:root {
  --font-geist: Arial, Helvetica, sans-serif;
  --ink: #050708;
  --ink-soft: #0b0f0f;
  --panel: #101514;
  --panel-2: #151b19;
  --line: #27302c;
  --line-soft: rgba(228, 235, 226, 0.12);
  --paper: #f3f4ec;
  --paper-muted: #b6beb7;
  --lime: #abd600;
  --lime-bright: #c6f221;
  --lime-ink: #111800;
  --coral: #ff7557;
  --coral-soft: #ff9c74;
  --max: 1180px;
  --reading: 760px;
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-geist), Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--lime);
  color: var(--lime-ink);
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--lime);
  color: var(--lime-ink);
  font-size: 0.82rem;
  font-weight: 850;
  transform: translateY(calc(-100% - 20px));
  transition: transform 160ms ease;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.site-shell {
  min-height: 100vh;
  overflow: clip;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(243, 244, 236, 0.09);
  background: rgba(5, 7, 8, 0.84);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(calc(100% - 32px), var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 0.86rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.brand-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font: inherit;
}

.brand-copy small {
  display: none;
  color: #929b94;
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.15;
  white-space: nowrap;
}

.desktop-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 28px;
  color: #ccd2cc;
  font-size: 0.84rem;
  font-weight: 650;
}

.desktop-nav a,
.language-link {
  transition: color 160ms ease;
}

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"],
.language-link:hover {
  color: var(--lime-bright);
}

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

.language-link {
  min-width: 39px;
  min-height: 39px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
}

.header-download {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--lime-ink);
  font-size: 0.8rem;
  font-weight: 850;
  transition: transform 160ms ease, background 160ms ease, opacity 180ms ease,
    visibility 180ms linear;
}

.header-download-icon {
  display: none;
}

.header-download:hover,
.button-primary:hover {
  background: var(--lime-bright);
  transform: translateY(-2px);
}

.landing-hero {
  position: relative;
  min-height: 790px;
  display: flex;
  align-items: center;
  padding: 92px 0 78px;
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(135deg, rgba(171, 214, 0, 0.035), transparent 34%),
    radial-gradient(circle at 82% 28%, rgba(171, 214, 0, 0.08), transparent 28%),
    var(--ink);
}

.hero-glow {
  position: absolute;
  right: -220px;
  top: 30px;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  border: 1px solid rgba(171, 214, 0, 0.08);
  box-shadow: 0 0 180px rgba(171, 214, 0, 0.06) inset;
  pointer-events: none;
}

.hero-inner,
.problem-section,
.decision-strip,
.use-cases-section,
.system-section,
.fit-section,
.objections-section,
.editorial-preview,
.closing-cta,
.content-wrap,
.footer-inner {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr);
  align-items: center;
  gap: 48px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

@keyframes hero-copy-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes product-screen-enter {
  from {
    opacity: 0;
    translate: 0 18px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

.hero-copy > * {
  animation: hero-copy-enter 520ms cubic-bezier(0.2, 0.75, 0.3, 1) both;
}

.hero-copy > :nth-child(2) {
  animation-delay: 70ms;
}

.hero-copy > :nth-child(3) {
  animation-delay: 130ms;
}

.hero-copy > :nth-child(4) {
  animation-delay: 190ms;
}

.hero-copy > :nth-child(5) {
  animation-delay: 250ms;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--lime-bright);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero-copy h1,
.hub-hero h1,
.article-hero h1 {
  margin: 0;
  font-weight: 850;
  letter-spacing: -0.058em;
  text-wrap: balance;
}

.hero-copy h1 {
  max-width: 760px;
  font-size: clamp(3.45rem, 5.2vw, 5.6rem);
  line-height: 0.92;
}

.hero-lead {
  max-width: 680px;
  margin: 28px 0 0;
  color: #c4cbc4;
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
  line-height: 1.6;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.app-store-proof {
  margin: 14px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  color: #b8c0b9;
  font-size: 0.78rem;
  font-weight: 700;
}

.app-store-proof strong {
  color: var(--paper);
}

.app-store-proof span:last-child {
  margin-left: 3px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  color: var(--lime-bright);
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 23px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 820;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button-primary {
  background: var(--lime);
  color: var(--lime-ink);
  box-shadow: 0 14px 40px rgba(171, 214, 0, 0.12);
}

.button-secondary {
  border-color: #3d4742;
  background: rgba(255, 255, 255, 0.02);
  color: var(--paper);
}

.button-secondary:hover {
  border-color: var(--paper-muted);
  transform: translateY(-2px);
}

.hero-proof-note {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  color: #9ea79f;
  font-size: 0.76rem;
}

.entity-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #b9c0ba;
  font-size: 0.72rem;
  font-weight: 650;
}

.hero-proof-note a {
  color: var(--lime-bright);
  font-weight: 760;
}

.hero-product {
  position: relative;
  min-height: 590px;
  display: grid;
  place-items: center;
}

.product-orbit {
  position: absolute;
  inset: 10% 5%;
  border: 1px solid rgba(171, 214, 0, 0.16);
  border-radius: 50%;
  transform: rotate(-16deg);
}

.product-orbit::before,
.product-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.product-orbit::before {
  width: 12px;
  height: 12px;
  top: 25%;
  left: -5px;
  background: var(--coral);
  box-shadow: 0 0 28px rgba(255, 117, 87, 0.55);
}

.product-orbit::after {
  width: 8px;
  height: 8px;
  right: 7%;
  bottom: 12%;
  background: var(--lime);
  box-shadow: 0 0 28px rgba(171, 214, 0, 0.5);
}

.screen-gallery {
  position: relative;
  width: 100%;
  min-height: 560px;
}

.screen-card {
  position: absolute;
  width: min(42%, 228px);
  margin: 0;
  overflow: hidden;
  border: 5px solid #222a26;
  border-radius: 34px;
  background: #101412;
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.08);
  animation: product-screen-enter 560ms cubic-bezier(0.2, 0.75, 0.3, 1) both;
}

