:root {
  color-scheme: dark;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #080808;
  color: #f4f4f4;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --muted: #aaaaaa;
  --accent: #f4f4f4;
  --border: #ffffff20;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 280px; }
a { color: inherit; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { color: #080808; background: var(--accent); }
.page { width: min(100%, 1500px); min-height: 100svh; margin-inline: auto; padding: 32px clamp(24px, 6vw, 88px) 24px; display: flex; flex-direction: column; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 10; padding: 12px; background: #080808; }
.skip-link:focus { top: 12px; }
.header, .footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.header { padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; font-size: 27px; font-weight: 750; letter-spacing: -1.2px; text-decoration: none; }
.brand-mark { display: block; width: 44px; height: 44px; border-radius: 22%; }
.brand span { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: clamp(18px, 3vw, 38px); font-size: 13px; }
nav a { text-decoration: none; color: var(--muted); padding-block: 5px; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }
nav a[aria-current="page"] { box-shadow: 0 1px var(--accent); }
main { flex: 1; }
.eyebrow, .model-heading, .model-caption, .footer, .section-number, .small-tag, .stage-count, .range-labels { font-family: Consolas, "Courier New", monospace; font-size: 11px; letter-spacing: .035em; }
.eyebrow { color: #bcbcbc; display: flex; gap: 10px; align-items: center; line-height: 1.6; }
.status-dot { flex: 0 0 5px; height: 5px; border-radius: 50%; background: var(--accent); }
h1 { font-size: clamp(46px, 6.2vw, 88px); line-height: 1.04; letter-spacing: -.055em; font-weight: 550; margin: 26px 0; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(24px, 3vw, 36px); line-height: 1.2; font-weight: 500; letter-spacing: -.035em; }
.intro { max-width: 450px; color: var(--muted); font-size: 17px; line-height: 1.8; margin: 0; }
.hero { display: grid; grid-template-columns: 1fr 1.07fr; gap: clamp(32px, 5vw, 80px); align-items: center; padding: clamp(60px, 9vw, 128px) 0 80px; }
.hero-copy .eyebrow { max-width: 360px; }
.button { display: inline-flex; gap: 34px; align-items: center; justify-content: space-between; border: 1px solid var(--accent); background: var(--accent); color: #111111; padding: 15px 20px; border-radius: 3px; font-size: 13px; font-weight: 600; text-decoration: none; cursor: pointer; }
.button:hover { background: #dedede; border-color: #dedede; }
.hero .button { margin-top: 32px; }
.button-secondary { color: #dedede; border-color: #ffffff35; background: transparent; }
.button-secondary:hover { background: #ffffff0a; border-color: #ffffff70; }
.text-link { font-size: 13px; line-height: 1.7; text-decoration: none; }
.text-link:hover { color: var(--accent); }
.text-link span { padding-left: 10px; }
.model-card { background: linear-gradient(145deg, #1b1b1b 0%, #101010 70%); border: 1px solid #ffffff22; border-radius: 8px; overflow: hidden; }
.model-heading, .model-caption { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 20px 24px; color: #bcbcbc; }
.small-tag { font-size: 10px; padding: 5px 8px; border: 1px solid #ffffff25; border-radius: 3px; color: var(--accent); }
.part-view { min-height: 180px; background-image: linear-gradient(#ffffff06 1px, transparent 1px), linear-gradient(90deg, #ffffff06 1px, transparent 1px); background-size: 26px 26px; }
.part-view svg { display: block; width: 100%; height: auto; }
.model-caption { border-top: 1px solid #ffffff14; font-size: 10px; }
