:root {
  --paper: #faf8f5;
  --ink: #26241f;
  --muted: #6c675e;
  --red: #8a2b1f;
  --rule: #dcd7ce;
  --wash: #f0ece5;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 1rem; line-height: 1.6; -webkit-font-smoothing: antialiased; }
::selection { background: #e9bfb3; color: var(--ink); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 5px; }
a, button { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--red); outline-offset: 6px; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; }
h1, h2 { letter-spacing: -.045em; }
h1 { font-size: clamp(3.2rem, 6vw, 5.3rem); line-height: 1.05; }
h2 { font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1.13; }
h3 { font-size: 1.65rem; line-height: 1.2; letter-spacing: -.025em; }
em { color: var(--red); font-weight: 400; }
svg { display: block; }
.container { width: min(1240px, calc(100% - 112px)); margin-inline: auto; }
.eyebrow { font-family: var(--mono); font-size: .75rem; letter-spacing: .11em; line-height: 1.5; text-transform: uppercase; font-weight: 400; }
.topline { border-bottom: 1px solid var(--rule); color: var(--muted); font-family: var(--mono); font-size: .75rem; }
.topline .container { display: flex; justify-content: space-between; padding-block: 11px; }
.site-header { min-height: 113px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-bottom: 1px solid var(--ink); }
.brand { display: flex; gap: 15px; text-decoration: none; align-items: center; }
.brand-mark { font-family: Georgia, serif; font-size: 3.4rem; line-height: 1; letter-spacing: -.15em; padding-right: 7px; }
.brand-mark > span { color: var(--red); }
.brand-name { border-left: 1px solid var(--rule); padding-left: 17px; font-size: 1.03rem; font-weight: 600; line-height: 1.3; letter-spacing: -.025em; }
.brand-period { color: var(--red); }
.site-header nav { display: flex; gap: 33px; align-items: center; }
.site-header nav a { font-size: .875rem; color: var(--muted); text-decoration: none; position: relative; padding-block: 8px; }
.site-header nav a:hover, .site-header nav a[aria-current] { color: var(--ink); }
.site-header nav a[aria-current]::after { content: ''; position: absolute; bottom: 0; left: 0; height: 2px; width: 18px; background: var(--red); }
.nav-count { color: var(--red); font-family: var(--mono); font-size: .75rem; margin-left: 4px; }
.header-cta { padding: 10px 18px; border: 1px solid var(--ink); font-size: .875rem; text-decoration: none; transition: background .15s, color .15s; }
.header-cta:hover { background: var(--ink); color: var(--paper); }
.menu-toggle { display: none; }
.hero { display: grid; grid-template-columns: 1.12fr 1fr; gap: clamp(40px, 8vw, 115px); align-items: center; padding-block: 70px 77px; }
.hero-copy > .eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 25px; }
.tiny-rule { display: inline-block; width: 21px; height: 2px; background: var(--red); }
.hero h1 { margin-left: -4px; }
.hero-lede { color: var(--muted); font-size: 1rem; line-height: 1.85; max-width: 450px; margin-top: 26px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 27px; margin-top: 30px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 13px 22px; color: white; background: var(--red); text-decoration: none; font-size: .875rem; font-weight: 500; border: 1px solid var(--red); transition: background .15s; }
.button:hover { background: #6e241a; }
.quiet-link { font-size: .875rem; text-decoration-color: #a49d92; }
.quiet-link:hover, .text-link:hover { color: var(--red); }
.editor-label { display: flex; align-items: center; justify-content: space-between; margin-bottom: 13px; gap: 12px; }
.edition { font-family: var(--mono); font-size: .75rem; color: var(--muted); }
.manuscript { background: #fffefa; padding: 27px 32px 18px; border: 1px solid #d9d2c6; box-shadow: 5px 5px 0 -1px var(--paper), 5px 5px 0 0 #ded7cb; }
