/* Brand: forest, cream, sage, olive, body, rust. Dark surfaces and borders
   are derived from these tokens using transparent ink or black/white neutrals. */
:root {
  --forest: #2D4A3E;
  --cream: #F5EFE0;
  --sage: #5C7C5C;
  --olive: #6B7F47;
  --body: #1F2E26;
  --rust: #A14A3E;
  --deep: color-mix(in srgb, var(--forest) 48%, black);
  --dark: color-mix(in srgb, var(--forest) 68%, black);
  --surface: color-mix(in srgb, var(--forest) 84%, black);
  --pale-sage: color-mix(in srgb, var(--sage) 40%, var(--cream));
  --sage-ink: color-mix(in srgb, var(--sage) 85%, var(--body));
  --signal: color-mix(in srgb, var(--rust) 55%, var(--cream));
  --muted: color-mix(in srgb, var(--cream) 72%, var(--forest));
  --line: color-mix(in srgb, var(--cream) 18%, transparent);
  --ink-muted: color-mix(in srgb, var(--body) 74%, var(--cream));
  --paper-line: color-mix(in srgb, var(--forest) 20%, transparent);
  --serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', Consolas, monospace;
  color-scheme: dark;
  scroll-behavior: smooth;
}
/* Explicit offsets requested for both landing-page versions. */
html { scroll-padding-top: 110px; }
#do, #thesis, #lineage, #faq, #early-access { scroll-margin-top: 110px; margin-top: 0; }
.anchor-alias { scroll-margin-top: 110px; }
.anchor-alias { display: block; height: 0; }
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--deep); color: var(--cream); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: .25em; }
button, input { font: inherit; }
button, a, summary, input { -webkit-tap-highlight-color: transparent; }
button, summary { cursor: pointer; }
button { border: 0; }
button:disabled { cursor: default; }
::selection { background: var(--pale-sage); color: var(--deep); }
:focus-visible { outline: 3px solid var(--pale-sage); outline-offset: 5px; }
.light-section :focus-visible, .signup-panel :focus-visible { outline-color: var(--forest); }
[aria-invalid="true"] { outline: 2px solid var(--rust); outline-offset: 3px; }
main:focus { outline: none; }
h1, h2, h3, p, ul, blockquote { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; }
h1, h2 { letter-spacing: -.045em; }
h2 { font-size: clamp(38px, 4.4vw, 62px); line-height: 1.1; }
h2 em, h1 em { font-weight: 350; }
em { font-family: var(--serif); }
.wrap { width: min(1248px, calc(100% - 112px)); margin-inline: auto; }
.section-space { padding-block: 104px; }
.section-label { font: 11px/1.6 var(--mono); letter-spacing: .055em; color: var(--muted); margin-bottom: 25px; }
.skip-link { position: fixed; top: 8px; left: 16px; z-index: 100; background: var(--cream); color: var(--body); padding: 10px 20px; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.site-header { background: var(--deep); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.nav-row { display: flex; align-items: center; justify-content: space-between; gap: 28px; height: 88px; }
.wordmark { font: 500 31px/1 var(--serif); letter-spacing: -.065em; text-decoration: none; white-space: nowrap; }
.wordmark > span:first-child { font-style: italic; font-weight: 350; }
.wordmark-period { color: var(--pale-sage); }
.desktop-nav { display: flex; gap: 32px; margin-left: auto; margin-right: 20px; }
.desktop-nav a { text-decoration: none; font-size: 13px; color: var(--muted); transition: color .18s; }
.desktop-nav a:hover { color: var(--cream); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 32px; min-height: 52px; padding: 14px 23px; border-radius: 4px; text-decoration: none; font: 500 14px/1.4 var(--sans); transition: background .18s, transform .18s; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 19px; line-height: 1; }
.button-small { min-height: 42px; padding: 11px 17px; gap: 20px; font-size: 12px; }
