/* Cognitive Capital, design system v2 */

:root {
  /* Colors */
  --paper: #fcfdfb;
  --ink: #181a20;
  --periwinkle: #9d8cff;
  --lavender: #efecff;
  --violet-gray: #f1f0f8;
  --slate: #585a5e;
  --gray: #8a8c8e;
  --border-gray: #d0d4d0;
  --ink-muted: #b9bbbe;
  --advantage: #2f6b52;
  --risk: #b83a3a;

  /* Typography */
  --font-display: "Gabarito", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --font-note: "Caveat", cursive;

  /* Layout */
  --layout-max: 75rem;
  --gutter: 3rem;
  --gutter-mobile: 1.5rem;
  --section-padding: 6rem;
  --section-padding-lg: 6.5rem;
  --section-padding-mobile: 4rem;
  --nav-height: 4rem;

  /* Borders & shadows */
  --border-width: 2px;
  --border-width-card: 2.5px;
  --shadow-offset: 6px;
  --radius-sm: 9px;
  --radius-md: 12px;
  --radius-lg: 14px;
  --radius-xl: 16px;
}

/* Reset & base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--periwinkle);
  outline-offset: 3px;
}

input,
textarea,
button {
  font-family: var(--font-body);
}

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

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

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

/* Layout */
.container {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding: var(--section-padding) var(--gutter);
}

.section--lg {
  padding-top: var(--section-padding-lg);
  padding-bottom: var(--section-padding-lg);
}

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

.section--violet {
  background: var(--violet-gray);
}

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

.section-divider {
  border-top: var(--border-width) solid var(--ink);
}

.section-padded {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

/* Typography */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}

.eyebrow--accent {
  color: var(--periwinkle);
}

.heading-hero {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.heading-xl {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.heading-lg {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--ink);
}

.body-lg {
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--slate);
}

.body-md {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--slate);
}

.body-sm {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--slate);
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--slate);
}

.text-on-dark {
  color: var(--ink-muted);
}

/* Scribble underline */
.scribble-underline {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.scribble-underline svg {
  position: absolute;
  left: -4px;
  right: -4px;
  bottom: -14px;
  width: calc(100% + 8px);
  height: 16px;
  overflow: visible;
  pointer-events: none;
}

/* Buttons */
.btn {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 0.9375rem 1.75rem;
  border-radius: 10px;
  border: var(--border-width) solid transparent;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn--primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--periwinkle);
}

.btn--primary:hover {
  color: #fff;
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--periwinkle);
}

.btn--secondary {
  background: #fff;
  color: var(--ink);
  border-color: var(--ink);
}

.btn--secondary:hover {
  background: var(--lavender);
}

.btn--nav {
  font-size: 0.875rem;
  padding: 0.75rem 1.375rem;
  border-radius: var(--radius-sm);
  box-shadow: 4px 4px 0 var(--periwinkle);
}

.btn--nav:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--periwinkle);
}

.btn--periwinkle {
  background: var(--periwinkle);
  color: var(--ink);
  border-color: var(--periwinkle);
}

.btn--periwinkle:hover {
  color: var(--ink);
  transform: translateY(-2px);
}

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn--sm {
  font-size: 0.875rem;
  padding: 0.875rem 1.625rem;
}

/* Badges & pills */
.badge-num {
  width: 1.625rem;
  height: 1.625rem;
  flex: none;
  border-radius: 50%;
  background: var(--periwinkle);
  border: var(--border-width) solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--ink);
}

.badge-num--lg {
  width: 2.5rem;
  height: 2.5rem;
  font-size: 0.9375rem;
}

.badge-num--lavender {
  background: var(--lavender);
}

.author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate);
}

.pill {
  font-size: 0.71875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  border: 1.5px solid var(--border-gray);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}

.pill--tag {
  letter-spacing: 0.1em;
  color: var(--gray);
  padding: 0.1875rem 0.625rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Cards */
.card {
  background: #fff;
  border: var(--border-width-card) solid var(--ink);
  border-radius: var(--radius-lg);
}