.manuscript-top { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font: .75rem var(--mono); letter-spacing: .06em; padding-bottom: 19px; border-bottom: 1px solid var(--rule); }
.sample-copy { padding-top: 26px; font-family: var(--serif); font-size: 1.45rem; line-height: 1.7; letter-spacing: -.01em; min-height: 280px; }
.sample-copy p { margin-bottom: 15px; }
.cut { color: #955244; text-decoration: line-through; text-decoration-color: #b3624e; text-decoration-thickness: 1px; background: #f7ebe5; }
.is-edited .cut { display: none; }
.editor-note { display: flex; gap: 14px; margin: 19px 0 23px; padding: 13px 0 13px 15px; border-left: 2px solid var(--red); color: var(--red); font-family: var(--serif); font-size: 1rem; font-style: italic; line-height: 1.5; min-height: 73px; }
.note-mark { font-size: 1.6rem; line-height: 1.3; font-style: normal; }
.manuscript-bottom { display: flex; justify-content: space-between; gap: 15px; border-top: 1px solid var(--rule); padding-top: 12px; color: var(--muted); font-size: .75rem; }
.manuscript-bottom > span:last-child { font-family: Georgia, serif; color: var(--red); font-size: 1.2rem; line-height: 1; }
.edit-controls { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 23px; color: var(--muted); font-size: .75rem; }
.button-group { display: flex; padding: 3px; border: 1px solid var(--rule); }
.button-group button { border: 0; color: var(--muted); background: transparent; padding: 6px 13px; font-size: .875rem; }
.button-group button[aria-pressed="true"] { color: white; background: var(--ink); }
.principle-strip { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding-block: 25px; }
.principle-strip > span:first-child { font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; color: var(--muted); }
.principle-strip p { font-family: var(--serif); font-size: 1.4rem; letter-spacing: -.02em; }
.strip-mark { color: var(--red); font-size: 2rem; line-height: 1; }
.tools-section { padding-block: 76px 82px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 37px; }
.section-heading .eyebrow { color: var(--red); margin-bottom: 16px; }
.section-heading > p { color: var(--muted); font-size: .875rem; padding-bottom: 4px; }
.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); }
.tool-card { padding: 28px 30px 29px; position: relative; display: flex; flex-direction: column; }
.tool-card:first-child { padding-left: 0; }
.tool-card:last-child { padding-right: 0; }
.tool-card + .tool-card { border-left: 1px solid var(--rule); }
.tool-card-top { display: flex; align-items: center; justify-content: space-between; color: var(--red); margin-bottom: 28px; }
.tool-card-top svg { width: 38px; height: 38px; }
.tool-card h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); margin-bottom: 11px; }
.tool-card h3 a { text-decoration: none; }
.tool-card h3 a:hover { text-decoration: underline; }
.tool-card h3 span { color: var(--red); }
.tool-card .tool-promise { color: var(--ink); font-size: .875rem; font-weight: 500; margin-bottom: 11px; }
.tool-card p:not(.tool-promise) { color: var(--muted); font-size: .9375rem; line-height: 1.75; margin-bottom: 26px; }
.text-link { width: fit-content; font-size: .875rem; text-decoration-color: var(--red); }
.tool-card > .text-link { margin-top: auto; }
.research-band { color: #f2ede4; background: #282a25; }
.research-band-inner { display: grid; grid-template-columns: 1fr 1.12fr; gap: 110px; padding-block: 70px 72px; }
.research-intro .eyebrow { color: #b8b9ac; margin-bottom: 22px; }
.research-intro h2 { font-size: clamp(2.8rem, 4vw, 3.7rem); }
.research-intro h2 em { color: #d7b596; }
.research-intro > p:not(.eyebrow) { color: #bfc0b5; font-size: .9375rem; line-height: 1.85; max-width: 340px; margin: 23px 0; }
.light-link { font-size: .875rem; text-decoration-color: #c39578; }