.screen-card img {
  width: 100%;
  height: auto;
}

.screen-1 {
  z-index: 3;
  left: 30%;
  top: 2%;
  transform: rotate(-1.8deg);
  animation-delay: 180ms;
}

.screen-2 {
  z-index: 2;
  left: 3%;
  top: 17%;
  transform: rotate(-8deg) scale(0.92);
  filter: brightness(0.78);
  animation-delay: 270ms;
}

.screen-3 {
  z-index: 1;
  right: 0;
  top: 17%;
  transform: rotate(8deg) scale(0.92);
  filter: brightness(0.78);
  animation-delay: 350ms;
}

.problem-section,
.decision-strip,
.use-cases-section,
.fit-section,
.objections-section,
.system-section,
.editorial-preview {
  padding-block: 104px;
}

.problem-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 80px;
  border-bottom: 1px solid var(--line-soft);
}

.problem-copy h2,
.use-cases-section h2,
.fit-section h2,
.objections-section h2,
.methodology-references h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.1rem);
  font-weight: 820;
  letter-spacing: -0.05em;
  line-height: 1.02;
  text-wrap: balance;
}

.problem-detail {
  max-width: 650px;
  color: var(--paper-muted);
  font-size: 1.05rem;
}

.problem-detail p {
  margin: 0;
}

.problem-detail p + p {
  margin-top: 20px;
}

.section-heading {
  max-width: 840px;
  margin-bottom: 44px;
}

.section-heading h2,
.system-panel h2,
.closing-cta h2,
.hub-principles h2,
.prose-block h2,
.authored-list > h2,
.methodology-limits h2,
.editorial-standard h2,
.sources h2,
.best-for h2,
.comparison-table-section h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.1rem);
  font-weight: 820;
  letter-spacing: -0.05em;
  line-height: 1.02;
  text-wrap: balance;
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.decision-card {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
}

.decision-card > span,
.method-grid article > span,
.principle-list span {
  color: var(--coral-soft);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.11em;
}

.decision-card h3 {
  margin: 70px 0 8px;
  font-size: 1.5rem;
  letter-spacing: -0.035em;
}

.decision-card p,
.system-point p,
.article-card p,
.method-grid p {
  margin: 0;
  color: var(--paper-muted);
}

.use-cases-section {
  border-top: 1px solid var(--line-soft);
}

.use-case-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.use-case-list article {
  min-width: 0;
  padding: 28px 28px 34px 0;
  border-bottom: 1px solid var(--line);
}

.use-case-list article:nth-child(odd) {
  padding-right: 44px;
  border-right: 1px solid var(--line);
}

.use-case-list article:nth-child(even) {
  padding-left: 44px;
}

.use-case-list span {
  color: var(--coral-soft);
  font-size: 0.72rem;
  font-weight: 820;
}

.use-case-list h3 {
  margin: 32px 0 8px;
  font-size: 1.35rem;
  letter-spacing: -0.035em;
}

.use-case-list p {
  max-width: 500px;
  margin: 0;
  color: var(--paper-muted);
}

.system-section {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100% - var(--max)) / 2));
  background: var(--paper);
  color: #111513;
}

.system-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
}

.system-panel .eyebrow {
  color: #587000;
}

.system-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.system-point {
  min-height: 184px;
  padding: 24px;
  border: 1px solid #d3d7ce;
  border-radius: 18px;
  background: #fafbf5;
}

.system-point:nth-child(2) {
  border-top: 4px solid var(--coral);
}

.system-point:nth-child(3) {
  border-top: 4px solid var(--lime);
}

.system-point h3 {
  margin: 38px 0 8px;
  font-size: 1.15rem;
  letter-spacing: -0.025em;
}

.system-point p {
  color: #5a635d;
  font-size: 0.92rem;
}

.fit-section {
  display: grid;
  grid-template-columns: 1fr;
}

.fit-section article {
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.fit-section .fit-conversion {
  border-top: 4px solid var(--lime);
  background:
    radial-gradient(circle at 88% 14%, rgba(190, 255, 0, 0.12), transparent 30%),
    linear-gradient(135deg, rgba(17, 26, 21, 0.98), rgba(10, 15, 13, 0.98));
}

.fit-section h2 {
  max-width: 980px;
  font-size: clamp(2rem, 3.3vw, 3.3rem);
}

.fit-lead {
  max-width: 930px;
  margin-top: 24px;
  color: #d8ded9;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.7;
}

.fit-conversion-grid {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.fit-conversion-grid > div {
  min-height: 150px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fit-conversion-grid h3 {
  margin: 0 0 10px;
  color: var(--lime-bright);
  font-size: 1rem;
}

.fit-conversion-grid p {
  color: var(--paper-muted);
  font-size: 0.92rem;
}

.fit-conversion-action {
  margin-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.fit-conversion-action p {
  max-width: 580px;
  color: #f5f7f3;
  font-weight: 680;
}

.objections-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: 70px;
  border-top: 1px solid var(--line-soft);
}

.objections-section .section-heading {
  margin: 0;
}

.objection-list {
  border-top: 1px solid var(--line);
}

.objection-list details {
  border-bottom: 1px solid var(--line);
}

.objection-list summary {
  padding: 22px 44px 22px 0;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 760;
}

.objection-list p {
  max-width: 680px;
  margin: -4px 0 24px;
  color: var(--paper-muted);
}

.objections-section > .text-link {
  grid-column: 2;
  justify-self: start;
}

.split-heading {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.split-heading > div {
  max-width: 790px;
}

.split-heading > a,
.text-link {
  color: var(--lime-bright);
  font-size: 0.88rem;
  font-weight: 750;
}

.split-heading > a,
.text-link,
.hero-proof-note a,
.methodology-references a {
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0 1px;
  transition: background-size 180ms ease, color 180ms ease;
}

.split-heading > a:hover,
.split-heading > a:focus-visible,
.text-link:hover,
.text-link:focus-visible,
.hero-proof-note a:hover,
.hero-proof-note a:focus-visible,
.methodology-references a:hover,
.methodology-references a:focus-visible {
  background-size: 100% 1px;
}

