@font-face {
  font-family: "Onest Variable";
  font-style: normal;
  font-display: optional;
  font-weight: 100 900;
  src: url("/fonts/onest-latin-variable.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Onest Variable";
  font-style: normal;
  font-display: optional;
  font-weight: 100 900;
  src: url("/fonts/onest-latin-ext-variable.woff2") format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Bricolage Grotesque Variable";
  font-style: normal;
  font-display: optional;
  font-weight: 200 800;
  src: url("/fonts/bricolage-latin-variable.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Bricolage Grotesque Variable";
  font-style: normal;
  font-display: optional;
  font-weight: 200 800;
  src: url("/fonts/bricolage-latin-ext-variable.woff2") format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  color-scheme: light dark;
  --paper: #ffffff;
  --ink: #202321;
  --muted: #656965;
  --line: #d7d9d6;
  --line-strong: #202321;
  --soft: #f3f4f2;
  --green: #257d5e;
  --coral: #d15a4d;
  --coral-text: #b7473c;
  --cream: #f3ebdd;
  --focus: #176b65;
  --display: "Bricolage Grotesque Variable", "Arial Narrow", sans-serif;
  --body: "Onest Variable", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  text-rendering: optimizeLegibility;
}
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
a, button { transition: color 140ms ease, border-color 140ms ease, background-color 140ms ease, opacity 140ms ease; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
h1, h2, h3, p { margin-top: 0; }
button { color: inherit; }

.home, .science-page { min-height: 100vh; }

.home-masthead {
  width: min(100% - 48px, 1320px);
  min-height: 132px;
  margin: 0 auto;
  display: grid;
  place-items: center;
}

.wordmark {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font: 650 clamp(32px, 3.4vw, 46px)/1 var(--display);
  letter-spacing: -.045em;
}
.brand-mark {
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
}
.brand-mark circle { fill: #c14b14; stroke: none; }
.brand-name { display: inline-block; }
.wordmark.compact { gap: 9px; font-size: 22px; }
.wordmark.compact .brand-mark { width: 34px; height: 34px; }

.product-selector {
  width: min(100% - 48px, 1320px);
  margin: 0 auto;
  padding: clamp(34px, 4vw, 54px) 0 clamp(76px, 9vw, 118px);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(54px, 6vw, 82px) clamp(24px, 4vw, 54px);
}
.product {
  min-width: 0;
  text-align: center;
}
.product-main-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
a.product-main-link:hover .product-icon { opacity: .82; }
.product-icon {
  width: min(88%, 18.5rem);
  height: auto;
  border-radius: 22%;
}
.product-copy {
  display: block;
  width: 100%;
}
.product-scope {
  min-height: 42px;
  margin-top: 14px;
  display: block;
  color: var(--muted);
  font-size: 14px;
  font-weight: 520;
  line-height: 1.45;
  text-wrap: balance;
}
.product-destinations {
  min-height: 44px;
  margin: 4px 0 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}
.product-destinations a {
  min-height: 44px;
  border-bottom: 1px solid currentColor;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-weight: 650;
}
.product-destinations span { color: var(--muted); }

.science-teaser {
  width: min(100% - 48px, 1320px);
  margin: 0 auto;
  padding: clamp(76px, 9vw, 118px) 0;
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(56px, 8vw, 124px);
  align-items: start;
}
.science-teaser-copy, .science-teaser-metrics { min-width: 0; }
.kicker {
  margin: 0;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.science-teaser h1,
.display-statement,
.legal-index h1 {
  margin: 0;
  font: 570 clamp(42px, 5vw, 72px)/.98 var(--display);
  letter-spacing: -.035em;
  text-wrap: balance;
}
.science-teaser h1 { max-width: 13ch; font-size: clamp(40px, 4.25vw, 60px); }
.science-teaser-copy > p {
  max-width: 49ch;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}
.science-teaser-copy .arrow-link { margin-top: 38px; }
.science-teaser-metrics {
  border-top: 2px solid var(--ink);
}
.science-teaser-metrics p {
  min-height: 126px;
  margin: 0;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(300px, 1.05fr) minmax(150px, .75fr);
  gap: clamp(24px, 4vw, 58px);
  align-items: center;
}
.science-teaser-metrics strong {
  display: block;
  font: 630 clamp(42px, 4.2vw, 60px)/.94 var(--display);
  letter-spacing: -.035em;
  white-space: nowrap;
}
.science-teaser-metrics span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}
.arrow-link {
  min-height: 50px;
  margin-top: 24px;
  border-bottom: 2px solid var(--green);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: var(--green);
  font-weight: 700;
}
.arrow-link:hover { color: var(--ink); border-color: var(--ink); }

.home-footer {
  min-height: 122px;
  padding: 24px max(24px, calc((100vw - 1320px) / 2));
  border-top: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.home-footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 6px;
}