.light-link:hover { color: #e8b59d; }
.research-intro .preview-note { font-family: var(--mono); font-size: .75rem !important; margin-top: 33px !important; }
.research-row { border-top: 1px solid var(--rule); padding-block: 29px 31px; }
.article-meta { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 20px; font-family: var(--mono); font-size: .75rem; color: var(--muted); }
.article-meta > :first-child { color: var(--red); }
.research-row h3 { margin-block: 12px 10px; font-size: 1.8rem; max-width: 560px; }
.research-row h3 a { text-decoration: none; }
.research-row h3 a:hover { text-decoration: underline; }
.research-row p { color: var(--muted); font-size: .9375rem; line-height: 1.75; max-width: 630px; }
.read-time { font-family: var(--mono); font-size: .75rem; color: var(--muted); }
.research-row .read-time { display: block; margin-top: 14px; }
.research-band .research-row { border-color: #505149; padding-block: 24px; }
.research-band .research-row:first-child { padding-top: 0; border-top: 0; }
.research-band .research-row h3 { font-size: 1.85rem; }
.research-band .article-meta, .research-band .research-row p, .research-band .read-time { color: #bfc0b5; }
.research-band .article-meta > :first-child { color: #d7b596; }
.closing { padding-block: 83px 85px; text-align: center; }
.closing .eyebrow { color: var(--muted); margin-bottom: 21px; }
.closing h2 { font-size: clamp(2.4rem, 4vw, 3.5rem); }
.closing p:not(.eyebrow) { max-width: 465px; margin: 24px auto 25px; color: var(--muted); font-size: .9375rem; }
.site-footer { border-top: 1px solid var(--ink); padding-block: 30px 23px; }
.footer-top, .footer-bottom { display: flex; justify-content: space-between; gap: 25px; align-items: baseline; }
.footer-top { margin-bottom: 30px; }
.footer-brand { font-family: var(--serif); font-size: 1.6rem; letter-spacing: -.03em; text-decoration: none; }
.footer-brand span { color: var(--red); }
.footer-top p { font-family: var(--serif); font-size: 1rem; font-style: italic; color: var(--muted); }
.footer-bottom { font-size: .75rem; color: var(--muted); }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-bottom nav a { text-decoration: none; }
.footer-bottom nav a:hover { text-decoration: underline; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 29px; font-size: .8125rem; color: var(--muted); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.app-hero { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 80px; padding-block: 58px 78px; }
.app-hero h1 { font-size: clamp(3.2rem, 5.4vw, 4.9rem); margin-top: 24px; }
.app-hero .eyebrow { color: var(--red); }
.app-hero .hero-lede { margin-bottom: 28px; }
.eyebrow-separator { margin-inline: 9px; }
.external-note { color: var(--muted); font-size: .75rem; margin-top: 10px; }
.process-sheet { background: var(--wash); border: 1px solid var(--rule); padding: 32px; }
.process-sheet h2 { font-size: 2.6rem; margin-block: 30px; }
.process-sheet ol { list-style: none; padding: 0; margin: 0; }
.process-sheet li { display: flex; align-items: baseline; gap: 23px; padding-block: 18px; border-top: 1px solid var(--rule); }
.process-sheet li > span { color: var(--red); font: .75rem var(--mono); }
.process-sheet strong { font: 1.4rem var(--serif); }
.process-sheet li p { font-size: .875rem; color: var(--muted); margin-top: 4px; }
.sheet-foot { padding-top: 22px; margin-top: 12px; border-top: 1px solid var(--rule); font: .75rem/1.6 var(--mono); color: var(--muted); }
.prompt-line { text-align: center; padding: 16px; border: 1px solid #b7afa3; font-family: var(--serif); font-size: 1.2rem; }
.model-slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-block: 16px 24px; }
.model-slots span { background: var(--paper); padding: 17px 5px; text-align: center; font-size: .8125rem; border-top: 2px solid var(--red); }