.card--shadow {
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--periwinkle);
}

.card--shadow-lg {
  box-shadow: 7px 7px 0 var(--periwinkle);
}

.card--highlight {
  background: var(--lavender);
}

.card--interactive {
  transition: background 150ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.card--interactive:hover {
  background: var(--lavender);
}

.card--interactive-shadow:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--periwinkle);
}

/* Forms */
.form-field {
  width: 100%;
  border: var(--border-width) solid var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.8125rem 1rem;
  font-size: 0.9375rem;
  background: var(--paper);
  color: var(--ink);
}

.form-field::placeholder {
  color: var(--gray);
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-submit {
  align-self: flex-start;
}

/* Site header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: var(--border-width) solid var(--ink);
}

.site-header__inner {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1875rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  flex-shrink: 0;
}

.site-logo__dot {
  color: var(--periwinkle);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate);
  transition: color 150ms ease;
}

.site-nav__link:hover {
  color: var(--ink);
}

.site-nav__cta {
  margin-left: 0.25rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: var(--border-width) solid var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}

/* Hero */
.hero {
  background: var(--paper);
}

.hero__grid {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 6rem var(--gutter) 6.5rem;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.hero__eyebrow {
  margin-bottom: 1.25rem;
}

.hero__sub {
  margin-top: 1.625rem;
  max-width: 32.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.125rem;
}

.start-card {
  padding: 0.625rem;
}

.start-card__label {
  padding: 1rem 1.125rem 0.5rem;
}

.start-list {
  display: flex;
  flex-direction: column;
}

.start-item {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  padding: 0.875rem 1.125rem;
  border-radius: var(--radius-md);
  transition: background 150ms ease;
}

.start-item:hover {
  background: var(--lavender);
}

.start-item__content {
  flex: 1;
  min-width: 0;
}

.start-item__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.2;
  margin-bottom: 0.1875rem;
  color: var(--ink);
}

.start-item__desc {
  display: block;
  font-size: 0.84375rem;
  line-height: 1.5;
  color: var(--slate);
}

.start-item__tag {
  flex: none;
  margin-top: 0.125rem;
}

/* Who we serve */
.serve__header {
  margin-bottom: 3rem;
}

.serve__eyebrow {
  margin-bottom: 0.875rem;
}

.serve__headline {
  max-width: 37.5rem;
  margin: 0 auto;
}

.serve__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  max-width: 61.25rem;
  margin: 0 auto;
}

.serve-card {
  padding: 1.875rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.serve-card__title {
  margin-bottom: 0.625rem;
}

.serve-card__desc {
  margin-bottom: 1.125rem;
}

/* Thesis */
.thesis__grid {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: var(--section-padding-lg) var(--gutter);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
  align-items: start;
}

.thesis__sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.thesis__eyebrow {
  margin-bottom: 0.875rem;
}

.thesis__heading {
  margin-bottom: 1.25rem;
}

.thesis__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.thesis__body {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.thesis__callout {
  padding: 1.5rem 1.625rem;
}

.thesis__callout p {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--ink);
}

/* Sequence (dark band) */
.sequence__inner {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: var(--section-padding) var(--gutter);
}

.sequence__eyebrow {
  margin-bottom: 0.875rem;
}

.sequence__heading {
  max-width: 45rem;
  margin-bottom: 1.25rem;
  color: #fff;
}

.sequence__intro {
  max-width: 40rem;
  margin-bottom: 3rem;
}

.sequence__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.75rem;
}

.sequence-card {
  padding: 1.125rem 1.375rem;
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
}

.sequence-card p strong {
  color: var(--ink);
  font-weight: 700;
}

.sequence__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.75rem;
}

/* Capital chain */
.chain__grid {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: var(--section-padding-lg) var(--gutter);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.chain-diagram {
  display: flex;
  flex-direction: column;
  max-width: 22.5rem;
}

.chain-step {
  display: flex;
  flex-direction: column;
}

.chain-step__box {
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-radius: var(--radius-md);
  box-shadow: 5px 5px 0 var(--periwinkle);
}