.home-note { display: grid; grid-template-columns: .45fr 1fr auto; gap: 36px; align-items: start; border-top: 1px solid var(--border); padding: 32px 0 56px; }
.section-number { color: var(--accent); padding-top: 4px; }
.home-note p { max-width: 410px; margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; }
.footer { padding-top: 22px; border-top: 1px solid var(--border); color: #a4a4a4; font-size: 10px; }
.footer-divider { padding-inline: 10px; color: #5c5c5c; }
.page-heading { padding: 60px 0 42px; }
.page-heading h1 { font-size: clamp(42px, 5vw, 66px); margin-top: 20px; }
.page-heading .intro { max-width: 620px; }
.demo-layout { display: grid; grid-template-columns: 1.65fr 1fr; gap: 40px; align-items: stretch; }
.demo-details { display: flex; flex-direction: column; justify-content: center; padding: 20px 0; }
.stage-count { color: var(--accent); }
.demo-details h2 { margin: 18px 0; }
.demo-details p { color: var(--muted); font-size: 15px; line-height: 1.8; margin: 0; }
.demo-controls { margin-top: 30px; border-top: 1px solid var(--border); padding-top: 28px; }
.demo-controls label { display: flex; align-items: center; justify-content: space-between; font-size: 13px; gap: 20px; }
.demo-controls output { color: var(--accent); font-family: Consolas, monospace; }
input[type="range"] { display: block; width: 100%; height: 32px; margin: 16px 0 4px; accent-color: var(--accent); cursor: pointer; }
.range-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; }
.control-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.control-buttons .button { min-width: 120px; padding: 12px 16px; gap: 12px; }
.demo-controls:has(input:disabled) { opacity: .55; }
.demo-note { max-width: 700px; color: #a4a4a4; font-size: 12px; line-height: 1.8; margin: 28px 0 56px; }
.about-main { max-width: 1000px; padding-bottom: 70px; }
.about-main .page-heading { padding-bottom: 20px; }
.principle { display: grid; grid-template-columns: 90px 1fr 1.15fr; gap: 32px; align-items: start; padding: 32px 0; border-top: 1px solid var(--border); }
.principle h2 { margin: 0; font-size: 24px; }
.principle p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.about-link { margin-top: 24px; }
.no-script { padding: 16px 24px; color: var(--muted); font-size: 13px; line-height: 1.7; }
@media (max-width: 950px) {
  .hero { gap: 32px; }
  .hero h1 { font-size: clamp(46px, 7vw, 70px); }
  .home-note { grid-template-columns: 80px 1fr; gap: 22px; }
  .home-note .text-link { grid-column: 2; }
  .demo-layout { gap: 28px; grid-template-columns: 1.25fr 1fr; }
}
@media (max-width: 700px) {
  .page { padding: 24px 22px; }
  .header { padding-bottom: 22px; }
  .brand { font-size: 22px; }
  .brand-mark { width: 40px; height: 40px; }
  nav { gap: 18px; font-size: 12px; }
  .hero { grid-template-columns: 1fr; padding: 50px 0 42px; gap: 42px; }
  .hero h1 { font-size: clamp(52px, 11vw, 76px); }
  .intro { font-size: 16px; }
  .eyebrow { font-size: 10px; }
  .model-heading, .model-caption { padding: 16px 20px; }
  .home-note { padding-bottom: 38px; }
  .footer { font-size: 9px; gap: 18px; flex-wrap: wrap; }
  .demo-layout { grid-template-columns: 1fr; gap: 12px; }
  .demo-details { padding-top: 12px; }
  .page-heading { padding-top: 44px; }
  .page-heading h1 { font-size: 46px; }
  .demo-note { margin-top: 18px; }
  .principle { grid-template-columns: 42px 1fr; gap: 18px; padding-block: 26px; }
  .principle p { grid-column: 2; }
}
@media (max-width: 370px) {
  .page { padding-inline: 16px; }
  .header { gap: 16px; }
  .brand { font-size: 19px; gap: 7px; }
  .brand-mark { width: 34px; height: 34px; }
  nav { gap: 13px; font-size: 11px; }
  .home-note { grid-template-columns: 1fr; }
