@font-face {
  font-family: "Inter";
  src: url("/assets/inter-cyrillic.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
  font-family: "Inter";
  src: url("/assets/inter-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --ink: #10213d;
  --ink-2: #263851;
  --muted: #526176;
  --muted-2: #56667b;
  --blue: #326fcf;
  --blue-dark: #2659aa;
  --blue-soft: #edf4ff;
  --paper: #f6f8fb;
  --paper-2: #eef2f7;
  --line: #dce3eb;
  --line-dark: #cbd5e1;
  --white: #ffffff;
  --green: #1c7a58;
  --green-soft: #e6f5ee;
  --red: #a53d46;
  --red-soft: #fbecef;
  --shell: 1180px;
  --narrow: 780px;
  --gutter: 24px;
  --shadow: 0 24px 58px rgba(16, 33, 61, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure {
  margin-top: 0;
}

h1,
h2,
h3,
strong,
b {
  color: var(--ink);
}

h1,
h2,
h3 {
  text-wrap: balance;
}

.shell,
.shell-narrow {
  width: min(var(--shell), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.shell-narrow {
  width: min(var(--narrow), calc(100% - (var(--gutter) * 2)));
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-160%);
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
  padding: 10px 14px;
  font-weight: 750;
}

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

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(220, 227, 235, 0.92);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.site-header-inner {
  width: min(var(--shell), calc(100% - (var(--gutter) * 2)));
  min-height: 76px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto minmax(220px, 1fr);
  align-items: center;
  gap: 24px;
}

.site-logo-link {
  width: max-content;
  display: inline-flex;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.site-brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
}

.site-brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.site-wordmark {
  display: grid;
  gap: 0;
  font-size: 0.86rem;
  font-weight: 760;
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.site-wordmark b {
  color: var(--ink);
}

.site-wordmark span {
  color: var(--blue);
  font-weight: 760;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  border-radius: 8px;
  color: #46566b;
  padding: 10px 11px;
  font-size: 0.82rem;
  font-weight: 700;
  transition: color 140ms ease, background 140ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"],
.site-nav a[aria-current="location"] {
  color: var(--blue-dark);
  background: var(--blue-soft);
}

.site-header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 13px;
}

.site-header-inner > .site-login-link-mobile {
  display: none;
}

.text-link {
  color: #46566b;
  font-size: 0.82rem;
  font-weight: 730;
}

.text-link:hover,
.arrow-link:hover,
.footer-email:hover,
.site-footer-column a:hover {
  color: var(--blue-dark);
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  padding: 0 20px;
  font-size: 0.88rem;
  font-weight: 790;
  line-height: 1.2;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-small {
  min-height: 42px;
  padding-inline: 15px;
  font-size: 0.8rem;
}

.button-primary {
  border-color: var(--blue);
  color: var(--white);
  background: var(--blue);
}

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

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

.button-secondary:hover {
  border-color: #aab8ca;
  background: var(--paper);
}

.mobile-menu {
  display: none;
}

.eyebrow {
  margin-bottom: 13px;
  color: var(--blue-dark);
  font-size: 0.72rem;
  font-weight: 830;
  letter-spacing: 0.075em;
  line-height: 1.2;
  text-transform: uppercase;
}

.home-hero {
  border-bottom: 1px solid var(--line);
}

.home-hero-clean {
  min-height: 650px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 94px;
  padding-bottom: 74px;
}

.home-hero h1 {
  max-width: 1100px;
  margin-bottom: 0;
  font-size: clamp(2.9rem, 4.8vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.home-lead,
.page-lead {
  max-width: 690px;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.6vw, 1.18rem);
  line-height: 1.72;
}

.home-lead {
  margin: 0;
}

.home-hero-bottom {
  display: grid;
  grid-template-columns: minmax(0, 640px) auto;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-top: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}

.hero-audience {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 46px 0 0;
  padding: 21px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 650;
  list-style: none;
}

.hero-audience li::before {
  content: "";
  width: 6px;
  height: 6px;
  display: inline-block;
  margin: 0 8px 1px 0;
  border-radius: 50%;
  background: var(--blue);
}

.proof-band {
  background: var(--paper);
}

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

.proof-band article {
  display: grid;
  gap: 5px;
  padding: 27px 28px;
  border-right: 1px solid var(--line);
}

.proof-band article:first-child {
  padding-left: 0;
}

.proof-band article:last-child {
  border-right: 0;
}

.proof-band strong {
  font-size: 1.05rem;
}

.proof-band span {
  color: var(--muted);
  font-size: 0.78rem;
}

.section {
  padding-top: 92px;
  padding-bottom: 92px;
}

.section-tinted {
  background: var(--paper);
}

.section-bordered {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-dark {
  color: #e4ebf5;
  background: var(--ink);
}

.section-dark h2,
.section-dark h3,
.section-dark strong,
.section-dark dt {
  color: var(--white);
}

.section-dark .eyebrow {
  color: #9fc3fb;
}

.section-dark .section-heading > p:last-child,
.section-dark p,
.section-dark dd,
.section-dark small {
  color: #c9d4e3 !important;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-heading h2,
.cta-section h2,
.split-intro h2,
.technical-split h2,
.security-callout h2,
.method-boundary h2,
.metric-warning h2,
.solution-workflow h2,
.solution-outcome h2,
.isolation-diagram h2,
.security-release h2,
.about-evidence h2 {
  margin-bottom: 15px;
  font-size: clamp(2.2rem, 4.2vw, 3.45rem);
  line-height: 1.06;
  letter-spacing: -0.044em;
}

.section-heading > p:last-child,
.split-intro > div:first-child > p:last-child,
.technical-split > div:first-child > p,
.security-callout > div:first-child > p:last-child,
.solution-workflow > div:first-child > p:last-child,
.isolation-diagram > div:first-child > p:last-child,
.about-evidence > div:last-child p {
  color: var(--muted);
  font-size: 0.99rem;
  line-height: 1.72;
}

.section-heading-centered {
  margin-inline: auto;
  text-align: center;
}

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

.task-card {
  min-width: 0;
  min-height: 270px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 25px;
}

.card-index,
.task-card > span,
.layer-grid article > span,
.use-case-grid article > span,
.security-level-grid article > span,
.about-principles article > span {
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 830;
  letter-spacing: 0.07em;
}

.task-card h3 {
  margin: 36px 0 10px;
  font-size: 1.15rem;
  line-height: 1.3;
}

.task-card p {
  flex: 1;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.65;
}

.task-card a {
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 760;
}

.task-card:hover {
  background: #fbfcfe;
}

.split-intro,
.technical-split,
.metrics-intro-grid,
.role-outcome,
.method-boundary,
.method-checklist,
.metric-warning,
.editorial-plan,
.isolation-diagram,
.security-release,
.about-evidence {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(46px, 7vw, 92px);
  align-items: start;
}

.direction-list {
  display: grid;
  border-top: 1px solid var(--line-dark);
}

.direction-list a {
  min-width: 0;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line-dark);
}

.direction-list a > span {
  color: var(--blue-dark);
  font-size: 0.7rem;
  font-weight: 820;
}

.direction-list a > div {
  display: grid;
  gap: 5px;
}

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

.direction-list small {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.direction-list em {
  color: var(--blue-dark);
  font-size: 1.1rem;
  font-style: normal;
}

.direction-list a:hover strong {
  color: var(--blue-dark);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  list-style: none;
}

.workflow-grid li {
  min-height: 225px;
  background: var(--white);
  padding: 24px;
}

.workflow-grid li > span {
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 830;
}

.workflow-grid h3 {
  margin: 48px 0 9px;
  font-size: 1rem;
}

.workflow-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.section-link-row {
  margin-top: 26px;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue-dark);
  font-size: 0.82rem;
  font-weight: 780;
}

.arrow-link span {
  transition: transform 140ms ease;
}

.arrow-link:hover span {
  transform: translateX(3px);
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.example-preview {
  min-width: 0;
  border: 1px solid rgba(203, 213, 225, 0.2);
  background: rgba(255, 255, 255, 0.055);
  padding: 26px;
}

.example-preview-head > span {
  color: #9fc3fb;
  font-size: 0.68rem;
  font-weight: 790;
}

.example-preview h3 {
  margin: 11px 0 5px;
  font-size: 1.3rem;
}

.example-preview-head p {
  margin-bottom: 0;
  font-size: 0.76rem;
}

.example-preview-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 24px 0 20px;
  border-top: 1px solid rgba(203, 213, 225, 0.18);
  border-bottom: 1px solid rgba(203, 213, 225, 0.18);
}

.example-preview-metrics > div {
  display: grid;
  gap: 4px;
  padding: 18px 16px 18px 0;
}

.example-preview-metrics > div + div {
  border-left: 1px solid rgba(203, 213, 225, 0.18);
  padding-left: 16px;
}

.example-preview-metrics strong {
  font-size: 1.72rem;
}

.example-preview-metrics span {
  color: #bdc8d8;
  font-size: 0.7rem;
}

.example-preview > p {
  min-height: 76px;
  margin-bottom: 22px;
  font-size: 0.82rem;
  line-height: 1.62;
}

.section-dark .arrow-link {
  color: #a8c9fb;
}

.metrics-intro-grid > div:first-child .button {
  margin-top: 8px;
}

.metric-definition-list {
  margin-bottom: 0;
  border-top: 1px solid var(--line);
}

.metric-definition-list > div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 22px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.metric-definition-list dt {
  font-size: 0.84rem;
  font-weight: 790;
}

.metric-definition-list dd {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.technical-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.technical-points article {
  min-height: 168px;
  background: var(--white);
  padding: 22px;
}

.technical-points strong {
  font-size: 0.86rem;
}

.technical-points p {
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.58;
}

.security-callout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(350px, 0.8fr);
  align-items: center;
  gap: clamp(48px, 7vw, 84px);
  margin-top: 96px;
  margin-bottom: 96px;
  border-radius: 26px;
  color: #f7f9fc;
  background: #142846;
  box-shadow: 0 30px 70px rgba(16, 33, 61, 0.2);
  padding: clamp(34px, 5vw, 50px);
}

.security-callout .eyebrow {
  width: max-content;
  margin-bottom: 18px;
  border-radius: 999px;
  color: #c9ddfc;
  background: rgba(50, 111, 207, 0.24);
  padding: 8px 11px;
}

.security-callout h2 {
  max-width: 690px;
  margin-bottom: 17px;
  color: var(--white);
}

