:root {
  --paper: #eef0eb;
  --surface: #f6f6f1;
  --surface-strong: #fbfbf7;
  --ink: #262b27;
  --brand-ink: #111a21;
  --muted: #586661;
  --line: #c6cac3;
  --line-strong: #aeb5ae;
  --accent: #335f56;
  --accent-dark: #274a43;
  --accent-soft: #dfe7e1;
  --focus: #335f56;
  --max-width: 1260px;
  --side-space: clamp(20px, 4vw, 56px);
  --section-space: clamp(76px, 9vw, 120px);
  --font-display: "Iowan Old Style", Baskerville, Georgia, "Times New Roman", serif;
  --font-ui: Avenir, "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --motion-fast: 160ms;
  --motion-ui: 220ms;
  --motion-reveal: 720ms;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--surface);
  background-image:
    linear-gradient(to right, rgba(51, 95, 86, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(51, 95, 86, 0.024) 1px, transparent 1px);
  background-size: 132px 132px;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

button,
input,
select {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
summary {
  border-radius: 2px;
}

button,
summary,
select {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 72%, transparent);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

section[id] {
  scroll-margin-top: 88px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--surface-strong);
  transform: translateY(-150%);
  transition: transform var(--motion-fast) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(223, 232, 228, 0.2);
  background: color-mix(in srgb, var(--brand-ink) 97%, transparent);
  box-shadow: 0 8px 28px rgba(17, 26, 33, 0.08);
  backdrop-filter: blur(18px);
}

.header-inner,
.section-shell,
.footer-inner,
.footer-bottom,
.qualification-note {
  width: 100%;
  max-width: 1372px;
  margin-inline: auto;
  padding-inline: var(--side-space);
}

.header-inner {
  display: grid;
  min-height: 78px;
  grid-template-columns: minmax(178px, 0.82fr) auto minmax(190px, 0.82fr);
  align-items: center;
  gap: clamp(24px, 3vw, 48px);
}

.brand-lockup {
  display: flex;
  width: fit-content;
  flex-direction: column;
  min-height: 44px;
  justify-content: center;
  line-height: 1;
}

.brand-wordmark-image {
  width: clamp(176px, 15vw, 210px);
  height: auto;
  filter: brightness(0) invert(1);
}

.desktop-nav {
  display: flex;
  align-self: stretch;
  align-items: center;
  justify-self: center;
  gap: clamp(16px, 2vw, 30px);
  margin: 0;
}

.desktop-nav a {
  position: relative;
  display: inline-flex;
  min-height: 78px;
  align-items: center;
  color: rgba(223, 232, 228, 0.72);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.035em;
  white-space: nowrap;
  transition: color var(--motion-fast) var(--ease-out), background-color var(--motion-fast) var(--ease-out);
}

.site-footer a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color var(--motion-fast) var(--ease-out);
}

.site-footer a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--accent-soft);
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] {
  color: var(--surface-strong);
}

.desktop-nav a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-footer a:hover,
.text-link:hover {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 12px;
}

.language-menu {
  position: relative;
}

.language-menu summary {
  display: inline-flex;
  min-width: 58px;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid rgba(223, 232, 228, 0.28);
  background: transparent;
  color: rgba(246, 246, 241, 0.8);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  list-style: none;
  user-select: none;
}

.language-menu summary::-webkit-details-marker {
  display: none;
}

.language-menu summary::after {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  content: "";
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--motion-fast) var(--ease-out);
}

.language-menu[open] summary {
  border-color: var(--accent-soft);
  background: var(--accent-soft);
  color: var(--brand-ink);
}

.language-menu[open] summary::after {
  transform: rotate(225deg) translate(-1px, -1px);
}

.language-menu__panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 40;
  width: 188px;
  padding: 6px;
  border: 1px solid var(--line-strong);
  background: var(--surface-strong);
  box-shadow: 0 18px 42px rgba(20, 37, 31, 0.14);
}

.language-menu__panel button {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 12px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  transition: background-color var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out), transform 120ms var(--ease-out);
}

.language-menu__panel button + button {
  border-top: 1px solid var(--line);
}

.language-menu__panel button strong {
  color: currentColor;
  font-size: 10px;
  letter-spacing: 0.12em;
}

.language-menu__panel button[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent-soft) 72%, transparent);
  color: var(--ink);
}

.language-menu summary:focus-visible,
.language-menu__panel button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--surface-strong);
}

.button-primary:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button:disabled {
  border-color: var(--line-strong);
  background: var(--line);
  color: var(--muted);
  cursor: not-allowed;
  transform: none;
}

.button-small {
  min-height: 44px;
  padding-inline: 16px;
  font-size: 12px;
}

.site-header .header-cta {
  min-height: 42px;
  padding-inline: 18px;
  border-color: var(--accent-soft);
  background: var(--accent-soft);
  color: var(--brand-ink);
}

.site-header .header-cta:hover {
  border-color: var(--surface-strong);
  background: var(--surface-strong);
}

.mobile-nav {
  display: none;
  position: relative;
}

.mobile-nav summary {
  min-width: 62px;
  min-height: 42px;
  padding: 11px 12px;
  border: 1px solid rgba(223, 232, 228, 0.28);
  color: var(--surface-strong);
  list-style: none;
  font-size: 11px;
  font-weight: 800;
  text-align: center;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav nav {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: min(300px, calc(100vw - 40px));
  padding: 10px;
  border: 1px solid rgba(223, 232, 228, 0.22);
  background: var(--brand-ink);
  box-shadow: 0 18px 42px rgba(17, 26, 33, 0.2);
}

.mobile-nav nav a {
  display: flex;
  min-height: 46px;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(223, 232, 228, 0.16);
  color: rgba(246, 246, 241, 0.8);
  font-size: 13px;
  font-weight: 700;
}

.mobile-nav nav a:hover,
.mobile-nav nav a[aria-current="page"] {
  color: var(--surface-strong);
}