.lab-checks { list-style: none; padding: 0; margin: 0; }
.lab-checks li { padding-block: 10px; font-size: .875rem; }
.lab-checks li::before { content: '✓'; color: var(--red); }
.how-section { padding-block: 25px 75px; }
.how-section .section-heading h2 { max-width: 680px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 45px; padding: 30px 0 0; margin: 0; list-style: none; border-top: 1px solid var(--ink); }
.step-number { font-family: var(--mono); font-size: .8125rem; color: var(--red); }
.steps-grid h3 { margin: 22px 0 14px; }
.steps-grid p { color: var(--muted); font-size: .9375rem; line-height: 1.8; }
.app-principles { background: var(--wash); padding-block: 62px; }
.principles-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 90px; }
.principles-grid > h2 { font-size: 3rem; }
.feature-row + .feature-row { border-top: 1px solid var(--rule); padding-top: 22px; margin-top: 22px; }
.feature-row h3 { margin-bottom: 12px; }
.feature-row p { color: var(--muted); font-size: .9375rem; line-height: 1.8; }
.related-research { padding-block: 68px; border-bottom: 1px solid var(--rule); }
.related-research > .eyebrow { color: var(--red); margin-bottom: 16px; }
.related-research h2 { max-width: 740px; margin-bottom: 20px; }
.related-research h2 a { text-decoration: none; }
.related-research h2 a:hover { text-decoration: underline; }
.related-research p:not(.eyebrow) { max-width: 680px; color: var(--muted); margin-bottom: 21px; }
.other-tools { padding-block: 66px; }
.two-tools { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.research-header { padding-block: 61px 48px; }
.research-header > .eyebrow { color: var(--red); margin-bottom: 25px; }
.research-header > div { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: end; }
.research-header h1 { font-size: clamp(3.5rem, 6vw, 5.2rem); }
.research-header p:not(.eyebrow) { max-width: 355px; color: var(--muted); padding-bottom: 8px; line-height: 1.8; }
.example-banner { display: flex; align-items: baseline; gap: 25px; border-block: 1px solid #dacaba; background: #f5efe7; padding: 15px 20px; color: #76614b; font-size: .8125rem; line-height: 1.65; }
.example-banner strong { font-weight: 600; white-space: nowrap; color: #76512d; }
.featured-article { display: grid; grid-template-columns: .75fr 1.6fr; border-block: 1px solid var(--ink); margin-top: 39px; }
.featured-aside { display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--rule); padding: 30px; background: var(--wash); min-height: 345px; }
.feature-glyph { font-family: var(--serif); font-size: 8.5rem; line-height: 1; letter-spacing: -.1em; }
.feature-glyph span { color: var(--red); }
.featured-copy { padding: 36px 0 35px 45px; }
.featured-copy h2 { font-size: clamp(2.2rem, 3.5vw, 3.2rem); margin-block: 23px 20px; max-width: 620px; }
.featured-copy h2 a { text-decoration: none; }
.featured-copy h2 a:hover { text-decoration: underline; }
.featured-copy > p { color: var(--muted); font-size: 1rem; max-width: 620px; line-height: 1.8; }
.featured-actions { display: flex; align-items: center; gap: 30px; margin-top: 25px; }
.archive { padding-block: 62px 85px; max-width: 900px; margin-inline: auto; }
.archive-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 25px; margin-bottom: 26px; }
.archive-heading h2 { font-size: 1.7rem; }
.archive-heading > span { color: var(--muted); }
.archive .research-row { padding-block: 31px; }
.archive .research-row .article-meta { justify-content: space-between; }
.archive .research-row h3 { font-size: 2.05rem; }
.archive .research-row p { max-width: 690px; }
.release-header { padding-block: 50px 30px; max-width: 1000px; }
.release-header h1 { font-size: clamp(3rem, 5.3vw, 4.8rem); margin: 27px 0 25px; line-height: 1.09; max-width: 980px; }
.release-deck { font-family: var(--serif); font-size: 1.45rem; color: var(--muted); line-height: 1.6; max-width: 790px; }
