:root {
  color-scheme: light;
  --graphite: #151719;
  --ivory: #f3f0e8;
  --paper: #f8f6ef;
  --steel: #4f545a;
  --muted: #4f545a;
  --line: rgb(21 23 25 / 0.18);
  --line-strong: rgb(21 23 25 / 0.68);
  --orange: #f05a28;
  --error: #a62919;
  --shell: min(100% - 64px, 1360px);
  --nav-height: 70px;
  --font-sans: "Aptos", "Segoe UI", Arial, sans-serif;
  --font-display: "Bahnschrift SemiCondensed", "Bahnschrift", "Arial Narrow", "Aptos Display", sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --z-header: 40;
  --z-skip: 100;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  background: var(--ivory);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--ivory);
  color: var(--graphite);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

p,
li,
dd {
  text-wrap: pretty;
}

button,
input,
textarea {
  font: inherit;
}

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

a {
  color: inherit;
}

button,
input,
textarea {
  border-radius: 0;
}

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

[hidden] {
  display: none !important;
}

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

h1,
h2,
h3,
blockquote {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.96;
  text-wrap: balance;
}

h2 {
  font-size: clamp(3rem, 5.1vw, 5.5rem);
}

h3 {
  font-size: clamp(1.45rem, 2.1vw, 2.25rem);
}

p:last-child,
ul:last-child,
ol:last-child,
dl:last-child {
  margin-bottom: 0;
}

::selection {
  background: var(--orange);
  color: var(--graphite);
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: var(--z-skip);
  padding: 12px 16px;
  border: 2px solid var(--graphite);
  background: var(--orange);
  color: var(--graphite);
  font-weight: 800;
  transform: translateY(-150%);
}

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

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding-block: clamp(92px, 10vw, 154px);
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.evidence-label,
.offer-meta,
.fit-row__scale {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 28px;
  color: var(--muted);
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 14px 20px 12px;
  border: 1px solid var(--graphite);
  background: var(--graphite);
  box-shadow: inset 0 -4px 0 var(--orange);
  color: var(--ivory);
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 220ms var(--ease-out-expo),
    background-color 220ms var(--ease-out-expo),
    color 220ms var(--ease-out-expo);
}

.button:hover {
  background: #25282b;
}

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

.button--outline {
  background: transparent;
  box-shadow: none;
  color: var(--graphite);
}

.button--outline:hover {
  background: var(--paper);
}

.button--small {
  min-height: 44px;
  padding-inline: 22px;
  font-size: 13px;
}

.button--quiet {
  background: var(--ivory);
  color: var(--graphite);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--nav-height);
  border-bottom: 1px solid var(--line);
  background: rgb(243 240 232 / 0.96);
}

.nav-shell {
  display: flex;
  width: calc(100% - 32px);
  height: 100%;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--graphite);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 7px;
  border: 1px solid var(--graphite);
}

.brand-mark span:first-child {
  background: var(--graphite);
}

.brand-mark span:last-child {
  background: var(--orange);
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1;
}

.brand-copy span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.primary-nav,
.primary-nav__links {
  display: flex;
  align-items: center;
}

.primary-nav {
  gap: 38px;
}

.primary-nav__links {
  gap: 34px;
}

.primary-nav__links a {
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.primary-nav__links a:hover {
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 2px;
  margin-block: 5px;
  background: var(--graphite);
  transition: transform 220ms var(--ease-out-expo);
}

.nav-toggle[aria-expanded="true"] {
  box-shadow: 0 0 0 3px var(--ivory), 0 0 0 5px var(--orange);
}

.nav-toggle[aria-expanded="true"] > span:nth-last-child(2) {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] > span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.hero {
  display: grid;
  min-height: calc(100dvh - var(--nav-height));
  grid-template-columns: minmax(0, 1.1fr) minmax(470px, 0.9fr);
  border-bottom: 1px solid var(--line);
}

.hero__copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 54px clamp(16px, 3vw, 48px) 54px 16px;
}

.hero h1 {
  max-width: 100%;
  margin-bottom: 28px;
  font-size: clamp(4rem, 5.45vw, 5.35rem);
  line-height: 0.91;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero h1 span:last-child {
  color: var(--orange);
}