.mobile-nav nav a:last-child {
  border-bottom: 0;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  display: grid;
  min-height: min(820px, calc(100vh - 108px));
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(48px, 7vw, 104px);
  padding-block: clamp(72px, 8vw, 108px);
}

body[data-page="landing"] .hero {
  min-height: min(760px, calc(100dvh - 108px));
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: clamp(22px, 3vw, 48px);
  padding-block: 0;
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  box-shadow:
    inset 1px 0 0 var(--line),
    inset -1px 0 0 var(--line);
}

body[data-page="landing"] .hero-copy {
  padding: clamp(56px, 7vw, 92px) clamp(34px, 5vw, 72px);
}

body[data-page="landing"] .hero-product {
  display: flex;
  align-self: center;
  height: min(640px, calc(100dvh - 150px));
  min-height: 520px;
  flex-direction: column;
  border: 1px solid var(--line);
}

.hero-copy,
.offer-hero-copy {
  min-width: 0;
}

.hero h1,
.offer-hero h1 {
  margin: 18px 0 22px;
  font-size: clamp(70px, 9vw, 124px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.84;
  font-family: var(--font-display);
  hyphens: none;
  overflow-wrap: normal;
  text-wrap: balance;
}

.hero-dose {
  display: block;
  margin-top: 18px;
  color: var(--accent);
  font-size: 0.48em;
  font-weight: 700;
  letter-spacing: -0.04em;
}

body[data-page="landing"] .hero h1 {
  margin: 18px 0 24px;
  font-size: clamp(70px, 8vw, 104px);
  font-weight: 750;
  line-height: 0.88;
}

body[data-page="landing"] .hero-dose {
  margin-top: 8px;
  font-size: 0.82em;
  font-weight: 750;
}

.hero-positioning {
  max-width: 620px;
  margin: 0 0 14px;
  color: var(--ink);
  font-size: clamp(21px, 2.15vw, 28px);
  font-weight: 720;
  letter-spacing: -0.025em;
  line-height: 1.2;
  text-wrap: balance;
}

.hero-lede {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.52;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-product,
.offer-product {
  min-width: 0;
}

.product-stage {
  position: relative;
  display: flex;
  height: 550px;
  align-items: center;
  justify-content: center;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}

.product-stage::before {
  position: absolute;
  width: min(34vw, 410px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  background: color-mix(in srgb, var(--accent-soft) 86%, transparent);
  content: "";
}

.product-stage::after {
  position: absolute;
  z-index: 0;
  width: min(68%, 360px);
  aspect-ratio: 1;
  background: url("/assets/retatrutide-demo/branding/metavique-symbol-watermark.png") center / contain no-repeat;
  content: "";
  opacity: 0.045;
}

.product-image {
  position: relative;
  z-index: 1;
  width: auto;
  max-width: 80%;
  height: 94%;
  object-fit: contain;
}

body[data-page="landing"] .product-stage {
  flex: 1;
  height: auto;
  min-height: 0;
  border: 0;
  background: #eef0e8;
}

body[data-page="landing"] .product-stage::before,
body[data-page="landing"] .product-stage::after {
  display: none;
}

body[data-page="landing"] .product-image {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  max-width: 92%;
  height: 104%;
  filter: drop-shadow(0 20px 18px rgba(38, 43, 39, 0.14));
  transform: translate(-50%, -50%);
}

body[data-page="landing"] .product-image.product-image--scene {
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: none;
  transform: none;
}

.product-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--surface-strong);
}

.product-meta div {
  display: flex;
  min-width: 0;
  min-height: 76px;
  flex-direction: column;
  justify-content: center;
  padding: 14px 18px;
}

.product-meta div + div {
  border-left: 1px solid var(--line);
}

.product-meta span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-meta strong {
  margin-top: 3px;
  font-size: 15px;
}

body[data-page="landing"] .product-meta div {
  min-height: 56px;
  padding: 10px 16px;
}

body[data-page="landing"] .product-meta strong {
  margin-top: 0;
  line-height: 1.2;
  text-wrap: balance;
}

.research-metrics {
  border-block: 1px solid var(--brand-ink);
  background-color: var(--brand-ink);
  background-image:
    linear-gradient(to right, rgba(223, 232, 228, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(223, 232, 228, 0.025) 1px, transparent 1px);
  background-size: 132px 132px;
  color: #f5f7f4;
}

.research-metrics__shell {
  width: 100%;
  max-width: 1372px;
  margin-inline: auto;
  padding: clamp(72px, 8vw, 108px) var(--side-space) 34px;
}

.research-metrics__heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: end;
  gap: clamp(44px, 8vw, 124px);
  padding-bottom: clamp(42px, 5vw, 64px);
  border-bottom: 1px solid rgba(223, 232, 228, 0.18);
}

.research-metrics .eyebrow {
  color: #8fb7ad;
}

.research-metrics__heading h2 {
  max-width: 780px;
  margin: 17px 0 0;
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 78px);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

.research-metrics__heading > p {
  max-width: 470px;
  margin: 0;
  color: #a8b5b0;
  font-size: 17px;
}

.research-metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid rgba(223, 232, 228, 0.18);
}

.research-metrics__grid article {
  min-width: 0;
  min-height: 292px;
  padding: 34px clamp(20px, 2.5vw, 38px) 38px;
  border-left: 1px solid rgba(223, 232, 228, 0.18);
}

.research-metrics__grid article:last-child {
  border-right: 1px solid rgba(223, 232, 228, 0.18);
}

.research-metrics__grid svg {
  width: 44px;
  height: 44px;
  margin-bottom: 44px;
  color: #8fb7ad;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.8;
}

.research-metrics__grid strong {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: #f5f7f4;
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 58px);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1;
}

.research-metrics__grid strong > span {
  color: #b7c6c0;
  font-size: clamp(9px, 0.26em, 13px);
  font-weight: 750;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
}

.research-metrics__grid h3 {
  margin: 20px 0 7px;
  color: #dfe8e4;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.35;
}

.research-metrics__grid p {
  margin: 0;
  color: #8f9d98;
  font-size: 13px;
  line-height: 1.45;
}