.release-byline { display: flex; gap: 10px 26px; flex-wrap: wrap; margin-top: 29px; color: var(--muted); font-size: .8125rem; }
.byline-divider { margin-inline: 7px; color: #a49d92; }
.release-layout { display: grid; grid-template-columns: 235px minmax(0, 690px); gap: 75px; padding-block: 48px 60px; }
.release-sidebar { align-self: start; position: sticky; top: 30px; }
.release-sidebar > .eyebrow { color: var(--red); padding-bottom: 15px; border-bottom: 1px solid var(--rule); }
.release-sidebar nav { display: grid; gap: 17px; padding-top: 20px; }
.release-sidebar nav a { font-size: .875rem; color: var(--muted); text-decoration: none; line-height: 1.5; }
.release-sidebar nav a:hover { color: var(--red); text-decoration: underline; }
.sidebar-tool { border-top: 1px solid var(--rule); padding-top: 22px; margin-top: 31px; }
.sidebar-tool > a { display: block; font-family: var(--serif); font-size: 1.25rem; margin-block: 8px; text-decoration: none; }
.sidebar-tool > p:last-child { font-size: .8125rem; color: var(--muted); }
.print-button { padding: 7px 0; border: 0; background: transparent; text-decoration: underline; text-underline-offset: 5px; font-size: .8125rem; color: var(--muted); margin-top: 26px; }
.release-body { font-family: var(--serif); font-size: 1.1875rem; line-height: 1.85; }
.release-body .article-opening { font-size: 1.6rem; line-height: 1.55; color: var(--red); margin-bottom: 37px; }
.release-body section { scroll-margin-top: 32px; }
.release-body section + section { margin-top: 38px; }
.release-body section h2 { font-size: 1.9rem; letter-spacing: -.025em; margin-bottom: 19px; }
.release-body section p + p { margin-top: 20px; }
.article-end { display: flex; gap: 15px; font-family: var(--sans); color: var(--muted); font-size: .8125rem; border-top: 1px solid var(--rule); padding-top: 22px; margin-top: 36px; }
.article-end > span { color: var(--red); }
.article-tool { background: var(--wash); padding: 30px; margin-top: 38px; }
.article-tool h2 { font-size: 2rem; margin-block: 12px; }
.article-tool p { color: var(--muted); font-size: 1rem; line-height: 1.7; }
.article-tool .button { font-family: var(--sans); margin-top: 23px; }
.next-article { padding-block: 36px 60px; border-top: 1px solid var(--ink); }
.next-article h2 { max-width: 710px; margin-block: 15px 25px; }
.next-article h2 a { text-decoration: none; }
.next-article h2 a:hover { text-decoration: underline; }
.research-empty, .not-found { padding-block: 70px 110px; }
.research-empty p, .not-found p { margin-block: 20px; color: var(--muted); }
.empty-research h3 { font-size: 2rem; margin-block: 20px; }
.empty-research p { color: #bfc0b5; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link:focus { display: block; position: fixed; z-index: 10; top: 10px; left: 10px; background: white; padding: 12px 20px; color: var(--red); }
@media (min-width: 1500px) { .hero { gap: 125px; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 72px); }
  .hero, .app-hero { gap: 45px; }
  .hero h1 { font-size: 4.35rem; }
  .manuscript { padding-inline: 25px; }
  .sample-copy { font-size: 1.25rem; min-height: 267px; }
  .research-band-inner { gap: 65px; }
  .tool-card { padding-inline: 24px; }
  .footer-bottom { flex-wrap: wrap; }
  .release-layout { gap: 45px; grid-template-columns: 205px minmax(0, 1fr); }
  .app-hero h1 { font-size: 3.8rem; }
}
@media (max-width: 800px) {
  .container { width: calc(100% - 44px); }
  .site-header { min-height: 99px; gap: 20px; }
  .brand-mark { font-size: 2.7rem; }
  .brand-name { font-size: .9375rem; padding-left: 12px; }
  .brand { gap: 10px; }
  .site-header nav { gap: 20px; }
  .header-cta { display: none; }
  .hero { padding-block: 44px 48px; gap: 30px; }
  .hero h1 { font-size: 3.4rem; }