.article-card-grid,
.hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.article-card {
  min-width: 0;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  transition: transform 180ms ease, border-color 180ms ease;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: #536057;
}

.article-card-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--coral-soft);
  font-size: 0.68rem;
  font-weight: 780;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.article-card h2 {
  margin: 48px 0 14px;
  font-size: 1.42rem;
  line-height: 1.13;
  letter-spacing: -0.038em;
}

.article-card h2 a:hover {
  color: var(--lime-bright);
}

.article-card p {
  display: -webkit-box;
  overflow: hidden;
  font-size: 0.9rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.article-card .text-link {
  display: inline-block;
  margin-top: 24px;
}

.closing-cta {
  margin-block: 24px 112px;
  padding: 30px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  border: 1px solid #42503f;
  border-radius: 28px;
  background:
    radial-gradient(circle at 75% 0, rgba(171, 214, 0, 0.12), transparent 36%),
    var(--panel);
}

.closing-cta img {
  border-radius: 22px;
}

.closing-cta h2 {
  max-width: 670px;
  font-size: clamp(1.6rem, 3vw, 2.8rem);
}

.content-main {
  min-height: 70vh;
  padding: 32px 0 110px;
  background:
    radial-gradient(circle at 78% 6%, rgba(171, 214, 0, 0.045), transparent 25%),
    var(--ink);
}

.content-wrap {
  min-width: 0;
}

.narrow-wrap {
  max-width: 920px;
}

.breadcrumbs {
  padding: 20px 0 24px;
  overflow: hidden;
}

.breadcrumbs ol {
  margin: 0;
  padding: 0;
  display: flex;
  list-style: none;
  gap: 8px;
  color: #8f9992;
  font-size: 0.73rem;
  white-space: nowrap;
}

.breadcrumbs li {
  max-width: 44vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: #4b554f;
}

.breadcrumbs a:hover {
  color: var(--lime-bright);
}

.hub-hero {
  max-width: 940px;
  padding: 74px 0 72px;
}

.hub-hero h1 {
  font-size: clamp(3.2rem, 7.5vw, 7rem);
  line-height: 0.92;
}

.hub-hero > p:last-child {
  max-width: 750px;
  margin: 28px 0 0;
  color: var(--paper-muted);
  font-size: 1.08rem;
}

.hub-grid {
  padding-bottom: 80px;
}

.hub-grid .article-card {
  min-height: 390px;
}

.blog-reading-guide {
  padding: 72px 0;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  border-top: 1px solid var(--line);
}

.blog-reading-guide h2 {
  margin-top: 12px;
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.blog-reading-guide > div:last-child {
  display: grid;
  gap: 18px;
  color: var(--paper-muted);
}

.blog-grid {
  padding-top: 24px;
}

.hub-principles {
  padding: 70px 0 20px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 80px;
  border-top: 1px solid var(--line);
}

.principle-list {
  border-top: 1px solid var(--line);
}

.principle-list > div {
  padding: 20px 0;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.principle-list p {
  margin: 0;
  color: #cbd2cc;
  font-weight: 620;
}

.author-hero {
  padding: 70px 0;
  display: grid;
  grid-template-columns: 152px 1fr;
  align-items: center;
  gap: 34px;
  border-bottom: 1px solid var(--line);
}

.author-monogram {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid #536242;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 28%, #26331e, #0b0e0d 70%);
  color: var(--lime-bright);
  font-size: 2.2rem;
  font-weight: 850;
  letter-spacing: -0.08em;
}

.author-hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 6.2rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.author-role {
  margin: 16px 0 0;
  color: #c6cdc7;
  font-size: 1rem;
}

.prose-block {
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

.prose-block h2,
.authored-list > h2,
.methodology-limits h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.prose-block p {
  max-width: 760px;
  margin: 22px 0 0;
  color: #c2cac3;
  font-size: 1.02rem;
}

.authored-list {
  padding: 72px 0 20px;
}

.compact-link-list {
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.compact-link-list a {
  min-height: 84px;
  display: grid;
  grid-template-columns: 105px 1fr auto;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  transition: color 160ms ease, padding 160ms ease;
}

.compact-link-list a:hover {
  padding-left: 8px;
  color: var(--lime-bright);
}

.compact-link-list span {
  color: var(--coral-soft);
  font-size: 0.69rem;
  font-weight: 800;
  text-transform: uppercase;
}

.compact-link-list strong {
  font-size: 0.98rem;
}

.compact-link-list i,
.related-grid i,
.sources i {
  font-style: normal;
}

.methodology-hero {
  padding-bottom: 55px;
}

.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.method-grid article {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}

.method-grid h2 {
  margin: 70px 0 10px;
  font-size: 1.32rem;
  letter-spacing: -0.03em;
}

.methodology-limits {
  margin-top: 70px;
  border-top: 1px solid var(--line);
}

.methodology-limits .button {
  margin-top: 30px;
}

.methodology-references {
  padding: 72px 0 12px;
}

.methodology-references > p:not(.eyebrow) {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--paper-muted);
}

.methodology-references ul {
  margin: 38px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.methodology-references li {
  border-bottom: 1px solid var(--line);
}

.methodology-references a {
  min-height: 64px;
  display: inline-flex;
  align-items: center;
  color: #d8ddd8;
  font-weight: 680;
}

.article-wrap {
  width: min(calc(100% - 40px), 1060px);
  margin-inline: auto;
}

.editorial-article .breadcrumbs {
  margin-bottom: 10px;
}

.comparison-disclosure {
  margin: 8px 0 52px;
  padding: 18px 20px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  border: 1px solid rgba(255, 117, 87, 0.42);
  border-radius: 16px;
  background: rgba(255, 117, 87, 0.055);
  color: #d9ded9;
  font-size: 0.82rem;
}

.comparison-disclosure strong {
  color: var(--coral-soft);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.comparison-disclosure p {
  margin: 0;
}

.comparison-disclosure a {
  color: var(--coral-soft);
  font-weight: 750;
  white-space: nowrap;
}

.article-hero {
  max-width: 920px;
  padding: 28px 0 64px;
}

.article-visual {
  display: block;
  margin: 0 0 56px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
}