.chain-step__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--periwinkle);
  border: var(--border-width) solid var(--ink);
  flex: none;
}

.chain-step__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
}

.chain-step__arrow {
  width: 20px;
  height: 26px;
  margin: 0.25rem 0 0.25rem 2.125rem;
}

.chain__eyebrow {
  margin-bottom: 0.875rem;
}

.chain__heading {
  margin-bottom: 1.375rem;
}

.chain__desc {
  margin-bottom: 1.75rem;
}

/* About */
.about__grid {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: var(--section-padding-lg) var(--gutter);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
}

.about__eyebrow {
  margin-bottom: 0.875rem;
}

.about__heading {
  margin-bottom: 1.5rem;
}

.about__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about__cta {
  margin-top: 1.75rem;
}

.contact-card {
  padding: 1.75rem;
}

.contact-card__eyebrow {
  margin-bottom: 0.375rem;
  letter-spacing: 0.12em;
}

.contact-card__intro {
  margin-bottom: 1.25rem;
}

/* Footer */
.site-footer {
  background: var(--paper);
  border-top: var(--border-width) solid var(--ink);
}

.site-footer__inner {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 2.25rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer__text {
  font-size: 0.875rem;
  color: var(--slate);
}

.site-footer__text a {
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: border-color 150ms ease;
}

.site-footer__text a:hover {
  border-bottom-color: var(--periwinkle);
}

.site-footer__copy {
  font-size: 0.875rem;
  color: var(--gray);
}

/* Inner pages */
.page-main {
  padding-bottom: var(--section-padding);
}

.page-header {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 5rem var(--gutter) 4rem;
}

.page-header__eyebrow {
  margin-bottom: 1rem;
}

.page-header__title {
  margin-bottom: 1.25rem;
  max-width: 40rem;
}

.page-header__intro {
  max-width: 42rem;
}

.site-nav__link--active {
  color: var(--ink);
}

.resource-block {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.resource-block__label {
  margin-bottom: 1.5rem;
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.framework-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  height: 100%;
}

.framework-card__meta {
  font-size: 0.71875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}

.framework-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--ink);
}

.framework-card__desc {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--slate);
  flex: 1;
}

.framework-card__link {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  transition: color 150ms ease;
}

.framework-card:hover .framework-card__link {
  color: var(--ink);
}

.promo-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.promo-card {
  padding: 2rem 2.25rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.promo-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.promo-card__desc {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--slate);
  max-width: 42rem;
}

.promo-card__action {
  flex-shrink: 0;
}

/* Framework / prose pages */
.prose-wrap {
  max-width: 52rem;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.content-wrap {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.prose-section {
  padding: var(--section-padding) 0;
}

.prose-section--compact {
  padding-top: 0;
  padding-bottom: var(--section-padding);
}

.prose-section__eyebrow {
  margin-bottom: 1rem;
}

.prose-section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 1rem;
}

.prose-section__lead {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
  margin-bottom: 1.5rem;
}

.prose-section__lead:last-child {
  margin-bottom: 0;
}

.prose-section__note {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
  margin-top: 1.5rem;
}

.ref-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 1.25rem 1.5rem;
  margin-top: -1rem;
  transition: background 150ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.ref-card:hover {
  background: var(--lavender);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--periwinkle);
}

.ref-card__label {
  font-size: 0.71875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

.ref-card__text {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--slate);
}

.ref-card__cta {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin-top: 0.25rem;
}

.examples-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.examples-list li {
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--slate);
  background: #fff;
  border: var(--border-width-card) solid var(--ink);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 var(--periwinkle);
}

.examples-list li::before {
  content: "→ ";
  font-weight: 700;
  color: var(--periwinkle);
}

.trap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.trap-box {
  padding: 1.25rem 1.125rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: 4px 4px 0 var(--periwinkle);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.trap-box:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--periwinkle);
}

.trap-box__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--gray);
}

.trap-box__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.2;
  color: var(--ink);
}