  .home-note .text-link { grid-column: auto; }
  .page-heading h1 { font-size: 40px; }
}
@media (prefers-reduced-motion: no-preference) {
  a, button { transition: background-color .15s, color .15s, border-color .15s; }
}

/* Client-facing service pages. */
.nav-toggle { align-items: center; gap: 18px; padding: 9px 12px; background: transparent; color: inherit; border: 1px solid var(--border); border-radius: 3px; font-size: 12px; cursor: pointer; }
.nav-toggle span { font-size: 18px; line-height: 1; }
.business-hero { grid-template-columns: 1.15fr 1fr; gap: clamp(32px, 4vw, 60px); padding-block: clamp(60px, 8vw, 110px); }
.business-hero h1 { font-size: clamp(48px, 5.2vw, 78px); }
.business-hero .intro { max-width: 510px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 32px; }
.hero-actions .button { margin-top: 0; }
.model-caption a { color: inherit; text-decoration: none; }
.model-caption a:hover { color: #fff; }
.workflow-strip { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px 40px; padding: 24px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.workflow-strip .eyebrow { margin: 0; }
.workflow-strip ol { display: flex; flex-wrap: wrap; gap: 12px 0; list-style: none; padding: 0; margin: 0; color: #c4c4c4; font-size: 12px; }
.workflow-strip li + li::before { content: '→'; margin-inline: 22px; color: #676767; }
.content-section { padding: 66px 0; }
.section-heading { display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 60px; margin-bottom: 32px; }
.section-heading .eyebrow { margin-top: 0; }
.section-heading h2 { max-width: 500px; margin: 15px 0 0; }
.section-heading > p, .step-grid p, .approach-intro > p, .closing-section > p:not(.eyebrow), .demo-services-note p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.service-summary { display: grid; grid-template-columns: 45px 1.05fr 1fr 18px; gap: 24px; padding: 26px 0; align-items: start; border-top: 1px solid var(--border); text-decoration: none; }
.service-summary:last-child { border-bottom: 1px solid var(--border); }
.service-summary h3 { margin: 0; font-size: 19px; font-weight: 500; line-height: 1.4; letter-spacing: -.02em; }
.service-summary p { margin: 0; font-size: 13px; line-height: 1.8; color: var(--muted); }
.service-summary:hover h3 { text-decoration: underline; text-underline-offset: 5px; }
.row-arrow { padding-top: 3px; }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.step-grid > div { border-top: 1px solid var(--border); padding-top: 26px; }
.step-grid h3, .two-column h3 { font-size: 21px; font-weight: 500; letter-spacing: -.025em; margin: 20px 0 12px; }
.step-grid p { font-size: 14px; }
.section-link { display: inline-block; margin-top: 30px; }
.business-heading { padding-top: 65px; padding-bottom: 50px; }
.business-heading h1 { max-width: 950px; }
.business-heading .intro { max-width: 700px; }
.service-jump-links { gap: 12px; margin: 0 0 28px; }
.service-jump-links a { border: 1px solid var(--border); border-radius: 3px; padding: 9px 12px; font-size: 11px; }
.service-detail { display: grid; grid-template-columns: .65fr 1.8fr; gap: 60px; padding: 45px 0; border-top: 1px solid var(--border); scroll-margin-top: 24px; }
.service-label { display: flex; flex-direction: column; gap: 10px; padding-top: 8px; }
.service-label p { margin: 0; color: var(--muted); font-size: 12px; }
.service-detail h2 { max-width: 700px; margin: 0 0 18px; font-size: clamp(27px, 3vw, 38px); }
.service-lead { max-width: 700px; color: var(--muted); font-size: 15px; line-height: 1.8; margin: 0 0 22px; }
.offering-list { padding-left: 18px; margin: 0; color: #d2d2d2; font-size: 14px; line-height: 1.8; }
