:root {
  --paper: #f3f0e8;
  --paper-deep: #e8e3d8;
  --sheet: #fffefa;
  --carbon: #11151b;
  --graphite: #59616d;
  --quiet: #666d74;
  --rule: #d7d1c6;
  --rule-dark: #344154;
  --docket: #17263d;
  --docket-soft: #2d4668;
  --docket-wash: #e8edf3;
  --redline: #ae4b38;
  --redline-wash: #f3e5df;
  --positive: #335d4d;
  --white: #ffffff;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --shell: min(1420px, calc(100vw - 72px));
  --measure: 66ch;
  --shadow-sheet: 0 30px 80px rgba(22, 31, 43, 0.12), 0 2px 8px rgba(22, 31, 43, 0.08);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--carbon);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: var(--docket);
  color: var(--white);
}

a {
  color: inherit;
}

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

button {
  touch-action: manipulation;
}

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

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

ul,
ol {
  padding: 0;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--docket);
  color: var(--white);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

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

.section {
  padding-block: clamp(88px, 9vw, 152px);
}

.section-index,
.eyebrow,
.brief-kicker,
.data-label,
.control-label,
.footer-label {
  font-family: var(--mono);
  font-size: 0.69rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-index,
.eyebrow {
  color: var(--redline);
}

.lead {
  max-width: var(--measure);
  color: var(--graphite);
  font-family: var(--serif);
  font-size: clamp(1.17rem, 1.1rem + 0.32vw, 1.42rem);
  line-height: 1.58;
}

.split-heading {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: clamp(54px, 6vw, 88px);
}

.split-heading > .section-index {
  grid-column: 1 / span 3;
  padding-top: 15px;
}

.split-heading > div {
  grid-column: 5 / -1;
}

.split-heading h2,
.standard h2,
.review-statement h2,
.briefing-copy h2 {
  max-width: 900px;
  margin-bottom: 28px;
  font-family: var(--serif);
  font-size: clamp(2.75rem, 5.3vw, 5.9rem);
  font-weight: 500;
  letter-spacing: -0.052em;
  line-height: 0.99;
  text-wrap: balance;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--paper) 91%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--rule);
  box-shadow: 0 6px 24px rgba(20, 27, 37, 0.04);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.wordmark {
  color: var(--carbon);
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.4vw, 38px);
}

.primary-nav a {
  color: var(--graphite);
  font-size: 0.83rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 140ms ease;
}

.primary-nav a:hover {
  color: var(--carbon);
}

.primary-nav .nav-cta {
  padding: 10px 17px;
  border: 1px solid var(--docket);
  color: var(--docket);
}

.primary-nav .nav-cta:hover {
  background: var(--docket);
  color: var(--white);
}

.menu-toggle {
  display: none;
  min-width: 48px;
  min-height: 48px;
  border: 0;
  background: transparent;
}

/* Hero */
.hero {
  position: relative;
  min-height: 820px;
  padding-block: clamp(138px, 13vw, 194px) clamp(78px, 8vw, 124px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 49.95%, rgba(23, 38, 61, 0.045) 50%, transparent 50.05%),
    linear-gradient(rgba(23, 38, 61, 0.035) 1px, transparent 1px);
  background-size: 100% 100%, 100% 64px;
  mask-image: linear-gradient(to bottom, transparent 0, black 18%, black 78%, transparent 100%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: center;
}

.hero-copy {
  grid-column: 1 / span 6;
  padding-right: clamp(0px, 3vw, 44px);
}

.hero h1 {
  max-width: 820px;
  margin: 24px 0 30px;
  font-family: var(--serif);
  font-size: clamp(4.1rem, 7.4vw, 8.2rem);
  font-weight: 500;
  letter-spacing: -0.064em;
  line-height: 0.88;
}

.hero h1 em {
  color: var(--docket-soft);
  font-weight: 400;
}

.hero-deck {
  max-width: 640px;
  color: var(--graphite);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.05rem + 0.65vw, 1.72rem);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 38px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 21px;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

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

.button-primary:hover {
  background: var(--docket-soft);
}

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

.text-link {
  color: var(--carbon);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration-color: var(--rule-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.text-link span {
  display: inline-block;
  margin-left: 4px;
}

.hero-note {
  max-width: 610px;
  margin-top: 26px;
  color: var(--quiet);
  font-size: 0.76rem;
  line-height: 1.6;
}