.trap-box__desc {
  font-size: 0.84375rem;
  line-height: 1.5;
  color: var(--slate);
}

.trap-box__text {
  font-size: 0.84375rem;
  line-height: 1.5;
  color: var(--slate);
  margin: 0;
}

.trap-box .trap-card__label {
  margin-top: 0.375rem;
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.domain-box {
  padding: 1.25rem 1.125rem;
  box-shadow: 4px 4px 0 var(--periwinkle);
}

.domain-box__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.35rem;
}

.domain-box__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.domain-box__question {
  font-size: 0.84375rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--slate);
}

.layer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.layer-card {
  padding: 1.75rem;
}

.layer-card__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.layer-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.layer-card__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--slate);
}

.section-cta-card {
  padding: 2rem 2.25rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

/* Prose body copy */
.prose-body p {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--slate);
  margin-bottom: 1.35rem;
}

.prose-body p:last-child {
  margin-bottom: 0;
}

.prose-body p strong {
  color: var(--ink);
  font-weight: 600;
}

.proposition-card {
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}

.proposition-card p {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--ink);
  margin: 0;
}

/* EM / EF pole comparison */
.pole-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.pole-card {
  padding: 1.75rem 2rem;
}

.pole-card__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.6rem;
  display: block;
}

.pole-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.pole-card__desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--slate);
}

/* Four archetype configurations */
.archetype-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.archetype-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 4px 4px 0 var(--periwinkle);
}

.archetype-card__notation {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}

.archetype-card__descriptor {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--periwinkle);
}

.archetype-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-top: 0.85rem;
  border-top: var(--border-width) solid var(--border-gray);
  margin-top: 0.25rem;
}

.archetype-card__meta span {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--slate);
}

.archetype-card__meta strong {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
}

/* Horizontal causal chain */
.chain-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2.5rem 0;
}

.chain-step-card {
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: 4px 4px 0 var(--periwinkle);
}

.chain-step-card__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--gray);
}

.chain-step-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.25;
  color: var(--ink);
}

.chain-step-card__desc {
  font-size: 0.84375rem;
  line-height: 1.65;
  color: var(--slate);
  flex: 1;
}

.chain-step-card__tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--periwinkle);
  margin-top: 0.5rem;
}

.prose-constrained {
  max-width: 52rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2rem;
}

.cta-row--after-list {
  margin-top: 3rem;
}

.audience-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2rem;
}

/* Diagnostic landing */
.diagnostic-hero {
  padding: 5rem 0 4.5rem;
}

.diagnostic-hero__grid {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.diagnostic-hero__content {
  max-width: 38rem;
}

.diagnostic-hero__eyebrow {
  margin-bottom: 1rem;
}

.diagnostic-hero__title {
  margin-bottom: 1.5rem;
  max-width: 43.75rem;
}

.diagnostic-hero__meta {
  margin-top: 1rem;
  color: var(--gray);
  max-width: 28rem;
}

.diagnostic-hero__title-accent {
  color: var(--periwinkle);
}

.diagnostic-hero__intro {
  max-width: 38rem;
  margin-bottom: 1.75rem;
}

.diagnostic-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 1.5rem;
  margin-bottom: 0;
}

.diagnostic-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--slate);
}

.diagnostic-checklist__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  border-radius: 4px;
  background: var(--periwinkle);
  display: grid;
  place-items: center;
}

.diagnostic-checklist__icon svg {
  width: 0.75rem;
  height: 0.75rem;
  display: block;
}

.diagnostic-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.diagnostic-radar-card {
  width: 100%;
  max-width: 28rem;
  padding: 1.75rem 1.25rem 1.5rem;
}

.diagnostic-radar {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.diagnostic-radar__grid polygon {
  fill: none;
  stroke: var(--border-gray);
  stroke-width: 1;
  opacity: 0.85;
}

.diagnostic-radar__axes line {
  stroke: var(--border-gray);
  stroke-width: 1;
  opacity: 0.65;
}