.nav-cta { border: 1px solid var(--line); }
.nav-cta:hover { background: var(--forest); }
.button-primary { background: var(--cream); color: var(--body); }
.button-primary:hover { background: var(--pale-sage); }
.text-link { display: inline-flex; align-items: center; gap: 15px; font-size: 13px; font-weight: 500; text-decoration: none; padding-block: 14px; }
.text-link:hover { text-decoration: underline; }
.text-link span { font-size: 19px; }
.mobile-menu { display: none; }
.hero { position: relative; background: radial-gradient(ellipse at 80% 40%, color-mix(in srgb, var(--forest) 55%, transparent), transparent 62%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 64px; align-items: end; padding-block: 83px 80px; }
.hero-summary { padding-bottom: 4px; }
.eyebrow { font: italic 15px/1.5 var(--serif); letter-spacing: .01em; color: var(--pale-sage); display: flex; align-items: center; gap: 11px; margin-bottom: 27px; }
.tiny-leaf { display: inline-block; width: 11px; height: 17px; border: 1px solid var(--pale-sage); border-radius: 100% 0 100% 0; transform: rotate(20deg); }
h1 { font-size: clamp(45px, 5.9vw, 83px); line-height: 1.035; }
h1 em { color: var(--pale-sage); }
.hero-description { max-width: 510px; color: var(--muted); font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 30px; }
.availability { margin-top: 17px; color: var(--muted); font-size: 11px; }
.availability span { margin-inline: 8px; }
.authority-bar { background: var(--dark); border-block: 1px solid var(--line); }
.authority-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.authority-metric { padding: 31px 25px; border-right: 1px solid var(--line); }
.authority-metric:first-child { padding-left: 0; }
.authority-metric:last-child { border-right: 0; padding-right: 0; }
.metric-value { font: 350 45px/1.1 var(--serif); letter-spacing: -.04em; }
.authority-metric p { color: var(--muted); font: 11px/1.8 var(--mono); max-width: 220px; margin-top: 10px; }
.product-proof { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-bottom: 52px; }
.product-artifact { display: flex; flex-direction: column; min-width: 0; margin: 0; padding: 28px; border: 1px solid var(--forest); border-radius: 5px; color: var(--cream); background: var(--deep); }
.artifact-topline { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding-bottom: 19px; border-bottom: 1px solid var(--line); font: 10px/1.6 var(--mono); color: var(--muted); }
.context-pill { display: inline-flex; align-items: center; align-self: flex-start; gap: 7px; max-width: 100%; margin-top: 23px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 12px; color: var(--pale-sage); font: 10px/1.8 var(--mono); }
.context-pill > span { width: 5px; height: 5px; flex-shrink: 0; border-radius: 50%; background: var(--pale-sage); }
.product-artifact h3 { font-size: 28px; line-height: 1.3; letter-spacing: -.03em; margin-top: 19px; }
.artifact-response { border-left: 1px solid var(--sage); padding-left: 17px; margin-block: 22px 27px; }
.artifact-response p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.artifact-response strong { color: var(--cream); font-weight: 600; }
.citation-group { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 19px; }
.citation-badge { display: inline-block; max-width: 100%; padding: 7px 9px; font: 9px/1.9 var(--mono); color: var(--pale-sage); background: var(--surface); border: 1px solid var(--line); border-radius: 3px; text-decoration: none; overflow-wrap: anywhere; }
.citation-badge:hover { color: var(--cream); border-color: var(--pale-sage); }
.product-artifact :focus-visible { outline-color: var(--pale-sage); }
.artifact-bottomline { display: flex; justify-content: space-between; gap: 16px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font: 9px/1.8 var(--mono); }