.hero__subhead {
  max-width: 60ch;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.4vw, 1.22rem);
  line-height: 1.55;
}

.system-diagram {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-left: 1px solid var(--line);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
}

.system-diagram::after {
  position: absolute;
  inset: 0 24px 0;
  border-right: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
  content: "";
  pointer-events: none;
}

.system-diagram h2 {
  position: relative;
  z-index: 1;
  max-width: 17ch;
  margin: 52px 13% 42px;
  font-size: clamp(2.05rem, 3vw, 3.05rem);
  line-height: 0.91;
}

.system-diagram h2 span {
  display: block;
}

.system-diagram__flow {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  padding: 0 11% 52px;
}

.diagram-node {
  position: relative;
  display: grid;
  min-height: 66px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  width: 76%;
  padding: 13px 18px;
  border: 1px solid var(--graphite);
  background: var(--ivory);
}

.diagram-node::after {
  position: absolute;
  top: 50%;
  left: calc(100% + 1px);
  width: 27%;
  border-top: 1px solid var(--graphite);
  content: "";
}

.diagram-node span {
  max-width: 14ch;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.diagram-node strong {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1;
}

.diagram-node--context,
.diagram-node--approval {
  margin-left: 22%;
}

.diagram-node--approval {
  background: var(--orange);
  box-shadow: 7px 7px 0 var(--graphite);
}

.diagram-node--approval strong {
  max-width: 8ch;
  text-align: right;
}

.section-heading {
  max-width: 930px;
  margin-bottom: clamp(54px, 7vw, 96px);
}

.section-heading h2 {
  max-width: 17ch;
  margin-bottom: 24px;
}

.section-heading p,
.method__lead > p,
.fit__lead > p,
.readiness__lead > p,
.contact__lead > p {
  max-width: 60ch;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.45vw, 1.25rem);
}

.section-heading--compact h2 {
  max-width: 13ch;
}

.problem__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(480px, 1.16fr);
  align-items: start;
  gap: clamp(54px, 8vw, 118px);
}

.problem__layout .section-heading {
  position: sticky;
  top: calc(var(--nav-height) + 38px);
  margin-bottom: 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--graphite);
  border-left: 1px solid var(--graphite);
}

.problem-item {
  min-height: 245px;
  padding: 30px;
  border-right: 1px solid var(--graphite);
  border-bottom: 1px solid var(--graphite);
}

.problem-item:nth-child(4) {
  background: var(--orange);
}

.problem-item h3 {
  max-width: 10ch;
  margin-bottom: 70px;
  font-size: clamp(1.65rem, 2.3vw, 2.5rem);
}

.problem-item p {
  max-width: 34ch;
  color: var(--muted);
}

.problem-item:nth-child(4) p {
  color: var(--graphite);
}

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

.method__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(510px, 1.2fr);
  align-items: start;
  gap: clamp(64px, 10vw, 140px);
}

.method__lead h2 {
  max-width: 9ch;
  margin-bottom: 28px;
}

.method-track {
  padding: 0;
  margin-bottom: 0;
  list-style: none;
  border-top: 1px solid var(--graphite);
}

.method-step {
  display: grid;
  grid-template-columns: 84px 1fr;
  align-items: start;
  min-height: 128px;
  padding: 24px 0;
  border-bottom: 1px solid var(--graphite);
}

.method-step__line {
  width: 42px;
  margin-top: 10px;
  border-top: 5px solid var(--graphite);
}

.method-step:last-child .method-step__line {
  border-color: var(--orange);
}

.method-step h3 {
  margin-bottom: 10px;
  font-size: clamp(1.65rem, 2.45vw, 2.7rem);
}

.method-step p {
  max-width: 48ch;
  margin-bottom: 0;
  color: var(--muted);
}

.services {
  background: var(--ivory);
}

.diagnostic-offer {
  display: grid;
  grid-template-columns: minmax(0, 1.17fr) minmax(320px, 0.83fr);
  border: 1px solid var(--graphite);
  box-shadow: 8px 8px 0 var(--orange);
}