.diagnostic-radar__shape {
  fill: rgba(157, 140, 255, 0.28);
  stroke: var(--periwinkle);
  stroke-width: 2.5;
  stroke-linejoin: round;
}

.diagnostic-radar__dots circle {
  fill: var(--periwinkle);
  stroke: #fff;
  stroke-width: 2;
}

.diagnostic-radar__labels text {
  font-family: var(--font-body);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  fill: var(--slate);
}

.diagnostic-hero__time-note {
  margin-top: 0.875rem;
  margin-right: 0;
  align-self: flex-start;
}

.handwritten-note {
  font-family: var(--font-note);
  font-weight: 700;
  font-size: clamp(1.375rem, 2vw, 1.625rem);
  color: var(--periwinkle);
  transform: rotate(-2deg);
  margin-top: 0.75rem;
  margin-right: 0.5rem;
}

.diagnostic-hero .audience-hero__actions {
  margin-top: 0;
}

/* Diagnostic landing — results, traps, process, FAQ, final CTA */
.result-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
  max-width: 52rem;
}

.result-card {
  padding: 1rem 1.375rem;
  display: grid;
  grid-template-columns: minmax(11rem, 0.34fr) 1fr;
  gap: 0.75rem 1.5rem;
  align-items: center;
}

.result-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
}

.result-card__desc {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--slate);
  margin: 0;
}

.trap-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.trap-card {
  padding: 1.375rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.trap-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.375rem;
}

.trap-card__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 0.25rem;
}

.trap-card__text {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--slate);
}

.trap-card__label--strength {
  color: var(--advantage);
}

.trap-card__label--risk {
  color: var(--risk);
}

.prose-section__note a {
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid transparent;
  transition: border-color 150ms ease;
}

.prose-section__note a:hover {
  border-bottom-color: var(--periwinkle);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.process-step {
  padding: 1.5rem 1.375rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.process-step__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--periwinkle);
  letter-spacing: 0.06em;
}

.process-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.2;
  color: var(--ink);
}

.process-step__desc {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--slate);
}

.process-details {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  background: #fff;
  border: var(--border-width-card) solid var(--ink);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 var(--periwinkle);
  display: grid;
  gap: 0.75rem;
}

.process-details__row {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
}

.process-details dt {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

.process-details dd {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--slate);
  margin: 0;
}

.faq-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: var(--border-width) solid var(--border-gray);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item__question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.35;
  color: var(--ink);
  padding: 1.125rem 1.25rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--periwinkle);
  line-height: 1;
}

.faq-item[open] .faq-item__question::after {
  content: "−";
}

.faq-item__question:hover {
  background: var(--lavender);
}

.faq-item__question:focus {
  outline: none;
}

.faq-item__question:focus-visible {
  outline: 3px solid var(--periwinkle);
  outline-offset: 2px;
}

.faq-item__answer {
  padding: 0 1.25rem 1.125rem;
}

.faq-item__answer p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--slate);
  margin: 0;
}

.diagnostic-final {
  padding: var(--section-padding) 0;
}

.diagnostic-final__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: start;
}

.diagnostic-final__cta {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.diagnostic-final__cta-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.diagnostic-final__cta-desc {
  color: var(--slate);
}

.diagnostic-final__qualification {
  color: var(--gray);
  margin-top: 0.25rem;
}

.pattern-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.pattern-list li {
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--slate);
  background: #fff;
  border: var(--border-width-card) solid var(--ink);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 var(--periwinkle);
}

.pattern-list li::before {
  content: "→ ";
  font-weight: 700;
  color: var(--periwinkle);
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.application-card {
  padding: 1.75rem;
}

.application-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.application-card__desc {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--slate);
}

.note-card {
  padding: 1.5rem 1.75rem;
  margin-top: 2rem;
}

.note-card__text {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--slate);
  font-style: italic;
}

.promo-card__meta {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--gray);
  margin-bottom: 1rem;
}

/* Cognitive Friction Matrix */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 1.5rem;
  transition: color 150ms ease, gap 150ms ease;
}