.security-callout > div:first-child > p:last-child {
  max-width: 670px;
  color: #c4cfdd;
}

.security-checks {
  display: grid;
  gap: 10px;
}

.security-checks > div {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 64px;
  border: 1px solid rgba(201, 221, 252, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.055);
  padding: 11px 13px;
}

.security-checks > div > span {
  color: #eef3fa;
  font-size: 0.8rem;
  line-height: 1.45;
}

.security-checks > a {
  width: max-content;
  margin-top: 7px;
  color: #a9cafb;
}

.security-lock {
  position: relative;
  width: 34px;
  height: 34px;
  display: block;
  border-radius: 9px;
  background: rgba(50, 111, 207, 0.22);
}

.security-lock::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 11px;
  width: 12px;
  height: 10px;
  border: 1.5px solid #8bb8f8;
  border-radius: 2px;
}

.security-lock::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 12px;
  width: 10px;
  height: 9px;
  border: 1.5px solid #8bb8f8;
  border-bottom: 0;
  border-radius: 7px 7px 0 0;
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.material-card {
  min-width: 0;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 24px;
}

.material-card-meta {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 720;
}

.material-card-meta span:first-child {
  color: var(--blue-dark);
}

.material-card h3 {
  margin: 44px 0 11px;
  font-size: 1.2rem;
  line-height: 1.32;
}

.material-card h3 a:hover {
  color: var(--blue-dark);
}

.material-card p {
  flex: 1;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.64;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 21px;
  color: var(--muted-2);
  font-size: 0.7rem;
}

.breadcrumbs a:hover {
  color: var(--blue-dark);
}

.breadcrumb-separator {
  color: var(--muted-2);
}

.page-hero {
  border-bottom: 1px solid var(--line);
}

.page-hero-grid {
  min-height: 560px;
  display: grid;
  align-items: center;
  padding-top: 70px;
  padding-bottom: 82px;
}

.page-hero-grid.has-aside {
  grid-template-columns: minmax(0, 1.05fr) minmax(350px, 0.62fr);
  gap: clamp(50px, 8vw, 108px);
}

.page-hero-copy h1 {
  max-width: 860px;
  margin-bottom: 23px;
  font-size: clamp(3rem, 5.4vw, 4.75rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.page-hero-copy .page-lead {
  margin-bottom: 28px;
}

.page-hero-aside {
  min-width: 0;
}

.hero-summary,
.security-shield {
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line-dark);
  padding: 22px 0;
}

.hero-summary > span,
.security-shield > span {
  color: var(--blue-dark);
  font-size: 0.7rem;
  font-weight: 810;
}

.hero-summary ul,
.hero-summary ol,
.security-shield ul {
  display: grid;
  gap: 0;
  margin: 17px 0 0;
  padding: 0;
  list-style: none;
}

.hero-summary li,
.security-shield li {
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 0.8rem;
  font-weight: 680;
}

.hero-summary li::before,
.security-shield li::before {
  content: "✓";
  margin-right: 9px;
  color: var(--green);
  font-weight: 850;
}

.capability-list {
  padding-top: 36px;
}

.capability-row {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) minmax(240px, 0.38fr);
  gap: clamp(28px, 5vw, 62px);
  padding: 70px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.capability-number {
  color: var(--blue-dark);
  font-size: 0.72rem;
  font-weight: 850;
}

.capability-copy h2,
.solution-card h2,
.method-steps h2,
.example-detail h2,
.security-principles .section-heading h2,
.about-principles .section-heading h2 {
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 3.3vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.037em;
}

.capability-copy > p:last-of-type,
.solution-card > p,
.method-steps article > div > p,
.capability-row aside p {
  color: var(--muted);
  line-height: 1.7;
}

.capability-copy ul,
.solution-card ul,
.method-steps ul {
  display: grid;
  gap: 9px;
  margin: 24px 0 0;
  padding: 0;
  color: var(--ink-2);
  font-size: 0.84rem;
  line-height: 1.55;
  list-style: none;
}

.capability-copy li,
.solution-card li,
.method-steps li {
  position: relative;
  padding-left: 18px;
}

.capability-copy li::before,
.solution-card li::before,
.method-steps li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.capability-row aside {
  align-self: start;
  border-top: 2px solid var(--blue);
  background: var(--paper);
  padding: 18px;
}

.capability-row aside strong {
  font-size: 0.76rem;
}

.capability-row aside p {
  margin: 14px 0 0;
  font-size: 0.76rem;
}

.layer-grid,
.use-case-grid,
.security-level-grid,
.about-principles > div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.layer-grid article,
.use-case-grid article,
.security-level-grid article,
.about-principles article {
  min-height: 220px;
  background: var(--white);
  padding: 23px;
}

.layer-grid h3,
.use-case-grid h3,
.security-level-grid h3,
.about-principles h3 {
  margin: 44px 0 9px;
  font-size: 1rem;
}

.layer-grid p,
.use-case-grid p,
.security-level-grid p,
.about-principles p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
}

.boundary-grid,
.content-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.boundary-grid article,
.content-principles article {
  border-top: 2px solid var(--ink);
  padding: 20px 2px 0;
}

.boundary-grid h3,
.content-principles h3 {
  margin-bottom: 9px;
  font-size: 1rem;
}

.boundary-grid p,
.content-principles p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.62;
}

.solution-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.solution-card {
  min-height: 310px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--line);
  padding: 26px;
}

.solution-card-large {
  min-height: 430px;
  grid-column: span 3;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  column-gap: 70px;
}

.solution-card-large .eyebrow,
.solution-card-large h2,
.solution-card-large > p {
  grid-column: 1;
}

.solution-card-large ul,
.solution-card-large .arrow-link {
  grid-column: 2;
}

.solution-card-large ul {
  grid-row: 1 / span 3;
  margin-top: 0;
  padding-top: 10px;
}

.solution-card .arrow-link {
  margin-top: auto;
  padding-top: 22px;
}

.role-outcome dl {
  margin: 0;
  border-top: 1px solid rgba(203, 213, 225, 0.2);
}

.role-outcome dl > div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 20px;
  padding: 19px 0;
  border-bottom: 1px solid rgba(203, 213, 225, 0.2);
}

.role-outcome dt {
  font-size: 0.82rem;
  font-weight: 760;
}

.role-outcome dd {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.55;
}

.result-stack {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.result-stack article {
  display: grid;
  grid-template-columns: 92px minmax(0, 0.45fr) minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  background: var(--white);
  padding: 20px;
}

.result-stack span {
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 800;
}

.result-stack strong {
  font-size: 0.84rem;
}

.result-stack p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.two-column-copy {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 80px;
}

.two-column-copy > div:first-child > p:last-of-type {
  color: var(--muted);
  line-height: 1.7;
}

.note-box {
  border-top: 2px solid var(--ink);
  background: var(--paper);
  padding: 20px;
}

.note-box + .note-box {
  margin-top: 13px;
}

.note-box strong {
  font-size: 0.82rem;
}

.note-box p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.62;
}

.note-blue {
  border-top-color: var(--blue);
  background: var(--blue-soft);
}

.solution-outcome {
  max-width: 900px;
}

.solution-outcome > div {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.solution-outcome > div span {
  border: 1px solid rgba(203, 213, 225, 0.23);
  color: #d9e4f2;
  padding: 10px 12px;
  font-size: 0.74rem;
}

.method-formula {
  display: grid;
  grid-template-columns: 1fr auto;
  border-top: 2px solid var(--ink);
}

.method-formula span,
.method-formula b {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
}

.method-formula b {
  color: var(--blue-dark);
}

.method-steps {
  padding-top: 30px;
}

.method-steps > article {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 28px;
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}

.method-steps > article > span {
  color: var(--blue-dark);
  font-size: 0.72rem;
  font-weight: 850;
}

.method-steps article > div {
  max-width: 780px;
}

.method-boundary {
  align-items: center;
}

.method-boundary > div:last-child p {
  font-size: 0.9rem;
  line-height: 1.72;
}

.method-checklist {
  align-items: start;
}

.method-checklist ol,
.security-release ol,
.editorial-plan ol,
.evidence-principles ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.method-checklist li,
.security-release li,
.editorial-plan li,
.evidence-principles li {
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 0.84rem;
  line-height: 1.55;
}

.method-checklist li {
  counter-increment: checklist;
}

.method-checklist ol {
  counter-reset: checklist;
}

.method-checklist li::before {
  content: counter(checklist, decimal-leading-zero);
  display: inline-block;
  width: 38px;
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 820;
}

.metric-catalog {
  padding-top: 34px;
}

.metric-catalog > article {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 25px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.metric-catalog > article > span {
  color: var(--blue-dark);
  font-size: 0.7rem;
  font-weight: 840;
}

.metric-catalog h2 {
  margin-bottom: 9px;
  font-size: 1.35rem;
}

.metric-catalog p {
  margin-bottom: 7px;
  color: var(--ink-2);
  line-height: 1.65;
}

.metric-catalog small {
  color: var(--muted);
  font-size: 0.76rem;
}

.combination-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.combination-grid article {
  min-height: 210px;
  background: var(--white);
  padding: 23px;
}

.combination-grid h3 {
  margin-bottom: 42px;
  font-size: 1rem;
}

.combination-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.62;
}

.metric-warning {
  align-items: start;
}

.metric-warning ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.metric-warning li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.metric-warning li strong {
  color: var(--ink);
}

.example-detail-list {
  padding-top: 30px;
}

.example-detail {
  display: grid;
  grid-template-columns: minmax(210px, 0.36fr) minmax(0, 1fr);
  gap: 60px;
  padding: 66px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.example-detail-side {
  display: grid;
  align-content: start;
  gap: 9px;
}

.example-detail-side > span {
  color: var(--blue-dark);
  font-size: 0.7rem;
  font-weight: 820;
}

.example-detail-side strong {
  font-size: 0.82rem;
}

.example-detail-side small {
  color: var(--muted);
  font-size: 0.72rem;
}

.example-detail-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 23px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.example-detail-metrics > div {
  display: grid;
  gap: 5px;
  padding: 20px 20px 20px 0;
}

.example-detail-metrics > div + div {
  border-left: 1px solid var(--line);
  padding-left: 20px;
}

.example-detail-metrics strong {
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.example-detail-metrics span {
  color: var(--muted);
  font-size: 0.72rem;
}

.example-detail dl {
  margin: 0;
}

.example-detail dl > div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.example-detail dt {
  font-size: 0.78rem;
  font-weight: 780;
}

