:root {
  --ink: #15171a;
  --blue: #2453ff;
  --muted: #60656f;
  --line: #bec1c8;
  --paper: #f1f2f5;
  --space: clamp(24px, 4.4vw, 80px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: 'DM Sans', Arial, sans-serif; font-size: 17px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
body.dialog-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; color: inherit; background: none; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { border-radius: 0; }
h1, h2, h3, h4, p, blockquote, dl, dd { margin: 0; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.04; letter-spacing: -.055em; }
h2 { font-size: clamp(44px, 5.2vw, 78px); }
h3 { font-size: 30px; }
p { text-wrap: pretty; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
::selection { background: #cbd6ff; color: var(--ink); }
.container { width: min(1680px, calc(100% - var(--space) * 2)); margin-inline: auto; }
.section { padding-block: clamp(64px, 7vw, 112px); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; z-index: 5; top: -100px; left: 16px; padding: 12px 20px; color: #fff; background: var(--blue); }
.skip-link:focus { top: 12px; }
.site-header { min-height: 112px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--ink); gap: 32px; }
.wordmark { font-size: 28px; font-weight: 700; line-height: .93; letter-spacing: -.055em; }
#primary-nav { display: flex; align-items: center; gap: clamp(24px, 3.4vw, 60px); }
#primary-nav > a:not(.button), .site-footer nav a { transition: color .15s; }
#primary-nav > a:hover, .site-footer nav a:hover { color: var(--blue); }
#primary-nav > .button:hover { color: #fff; }
.button { display: inline-flex; min-height: 56px; align-items: center; justify-content: space-between; gap: 30px; border: 1px solid var(--blue); padding: 15px 24px; background: var(--blue); color: #fff; font-weight: 500; text-align: left; transition: background .15s, color .15s; }
.button span { font-size: 25px; line-height: 1; font-weight: 400; }
.button:hover { background: #173dcd; }
.button.outline { background: transparent; color: var(--blue); }
.button.outline:hover { background: var(--blue); color: #fff; }
.wide { width: 100%; }
.menu-toggle { display: none; }
.hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 6%; padding-block: clamp(70px, 7.2vw, 118px) clamp(50px, 5vw, 80px); align-items: center; }
h1 { font-size: clamp(64px, 7.4vw, 128px); letter-spacing: -.065em; line-height: 1.03; }
.hero-copy > p { max-width: 700px; margin-top: 36px; font-size: clamp(20px, 1.8vw, 27px); line-height: 1.5; }
.hero-methods { border-left: 1px solid var(--line); padding-left: clamp(28px, 4vw, 65px); }
.hero-methods > a { display: block; padding-block: 28px; }
.hero-methods > a:first-child { border-bottom: 1px solid var(--ink); padding-top: 8px; }
.hero-methods > a:last-child { padding-bottom: 8px; }
.method-link-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: clamp(28px, 3vw, 48px); font-weight: 700; line-height: 1.2; letter-spacing: -.05em; }
.method-link-title > span { font-weight: 400; font-size: .85em; color: var(--blue); transition: transform .15s; }
.hero-methods a:hover .method-link-title { color: var(--blue); }
.hero-methods a:hover .method-link-title > span { transform: translate(3px, -3px); }
.hero-methods a > span:last-child { display: block; margin-top: 14px; max-width: 390px; color: var(--muted); font-size: clamp(17px, 1.4vw, 21px); }
.hero-use-cases { margin-top: 24px; }
.use-cases-section { padding-top: 0; }
.use-cases-heading > .lead { max-width: 650px; margin-top: 28px; }
.use-cases-index { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 38px; padding-bottom: 30px; }
.use-cases-index a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 15px; }
.use-cases-index a:hover { color: var(--blue); }
