: anywhere; }
.source-inline:hover { color: var(--gold-light); }
.article-table { max-width: 100%; overflow: auto; margin: 25px 0; }
.article-table:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.article-table table { width: 100%; min-width: 530px; border-collapse: collapse; font-size: 14px; line-height: 1.9; }
.article-table caption { text-align: left; color: var(--gold); font-size: 13px; margin-bottom: 13px; }
.article-table th, .article-table td { text-align: left; vertical-align: top; padding: 17px 16px; border: 1px solid #3a4d3b; color: #c7cfbd; }
.article-table thead th { background: #1d352a; color: #e0d3ad; font-weight: 500; }
.article-table tbody th { width: 24%; font-weight: 500; color: #dbdfcb; background: #14281f; }
.article-table td { background: #10221d; }
.article-table .source-inline { font-size: 11px; }
.reading-exercise { padding: 26px 28px; margin: 30px 0; border: 1px solid #687457; background: #142920; }
.reading-exercise > span { color: var(--gold); font-size: 10px; }
.reading-exercise p:last-child { margin-bottom: 0; }
.article-note { padding: 20px 24px; border-left: 2px solid #b3986b; background: #2a2e21; margin: 23px 0; }
.article-note > strong { font-size: 14px; line-height: 1.9; color: #d8c7a0; font-weight: 500; }
.article-note p { margin: 10px 0 0; }
.copy-template { margin-top: 16px; padding: 18px 21px; border: 1px dashed #657451; background: #10221c; font-size: 16px; line-height: 2; color: #d3dcc6; user-select: all; }
.concept-flow { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 30px 0 14px; padding: 24px 20px; border: 1px solid #46573f; }
.concept-flow > span { font: 20px/1.6 var(--serif); text-align: center; color: var(--gold-light); }
.concept-flow small { display: block; font: 12px/1.8 var(--sans); color: var(--text-secondary); margin-top: 8px; }
.concept-flow b { font-weight: 400; color: #96a781; }
.article-prose .figure-note { font-size: 12px; line-height: 1.8; color: #a4b098; margin-top: 0; }
.article-prose .article-sources { border-top: 1px solid var(--line); padding-top: 28px; }
.article-sources > p, .article-sources li, .article-sources li p { font-size: 13px; line-height: 1.9; }
.article-sources li { margin-bottom: 18px; overflow-wrap: anywhere; }
.article-sources li p { margin: 5px 0 0; color: #a6b099; }
.article-sources a { color: var(--gold-light); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: #7c7456; }
.article-product { margin-top: 38px; padding-top: 26px; border-top: 1px solid var(--line); }
.article-product > span { color: var(--gold); }
.article-product p { font-size: 14px; }
.article-product a { display: inline-flex; gap: 36px; padding-bottom: 8px; border-bottom: 1px solid #82916c; color: var(--gold-light); font-size: 14px; }
.article-related { margin-top: 70px; border-top: 1px solid var(--line); padding-top: 35px; }
.article-related .guide-section-heading h2 { font-size: 30px; }
.article-related .guide-card { padding: 24px; }
.article-related .guide-card h3 { font-size: 22px; }
@media (max-width: 1100px) {
  .featured-guide { gap: 35px; padding: 35px; }
  .article-layout { grid-template-columns: 160px minmax(0, 1fr); gap: 32px; }
  .guide-card { padding: 24px; }
  .guide-card h3 { font-size: 22px; }
}
@media (max-width: 800px) {
  .guides-main, .article-main { padding: 28px var(--gutter) 55px; }
  .guides-heading .knowledge-summary { position: static; margin-top: 24px; }
  .featured-guide { grid-template-columns: 1fr; gap: 28px; padding: 28px; margin-top: 32px; }
  .learning-route { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
  .learning-route li:last-child { border-bottom: 1px solid var(--line); }