.artifact-bottomline > span:last-child { color: var(--pale-sage); text-align: right; }
.biomarker { margin-top: 25px; }
.biomarker + .biomarker { padding-top: 22px; border-top: 1px solid var(--line); }
.biomarker-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 15px; }
.biomarker-heading h3 { margin: 0; font-size: 25px; line-height: 1.3; }
.lab-result { white-space: nowrap; color: var(--cream); }
.lab-result strong { font: 500 22px/1.3 var(--serif); }
.lab-result > span { color: var(--muted); font: 10px var(--mono); }
.lab-flag { display: flex; align-items: baseline; gap: 7px; color: var(--signal); font: 10px/1.8 var(--mono); margin-top: 9px; }
.lab-flag::before { content: ''; height: 5px; width: 5px; flex-shrink: 0; border-radius: 50%; background: currentColor; }
.biomarker-chart { margin-top: 19px; }
.lab-track { position: relative; height: 25px; border-bottom: 1px solid var(--line); background: repeating-linear-gradient(to right, var(--line) 0, var(--line) 1px, transparent 1px, transparent calc(100% / var(--intervals))); box-shadow: inset -1px 0 var(--line); }
.lab-normal-band { position: absolute; left: var(--start); width: var(--span); bottom: 4px; height: 5px; background: color-mix(in srgb, var(--sage) 65%, var(--cream)); opacity: .55; }
.lab-optimal-band { position: absolute; left: var(--start); width: var(--span); top: 3px; height: 8px; background: var(--pale-sage); }
.lab-optimal-band.open-upper::after { content: ''; position: absolute; right: -5px; top: 0; border-block: 4px solid transparent; border-left: 5px solid var(--pale-sage); }
.lab-value-marker { position: absolute; left: var(--position); top: -6px; bottom: -4px; width: 2px; transform: translateX(-50%); background: var(--signal); }
.lab-value-marker::before { content: ''; position: absolute; left: -2px; top: 0; width: 6px; height: 6px; background: var(--signal); transform: rotate(45deg); }
.lab-scale { position: relative; height: 16px; color: var(--muted); font: 9px/1.7 var(--mono); margin-top: 9px; }
.lab-scale > span { position: absolute; left: calc(var(--tick) * 100% / var(--intervals)); width: max-content; white-space: nowrap; transform: translateX(-50%); }
.lab-ranges { margin: 17px 0 0; display: grid; gap: 8px; font: 10px/1.7 var(--mono); }
.lab-ranges > div { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; }
.lab-ranges dt { color: var(--muted); flex-shrink: 0; }
.lab-ranges dt::before { content: ''; display: inline-block; vertical-align: middle; width: 9px; height: 3px; margin-right: 7px; background: var(--muted); }
.lab-ranges dd { margin: 0; color: var(--cream); text-align: right; }
.lab-ranges dd > span { display: block; color: var(--muted); font-size: 9px; }
.lab-ranges .optimal-reference dt { color: var(--pale-sage); }
.lab-ranges .optimal-reference dt::before { height: 5px; background: var(--pale-sage); }
.lab-artifact figcaption { color: var(--muted); font: 11px/1.8 var(--sans); padding-top: 23px; margin-top: auto; }
/* Sampled from the supplied olivetwell app screenshots: page #F5EFE0,
   panels #EDE6D2, borders #C1C6AF, and primary controls #2D4A3E. */
.app-ui-colors { --app-panel: #EDE6D2; --app-border: #C1C6AF; }
.app-ui-colors .product-artifact {
  --line: var(--app-border);
  --muted: color-mix(in srgb, var(--sage) 80%, var(--body));
  --pale-sage: var(--forest);
  --surface: var(--cream);
  --signal: var(--rust);
  background: var(--app-panel);
  border-color: var(--app-border);
  border-radius: 18px;
  color: var(--body);
  color-scheme: light;
}
.app-ui-colors .artifact-topline { color: var(--forest); }
.app-ui-colors .context-pill { background: var(--cream); color: var(--forest); }