.use-cases-index span { color: var(--blue); font-family: ui-monospace, monospace; font-size: 12px; }
.use-case { display: grid; grid-template-columns: 1fr 1fr; gap: 7%; padding-block: clamp(48px, 6vw, 88px); border-top: 1px solid var(--ink); align-items: start; }
.use-case:last-child { padding-bottom: 0; }
.use-case-copy { min-width: 0; }
.use-case-copy h3 { font-size: clamp(38px, 4vw, 62px); }
.use-case-copy > p:not(.eyebrow) { max-width: 570px; margin-top: 24px; font-size: 19px; color: var(--muted); }
.use-case-options { margin-block: 30px 20px; border-top: 1px solid var(--line); }
.use-case-options details { border-bottom: 1px solid var(--line); }
.use-case-options summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 18px; cursor: pointer; list-style: none; font-weight: 500; }
.use-case-options summary::-webkit-details-marker { display: none; }
.use-case-options summary > span { flex-shrink: 0; position: relative; width: 14px; height: 14px; color: var(--blue); }
.use-case-options summary > span::before, .use-case-options summary > span::after { content: ''; position: absolute; background: currentColor; }
.use-case-options summary > span::before { top: 6px; left: 0; width: 14px; height: 2px; }
.use-case-options summary > span::after { top: 0; left: 6px; width: 2px; height: 14px; }
.use-case-options details[open] summary > span::after { display: none; }
.use-case-options summary:hover, .use-case-options details[open] summary { color: var(--blue); }
.use-case-options details > p { padding: 0 24px 22px 0; font-size: 16px; color: var(--muted); line-height: 1.65; }
.study-example { margin: 0; padding: clamp(24px, 3.2vw, 48px); background: var(--paper); min-width: 0; }
.study-example figcaption { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 24px; border-bottom: 1px solid currentColor; }
.study-example figcaption > span:last-child { font-size: 24px; letter-spacing: -.05em; }
.study-example h4 { font-size: clamp(30px, 3vw, 46px); margin-block: 30px; }
.concept-pair { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--ink); background: #fff; }
.concept-pair > div { padding: 22px; }
.concept-pair > div + div { border-left: 1px solid var(--ink); background: var(--blue); color: #fff; }
.concept-pair strong { display: block; font-size: clamp(24px, 2.3vw, 36px); line-height: 1.05; letter-spacing: -.045em; margin-block: 24px 18px; }
.concept-pair p { font-size: 14px; }
.study-example .study-question { font-size: clamp(20px, 1.8vw, 26px); line-height: 1.4; letter-spacing: -.025em; margin-top: 30px; }
.study-approach { padding-top: 20px; margin-top: 26px; border-top: 1px solid currentColor; font-size: 14px; }
.study-approach > span { font-weight: 600; }
.study-approach > p { margin-top: 6px; }
.message-example, .market-example { background: var(--blue); color: #fff; }
.message-sample { padding: 22px; border: 1px solid rgb(255 255 255 / 50%); }
.message-sample + .message-sample { margin-top: 12px; background: #fff; color: var(--ink); }
.message-sample > p { font-size: clamp(24px, 2.5vw, 38px); font-weight: 600; line-height: 1.12; letter-spacing: -.04em; margin-top: 16px; }
.audience-roles, .journey-steps { list-style: none; padding: 0; margin: 0; }
.audience-roles li { display: flex; gap: 20px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.audience-roles li > span { color: var(--blue); font-size: 28px; font-weight: 600; letter-spacing: -.04em; }
.audience-roles strong { font-size: 20px; }
.audience-roles p { font-size: 15px; margin-top: 6px; color: var(--muted); }
.offer-path { padding: 24px 0; border-block: 1px solid rgb(255 255 255 / 50%); }
.offer-path + .offer-path { border-top: 0; }
