.methodology-page { --methodology-header-offset: 74px; --methodology-nav-height: 60px; background: var(--color-bg); }
.methodology-document-header { padding-top: 148px; padding-bottom: 64px; }
.methodology-document-header-inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .55fr); gap: 72px; align-items: end; padding-bottom: 54px; border-bottom: 1px solid var(--color-border); }
.methodology-document-header h1 { max-width: 820px; margin-top: 20px; font-size: clamp(3rem, 5.5vw, 5rem); font-weight: 500 !important; line-height: .96; }
.methodology-document-lead { max-width: 500px; font-size: 1.125rem; line-height: 1.65; }
.document-content-section { scroll-margin-top: calc(var(--methodology-header-offset) + var(--methodology-nav-height) + 28px); padding-bottom: 68px; margin-bottom: 68px; border-bottom: 1px solid var(--color-border); }
.document-content-section:last-child { margin-bottom: 0; border-bottom: 0; }
.document-content-section h2 { margin-bottom: 22px; font-size: clamp(1.8rem, 3vw, 2.75rem); font-weight: 500; }
.document-content-section h3 { margin: 28px 0 10px; font-size: 1.125rem; }
.document-content-section > p + p { margin-top: 16px; }
.document-content-section ul { margin-top: 20px; padding-left: 20px; }
.document-content-section li { margin-bottom: 9px; }
.document-answer { margin-bottom: 24px; color: var(--color-title); font-size: 1.25rem; font-weight: 600; }
.document-callout { margin-top: 26px; padding: 24px; background: var(--color-primary-soft); border-left: 2px solid var(--color-primary); }
.changelog { border-top: 1px solid var(--color-border); }
.changelog article { display: grid; grid-template-columns: 180px 1fr; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--color-border); }
.changelog-version { font-family: 'Iosevka Charon Mono', monospace; color: var(--color-primary); font-size: .75rem; text-transform: uppercase; }
.changelog h3 { margin: 0 0 10px; }
.methodology-hero { padding: 148px 0 72px; background: var(--color-bg-soft); border-bottom: 1px solid var(--color-border); }
.methodology-hero-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(320px, .65fr); gap: 8vw; align-items: end; }
.methodology-hero-copy { max-width: 940px; }
.methodology-hero h1 { max-width: 900px; margin: 28px 0 36px; font-size: clamp(3.25rem, 5.7vw, 6.75rem); font-weight: 500 !important; line-height: .92; }
.methodology-hero h1 em { color: var(--color-primary); font-weight: 300; }
.methodology-lead { max-width: 780px; font-size: clamp(1.125rem, 1.5vw, 1.375rem); line-height: 1.55; }
.methodology-passport { padding: 28px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.methodology-passport-label, .source-label { font-family: 'Iosevka Charon Mono', monospace; color: var(--color-muted); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; }
.methodology-passport dl { margin: 22px 0; border-top: 1px solid var(--color-border); }
.methodology-passport dl div { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--color-border); font-size: .875rem; }
.methodology-passport dt { color: var(--color-muted); }
.methodology-passport dd { color: var(--color-title); text-align: right; }
.methodology-passport p { padding-left: 16px; border-left: 2px solid var(--color-primary); font-size: .875rem; }
.methodology-section-nav { position: sticky; top: var(--methodology-header-offset); z-index: 900; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--color-border); backdrop-filter: blur(16px); }
.methodology-section-nav-scroll { display: flex; gap: 34px; overflow-x: auto; scrollbar-width: none; }
.methodology-section-nav-scroll::-webkit-scrollbar { display: none; }
.methodology-section-nav a { position: relative; flex: 0 0 auto; padding: 20px 0 18px; color: var(--color-muted); font-size: 1rem; white-space: nowrap; }
.methodology-section-nav a:hover { color: var(--color-title); }
.methodology-section-nav a[aria-current="page"] { color: var(--color-title); font-weight: 600; }
.methodology-section-nav a[aria-current="page"]::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--color-primary); }
.methodology-article { display: grid; grid-template-columns: 260px minmax(0, 850px); gap: clamp(56px, 8vw, 140px); justify-content: center; align-items: start; padding-top: 104px; padding-bottom: 120px; }
.article-toc { position: sticky; top: calc(var(--methodology-header-offset) + var(--methodology-nav-height) + 28px); max-height: calc(100vh - var(--methodology-header-offset) - var(--methodology-nav-height) - 52px); overflow-y: auto; }
.article-toc-title { margin-bottom: 18px; font-family: 'Iosevka Charon Mono', monospace; color: var(--color-title); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.article-toc ol { list-style: none; counter-reset: toc; }
.article-toc li { counter-increment: toc; }
.article-toc a { display: grid; grid-template-columns: 24px 1fr; padding: 7px 0; color: var(--color-muted); font-size: .8125rem; line-height: 1.35; }