.example-detail dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.62;
}

.evidence-principles {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 80px;
}

.evidence-principles ol {
  border-color: rgba(203, 213, 225, 0.2);
}

.evidence-principles li {
  border-color: rgba(203, 213, 225, 0.2);
  color: #d1dbe8;
}

.editorial-plan {
  align-items: start;
}

.editorial-plan li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
}

.editorial-plan li span {
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 820;
}

.article-page {
  padding-bottom: 70px;
}

.article-header {
  padding-top: 52px;
  padding-bottom: 66px;
  text-align: center;
}

.article-header h1 {
  margin-bottom: 22px;
  font-size: clamp(2.15rem, 3.5vw, 3.1rem);
  line-height: 1.14;
  letter-spacing: -0.045em;
  hyphens: none;
}

.article-lead {
  color: var(--muted);
  font-size: 1.14rem;
  line-height: 1.72;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 27px;
  color: var(--muted-2);
  font-size: 0.7rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 720px);
  justify-content: center;
  gap: 66px;
  align-items: start;
}

.article-toc {
  position: sticky;
  top: 106px;
  border-top: 2px solid var(--ink);
  padding-top: 17px;
}

.article-toc > strong {
  font-size: 0.76rem;
}

.article-toc ol {
  display: grid;
  gap: 0;
  margin: 12px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

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

.article-toc a {
  display: block;
  padding: 11px 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.45;
}

.article-toc a:hover {
  color: var(--blue-dark);
}

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

.article-intro {
  margin-bottom: 52px;
  color: var(--ink-2);
  font-size: 1.16rem;
  line-height: 1.78;
}

.article-content section {
  scroll-margin-top: 110px;
  margin-bottom: 48px;
}

.article-content h2 {
  margin-bottom: 17px;
  font-size: 1.75rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.article-content p,
.article-content li {
  color: #394a61;
  font-size: 0.96rem;
  line-height: 1.82;
}

.article-content ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 22px;
  padding-left: 22px;
}

.article-content .note-box {
  margin-top: 56px;
}

.security-shield strong {
  display: block;
  margin-top: 10px;
  font-size: 1.35rem;
}

.security-level-grid article {
  min-height: 250px;
}

.diagram {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: center;
}

.diagram article {
  min-width: 0;
  border: 1px solid rgba(203, 213, 225, 0.22);
  padding: 22px;
}

.diagram article span {
  color: #9fc3fb;
  font-size: 0.68rem;
  font-weight: 780;
}

.diagram article strong {
  display: block;
  margin: 10px 0 7px;
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.diagram article p {
  margin: 0;
  font-size: 0.74rem;
}

.diagram > i {
  height: 1px;
  display: block;
  background: rgba(203, 213, 225, 0.36);
}

.security-do-dont {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 70px;
}

.security-do-dont h2 {
  margin-bottom: 23px;
  font-size: 1.7rem;
}

.check-list,
.cross-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.check-list li,
.cross-list li {
  position: relative;
  padding: 15px 0 15px 28px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.check-list li::before,
.cross-list li::before {
  position: absolute;
  top: 15px;
  left: 0;
  font-weight: 850;
}

.check-list li::before {
  content: "✓";
  color: var(--green);
}

.cross-list li::before {
  content: "×";
  color: var(--red);
}

.security-release ol {
  counter-reset: release;
}

.security-release li {
  counter-increment: release;
}

.security-release li::before {
  content: counter(release, decimal-leading-zero);
  display: inline-block;
  width: 40px;
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 820;
}

.platform-map {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 80px;
}

.platform-map > div:first-child > p:last-child {
  color: var(--muted);
  line-height: 1.7;
}

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

.platform-map li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 15px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.platform-map li > span {
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 820;
}

.platform-map li div {
  display: grid;
  gap: 4px;
}

.platform-map li strong {
  font-size: 0.84rem;
}

.platform-map li p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.cta-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 50px;
  margin-top: 30px;
  margin-bottom: 30px;
  border: 1px solid #cad8ea;
  background: var(--blue-soft);
  padding: 38px 40px;
}

.cta-section > div:first-child {
  max-width: 760px;
}

.cta-section h2 {
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 3.4vw, 2.65rem);
}

.cta-section > div:first-child > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.site-footer {
  margin-top: 88px;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.site-footer-main {
  display: grid;
  grid-template-columns: minmax(260px, 1.25fr) repeat(3, minmax(150px, 0.75fr));
  gap: 46px;
  padding-top: 54px;
  padding-bottom: 48px;
}

.site-footer-about p {
  max-width: 340px;
  margin: 21px 0 13px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.62;
}

.site-brand-footer .site-brand-mark {
  width: 38px;
  height: 38px;
  flex-basis: 38px;
}

.site-brand-footer .site-wordmark {
  font-size: 0.78rem;
}

.footer-email {
  color: var(--blue-dark);
  font-size: 0.76rem;
  font-weight: 720;
}

.site-footer-column {
  display: grid;
  align-content: start;
  gap: 10px;
}

.site-footer-column strong {
  margin-bottom: 7px;
  font-size: 0.76rem;
}

.site-footer-column a {
  color: var(--muted);
  font-size: 0.72rem;
}

.site-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  padding-bottom: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 0.66rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0 22px;
}

.tag-list span,
.tag-list .topic-tag {
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: var(--muted);
  background: var(--paper);
  padding: 7px 11px;
  font-size: 0.75rem;
  font-weight: 690;
  line-height: 1.2;
}

.tag-list .topic-tag:hover {
  color: var(--blue-dark);
  background: var(--blue-soft);
  border-color: var(--blue);
}

.tag-list-centered {
  justify-content: center;
  margin-top: 18px;
  margin-bottom: 0;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.knowledge-grid-balanced,
.knowledge-grid-featured {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.knowledge-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.knowledge-jump a {
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: var(--ink-2);
  background: var(--white);
  padding: 8px 12px;
  font-size: 0.72rem;
  font-weight: 720;
}

.knowledge-jump a:hover {
  border-color: var(--blue);
  color: var(--blue-dark);
  background: var(--blue-soft);
}

.knowledge-card {
  min-width: 0;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 25px;
}

.knowledge-card-meta {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted-2);
  font-size: 0.75rem;
  font-weight: 720;
}

.knowledge-card-meta span:first-child,
.knowledge-card-meta .rubric-link {
  color: var(--blue-dark);
}

.knowledge-card h3 {
  margin: 28px 0 12px;
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.knowledge-card h3 a:hover {
  color: var(--blue-dark);
}

.knowledge-card > p {
  flex: 1;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.knowledge-card .tag-list {
  margin-top: 22px;
  margin-bottom: 19px;
}

.knowledge-card-primary {
  grid-column: span 2;
  min-height: 420px;
  border-top: 3px solid var(--blue);
  background: var(--paper);
  padding: clamp(27px, 4vw, 38px);
}

.knowledge-card-primary h3 {
  max-width: 760px;
  margin-top: auto;
  font-size: clamp(1.85rem, 3.25vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.knowledge-card-primary > p {
  max-width: 720px;
  flex: 0 1 auto;
}

.knowledge-directory {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.knowledge-directory > a {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-top: 2px solid var(--ink);
  background: var(--white);
  padding: 28px;
}

.knowledge-directory span {
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.knowledge-directory strong {
  margin: 44px 0 12px;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.knowledge-directory p {
  max-width: 520px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.65;
}

.knowledge-directory em {
  margin-top: auto;
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 780;
}

.knowledge-thesis {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.7fr);
  align-items: end;
  gap: clamp(45px, 8vw, 94px);
  margin-top: 36px;
  margin-bottom: 36px;
  border-radius: 26px;
  color: var(--white);
  background: #142846;
  box-shadow: 0 30px 70px rgba(16, 33, 61, 0.18);
  padding: clamp(34px, 5vw, 52px);
}

.knowledge-thesis .eyebrow {
  color: #a9cafb;
}

.knowledge-thesis h2 {
  max-width: 720px;
  color: var(--white);
  font-size: clamp(2.2rem, 4.5vw, 3.7rem);
  line-height: 1.02;
  letter-spacing: -0.048em;
}

.knowledge-thesis > div:last-child p {
  color: #c4cfdd;
  font-size: 0.9rem;
  line-height: 1.7;
}

.knowledge-thesis .arrow-link {
  color: #a9cafb;
}

.category-crosslink {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 45px;
}

.category-crosslink h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.category-crosslink p:last-child {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.software-definition {
  width: min(var(--shell), calc(100% - (var(--gutter) * 2)));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.75fr);
  align-items: end;
  gap: 70px;
  margin: 0 auto 92px;
  border: 1px solid var(--line-dark);
  background: var(--paper);
  padding: clamp(28px, 5vw, 48px);
}

.software-definition h2 {
  margin-bottom: 13px;
  font-size: clamp(2.15rem, 4vw, 3.2rem);
  letter-spacing: -0.045em;
}

.software-definition > div > p:last-child {
  max-width: 660px;
  color: var(--muted);
  line-height: 1.7;
}

.software-definition dl {
  margin: 0;
  border-top: 1px solid var(--line-dark);
}

.software-definition dl > div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 15px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.software-definition dt,
.software-definition dd {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.45;
}

.software-definition dt {
  color: var(--muted-2);
}

.software-definition .arrow-link {
  grid-column: 2;
}

/* Editorial hierarchy: purpose (rubric) and subject (topic) are distinct links. */
.section-nav {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.section-nav > .shell,
.section-nav > .shell > div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px 20px;
}

.section-nav > .shell {
  padding-block: 12px;
}

.section-nav-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 720;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-right: 20px;
  border-right: 1px solid var(--line-dark);
}

.section-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 0.78rem;
  color: var(--muted);
}

.section-nav a:hover,
.section-nav a[aria-current="page"],
.rubric-link:hover {
  color: var(--blue-dark);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.home-hero {
  background: linear-gradient(115deg, #ffffff 45%, #f0f5fc);
}

.home-hero-editorial {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding-block: 68px;
}

.home-hero-copy {
  min-width: 0;
}

.home-hero-copy h1 em {
  color: var(--blue-dark);
  font-style: normal;
}

.home-hero-copy .home-lead {
  margin-block: 26px;
  max-width: 520px;
}

.hero-footnote {
  max-width: 450px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.signal-map {
  min-width: 0;
  color: #d4dfef;
  background: var(--ink);
  border-radius: 8px;
  padding: 25px 30px 19px;
  box-shadow: var(--shadow);
}