.offer-path p { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; font-size: clamp(16px, 1.6vw, 23px); margin-top: 16px; }
.journey-steps li { display: flex; align-items: center; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.journey-steps li > span { display: grid; place-items: center; width: 38px; height: 38px; background: var(--blue); color: #fff; font-family: ui-monospace, monospace; font-size: 13px; flex-shrink: 0; }
.journey-steps strong { font-size: 18px; font-weight: 500; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); padding: 24px 0; list-style: none; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); gap: 32px; margin-top: 0; margin-bottom: 70px; }
.process li { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); white-space: nowrap; font-size: 19px; }
.process li > span { color: var(--blue); font-size: 34px; font-weight: 700; letter-spacing: -.05em; }
.process i { font-style: normal; margin-left: auto; font-size: 28px; }
.research-section, .pricing-section { background: var(--paper); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 46px; }
.segmented { display: flex; border: 1px solid var(--ink); }
.segmented button { padding: 18px 32px; border: 0; min-width: 200px; min-height: 60px; }
.segmented button + button { border-left: 1px solid var(--ink); }
.segmented button[aria-selected="true"] { background: var(--blue); color: #fff; }
.segmented button:hover:not([aria-selected="true"]) { background: #e3e6ec; }
.research-workspace { display: grid; grid-template-columns: .85fr 1.25fr; background: #fff; border: 1px solid var(--ink); }
.study-scope { padding: clamp(26px, 3.2vw, 54px); border-right: 1px solid var(--ink); display: flex; flex-direction: column; align-items: flex-start; }
.section-index { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; line-height: 1.5; letter-spacing: .035em; }
.study-scope > .section-index { color: var(--blue); margin-bottom: 22px; }
.study-scope h3 { font-size: clamp(36px, 3.4vw, 54px); }
.lead { font-size: clamp(20px, 1.7vw, 26px); line-height: 1.4; letter-spacing: -.02em; }
.study-scope > .lead { margin-top: 20px; }
.scope-list { width: 100%; margin-top: 35px; border-top: 1px solid var(--line); }
.scope-list > div { display: grid; grid-template-columns: 100px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.scope-list dt { font-weight: 600; }
.scope-note { font-size: 15px; color: var(--muted); margin: 26px 0; }
.study-scope > .button { margin-top: auto; }
.text-link { display: inline-flex; justify-content: space-between; align-items: center; gap: 18px; padding: 0; min-height: 44px; border: 0; color: var(--blue); font-weight: 500; text-align: left; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.study-scope > .text-link { margin-top: 12px; }
.example-output { padding: clamp(24px, 2.6vw, 44px); min-width: 0; }
.output-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); padding-bottom: 22px; }
.output-header h3 { font-size: 24px; letter-spacing: -.035em; }
.output-header p { margin-top: 8px; color: var(--muted); font-size: 12px; }
.compact button { min-width: 70px; min-height: 40px; padding: 8px 16px; font-size: 14px; }
.sample-context { margin-top: 22px; font-size: 14px; color: var(--muted); }
.participant-tabs { display: flex; gap: 20px; margin-top: 14px; border-bottom: 1px solid var(--line); }
.participant-tabs button { min-height: 44px; padding: 8px 4px; border: 0; border-bottom: 2px solid transparent; font-size: 14px; color: var(--muted); }
.participant-tabs button[aria-selected="true"] { color: var(--blue); border-bottom-color: var(--blue); }
.responses { padding-top: 22px; min-height: 322px; }
.response + .response { margin-top: 20px; }
.response h4 { font-size: 14px; line-height: 1.4; letter-spacing: 0; font-weight: 600; }