.app-ui-colors .product-artifact h3 { font-family: var(--sans); font-size: 26px; font-weight: 600; letter-spacing: -.02em; }
.app-ui-colors .biomarker-heading h3 { font-size: 22px; }
.app-ui-colors .artifact-response { border-left-color: var(--app-border); }
.app-ui-colors .artifact-response p { color: var(--forest); }
.app-ui-colors .artifact-response strong,
.app-ui-colors .lab-result,
.app-ui-colors .lab-ranges dd { color: var(--body); }
.app-ui-colors .lab-result strong { font: 600 22px/1.3 var(--sans); }
.app-ui-colors .citation-badge { color: var(--forest); border-color: var(--app-border); }
.app-ui-colors .citation-badge:hover { color: var(--cream); background: var(--forest); border-color: var(--forest); }
.app-ui-colors .lab-track { background-color: var(--cream); }
.light-section { background: var(--cream); color: var(--body); color-scheme: light; }
.light-section .section-label { color: var(--sage); }
.light-section h2 em { color: var(--sage); }
.section-heading { display: grid; grid-template-columns: 1.4fr 1fr; gap: 70px; align-items: end; margin-bottom: 54px; }
.section-heading > p { max-width: 350px; padding-bottom: 5px; color: var(--ink-muted); line-height: 1.85; font-size: 15px; }
.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--paper-line); margin-bottom: 25px; }
.capability { padding: 28px 30px 32px 0; border-bottom: 1px solid var(--paper-line); }
.capability:not(:nth-child(3n)) { border-right: 1px solid var(--paper-line); }
.capability:not(:nth-child(3n + 1)) { padding-left: 30px; }
.capability-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; color: var(--sage); }
.capability-number { font: 10px var(--mono); }
.capability-icon { display: grid; place-items: center; width: 30px; height: 30px; }
.capability-icon svg { height: 25px; width: 25px; stroke-width: 1.3; }
.capability h3 { font-size: 26px; line-height: 1.25; letter-spacing: -.03em; max-width: 260px; margin-bottom: 14px; }
.capability > p { font-size: 13px; color: var(--ink-muted); line-height: 1.85; }
.capability .meta { margin-top: 22px; font: 9px var(--mono); color: var(--sage); }
.dark-link { color: var(--forest); }
.approach { background: var(--dark); }
.thesis-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 100px; }
.contrast-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.contrast-list li { display: grid; grid-template-columns: 25px 1fr; gap: 20px; padding-block: 17px; border-bottom: 1px solid var(--line); font-size: 14px; }
#thesis .contrast-list li > span { color: var(--pale-sage); font: italic 11px/2 var(--mono); }
#thesis .contrast-list li > strong { font-family: var(--sans); font-weight: 700; font-style: normal; }
.thesis-coda { color: var(--muted); font-size: 14px; line-height: 1.9; margin-top: 23px; }
.thesis-coda > span { color: var(--cream); }
.definition-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 100px; }
.definition-grid { margin-top: 65px; border-top: 1px solid var(--line); padding-top: 55px; }
.definition-grid h3 { font-size: 39px; letter-spacing: -.035em; line-height: 1.2; margin-top: 23px; }
.definition-grid h3 em { color: var(--pale-sage); }
.approach h2 em, .audience h2 em, .launch h2 em { color: var(--pale-sage); }
.pronunciation { font: italic 20px var(--serif); color: var(--pale-sage); }
.pronunciation span { display: block; margin-top: 6px; font: 11px var(--mono); color: var(--muted); }
.approach-copy { padding-top: 0; }
.approach-copy > p { color: var(--muted); font-size: 15px; line-height: 1.9; margin-bottom: 20px; }
.definition-contrast > em { font-size: 17px; font-style: italic; font-weight: 400; }
#thesis .definition-contrast strong { font-family: var(--sans); font-style: normal; font-weight: 700; color: var(--cream); }