.article-toc a::before { content: counter(toc, decimal-leading-zero); font-family: 'Iosevka Charon Mono', monospace; font-size: .625rem; line-height: 1.8; }
.article-toc a:hover { color: var(--color-primary); transform: translateX(3px); }
.methodology-content { min-width: 0; }
.methodology-section { scroll-margin-top: calc(var(--methodology-header-offset) + var(--methodology-nav-height) + 28px); padding: 0 0 96px; margin-bottom: 96px; border-bottom: 1px solid var(--color-border); }
.methodology-section:last-child { margin-bottom: 0; border-bottom: 0; }
.section-kicker { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.section-kicker span { font-family: 'Iosevka Charon Mono', monospace; color: var(--color-primary); font-size: .6875rem; }
.section-kicker p { font-family: 'Iosevka Charon Mono', monospace; color: var(--color-muted); font-size: .6875rem; letter-spacing: .08em; text-transform: uppercase; }
.methodology-section h2 { margin-bottom: 24px; font-size: clamp(2rem, 3.5vw, 3.25rem); font-weight: 500; line-height: 1.08; }
.methodology-section h3 { font-size: 1.125rem; }
.section-intro { margin-bottom: 40px; max-width: 760px; color: var(--color-text); font-size: 1.125rem; line-height: 1.7; }
.principles-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border); }
.principles-grid article { min-height: 170px; padding: 28px; border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.principles-grid h3 { margin-bottom: 14px; }
.principles-grid p { font-size: .9375rem; }
.definition-list { border-top: 1px solid var(--color-border); }
.definition-list div { display: grid; grid-template-columns: 190px 1fr; gap: 32px; padding: 22px 0; border-bottom: 1px solid var(--color-border); }
.definition-list dt { color: var(--color-title); font-weight: 600; }
.definition-list dd { color: var(--color-text); }
.process-list { position: relative; list-style: none; }
.process-list::before { content: ""; position: absolute; top: 20px; bottom: 20px; left: 19px; width: 1px; background: var(--color-primary); }
.process-list li { position: relative; display: grid; grid-template-columns: 40px 1fr; gap: 24px; padding-bottom: 32px; }
.process-list li:last-child { padding-bottom: 0; }
.process-list li > span { z-index: 1; display: grid; width: 40px; height: 40px; place-items: center; background: var(--color-bg); border: 1px solid var(--color-primary); border-radius: var(--radius-full); font-family: 'Iosevka Charon Mono', monospace; color: var(--color-primary); font-size: .625rem; }
.process-list h3 { margin-bottom: 7px; }
.process-list p { max-width: 650px; font-size: .9375rem; }
.source-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.source-grid article, .industry-grid article { padding: 28px; background: var(--color-bg-soft); border: 1px solid transparent; border-radius: var(--radius-md); }
.source-grid article:hover, .industry-grid article:hover { background: var(--color-bg); border-color: var(--color-border-hover); box-shadow: var(--shadow-sm); }
.source-grid h3, .industry-grid h3 { margin: 20px 0 16px; }
.source-grid ul, .split-facts ul { padding-left: 18px; }
.source-grid li, .split-facts li { margin-bottom: 6px; color: var(--color-text); font-size: .9375rem; }
.criteria-list { list-style: none; border-top: 1px solid var(--color-border); }
.criteria-list li { display: grid; grid-template-columns: 210px 1fr; gap: 32px; padding: 22px 0; border-bottom: 1px solid var(--color-border); }
.criteria-list strong { color: var(--color-title); }
.criteria-list span { color: var(--color-text); }
.methodology-note { display: grid; grid-template-columns: 70px 1fr; gap: 22px; margin-top: 32px; padding: 24px; background: var(--color-primary-soft); border-radius: var(--radius-sm); }
.methodology-note span { font-family: 'Iosevka Charon Mono', monospace; color: var(--color-primary); font-size: .6875rem; letter-spacing: .08em; text-transform: uppercase; }
.industry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.industry-grid article > p { margin-bottom: 20px; }
.industry-caution { padding-top: 18px; border-top: 1px solid var(--color-border); color: var(--color-muted) !important; font-size: .875rem !important; }
.split-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 28px; }
.split-facts > div { padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.split-facts h3 { margin-bottom: 18px; }
.inline-link { margin-top: 28px; }
.inline-link a { color: var(--color-primary); font-weight: 600; }
.inline-link a:hover span { display: inline-block; transform: translateX(4px); }
.statement-pair { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-bottom: 28px; overflow: hidden; background: var(--color-border); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.statement-pair div { padding: 28px; background: var(--color-bg-soft); }
.statement-pair span { display: block; margin-bottom: 12px; color: var(--color-title); font-weight: 600; }