.hero-brief {
  grid-column: 7 / -1;
}

/* Decision brief */
.decision-brief {
  position: relative;
  border: 1px solid #cbc5b9;
  background: var(--sheet);
  box-shadow: var(--shadow-sheet);
}

.decision-brief::after {
  content: "";
  position: absolute;
  inset: 10px -10px -10px 10px;
  z-index: -1;
  border: 1px solid rgba(23, 38, 61, 0.17);
}

.brief-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 30px 24px;
  border-top: 6px solid var(--docket);
  border-bottom: 1px solid var(--rule);
}

.brief-kicker {
  margin-bottom: 10px;
  color: var(--redline);
}

.brief-header h2 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.3vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.brief-id {
  display: grid;
  justify-items: end;
  gap: 4px;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.brief-question {
  padding: 20px 30px;
  border-bottom: 1px solid var(--rule);
}

.data-label {
  color: var(--quiet);
}

.brief-question p {
  margin-top: 6px;
  font-family: var(--serif);
  font-size: 1.03rem;
  line-height: 1.45;
}

.assessment {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 28px;
  align-items: end;
  padding: 27px 30px 30px;
  border-bottom: 1px solid var(--rule);
}

.assessment-number {
  display: grid;
}

.assessment-number strong {
  margin-top: 8px;
  color: var(--docket);
  font-family: var(--serif);
  font-size: clamp(3.6rem, 6vw, 5.9rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.85;
  font-variant-numeric: lining-nums tabular-nums;
}

.assessment-number strong small,
.scenario-reading strong small {
  margin-left: 3px;
  font-size: 0.42em;
  letter-spacing: -0.02em;
}

.assessment-caption {
  margin-top: 11px;
  color: var(--quiet);
  font-size: 0.65rem;
}

.range-scale {
  display: flex;
  justify-content: space-between;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.59rem;
}

.range-track {
  position: relative;
  height: 10px;
  margin-block: 9px 10px;
  background:
    linear-gradient(90deg, var(--rule) 1px, transparent 1px) 0 0 / 25% 100%,
    #e4e1da;
}

.range-band {
  position: absolute;
  inset: 0 auto 0 61%;
  width: 14%;
  background: var(--docket-soft);
  transition: left 380ms var(--ease), width 380ms var(--ease);
}

.range-point {
  position: absolute;
  top: 50%;
  left: 68%;
  width: 3px;
  height: 20px;
  background: var(--redline);
  transform: translate(-50%, -50%);
  transition: left 380ms var(--ease);
}

.range-plot p {
  color: var(--graphite);
  font-size: 0.68rem;
}

.brief-signals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.brief-signals > div {
  min-height: 92px;
  padding: 18px 20px;
  border-right: 1px solid var(--rule);
}

.brief-signals > div:last-child {
  border-right: 0;
}

.brief-signals dt {
  margin-bottom: 7px;
  color: var(--quiet);
  font-size: 0.62rem;
}

.brief-signals dd {
  font-family: var(--serif);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
}

.brief-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 20px;
  border-top: 1px solid var(--rule);
  background: #f2f0ea;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.57rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Audience */
.audience-strip {
  border-block: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.28);
}

.audience-grid {
  min-height: 88px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: center;
}

.audience-grid > p {
  grid-column: 1 / span 4;
  font-family: var(--serif);
  font-size: 1.03rem;
  font-style: italic;
}

.audience-grid ul {
  grid-column: 5 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
}

.audience-grid li {
  padding: 7px 17px;
  border-left: 1px solid var(--rule);
  color: var(--graphite);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* Proposition */
.jobs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--rule);
}

.jobs-grid article {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  padding: 32px 36px 38px;
  border-right: 1px solid var(--rule);
}

.jobs-grid article:last-child {
  border-right: 0;
}

.job-number {
  color: var(--redline);
  font-family: var(--mono);
  font-size: 0.67rem;
}

.jobs-grid h3 {
  margin: auto 0 15px;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 3.8vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.05em;
}

.jobs-grid p {
  max-width: 34ch;
  color: var(--graphite);
  font-size: 0.86rem;
}

/* Specimen */
.section-dark {
  background: var(--docket);
  color: var(--white);
}

.split-heading-light .section-index {
  color: #df8b79;
}

.split-heading-light .lead {
  color: #bfc8d4;
}

.scenario-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  border: 1px solid var(--rule-dark);
  background: #101c2d;
}

.scenario-controls {
  display: flex;
  flex-direction: column;
  padding: clamp(28px, 4vw, 52px);
  border-right: 1px solid var(--rule-dark);
}