.definition-contrast .question-comma { font-family: var(--sans); font-style: normal; font-weight: 700; color: var(--cream); }
blockquote { border-top: 1px solid var(--line); margin-top: 33px; padding-top: 27px; }
blockquote > p { font: italic 28px/1.4 var(--serif); color: var(--cream); }
blockquote cite { display: block; font: 12px var(--sans); margin-top: 17px; }
blockquote cite span { display: block; font: 10px var(--mono); margin-top: 6px; color: var(--muted); }
.thinker-list { border-top: 1px solid var(--paper-line); }
.thinker { border-bottom: 1px solid var(--paper-line); padding-block: 24px; display: grid; grid-template-columns: 40px 205px 1fr 125px; gap: 25px; align-items: start; }
.thinker-number { font: 10px var(--mono); color: var(--sage); padding-top: 7px; }
.thinker h3 { font-size: 23px; letter-spacing: -.03em; line-height: 1.3; }
.thinker .years { color: var(--sage); font: 10px var(--mono); margin-top: 8px; }
.thinker .contribution { font-size: 13px; color: var(--ink-muted); line-height: 1.8; }
.thinker .tag { font: 9px/1.7 var(--mono); color: var(--sage); text-align: right; padding-top: 5px; }
.audience { background: var(--forest); }
.audience-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 100px; }
.audience-list { list-style: none; border-top: 1px solid var(--line); padding: 0; }
.audience-list li { display: grid; grid-template-columns: 28px 1fr; gap: 20px; padding-block: 20px; border-bottom: 1px solid var(--line); font-size: 14px; }
.audience-list .idx { font: 11px var(--mono); color: var(--pale-sage); padding-top: 3px; }
#who .persona-title { display: block; font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 20px; line-height: 1.4; }
#who .persona-description { display: block; color: var(--muted); font-family: var(--sans); font-style: normal; font-weight: 700; font-size: 12px; line-height: 1.8; margin-top: 8px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1.45fr; gap: 100px; }
.faq-heading > p:last-child { color: var(--ink-muted); font-size: 14px; margin-top: 25px; }
.faq-list { border-top: 1px solid var(--paper-line); }
.faq-item { border-bottom: 1px solid var(--paper-line); }
.faq-item summary { list-style: none; display: grid; grid-template-columns: 27px 1fr 21px; gap: 15px; align-items: start; padding-block: 24px; font-size: 14px; line-height: 1.6; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover .question { color: var(--sage); }
.faq-index { font: 10px var(--mono); color: var(--sage); padding-top: 5px; }
.faq-toggle { display: grid; place-items: center; width: 21px; height: 21px; border: 1px solid var(--paper-line); border-radius: 50%; margin-top: 1px; }
.faq-toggle::before { content: '+'; font-size: 15px; line-height: 1; }
.faq-item[open] .faq-toggle::before { content: '−'; }
.faq-answer { padding: 0 30px 26px 42px; font-size: 13px; color: var(--ink-muted); line-height: 1.9; overflow-wrap: anywhere; }
.faq-answer p + p { margin-top: 16px; }
.faq-answer strong { color: var(--body); font-weight: 600; }
.launch { background: var(--dark); }
.launch-grid { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 100px; }
.launch h2 { font-size: clamp(42px, 4.8vw, 65px); }
.launch-hook-label { color: var(--pale-sage); font: 10px/1.8 var(--mono); margin-bottom: 18px; }
.launch-description { max-width: 330px; color: var(--muted); margin-top: 28px; font-size: 14px; }
.signup-panel { padding: 35px; background: var(--cream); color: var(--body); border-radius: 5px; color-scheme: light; }
#launch-form { margin-top: 0; }
.platform-picker { border: 0; margin: 0 0 20px; padding: 0; }
.signup-fields { border: 0; margin: 0; padding: 0; min-width: 0; }
.platform-picker legend, .email-field > label { font-size: 12px; margin-bottom: 9px; display: block; font-weight: 500; }