.response blockquote { padding: 12px 16px; margin-top: 8px; background: var(--paper); font-size: 16px; line-height: 1.5; }
.finding { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.finding > span { color: var(--muted); }
.finding h4 { margin-top: 12px; font-size: 26px; letter-spacing: -.04em; }
.finding p { margin-top: 8px; font-size: 16px; }
.data-note { color: var(--muted); font-size: 13px; line-height: 1.6; margin-top: 20px; }
.output-actions { border-top: 1px solid var(--line); margin-top: 24px; padding-top: 12px; display: flex; gap: 24px; flex-wrap: wrap; align-items: center; font-size: 14px; }
#copy-status { width: 100%; font-size: 13px; }
#copy-status:empty { display: none; }
pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
#json-output { font-size: 12px; line-height: 1.7; background: var(--paper); padding: 18px; margin: 24px 0 0; max-height: 555px; overflow: auto; tab-size: 2; white-space: pre-wrap; overflow-wrap: anywhere; }
.chart { margin-top: 38px; }
.bar-label { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; font-size: 16px; }
.bar-label b { font-size: 30px; font-weight: 600; margin-left: 16px; letter-spacing: -.04em; }
.bar-track { background: var(--paper); height: 40px; margin: 8px 0 22px; }
.bar-fill { height: 100%; background: var(--blue); }
.bar-fill.secondary { background: var(--ink); }
.sample-method { font-size: 14px; margin-top: 30px; }
.sample-method > div { display: flex; justify-content: space-between; gap: 16px; padding-block: 10px; border-bottom: 1px solid var(--line); }
.sample-method dt { color: var(--muted); }
.sample-method dd { text-align: right; }
.audience-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--ink); margin-bottom: 58px; }
.audience-tabs button { min-height: 82px; display: flex; align-items: center; gap: 22px; padding: 20px 28px; border: 0; text-align: left; font-size: 21px; font-weight: 500; }
.audience-tabs button + button { border-left: 1px solid var(--ink); }
.audience-tabs span { font-family: ui-monospace, monospace; font-size: 12px; }
.audience-tabs i { font-style: normal; margin-left: auto; }
.audience-tabs button[aria-selected="true"] { background: var(--blue); color: #fff; }
.audience-tabs button:hover:not([aria-selected="true"]) { background: var(--paper); }
.audience-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 7%; scroll-margin-top: 28px; }
.audience-copy h2 { font-size: clamp(48px, 5.5vw, 84px); }
.audience-copy .lead { margin: 28px 0; max-width: 570px; }
.audience-copy > .text-link { margin-top: 16px; }
.link-row { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
.interface-spec { align-self: start; border: 1px solid var(--ink); }
.table-caption { display: flex; justify-content: space-between; gap: 18px; padding: 20px 24px; background: var(--paper); font-family: ui-monospace, monospace; font-size: 12px; border-bottom: 1px solid var(--ink); }
.table-caption span:last-child { color: var(--muted); }
.interface-spec dl > div { display: grid; grid-template-columns: 170px 1fr; border-bottom: 1px solid var(--line); }
.interface-spec dt { padding: 26px 22px; color: var(--blue); font-family: ui-monospace, monospace; font-size: 14px; border-right: 1px solid var(--line); }
.interface-spec dd { padding: 26px 22px; font-size: 16px; }
.interface-spec > .data-note { padding: 22px 24px; margin: 0; }
.detail-row { display: flex; gap: 28px; padding: 26px 0; border-top: 1px solid var(--ink); }
.detail-row > span { color: var(--blue); font-family: ui-monospace, monospace; font-size: 13px; padding-top: 5px; }
.detail-row h3 { font-size: 27px; letter-spacing: -.035em; }
.detail-row p { color: var(--muted); margin-top: 14px; }
.pricing-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 7%; align-items: end; margin-bottom: 48px; }