  .hero-lede { font-size: .9375rem; line-height: 1.8; }
  .hero-actions { gap: 20px; }
  .manuscript { padding: 20px 22px 16px; }
  .sample-copy { font-size: 1.1rem; min-height: 242px; }
  .editor-label .edition { display: none; }
  .edit-controls { flex-wrap: wrap; gap: 8px; }
  .editor-note { font-size: .9375rem; padding-left: 10px; gap: 9px; }
  .principle-strip { gap: 15px; }
  .principle-strip p { font-size: 1.15rem; }
  .principle-strip > span:first-child { max-width: 90px; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card, .tool-card:first-child, .tool-card:last-child { padding: 28px 0; }
  .tool-card + .tool-card { border-left: 0; border-top: 1px solid var(--rule); }
  .tool-card h3 { font-size: 2rem; }
  .tool-card-top { margin-bottom: 13px; }
  .tool-card p:not(.tool-promise) { max-width: 580px; margin-bottom: 18px; }
  .research-band-inner { grid-template-columns: 1fr 1.1fr; gap: 45px; }
  .research-band .research-row h3 { font-size: 1.65rem; }
  .research-intro h2 { font-size: 2.8rem; }
  .tools-section { padding-block: 50px; }
  .app-hero { gap: 32px; padding-block: 40px 55px; }
  .app-hero h1 { font-size: 3.2rem; }
  .process-sheet { padding: 24px; }
  .process-sheet h2 { font-size: 2.15rem; }
  .model-slots { grid-template-columns: 1fr; }
  .model-slots span { padding: 8px; }
  .principles-grid { gap: 35px; }
  .steps-grid { gap: 25px; }
  .steps-grid h3 { font-size: 1.45rem; }
  .research-header > div { gap: 35px; }
  .featured-copy { padding-left: 28px; }
  .feature-glyph { font-size: 7rem; }
  .featured-aside { padding: 25px; }
  .release-layout { grid-template-columns: minmax(0, 1fr); }
  .release-sidebar { display: none; }
  .release-body { max-width: 680px; margin-inline: auto; }
  .release-header h1 { font-size: 3.6rem; }
}
@media (max-width: 600px) {
  .container { width: calc(100% - 40px); }
  .topline .container { padding-block: 9px; font-size: .75rem; }
  .topline .container > span:last-child { display: none; }
  .site-header { min-height: 89px; flex-wrap: wrap; position: relative; }
  .brand-mark { font-size: 2.9rem; }
  .brand-name { font-size: .9375rem; }
  .menu-toggle { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 10px 0 10px 10px; background: transparent; border: 0; font-size: .875rem; color: var(--ink); }
  .menu-toggle span { font-size: 1rem; }
  .site-header nav { display: none; width: 100%; border-top: 1px solid var(--rule); padding-block: 5px 18px; justify-content: space-between; gap: 15px; }
  .site-header nav.is-open { display: flex; }
  .site-header nav a { padding-block: 9px; }
  .hero { grid-template-columns: 1fr; padding-block: 38px 42px; gap: 43px; }
  .hero-copy > .eyebrow { margin-bottom: 22px; }
  .hero h1 { font-size: clamp(3.1rem, 11.8vw, 4.4rem); }
  .hero-lede { margin-top: 23px; font-size: 1rem; }
  .hero-actions { margin-top: 26px; gap: 24px; }
  .manuscript-wrap { max-width: 460px; width: 100%; margin-inline: auto; }
  .editor-label .edition { display: block; }
  .sample-copy { font-size: 1.38rem; min-height: 270px; }
  .manuscript { padding: 25px 27px 18px; }
  .edit-controls { gap: 15px; }
  .editor-note { font-size: 1rem; }
  .principle-strip { flex-wrap: wrap; gap: 12px; padding-block: 23px; }
  .principle-strip > span:first-child { max-width: none; width: 100%; }
  .principle-strip p { max-width: 260px; font-size: 1.3rem; }
  .principle-strip p em { display: block; }
  .section-heading { align-items: start; flex-direction: column; gap: 16px; margin-bottom: 28px; }
  .section-heading > p br { display: none; }
  .section-heading h2 { font-size: 2.1rem; }
  .tool-card { padding-block: 26px; }
  .tool-card-top { margin-bottom: 15px; }
  .tool-card h3 { font-size: 2rem; }
  .tool-card p:not(.tool-promise) { font-size: 1rem; }
  .research-band-inner { grid-template-columns: 1fr; gap: 34px; padding-block: 43px 35px; }