.diagnostic-offer__lead,
.diagnostic-list {
  padding: clamp(34px, 5vw, 64px);
}

.diagnostic-offer__lead {
  border-right: 1px solid var(--graphite);
}

.offer-meta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.evidence-label {
  display: inline-block;
  padding: 4px 6px;
  border: 1px solid var(--orange);
}

.diagnostic-offer h3 {
  max-width: 11ch;
  margin-bottom: 24px;
  font-size: clamp(2.7rem, 4.8vw, 5.2rem);
}

.diagnostic-offer__lead > p,
.build-offer > p {
  max-width: 53ch;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 1.03rem;
}

.diagnostic-list,
.offer-list,
.guardrail-list {
  margin-bottom: 0;
  list-style: none;
}

.diagnostic-list {
  display: grid;
  align-content: center;
  gap: 0;
}

.diagnostic-list li,
.offer-list li {
  position: relative;
  padding: 18px 0 18px 28px;
  border-bottom: 1px solid var(--line);
}

.diagnostic-list li:last-child,
.offer-list li:last-child {
  border-bottom: 0;
}

.diagnostic-list li::before,
.offer-list li::before {
  position: absolute;
  top: 28px;
  left: 0;
  width: 10px;
  border-top: 2px solid var(--orange);
  content: "";
}

.build-offers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 72px;
  border-top: 1px solid var(--graphite);
  border-left: 1px solid var(--graphite);
}

.build-offer {
  padding: clamp(32px, 4.5vw, 58px);
  border-right: 1px solid var(--graphite);
  border-bottom: 1px solid var(--graphite);
}

.build-offer:nth-child(2) {
  background: var(--paper);
}

.build-offer h3 {
  max-width: 12ch;
  min-height: 2em;
  margin-bottom: 24px;
  font-size: clamp(2.2rem, 3.8vw, 4rem);
}

.offer-list {
  padding: 0;
}

.fit__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(560px, 1.25fr);
  gap: clamp(64px, 9vw, 130px);
}

.fit__lead h2 {
  max-width: 8ch;
  margin-bottom: 28px;
}

.fit-map {
  border-top: 1px solid var(--graphite);
}

.fit-row {
  display: grid;
  grid-template-columns: 0.62fr 1fr 1.25fr;
  gap: 28px;
  padding: 34px 0;
  border-bottom: 1px solid var(--graphite);
}

.fit-row__scale {
  margin-bottom: 0;
  color: var(--muted);
}

.fit-row h3 {
  font-size: clamp(1.55rem, 2.2vw, 2.35rem);
}

.fit-row > p:last-child {
  color: var(--muted);
}

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

.readiness__layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(48px, 7vw, 96px);
}

.readiness__lead h2 {
  max-width: 11ch;
  margin-bottom: 28px;
}

.readiness-table {
  width: 100%;
  border: 1px solid var(--graphite);
  border-collapse: collapse;
  background: var(--ivory);
  table-layout: fixed;
}

.readiness-table thead th {
  padding: 14px 28px;
  background: var(--graphite);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
}

.readiness-table thead th:first-child,
.readiness-table tbody th {
  width: 42%;
}

.readiness-table thead th + th,
.readiness-table tbody td {
  border-left: 1px solid var(--graphite);
}

.readiness-table tbody th,
.readiness-table tbody td {
  padding: 26px 28px;
  border-bottom: 1px solid var(--graphite);
  vertical-align: top;
  text-align: left;
}

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

.readiness-table tbody th {
  font-weight: 800;
}

.readiness-table tbody td {
  color: var(--muted);
}

.proof__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: clamp(64px, 10vw, 150px);
}

.proof__example h2 {
  max-width: 11ch;
  margin-bottom: 58px;
}

.proof__example h3 {
  max-width: 16ch;
  margin-bottom: 18px;
}

.proof__example > p:not(.eyebrow) {
  max-width: 56ch;
  color: var(--muted);
}

.proof__note {
  padding: 20px;
  border: 1px solid var(--graphite);
  background: var(--paper);
  box-shadow: inset 0 4px 0 var(--orange);
}