.platform-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.platform-options label { position: relative; cursor: pointer; }
.platform-options input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; }
.platform-options span { display: flex; justify-content: center; align-items: center; gap: 8px; min-height: 45px; padding: 9px 13px; border: 1px solid var(--paper-line); border-radius: 30px; font: 11px/1.7 var(--mono); }
.platform-options input[value="ios"] + span { text-transform: none; }
.platform-options input:checked + span { color: var(--cream); background: var(--forest); border-color: var(--forest); }
.platform-options input:checked + span::before { content: '✓'; }
.platform-options input:focus-visible + span { outline: 3px solid var(--forest); outline-offset: 3px; }
.email-field input { width: 100%; background: color-mix(in srgb, var(--cream) 50%, white); color: var(--body); border: 1px solid var(--forest); padding: 12px 13px; border-radius: 3px; font-size: 16px; min-height: 49px; }
.email-field input::placeholder { color: var(--ink-muted); opacity: 1; }
.consent { display: flex; align-items: flex-start; gap: 10px; font-size: 10px; line-height: 1.8; margin-top: 18px; color: var(--ink-muted); cursor: pointer; }
.consent input { flex: 0 0 15px; width: 15px; height: 15px; margin: 3px 0 0; accent-color: var(--forest); }
.button-submit { width: 100%; margin-top: 24px; justify-content: space-between; background: var(--forest); color: var(--cream); }
.button-submit:hover { background: var(--body); }
.button-submit:disabled { transform: none; opacity: .8; }
form:not([data-ready="true"]) .button-submit { display: none; }
.form-fine { font-size: 9px; line-height: 1.9; color: var(--ink-muted); margin-top: 16px; }
.form-fine.form-error { color: var(--rust); font-size: 12px; font-weight: 600; }
.noscript-notice { font-size: 12px; }
.site-footer { padding-block: 43px 23px; background: var(--deep); border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.footer-top > p { font: italic 13px var(--serif); color: var(--pale-sage); margin-right: auto; }
.footer-top nav { display: flex; gap: 25px; font-size: 11px; color: var(--muted); }
.footer-top nav a { text-decoration: none; }
.footer-top nav a:hover { text-decoration: underline; }
.footer-legal { color: var(--muted); font-size: 10px; line-height: 1.9; max-width: 860px; margin-top: 25px; }
.footer-bottom { display: flex; justify-content: flex-end; font: 9px var(--mono); color: var(--muted); margin-top: 25px; }
.footer-bottom a { text-decoration: none; }
.sources-main { padding-block: 76px; }
.sources-main h1 { font-size: clamp(45px, 6vw, 74px); }
.sources-intro { color: var(--muted); max-width: 660px; margin-top: 26px; }
.source-records { list-style: none; margin: 48px 0 26px; padding: 0; border-top: 1px solid var(--line); }
.source-records li { padding-block: 32px; border-bottom: 1px solid var(--line); }
.source-records .section-label { margin-bottom: 14px; }
.source-records h2 { max-width: 900px; font-size: clamp(26px, 3vw, 38px); line-height: 1.25; letter-spacing: -.025em; }
.source-journal { color: var(--muted); margin-top: 16px; font-size: 13px; }
.source-identifier { color: var(--muted); font: 10px/1.8 var(--mono); overflow-wrap: anywhere; }
/* Small sage text needs more contrast than the large editorial headings. */
.light-section .section-label,
.capability-top,
.capability .meta,
.thinker-number,
.thinker .years,
.thinker .tag,
.faq-index { color: var(--sage-ink); }
@media (min-width: 1600px) { .hero-grid { padding-block: 95px 85px; } }
@media (max-width: 1150px) {
  .wrap { width: calc(100% - 72px); }
  .desktop-nav { gap: 20px; margin-right: 0; }