.control-label {
  margin-bottom: 21px;
  color: #8e9caf;
}

.scenario-buttons {
  display: grid;
}

.scenario-button {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 0;
  border: 0;
  border-top: 1px solid var(--rule-dark);
  background: transparent;
  color: #d8dee7;
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease, padding 220ms var(--ease);
}

.scenario-button:last-child {
  border-bottom: 1px solid var(--rule-dark);
}

.scenario-button::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border: 1px solid #718096;
  border-radius: 50%;
  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.scenario-button span {
  flex: 1;
  font-family: var(--serif);
  font-size: 1rem;
}

.scenario-button small {
  color: #8e9caf;
  font-size: 0.65rem;
}

.scenario-button:hover,
.scenario-button.is-active {
  color: var(--white);
  padding-left: 6px;
}

.scenario-button.is-active::before {
  border-color: #e17c67;
  background: #e17c67;
  box-shadow: 0 0 0 5px rgba(225, 124, 103, 0.12);
}

.scenario-reading {
  margin-top: auto;
  padding-top: 50px;
}

.scenario-reading .data-label {
  color: #8e9caf;
}

.scenario-reading strong {
  display: block;
  margin: 12px 0 16px;
  font-family: var(--serif);
  font-size: clamp(4.4rem, 8vw, 7.6rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.82;
  font-variant-numeric: lining-nums tabular-nums;
}

.scenario-reading p {
  max-width: 42ch;
  color: #bfc8d4;
  font-family: var(--serif);
  font-size: 0.97rem;
}

.critical-path {
  padding: clamp(28px, 4vw, 52px);
  background: var(--sheet);
  color: var(--carbon);
}

.path-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}

.path-head p {
  margin-top: 5px;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
}

.illustrative-tag {
  padding: 5px 8px;
  border: 1px solid var(--redline);
  color: var(--redline);
  font-family: var(--mono);
  font-size: 0.57rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

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

.path-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 15px;
  align-items: center;
  min-height: 92px;
  border-bottom: 1px solid var(--rule);
  transition: background 300ms var(--ease), opacity 300ms var(--ease), transform 300ms var(--ease);
}

.path-step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: -46px;
  width: 1px;
  height: 46px;
  background: var(--rule);
}

.path-step:first-child::before {
  display: none;
}

.path-marker {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: var(--sheet);
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.63rem;
}

.path-step.is-complete .path-marker {
  border-color: var(--positive);
  background: var(--positive);
  color: var(--white);
}

.path-step.is-current .path-marker {
  border-color: var(--redline);
  color: var(--redline);
}

.path-step strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--serif);
  font-size: 0.98rem;
}

.path-step small {
  color: var(--quiet);
  font-size: 0.68rem;
}

.path-status {
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.path-step.is-strengthened {
  background: rgba(51, 93, 77, 0.07);
}

.path-step.is-strengthened .path-marker {
  border-color: var(--positive);
  color: var(--positive);
}

.path-step.is-broken {
  background: var(--redline-wash);
}

.path-step.is-broken .path-marker {
  border-color: var(--redline);
  background: var(--redline);
  color: var(--white);
}

.path-step.is-dimmed {
  opacity: 0.4;
}

.path-note {
  display: grid;
  grid-template-columns: 115px 1fr;
  gap: 20px;
  padding-top: 24px;
}

.path-note span {
  color: var(--redline);
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.path-note p {
  color: var(--graphite);
  font-family: var(--serif);
  font-size: 0.9rem;
}

/* Method */
.method-table {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-block: 1px solid var(--rule);
}

.method-table article {
  min-height: 335px;
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  border-right: 1px solid var(--rule);
}

.method-table article:last-child {
  border-right: 0;
}

.method-table article > span {
  color: var(--redline);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.method-table h3 {
  margin: 76px 0 15px;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.2vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.method-table p {
  color: var(--graphite);
  font-size: 0.79rem;
}

.method-table small {
  margin-top: auto;
  padding-top: 28px;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.58rem;
  line-height: 1.5;
  text-transform: uppercase;
}

/* Reviewability */
.reviewability {
  border-block: 1px solid var(--rule);
  background: var(--paper-deep);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.review-statement {
  grid-column: 1 / span 5;
  position: sticky;
  top: 120px;
  align-self: start;
}

.review-statement h2 {
  margin-top: 36px;
  font-size: clamp(2.8rem, 4.8vw, 5.2rem);
}

