:root {
  --paper: #ffffff;
  --ink: #162b42;
  --accent: #285f89;
  --muted: #536b7d;
  --line: #cedce6;
  --surface: #eaf2f8;
  --apricot: #eac8a4;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: .22em; }
button, input, select, textarea { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
button, .button { cursor: pointer; }
button, .button, .nav-cta { min-height: 44px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.wrap { width: min(1320px, calc(100% - 96px)); margin-inline: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 400; }
p { text-wrap: pretty; }
.skip { position: absolute; top: 8px; left: 16px; padding: 12px 18px; background: var(--ink); color: #fff; z-index: 10; transform: translateY(-180%); }
.skip:focus { transform: none; }
.header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 23px; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; min-height: 44px; font-size: 27px; line-height: 1; font-weight: 700; letter-spacing: -1.3px; text-decoration: none; }
.header nav { display: flex; align-items: center; gap: 28px; }
.header nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; text-decoration: none; }
.header nav a:hover { text-decoration: underline; }
.header .nav-cta { border: 1px solid var(--ink); padding: 10px 17px; }
.header .nav-cta:hover { color: #fff; background: var(--ink); text-decoration: none; }
.hero-heading { padding-block: 69px 58px; display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
h1 { font-size: clamp(48px, 6.15vw, 89px); line-height: 1.03; letter-spacing: -.065em; }
.hero-heading > p { margin-bottom: 7px; max-width: 300px; font-size: 19px; line-height: 1.55; color: var(--muted); }
.exhibition-heading { padding: 0 0 15px; display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.exhibition-heading h2 { font-size: 18px; line-height: 1.4; }
.exhibition-heading > span { font-family: Verdana, sans-serif; font-size: 11px; color: var(--muted); }
.specimens { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.specimen { min-width: 0; }
.specimen-art { aspect-ratio: 1.18; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.concept-a .specimen-art { background: var(--apricot); }
.concept-b .specimen-art { background: var(--surface); }
.specimen svg { display: block; height: 100%; width: 100%; }
.specimen figcaption { display: flex; gap: 16px; padding-block: 23px 20px; border-bottom: 1px solid var(--line); }
.option-letter { font-size: 14px; width: 29px; height: 29px; border: 1px solid var(--line); display: grid; place-items: center; flex-shrink: 0; }
.specimen h3 { font-size: 23px; line-height: 1.25; letter-spacing: -.025em; }
.specimen figcaption p { font-size: 14px; color: var(--muted); margin-top: 5px; }
.gallery-note { display: flex; justify-content: space-between; gap: 24px; padding-block: 15px; font-family: Verdana, sans-serif; color: var(--muted); font-size: 11px; }
.inset-intro { width: 83.333%; margin: 62px auto 100px; display: grid; grid-template-columns: 1fr 2.1fr; gap: 50px; }
.intro-label, .section-label { font-size: 13px; color: var(--muted); }
.intro-label { padding-top: 9px; max-width: 150px; }
.inset-intro h2 { font-size: clamp(29px, 3vw, 43px); line-height: 1.18; letter-spacing: -.04em; }
.inset-intro div > p { max-width: 600px; margin-top: 24px; font-size: 18px; line-height: 1.65; color: var(--muted); }
.text-link { display: inline-flex; gap: 14px; align-items: center; min-height: 44px; margin-top: 18px; font-size: 14px; color: var(--accent); text-decoration-thickness: 1px; }
.text-link:hover { color: var(--ink); }
.workflow { padding-block: 65px 75px; border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 34px; }
.section-heading h2 { margin-top: 15px; font-size: clamp(32px, 3.7vw, 51px); line-height: 1.1; letter-spacing: -.045em; }
.demo-controls { text-align: right; }
.demo-controls p { font-size: 12px; color: var(--muted); max-width: 280px; }
.demo-controls > div { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
button { padding: 9px 19px; background: var(--paper); color: var(--ink); border: 1px solid var(--line); border-radius: 0; }
button:hover { border-color: var(--accent); background: var(--surface); }
button:disabled { cursor: default; opacity: .65; }
.handoff { display: grid; grid-template-columns: 1fr 1.4fr; border: 1px solid var(--line); }
.request-brief { background: var(--surface); padding: 35px 38px; }
.request-brief h3 { font-size: clamp(24px, 2.6vw, 35px); line-height: 1.23; letter-spacing: -.035em; margin-top: 22px; max-width: 370px; }