.signal-map-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  padding-bottom: 20px;
  border-bottom: 1px solid #35465e;
  font-size: 0.72rem;
}

.signal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #abd6ff;
}

.signal-map-number {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

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

.signal-map li {
  padding-block: 22px;
  border-bottom: 1px solid #35465e;
}

.signal-step {
  display: block;
  margin-bottom: 9px;
  color: #aacbf6;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.signal-map strong {
  display: block;
  color: white;
  font-size: 1.07rem;
  letter-spacing: -0.025em;
}

.signal-map li p {
  margin: 8px 0 10px;
  font-size: 0.79rem;
  line-height: 1.55;
}

.signal-map a {
  color: #bcd8ff;
  font-size: 0.76rem;
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.signal-map-caption {
  margin: 16px 0 0;
  font-size: 0.65rem;
  line-height: 1.6;
}

.site-entrypoints {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-block: 32px;
}

.site-entrypoints > a {
  min-width: 0;
  padding: 12px 24px;
  border-left: 1px solid var(--line);
}

.site-entrypoints > a:first-child {
  border-left: 0;
  padding-left: 0;
}

.site-entrypoints > a > span {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
}

.site-entrypoints strong {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 1.03rem;
}

.site-entrypoints i,
.topic-directory-card i {
  font-style: normal;
  color: var(--blue-dark);
}

.site-entrypoints p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-entrypoints a:hover strong {
  color: var(--blue-dark);
}

.topic-directory {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.topic-directory-card {
  grid-column: span 2;
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line-dark);
  border-top: 3px solid var(--blue);
  background: var(--white);
}

.topic-directory-card:nth-child(1),
.topic-directory-card:nth-child(2),
.topic-directory-card:nth-child(6),
.topic-directory-card:nth-child(7) {
  grid-column: span 3;
}

.topic-directory-card:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.topic-directory-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.73rem;
}

.topic-directory-card strong {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 1.16rem;
  line-height: 1.3;
}

.topic-directory-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.topic-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 22px;
  border-block: 1px solid var(--line);
}

.topic-switcher a {
  padding: 9px 13px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--muted);
}

.topic-switcher a:hover {
  border-color: var(--blue);
  color: var(--blue-dark);
}

.topic-switcher a[aria-current="page"] {
  color: white;
  border-color: var(--ink);
  background: var(--ink);
}

.reading-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-block: 35px;
  border-block: 1px solid var(--line);
}

.reading-next h2 {
  margin-bottom: 12px;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.reading-next p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.section-link-row {
  flex-wrap: wrap;
  gap: 16px 28px;
}

/* Task-first navigation and progressive disclosure use native HTML, not scripts. */
.feature-hero .page-hero-copy h1 {
  font-size: clamp(2.6rem, 4.25vw, 3.6rem);
  line-height: 1.08;
}

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

.task-grid-focused .task-card {
  min-height: 0;
  padding: 30px;
}

.task-grid-focused .task-card h3 {
  margin-top: 18px;
}

.feature-hero-note {
  padding: 32px;
  border-radius: 18px;
  background: var(--ink);
  color: #c9d4e3;
}

.feature-hero-note .eyebrow,
.feature-hero-note a {
  color: #b5d2ff;
}

.feature-hero-note > strong {
  display: block;
  margin: 22px 0;
  color: white;
  font-size: clamp(1.7rem, 2.6vw, 2.2rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.feature-hero-note p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.feature-hero-note a {
  display: inline-block;
  padding-top: 10px;
  font-size: 0.82rem;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.task-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 24px;
  border-bottom: 1px solid var(--line);
}

.task-jump a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 16px;
  border: 1px solid var(--line-dark);
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 650;
}

.task-jump a:hover {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.feature-group {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.4fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.feature-group .section-heading {
  margin-bottom: 18px;
}

.feature-group-tip {
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.feature-list {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.feature-task,
.reading-path {
  min-width: 0;
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  background: var(--white);
  scroll-margin-top: 106px;
}

.feature-task[open],
.feature-task:target,
.reading-path[open],
.reading-path:target {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue);
}

.feature-task > summary,
.reading-path > summary,
.feature-faq summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 22px;
  padding: 25px 28px;
  cursor: pointer;
  list-style: none;
}

.feature-task > summary::-webkit-details-marker,
.reading-path > summary::-webkit-details-marker,
.feature-faq summary::-webkit-details-marker {
  display: none;
}

.feature-task > summary:hover,
.reading-path > summary:hover,
.feature-faq summary:hover {
  background: var(--blue-soft);
  border-radius: 13px;
}

.feature-task-heading {
  min-width: 0;
  margin: 0;
  text-wrap: pretty;
}

.feature-task-heading .eyebrow {
  display: block;
  margin-bottom: 12px;
}

.feature-task-title {
  display: block;
  font-size: 1.3rem;
  font-weight: 750;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.feature-task-outcome {
  display: block;
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.87rem;
  font-weight: 430;
  line-height: 1.55;
}

.disclosure-symbol {
  position: relative;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.disclosure-symbol::before,
.disclosure-symbol::after {
  content: "";
  position: absolute;
  inset: 13px 8px;
  background: currentColor;
}

.disclosure-symbol::after {
  transform: rotate(90deg);
}

details[open] > summary > .disclosure-symbol::after {
  transform: rotate(0deg);
}

.feature-task-body {
  padding: 0 28px 28px;
}

.feature-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.feature-facts > div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.feature-facts dt {
  color: var(--blue-dark);
  font-size: 0.76rem;
  font-weight: 750;
}

.feature-facts dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
}

.feature-limit {
  margin: 20px 0;
  padding: 16px;
  background: var(--paper);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.7;
}

.briefing-example {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 60px;
}

.briefing-sheet {
  padding: 30px;
  border: 1px solid var(--line-dark);
  border-top: 4px solid var(--blue);
  box-shadow: 10px 10px 0 var(--paper-2);
}

.briefing-sheet-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.briefing-sheet-head > strong {
  font-size: 1.15rem;
}

.briefing-sheet-head > span {
  color: var(--muted);
  font-size: 0.72rem;
}

.briefing-sheet dl {
  margin-bottom: 0;
}

.briefing-sheet dl > div {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.briefing-sheet dt {
  margin-bottom: 7px;
  font-size: 0.78rem;
  font-weight: 800;
}

.briefing-sheet dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.feature-faq {
  padding-top: 0;
}

.feature-faq details {
  border-top: 1px solid var(--line-dark);
}

.feature-faq details:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.feature-faq summary {
  padding-inline: 0;
  font-size: 1.03rem;
  font-weight: 700;
}

.feature-faq details > p {
  max-width: 850px;
  padding: 0 28px 20px 0;
  color: var(--muted);
  line-height: 1.7;
}

.feature-faq p a {
  color: var(--blue-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.reading-paths,
.reading-path-links,
.next-reading-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 20px;
}

.reading-path > summary > span:first-child {
  min-width: 0;
}

.reading-path > summary strong {
  display: block;
  font-size: 1.15rem;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.reading-path > summary > span:first-child > span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.65;
}

.reading-path ol {
  margin: 0;
  padding: 0 28px 20px;
  list-style: none;
  counter-reset: reading-step;
}

.reading-path li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  counter-increment: reading-step;
}

.reading-path li::before {
  content: counter(reading-step);
  flex: 0 0 22px;
  color: var(--blue-dark);
  font-size: 0.9rem;
  font-weight: 800;
}

.reading-path li a {
  color: var(--blue-dark);
  font-size: 0.88rem;
  font-weight: 730;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.reading-path li p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

.reading-path-links > a {
  display: grid;
  gap: 14px;
  padding: 26px;
  border-top: 2px solid var(--blue);
  background: var(--paper);
}

.reading-path-links > a:hover {
  background: var(--blue-soft);
}

.reading-path-links strong {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 1.15rem;
  line-height: 1.35;
}

.reading-path-links > a > span {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.65;
}

.next-reading-card {
  display: flex;
  flex-direction: column;
  align-self: stretch;
  padding: 28px;
  border: 1px solid var(--line);
  background: white;
}

.next-reading-reason {
  margin-bottom: 20px;
  color: var(--blue-dark);
  font-size: 0.85rem;
  line-height: 1.65;
}

.next-reading-card h3 {
  font-size: 1.2rem;
  line-height: 1.4;
  letter-spacing: -0.025em;
}

.next-reading-card > span {
  color: var(--muted);
  font-size: 0.75rem;
}

.next-reading-card .arrow-link {
  margin-top: auto;
  padding-top: 28px;
}

.article-takeaways {
  padding: 25px 28px;
  margin-bottom: 40px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
}

.article-takeaways > strong {
  color: var(--blue-dark);
  font-size: 0.87rem;
}

.article-content .article-takeaways ul {
  margin-bottom: 0;
}

.article-content .article-takeaways li {
  font-size: 0.91rem;
  line-height: 1.7;
}

@media (max-width: 1100px) {
  .site-header-inner {
    grid-template-columns: minmax(170px, 1fr) auto auto;
  }

  .site-nav {
    display: none;
  }

  .mobile-menu {
    justify-self: end;
    display: block;
    position: relative;
  }

  .mobile-menu summary {
    min-width: 74px;
    min-height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line-dark);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.76rem;
    font-weight: 760;
    list-style: none;
  }

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

  .mobile-menu[open] summary {
    color: var(--blue-dark);
    background: var(--blue-soft);
  }

  .mobile-menu nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: min(320px, calc(100vw - 36px));
    display: grid;
    border: 1px solid var(--line-dark);
    background: var(--white);
    box-shadow: 0 18px 42px rgba(16, 33, 61, 0.14);
    padding: 10px;
  }

  .mobile-menu-link {
    padding: 10px 8px;
    border-bottom: 1px solid var(--line);
    color: var(--ink-2);
    font-size: 0.78rem;
    font-weight: 680;
  }

  .mobile-menu .button {
    margin-top: 10px;
  }

  .home-hero h1 {
    font-size: clamp(2.65rem, 4.7vw, 3.5rem);
  }

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

  .material-grid > :last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

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

  .workflow-grid,
  .layer-grid,
  .use-case-grid,
  .security-level-grid,
  .about-principles > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .solution-card-large {
    grid-column: span 2;
  }
}

@media (max-width: 820px) {
  .feature-group,
  .briefing-example {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .feature-group-tip {
    display: none;
  }