.research-metrics__note {
  max-width: 920px;
  margin: 0;
  padding-top: 24px;
  color: #a8b5b0;
  font-size: 12px;
  line-height: 1.5;
}

.expertise-strip {
  --strip-line: rgba(223, 232, 228, 0.16);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-inline: max(var(--side-space), calc(50vw - 630px));
  border-block: 1px solid var(--brand-ink);
  background: var(--brand-ink);
}

.expertise-strip article {
  display: grid;
  min-height: 142px;
  align-content: center;
  padding: 24px clamp(20px, 2.4vw, 36px);
  border-left: 1px solid var(--strip-line);
}

.expertise-strip article:last-child {
  border-right: 1px solid var(--strip-line);
}

.expertise-strip span,
.field-item > span,
.scope-grid article > span,
.process-grid li > span,
.offer-process li > span,
.audience-list span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.expertise-strip span {
  color: #8fb7ad;
}

.expertise-strip strong {
  margin-top: 8px;
  color: #f5f7f4;
  font-size: 19px;
}

.expertise-strip small {
  margin-top: 3px;
  color: #a8b5b0;
  font-size: 13px;
}

body[data-page="landing"] .package-feature,
body[data-page="landing"] .research-app-section,
body[data-page="landing"] .kit-feature {
  position: relative;
}

body[data-page="landing"] .package-feature {
  display: grid;
  grid-template-columns: minmax(300px, 0.68fr) minmax(0, 1.32fr);
  align-items: center;
  gap: clamp(38px, 7vw, 100px);
  padding-block: clamp(74px, 8vw, 112px);
}

body[data-page="landing"] .package-feature__copy,
body[data-page="landing"] .kit-feature__copy {
  min-width: 0;
}

body[data-page="landing"] .package-feature__copy h2,
body[data-page="landing"] .kit-feature__copy h2 {
  margin: 18px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 66px);
  font-weight: 650;
  letter-spacing: -0.052em;
  line-height: 0.98;
  text-wrap: balance;
}

body[data-page="landing"] .package-feature__copy > p:last-child,
body[data-page="landing"] .kit-feature__copy > p:last-child {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

body[data-page="landing"] .photo-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #ffffff;
}

body[data-page="landing"] .photo-frame img {
  display: block;
  width: 100%;
  height: auto;
}

body[data-page="landing"] .photo-frame figcaption {
  padding: 14px 18px 15px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

body[data-page="landing"] .package-feature__media {
  box-shadow: 12px 14px 0 color-mix(in srgb, var(--accent-soft) 58%, transparent);
}

body[data-page="landing"] .research-app-section {
  display: block;
  padding-block: 0;
  border-block: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--accent-soft) 78%, transparent);
  box-shadow:
    inset 1px 0 0 var(--line),
    inset -1px 0 0 var(--line);
}

body[data-page="landing"] .research-app__announcement {
  min-width: 0;
  padding: clamp(48px, 6.5vw, 88px);
}

body[data-page="landing"] .research-app__intro {
  max-width: 920px;
}

body[data-page="landing"] .research-app__status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

body[data-page="landing"] .research-app__status-row > span {
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

body[data-page="landing"] .research-app__intro h2 {
  max-width: 900px;
  margin: 24px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(44px, 5.1vw, 68px);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

body[data-page="landing"] .research-app__lede {
  max-width: 840px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

body[data-page="landing"] .research-app__guardrail {
  max-width: 760px;
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 13px;
}

body[data-page="landing"] .research-app__intro .button {
  margin-top: 28px;
}

body[data-page="landing"] .research-console {
  margin-top: clamp(42px, 5vw, 64px);
  border: 1px solid var(--line-strong);
  background: var(--surface-strong);
  box-shadow: 14px 16px 0 color-mix(in srgb, var(--accent) 12%, transparent);
}

body[data-page="landing"] .research-console__topbar {
  display: flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--brand-ink);
  color: #f5f7f4;
}

body[data-page="landing"] .research-console__topbar strong,
body[data-page="landing"] .research-console__topbar span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

body[data-page="landing"] .research-console__topbar span {
  color: #8fb7ad;
}

body[data-page="landing"] .research-console__workspace {
  display: grid;
  grid-template-columns: minmax(132px, 0.34fr) minmax(0, 1fr);
  min-height: 344px;
}

body[data-page="landing"] .research-console__tabs {
  display: grid;
  align-content: start;
  border-right: 1px solid var(--line-strong);
  background: var(--paper);
}

body[data-page="landing"] .research-console__tabs button {
  min-height: 62px;
  padding: 14px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  text-align: left;
  transition: background-color var(--motion-ui) var(--ease-out), color var(--motion-ui) var(--ease-out), transform 120ms var(--ease-out);
}

body[data-page="landing"] .research-console__tabs button:hover {
  color: var(--ink);
}

body[data-page="landing"] .research-console__tabs button[aria-selected="true"] {
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
  color: var(--accent-dark);
}

body[data-page="landing"] .research-console__panels {
  min-width: 0;
  padding: clamp(26px, 3.2vw, 42px);
}

body[data-page="landing"] .research-console__panels section > span {
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

body[data-page="landing"] .research-console__panels h3 {
  margin: 12px 0 9px;
  font-size: clamp(25px, 2.7vw, 36px);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

body[data-page="landing"] .research-console__panels section > p {
  max-width: 580px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

body[data-page="landing"] .research-console__panels ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 28px 0 0;
  padding: 0;
  border-block: 1px solid var(--line);
  list-style: none;
}

body[data-page="landing"] .research-console__panels li {
  display: grid;
  min-height: 92px;
  align-content: center;
  gap: 8px;
  padding: 14px;
}

body[data-page="landing"] .research-console__panels li + li {
  border-left: 1px solid var(--line);
}

body[data-page="landing"] .research-console__panels li span {
  color: var(--accent);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

body[data-page="landing"] .research-console__panels li strong {
  font-size: 12px;
  line-height: 1.35;
}

body[data-page="landing"] .research-console__note {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.04em;
}

body[data-page="landing"] .kit-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.34fr) minmax(260px, 0.66fr);
  align-items: stretch;
  margin-block: var(--section-space);
  border-block: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  box-shadow:
    inset 1px 0 0 var(--line),
    inset -1px 0 0 var(--line);
}

body[data-page="landing"] .kit-feature__media {
  align-self: center;
  padding: clamp(22px, 3.6vw, 50px);
  border: 0;
  border-right: 1px solid var(--line-strong);
  background: transparent;
}

body[data-page="landing"] .kit-feature__media figcaption {
  margin-top: 14px;
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
}

body[data-page="landing"] .kit-feature__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 5vw, 70px);
}