.article-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.article-kicker-row,
.article-meta,
.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.article-kicker-row {
  margin-bottom: 23px;
  color: var(--coral-soft);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-hero h1 {
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.94;
}

.article-promise {
  max-width: 800px;
  margin: 28px 0 0;
  color: #c4cbc5;
  font-size: 1.12rem;
  line-height: 1.65;
}

.article-meta {
  justify-content: flex-start;
  margin-top: 28px;
  color: #8f9992;
  font-size: 0.76rem;
}

.article-meta > *:not(:last-child)::after {
  content: "•";
  margin-left: 20px;
  color: #4f5a53;
}

.article-meta a:hover {
  color: var(--lime-bright);
}

.entity-list {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.entity-list span {
  padding: 6px 9px;
}

.answer-first {
  position: relative;
  margin: 0 0 20px;
  padding: 38px 42px 40px;
  overflow: hidden;
  border: 1px solid #405039;
  border-radius: 24px;
  background:
    radial-gradient(circle at 100% 0, rgba(171, 214, 0, 0.11), transparent 35%),
    var(--panel);
}

.answer-first::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 7px;
  height: 100%;
  background: var(--lime);
}

.answer-first h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.answer-first > p:last-child {
  max-width: 850px;
  margin: 22px 0 0;
  color: #d3d9d3;
  font-size: 1.04rem;
}

.query-context {
  margin: 0 0 78px;
  padding: 16px 20px;
  border-left: 2px solid var(--coral);
  color: var(--paper-muted);
  font-size: 0.82rem;
}

.query-context strong {
  display: block;
  margin-bottom: 3px;
  color: var(--paper);
}

.query-context p {
  margin: 0;
}

.article-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: start;
  gap: 70px;
}

.toc {
  position: sticky;
  top: 105px;
  padding-top: 8px;
}

.toc > p {
  margin: 0 0 16px;
  color: var(--paper);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc li {
  padding: 9px 0;
  border-top: 1px solid var(--line);
  color: #909a93;
  font-size: 0.75rem;
  line-height: 1.35;
}

.toc a:hover {
  color: var(--lime-bright);
}

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

.article-body > section {
  padding: 0 0 62px;
  scroll-margin-top: 110px;
}

.article-body > section + section {
  padding-top: 62px;
  border-top: 1px solid var(--line);
}

.section-number {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--coral-soft);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.article-body > section > h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(1.8rem, 4.4vw, 3.25rem);
  line-height: 1.03;
  letter-spacing: -0.048em;
  text-wrap: balance;
}

.article-body > section > p {
  max-width: var(--reading);
  margin: 24px 0 0;
  color: #c6cdc7;
  font-size: 1.015rem;
  line-height: 1.78;
}

.comparison-table-section {
  margin-top: 48px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}

.comparison-table-section .eyebrow,
.sources .eyebrow {
  margin-bottom: 10px;
}

.comparison-table-section h2,
.sources h2,
.best-for h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
}

.section-title-row > span {
  color: #8e9991;
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
}

.table-scroll {
  width: 100%;
  margin-top: 28px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  -webkit-overflow-scrolling: touch;
}

.table-scroll:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.78rem;
}

th,
td {
  padding: 15px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

thead th {
  background: #1a211e;
  color: var(--lime-bright);
  font-size: 0.65rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

tbody th {
  color: var(--paper);
  font-weight: 760;
}

tbody td {
  color: #b7c0b9;
}

tbody tr:last-child > * {
  border-bottom: 0;
}

.table-note {
  margin: 16px 0 0 !important;
  color: #8f9992 !important;
  font-size: 0.75rem !important;
  line-height: 1.5 !important;
}

.best-for {
  margin-top: 10px;
  padding: 38px !important;
  border: 1px solid #3e4e38 !important;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(171, 214, 0, 0.07), rgba(255, 255, 255, 0.015));
}

.best-for-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.best-for-grid article {
  padding: 20px;
  border: 1px solid #354133;
  border-radius: 15px;
  background: rgba(5, 7, 8, 0.34);
}

.best-for-grid h3 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.best-for-grid p {
  margin: 10px 0 0;
  color: #aeb7b0;
  font-size: 0.8rem;
  line-height: 1.55;
}

.editorial-standard,
.article-cta {
  margin-top: 80px;
  padding: 30px;
  display: grid;
  align-items: center;
  border-radius: 22px;
}

.editorial-standard {
  grid-template-columns: auto 1fr;
  gap: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.standard-mark {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--lime-ink);
  font-size: 1.45rem;
  font-weight: 900;
}

.editorial-standard h2 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
}

.editorial-standard p:last-child {
  max-width: 780px;
  margin: 12px 0 0;
  color: var(--paper-muted);
}

.sources {
  margin-top: 32px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #090c0b;
}

.sources ol {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.sources li {
  border-bottom: 1px solid var(--line);
}

.sources a {
  min-height: 68px;
  padding: 12px 2px;
  display: grid;
  grid-template-columns: minmax(180px, 0.85fr) 1.15fr auto;
  align-items: center;
  gap: 20px;
}

.sources a:hover strong,
.sources a:hover i {
  color: var(--lime-bright);
}

.sources strong {
  font-size: 0.83rem;
}

.sources span {
  color: #8e9891;
  font-size: 0.76rem;
}

.guide-disclosure {
  margin: 28px 0 0;
  color: #909a93;
  font-size: 0.76rem;
}

.related-content {
  margin-top: 80px;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.related-grid a {
  min-height: 96px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  font-size: 0.9rem;
  font-weight: 680;
  transition: border-color 160ms ease, transform 160ms ease;
}

.related-grid a:hover {
  border-color: var(--lime);
  transform: translateY(-2px);
}

.related-grid i {
  color: var(--lime-bright);
}

.article-cta {
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  border: 1px solid #46563e;
  background: radial-gradient(circle at 80% 0, rgba(171, 214, 0, 0.1), transparent 40%), var(--panel);
}

.article-cta img {
  border-radius: 18px;
}

.article-cta h2 {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: -0.035em;
}