.science-masthead {
  width: min(100% - 48px, 1320px);
  min-height: 94px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.science-masthead > p,
.science-masthead > a:last-child:not(:first-child) {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}
.science-masthead > a:last-child:not(:first-child) {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.science-hero, .method-section, .research-section, .science-notes {
  width: min(100% - 48px, 1320px);
  margin: 0 auto;
}
.science-hero {
  padding: clamp(66px, 9vw, 126px) 0;
}
.science-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .7fr);
  gap: clamp(44px, 8vw, 120px);
  align-items: end;
}
.science-section-title {
  margin: 0 0 24px;
  color: var(--green);
  font: 650 clamp(17px, 1.8vw, 23px)/1.2 var(--body);
}
.display-statement { max-width: 14ch; }
.section-lead {
  max-width: 44ch;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}
.journey-grid {
  margin-top: clamp(54px, 8vw, 100px);
  border-top: 2px solid var(--ink);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
}
.study-card {
  min-height: 420px;
  padding: clamp(28px, 4vw, 54px);
  border-right: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  flex-direction: column;
}
.study-card > span, .journey-result > span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.study-card > p {
  max-width: 560px;
  margin: 50px 0 34px;
  font: 560 clamp(29px, 4vw, 48px)/1.08 var(--display);
  letter-spacing: -.03em;
}
.study-answer {
  margin-bottom: 30px;
  font: 650 46px/1 var(--display);
  color: var(--green);
}
.answer-reveal, .answer-actions button {
  min-height: 48px;
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
}
.answer-reveal { margin-top: auto; color: var(--green); }
.answer-actions {
  width: 100%;
  margin-top: auto;
  display: flex;
  gap: 34px;
}
.answer-actions button:last-child { color: var(--green); }
.journey-result {
  min-height: 420px;
  padding: clamp(28px, 4vw, 54px);
  background: var(--soft);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
}
.journey-result strong {
  margin: 22px 0 16px;
  font: 600 clamp(32px, 4vw, 54px)/1 var(--display);
  letter-spacing: -.055em;
}
.journey-result p { max-width: 36ch; margin: 0; color: var(--muted); line-height: 1.65; }

.method-section, .research-section {
  padding: clamp(76px, 10vw, 138px) 0;
  border-top: 1px solid var(--line-strong);
}
.history-figure {
  margin-top: clamp(62px, 8vw, 100px);
}
.history-line {
  position: relative;
  padding-top: 28px;
  border-top: 2px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.history-line::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
}
.history-line > div { display: grid; gap: 10px; }
.history-line time, .history-line span { color: var(--muted); font-size: 12px; }
.history-line strong { font-size: 16px; }
.plain-factors {
  margin-top: 66px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.plain-factors p { margin: 0; padding: 24px 30px 24px 0; }
.plain-factors p + p { border-left: 1px solid var(--line); padding-left: 30px; }
.plain-factors b, .plain-factors span { display: block; }
.plain-factors span { margin-top: 9px; color: var(--muted); font-size: 14px; line-height: 1.55; }
.technical-details {
  grid-column: 2;
  margin-top: 36px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 24px; font-weight: 400; }
details[open] summary::after { content: "−"; }
.technical-details > div {
  padding: 18px 0 40px;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 50px;
}
.technical-details svg { width: 100%; height: auto; }
.technical-details svg line { stroke: var(--line); }
.technical-details svg path { fill: none; stroke: var(--green); stroke-width: 4; }
.technical-details svg circle { fill: var(--coral); }
.technical-details svg text { fill: var(--muted); font: 13px var(--body); }
.technical-details svg .target-line { stroke: var(--coral); stroke-dasharray: 6 6; }
.technical-details dl { margin: 0; }
.technical-details dl > div { padding: 13px 0; border-bottom: 1px solid var(--line); }
.technical-details dt { font-weight: 700; }
.technical-details dd { margin: 5px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.privacy-note {
  max-width: 58ch;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.research-heading { align-items: end; }
.research-metric {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.research-metric strong {
  color: var(--coral);
  font: 650 clamp(62px, 8vw, 104px)/.82 var(--display);
  letter-spacing: -.04em;
}
.research-metric span {
  color: var(--coral-text);
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 700;
}
.research-lead {
  max-width: 45ch;
  margin: 0 0 2px;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.65;
}
.evidence-explorer {
  margin-top: clamp(62px, 8vw, 104px);
  min-width: 0;
}
.evidence-index {
  border-bottom: 1px solid var(--line-strong);
  display: flex;
  gap: clamp(18px, 5vw, 66px);
}
.evidence-index button {
  min-width: 44px;
  min-height: 52px;
  padding: 0;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  cursor: pointer;
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 6px;
}
.evidence-index button[aria-selected="true"] { border-color: var(--coral); color: var(--coral-text); }
.evidence-detail {
  width: 100%;
  min-width: 0;
  min-height: 430px;
  padding: clamp(40px, 6vw, 78px) 0 24px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 0 50px;
}
.evidence-detail > * { min-width: 0; }
.evidence-detail > strong {
  grid-row: 1 / span 6;
  max-width: 10ch;
  font: 650 clamp(44px, 6vw, 82px)/.96 var(--display);
  letter-spacing: -.035em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}
.evidence-detail h3 { margin: 0 0 14px; font-size: 18px; }
.evidence-detail p { max-width: 58ch; margin: 0 0 16px; color: var(--muted); line-height: 1.65; }
.evidence-detail .scope, .evidence-detail .derived-note { font-size: 13px; }
.evidence-detail .derived-note { color: var(--ink); }
.evidence-detail a {
  width: 100%;
  max-width: 100%;
  min-height: 44px;
  border-bottom: 1px solid currentColor;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.science-notes { padding: 48px 0 100px; border-top: 1px solid var(--line-strong); }
.science-notes details { border-bottom: 1px solid var(--line); }
.science-notes ol { margin: 0; padding: 10px 0 34px 24px; }
.science-notes li { padding: 9px 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.science-notes li a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.science-notes li span { margin-left: 10px; }