.back-link:hover {
  color: var(--ink);
  gap: 0.625rem;
}

.premise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 2rem 0 0;
}

.premise-card {
  padding: 1.75rem;
}

.premise-card__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.75rem;
}

.premise-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.85rem;
}

.premise-card__desc {
  font-size: 0.97rem;
  line-height: 1.7;
  color: var(--slate);
}

.matrix-intro {
  margin-bottom: 0;
}

.matrix-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-gray);
}

.matrix-intro-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.matrix-intro-list li {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--slate);
  padding-left: 1rem;
  position: relative;
}

.matrix-intro-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--periwinkle);
}

.matrix-intro-list li strong {
  color: var(--ink);
  font-weight: 600;
}

.prose-section__lead strong {
  color: var(--ink);
  font-weight: 600;
}

.matrix-desktop {
  display: block;
}

.matrix-mobile {
  display: none;
}

.matrix-grid {
  display: grid;
  grid-template-columns: 9.5rem 1fr 1fr;
  gap: 1rem;
}

.matrix-grid__corner {
  min-height: 1px;
}

.matrix-col-header,
.matrix-row-label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  justify-content: center;
  background: transparent;
  border: none;
}

.matrix-row-label {
  padding: 1rem 0.75rem 1rem 0;
}

.matrix-col-header {
  padding: 1rem 1.25rem 1rem calc(1.25rem + var(--border-width-card));
  text-align: left;
  align-items: flex-start;
}

.matrix-axis-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}

.matrix-axis-name {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.3;
}

.matrix-axis-sub {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--slate);
}

.matrix-cell {
  padding: 1.35rem 1.25rem 1.5rem;
  background: #fff;
  box-shadow: 4px 4px 0 var(--periwinkle);
}

.matrix-cell__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.matrix-cell__status {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--periwinkle);
  padding-bottom: 0.7rem;
  margin-bottom: 0.7rem;
  border-bottom: var(--border-width) solid var(--border-gray);
}

.matrix-cell__desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--slate);
}

.matrix-legend {
  padding: 1.15rem 1.25rem;
  margin-bottom: 1rem;
}

.matrix-legend__title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.85rem;
}

.matrix-legend__block {
  margin-bottom: 0.85rem;
}

.matrix-legend__block:last-child {
  margin-bottom: 0;
}

.matrix-legend__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.matrix-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.matrix-mcard {
  overflow: hidden;
  box-shadow: 4px 4px 0 var(--periwinkle);
}

.matrix-mcard__inner {
  padding: 1.15rem 1.25rem 1.25rem;
}

.matrix-mcard__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.1;
  color: var(--ink);
  margin-top: 0.75rem;
}

.matrix-mcard__status {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--periwinkle);
  padding-bottom: 0.75rem;
  margin-top: 0.35rem;
  margin-bottom: 0.75rem;
  border-bottom: var(--border-width) solid var(--border-gray);
}

.quadrant-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.qcard {
  overflow: hidden;
  box-shadow: 5px 5px 0 var(--periwinkle);
}

.qcard__header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.1rem 1.5rem;
  border-bottom: var(--border-width) solid var(--ink);
  background: var(--paper);
}

.qcard--target .qcard__header {
  background: var(--lavender);
}

.qcard__meta {
  flex: 1;
  min-width: 0;
}

.qcard__status {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--periwinkle);
  margin-bottom: 0.15rem;
}

.qcard--target .qcard__status {
  color: var(--ink);
}

.qcard__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--ink);
}

.qcard__coords {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--slate);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  text-align: right;
}

.mini-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 3.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  border: var(--border-width) solid var(--ink);
  padding: 2px;
  background: var(--paper);
}

.mini-matrix__cell {
  background: var(--violet-gray);
  border-radius: 1px;
}

.mini-matrix__cell--active {
  background: var(--periwinkle);
}

.qcard__body {
  padding: 1.5rem 1.5rem 1.75rem;
  background: #fff;
}

.qcard__body p {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--slate);
  margin-bottom: 0.9rem;
}