.section-block {
  padding-block: var(--section-space);
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(44px, 6vw, 88px);
  align-items: end;
  margin-bottom: clamp(46px, 6vw, 76px);
}

.split-heading > *,
.contact-copy,
.terms-layout > *,
.offer-cta > div {
  min-width: 0;
}

.split-heading h2,
.contact-copy h2,
.terms-layout h2,
.offer-cta h2 {
  max-width: 760px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.02;
  hyphens: none;
  overflow-wrap: normal;
  text-wrap: balance;
}

.split-heading h2 {
  max-width: 860px;
  font-size: clamp(44px, 4.6vw, 62px);
}

body[data-page="landing"] .split-heading h2,
body[data-page="landing"] .contact-copy h2 {
  font-weight: 650;
}

.split-heading > p,
.contact-copy > p,
.offer-cta p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--surface-strong) 80%, transparent);
}

.field-item {
  min-height: 184px;
  padding: 30px clamp(28px, 4vw, 52px) 32px;
  border: 0;
}

.field-item:nth-child(even) {
  border-left: 1px solid var(--line-strong);
}

.field-item:nth-child(n + 3) {
  border-top: 1px solid var(--line-strong);
}

.field-item:nth-child(1) {
  background: color-mix(in srgb, var(--accent-soft) 82%, transparent);
}

.field-item:nth-child(4) {
  background: color-mix(in srgb, var(--paper) 86%, transparent);
}

.field-item h3,
.scope-grid h3,
.process-grid h3 {
  margin: 28px 0 8px;
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.field-item p,
.scope-grid p,
.process-grid p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
}

.process-section {
  padding-block: clamp(72px, 7vw, 96px);
  border-block: 1px solid var(--line);
  background: var(--paper);
}

.process-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  margin: 0;
  padding: 0;
  border-block: 1px solid var(--line-strong);
  list-style: none;
}

.process-grid li {
  min-height: 204px;
  padding: 30px clamp(24px, 3vw, 46px);
}

.process-grid li + li {
  border-left: 1px solid var(--line-strong);
}

.process-grid h3 {
  margin-top: 50px;
}

.contact-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(48px, 8vw, 120px);
  padding-block: var(--section-space);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  box-shadow:
    inset 1px 0 0 var(--line),
    inset -1px 0 0 var(--line);
}

.contact-copy p {
  margin-top: 24px;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 32px;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  transition: color var(--motion-fast) var(--ease-out);
}

.form-panel {
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--line);
  background: var(--paper);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field input,
.field select {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  background: var(--surface-strong);
  color: var(--ink);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input:focus,
.field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);
  outline: 0;
}

.field input:user-invalid,
.field select:user-invalid {
  border-color: #9f433b;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
}

.form-actions p {
  max-width: 260px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.success-state {
  display: grid;
  min-height: 260px;
  align-content: center;
  text-align: left;
}

.success-state > span {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 800;
}

.success-state h3 {
  margin: 26px 0 8px;
  font-size: 30px;
  letter-spacing: -0.03em;
}

.success-state p {
  max-width: 480px;
  margin: 0 0 28px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid rgba(223, 232, 228, 0.14);
  background: var(--brand-ink);
  color: var(--surface-strong);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(260px, 1.45fr) repeat(3, minmax(145px, 0.72fr));
  align-items: start;
  gap: clamp(34px, 5vw, 78px);
  padding-block: clamp(56px, 6vw, 84px);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.footer-brand > a {
  min-height: auto;
}

.footer-wordmark {
  width: clamp(190px, 17vw, 234px);
  height: auto;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  max-width: 34ch;
  margin: 0;
  color: rgba(223, 232, 228, 0.66);
  font-size: 14px;
  line-height: 1.65;
}

.footer-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-column strong {
  margin-bottom: 18px;
  color: var(--surface-strong);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.site-footer .footer-column a {
  min-height: 36px;
  color: rgba(223, 232, 228, 0.68);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
}

.site-footer .footer-column a:hover {
  color: var(--surface-strong);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-block: 22px 28px;
  border-top: 1px solid rgba(223, 232, 228, 0.14);
}

.footer-bottom p {
  margin: 0;
  color: rgba(223, 232, 228, 0.48);
  font-size: 11px;
  letter-spacing: 0.025em;
}

.qualification-note {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.offer-hero {
  display: grid;
  min-height: 720px;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
  padding-block: clamp(72px, 8vw, 106px);
}

.offer-hero h1 {
  max-width: 850px;
  font-size: clamp(58px, 7.3vw, 96px);
  line-height: 0.96;
}

.product-stage-compact {
  height: 450px;
}

.offer-product .product-image {
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: cover;
}

.product-stage-compact::before {
  width: min(30vw, 330px);
}

.scope-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.35fr 0.9fr;
  border-block: 1px solid var(--line-strong);
}

.scope-grid article {
  min-height: 244px;
  padding: 30px clamp(22px, 3vw, 44px);
}

.scope-grid article + article {
  border-left: 1px solid var(--line-strong);
}

.scope-grid h3 {
  margin-top: 62px;
}

.audience-section {
  padding-block: clamp(70px, 8vw, 100px);
  border-block: 1px solid var(--line);
  background: var(--paper);
}

.compact-heading {
  margin-bottom: 44px;
}

.audience-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line-strong);
}

.audience-list > div {
  display: grid;
  min-height: 132px;
  align-content: center;
  gap: 18px;
  padding: 22px clamp(18px, 2.5vw, 34px);
}