  .feature-hero-note {
    padding: 28px;
  }

  :root {
    --gutter: 18px;
  }

  html {
    scroll-padding-top: 78px;
  }

  .site-header-inner {
    min-height: 68px;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 10px;
  }

  .site-header-actions {
    display: none;
  }

  .site-header-inner > .site-login-link-mobile {
    min-width: 76px;
    min-height: 44px;
    display: inline-flex;
    justify-self: end;
    padding-inline: 14px;
  }

  .page-hero-grid.has-aside {
    grid-template-columns: 1fr;
  }

  .home-hero-editorial {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 46px;
  }

  .home-hero-copy h1 {
    max-width: 650px;
  }

  .signal-map {
    max-width: 650px;
  }

  .site-entrypoints {
    grid-template-columns: 1fr;
    padding-block: 15px;
  }

  .site-entrypoints > a,
  .site-entrypoints > a:first-child {
    padding: 20px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .topic-directory > .topic-directory-card {
    grid-column: span 1;
  }

  .topic-directory > .topic-directory-card:last-child {
    grid-column: 1 / -1;
  }

  .section-nav-label {
    display: none;
  }

  .section-nav > .shell > div {
    gap: 3px 17px;
  }

  .reading-next {
    align-items: flex-start;
    flex-direction: column;
  }

  .home-hero-clean {
    min-height: 0;
    padding-top: 60px;
    padding-bottom: 62px;
  }

  .home-hero-bottom {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 26px;
  }

  .hero-audience {
    margin-top: 38px;
  }

  .proof-band-grid {
    grid-template-columns: 1fr;
  }

  .proof-band article,
  .proof-band article:first-child {
    padding: 19px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-band article:last-child {
    border-bottom: 0;
  }

  .section {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .split-intro,
  .technical-split,
  .metrics-intro-grid,
  .role-outcome,
  .method-boundary,
  .method-checklist,
  .metric-warning,
  .editorial-plan,
  .isolation-diagram,
  .security-release,
  .about-evidence,
  .security-callout,
  .evidence-principles,
  .platform-map,
  .two-column-copy,
  .knowledge-thesis,
  .software-definition,
  .category-crosslink {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .knowledge-directory {
    grid-template-columns: 1fr;
  }

  .software-definition .arrow-link {
    grid-column: 1;
  }

  .technical-points {
    max-width: 620px;
  }

  .capability-row {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .capability-row aside {
    grid-column: 2;
  }

  .solution-card-large {
    min-height: 0;
    display: flex;
  }

  .result-stack article {
    grid-template-columns: 80px minmax(0, 1fr);
  }

  .result-stack article p {
    grid-column: 2;
  }

  .example-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .article-layout {
    grid-template-columns: 1fr;
    max-width: 720px;
  }

  .article-toc {
    position: static;
  }

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

  .cta-actions {
    justify-content: flex-start;
  }

  .site-footer-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .security-callout {
    margin-top: 72px;
    margin-bottom: 72px;
    padding: 32px;
  }
}

@media (max-width: 560px) {
  .feature-hero .page-hero-copy h1 {
    font-size: clamp(1.9rem, 8.5vw, 2.8rem);
    line-height: 1.08;
  }

  .task-grid-focused,
  .reading-paths,
  .reading-path-links,
  .next-reading-grid {
    grid-template-columns: 1fr;
  }

  .feature-task > summary,
  .reading-path > summary {
    padding: 22px 20px;
    gap: 14px;
  }

  .feature-task-body {
    padding: 0 20px 22px;
  }

  .feature-task-title {
    font-size: 1.18rem;
  }

  .feature-facts > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .reading-path ol {
    padding-inline: 20px;
  }

  .briefing-sheet,
  .article-takeaways,
  .next-reading-card {
    padding: 22px;
  }

  .task-jump a {
    padding-inline: 12px;
    font-size: 0.76rem;
  }

  .article-toc a {
    font-size: 0.8rem;
    min-height: 42px;
  }

  :root {
    --gutter: 15px;
  }

  .site-brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .site-wordmark {
    font-size: 0.78rem;
  }

  .signal-map {
    padding: 22px;
  }

  .topic-directory {
    grid-template-columns: 1fr;
  }

  .topic-directory-card {
    padding: 22px;
  }

  .section-nav a,
  .topic-switcher a,
  .tag-list .topic-tag {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
  }

  .knowledge-card-meta {
    flex-wrap: wrap;
    gap: 8px;
  }

  .home-hero h1,
  .page-hero-copy h1,
  .article-header h1 {
    font-size: clamp(1.9rem, 8.5vw, 2.8rem);
    line-height: 1.02;
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: auto;
  }

  h1,
  h2,
  h3 {
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: auto;
  }

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

  .home-hero-bottom {
    margin-top: 27px;
  }

  .hero-audience {
    display: grid;
    gap: 8px;
    margin-top: 32px;
  }

  .task-grid,
  .material-grid,
  .knowledge-grid,
  .workflow-grid,
  .layer-grid,
  .use-case-grid,
  .security-level-grid,
  .about-principles > div,
  .boundary-grid,
  .content-principles,
  .solution-card-grid,
  .combination-grid,
  .security-do-dont {
    grid-template-columns: 1fr;
  }

  .knowledge-card-primary {
    grid-column: span 1;
    min-height: 390px;
  }

  .knowledge-thesis {
    margin-top: 56px;
    margin-bottom: 56px;
    border-radius: 20px;
    padding: 26px 21px;
  }

  .software-definition dl > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .solution-card-large {
    grid-column: span 1;
  }

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

  .example-preview-metrics,
  .example-detail-metrics {
    grid-template-columns: 1fr;
  }

  .example-preview-metrics > div + div,
  .example-detail-metrics > div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
    padding-left: 0;
  }

  .section-heading h2,
  .cta-section h2,
  .split-intro h2,
  .technical-split h2,
  .security-callout h2,
  .method-boundary h2,
  .metric-warning h2,
  .solution-workflow h2,
  .solution-outcome h2,
  .isolation-diagram h2,
  .security-release h2,
  .about-evidence h2 {
    font-size: clamp(1.65rem, 7.2vw, 2.2rem);
    line-height: 1.08;
    overflow-wrap: break-word;
    word-break: normal;
    hyphens: auto;
  }

  .technical-points {
    grid-template-columns: 1fr;
  }

  .security-callout {
    margin-top: 56px;
    margin-bottom: 56px;
    border-radius: 20px;
    padding: 24px 20px;
  }

  .security-checks > div {
    padding: 10px;
  }

  .metric-definition-list > div,
  .role-outcome dl > div,
  .example-detail dl > div {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .capability-row {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 52px 0;
  }

  .capability-row aside {
    grid-column: 1;
  }

  .method-steps > article,
  .metric-catalog > article {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .diagram {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .diagram > i {
    width: 1px;
    height: 24px;
    margin-left: 28px;
  }

  .cta-section {
    padding: 28px 22px;
  }

  .site-footer-main {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .site-footer-bottom {
    flex-direction: column;
  }
}