  .nav-row { gap: 20px; }
  .hero-grid { gap: 30px; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
  h1 { font-size: clamp(45px, 6vw, 68px); }
  .section-heading, .definition-grid, .audience-grid, .faq-grid, .launch-grid { gap: 55px; }
  .thinker { grid-template-columns: 30px 170px 1fr 100px; gap: 18px; }
}
@media (max-width: 899px) {
  .desktop-nav { display: none; }
  .nav-cta { margin-left: auto; }
  .mobile-menu { display: block; }
  .mobile-menu summary { display: flex; align-items: center; gap: 10px; min-height: 44px; font-size: 12px; list-style: none; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .menu-icon { width: 17px; height: 9px; border-block: 1px solid var(--cream); }
  .mobile-menu nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--deep); border-bottom: 1px solid var(--line); display: grid; padding: 15px 36px 22px; gap: 3px; }
  .mobile-menu nav a { padding: 11px 0; text-decoration: none; font-size: 14px; }
  .hero-grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; padding-block: 60px; }
  h1 { font-size: clamp(40px, 6.1vw, 55px); }
  .hero-description { font-size: 15px; }
  .hero-actions { gap: 20px; flex-wrap: wrap; }
  .section-space { padding-block: 75px; }
  .section-heading { gap: 35px; grid-template-columns: 1.1fr 1fr; }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability:not(:nth-child(3n)) { border-right: 0; }
  .capability:not(:nth-child(3n + 1)) { padding-left: 0; }
  .capability { padding-right: 25px; }
  .capability:nth-child(odd) { border-right: 1px solid var(--paper-line); }
  .capability:nth-child(even) { padding-left: 25px; padding-right: 0; }
  .thinker { grid-template-columns: 25px 150px 1fr; gap: 15px; }
  .thinker .tag { grid-column: 3; display: block; text-align: left; padding-top: 0; }
  .thesis-grid { gap: 40px; grid-template-columns: 1fr 1fr; }
  .product-artifact { padding: 21px; }
  .product-artifact h3 { font-size: 25px; }
  .artifact-topline { font-size: 9px; }
  .artifact-bottomline > span:last-child { display: none; }
  .context-pill { font-size: 9px; }
  .biomarker-heading { gap: 10px; }
  .biomarker-heading h3 { font-size: 22px; }
  .lab-result strong { font-size: 20px; }
  .lab-ranges > div { flex-wrap: wrap; gap: 3px 12px; }
  .lab-ranges dd { margin-left: auto; }
  .authority-metric { padding-inline: 17px; }
  .authority-metric p { font-size: 10px; }
  .definition-grid, .audience-grid, .faq-grid, .launch-grid { gap: 40px; grid-template-columns: 1fr 1fr; }
  .approach-copy { padding-top: 0; }
  .signup-panel { padding: 25px; }
  .footer-top { flex-wrap: wrap; }
  .footer-top nav { gap: 20px; }
}
@media (max-width: 650px) {
  .wrap { width: calc(100% - 44px); }
  .nav-row { height: 73px; gap: 15px; }
  .wordmark { font-size: 28px; }
  .nav-cta { min-height: 39px; font-size: 10px; padding: 10px 11px; gap: 10px; }
  .nav-cta > span { font-size: 16px; }
  .mobile-menu summary > span:first-child { display: none; }
  .mobile-menu summary { min-width: 30px; justify-content: center; }
  .mobile-menu nav { padding-inline: 22px; }
  .hero-grid { display: block; padding-block: 46px 35px; }
  .eyebrow { font-size: 14px; margin-bottom: 23px; }
  h1 { font-size: clamp(39px, 9.6vw, 59px); line-height: 1.07; }
  .hero-description { max-width: 400px; margin-top: 25px; font-size: 15px; }
  .hero-summary { padding-bottom: 0; }
  .authority-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .authority-metric { padding: 23px 17px; border-bottom: 1px solid var(--line); }
  .authority-metric:nth-child(odd) { padding-left: 0; border-right: 1px solid var(--line); }
  .authority-metric:nth-child(even) { padding-right: 0; border-right: 0; }
  .authority-metric:nth-last-child(-n + 2) { border-bottom: 0; }