.request-brief dl { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 14px 16px; font-size: 14px; margin-block: 28px; }
.request-brief dt { color: var(--muted); }
.request-brief dd { margin: 0; }
.small { font-size: 12px; color: var(--muted); }
.handoff-details { display: flex; flex-direction: column; min-width: 0; }
.evidence-flow { flex: 1; padding: 24px 32px; }
.evidence-flow > div { border-bottom: 1px solid var(--line); padding-block: 14px; }
.evidence-flow > div:last-child { border-bottom: 0; }
.stage-name { font-size: 12px; color: var(--muted); display: block; margin-bottom: 4px; }
.evidence-flow strong { font-size: 19px; font-weight: 400; letter-spacing: -.02em; }
.evidence-flow p { color: var(--muted); font-size: 13px; line-height: 1.6; margin-top: 5px; max-width: 500px; }
.signal { display: flex; gap: 13px; background: var(--ink); color: #fff; padding: 23px 32px; min-height: 116px; }
.signal-dot { background: var(--apricot); width: 7px; height: 7px; border-radius: 50%; margin-top: 6px; flex-shrink: 0; }
#phase-label { font-family: Verdana, sans-serif; font-size: 10px; letter-spacing: .035em; }
#phase-copy { font-size: 14px; line-height: 1.5; margin-top: 6px; color: #dfebf4; }
.journey { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); padding: 0; margin: 30px 0 0; gap: 24px; }
.journey li { border-top: 1px solid var(--line); padding-top: 15px; }
.journey li.active { border-top-color: var(--accent); }
.journey li > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.journey strong { display: block; font-size: 15px; font-weight: 500; }
.journey p { font-size: 13px; color: var(--muted); margin-top: 6px; }
.promise { background: var(--surface); padding-block: 68px; }
.promise-inner { display: grid; grid-template-columns: .8fr 2fr 1.3fr; align-items: start; gap: 38px; }
.promise h2 { max-width: 520px; font-size: clamp(30px, 3vw, 43px); line-height: 1.15; letter-spacing: -.045em; }
.promise-inner > p:last-child { font-size: 14px; line-height: 1.75; color: var(--muted); }
.context { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-block: 100px; }
.context h2 { font-size: clamp(32px, 3.5vw, 48px); line-height: 1.13; letter-spacing: -.045em; }
.context > div { max-width: 530px; }
.context p { color: var(--muted); font-size: 17px; }
.context p + p { margin-top: 18px; font-size: 14px; }
.registration { border-top: 1px solid var(--line); padding-block: 65px; }
.registration h2 { font-size: clamp(32px, 3.7vw, 51px); line-height: 1.12; letter-spacing: -.045em; }
.registration .form-intro p { margin-top: 16px; max-width: 600px; }
.manage { padding-block: 40px 65px; border-top: 1px solid var(--line); }
.footer { border-top: 1px solid var(--line); display: flex; gap: 24px; justify-content: space-between; align-items: center; padding-block: 23px; color: var(--muted); font-size: 12px; }
.footer a { display: inline-flex; align-items: center; min-height: 44px; }
@media (min-width: 1441px) {
  h1 { font-size: 89px; }
}
@media (max-width: 1024px) {
  .wrap { width: calc(100% - 64px); }
  .hero-heading { padding-top: 54px; gap: 26px; }
  .hero-heading > p { font-size: 16px; max-width: 235px; }
  .inset-intro { width: 90%; gap: 30px; }
  .promise-inner { grid-template-columns: 1fr 2fr; }
  .promise-inner > p:last-child { grid-column: 2; }
  .request-brief { padding: 29px 25px; }
  .evidence-flow { padding-inline: 25px; }
  .signal { padding-inline: 25px; }
  .journey { gap: 16px; }
  .context { gap: 45px; }
}
@media (max-width: 768px) {
  .wrap { width: calc(100% - 40px); }
  .header { gap: 16px; padding-block: 16px; }
  .wordmark { font-size: 24px; }
  .header nav { gap: 15px; }
  .header nav a { font-size: 12px; }
  .header .nav-cta { padding-inline: 11px; }
  .hero-heading { padding-block: 45px 35px; }
  h1 { font-size: clamp(44px, 6.4vw, 60px); }
  .hero-heading > p { font-size: 14px; max-width: 188px; }
  .exhibition-heading { align-items: flex-start; }
  .exhibition-heading h2 { font-size: 15px; }
  .exhibition-heading > span { max-width: 115px; text-align: right; }
  .specimens { gap: 12px; }
  .specimen-art { aspect-ratio: .9; }
  .specimen figcaption { gap: 10px; padding-top: 17px; }
  .specimen h3 { font-size: 19px; }
  .specimen figcaption p { font-size: 12px; }
  .gallery-note { font-size: 10px; }
  .inset-intro { width: 100%; margin-block: 45px 65px; grid-template-columns: 1fr 2.5fr; gap: 24px; }
  .inset-intro h2 { font-size: 30px; }
  .inset-intro div > p { font-size: 16px; }