.legal-index {
  width: min(100% - 48px, 1120px);
  margin: 0 auto;
  padding: clamp(72px, 10vw, 140px) 0;
}
.legal-index h1 { max-width: 880px; margin: 20px 0 0; }
.legal-index-lead { margin: 20px 0 80px; color: var(--muted); font-size: 18px; }
.legal-index-links { border-top: 2px solid var(--ink); }
.legal-index-links a {
  min-height: 130px;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 60px minmax(220px, 1fr) minmax(260px, 1fr);
  align-items: center;
  gap: 28px;
}
.legal-index-links span { color: var(--muted); font-size: 11px; }
.legal-index-links strong { font: 600 32px/1 var(--display); }
.legal-index-links small { color: var(--muted); font-size: 14px; }
.legal-index-links a:hover strong { color: var(--green); }
.secondary-legal-links { margin-top: 36px; display: flex; gap: 28px; }
.secondary-legal-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); text-decoration: underline; text-underline-offset: 5px; }

.legal {
  width: min(100% - 48px, 920px);
  min-height: calc(100vh - 220px);
  margin: 0 auto;
  padding: clamp(70px, 10vw, 128px) 0;
}
.legal-heading {
  margin-bottom: 68px;
  padding-bottom: 28px;
  border-bottom: 2px solid var(--ink);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 30px;
}
.legal-heading h1 {
  margin: 0;
  font: 580 clamp(48px, 7vw, 78px)/.96 var(--display);
  letter-spacing: -.05em;
}
.legal-heading p { margin: 0 0 6px; color: var(--muted); font-size: 12px; }
.legal-body { width: min(100%, 58ch); margin-left: auto; }
.legal h2 { margin: 48px 0 12px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 21px; }
.legal p, .legal li { color: var(--muted); font-size: 15px; line-height: 1.75; }
.legal-body > p:first-child { color: var(--ink); font-size: 18px; }
.legal a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.legal li + li { margin-top: 9px; }
.legal-callout { margin: 30px 0; padding: 22px 0; border-top: 2px solid var(--green); border-bottom: 1px solid var(--line); display: grid; gap: 8px; }
.legal-callout strong { color: var(--ink); }
.legal-callout span { color: var(--muted); line-height: 1.65; }
.legal-callout a { min-height: 44px; display: inline-flex; align-items: center; }
.legal ol { padding-left: 28px; }
.legal-footer {
  min-height: 150px;
  padding: 28px max(24px, calc((100vw - 1320px) / 2));
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  align-items: center;
  gap: 30px;
  color: var(--muted);
  font-size: 11px;
}
.legal-footer p { margin: 0; text-align: center; line-height: 1.55; }
.legal-footer > div { display: flex; justify-content: flex-end; gap: 12px; flex-wrap: wrap; }
.legal-footer > div a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 780px) {
  .science-teaser { grid-template-columns: minmax(0, 1fr); }
  .science-teaser-copy { max-width: 620px; }
  .science-section-heading { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .section-lead, .research-lead { max-width: 48ch; }
  .journey-grid { grid-template-columns: 1fr; }
  .study-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .technical-details > div, .evidence-detail { grid-template-columns: minmax(0, 1fr); }
  .evidence-detail > strong { grid-row: auto; margin-bottom: 28px; }
  .legal-footer { grid-template-columns: 1fr; text-align: center; }
  .legal-footer .wordmark { margin: 0 auto; }
  .legal-footer > div { justify-content: center; }
  .legal-index-links a { grid-template-columns: 40px 1fr; padding: 22px 0; }
  .legal-index-links small { grid-column: 2; }
}