.evidence-bands {
  margin-bottom: 0;
  border-top: 1px solid var(--graphite);
}

.evidence-band {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--graphite);
}

.evidence-band dt {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.evidence-band dd {
  color: var(--muted);
}

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

.founder__layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(64px, 10vw, 150px);
}

/* Grid items may not force the single-column track wider than the shell
   on narrow screens; without this the founder copy clips at 320px. */
.founder__layout > * {
  min-width: 0;
}

.founder blockquote {
  position: relative;
  max-width: 12ch;
  padding: 46px;
  border: 1px solid var(--graphite);
  background: var(--orange);
  box-shadow: 10px 10px 0 var(--graphite);
  font-size: clamp(2.35rem, 4.2vw, 4.65rem);
}

.founder__copy h2 {
  max-width: 10ch;
  margin-bottom: 34px;
}

.founder__copy > p {
  max-width: 58ch;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.3vw, 1.16rem);
}

.founder__copy .founder__note {
  margin-top: 32px;
  padding: 22px 20px 18px;
  border: 1px solid var(--graphite);
  background: var(--ivory);
  box-shadow: inset 0 4px 0 var(--orange);
  color: var(--graphite);
}

.guardrail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--graphite);
  border-left: 1px solid var(--graphite);
}

.guardrail-grid article {
  padding: clamp(34px, 5vw, 64px);
  border-right: 1px solid var(--graphite);
  border-bottom: 1px solid var(--graphite);
}

.guardrail-grid article:last-child {
  background: var(--paper);
}

.guardrail-grid h3 {
  margin-bottom: 36px;
}

.guardrail-list {
  display: grid;
  gap: 18px;
  padding: 0;
}

.guardrail-list li {
  position: relative;
  padding-left: 28px;
}

.guardrail-list li::before {
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  font-weight: 800;
}

.guardrail-list--supports li::before {
  color: var(--orange);
  content: "+";
}

.guardrail-list--excludes li::before {
  content: "x";
}

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

.contact__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(570px, 1.28fr);
  align-items: start;
  gap: clamp(64px, 9vw, 130px);
}

.contact__lead {
  position: sticky;
  top: calc(var(--nav-height) + 36px);
}

.contact__lead h2 {
  max-width: 9ch;
  margin-bottom: 30px;
}

.demo-notice {
  display: grid;
  gap: 5px;
  margin-top: 38px;
  padding: 18px;
  border: 1px solid var(--graphite);
  background: var(--ivory);
  color: var(--muted);
  font-size: 13px !important;
}

.demo-notice strong {
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.workflow-form,
.form-success {
  scroll-margin-top: calc(var(--nav-height) + 24px);
  padding: clamp(28px, 4.5vw, 56px);
  border: 1px solid var(--graphite);
  background: var(--ivory);
  box-shadow: 8px 8px 0 var(--orange);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px 20px;
}

.field {
  display: grid;
  align-content: start;
  gap: 8px;
}

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

.field label {
  font-size: 14px;
  font-weight: 800;
}

.field label span {
  color: var(--muted);
  font-weight: 500;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--graphite);
  font-size: 16px;
}

.field input {
  min-height: 50px;
  padding: 10px 12px;
}

.field textarea {
  min-height: 138px;
  padding: 12px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--graphite);
  outline: 3px solid var(--orange);
  outline-offset: 1px;
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--error);
}

.field small {
  color: var(--muted);
  font-size: 12px;
}

.field__error {
  min-height: 18px;
  color: var(--error);
  font-size: 12px;
  font-weight: 700;
}

.form-error {
  display: grid;
  gap: 3px;
  margin-bottom: 28px;
  padding: 16px;
  border: 2px solid var(--error);
  color: var(--error);
}

.form-submit {
  width: 100%;
  margin-top: 28px;
}

.form-success h3 {
  margin: 26px 0 18px;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
}

.form-success > p:not(.evidence-label) {
  max-width: 54ch;
  color: var(--muted);
}

.form-success pre {
  max-height: 330px;
  margin: 30px 0;
  overflow: auto;
  padding: 22px;
  border: 1px solid var(--graphite);
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.form-success__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.copy-status {
  min-height: 24px;
  margin-top: 14px;
  color: var(--graphite) !important;
  font-size: 13px;
  font-weight: 700;
}