  .research-intro h2 { font-size: 3.1rem; }
  .research-intro > p:not(.eyebrow) { max-width: none; font-size: 1rem; }
  .research-band .research-row:first-child { padding-top: 25px; border-top: 1px solid #505149; }
  .research-band .research-row h3 { font-size: 1.9rem; }
  .closing { padding-block: 50px; }
  .closing h2 { font-size: 2.4rem; }
  .closing h2 br { display: none; }
  .footer-top { flex-direction: column; gap: 7px; margin-bottom: 24px; }
  .footer-brand { font-size: 1.4rem; }
  .footer-bottom { flex-direction: column; gap: 21px; }
  .footer-bottom nav { gap: 15px 20px; }
  .footer-bottom nav a { font-size: .8125rem; }
  .app-hero { grid-template-columns: 1fr; gap: 35px; padding-top: 30px; }
  .app-hero h1 { font-size: 3.25rem; }
  .app-hero .hero-lede { font-size: 1rem; }
  .app-hero .eyebrow { font-size: .75rem; letter-spacing: .07em; }
  .process-sheet { padding: 27px; }
  .process-sheet h2 { font-size: 2.5rem; }
  .model-slots { grid-template-columns: repeat(3, 1fr); }
  .model-slots span { padding: 14px 5px; }
  .how-section { padding-bottom: 45px; }
  .steps-grid { grid-template-columns: 1fr; gap: 30px; padding-top: 25px; }
  .steps-grid h3 { margin: 10px 0 11px; font-size: 1.65rem; }
  .steps-grid p { font-size: 1rem; }
  .app-principles { padding-block: 42px; }
  .principles-grid { grid-template-columns: 1fr; }
  .principles-grid > h2 { font-size: 2.6rem; }
  .related-research { padding-block: 43px; }
  .other-tools { padding-block: 43px; }
  .research-header { padding-block: 38px 30px; }
  .research-header > div { grid-template-columns: 1fr; gap: 23px; }
  .research-header h1 { font-size: 3.6rem; }
  .research-header p:not(.eyebrow) { max-width: none; }
  .example-banner { flex-direction: column; gap: 6px; padding: 14px 16px; }
  .featured-article { grid-template-columns: 1fr; margin-top: 30px; }
  .featured-aside { min-height: 160px; border-right: 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 1fr auto; align-items: center; padding: 22px; }
  .feature-glyph { grid-column: 2; grid-row: 1 / 3; font-size: 6.3rem; }
  .featured-copy { padding: 25px 0 30px; }
  .featured-copy h2 { font-size: 2.35rem; margin-block: 17px; }
  .featured-copy .article-meta { gap: 5px 15px; }
  .archive { padding-block: 38px 50px; }
  .archive-heading { flex-direction: column; gap: 9px; margin-bottom: 23px; }
  .archive .research-row .article-meta { justify-content: flex-start; gap: 7px 18px; }
  .archive .research-row h3 { font-size: 1.95rem; }
  .archive .research-row p { font-size: 1rem; }
  .release-header { padding-top: 30px; }
  .release-header h1 { font-size: 3.05rem; margin-block: 20px; }
  .release-deck { font-size: 1.3rem; }
  .release-byline { gap: 9px; }
  .release-layout { padding-block: 30px 43px; }
  .release-body { font-size: 1.125rem; line-height: 1.85; }
  .release-body .article-opening { font-size: 1.45rem; }
  .release-body section h2 { font-size: 1.8rem; }
  .article-tool { padding: 24px; }
  .next-article { padding-block: 30px 44px; }
  .next-article h2 { font-size: 2.1rem; }
  .not-found h1 { font-size: 3rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }
@media print {
  @page { margin: 18mm; }
  body { background: white; color: #111; font-size: 11pt; }
  .topline, .site-header, .site-footer, .breadcrumb, .release-sidebar, .next-article, .article-tool, .skip-link { display: none !important; }
  .container { width: 100%; }
  .release-header { padding-top: 0; }
  .release-header h1 { font-size: 30pt; }
  .release-layout { display: block; padding-top: 20px; }
  .release-body { max-width: none; font-size: 12pt; }
  .release-body section h2 { break-after: avoid; font-size: 18pt; }
  .release-body p { orphans: 3; widows: 3; }
  a { text-decoration: none; }
  .example-banner { background: transparent; }
}