.article-cta p {
  margin: 4px 0 0;
  color: var(--paper-muted);
  font-size: 0.82rem;
}

/* Native product story pages */
.product-main {
  overflow: clip;
  background:
    radial-gradient(circle at 84% 6%, rgba(171, 214, 0, 0.075), transparent 24rem),
    var(--ink);
}

.product-story-hero,
.product-answer,
.product-proof,
.product-example,
.product-principles,
.product-journey,
.product-trust,
.science-in-practice,
.science-sources,
.product-cta {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.product-story-hero {
  min-height: 780px;
  padding: 84px 0 96px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(430px, 0.95fr);
  align-items: center;
  gap: 58px;
  border-bottom: 1px solid var(--line-soft);
}

.product-story-copy {
  position: relative;
  z-index: 2;
}

.product-story-copy h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 6.2vw, 6.6rem);
  font-weight: 880;
  letter-spacing: -0.072em;
  line-height: 0.92;
  text-wrap: balance;
}

.science-product-main .product-story-copy h1 {
  font-size: clamp(2.9rem, 5.6vw, 5.8rem);
}

.product-story-lead {
  max-width: 700px;
  margin: 30px 0 0;
  color: #eef2e9;
  font-size: clamp(1.12rem, 1.8vw, 1.35rem);
  line-height: 1.58;
  letter-spacing: -0.012em;
}

.product-story-copy > p:not(.eyebrow):not(.product-story-lead) {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--paper-muted);
}

.product-story-copy .hero-actions {
  margin-top: 30px;
}

.product-byline {
  margin-top: 28px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  border-top: 1px solid var(--line-soft);
  color: #8f9991;
  font-size: 0.75rem;
}

.product-byline a {
  color: #cbd2cc;
  font-weight: 700;
}

.product-story-visual {
  position: relative;
  min-height: 610px;
  display: grid;
  align-items: center;
}

.product-story-visual .product-orbit {
  inset: 7% 0 5%;
}

.product-story-visual .screen-gallery {
  z-index: 1;
}

.science-story-visual::before,
.science-story-visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.science-story-visual::before {
  width: 430px;
  height: 430px;
  right: -80px;
  top: 50px;
  border: 1px solid rgba(171, 214, 0, 0.18);
  box-shadow: 0 0 110px rgba(171, 214, 0, 0.08) inset;
}

.science-story-visual::after {
  width: 220px;
  height: 220px;
  left: 12%;
  bottom: 6%;
  border: 1px solid rgba(255, 117, 87, 0.2);
}

.science-signal {
  position: absolute;
  z-index: 4;
  right: -12px;
  top: 8%;
  width: 104px;
  height: 104px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(198, 242, 33, 0.42);
  border-radius: 50%;
  background: rgba(8, 12, 10, 0.86);
  color: var(--lime-bright);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

.product-answer {
  position: relative;
  z-index: 5;
  margin-top: -32px;
  padding: 38px 42px;
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: 56px;
  border: 1px solid #3a463c;
  border-top: 4px solid var(--lime);
  border-radius: 22px;
  background: linear-gradient(135deg, #121914, #0d120f);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.28);
}

.product-answer .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -34px;
}

.product-answer h2 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(1.8rem, 3.3vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.product-answer p:last-child {
  margin: 0;
  color: #c0c9c1;
  font-size: 1.02rem;
}

.product-proof,
.product-principles,
.product-journey,
.science-sources {
  padding-block: 112px;
}

.product-section-heading {
  max-width: 860px;
  margin-bottom: 46px;
}

.product-section-heading h2 {
  margin: 0;
  font-size: clamp(2.35rem, 4.8vw, 5rem);
  font-weight: 850;
  letter-spacing: -0.058em;
  line-height: 0.98;
  text-wrap: balance;
}

.product-section-heading > p:last-child {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--paper-muted);
  font-size: 1.02rem;
}

.product-proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.product-proof-grid.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-proof-grid article {
  min-height: 290px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008)),
    var(--panel);
}

.product-proof-grid article:nth-child(2) {
  border-top-color: var(--coral);
}

.product-proof-grid article:last-child {
  border-top-color: var(--lime);
}

.product-proof-grid article > span {
  color: var(--coral-soft);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.product-proof-grid h3 {
  margin: 74px 0 12px;
  font-size: 1.32rem;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.product-proof-grid p {
  margin: 0;
  color: var(--paper-muted);
  font-size: 0.9rem;
}

.product-example,
.science-in-practice {
  width: 100%;
  max-width: none;
  padding: 104px max(20px, calc((100% - var(--max)) / 2));
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(380px, 0.97fr);
  align-items: center;
  gap: 84px;
  background: var(--paper);
  color: #111513;
}

.product-example .eyebrow,
.science-in-practice .eyebrow {
  color: #587000;
}

.product-example h2,
.science-in-practice h2,
.product-trust h2,
.product-cta h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.2vw, 4.35rem);
  font-weight: 850;
  line-height: 0.99;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.product-example-copy > p:not(.eyebrow),
.science-practice-copy > p:not(.eyebrow) {
  max-width: 680px;
  color: #59635c;
}

.set-comparison {
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  border: 1px solid #d2d8ce;
  border-radius: 22px;
  background: #fafbf5;
  box-shadow: 0 24px 60px rgba(22, 32, 25, 0.09);
}

.set-comparison > div {
  min-height: 120px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: 15px;
  background: #eef1e9;
}

.set-comparison span {
  color: #687269;
  font-size: 0.7rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.set-comparison strong {
  margin-top: 9px;
  font-size: 1.05rem;
}

.set-comparison i {
  color: #6f8b00;
  font-style: normal;
  font-size: 1.4rem;
}

.set-comparison > p {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid #dce1d8;
  color: #4f5b53;
  font-size: 0.82rem;
}

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

.product-principle-grid article {
  min-height: 230px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-principle-grid article > span,
.science-principle-index {
  color: var(--coral-soft);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.product-principle-grid h3 {
  margin: 52px 0 10px;
  color: var(--lime-bright);
  font-size: 1.12rem;
  letter-spacing: -0.025em;
}