.pricing-heading > p { max-width: 550px; font-size: 20px; }
.pricing-table { width: 100%; border-collapse: collapse; border: 1px solid var(--ink); font-size: 17px; }
.pricing-table th, .pricing-table td { padding: 24px; text-align: left; border: 1px solid var(--line); }
.pricing-table thead th { font-family: ui-monospace, monospace; font-size: 12px; text-transform: uppercase; font-weight: 400; }
.pricing-table tbody th { font-size: 20px; letter-spacing: -.03em; }
.pricing-table td:nth-child(2) { width: 40%; }
.pricing-table td:nth-child(3) { white-space: nowrap; }
.pricing-table .text-link { white-space: nowrap; }
.site-footer { padding-block: 40px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.site-footer nav { display: flex; align-items: center; gap: 36px; font-size: 14px; }
dialog { width: min(600px, calc(100% - 32px)); max-height: calc(100dvh - 48px); border: 1px solid var(--ink); padding: 32px; color: var(--ink); }
dialog::backdrop { background: rgb(21 23 26 / 55%); }
.dialog-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 20px; }
.close-dialog { width: 44px; height: 44px; border: 1px solid var(--line); font-size: 26px; }
dialog h2 { font-size: 43px; }
dialog > p { color: var(--muted); margin-top: 18px; font-size: 16px; }
form label { display: block; margin-top: 22px; margin-bottom: 8px; font-size: 14px; font-weight: 500; }
form label span { color: var(--muted); font-weight: 400; }
form input, form select, form textarea { width: 100%; border: 1px solid #8c929e; background: #fff; color: var(--ink); padding: 12px; }
form textarea { resize: vertical; }
form > .button { margin-top: 24px; }
.form-status { font-size: 14px; margin-top: 16px; }
.form-status:empty { display: none; }
#primary-nav > a[aria-current="page"] { color: var(--blue); text-decoration: underline; text-underline-offset: 8px; }
.site-domain { color: var(--muted); font-size: 14px; }
.eyebrow, .hero-copy > .eyebrow { margin: 0 0 24px; color: var(--blue); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; letter-spacing: .045em; }
.landing-hero { align-items: center; border-bottom: 1px solid var(--ink); margin-bottom: 0; }
.landing-hero h1 { font-size: clamp(64px, 6.6vw, 112px); }
.hero-actions { margin-top: 32px; gap: 14px 24px; }
.route-section { background: var(--paper); }
.route-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--ink); background: #fff; }
.route-card { display: flex; flex-direction: column; align-items: flex-start; padding: clamp(24px, 3vw, 48px); }
.route-card + .route-card { border-left: 1px solid var(--ink); }
.route-card .section-index, .output-card .section-index { color: var(--blue); }
.route-card h3 { font-size: clamp(30px, 2.7vw, 42px); margin-top: 34px; }
.route-card p { margin-block: 22px 30px; color: var(--muted); }
.route-card .text-link { margin-top: auto; }
a.route-card:hover { background: #eaf0ff; }
.code-sample { min-width: 0; border: 1px solid var(--ink); }
.code-sample pre, .output-card pre { margin: 0; padding: 26px; font-size: 14px; line-height: 1.85; white-space: pre-wrap; overflow-wrap: anywhere; }
.code-sample > .data-note { margin: 0; padding: 0 26px 26px; }
.section-intro { max-width: 400px; color: var(--muted); }
.output-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.output-card { min-width: 0; padding: clamp(26px, 3vw, 48px); background: #fff; border: 1px solid var(--ink); }
.output-card h3 { font-size: clamp(32px, 3vw, 44px); margin-top: 26px; }
.output-card > p { color: var(--muted); margin-top: 22px; }
.output-card pre { background: var(--paper); margin-block: 26px 14px; }
.output-card > .text-link { display: flex; width: fit-content; }
.partner-scope { background: var(--blue); color: #fff; padding: clamp(28px, 3vw, 48px); }