.audience-list > div + div {
  border-left: 1px solid var(--line-strong);
}

.audience-list strong {
  font-size: 16px;
}

.offer-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  border-block: 1px solid var(--line-strong);
  list-style: none;
}

.offer-process li {
  display: grid;
  min-height: 158px;
  align-content: center;
  gap: 28px;
  padding: 24px clamp(18px, 2.5vw, 34px);
}

.offer-process li + li {
  border-left: 1px solid var(--line-strong);
}

.offer-process strong {
  font-size: 17px;
}

.terms-section {
  padding-block: clamp(72px, 8vw, 104px);
  border-block: 1px solid var(--line);
  background: var(--accent-soft);
}

.terms-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(48px, 9vw, 140px);
}

.terms-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.terms-list li {
  position: relative;
  padding: 18px 12px 18px 28px;
  border-bottom: 1px solid var(--line-strong);
  color: #38534a;
}

.terms-list li::before {
  position: absolute;
  top: 27px;
  left: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.offer-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding-block: clamp(72px, 8vw, 104px);
}

.offer-cta p {
  margin-top: 18px;
}

.desktop-nav a[aria-current="page"] {
  color: var(--accent);
}

body[data-page="article"] {
  background-color: var(--surface-strong);
  background-image: none;
}

.article-hero {
  overflow: hidden;
  border-bottom: 1px solid #2c3d39;
  background:
    linear-gradient(to right, rgba(223, 231, 225, 0.055) 1px, transparent 1px),
    var(--brand-ink);
  background-size: 132px 100%;
  color: var(--surface-strong);
}

.article-hero__inner {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding: clamp(76px, 10vw, 142px) var(--side-space) clamp(64px, 8vw, 112px);
}

.article-hero .eyebrow {
  color: #a9c6bc;
}

.article-hero h1 {
  max-width: 1080px;
  margin: 22px 0 0;
  font-family: var(--font-display);
  font-size: clamp(48px, 6.7vw, 88px);
  font-weight: 400;
  letter-spacing: -0.047em;
  line-height: 0.98;
  text-wrap: balance;
}

.article-hero__lede {
  max-width: 790px;
  margin: 32px 0 0;
  color: #d2dcd8;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.58;
  text-wrap: pretty;
}

.article-meta {
  display: grid;
  max-width: 860px;
  margin: 52px 0 0;
  padding: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(223, 231, 225, 0.24);
  border-bottom: 1px solid rgba(223, 231, 225, 0.24);
}

.article-meta div {
  padding: 20px 24px 22px 0;
}

.article-meta div + div {
  padding-left: 24px;
  border-left: 1px solid rgba(223, 231, 225, 0.24);
}

.article-meta dt {
  color: #91a69f;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-meta dd {
  margin: 8px 0 0;
  color: var(--surface-strong);
  font-size: 18px;
  font-weight: 700;
}

.article-layout {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(170px, 220px) minmax(0, 860px);
  justify-content: center;
  gap: clamp(54px, 7vw, 98px);
  padding-block: clamp(72px, 9vw, 124px);
}

.article-toc {
  position: sticky;
  top: 126px;
  padding-top: 10px;
}

.article-toc > p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-toc nav {
  display: grid;
  border-top: 1px solid var(--line);
}

.article-toc a {
  min-height: 44px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  transition: color var(--motion-fast) var(--ease-out), padding-left var(--motion-fast) var(--ease-out);
}

.article-toc a:hover {
  padding-left: 5px;
  color: var(--accent);
}

.article-body {
  min-width: 0;
}

.article-body p,
.article-body li {
  text-wrap: pretty;
}

.article-callout {
  scroll-margin-top: 112px;
  padding: clamp(30px, 5vw, 48px);
  border: 1px solid var(--line-strong);
  background: var(--accent-soft);
}

.article-callout__grid {
  display: grid;
  margin: 24px 0 38px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.article-callout__grid > div {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 148px;
  padding: 24px 24px 24px 0;
}

.article-callout__grid > div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line-strong);
}

.article-callout__grid strong {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 64px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1;
}

.article-callout__grid span {
  max-width: 260px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.article-callout h2,
.article-section h2,
.article-conclusion h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.05;
  text-wrap: balance;
}

.article-callout > p:last-child {
  max-width: 720px;
  margin: 22px 0 0;
  color: #3d504a;
  font-size: 17px;
  line-height: 1.72;
}

.article-section {
  scroll-margin-top: 112px;
  padding-block: clamp(66px, 8vw, 96px);
  border-bottom: 1px solid var(--line);
}

.article-section .section-index {
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.article-section > p:not(.section-index, .article-caption, .article-note) {
  max-width: 760px;
  margin: 26px 0 0;
  color: #40514c;
  font-size: 17px;
  line-height: 1.78;
}

.article-section h3 {
  margin: 52px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.receptor-grid {
  display: grid;
  margin-top: 40px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.receptor-grid > div {
  padding: 28px 24px 30px 0;
}

.receptor-grid > div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line-strong);
}

.receptor-grid strong {
  color: var(--accent);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.receptor-grid p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.study-facts {
  display: grid;
  margin-top: 42px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.study-facts > div {
  display: grid;
  gap: 7px;
  padding: 22px 24px 24px 0;
  border-bottom: 1px solid var(--line-strong);
}

.study-facts > div:nth-child(even) {
  padding-left: 24px;
  border-left: 1px solid var(--line-strong);
}

.study-facts span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.study-facts strong {
  font-size: 16px;
}

.article-table-wrap {
  margin-top: 38px;
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.article-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.article-table th,
.article-table td {
  padding: 17px 16px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  vertical-align: middle;
}

.article-table th:first-child {
  padding-left: 0;
  text-align: left;
}

.article-table thead th {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-table tbody th {
  font-size: 14px;
  font-weight: 700;
}

.article-table tbody td {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
}

.article-table tbody tr:last-child th,
.article-table tbody tr:last-child td {
  border-bottom: 0;
}