.site-footer {
  padding: 54px 32px 32px;
  background: var(--graphite);
  color: var(--ivory);
}

.footer__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 54px;
  border-bottom: 1px solid rgb(243 240 232 / 0.24);
}

.brand--footer {
  color: var(--ivory);
}

.brand--footer .brand-mark {
  border-color: var(--ivory);
}

.brand--footer .brand-mark span:first-child {
  background: var(--ivory);
}

.brand--footer .brand-copy span {
  color: rgb(243 240 232 / 0.64);
}

.footer__top > p {
  max-width: 25ch;
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.7vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1;
  text-align: right;
}

.publication-placeholders {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(560px, 1.3fr);
  gap: 60px;
  padding-top: 32px;
  color: rgb(243 240 232 / 0.65);
  font-size: 12px;
}

.publication-placeholders dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 32px;
  margin-bottom: 0;
}

.publication-placeholders dl div {
  display: grid;
  gap: 4px;
}

.publication-placeholders dt {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.publication-placeholders dd {
  margin-left: 0;
  overflow-wrap: anywhere;
  color: var(--ivory);
}

@media (max-width: 1120px) {
  :root {
    --shell: min(100% - 40px, 1360px);
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(410px, 0.9fr);
  }

  .hero h1 {
    font-size: clamp(3.55rem, 5.8vw, 4.65rem);
  }

  .primary-nav {
    gap: 24px;
  }

  .primary-nav__links {
    gap: 24px;
  }

  .problem__layout,
  .method__layout,
  .fit__layout,
  .readiness__layout,
  .proof__layout,
  .founder__layout,
  .contact__layout {
    gap: 58px;
  }
}

@media (max-width: 900px) {
  :root {
    --nav-height: 64px;
    --shell: min(100% - 32px, 1360px);
  }

  .brand-copy span {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    padding: 12px 16px 28px;
    border-bottom: 1px solid var(--graphite);
    background: var(--ivory);
  }

  .primary-nav.is-open {
    display: grid;
    gap: 22px;
  }

  .primary-nav__links {
    display: grid;
  }

  .primary-nav__links a {
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
  }

  .primary-nav .button {
    width: 100%;
  }

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

  .hero__copy {
    min-height: calc(100dvh - var(--nav-height));
    padding: 64px 16px;
  }

  .hero h1 {
    font-size: clamp(3.5rem, 10vw, 5.6rem);
  }

  /* Safety valve: when display-font fallbacks render wider than
     Bahnschrift, the headline may wrap instead of clipping at the
     right edge. With the intended font it still sets on two lines. */
  .hero h1 span {
    white-space: normal;
  }

  .system-diagram {
    min-height: 690px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .system-diagram::after {
    inset-inline: 16px;
  }

  .problem__layout,
  .method__layout,
  .fit__layout,
  .readiness__layout,
  .proof__layout,
  .founder__layout,
  .contact__layout {
    grid-template-columns: 1fr;
  }

  .problem__layout .section-heading,
  .contact__lead {
    position: static;
  }

  .method-track,
  .readiness-table,
  .evidence-bands,
  .workflow-form,
  .form-success {
    max-width: 720px;
  }

  .diagnostic-offer {
    grid-template-columns: 1fr;
  }

  .diagnostic-offer__lead {
    border-right: 0;
    border-bottom: 1px solid var(--graphite);
  }

  .fit-row {
    grid-template-columns: 0.7fr 1fr 1.2fr;
  }

  .publication-placeholders {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  h2 {
    font-size: clamp(2.9rem, 13.5vw, 4.2rem);
  }

  .section {
    padding-block: 82px;
  }

  .nav-shell {
    width: calc(100% - 30px);
  }

  .hero__copy {
    justify-content: flex-start;
    min-height: auto;
    padding-top: 54px;
    padding-bottom: 72px;
  }

  .hero .eyebrow {
    max-width: 30ch;
    margin-bottom: 26px;
  }

  .hero h1 {
    max-width: 100%;
    margin-bottom: 26px;
    font-size: clamp(3.3rem, 15.5vw, 4.75rem);
    line-height: 0.96;
  }