.partner-scope h2 { margin-top: 26px; font-size: clamp(42px, 4vw, 66px); }
.partner-scope > p { margin-top: 22px; font-size: 20px; }
.partner-scope dl { margin-top: 30px; font-size: 14px; }
.partner-scope dl > div { display: grid; grid-template-columns: 75px 1fr; gap: 14px; border-top: 1px solid rgb(255 255 255 / 40%); padding-block: 14px; }
.capability-grid .capability-detail { margin: auto 0 0; border-top: 1px solid var(--line); padding-top: 22px; font-size: 15px; }
.profile-example { padding: 28px; border: 1px solid var(--ink); background: #fff; }
.profile-example .scope-list { margin-top: 0; border-top: 0; }
.profile-example .button { margin-top: 24px; }
@media (min-width: 1800px) {
  .hero { padding-block: 120px; }
  .study-scope, .example-output { padding: 48px; }
}
@media (max-width: 1100px) {
  :root { --space: 32px; }
  #primary-nav { gap: 24px; font-size: 14px; }
  .wordmark { font-size: 25px; }
  .use-case { gap: 4%; }
  .concept-pair > div { padding: 16px; }
  .hero { gap: 4%; grid-template-columns: 1.3fr 1fr; }
  .landing-hero h1 { font-size: clamp(48px, 6.1vw, 68px); }
  .route-card { padding: 24px; }
  .code-sample pre, .output-card pre { font-size: 12px; padding: 20px; }
  h1 { font-size: clamp(52px, 6.3vw, 70px); }
  .hero-copy > p { font-size: 20px; }
  .hero-methods { padding-left: 28px; }
  .method-link-title { font-size: 31px; }
  .process { gap: 24px; }
  .process li { font-size: 16px; gap: 12px; }
  .process li > span { font-size: 28px; }
  .segmented button { min-width: 160px; }
  .compact button { min-width: 60px; }
  .research-workspace { grid-template-columns: .9fr 1.1fr; }
  .scope-list > div { grid-template-columns: 1fr; gap: 6px; padding: 16px 0; }
  .output-header { align-items: flex-start; flex-direction: column; }
  .audience-tabs button { padding: 20px; gap: 14px; font-size: 18px; }
  .audience-panel { gap: 5%; }
  .interface-spec dl > div { grid-template-columns: 1fr; }
  .interface-spec dt { padding: 20px 22px 0; border: 0; }
  .interface-spec dd { padding-top: 12px; }
  .pricing-table th, .pricing-table td { padding: 18px; font-size: 15px; }
}
@media (max-width: 760px) {
  :root { --space: 22px; }
  html { scroll-padding-top: 20px; }
  body { font-size: 16px; }
  .site-header { min-height: 91px; flex-wrap: wrap; gap: 0; }
  .menu-toggle { display: flex; align-items: center; justify-content: space-between; gap: 22px; border: 1px solid var(--ink); padding: 10px 14px; min-height: 44px; font-size: 14px; }
  .menu-toggle > span { font-size: 22px; line-height: 1; }
  #primary-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 0 22px; }
  #primary-nav.is-open { display: flex; }
  #primary-nav > a:not(.button) { padding: 16px 0; border-top: 1px solid var(--line); font-size: 17px; }
  #primary-nav > .button { margin-top: 10px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-block: 58px 42px; }
  .use-case { grid-template-columns: 1fr; gap: 32px; }
  .use-case-copy h3 { font-size: 38px; }
  .use-case-copy > p:not(.eyebrow) { font-size: 17px; }
  .use-cases-index { gap: 4px 20px; margin-top: 24px; padding-bottom: 24px; }
  .use-cases-heading > .lead { font-size: 20px; }
  .use-case-options summary { font-size: 16px; }
  .study-example { padding: 24px; }
  .study-example figcaption .section-index { font-size: 10px; }
  .concept-pair > div { padding: 14px; }
  .concept-pair strong { font-size: clamp(23px, 5vw, 32px); }
  .concept-pair p { font-size: 12px; }
  .landing-hero h1 { font-size: clamp(43px, 9.4vw, 68px); }
  .hero-actions > .button { width: 100%; }
  .route-grid, .output-grid { grid-template-columns: 1fr; }
  .route-card + .route-card { border-left: 0; border-top: 1px solid var(--ink); }