.product-principle-grid p {
  margin: 0;
  color: var(--paper-muted);
  font-size: 0.88rem;
}

.product-journey {
  border-top: 1px solid var(--line-soft);
}

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

.product-journey li {
  min-height: 156px;
  padding: 26px 0;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.product-journey li > span {
  color: var(--coral-soft);
  font-size: 0.74rem;
  font-weight: 850;
}

.product-journey li > div {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 44px;
  align-items: baseline;
}

.product-journey h3 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.035em;
}

.product-journey p {
  max-width: 660px;
  margin: 0;
  color: var(--paper-muted);
}

.product-trust {
  margin-bottom: 112px;
  padding: 54px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 72px;
  border: 1px solid #3d493e;
  border-top: 4px solid var(--coral);
  border-radius: 24px;
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 117, 87, 0.1), transparent 32%),
    var(--panel);
}

.product-trust h2 {
  font-size: clamp(2rem, 3.5vw, 3.45rem);
}

.product-trust > div:last-child p {
  margin: 0;
  color: #c0c8c1;
}

.product-trust > div:last-child p + p {
  margin-top: 18px;
}

.product-trust .text-link {
  margin-top: 26px;
}

.science-principle-list {
  border-top: 1px solid var(--line);
}

.science-principle-list > article {
  padding: 42px 0;
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 10px;
  border-bottom: 1px solid var(--line);
}

.science-principle-list h3 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.65rem);
  letter-spacing: -0.045em;
}

.science-principle-list article > div:last-child > p {
  max-width: 840px;
  margin: 16px 0 0;
  color: var(--paper-muted);
}

.science-principle-list dl {
  margin: 28px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.science-principle-list dl > div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.018);
}

.science-principle-list dt {
  color: var(--lime-bright);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.science-principle-list dd {
  margin: 8px 0 0;
  color: #b0b9b2;
  font-size: 0.84rem;
}

.science-practice-visual {
  position: relative;
  min-height: 570px;
}

.science-practice-visual .screen-gallery {
  min-height: 570px;
}

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

.science-sources li {
  border-bottom: 1px solid var(--line);
}

.science-sources a {
  min-height: 94px;
  padding: 18px 4px;
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr) auto;
  align-items: center;
  gap: 28px;
}

.science-sources strong {
  font-size: 0.9rem;
}

.science-sources span {
  color: #929d95;
  font-size: 0.8rem;
}

.science-sources i {
  color: var(--lime-bright);
  font-style: normal;
}

.science-sources a:hover strong {
  color: var(--lime-bright);
}

.product-cta {
  margin-bottom: 112px;
  padding: 38px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  border: 1px solid #46563e;
  border-radius: 24px;
  background:
    radial-gradient(circle at 88% 0, rgba(171, 214, 0, 0.13), transparent 42%),
    var(--panel);
}

.product-cta img {
  border-radius: 19px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.product-cta h2 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
}

.product-cta p:not(.eyebrow) {
  max-width: 650px;
  margin: 10px 0 0;
  color: var(--paper-muted);
  font-size: 0.86rem;
}

.product-cta > div:last-child {
  min-width: 190px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #030505;
}

.footer-inner {
  min-height: 260px;
  padding-block: 54px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 44px;
}

.wordmark {
  font-size: 1.12rem;
  font-weight: 880;
  letter-spacing: 0.13em;
}

.footer-brand p {
  max-width: 390px;
  margin: 14px 0 0;
  color: #848f87;
  font-size: 0.84rem;
}

.footer-inner nav {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 8px 30px;
  color: #b6beb7;
  font-size: 0.78rem;
}

.footer-inner nav a:hover {
  color: var(--lime-bright);
}

.footer-note {
  grid-column: 1 / -1;
  align-self: end;
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid #161c19;
  color: #69736c;
  font-size: 0.7rem;
}

@media (max-width: 980px) {
  .desktop-nav {
    grid-area: nav;
    justify-self: stretch;
    min-width: 0;
    overflow-x: auto;
    padding: 0 0 6px;
    gap: 22px;
    scrollbar-width: none;
  }

  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand actions"
      "nav nav";
    gap: 4px 20px;
    padding-top: 6px;
  }

  .brand {
    grid-area: brand;
    min-width: 0;
  }

  .header-actions {
    grid-area: actions;
  }

  .desktop-nav::-webkit-scrollbar {
    display: none;
  }

  .desktop-nav a {
    flex: 0 0 auto;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero-product {
    min-height: 560px;
  }

  .screen-gallery {
    max-width: 610px;
    margin: 0 auto;
  }

  .decision-grid,
  .article-card-grid,
  .hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .problem-section,
  .objections-section,
  .system-panel,
  .hub-principles,
  .blog-reading-guide {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .objections-section > .text-link {
    grid-column: 1;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .toc {
    position: static;
    margin-bottom: 56px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--panel);
  }

  .toc ol {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 24px;
  }

  .article-cta,
  .closing-cta {
    grid-template-columns: auto 1fr;
  }

  .article-cta .button,
  .closing-cta .button {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .comparison-disclosure {
    grid-template-columns: auto 1fr;
  }

  .comparison-disclosure a {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .header-inner {
    position: relative;
    width: min(calc(100% - 16px), var(--max));
    min-height: 51px;
    display: flex;
    justify-content: center;
    gap: 0;
    padding: 0;
  }

  .desktop-nav {
    width: max-content;
    max-width: calc(100% - 84px);
    display: flex;
    justify-self: center;
    overflow: visible;
    padding: 0;
    gap: clamp(8px, 2.7vw, 14px);
    font-size: clamp(0.66rem, 2.7vw, 0.74rem);
    line-height: 1;
  }

  .desktop-nav a {
    min-height: 44px;
  }

  .brand {
    display: none;
  }

  .header-actions {
    display: contents;
  }

  .language-link {
    position: absolute;
    top: 50%;
    right: 0;
    width: 34px;
    height: 34px;
    min-width: 34px;
    min-height: 34px;
    display: grid;
    padding: 0;
    font-size: 0.67rem;
    transform: translateY(-50%);
  }