.article-table__highlight {
  background: var(--accent-soft);
}

.article-caption {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.threshold-grid,
.safety-grid {
  display: grid;
  margin-top: 30px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.threshold-grid > div,
.safety-grid > div {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 144px;
  padding: 24px 22px 26px 0;
}

.threshold-grid > div + div,
.safety-grid > div + div {
  padding-left: 22px;
  border-left: 1px solid var(--line-strong);
}

.threshold-grid strong,
.safety-grid strong {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.threshold-grid span,
.safety-grid span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.article-note {
  margin: 24px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: #465650;
  font-size: 14px;
  line-height: 1.65;
}

.article-list {
  margin: 36px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.article-list li {
  position: relative;
  padding: 18px 16px 18px 30px;
  border-bottom: 1px solid var(--line);
  color: #40514c;
  line-height: 1.65;
}

.article-list li::before {
  position: absolute;
  top: 27px;
  left: 4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.article-conclusion {
  margin-top: clamp(66px, 8vw, 96px);
  padding: clamp(34px, 6vw, 56px);
  background: var(--brand-ink);
  color: var(--surface-strong);
}

.article-conclusion .eyebrow {
  color: #a9c6bc;
}

.article-conclusion h2 {
  margin-top: 18px;
}

.article-conclusion > p:last-child {
  max-width: 720px;
  margin: 24px 0 0;
  color: #d2dcd8;
  font-size: 16px;
  line-height: 1.75;
}

.article-source {
  padding-top: 54px;
}

.article-source > p:not(.eyebrow) {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.article-source .text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 14px;
}

.article-source .article-medical-note {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

@media (max-width: 1080px) {
  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .footer-inner {
    grid-template-columns: minmax(260px, 1.2fr) repeat(2, minmax(145px, 0.8fr));
  }

  .footer-column:last-child {
    grid-column: 2 / -1;
  }

  .desktop-nav {
    display: none;
  }

  .header-actions {
    margin-left: 0;
  }

  .mobile-nav {
    display: block;
  }

  .hero,
  .offer-hero {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
    gap: 48px;
  }

  .hero h1 {
    font-size: clamp(64px, 9vw, 92px);
  }

  .offer-hero h1 {
    font-size: clamp(52px, 7.2vw, 78px);
  }

  body[data-page="landing"] .hero {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
  }

  body[data-page="landing"] .hero-copy {
    padding: 52px 32px;
  }

  body[data-page="landing"] .product-stage {
    min-height: 470px;
  }

  .article-layout {
    grid-template-columns: minmax(150px, 190px) minmax(0, 760px);
    gap: 48px;
  }
}

@media (max-width: 840px) {
  .hero,
  .offer-hero {
    min-height: 0;
    grid-template-columns: 1fr;
    padding-block: 72px;
  }

  .hero-copy,
  .offer-hero-copy {
    max-width: 700px;
  }

  .hero h1 {
    font-size: clamp(68px, 15vw, 104px);
  }

  .offer-hero h1 {
    font-size: clamp(52px, 10vw, 76px);
  }

  .product-stage,
  .product-stage-compact {
    height: 430px;
  }

  .product-stage::before,
  .product-stage-compact::before {
    width: 330px;
  }

  .research-metrics__heading {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 0.62fr);
    gap: 36px;
  }

  .research-metrics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-metrics__grid article:nth-child(even) {
    border-right: 1px solid rgba(223, 232, 228, 0.18);
  }

  .research-metrics__grid article:nth-child(n + 3) {
    border-top: 1px solid rgba(223, 232, 228, 0.18);
  }

  .expertise-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .expertise-strip article:nth-child(odd) {
    border-left: 1px solid var(--strip-line);
  }

  .expertise-strip article:nth-child(even) {
    border-right: 1px solid var(--strip-line);
  }

  .expertise-strip article:nth-child(n + 3) {
    border-top: 1px solid var(--strip-line);
  }

  body[data-page="landing"] .package-feature {
    gap: 40px;
  }

  body[data-page="landing"] .research-app__announcement {
    padding: 38px 32px 48px;
  }

  body[data-page="landing"] .research-console__workspace {
    grid-template-columns: 112px minmax(0, 1fr);
  }

  body[data-page="landing"] .research-console__tabs button {
    padding-inline: 12px;
  }

  body[data-page="landing"] .research-console__panels {
    padding: 26px 22px;
  }

  body[data-page="landing"] .kit-feature {
    grid-template-columns: minmax(0, 1.22fr) minmax(240px, 0.78fr);
  }

  .split-heading,
  .contact-section,
  .terms-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .field-grid {
    column-gap: 0;
  }

  .contact-copy {
    max-width: 620px;
  }

  .scope-grid {
    grid-template-columns: 1fr;
  }

  .scope-grid article {
    min-height: 190px;
  }

  .scope-grid article + article {
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .scope-grid h3 {
    margin-top: 34px;
  }

  .audience-list,
  .offer-process {
    grid-template-columns: repeat(2, 1fr);
  }

  .audience-list > div:nth-child(3),
  .offer-process li:nth-child(3) {
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .audience-list > div:nth-child(4),
  .offer-process li:nth-child(4) {
    border-top: 1px solid var(--line-strong);
  }
}

@media (max-width: 760px) {
  body[data-page="landing"] .hero {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  body[data-page="landing"] .hero-copy {
    padding: 52px 0 64px;
  }

  body[data-page="landing"] .hero-product {
    order: -1;
    height: auto;
    min-height: 0;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  body[data-page="landing"] .product-stage {
    min-height: 380px;
  }