  .route-card h3 { margin-top: 24px; }
  .site-footer { flex-wrap: wrap; }
  .site-footer .site-domain { margin-left: auto; }
  .site-footer nav { width: 100%; }
  .profile-example { padding: 22px; }
  h1 { font-size: clamp(43px, 8.7vw, 68px); }
  .hero-copy > p { margin-top: 24px; font-size: 19px; max-width: 560px; }
  .hero-methods { border-left: 0; padding-left: 0; border-top: 1px solid var(--ink); }
  .hero-methods > a, .hero-methods > a:first-child, .hero-methods > a:last-child { padding: 24px 0; }
  .method-link-title { font-size: 31px; }
  .hero-methods a > span:last-child { font-size: 16px; margin-top: 8px; max-width: none; }
  .process { grid-template-columns: 1fr 1fr; gap: 20px 26px; padding: 22px 0; margin-bottom: 48px; }
  .process li { font-size: 14px; gap: 12px; }
  .process li > span { font-size: 25px; }
  .process i { display: none; }
  .section-heading { flex-direction: column; align-items: stretch; gap: 30px; margin-bottom: 24px; }
  h2 { font-size: 44px; }
  .section-heading h2 br { display: none; }
  .segmented button { min-width: 0; flex: 1; padding: 15px 14px; font-size: 15px; }
  .compact button { padding: 8px 16px; font-size: 14px; }
  .research-workspace { grid-template-columns: 1fr; }
  .study-scope { border-right: 0; border-bottom: 1px solid var(--ink); padding: 28px 24px; }
  .study-scope h3 { font-size: 38px; }
  .study-scope > .section-index { margin-bottom: 18px; }
  .study-scope > .lead { font-size: 20px; }
  .scope-list { margin-top: 28px; }
  .scope-list > div { grid-template-columns: 87px 1fr; gap: 14px; }
  .scope-note { margin-block: 22px; }
  .example-output { padding: 26px 24px; }
  .output-header { flex-direction: row; flex-wrap: wrap; gap: 18px; }
  .output-header h3 { font-size: 23px; }
  .participant-tabs { justify-content: space-between; gap: 10px; }
  .responses { min-height: 0; }
  .response blockquote { font-size: 15px; padding: 12px; }
  .finding h4 { font-size: 25px; }
  .bar-label { font-size: 14px; }
  .bar-label b { font-size: 26px; margin-left: 10px; }
  .sample-method { font-size: 12px; }
  .output-actions { gap: 18px; font-size: 13px; }
  .audience-tabs { grid-template-columns: 1fr; margin-bottom: 36px; }
  .audience-tabs button { min-height: 64px; font-size: 18px; }
  .audience-panel { grid-template-columns: 1fr; gap: 38px; }
  .audience-copy h2 { font-size: 48px; }
  .audience-copy .lead { font-size: 20px; }
  .audience-copy > .button, .link-row > .button { width: 100%; }
  .link-row { gap: 10px; }
  .table-caption { padding: 18px; font-size: 11px; }
  .interface-spec dt { padding-inline: 18px; }
  .interface-spec dd { padding-inline: 18px; }
  .interface-spec > .data-note { padding: 18px; }
  .detail-row { gap: 20px; }
  .detail-row h3 { font-size: 25px; }
  .pricing-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .pricing-heading h2 br { display: none; }
  .pricing-heading > p { font-size: 18px; }
  .pricing-table, .pricing-table tbody, .pricing-table tr { display: block; }
  .pricing-table thead { display: none; }
  .pricing-table tbody th, .pricing-table tbody td { display: block; border: 0; width: 100%; padding: 8px 24px; }
  .pricing-table tbody th { font-size: 26px; padding-top: 24px; }
  .pricing-table tbody td:nth-child(2) { width: 100%; }
  .pricing-table tbody td:nth-child(3) { font-weight: 600; }
  .pricing-table tbody td:last-child { padding-bottom: 20px; }
  .pricing-table tr + tr { border-top: 1px solid var(--ink); }
  .site-footer { align-items: flex-start; padding-block: 32px; }
  .site-footer nav { flex-direction: column; align-items: flex-start; gap: 16px; font-size: 13px; }
  dialog { padding: 24px; }
  dialog h2 { font-size: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}