  .header-download {
    position: absolute;
    top: 50%;
    left: 0;
    width: 34px;
    height: 34px;
    min-width: 34px;
    min-height: 34px;
    display: grid;
    place-items: center;
    padding: 0;
    transform: translateY(-50%);
    transition: opacity 180ms ease, visibility 180ms linear, background 160ms ease;
  }

  .header-download:hover {
    transform: translateY(-50%);
  }

  .header-download-icon {
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
  }

  .header-download-icon svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .header-download-label {
    display: none;
  }

  .hero-inner,
  .problem-section,
  .decision-strip,
  .use-cases-section,
  .fit-section,
  .objections-section,
  .editorial-preview,
  .closing-cta,
  .content-wrap,
  .footer-inner,
  .article-wrap {
    width: min(calc(100% - 28px), var(--max));
  }

  .landing-hero {
    min-height: auto;
    padding: 42px 0 48px;
  }

  .hero-copy h1 {
    font-size: clamp(3.1rem, 15vw, 5rem);
  }

  .hero-lead {
    margin-top: 22px;
    font-size: 0.98rem;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
    padding-inline: 17px;
  }

  .hero-proof {
    margin-top: 22px;
  }

  .hero-product {
    min-height: 425px;
  }

  .screen-gallery {
    min-height: 410px;
  }

  .screen-card {
    width: min(47%, 180px);
    border-width: 4px;
    border-radius: 27px;
  }

  .screen-1 {
    left: 27%;
  }

  .screen-2 {
    left: -2%;
  }

  .screen-3 {
    right: -2%;
  }

  .problem-section,
  .decision-strip,
  .use-cases-section,
  .fit-section,
  .objections-section,
  .system-section,
  .editorial-preview {
    padding-block: 72px;
  }

  .system-section {
    padding-inline: 14px;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .decision-grid,
  .use-case-list,
    .fit-section,
    .fit-conversion-grid,
    .article-card-grid,
  .hub-grid,
  .system-points,
  .method-grid,
  .best-for-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .use-case-list article,
  .use-case-list article:nth-child(odd),
  .use-case-list article:nth-child(even) {
    padding: 26px 0 30px;
    border-right: 0;
  }

  .fit-section article {
    padding: 26px;
  }

  .fit-conversion-action {
    align-items: stretch;
    flex-direction: column;
  }

  .decision-card {
    min-height: 220px;
  }

  .decision-card h3 {
    margin-top: 48px;
  }

  .system-panel {
    gap: 34px;
  }

  .system-point {
    min-height: 160px;
  }

  .system-point h3 {
    margin-top: 24px;
  }

  .split-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-card {
    min-height: 320px;
  }

  .closing-cta,
  .article-cta {
    padding: 22px;
    grid-template-columns: 1fr;
  }

  .closing-cta img,
  .article-cta img {
    width: 64px;
    height: 64px;
  }

  .content-main {
    padding-top: 18px;
  }

  .hub-hero {
    padding: 52px 0;
  }

  .hub-hero h1,
  .article-hero h1 {
    font-size: clamp(2.9rem, 14vw, 4.8rem);
  }

  .hub-grid .article-card {
    min-height: 320px;
  }

  .hub-principles {
    padding-top: 54px;
  }

  .author-hero {
    padding: 48px 0;
    grid-template-columns: 82px 1fr;
    gap: 18px;
  }

  .author-role {
    font-size: 0.8rem;
  }

  .compact-link-list a {
    padding: 16px 0;
    grid-template-columns: 1fr auto;
  }

  .compact-link-list span {
    grid-column: 1 / -1;
  }

  .comparison-disclosure {
    margin-bottom: 36px;
    padding: 16px;
    grid-template-columns: 1fr;
  }

  .comparison-disclosure a {
    grid-column: 1;
  }

  .article-hero {
    padding-bottom: 48px;
  }

  .article-kicker-row,
  .article-meta,
  .section-title-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .article-meta > *:not(:last-child)::after {
    display: none;
  }

  .answer-first {
    margin-bottom: 54px;
    padding: 28px 24px 30px 30px;
  }

  .query-context {
    margin-bottom: 54px;
  }

  .toc {
    margin-bottom: 42px;
    padding: 20px;
  }

  .toc ol {
    grid-template-columns: 1fr;
  }

  .article-body > section {
    padding-bottom: 48px;
  }

  .article-body > section + section {
    padding-top: 48px;
  }

  .article-body > section > p {
    font-size: 0.98rem;
    line-height: 1.72;
  }

  .comparison-table-section,
  .best-for,
  .sources {
    margin-inline: -4px;
    padding: 24px !important;
  }

  .sources a {
    padding: 16px 0;
    grid-template-columns: 1fr auto;
    gap: 7px 15px;
  }

  .sources span {
    grid-column: 1;
  }

  .sources i {
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .editorial-standard {
    margin-top: 60px;
    padding: 24px;
    grid-template-columns: 1fr;
  }

  .article-cta .button,
  .closing-cta .button {
    justify-self: stretch;
  }

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

  .footer-inner nav {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 980px) {
  .product-story-hero,
  .product-example,
  .science-in-practice,
  .product-trust {
    grid-template-columns: 1fr;
  }

  .product-story-hero {
    padding-top: 70px;
    gap: 30px;
  }

  .product-story-copy {
    max-width: 850px;
  }

  .product-story-visual {
    width: min(100%, 650px);
    margin-inline: auto;
  }

  .product-answer {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-answer .eyebrow {
    margin-bottom: -10px;
  }

  .product-proof-grid,
  .product-proof-grid.four-up,
  .product-principle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-example,
  .science-in-practice {
    gap: 46px;
  }

  .set-comparison {
    max-width: 680px;
  }

  .science-practice-visual {
    width: min(100%, 650px);
    margin-inline: auto;
  }

  .product-trust {
    gap: 32px;
  }

  .product-cta {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .product-cta > div:last-child {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  .product-story-hero,
  .product-answer,
  .product-proof,
  .product-principles,
  .product-journey,
  .product-trust,
  .science-sources,
  .product-cta {
    width: min(calc(100% - 28px), var(--max));
  }

