/* Introductory company site. Scoped to the three current pages; the journal,
   method page and historical candidates retain their existing design. */
.intro-site { --w-content: 1280px; }
.intro-site .container, .intro-site .masthead-inner, .intro-site .footer-inner { padding-inline: 40px; }
.intro-site p { color: var(--ink-2); }
.intro-site .eyebrow { display: block; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 22px; }
.intro-site h1, .intro-site h2, .intro-site h3 { font-weight: 400; letter-spacing: -.035em; line-height: 1.12; }
.intro-site h1 { font-size: clamp(42px, 4.2vw, 60px); margin: 0 0 25px; }
.intro-site h1 em { display: block; font-weight: 400; color: var(--ink-2); }
.intro-site h2 { font-size: clamp(32px, 3vw, 43px); margin: 0 0 26px; }
.intro-site h3 { font-size: 30px; margin: 0 0 20px; }
.intro-site .hero-lede { font-size: 21px; line-height: 1.55; color: var(--ink-2); margin-bottom: 24px; }
.intro-site .masthead-nav { gap: 22px; }
.intro-site .masthead-nav a { text-transform: none; letter-spacing: .035em; font-size: 15px; }
.intro-site .masthead-nav a.nav-cta { font-size: 13px; }
.intro-site .btn { font-size: 14px; text-transform: none; letter-spacing: .025em; padding: 12px 19px; display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; }
.intro-site .btn-solid { border: 1px solid var(--ink); }
.intro-site .btn span, .intro-site .text-link span { font-family: Georgia, serif; font-size: 19px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule-dark); padding-bottom: 4px; font-size: 16px; line-height: 1.45; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }
.intro-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 30px; }
.intro-hero { padding-top: 70px; }
.home-opening { display: grid; grid-template-columns: .86fr 1.14fr; gap: 48px; align-items: center; }
.opening-copy { padding-bottom: 15px; }
.audience-note { font-size: 14px; margin-top: 23px; max-width: 38ch; }
.intro-site .intro-figure { padding: 18px 18px 12px; border: 1px solid var(--rule); margin: 0; }
.intro-site .intro-figure figcaption { font-style: normal; font-size: 14px; line-height: 1.5; padding-top: 14px; margin-top: 0; }
.intro-figure figcaption strong { font-weight: 400; color: var(--ink); }
.intro-figure .fig-movie { display: block; width: 100%; height: auto; background: var(--card); }
.figure-label { display: flex; justify-content: space-between; gap: 10px; padding-bottom: 16px; font-size: 10px; letter-spacing: .11em; text-transform: uppercase; color: var(--ink-2); }
.figure-label-right { color: var(--muted); }
.intro-site .movie-bar { margin-bottom: 12px; }
.intro-site .movie-bar button { min-height: 36px; }
.intro-proofline { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; border-top: 1px solid var(--rule-dark); border-bottom: 1px solid var(--rule); padding: 19px 0; margin-top: 56px; font-size: 13px; letter-spacing: .055em; color: var(--ink-2); }
.intro-proofline span + span::before { content: '·'; margin-right: 32px; color: var(--muted); }
.intro-section { padding-block: 86px; }
.editorial-split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.prose p + p { margin-top: 18px; }
.prose .text-link { margin-top: 22px; }
.section-description { font-size: 20px; line-height: 1.6; align-self: end; margin-bottom: 24px; }
.product-section, .tinted-section { background: var(--paper-2); border-block: 1px solid var(--rule); }
.section-heading { margin-bottom: 46px; }
.intro-products { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.intro-product { border-top: 1px solid var(--rule-dark); padding-top: 24px; }
.product-topline { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 30px; }
.product-number { font-size: 14px; letter-spacing: .055em; }
.availability { border: 1px solid var(--rule-dark); padding: 3px 9px; font-size: 11px; letter-spacing: .025em; color: var(--ink-2); }
.intro-product > p { max-width: 50ch; min-height: 85px; }
.product-facts { margin: 24px 0 34px; }
.product-facts > div { display: grid; grid-template-columns: 85px 1fr; gap: 20px; padding: 15px 0; border-top: 1px solid var(--rule); font-size: 15px; }
.product-facts dt { color: var(--ink); }
.product-facts dd { color: var(--ink-2); }
.research-feature { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.research-feature > div > p { margin: 20px 0; }
.secondary-copy { font-size: 15px; line-height: 1.6; }
.research-story { text-decoration: none; color: var(--ink); padding: 30px; border: 1px solid var(--rule); background: var(--card); }