  .research-metrics__heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  body[data-page="landing"] .package-feature,
  body[data-page="landing"] .kit-feature {
    grid-template-columns: 1fr;
  }

  body[data-page="landing"] .package-feature__media {
    order: -1;
  }

  body[data-page="landing"] .package-feature__media {
    box-shadow: 10px 12px 0 color-mix(in srgb, var(--accent-soft) 72%, transparent);
  }

  body[data-page="landing"] .research-app__announcement {
    padding: 46px 0 58px;
  }

  body[data-page="landing"] .research-console__workspace {
    grid-template-columns: 1fr;
  }

  body[data-page="landing"] .research-console__tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
  }

  body[data-page="landing"] .research-console__tabs button {
    min-height: 52px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    text-align: center;
  }

  body[data-page="landing"] .research-console__tabs button:last-child {
    border-right: 0;
  }

  body[data-page="landing"] .research-console__tabs button[aria-selected="true"] {
    box-shadow: inset 0 3px 0 var(--accent);
  }

  body[data-page="landing"] .kit-feature__media {
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
  }

  body[data-page="landing"] .kit-feature__copy {
    padding: 38px 0 46px;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .article-toc {
    position: static;
    padding-top: 0;
  }

  .article-toc nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .article-toc a {
    padding-right: 14px;
  }
}

@media (max-width: 620px) {
  :root {
    --side-space: 20px;
    --section-space: 64px;
  }

  .header-inner {
    min-height: 68px;
    gap: 10px;
  }

  .brand-wordmark-image {
    width: 154px;
  }

  .header-cta {
    display: none;
  }

  .language-menu summary {
    min-width: 60px;
    padding-inline: 11px;
  }

  .mobile-nav summary {
    min-width: 58px;
  }

  .hero,
  .offer-hero {
    padding-block: 58px 68px;
  }

  body[data-page="landing"] .hero h1 {
    margin-top: 14px;
    font-size: clamp(52px, 15.5vw, 60px);
    letter-spacing: -0.055em;
  }

  .offer-hero h1 {
    font-size: clamp(40px, 11vw, 54px);
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-positioning {
    font-size: 20px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
  }

  .product-stage,
  .product-stage-compact {
    height: 340px;
  }

  .product-stage::before,
  .product-stage-compact::before {
    width: 250px;
  }

  .product-image {
    height: 90%;
  }

  body[data-page="landing"] .product-stage {
    flex: 0 0 230px;
    height: 230px;
    min-height: 230px;
  }

  body[data-page="landing"] .product-image {
    height: 132%;
  }

  body[data-page="landing"] .hero-copy {
    padding: 36px 0 56px;
  }

  .product-meta div {
    min-height: 64px;
    padding: 10px 8px;
  }

  .product-meta span {
    font-size: 9px;
    letter-spacing: 0.08em;
  }

  .product-meta strong {
    font-size: 13px;
    overflow-wrap: break-word;
  }

  body[data-page="landing"] .product-meta div {
    min-height: 52px;
    padding: 8px;
  }

  .expertise-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .expertise-strip article {
    min-height: 140px;
    padding: 20px 16px;
    border-right: 0;
  }

  .expertise-strip article + article {
    border-top: 0;
  }

  .expertise-strip article:nth-child(n + 3) {
    border-top: 1px solid var(--strip-line);
  }

  .expertise-strip article:nth-child(even) {
    border-right: 1px solid var(--strip-line);
  }

  .expertise-strip strong {
    font-size: 16px;
  }

  .research-metrics__shell {
    padding: 60px var(--side-space) 28px;
  }

  .research-metrics__heading h2 {
    font-size: clamp(40px, 12vw, 54px);
  }

  .research-metrics__heading > p {
    font-size: 15px;
  }

  .research-metrics__grid article {
    min-height: 210px;
    padding: 24px 16px 28px;
  }

  .research-metrics__grid svg {
    width: 36px;
    height: 36px;
    margin-bottom: 24px;
  }

  .research-metrics__grid strong {
    font-size: clamp(28px, 9vw, 38px);
  }

  .research-metrics__grid h3 {
    margin-top: 16px;
    font-size: 13px;
  }

  .research-metrics__grid p {
    font-size: 11px;
  }

  .research-metrics__note {
    font-size: 10px;
  }

  body[data-page="landing"] .package-feature__copy h2,
  body[data-page="landing"] .kit-feature__copy h2 {
    font-size: clamp(34px, 10vw, 46px);
    hyphens: none;
    overflow-wrap: normal;
  }

  body[data-page="landing"] .package-feature__copy > p:last-child,
  body[data-page="landing"] .kit-feature__copy > p:last-child {
    font-size: 16px;
  }

  body[data-page="landing"] .photo-frame figcaption {
    padding: 12px 14px 13px;
    font-size: 11px;
  }

  body[data-page="landing"] .research-app__status-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  body[data-page="landing"] .research-app__intro h2 {
    font-size: clamp(34px, 10vw, 46px);
    hyphens: none;
    overflow-wrap: normal;
  }

  body[data-page="landing"] .research-app__lede {
    font-size: 16px;
  }

  body[data-page="landing"] .research-app__intro .button {
    width: 100%;
  }

  body[data-page="landing"] .research-console {
    box-shadow: 8px 9px 0 color-mix(in srgb, var(--accent) 12%, transparent);
  }

  body[data-page="landing"] .research-console__tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
  }

  body[data-page="landing"] .research-console__tabs button {
    min-width: 0;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  body[data-page="landing"] .research-console__tabs button:nth-child(2n) {
    border-right: 0;
  }

  body[data-page="landing"] .research-console__tabs button:nth-child(n + 3) {
    border-bottom: 0;
  }

  body[data-page="landing"] .research-console__panels {
    padding: 24px 18px;
  }

  body[data-page="landing"] .research-console__panels ol {
    grid-template-columns: 1fr;
  }

  body[data-page="landing"] .research-console__panels li {
    min-height: 68px;
  }

  body[data-page="landing"] .research-console__panels li + li {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  body[data-page="landing"] .kit-feature__media figcaption {
    padding-inline: 0;
  }

  .split-heading h2,
  .contact-copy h2,
  .terms-layout h2,
  .offer-cta h2 {
    font-size: clamp(34px, 10vw, 46px);
    hyphens: none;
    overflow-wrap: normal;
  }