  .product-story-hero {
    min-height: 0;
    padding: 54px 0 70px;
  }

  .product-story-copy h1,
  .science-product-main .product-story-copy h1 {
    font-size: clamp(2.7rem, 13vw, 4.25rem);
    line-height: 0.94;
  }

  .product-story-lead {
    margin-top: 24px;
    font-size: 1.06rem;
  }

  .product-story-copy .hero-actions {
    align-items: stretch;
  }

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

  .product-story-visual,
  .science-practice-visual,
  .science-practice-visual .screen-gallery {
    min-height: 440px;
  }

  .product-story-visual .screen-card,
  .science-practice-visual .screen-card {
    width: min(46%, 190px);
    border-width: 4px;
    border-radius: 26px;
  }

  .science-signal {
    right: 0;
    width: 76px;
    height: 76px;
    font-size: 0.76rem;
  }

  .product-answer {
    margin-top: -14px;
    padding: 28px 24px;
  }

  .product-proof,
  .product-principles,
  .product-journey,
  .science-sources {
    padding-block: 76px;
  }

  .product-section-heading {
    margin-bottom: 34px;
  }

  .product-section-heading h2 {
    font-size: clamp(2.1rem, 10vw, 3.4rem);
  }

  .product-proof-grid,
  .product-proof-grid.four-up,
  .product-principle-grid {
    grid-template-columns: 1fr;
  }

  .product-proof-grid article {
    min-height: 230px;
    padding: 24px;
  }

  .product-proof-grid h3 {
    margin-top: 48px;
  }

  .product-example,
  .science-in-practice {
    padding: 76px 18px;
    grid-template-columns: minmax(0, 1fr);
  }

  .product-example h2,
  .science-in-practice h2,
  .product-trust h2 {
    font-size: clamp(2rem, 10vw, 3.25rem);
  }

  .set-comparison {
    padding: 20px;
    grid-template-columns: 1fr;
  }

  .set-comparison i {
    transform: rotate(90deg);
    justify-self: center;
  }

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

  .product-journey li {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .product-journey li > div {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .product-trust {
    margin-bottom: 76px;
    padding: 30px 24px;
  }

  .science-principle-list > article {
    grid-template-columns: 44px minmax(0, 1fr);
    padding: 32px 0;
  }

  .science-principle-list dl {
    grid-template-columns: 1fr;
  }

  .science-sources a {
    padding: 20px 0;
    grid-template-columns: 1fr auto;
    gap: 8px 14px;
  }

  .science-sources span {
    grid-column: 1;
  }

  .science-sources i {
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .product-cta {
    margin-bottom: 76px;
    padding: 26px;
    grid-template-columns: 1fr;
  }

  .product-cta img {
    width: 62px;
    height: 62px;
  }

  .product-cta > div:last-child {
    grid-column: 1;
    width: 100%;
  }

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

.article-visual figcaption,
.editorial-figure figcaption,
.editorial-video figcaption {
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--paper-muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.media-credit {
  color: #8e9991;
  white-space: nowrap;
}

.article-body .table-scroll,
.article-body .editorial-list,
.article-body .editorial-steps,
.article-body .editorial-callout,
.article-body .editorial-example,
.article-body .editorial-figure,
.article-body .editorial-video {
  max-width: var(--reading);
  margin: 24px 0 0;
}

.editorial-list,
.editorial-steps {
  padding-left: 24px;
  color: #c6cdc7;
  line-height: 1.7;
}

.editorial-list li + li,
.editorial-steps li + li {
  margin-top: 12px;
}

.editorial-steps strong {
  color: var(--paper);
}

.editorial-steps p {
  margin: 5px 0 0;
}

.editorial-callout,
.editorial-example {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.editorial-callout {
  border-left: 4px solid var(--lime);
}

.editorial-example {
  border-color: rgba(255, 117, 87, 0.34);
  background: rgba(255, 117, 87, 0.055);
}

.editorial-callout h3,
.editorial-example h3 {
  margin: 0;
  font-size: 1rem;
}

.editorial-callout p,
.editorial-example p {
  margin: 10px 0 0;
  color: var(--paper-muted);
  line-height: 1.62;
}

.editorial-figure,
.editorial-video {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.editorial-figure img,
.editorial-video-trigger img,
.editorial-video iframe {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.editorial-video-trigger {
  position: relative;
  width: 100%;
  padding: 0;
  border: 0;
  background: #050708;
  color: var(--paper);
  cursor: pointer;
}

.editorial-video-trigger > span,
.editorial-video-trigger > strong {
  position: absolute;
  left: 50%;
  translate: -50% -50%;
}

.editorial-video-trigger > span {
  top: 48%;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--lime-ink);
  font-size: 1.25rem;
}

.editorial-video-trigger > strong {
  top: 65%;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(5, 7, 8, 0.86);
}

.editorial-video details {
  margin: 0 18px 18px;
}

.article-faq {
  margin-top: 48px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}

.article-faq h2 {
  margin-bottom: 22px;
  font-size: clamp(1.6rem, 3vw, 2.35rem);
}

.article-faq details {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.article-faq summary {
  color: var(--paper);
  font-weight: 760;
  cursor: pointer;
}

.article-faq details p {
  max-width: var(--reading);
  margin: 12px 0 0;
  color: var(--paper-muted);
  line-height: 1.65;
}

.blog-directory {
  display: grid;
  gap: 28px;
}

.blog-cluster {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}

.blog-cluster > header {
  margin-bottom: 24px;
}

.blog-cluster > header h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.7rem);
}

.blog-cluster > header p,
.cluster-planned {
  margin: 10px 0 0;
  color: var(--paper-muted);
}

.cluster-planned {
  padding: 22px;
  border: 1px dashed #39423c;
  border-radius: 14px;
}

@media (max-width: 700px) {
  .article-visual figcaption,
  .editorial-figure figcaption,
  .editorial-video figcaption {
    display: grid;
  }

  .media-credit {
    white-space: normal;
  }

  .article-faq,
  .blog-cluster {
    padding: 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation: none !important;
  }
}