.research-story h3 { font-size: 31px; }
.research-story p { font-size: 16px; }
.journal-preview { margin: 22px 0; }
.journal-preview .img-light { filter: url(#paper-tint); }
.founder-section { padding: 58px 0; border-block: 1px solid var(--rule); }
.founder-grid { display: grid; grid-template-columns: .6fr 1.4fr; gap: 55px; }
.founder-grid h2 { font-size: 31px; line-height: 1.3; }
.founder-grid p { max-width: 68ch; margin-bottom: 20px; }
.intro-contact { padding-block: 78px; background: var(--card); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-grid p { max-width: 48ch; margin-bottom: 24px; }
.contact-direct { font-size: 14px; margin-top: 20px; }
.contact-direct a { text-underline-offset: 4px; }
.intro-site .footer { padding-top: 32px; }
.intro-site .footer-inner { align-items: center; }
.intro-site .footer-links { gap: 10px 22px; }
.intro-footer-note { max-width: var(--w-content); margin: 25px auto 0; padding: 20px 40px 30px; display: flex; gap: 20px; justify-content: space-between; border-top: 1px solid var(--rule); font-size: 12px; color: var(--ink-2); }
.page-opening { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; margin-bottom: 52px; }
.page-opening h1 { margin-bottom: 0; }
.breadcrumb { display: inline-block; font-size: 13px; margin-bottom: 18px; color: var(--ink-2); text-decoration: none; }
.page-opening .eyebrow { display: inline-block; margin: 0 0 18px 10px; }
.page-intro > p:not(.hero-lede) { font-size: 17px; }
.page-opening + .motion-figure { max-width: 1060px; margin-inline: auto; }
.dataset-list article { display: grid; grid-template-columns: 45px 1fr 210px; gap: 35px; padding: 32px 0; border-top: 1px solid var(--rule); }
.row-number { font-size: 14px; color: var(--accent); padding-top: 5px; }
.dataset-list h3 { font-size: 27px; margin-bottom: 12px; }
.dataset-list article > div p { max-width: 60ch; font-size: 16px; }
.dataset-use { font-style: italic; font-size: 18px; padding-top: 5px; }
.catalog-link { border-top: 1px solid var(--rule); padding-top: 28px; display: flex; justify-content: space-between; gap: 24px; align-items: baseline; }
.availability-note, .small-note { font-size: 13px; margin-top: 25px; color: var(--ink-2); }
.availability-note strong { font-weight: 400; color: var(--ink); }
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.access-options { margin-top: 30px; }
.access-options > div { padding: 18px 0; border-top: 1px solid var(--rule); }
.access-options b { display: block; font-weight: 400; font-size: 18px; margin-bottom: 7px; }
.access-options span { display: block; font-size: 15px; color: var(--ink-2); }
.code-example { margin-top: 35px; border: 1px solid var(--rule-dark); background: var(--card); }
.code-heading { display: flex; gap: 15px; justify-content: space-between; padding: 15px 22px; border-bottom: 1px solid var(--rule); font-size: 12px; }
.code-heading span + span { color: var(--ink-2); }
.code-example pre { overflow: auto; padding: 30px 25px; font: 14px/1.9 var(--mono); tab-size: 4; }
.code-example > p { border-top: 1px solid var(--rule); padding: 18px 23px; font-size: 14px; }
.code-keyword { color: var(--accent); }
.code-string { color: var(--clean-ink); }
.evaluation-section { border-top: 1px solid var(--rule); }
.evaluation-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 50px; list-style: none; }
.evaluation-steps li > span { display: block; color: var(--accent); font-size: 13px; margin-bottom: 15px; }
.evaluation-steps h3 { font-size: 25px; }
.evaluation-steps p { font-size: 16px; }
.workflow-chapter { display: grid; grid-template-columns: .7fr 1.3fr; align-items: center; gap: 64px; }
.workflow-chapter.reverse > div { order: 2; }
.workflow-chapter.reverse { grid-template-columns: 1.3fr .7fr; }
.workflow-chapter > div > p { margin-bottom: 18px; }
.workflow-chapter h2 { font-size: 35px; }
.workflow-chapter .text-link { font-size: 15px; }
.intro-site .workflow-chapter .intro-figure { padding: 18px 12px 12px; }
.workflow-chapter .intro-figure figcaption { font-size: 12px; }
.image-view { display: block; }
.image-view:hover { outline: 1px solid var(--rule-dark); }
.enlarge-note { display: block; font-size: 11px; color: var(--ink-2); margin-top: 8px; }
.intro-site .img-dark { display: none; }
html.dark .intro-site .img-dark { display: block; }
html.dark .intro-site .img-light { display: none; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 2000; background: var(--ink); color: var(--paper); padding: 12px 20px; }