.methodology-independence { padding: 48px; background: var(--color-title); border: 0; border-radius: var(--radius-lg); }
.methodology-independence .section-kicker p, .methodology-independence > p { color: rgba(255,255,255,.62); }
.methodology-independence h2 { color: #fff; }
.independence-answer { margin-bottom: 22px; color: #fff !important; font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 500; }
.separation-table { margin-top: 32px; border-top: 1px solid rgba(255,255,255,.14); }
.separation-row { display: grid; grid-template-columns: repeat(2, 1fr); border-bottom: 1px solid rgba(255,255,255,.14); }
.separation-row span { padding: 16px; color: rgba(255,255,255,.7); font-size: .875rem; }
.separation-row span + span { border-left: 1px solid rgba(255,255,255,.14); }
.separation-head span { color: #fff; font-weight: 600; }
.methodology-independence .inline-link a { color: #fff; }
.change-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 32px; list-style: none; counter-reset: changes; }
.change-list li { counter-increment: changes; display: grid; grid-template-columns: 32px 1fr; padding: 17px 0; border-bottom: 1px solid var(--color-border); }
.change-list li::before { content: counter(changes, decimal-leading-zero); font-family: 'Iosevka Charon Mono', monospace; color: var(--color-primary); font-size: .625rem; }
.dispute-flow { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; list-style: none; }
.dispute-flow li { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--color-bg-soft); border-radius: var(--radius-full); color: var(--color-title); font-size: .8125rem; }
.dispute-flow span { display: grid; width: 20px; height: 20px; place-items: center; background: var(--color-title); border-radius: 50%; color: #fff; font-family: 'Iosevka Charon Mono', monospace; font-size: .5625rem; }
.meaning-list { list-style: none; }
.meaning-list li { position: relative; padding: 17px 0 17px 28px; border-bottom: 1px solid var(--color-border); }
.meaning-list li::before { content: ""; position: absolute; top: 26px; left: 2px; width: 7px; height: 7px; background: var(--color-primary); border-radius: 50%; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border); }
.related-grid a { display: grid; grid-template-columns: 34px 1fr; gap: 6px 14px; min-height: 150px; padding: 26px; border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.related-grid a:hover { background: var(--color-primary-soft); }
.related-grid span { grid-row: 1 / 3; font-family: 'Iosevka Charon Mono', monospace; color: var(--color-primary); font-size: .6875rem; }
.related-grid strong { color: var(--color-title); font-size: 1.0625rem; }
.related-grid small { color: var(--color-muted); font-size: .8125rem; line-height: 1.5; }
.methodology-page a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 4px; }

@media (max-width: 1100px) {
  .methodology-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .methodology-passport { max-width: 620px; }
  .methodology-article { grid-template-columns: 210px minmax(0, 1fr); gap: 56px; }
}

@media (max-width: 820px) {
  .methodology-document-header { padding-top: 120px; }
  .methodology-document-header-inner { grid-template-columns: 1fr; gap: 26px; }
  .methodology-hero { padding: 120px 0 56px; }
  .methodology-hero h1 { margin: 22px 0 28px; }
  .methodology-section-nav-scroll { gap: 26px; }
  .methodology-article { display: block; padding-top: 64px; padding-bottom: 80px; }
  .article-toc { position: static; max-height: none; margin-bottom: 72px; padding: 24px; background: var(--color-bg-soft); border-radius: var(--radius-md); }
  .article-toc ol { columns: 2; column-gap: 32px; }
  .article-toc li { break-inside: avoid; }
  .methodology-section { padding-bottom: 72px; margin-bottom: 72px; }
}

@media (max-width: 600px) {
  .methodology-document-header { padding-top: 104px; padding-bottom: 44px; }
  .methodology-document-header-inner { padding-bottom: 38px; }
  .changelog article { grid-template-columns: 1fr; gap: 12px; }
  .methodology-hero { padding-top: 104px; }
  .methodology-hero h1 { font-size: clamp(2.75rem, 14vw, 4rem); }
  .methodology-passport { padding: 22px; }
  .methodology-section-nav a { padding-top: 17px; padding-bottom: 15px; }
  .article-toc ol { columns: 1; }
  .principles-grid, .source-grid, .industry-grid, .split-facts, .statement-pair, .change-list, .related-grid { grid-template-columns: 1fr; }
  .principles-grid article { min-height: 0; }
  .definition-list div, .criteria-list li { grid-template-columns: 1fr; gap: 8px; }
  .methodology-note { grid-template-columns: 1fr; }
  .methodology-independence { padding: 30px 24px; border-radius: var(--radius-md); }
  .separation-row { grid-template-columns: 1fr; }
  .separation-row span + span { border-top: 1px solid rgba(255,255,255,.14); border-left: 0; }
  .separation-head { display: none; }
  .dispute-flow { display: grid; }
  .related-grid a { min-height: 130px; }
}

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