  .hero h1 span {
    white-space: normal;
  }

  .hero__subhead {
    margin-bottom: 30px;
    font-size: 1.02rem;
  }

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

  .button-row .button {
    width: 100%;
  }

  .system-diagram {
    min-height: 660px;
    background-size: 32px 32px;
  }

  .system-diagram h2 {
    margin: 70px 48px 54px;
    font-size: clamp(2.35rem, 10.7vw, 3.45rem);
  }

  .system-diagram__flow {
    padding-inline: 32px;
  }

  .diagram-node {
    width: 86%;
    padding-inline: 14px;
  }

  .diagram-node--context,
  .diagram-node--approval {
    margin-left: 14%;
  }

  .section-heading {
    margin-bottom: 52px;
  }

  .problem-grid,
  .build-offers,
  .guardrail-grid {
    grid-template-columns: 1fr;
  }

  .problem-item {
    min-height: 220px;
  }

  .problem-item h3 {
    margin-bottom: 58px;
  }

  .method-step {
    grid-template-columns: 54px 1fr;
  }

  .method-step__line {
    width: 30px;
  }

  .diagnostic-offer {
    box-shadow: 6px 6px 0 var(--orange);
  }

  .diagnostic-offer__lead,
  .diagnostic-list,
  .build-offer {
    padding: 28px;
  }

  .diagnostic-offer h3 {
    font-size: clamp(2.85rem, 13vw, 4.1rem);
  }

  .offer-meta {
    margin-bottom: 38px;
  }

  .build-offers {
    margin-top: 52px;
  }

  .build-offer h3 {
    min-height: 0;
  }

  .fit-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .evidence-band {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .readiness-table,
  .readiness-table tbody,
  .readiness-table tr,
  .readiness-table th,
  .readiness-table td {
    display: block;
    width: 100%;
  }

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

  .readiness-table tbody th,
  .readiness-table tbody td {
    border-left: 0;
  }

  .readiness-table tbody th {
    padding: 24px 22px 10px;
    border-bottom: 0;
  }

  .readiness-table tbody td {
    padding: 0 22px 24px;
  }

  .readiness-table tbody th::before,
  .readiness-table tbody td::before {
    display: block;
    margin-bottom: 7px;
    color: var(--muted);
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .founder blockquote {
    padding: 32px;
    box-shadow: 7px 7px 0 var(--graphite);
  }

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

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

  .workflow-form,
  .form-success {
    padding: 24px;
    box-shadow: 6px 6px 0 var(--orange);
  }

  .contact__lead h2 {
    max-width: 11ch;
  }

  .form-success__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

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

  .footer__top {
    display: grid;
  }

  .footer__top > p {
    text-align: left;
  }

  .publication-placeholders dl {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  :root {
    --shell: calc(100% - 24px);
  }

  .hero__copy {
    padding-inline: 14px;
  }

  .hero h1 {
    font-size: 3.2rem;
  }

  .system-diagram h2 {
    margin-inline: 38px;
  }

  .diagram-node {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .diagram-node strong {
    text-align: left;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .diagram-node {
    animation: workflow-arrive 620ms var(--ease-out-expo) both;
  }

  .diagram-node:nth-child(2) {
    animation-delay: 90ms;
  }

  .diagram-node:nth-child(3) {
    animation-delay: 180ms;
  }

  .diagram-node:nth-child(4) {
    animation-delay: 270ms;
  }

  .diagram-node:nth-child(5) {
    animation-delay: 360ms;
  }

  @keyframes workflow-arrive {
    from {
      transform: translateX(-14px);
    }

    to {
      transform: translateX(0);
    }
  }
}

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

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

@media print {
  .site-header,
  .button-row,
  .workflow-form,
  .site-footer {
    display: none !important;
  }

  .hero,
  .problem__layout,
  .method__layout,
  .fit__layout,
  .readiness__layout,
  .proof__layout,
  .founder__layout,
  .contact__layout {
    display: block;
  }

  .section {
    break-inside: avoid;
  }
}