.offering-list li + li { margin-top: 7px; }
.workflow-example { margin: 24px 0 0; padding: 18px 20px; border-left: 2px solid #666; background: #ffffff04; color: var(--muted); font-size: 13px; line-height: 1.8; }
.workflow-example span { display: block; color: #ddd; font-family: Consolas, monospace; font-size: 10px; letter-spacing: .05em; margin-bottom: 7px; text-transform: uppercase; }
.closing-section { padding: 48px 0 70px; border-top: 1px solid var(--border); }
.closing-section h2 { margin: 16px 0; }
.closing-section > p:not(.eyebrow) { max-width: 680px; }
.closing-section .button { margin-top: 28px; }
.approach-intro { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; padding: 32px 0 46px; }
.approach-intro h2 { margin: 0; }
.engagement-steps .principle { grid-template-columns: 60px 1fr 1.15fr; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.two-column h3 { margin-top: 0; }
.faq { border-top: 1px solid var(--border); }
.faq > h2 { margin-bottom: 30px; }
.faq details { border-top: 1px solid var(--border); padding: 20px 0; }
.faq details:last-child { border-bottom: 1px solid var(--border); }
.faq summary { cursor: pointer; font-size: 16px; line-height: 1.5; }
.faq details p { max-width: 730px; margin: 14px 0 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.demo-services-note { border-top: 1px solid var(--border); padding: 28px 0 50px; }
.demo-services-note p { max-width: 720px; font-size: 14px; margin-bottom: 16px; }
@media (max-width: 950px) {
  .business-hero { gap: 30px; }
  .business-hero h1 { font-size: clamp(45px, 5.5vw, 64px); }
  .section-heading, .service-detail, .approach-intro, .two-column { gap: 32px; }
  .service-summary { grid-template-columns: 34px 1fr 1fr 18px; gap: 18px; }
  .step-grid { gap: 24px; }
}
@media (max-width: 760px) {
  .header { flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  #site-nav { flex-basis: 100%; gap: 8px; padding-top: 6px; }
  #site-nav a { flex: 1 1 40%; padding: 12px; border: 1px solid var(--border); border-radius: 3px; font-size: 13px; box-shadow: none; }
  #site-nav a[aria-current='page'] { background: #ffffff0b; border-color: #ffffff70; }
  .business-hero { grid-template-columns: 1fr; padding-block: 46px; gap: 40px; }
  .business-hero h1 { font-size: clamp(46px, 10vw, 68px); }
  .hero-actions { gap: 24px; }
  .workflow-strip { align-items: start; gap: 18px; }
  .workflow-strip ol { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; width: 100%; }
  .workflow-strip li + li::before { content: none; }
  .workflow-strip li::before { content: '—'; margin-right: 10px; color: #777; }
  .content-section { padding: 44px 0; }
  .section-heading, .approach-intro, .two-column { grid-template-columns: 1fr; gap: 22px; }
  .section-heading { margin-bottom: 28px; }
  .service-summary { grid-template-columns: 26px 1fr 18px; gap: 15px; padding-block: 24px; }
  .service-summary p { grid-column: 2; grid-row: 2; }
  .row-arrow { grid-column: 3; grid-row: 1; }
  .service-summary h3 { font-size: 19px; }
  .step-grid { grid-template-columns: 1fr; gap: 28px; }
  .step-grid h3 { margin-top: 15px; }
  .business-heading { padding-top: 44px; padding-bottom: 32px; }
  .business-heading h1 { font-size: clamp(38px, 9.5vw, 58px); }
  .service-detail { grid-template-columns: 1fr; gap: 22px; padding-block: 30px; }
  .service-label { flex-direction: row; align-items: center; gap: 18px; padding-top: 0; }
  .service-label .section-number { padding-top: 0; }
  .engagement-steps .principle { grid-template-columns: 36px 1fr; gap: 18px; }
  .engagement-steps .principle p { grid-column: 2; }
  .approach-intro { padding-top: 10px; }
  .closing-section { padding-block: 36px 50px; }
}