/* Product-first public site. Schemas are explanatory HTML, not live app UI. */
.editorial-image {
  display: block;
  width: 100%;
  height: auto;
  background: #f4edde;
  object-fit: cover;
}
.product-home-hero { padding: 58px 0 46px; }
.product-home-grid { display: grid; grid-template-columns: 1.12fr 1fr; gap: 54px; align-items: center; }
.product-home-copy, .product-home-grid > *, .product-depth > *, .product-result-section > * { min-width: 0; }
.product-home-copy h1 { margin: 22px 0; font-size: clamp(2.75rem, 4.2vw, 4rem); line-height: 1.075; letter-spacing: -0.055em; }
.product-home-copy h1 em { color: var(--blue-dark); font-style: normal; }
.product-home-copy .home-lead { max-width: 570px; font-size: 1.08rem; line-height: 1.7; }
.product-hero-art { border-radius: 8px; background: #eee6d8; overflow: hidden; border: 1px solid #e4dac8; }
.product-hero-art .editorial-image { aspect-ratio: 1.5; object-fit: cover; }
.product-hero-art-caption { padding: 27px 32px 29px; background: var(--ink); color: white; }
.product-hero-art-caption > span { font-size: 0.62rem; letter-spacing: 0.13em; color: #a7c8ff; }
.product-hero-art-caption > strong { display: block; margin: 12px 0; color: white; font-size: 1.85rem; font-weight: 600; line-height: 1.12; letter-spacing: -0.045em; }
.product-hero-art-caption p { margin: 0; color: #c9d4e3; font-size: 0.87rem; max-width: 330px; }
.product-proof-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: 24px; gap: 32px; }
.product-proof-strip > div { display: grid; gap: 5px; }
.product-proof-strip strong { font-size: 1.06rem; letter-spacing: -0.03em; }
.product-proof-strip span { color: var(--muted); font-size: 0.8rem; }
.product-modules-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.product-module-card { min-width: 0; border: 1px solid var(--line); background: white; border-radius: 7px; scroll-margin-top: 112px; display: flex; flex-direction: column; }
.product-module-card:target { outline: 3px solid var(--blue); outline-offset: 5px; }
.product-module-card:hover { border-color: #9bb5db; }
.product-module-copy { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.product-module-copy > .eyebrow { font-size: 0.61rem; letter-spacing: 0.09em; margin-bottom: 12px; }
.product-module-copy h3 { font-size: 1.45rem; line-height: 1.17; letter-spacing: -0.035em; margin-bottom: 15px; }
.product-module-copy > p:not(.eyebrow) { color: var(--muted); font-size: 0.92rem; line-height: 1.65; }
.product-module-copy .arrow-link { margin-top: auto; padding-top: 12px; font-size: 0.78rem; }
.product-schema { padding: 25px; background: #edf3fa; border-radius: 7px; color: var(--ink); min-width: 0; font-size: 0.79rem; }
.product-module-card > .product-schema { border-radius: 6px 6px 0 0; min-height: 265px; }
.schema-caption { color: var(--muted); font-size: 0.59rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 20px; }
.schema-search { display: grid; gap: 8px; padding-bottom: 18px; margin-bottom: 7px; border-bottom: 1px solid #cfdbeb; }
.schema-search > span { font-size: 0.7rem; color: var(--muted); }
.schema-search strong { font-weight: 650; font-size: 0.92rem; }
.schema-line { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid #dbe3ed; padding-block: 12px; font-size: 0.71rem; align-items: flex-start; }
.schema-line:last-child { border-bottom: 0; }
.schema-line > b { text-align: right; font-weight: 600; }
.schema-source { display: flex; align-items: flex-start; gap: 12px; padding-top: 15px; font-weight: 650; font-size: 0.83rem; }
.schema-source i { display: block; width: 20px; height: 25px; background: #d2e2f7; border: 1px solid #9ab5dc; flex-shrink: 0; border-radius: 2px; }
.schema-source small { display: block; margin-top: 4px; color: var(--muted); font-size: 0.63rem; font-weight: 400; }
.schema-tracker { background: #eef1ea; }
.schema-kpi, .schema-reports { background: #f5f0e5; }
.schema-comments, .schema-tonality { background: #eff0f8; }
.status-dot { display: flex; align-items: center; gap: 6px; }
.status-dot::before { content: ""; width: 7px; height: 7px; background: #66748a; border-radius: 50%; flex-shrink: 0; }
.status-green::before { background: #2f755a; }
.status-amber::before { background: #b26a16; }
.schema-thread { border-left: 2px solid #aebdde; padding-left: 13px; margin: 14px 0 4px; display: grid; gap: 9px; }
.schema-thread > div { margin-left: 10px; padding: 7px 10px; background: #f9faff; font-size: 0.68rem; border-radius: 3px; }
.schema-files { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.schema-files > div { display: grid; gap: 7px; padding: 13px; border: 1px solid #d8d2c6; background: white; border-radius: 3px; }
.schema-files b { color: var(--blue-dark); letter-spacing: 0.08em; }
.schema-files span { font-size: 0.64rem; color: var(--muted); }
.product-depth { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.product-depth .editorial-image { aspect-ratio: 1.8; border-radius: 5px; margin-top: 35px; }
.product-depth-list { display: grid; }
.product-depth .product-module-card { border: 0; border-top: 1px solid #3a4a63; border-radius: 0; background: transparent; }
.product-depth .product-module-card:last-child { border-bottom: 1px solid #3a4a63; }
.product-depth .product-module-copy { padding: 27px 0; }
.product-depth .product-module-copy .eyebrow { color: #a7c8ff !important; }
.product-depth .product-module-copy h3 { font-size: 1.7rem; }
.product-depth .product-module-copy .arrow-link { color: #b6d3ff; padding-top: 0; }
.product-result-section { display: grid; grid-template-columns: .88fr 1.12fr; gap: 80px; }
.product-note { font-size: 0.83rem; color: var(--muted); line-height: 1.65; }
.result-explorer { min-width: 0; border-top: 2px solid var(--ink); padding-top: 24px; }
.result-explorer > details, .faq-list > details { border-bottom: 1px solid var(--line); }
.result-explorer summary, .faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 66px; padding-block: 20px; list-style: none; cursor: pointer; font-weight: 650; font-size: 1rem; letter-spacing: -0.025em; }
.result-explorer summary::-webkit-details-marker, .faq-list summary::-webkit-details-marker { display: none; }
.result-explorer details[open] > summary, .faq-list details[open] > summary { color: var(--blue-dark); }
.result-explorer details[open] > summary .disclosure-symbol::after, .faq-list details[open] > summary .disclosure-symbol::after { transform: rotate(0deg); }
.result-explorer details > div { padding: 7px 0 24px; }
.result-explorer h3 { font-size: 1.12rem; font-weight: 600; }
.result-explorer details p, .faq-list details p { color: var(--muted); font-size: 0.9rem; line-height: 1.7; }
.result-fields { display: grid; gap: 0; margin-top: 22px; }
.result-fields > div { display: grid; grid-template-columns: 100px 1fr; gap: 15px; border-top: 1px solid var(--line); padding-block: 11px; font-size: 0.8rem; }
.result-fields dt { font-weight: 650; }
.result-fields dd { margin: 0; color: var(--muted); }
.result-explorer .arrow-link { font-size: 0.81rem; }
.product-assurance-grid, .product-advantages { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.product-assurance-grid > article, .product-advantages > article { min-width: 0; border-top: 1px solid var(--line-dark); padding-top: 22px; }
.product-assurance-grid h3, .product-advantages h3 { font-size: 1.26rem; line-height: 1.25; letter-spacing: -0.035em; margin-bottom: 15px; }
.product-assurance-grid p, .product-advantages p { color: var(--muted); font-size: 0.94rem; line-height: 1.7; }
.product-assurance-grid .arrow-link, .product-advantages .arrow-link { font-size: 0.81rem; }
.assurance-mark { display: block; color: var(--blue-dark); font-size: 2.3rem; line-height: 1; margin-bottom: 28px; }
.product-results-band { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 65px; align-items: start; }
.product-evidence-cards { display: grid; gap: 20px; }
.product-evidence-cards > a { display: block; padding: 27px; background: var(--paper); border: 1px solid var(--line); border-radius: 5px; }
.product-evidence-cards > a:hover { border-color: var(--blue); }
.product-evidence-cards > a > span { font-size: 0.76rem; color: var(--muted); }
.product-evidence-cards h3 { font-size: 1.2rem; letter-spacing: -0.025em; margin: 10px 0 23px; }
.product-evidence-cards > a > div { display: flex; gap: 22px; }
.product-evidence-cards p { display: grid; gap: 3px; margin-bottom: 17px; }
.product-evidence-cards p strong { font-size: 1.7rem; line-height: 1.1; color: var(--blue-dark); letter-spacing: -0.035em; }
.product-evidence-cards p span { font-size: 0.72rem; color: var(--muted); }
.product-evidence-cards em { font-size: 0.75rem; color: var(--blue-dark); font-style: normal; font-weight: 650; }
.product-role-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.product-role-grid > a { display: flex; flex-direction: column; padding: 30px; background: white; border: 1px solid var(--line); border-radius: 5px; }
.product-role-grid > a:hover { border-color: var(--blue); }
.product-role-grid > a > span { color: var(--blue-dark); font-size: 0.74rem; margin-bottom: 23px; }
.product-role-grid h3 { font-size: 1.3rem; line-height: 1.2; letter-spacing: -0.035em; }
.product-role-grid p { color: var(--muted); font-size: 0.92rem; line-height: 1.6; }
.product-role-grid em { font-style: normal; margin-top: auto; font-size: 0.76rem; color: var(--blue-dark); font-weight: 650; }
.product-reading-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; }
.product-reading-card { border: 1px solid var(--line); border-radius: 5px; overflow: hidden; min-width: 0; }
.product-reading-card > div { padding: 25px; }
.product-reading-card h3 { font-size: 1.2rem; line-height: 1.35; letter-spacing: -0.025em; }
.product-reading-card p:not(.eyebrow) { font-size: 0.88rem; line-height: 1.65; color: var(--muted); }
.product-reading-card .eyebrow { font-size: 0.61rem; margin-bottom: 14px; }
.article-cover-link { display: block; overflow: hidden; background: #f4edde; }
.article-cover-link .editorial-image { aspect-ratio: 1.78; height: auto; object-fit: cover; transition: transform 200ms ease; }
.article-cover-link:hover .editorial-image { transform: scale(1.035); }
.knowledge-card > .article-cover-link, .material-card > .article-cover-link { margin-bottom: 25px; border-radius: 4px; }
.article-cover { margin-top: 16px; margin-bottom: 52px; }
.article-cover .editorial-image { max-height: 370px; aspect-ratio: 2.25; border-radius: 5px; object-fit: cover; }
.article-cover figcaption { color: var(--muted); font-size: 0.7rem; margin-top: 9px; }
.article-header { padding-bottom: 15px; }
.product-faq { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.product-faq .section-heading h2 { font-size: clamp(1.8rem, 2.6vw, 2.5rem); }
.faq-list { min-width: 0; border-top: 1px solid var(--line); }
.faq-list details p { padding: 0 25px 14px 0; margin-bottom: 10px; }
.product-page-hero h1 { font-size: clamp(2.4rem, 3.9vw, 3.55rem); line-height: 1.1; letter-spacing: -0.05em; hyphens: none; }
.product-page-hero .page-lead { font-size: 1.08rem; line-height: 1.7; }
.product-page-hero .page-hero-grid.has-aside { grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.product-page-hero .product-schema { padding: 34px; }
.product-page-hero .schema-search strong { font-size: 1.1rem; }
.product-page-hero .schema-line { font-size: 0.83rem; padding-block: 15px; }
.product-page-hero .page-hero-aside > .editorial-image { border-radius: 5px; aspect-ratio: 1.25; object-fit: cover; }
.product-navigation { display: flex; flex-wrap: wrap; gap: 0 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-navigation a { padding: 17px 0; border-bottom: 2px solid transparent; margin-bottom: -1px; font-size: 0.83rem; font-weight: 550; }
.product-navigation a:hover, .product-navigation a[aria-current] { color: var(--blue-dark); border-bottom-color: var(--blue); }
.product-io { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.product-io > div { min-width: 0; }
.product-io h2 { font-size: 2rem; line-height: 1.16; letter-spacing: -0.04em; }
.product-io h3 { font-size: 1.2rem; }
.product-io p:not(.eyebrow) { color: var(--muted); line-height: 1.7; }
.product-input { border-top: 2px solid #8099ba; padding-top: 28px; }
.product-output { background: var(--blue-soft); padding: 30px; border-radius: 5px; }
.product-points { list-style: none; padding: 0; margin: 25px 0 0; }
.product-points li { position: relative; padding: 16px 0 16px 24px; border-top: 1px solid var(--line); color: var(--ink-2); line-height: 1.7; font-size: 0.94rem; }
.product-points li::before { content: ""; width: 5px; height: 5px; position: absolute; top: 26px; left: 3px; background: var(--blue); }
.product-workflow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 35px; list-style: none; padding: 0; margin: 0; }
.product-workflow > li { display: grid; grid-template-columns: 32px 1fr; gap: 18px; min-width: 0; }
.product-workflow > li > span { display: grid; place-items: center; width: 32px; height: 32px; background: var(--ink); color: white; border-radius: 50%; font-size: 0.76rem; }
.product-workflow h3 { font-size: 1.15rem; line-height: 1.3; margin-top: 3px; }
.product-workflow p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; }
.product-boundary { background: #f5f0e7; border: 1px solid #e7ddcc; border-radius: 5px; display: grid; grid-template-columns: .7fr 1.3fr; gap: 50px; padding: 35px; }
.product-boundary h2 { font-size: 1.65rem; line-height: 1.22; letter-spacing: -0.035em; }
.product-boundary p:not(.eyebrow) { color: var(--ink-2); font-size: 0.92rem; line-height: 1.7; }
.product-boundary .arrow-link { font-size: 0.83rem; }
.product-related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.product-reading-links { display: grid; grid-template-columns: .7fr 1fr 1fr; gap: 32px; margin-top: 45px; padding-top: 28px; border-top: 1px solid var(--line); }
.product-reading-links > strong { font-size: 0.87rem; }
.product-reading-links > a { display: grid; align-content: start; gap: 8px; }
.product-reading-links a span { font-size: 0.9rem; color: var(--blue-dark); font-weight: 550; }
.product-reading-links small { color: var(--muted); line-height: 1.6; font-size: 0.76rem; }
.comparison-scroll { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 5px; }
.comparison-scroll table { border-collapse: collapse; width: 100%; min-width: 680px; font-size: 0.86rem; text-align: left; }
.comparison-scroll caption { text-align: left; padding: 18px 22px; background: var(--paper); font-size: 0.76rem; color: var(--muted); }
.comparison-scroll th, .comparison-scroll td { padding: 19px 22px; vertical-align: top; border-bottom: 1px solid var(--line); line-height: 1.6; }
.comparison-scroll thead th { font-size: 0.92rem; color: var(--blue-dark); }
.comparison-scroll tbody th { width: 19%; }
.comparison-scroll td { color: var(--muted); width: 27%; }
.product-context-note { display: flex; justify-content: space-between; align-items: center; gap: 40px; padding: 30px; border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: 3px; }
.product-context-note > div { max-width: 720px; }
.product-context-note h2 { font-size: 1.3rem; }
.product-context-note p:not(.eyebrow) { font-size: 0.9rem; color: var(--muted); margin: 0; }
.product-context-note > a { font-size: 0.8rem; flex-shrink: 0; }
.product-solutions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.product-solutions-grid > article { min-width: 0; border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.product-solutions-grid > article > div { padding: 35px; }
.product-solutions-grid .editorial-image { aspect-ratio: 1.9; }
.product-solutions-grid h2 { font-size: 1.8rem; line-height: 1.2; letter-spacing: -0.035em; }
.product-solutions-grid p:not(.eyebrow) { color: var(--muted); line-height: 1.7; }
.plain-flow { padding-left: 20px; }
.plain-flow li { padding: 10px 0 10px 8px; }
.plain-flow .arrow-link { font-size: 0.88rem; }
.product-deliverable { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.product-deliverable h2 { font-size: 2.3rem; line-height: 1.16; letter-spacing: -0.04em; }
.product-deliverable > div > p:not(.eyebrow) { font-size: 1.15rem; line-height: 1.7; }
.product-deliverable .arrow-link { color: #b6d3ff; }
.product-method-steps { list-style: none; padding: 0; margin-bottom: 0; }
.product-method-steps > li { display: grid; grid-template-columns: 80px 1fr; gap: 30px; border-top: 1px solid var(--line); padding: 32px 0; }
.product-method-steps > li > span { font-size: 1rem; color: var(--blue-dark); }
.product-method-steps h2 { font-size: 1.45rem; letter-spacing: -0.03em; }
.product-method-steps p { max-width: 800px; color: var(--muted); margin: 0; line-height: 1.7; }
.demo-brief { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.demo-brief h2 { font-size: 2.5rem; line-height: 1.12; letter-spacing: -0.05em; }
.demo-brief p:not(.eyebrow) { color: var(--muted); line-height: 1.7; }
.demo-email { display: grid; gap: 5px; margin-top: 25px; }
.demo-email a { color: var(--blue-dark); font-size: 0.96rem; font-weight: 650; overflow-wrap: anywhere; }
.demo-email span { font-size: 0.75rem; }
.demo-checklist { background: white; padding: 30px; border: 1px solid var(--line); border-radius: 5px; }
.demo-checklist h3 { font-size: 1.16rem; }
.demo-checklist ol { padding-left: 22px; margin-bottom: 24px; }
.demo-checklist li { padding: 12px 0 12px 10px; border-bottom: 1px solid var(--line); }
.demo-checklist li strong, .demo-checklist li span { display: block; }
.demo-checklist li strong { font-size: 0.9rem; }
.demo-checklist li span { font-size: 0.81rem; margin-top: 5px; color: var(--muted); }
.demo-checklist > p { font-size: 0.8rem; margin: 0; }