.qcard__body p:last-child {
  margin-bottom: 0;
}

.clarifications-card {
  margin-top: 1.5rem;
  overflow: hidden;
}

.clarifications-card__header {
  padding: 1.25rem 1.5rem;
  border-bottom: var(--border-width) solid var(--ink);
  background: var(--violet-gray);
}

.clarifications-list {
  list-style: none;
}

.clarifications-list li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-gray);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--slate);
  background: #fff;
}

.clarifications-list li:last-child {
  border-bottom: none;
}

.clarifications-list__no {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--gray);
  flex-shrink: 0;
}

.questions-card {
  margin-top: 1.5rem;
  overflow: hidden;
}

.questions-card__row {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-gray);
  background: #fff;
}

.questions-card__row:last-child {
  border-bottom: none;
}

.questions-card__who {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.35rem;
  padding-left: 1.75rem;
}

.questions-card__line {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.questions-card__yes {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--periwinkle);
  flex-shrink: 0;
}

.questions-card__q {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--slate);
}

/* Mobile nav panel */
@media (max-width: 1100px) {
  .trap-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  :root {
    --gutter: var(--gutter-mobile);
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: var(--border-width) solid var(--ink);
    padding: 1rem var(--gutter-mobile) 1.25rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-gray);
  }

  .site-nav__link:last-of-type {
    border-bottom: none;
  }

  .site-nav__cta {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
  }

  .site-header {
    position: sticky;
  }

  .site-header__inner {
    position: relative;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    padding-top: 4rem;
    padding-bottom: 4rem;
    gap: 2.5rem;
  }

  .hero__sub {
    font-size: 1.125rem;
  }

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

  .thesis__grid {
    grid-template-columns: 1fr;
    padding-top: var(--section-padding-mobile);
    padding-bottom: var(--section-padding-mobile);
    gap: 2.5rem;
  }

  .thesis__sidebar {
    position: static;
  }

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

  .sequence__inner {
    padding-top: var(--section-padding-mobile);
    padding-bottom: var(--section-padding-mobile);
  }

  .chain__grid {
    grid-template-columns: 1fr;
    padding-top: var(--section-padding-mobile);
    padding-bottom: var(--section-padding-mobile);
    gap: 2.5rem;
  }

  .chain-diagram {
    max-width: none;
  }

  .about__grid {
    grid-template-columns: 1fr;
    padding-top: var(--section-padding-mobile);
    padding-bottom: var(--section-padding-mobile);
    gap: 2.5rem;
  }

  .site-footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .scribble-underline {
    white-space: normal;
  }

  .section-padded {
    padding-top: var(--section-padding-mobile);
    padding-bottom: var(--section-padding-mobile);
  }

  .page-header {
    padding-top: 4rem;
    padding-bottom: 3rem;
  }

  .diagnostic-hero {
    padding-top: 4rem;
    padding-bottom: 3rem;
  }

  .diagnostic-hero__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .diagnostic-hero__title {
    max-width: none;
  }

  .diagnostic-hero__visual {
    max-width: 24rem;
    margin: 0 auto;
  }

  .result-card {
    grid-template-columns: 1fr;
    gap: 0.375rem;
    align-items: start;
  }

  .trap-card-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .process-details__row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .diagnostic-final__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .promo-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .promo-card__action .btn {
    width: 100%;
    text-align: center;
  }

  .prose-section {
    padding-top: var(--section-padding-mobile);
    padding-bottom: var(--section-padding-mobile);
  }

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

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

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

  .section-cta-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

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

  .chain-row {
    grid-template-columns: 1fr;
  }

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

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

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

  .matrix-desktop {
    display: none;
  }

  .matrix-mobile {
    display: block;
  }

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

  .qcard__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
  }

  .qcard__coords {
    text-align: left;
  }
}

@media (max-width: 720px) {
  .matrix-desktop {
    display: none;
  }

  .matrix-mobile {
    display: block;
  }
}

@media (max-width: 500px) {
  .trap-grid {
    grid-template-columns: 1fr;
  }
}