  .intro-label { font-size: 12px; }
  .workflow { padding-block: 45px 55px; }
  .section-heading h2 { font-size: 35px; }
  .demo-controls p { max-width: 200px; }
  .handoff { grid-template-columns: 1fr 1.15fr; }
  .request-brief { padding: 25px 21px; }
  .request-brief dl { grid-template-columns: 1fr; gap: 4px; }
  .request-brief dd { margin-bottom: 12px; }
  .evidence-flow { padding: 16px 21px; }
  .signal { padding: 20px; }
  .journey { gap: 12px; }
  .journey strong { font-size: 13px; }
  .journey p { font-size: 12px; }
  .promise { padding-block: 45px; }
  .promise-inner { gap: 20px; grid-template-columns: 1fr 2.5fr; }
  .context { padding-block: 65px; gap: 30px; }
  .context h2 { font-size: 34px; }
}
@media (max-width: 600px) {
  .wrap { width: calc(100% - 32px); }
  .header { flex-wrap: wrap; gap: 7px; padding-block: 12px; }
  .wordmark { font-size: 26px; }
  .header nav { justify-content: space-between; width: 100%; gap: 12px; }
  .header nav a { font-size: 12px; }
  .header .nav-cta { margin-left: auto; padding-inline: 12px; }
  .hero-heading { display: block; padding-block: 37px 32px; }
  h1 { font-size: clamp(39px, 9.65vw, 58px); line-height: 1.07; letter-spacing: -.06em; }
  .hero-heading > p { margin-top: 22px; max-width: none; font-size: 16px; }
  .hero-heading > p br { display: none; }
  .exhibition-heading { display: block; padding-bottom: 12px; }
  .exhibition-heading h2 { font-size: 16px; }
  .exhibition-heading > span { display: block; max-width: none; text-align: left; margin-top: 5px; font-size: 10px; }
  .specimens { gap: 8px; }
  .specimen-art { aspect-ratio: .65; }
  .specimen svg { width: 146%; max-width: none; flex-shrink: 0; }
  .specimen figcaption { display: block; padding-block: 14px 16px; }
  .option-letter { width: 25px; height: 25px; font-size: 12px; margin-bottom: 10px; }
  .specimen h3 { font-size: 18px; line-height: 1.2; }
  .specimen figcaption p { font-size: 12px; line-height: 1.5; margin-top: 8px; }
  .gallery-note { display: block; line-height: 1.6; }
  .gallery-note p + p { margin-top: 3px; }
  .inset-intro { display: block; margin-block: 32px 50px; }
  .intro-label { max-width: none; padding: 0; margin-bottom: 16px; }
  .inset-intro h2 { font-size: 29px; }
  .inset-intro div > p { margin-top: 18px; font-size: 16px; }
  .text-link { font-size: 13px; gap: 8px; }
  .section-heading { display: block; margin-bottom: 24px; }
  .section-heading h2 { font-size: 34px; }
  .demo-controls { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 24px; text-align: left; }
  .demo-controls p { max-width: 150px; font-size: 11px; }
  .demo-controls > div { margin: 0; gap: 6px; }
  .demo-controls button { padding-inline: 13px; font-size: 13px; }
  .handoff { grid-template-columns: 1fr; }
  .request-brief { padding: 25px 23px; }
  .request-brief h3 { font-size: 28px; }
  .request-brief dl { grid-template-columns: 63px minmax(0, 1fr); gap: 13px; margin-block: 22px; }
  .request-brief dd { margin: 0; }
  .evidence-flow { padding: 15px 23px; }
  .signal { min-height: 130px; padding: 22px; }
  .journey { display: block; margin-top: 24px; }
  .journey li { display: grid; grid-template-columns: 30px 1fr; column-gap: 12px; padding-block: 14px; }
  .journey li > span { grid-row: 1 / 3; margin: 1px 0 0; }
  .journey strong { font-size: 15px; }
  .journey p { grid-column: 2; margin-top: 3px; font-size: 13px; }
  .promise-inner { display: block; }
  .promise h2 { font-size: 35px; margin-top: 18px; }
  .promise-inner > p:last-child { margin-top: 23px; }
  .context { display: block; padding-block: 50px; }
  .context h2 { font-size: 34px; margin-bottom: 25px; }
  .context p { font-size: 16px; }
  .registration { padding-block: 45px; }
  .footer { align-items: center; gap: 16px; font-size: 11px; padding-block: 16px; }
  .footer p { max-width: 220px; }
}
.demo-controls { display: block; text-align: right; }
#demo.enhanced .evidence-flow { min-height: 220px; margin-top: 0; border-top: 0; }
#demo.enhanced .evidence-flow > div { inset: 23px 32px auto; }
#demo.enhanced[data-phase="0"] .evidence-flow::after { padding-top: 25px; max-width: 35ch; color: var(--muted); }
@media (max-width: 768px) {
  #demo.enhanced .evidence-flow > div { inset-inline: 21px; }
}
@media (max-width: 600px) {
  .demo-controls { display: flex; }
  .registration { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  #demo.enhanced .evidence-flow { min-height: 0; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}