/* Guided product journeys: sell the working result before the internal mechanism. */
.entry-journey-grid,
.journey-grid,
.outcome-card-grid,
.result-specimen-grid,
.next-action-grid {
  display: grid;
  gap: 22px;
}
.entry-journey-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.journey-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.outcome-card-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.result-specimen-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
.next-action-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.journey-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 34px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 9px;
  box-shadow: 0 15px 40px rgba(16, 33, 61, 0.055);
}
.entry-journey-grid .journey-card { min-height: 370px; padding: 42px; }
.journey-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--blue), #6fa7f0);
}
.journey-pages::before,
.journey-comparison::before { background: linear-gradient(90deg, var(--green), #75bda1); }
.journey-card h3 { max-width: 590px; margin: 8px 0 14px; font-size: clamp(1.35rem, 2vw, 2rem); line-height: 1.18; letter-spacing: -0.035em; }
.journey-card > p:not(.eyebrow) { max-width: 650px; margin: 0 0 24px; color: var(--muted); line-height: 1.7; }
.journey-card .journey-result { display: block; margin: auto 0 18px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.92rem; line-height: 1.55; }
.journey-card > small { display: block; margin: -8px 0 18px; color: var(--muted); line-height: 1.55; }
.journey-number { position: absolute; right: 28px; top: 24px; color: #c9d5e4; font-size: 2.1rem; font-weight: 750; letter-spacing: -0.06em; }

.outcome-card {
  display: flex;
  flex-direction: column;
  min-height: 270px;
  padding: 27px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 7px;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.outcome-card:hover { transform: translateY(-3px); border-color: #a9bedb; box-shadow: 0 14px 34px rgba(16, 33, 61, .08); }
.outcome-card > span { color: var(--blue-dark); font-size: .69rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.outcome-card h3 { margin: 18px 0 10px; font-size: 1.22rem; line-height: 1.22; }
.outcome-card p { margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.62; }
.outcome-card em { margin-top: auto; padding-top: 22px; color: var(--blue-dark); font-size: .78rem; font-style: normal; font-weight: 700; }
.outcome-report { grid-column: 1 / -1; min-height: 205px; color: var(--white); background: var(--ink); border-color: var(--ink); }
.outcome-report > span,
.outcome-report em { color: #9fc4ff; }
.outcome-report p { color: #d4dfed; }

.result-specimen {
  min-width: 0;
  height: 100%;
  padding: 28px;
  background: linear-gradient(145deg, #fbfcfe, #eef3f9);
  border: 1px solid #d7e0eb;
  border-radius: 8px;
  box-shadow: 0 14px 35px rgba(16, 33, 61, .07);
}
.result-specimen > div { height: 100%; }
.result-specimen h3 { margin: 6px 0 22px; font-size: 1.45rem; letter-spacing: -.035em; }
.result-specimen-compact { padding: 22px; box-shadow: none; }
.result-specimen-compact h3 { margin-bottom: 16px; font-size: 1.2rem; }
.specimen-caption { margin: 0; color: var(--blue-dark); font-size: .67rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.specimen-row,
.specimen-group,
.specimen-thread,
.specimen-kpi > span,
.specimen-files > span,
.specimen-pair > span {
  display: grid;
  gap: 5px;
  padding: 15px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.specimen-row + .specimen-row { margin-top: 10px; }
.specimen-row span,
.specimen-group span,
.specimen-thread span { color: var(--blue-dark); font-size: .78rem; font-weight: 700; }
.specimen-row strong,
.specimen-group strong,
.specimen-thread strong { font-size: .88rem; line-height: 1.42; }
.specimen-row small,
.specimen-kpi small,
.specimen-files small,
.specimen-pair small { color: var(--muted); font-size: .78rem; line-height: 1.45; }
.specimen-source-note { margin: -8px 0 12px; color: var(--muted); font-size: .78rem; font-weight: 650; }
.specimen-group { margin-bottom: 10px; border-left: 4px solid var(--green); }
.specimen-thread { border-left: 4px solid var(--blue); }
.specimen-thread p { margin: 2px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.5; }
.specimen-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
.specimen-meta span { padding: 7px 10px; background: var(--white); border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font-size: .76rem; }
.result-specimen blockquote { margin: 0 0 12px; padding: 15px; background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: 6px; font-size: .82rem; line-height: 1.55; }
.specimen-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.specimen-pair strong { font-size: .78rem; }
.specimen-kpi,
.specimen-files { display: grid; gap: 8px; }
.specimen-kpi > span { grid-template-columns: 1fr auto; align-items: center; }
.specimen-kpi small { grid-column: 1 / -1; }
.specimen-status { padding: 4px 7px; border-radius: 4px; font-size: .72rem; font-style: normal; font-weight: 750; }
.status-good { color: var(--green); background: var(--green-soft); }
.status-check { color: #8b5d10; background: #fff4d6; }
.status-none { color: var(--muted); background: var(--paper-2); }
.specimen-files { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.specimen-files > span { padding: 13px 10px; text-align: center; }
.specimen-files b { font-size: .78rem; }
.specimen-foot { margin: 14px 0 0; color: var(--muted); font-size: .74rem; }

.home-result-showcase > .section-heading { max-width: 870px; }
.home-proof-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 70px; align-items: start; }
.home-proof-layout .product-evidence-cards { margin-top: 0; }
.trust-line { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 24px; }
.trust-line span { padding: 8px 11px; border: 1px solid rgba(255,255,255,.22); border-radius: 99px; color: #dbe6f5; font-size: .72rem; }

.capability-flow { display: grid; gap: 18px; }
.capability-flow > div { display: grid; grid-template-columns: 170px 1fr; gap: 24px; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 8px; }
.capability-flow > div > span { color: var(--blue-dark); font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.capability-flow > div > div { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.capability-flow .product-module-card { min-height: 100%; border: 0; border-left: 1px solid var(--line); border-radius: 0; box-shadow: none; }
.capability-flow .product-module-copy { padding: 0 15px; }
.capability-flow .product-module-copy h3 { font-size: 1.03rem; }
.capability-flow .product-module-copy p { font-size: .78rem; }