  .guide-grid { grid-template-columns: 1fr 1fr; }
  .article-related .guide-grid, .home-guides .guide-grid { grid-template-columns: 1fr; }
  .article-layout { display: block; padding-top: 24px; }
  .article-toc { position: static; margin-bottom: 28px; }
  .article-toc ol { display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; }
  .article-heading { padding-bottom: 28px; }
  .article-heading h1 { font-size: 36px; }
  .article-prose p, .article-prose li { font-size: 16px; }
  .article-prose .source-inline { font-size: 12px; }
  .article-sources li, .article-sources p, .article-prose .figure-note { font-size: 12px; }
  .article-prose h2 { font-size: 25px; }
  .hub-about { grid-template-columns: 1fr; gap: 28px; }
  .home-guides { padding-top: 38px; padding-bottom: 42px; }
}
@media (max-width: 480px) {
  .guide-grid { grid-template-columns: 1fr; }
  .guide-jump { gap: 18px; }
  .guide-jump a { font-size: 12px; }
  .guides-heading h1 { font-size: 48px; }
  .featured-guide { padding: 22px; }
  .featured-guide h2 { font-size: 28px; }
  .featured-guide h2 br { display: none; }
  .learning-route { display: block; }
  .guide-section-heading h2 { font-size: 28px; }
  .article-heading h1 { font-size: 29px; }
  .article-deck { font-size: 16px; }
  .article-toc ol { display: block; }
  .article-answer, .reading-exercise { padding: 21px; }
  .concept-flow { flex-direction: column; gap: 15px; }
  .concept-flow b { transform: rotate(90deg); }
  .article-related .guide-section-heading h2 { font-size: 26px; }
}

/* English reading rhythm and longer editorial headlines. */
.knowledge-main h1, .article-heading h1 { letter-spacing: -.035em; line-height: 1.15; }
.knowledge-body h2, .article-prose h2 { letter-spacing: -.02em; line-height: 1.3; }
.knowledge-summary, .knowledge-body p, .faq-list details p { line-height: 1.8; }
.guides-heading { display: grid; grid-template-columns: 1.35fr 1fr; align-items: end; column-gap: 60px; }
.guides-heading > .knowledge-eyebrow { grid-column: 1 / -1; }
.guides-heading h1 { font-size: clamp(42px, 4.3vw, 66px); letter-spacing: -.04em; line-height: 1.1; margin-bottom: 0; }
.guides-heading .knowledge-summary { position: static; max-width: 29em; line-height: 1.8; }
.featured-guide h2 { font-size: clamp(30px, 3vw, 43px); letter-spacing: -.025em; line-height: 1.2; }
.featured-guide h2 br { display: none; }
.featured-guide h2 br::after { content: ' '; }
.guide-section-heading h2 { letter-spacing: -.03em; line-height: 1.2; }
.guide-card h3 { font-size: 27px; line-height: 1.25; letter-spacing: -.025em; }
.guide-card > p { line-height: 1.75; }
.article-heading h1 { max-width: 19em; }
.article-deck { line-height: 1.75; }
.article-prose p, .article-prose li { line-height: 1.85; overflow-wrap: break-word; }
.article-toc li { font-size: 14px; line-height: 1.6; }
.article-prose h3 { line-height: 1.35; }
.article-table table { line-height: 1.65; }
.article-sources li, .article-sources li p, .article-sources > p { font-size: 13px; }
.concept-flow > span { font-size: 20px; line-height: 1.3; }
.hub-about h2 { letter-spacing: -.02em; line-height: 1.3; }
@media (max-width: 800px) {
  .guides-heading { display: block; }
  .guides-heading h1 { font-size: 46px; }
  .knowledge-page .header { height: auto; min-height: 82px; gap: 20px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 20px; }
  .article-heading h1 { font-size: 38px; }
}
@media (max-width: 480px) {
  .knowledge-page .header nav { gap: 20px; }
  .guides-heading h1 { font-size: 39px; }
  .article-heading h1 { font-size: 32px; }
  .article-prose h2 { font-size: 26px; }
}