  .metric-value { font-size: 39px; }
  .authority-metric p { font-size: 10px; }
  .product-proof { grid-template-columns: 1fr; gap: 17px; margin-bottom: 33px; }
  .product-artifact { padding: 22px; }
  .product-artifact h3 { font-size: 26px; }
  .context-pill { font-size: 9px; }
  .artifact-topline { font-size: 9px; }
  .artifact-response { padding-left: 13px; }
  .citation-badge { font-size: 8px; }
  .thesis-grid { grid-template-columns: 1fr; gap: 34px; }
  .definition-grid { padding-top: 33px; margin-top: 40px; }
  .definition-grid h3 { font-size: 32px; }
  .hero-actions { margin-top: 25px; gap: 23px; }
  .hero-actions .button { font-size: 12px; gap: 23px; padding-inline: 18px; }
  .hero-actions .text-link { font-size: 12px; gap: 9px; }
  .availability { font-size: 10px; }
  .section-space { padding-block: 62px; }
  .section-label { font-size: 10px; margin-bottom: 21px; }
  h2 { font-size: clamp(35px, 8.5vw, 48px); }
  .section-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 35px; }
  .section-heading > p { max-width: 400px; font-size: 14px; }
  .capability { padding-block: 23px 26px; padding-right: 17px; }
  .capability:nth-child(even) { padding-left: 17px; }
  .capability h3 { font-size: 22px; margin-bottom: 12px; }
  .capability > p { font-size: 12px; line-height: 1.8; }
  .capability-top { margin-bottom: 20px; }
  .capability-icon svg { width: 22px; height: 22px; }
  .capability .meta { font-size: 8px; }
  .definition-grid, .audience-grid, .faq-grid, .launch-grid { grid-template-columns: 1fr; gap: 34px; }
  .approach-copy { padding-top: 0; }
  .approach-copy > p { font-size: 14px; }
  .pronunciation { margin-top: 0; }
  blockquote > p { font-size: 28px; }
  .thinker { grid-template-columns: 25px 1fr; gap: 14px; padding-block: 22px; }
  .thinker .contribution { grid-column: 2; font-size: 12px; }
  .thinker h3 { font-size: 23px; }
  .thinker .years { font-size: 9px; margin-top: 5px; }
  .thinker .tag { grid-column: 2; font-size: 9px; }
  .faq-heading > p:last-child br { display: none; }
  .faq-heading > p:last-child { margin-top: 20px; }
  .faq-item summary { padding-block: 22px; font-size: 13px; grid-template-columns: 22px 1fr 21px; gap: 10px; }
  .faq-answer { padding-left: 32px; padding-right: 10px; font-size: 12px; }
  .launch h2 { font-size: 43px; }
  .launch-description { max-width: 330px; }
  .signup-panel { padding: 26px 23px; }
  .consent { font-size: 11px; }
  .form-fine { font-size: 10px; }
  .footer-top { gap: 19px; padding-bottom: 25px; }
  .footer-top > p { font-size: 12px; margin: 0; }
  .footer-top nav { width: 100%; font-size: 11px; gap: 25px; }
  .footer-legal { font-size: 10px; }
}
@media (max-width: 360px) {
  .wrap { width: calc(100% - 36px); }
  .nav-row { gap: 8px; }
  .wordmark { font-size: 25px; }
  .nav-cta { font-size: 9px; padding-inline: 9px; gap: 8px; }
  h1 { font-size: 37px; }
  .hero-actions { gap: 17px; }
  .hero-actions .button { padding-inline: 13px; gap: 15px; }
  .hero-actions .text-link { font-size: 11px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability, .capability:nth-child(even) { padding-inline: 0; }
  .capability:nth-child(odd) { border-right: 0; }
  .capability h3 { max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  :root { color-scheme: light; }
  body, .hero, .approach, .audience, .launch, .site-footer { background: white; color: black; }
  .site-header { position: static; }
  .mobile-menu, .nav-cta, .hero-actions, .signup-panel { display: none; }
  .wrap { width: 100%; }
  .section-space { padding-block: 30px; }
  .hero-grid { display: block; padding-block: 30px; }
  .section-heading, .definition-grid, .audience-grid, .faq-grid, .launch-grid { gap: 25px; }
}