.product-input-details { margin-top: 26px; border-top: 1px solid var(--line); }
.product-input-details summary { display: flex; justify-content: space-between; gap: 12px; padding: 18px 0; cursor: pointer; font-weight: 700; }
.product-input-details .product-points { margin-top: 0; }
.next-action-grid > a { display: grid; gap: 8px; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 7px; }
.next-action-grid > a strong { font-size: 1.05rem; }
.next-action-grid > a span { color: var(--muted); font-size: .84rem; }

.solution-storyboard { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.solution-storyboard > li { display: grid; grid-template-columns: 48px minmax(0, .8fr) minmax(300px, 1fr); gap: 28px; align-items: center; padding: 38px 0; border-bottom: 1px solid var(--line); }
.solution-storyboard > li > span { align-self: start; color: var(--blue-dark); font-size: .8rem; font-weight: 800; }
.solution-storyboard h2 { margin: 0 0 10px; font-size: 1.55rem; }
.solution-storyboard p { color: var(--muted); line-height: 1.65; }

.reading-path { display: flex; flex-direction: column; padding: 27px; background: var(--white); border: 1px solid var(--line); border-radius: 7px; }
.reading-path-heading { display: grid; gap: 9px; }
.reading-path-heading > strong { font-size: 1.25rem; line-height: 1.25; }
.reading-path-heading > span { color: var(--muted); font-size: .84rem; line-height: 1.6; }
.reading-path ol { flex: 1; margin-top: 24px; }
.reading-path > .arrow-link { margin-top: 10px; }
.topic-library { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.topic-library > summary { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; cursor: pointer; font-weight: 750; }
.topic-library .topic-directory { padding-bottom: 28px; }
.article-capability { display: flex; justify-content: space-between; align-items: center; gap: 40px; max-width: var(--shell); margin: 0 auto; padding: 34px max(var(--gutter), calc((100% - var(--shell)) / 2)); background: var(--ink); color: var(--white); }
.article-capability > div { max-width: 720px; }
.article-capability h2 { margin: 5px 0 8px; font-size: 1.8rem; }
.article-capability p:not(.eyebrow) { margin: 0; color: #d5dfec; font-size: .86rem; line-height: 1.6; }
.article-capability .button { flex-shrink: 0; background: var(--white); }
.next-reading-grid-single { grid-template-columns: minmax(0, 620px); }
.comparison-hint { display: none; margin: -10px 0 14px; color: var(--muted); font-size: .78rem; }

@media (max-width: 1100px) {
  .product-home-grid { gap: 32px; }
  .product-home-copy h1 { font-size: 3.3rem; }
  .product-module-copy { padding: 22px; }
  .product-schema { padding: 19px; }
  .product-module-copy h3 { font-size: 1.25rem; }
  .product-depth, .product-result-section, .product-results-band, .product-faq, .product-page-hero .page-hero-grid.has-aside, .product-io, .product-deliverable, .demo-brief { gap: 40px; }
  .product-context-note { flex-direction: column; align-items: flex-start; gap: 20px; }
  .outcome-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .home-proof-layout { gap: 40px; }
}
@media (max-width: 820px) {
  .product-home-grid { grid-template-columns: 1fr; gap: 35px; }
  .product-home-copy h1 { font-size: 3.4rem; max-width: 600px; }
  .product-hero-art { display: grid; grid-template-columns: 1.1fr 1fr; }
  .product-hero-art .editorial-image { height: 100%; aspect-ratio: auto; }
  .product-hero-art-caption { padding: 25px; }
  .product-modules-grid { grid-template-columns: 1fr; }
  .product-modules-grid .product-module-card { display: grid; grid-template-columns: .85fr 1.15fr; }
  .product-module-card > .product-schema { border-radius: 6px 0 0 6px; min-height: auto; }
  .product-depth, .product-result-section, .product-results-band, .product-faq, .product-page-hero .page-hero-grid.has-aside, .product-io, .product-deliverable, .demo-brief { grid-template-columns: 1fr; gap: 32px; }
  .product-depth .editorial-image { max-height: 290px; }
  .product-depth-list { grid-template-columns: 1fr; }
  .product-assurance-grid, .product-advantages { gap: 24px; }
  .product-workflow { grid-template-columns: 1fr; gap: 26px; }
  .product-boundary { grid-template-columns: 1fr; gap: 15px; }
  .product-role-grid { grid-template-columns: 1fr; }
  .product-role-grid > a { padding: 25px; }
  .product-role-grid > a > span { margin-bottom: 12px; }
  .product-reading-grid { grid-template-columns: 1fr 1fr; }
  .product-reading-grid > :last-child:nth-child(odd) { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; }
  .product-reading-grid > :last-child:nth-child(odd) .editorial-image { height: 100%; }
  .product-navigation { gap: 0 22px; }
  .product-navigation a { padding-block: 14px; }
  .product-reading-links { grid-template-columns: 1fr 1fr; }
  .product-reading-links > strong { grid-column: 1 / -1; }
  .product-solutions-grid { gap: 20px; }
  .product-solutions-grid > article > div { padding: 25px; }
  .product-page-hero .page-hero-aside > .editorial-image { max-height: 300px; aspect-ratio: 1.9; }
  .entry-journey-grid, .journey-grid, .result-specimen-grid, .home-proof-layout { grid-template-columns: 1fr; }
  .outcome-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .comparison-hint { display: block; }
  .entry-journey-grid .journey-card { min-height: auto; padding: 34px; }
  .capability-flow > div { grid-template-columns: 1fr; }
  .capability-flow > div > div { grid-template-columns: 1fr 1fr; }
  .solution-storyboard > li { grid-template-columns: 38px 1fr; }
  .solution-storyboard .result-specimen { grid-column: 2; }
  .article-capability { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 560px) {
  .product-home-hero { padding: 32px 0; }
  .product-home-copy h1 { font-size: clamp(1.95rem, 8.25vw, 2.8rem); line-height: 1.12; letter-spacing: -0.045em; }
  .product-home-copy .eyebrow { font-size: 0.6rem; }
  .product-home-copy .home-lead { font-size: 0.97rem; }
  .product-hero-art { grid-template-columns: 1fr; }
  .product-hero-art .editorial-image { aspect-ratio: 1.7; height: auto; }
  .product-hero-art-caption { padding: 23px; }
  .product-hero-art-caption strong { font-size: 1.65rem; }
  .product-hero-art-caption strong br { display: none; }
  .product-hero-art-caption p { font-size: 0.83rem; }
  .product-proof-strip { grid-template-columns: 1fr; gap: 16px; padding-block: 22px; }
  .product-proof-strip > div { gap: 4px; }
  .product-proof-strip strong { font-size: 0.94rem; }
  .product-proof-strip span { font-size: 0.76rem; }
  .product-modules-grid .product-module-card { display: flex; }
  .product-module-card > .product-schema { border-radius: 6px 6px 0 0; padding: 22px; }
  .product-module-copy { padding: 24px; }
  .product-module-copy h3 { font-size: 1.4rem; }
  .product-module-copy .arrow-link { font-size: 0.78rem; }
  .product-assurance-grid, .product-advantages, .product-reading-grid, .product-related-grid, .product-solutions-grid { grid-template-columns: 1fr; gap: 25px; }
  .product-reading-grid > :last-child:nth-child(odd) { display: block; grid-column: auto; }
  .product-reading-grid > :last-child:nth-child(odd) .editorial-image { height: auto; }
  .assurance-mark { margin-bottom: 18px; }
  .product-result-section, .product-results-band, .product-faq { gap: 20px; }
  .product-evidence-cards > a { padding: 24px; }
  .product-evidence-cards > a > div { flex-wrap: wrap; }
  .result-fields > div { grid-template-columns: 78px 1fr; gap: 12px; font-size: 0.76rem; }
  .result-explorer summary, .faq-list summary { font-size: 0.94rem; padding-block: 18px; }
  .faq-list details p { padding-right: 0; }
  .product-page-hero h1 { font-size: clamp(1.9rem, 8.2vw, 2.8rem); line-height: 1.14; }
  .product-page-hero .page-lead { font-size: 0.97rem; }
  .product-page-hero .product-schema { padding: 24px; }
  .product-page-hero .schema-line { font-size: 0.75rem; }
  .product-navigation { gap: 0 18px; }
  .product-navigation a { font-size: 0.75rem; padding-block: 12px; }
  .product-io h2, .product-faq .section-heading h2, .product-deliverable h2 { font-size: 1.75rem; line-height: 1.18; }
  .product-output { padding: 24px; }
  .product-points li { font-size: 0.9rem; }
  .product-boundary { padding: 25px; gap: 12px; }
  .product-boundary h2 { font-size: 1.5rem; }
  .product-reading-links { grid-template-columns: 1fr; gap: 24px; }
  .product-context-note { padding: 24px; }
  .product-context-note > a { flex-shrink: 1; }
  .product-method-steps > li { grid-template-columns: 30px 1fr; gap: 18px; padding: 26px 0; }
  .product-method-steps h2 { font-size: 1.18rem; }
  .product-method-steps p { font-size: 0.91rem; }
  .product-solutions-grid h2 { font-size: 1.55rem; }
  .demo-brief h2 { font-size: 2rem; }
  .demo-checklist { padding: 23px; }
  .article-cover { margin-block: 10px 32px; }
  .article-cover .editorial-image { aspect-ratio: 1.65; }
  .article-header { padding-top: 28px; }
  .article-header h1 { font-size: clamp(1.75rem, 7.5vw, 2.3rem); line-height: 1.18; hyphens: none; }
  .outcome-card-grid, .next-action-grid, .capability-flow > div > div { grid-template-columns: 1fr; }
  .outcome-card { min-height: 0; padding: 20px; }
  .outcome-card h3 { margin: 10px 0 8px; }
  .outcome-card em { padding-top: 14px; }
  .outcome-report { min-height: 0; }
  .journey-card { padding: 26px; }
  .journey-card h3 { padding-right: 26px; font-size: 1.4rem; }
  .result-specimen { padding: 22px; }
  .result-specimen h3 { font-size: 1.25rem; }
  .specimen-files { grid-template-columns: 1fr; }
  .specimen-pair { grid-template-columns: 1fr; }
  .solution-storyboard > li { grid-template-columns: 28px 1fr; gap: 16px; }
  .solution-storyboard .result-specimen { grid-column: 1 / -1; }
  .article-capability { margin-inline: var(--gutter); padding: 27px; }
  .article-capability h2 { font-size: 1.45rem; }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .cta-section,
  .article-toc,
  .hero-actions {
    display: none !important;
  }

  body {
    color: #000000;
    background: #ffffff;
  }

  .article-layout {
    display: block;
  }
}