  .offer-hero h1 {
    overflow-wrap: normal;
  }

  .split-heading {
    gap: 24px;
    margin-bottom: 36px;
  }

  .split-heading > p,
  .contact-copy > p,
  .offer-cta p {
    font-size: 16px;
  }

  .field-grid,
  .process-grid,
  .form-grid,
  .audience-list,
  .offer-process {
    grid-template-columns: 1fr;
  }

  .field-item {
    min-height: 142px;
    padding: 26px 24px 28px;
  }

  .field-item:nth-child(even) {
    border-left: 0;
  }

  .field-item:nth-child(n + 2) {
    border-top: 1px solid var(--line-strong);
  }

  .process-grid li {
    min-height: 144px;
    padding: 24px;
  }

  .process-grid li + li {
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .process-grid h3 {
    margin-top: 28px;
  }

  .form-panel {
    padding: 24px 20px;
  }

  .field-full {
    grid-column: auto;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .form-actions .button {
    width: 100%;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-column:last-child {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .audience-list > div,
  .offer-process li {
    min-height: 120px;
  }

  .audience-list > div + div,
  .audience-list > div:nth-child(3),
  .offer-process li + li,
  .offer-process li:nth-child(3) {
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .offer-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .offer-cta .button {
    width: 100%;
  }

  .article-hero__inner {
    padding-block: 58px 64px;
  }

  .article-hero h1 {
    font-size: clamp(42px, 12.5vw, 58px);
  }

  .article-hero__lede {
    font-size: 17px;
  }

  .article-meta {
    grid-template-columns: 1fr;
  }

  .article-meta div {
    padding: 16px 0;
  }

  .article-meta div + div {
    padding-left: 0;
    border-top: 1px solid rgba(223, 231, 225, 0.24);
    border-left: 0;
  }

  .article-layout {
    padding-block: 56px 76px;
  }

  .article-toc nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-callout {
    padding: 26px 22px 30px;
  }

  .article-callout__grid,
  .receptor-grid,
  .threshold-grid,
  .safety-grid {
    grid-template-columns: 1fr;
  }

  .article-callout__grid > div,
  .receptor-grid > div,
  .threshold-grid > div,
  .safety-grid > div {
    min-height: 0;
    padding: 20px 0 22px;
  }

  .article-callout__grid > div + div,
  .receptor-grid > div + div,
  .threshold-grid > div + div,
  .safety-grid > div + div {
    padding-left: 0;
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .article-section {
    padding-block: 62px;
  }

  .study-facts {
    grid-template-columns: 1fr;
  }

  .study-facts > div:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }

  .article-conclusion {
    padding: 30px 24px 34px;
  }
}

@media (max-width: 380px) {
  .header-inner {
    gap: 8px;
  }

  .brand-wordmark-image {
    width: 130px;
  }

  .header-actions {
    gap: 8px;
  }

  .language-menu summary {
    min-width: 54px;
    padding-inline: 9px;
  }

  .mobile-nav summary {
    min-width: 52px;
    padding-inline: 8px;
  }
}

@media (max-width: 350px) {
  body[data-page="landing"] .hero h1 {
    font-size: clamp(44px, 13.5vw, 50px);
  }

  .product-meta strong {
    font-size: 11px;
    letter-spacing: -0.01em;
  }
}

@keyframes metavique-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes metavique-product-enter {
  from {
    opacity: 0;
    transform: scale(0.985);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > .eyebrow,
  .hero-copy > h1,
  .hero-copy > .hero-positioning,
  .hero-copy > .hero-lede,
  .hero-copy > .hero-actions,
  .offer-hero-copy > .eyebrow,
  .offer-hero-copy > h1,
  .offer-hero-copy > .hero-lede,
  .offer-hero-copy > .hero-actions {
    animation: metavique-rise var(--motion-reveal) var(--ease-out) both;
  }

  .hero-copy > h1,
  .offer-hero-copy > h1 {
    animation-delay: 55ms;
  }

  .hero-copy > .hero-positioning {
    animation-delay: 110ms;
  }

  .hero-copy > .hero-lede,
  .offer-hero-copy > .hero-lede {
    animation-delay: 155ms;
  }

  .hero-copy > .hero-actions,
  .offer-hero-copy > .hero-actions {
    animation-delay: 200ms;
  }

  .hero-product,
  .offer-product {
    animation: metavique-product-enter 860ms var(--ease-out) 120ms both;
    transform-origin: center;
  }

  html.motion-ready [data-motion="reveal"] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity var(--motion-reveal) var(--ease-out), transform var(--motion-reveal) var(--ease-out), background-color var(--motion-ui) var(--ease-out);
    transition-delay: var(--motion-delay, 0ms);
  }

  html.motion-ready [data-motion="reveal"].is-revealed {
    opacity: 1;
    transform: translateY(0);
  }

  html.motion-ready [data-motion="photo"] img {
    opacity: 0;
    transform: scale(1.015);
    transform-origin: center;
    transition: opacity 820ms var(--ease-out), transform 960ms var(--ease-out);
    transition-delay: var(--motion-delay, 0ms);
  }

  html.motion-ready [data-motion="photo"].is-revealed img {
    opacity: 1;
    transform: scale(1);
  }

  .button:active:not(:focus-visible) {
    transform: scale(0.975);
    transition-duration: 90ms;
  }

  .language-menu summary:active:not(:focus-visible),
  .language-menu__panel button:active:not(:focus-visible),
  .mobile-nav summary:active:not(:focus-visible),
  body[data-page="landing"] .research-console__tabs button:active:not(:focus-visible) {
    transform: scale(0.98);
  }
}

@media (hover: hover) and (pointer: fine) {
  .button:hover {
    transform: translateY(-1px);
  }

  .field-item,
  .process-grid li,
  .expertise-strip article {
    transition: background-color var(--motion-ui) var(--ease-out);
  }

  .field-item:hover,
  .process-grid li:hover {
    background: color-mix(in srgb, var(--accent-soft) 58%, transparent);
  }

  .expertise-strip article:hover {
    background: rgba(223, 232, 228, 0.045);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}