.skip-link:focus { top: 10px; }
.intro-site :focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.tint-definition { position: absolute; }
.menu-toggle { display: none; }
@media (max-width: 1100px) {
 .intro-site .container, .intro-site .masthead-inner, .intro-site .footer-inner { padding-inline: 28px; }
 .home-opening { gap: 30px; grid-template-columns: .92fr 1.08fr; }
 .intro-site h1 { font-size: 48px; }
 .intro-site .hero-lede { font-size: 18px; }
 .editorial-split, .research-feature, .access-grid { gap: 55px; }
 .intro-site .masthead-nav { gap: 16px; }
 .intro-site .masthead-nav a { font-size: 14px; }
 .intro-site .masthead .wordmark { --mark: 28px; }
 .intro-site .masthead-nav a.nav-cta { font-size: 12px; padding-inline: 12px; }
 .workflow-chapter, .workflow-chapter.reverse { gap: 35px; }
 .workflow-chapter h2 { font-size: 29px; }
}
@media (max-width: 900px) {
 .intro-site .masthead-inner { position: relative; }
 .menu-toggle { display: inline-flex; align-items: center; gap: 12px; background: none; color: var(--ink); border: 1px solid var(--rule-dark); padding: 8px 12px; font: 14px var(--serif); cursor: pointer; }
 .intro-site .masthead-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); padding: 24px 28px; border-bottom: 1px solid var(--rule-dark); flex-wrap: wrap; gap: 22px; }
 .intro-site .masthead-nav.open { display: flex; }
 .intro-site .masthead-nav a.nav-plain { display: inline-block; font-size: 16px; }
 .home-opening { grid-template-columns: 1fr; gap: 30px; }
 .opening-copy { max-width: 660px; }
 .intro-site h1 { font-size: 56px; }
 .opening-visual { max-width: 700px; width: 100%; margin: 0 auto; }
 .intro-hero { padding-top: 45px; }
 .intro-proofline span + span::before { display: none; }
 .page-opening { gap: 40px; }
 .page-opening h1 { font-size: 44px; }
 .workflow-chapter, .workflow-chapter.reverse { grid-template-columns: 1fr; }
 .workflow-chapter.reverse > div { order: 0; }
 .workflow-chapter > div { max-width: 620px; }
 .workflow-chapter h2 { font-size: 35px; }
 .intro-products { gap: 32px; }
 .dataset-list article { grid-template-columns: 30px 1fr; gap: 20px; }
 .dataset-use { display: none; }
 .code-heading { flex-wrap: wrap; }
 .code-example pre { font-size: 12px; padding: 24px 18px; }
}
@media (max-width: 650px) {
 .intro-site .container, .intro-site .masthead-inner, .intro-site .footer-inner { padding-inline: 22px; }
 .intro-site h1, .page-opening h1 { font-size: clamp(36px, 8.2vw, 48px); }
 .intro-site h2 { font-size: 32px; }
 .intro-site .eyebrow { font-size: 10px; margin-bottom: 18px; }
 .intro-site .hero-lede { font-size: 19px; }
 .intro-actions { gap: 18px; }
 .intro-site .btn { font-size: 14px; }
 .intro-hero { padding-top: 35px; }
 .intro-proofline { margin-top: 35px; font-size: 12px; display: grid; gap: 9px; }
 .intro-section { padding-block: 55px; }
 .editorial-split, .research-feature, .founder-grid, .contact-grid, .page-opening, .access-grid, .intro-products { grid-template-columns: 1fr; gap: 30px; }
 .section-heading { margin-bottom: 30px; }
 .intro-product > p { min-height: 0; }
 .intro-product + .intro-product { margin-top: 12px; }
 .research-story { padding: 23px; }
 .founder-section { padding-block: 44px; }
 .founder-grid h2 { font-size: 27px; }
 .intro-contact { padding-block: 50px; }
 .contact-grid { gap: 12px; }
 .page-opening { margin-bottom: 35px; gap: 25px; }
 .page-opening .eyebrow { margin-left: 10px; }
 .intro-site .intro-figure { padding: 10px 10px 12px; }
 .intro-site .intro-figure figcaption { font-size: 13px; }
 .figure-label { font-size: 9px; padding-bottom: 12px; }
 .figure-label-right { display: none; }
 .catalog-link { display: block; }
 .catalog-link .text-link { margin-top: 15px; }
 .section-description { font-size: 18px; }
 .dataset-list article { gap: 12px; }
 .dataset-list h3 { font-size: 24px; }
 .code-example { margin-top: 0; }
 .code-example pre { font-size: 12px; padding: 22px 14px; }
 .evaluation-steps { grid-template-columns: 1fr; gap: 28px; }
 .evaluation-steps li { border-top: 1px solid var(--rule); padding-top: 22px; }
 .evaluation-steps h3 { margin-bottom: 12px; }
 .intro-site .footer-inner { align-items: flex-start; }
 .intro-footer-note { padding-inline: 22px; flex-direction: column; gap: 8px; }
 .intro-site .movie-bar { gap: 8px; padding-inline: 0; }
 .intro-site .movie-bar .movie-time { font-size: 10px; }
}