@media (max-width: 620px) {
  .home-masthead, .science-masthead,
  .science-hero, .method-section, .research-section, .science-notes {
    width: min(100% - 32px, 1320px);
  }
  .home-masthead { min-height: 122px; }
  .product-selector { width: min(100% - 32px, 1200px); padding: 34px 0 72px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 42px 12px; }
  .product-main-link {
    min-height: 0;
  }
  .product-icon { width: min(92%, 13rem); margin: 0 auto; }
  .product-scope { min-height: 48px; font-size: 11.5px; line-height: 1.4; }
  .product-destinations { margin: 2px 0 0; justify-content: center; font-size: 11.5px; }
  .science-teaser { width: min(100% - 32px, 1320px); padding: 68px 0; gap: 54px; }
  .science-teaser h1, .display-statement, .legal-index h1 { font-size: clamp(40px, 12vw, 52px); }
  .science-teaser-metrics p { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .home-footer { min-height: 96px; padding: 20px 16px; font-size: 12px; }
  .science-masthead { min-height: 78px; }
  .science-masthead > p { display: none; }
  .science-hero, .method-section, .research-section { padding: 60px 0 74px; grid-template-columns: 1fr; }
  .section-number { margin-bottom: 28px; }
  .journey-grid, .history-figure, .technical-details, .privacy-note, .evidence-explorer { grid-column: 1; }
  .study-card, .journey-result { min-height: 360px; padding: 26px 20px; }
  .history-line { grid-template-columns: 1fr 1fr; gap: 34px 12px; }
  .plain-factors { grid-template-columns: 1fr; }
  .plain-factors p { padding: 20px 0; }
  .plain-factors p + p { border-top: 1px solid var(--line); border-left: 0; padding-left: 0; }
  .technical-details > div { gap: 24px; }
  .research-metric strong { font-size: clamp(62px, 20vw, 88px); }
  .evidence-index { justify-content: space-between; gap: 4px; }
  .evidence-index button { min-width: 44px; }
  .evidence-detail { min-height: 0; gap: 0; }
  .evidence-detail > strong { font-size: clamp(42px, 14vw, 58px); }
  .science-notes { padding: 40px 0 72px; }
  .science-notes li span { margin: 4px 0 0; display: block; }
  .legal-index { width: min(100% - 32px, 1120px); padding: 68px 0; }
  .legal-index-lead { margin-bottom: 54px; }
  .legal-index-links strong { font-size: 25px; }
  .secondary-legal-links { flex-direction: column; gap: 2px; }
  .legal { width: min(100% - 32px, 920px); }
  .legal-heading { grid-template-columns: 1fr; gap: 10px; }
  .legal-heading p { grid-row: 1; }
  .legal-heading h1 { grid-row: 2; font-size: 46px; }
}

@media (max-width: 360px) {
  .science-teaser-metrics p { grid-template-columns: 1fr; gap: 10px; }
  .science-teaser-metrics strong { font-size: clamp(38px, 14vw, 50px); white-space: normal; }
  .evidence-index { display: grid; grid-template-columns: repeat(3, 1fr); }
  .evidence-index button { width: 100%; }
  .history-line { grid-template-columns: 1fr; }
  .answer-actions { gap: 20px; justify-content: space-between; }
}

@media (max-width: 240px) {
  .home-masthead, .science-masthead,
  .science-hero, .method-section, .research-section, .science-notes,
  .science-teaser, .product-selector, .legal-index, .legal {
    width: calc(100% - 32px);
  }
  .wordmark { gap: 8px; font-size: 24px; letter-spacing: -.03em; }
  .wordmark .brand-mark { width: 38px; height: 38px; }
  .wordmark.compact { font-size: 19px; }
  .wordmark.compact .brand-mark { width: 30px; height: 30px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-icon { width: min(92%, 10rem); }
  .science-teaser h1, .display-statement, .legal-index h1 { font-size: 29px; letter-spacing: -.02em; }
  .science-teaser-copy > p, .section-lead, .research-lead { font-size: 14px; }
  .science-teaser-metrics strong, .research-metric strong, .evidence-detail > strong { font-size: 36px; }
  .study-card, .journey-result { min-height: 320px; padding: 22px 14px; }
  .study-card > p { font-size: 27px; }
  .study-answer { font-size: 36px; }
  .technical-details svg text { font-size: 12px; }
  .home-footer { align-items: flex-start; flex-direction: column; gap: 0; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111412;
    --ink: #f1f3ef;
    --muted: #a8ada7;
    --line: #343835;
    --line-strong: #e5e8e3;
    --soft: #191d1a;
    --green: #78c7a7;
    --coral: #f08073;
    --coral-text: #f08073;
    --focus: #78c7a7;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}