.review-statement > p:last-child {
  max-width: 48ch;
  color: var(--graphite);
  font-family: var(--serif);
  font-size: 1.05rem;
}

.review-list {
  grid-column: 7 / -1;
  border-top: 1px solid var(--rule);
}

.review-list > div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}

.review-list span {
  color: var(--docket);
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 600;
}

.review-list p {
  color: var(--graphite);
  font-size: 0.85rem;
}

/* Evidence */
.standard-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.standard-grid > div:first-child {
  grid-column: 1 / span 5;
}

.standard-grid > div:last-child {
  grid-column: 7 / -1;
}

.standard h2 {
  margin-top: 36px;
  color: var(--redline);
}

.standard-principles {
  margin-top: 48px;
  border-top: 1px solid var(--rule);
  list-style: none;
}

.standard-principles li {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding: 21px 0;
  border-bottom: 1px solid var(--rule);
}

.standard-principles strong {
  font-family: var(--serif);
  font-size: 0.98rem;
}

.standard-principles span {
  color: var(--graphite);
  font-size: 0.8rem;
}

/* Human */
.human-control {
  padding-block: clamp(78px, 8vw, 128px);
  background: var(--redline);
  color: var(--white);
}

.human-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: start;
}

.human-grid .section-index {
  grid-column: 1 / span 3;
  padding-top: 15px;
  color: #f5c9bf;
}

.human-grid blockquote {
  grid-column: 5 / -1;
}

.human-grid blockquote p {
  max-width: 940px;
  font-family: var(--serif);
  font-size: clamp(2.9rem, 5.7vw, 6.2rem);
  font-weight: 500;
  letter-spacing: -0.052em;
  line-height: 0.98;
  text-wrap: balance;
}

.human-grid blockquote footer {
  margin-top: 38px;
  color: #f5c9bf;
  font-size: 0.74rem;
}

/* Briefing */
.briefing {
  background: var(--sheet);
}

.briefing-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: start;
}

.briefing-copy {
  grid-column: 1 / span 5;
  padding-right: 24px;
}

.briefing-copy h2 {
  margin-top: 36px;
  font-size: clamp(3.1rem, 5.3vw, 5.8rem);
}

.fit-list {
  max-width: 590px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  color: var(--graphite);
  font-size: 0.82rem;
}

.fit-list > p {
  margin-bottom: 10px;
  color: var(--carbon);
  font-weight: 700;
}

.fit-list ul {
  padding-left: 18px;
}

.fit-list li + li {
  margin-top: 6px;
}

.form-frame {
  grid-column: 7 / -1;
  border-top: 5px solid var(--docket);
  background: var(--paper);
  box-shadow: 0 16px 46px rgba(22, 31, 43, 0.08);
}

.briefing-form {
  display: grid;
  gap: 24px;
  padding: clamp(28px, 4vw, 48px);
}

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

.briefing-form label:not(.consent-field) {
  display: grid;
  gap: 8px;
}

.briefing-form label > span {
  font-size: 0.69rem;
  font-weight: 700;
}

.briefing-form label > span small {
  color: var(--quiet);
  font-weight: 400;
}

.briefing-form input,
.briefing-form select,
.briefing-form textarea {
  width: 100%;
  min-height: 51px;
  padding: 12px 13px;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--sheet);
  font-size: 0.88rem;
  outline: 0;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.briefing-form textarea {
  min-height: 115px;
  resize: vertical;
}

.briefing-form input:focus,
.briefing-form select:focus,
.briefing-form textarea:focus {
  border-color: var(--docket-soft);
  box-shadow: 0 0 0 3px rgba(45, 70, 104, 0.12);
}

.briefing-form [aria-invalid="true"] {
  border-color: var(--redline);
  box-shadow: 0 0 0 3px rgba(174, 75, 56, 0.1);
}

.consent-field {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--graphite);
  cursor: pointer;
}

.consent-field input {
  width: 18px;
  min-height: 18px;
  margin: 2px 0 0;
  padding: 0;
  accent-color: var(--docket);
}

.consent-field span {
  font-size: 0.73rem !important;
  font-weight: 400 !important;
  line-height: 1.55;
}

.form-submit {
  justify-self: start;
  min-width: 184px;
  border: 0;
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.65;
}

.form-status {
  min-height: 24px;
  color: var(--redline);
  font-size: 0.75rem;
}

.form-success {
  min-height: 470px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 5vw, 64px);
}

.form-success[hidden] {
  display: none;
}

.form-success h3 {
  margin: 12px 0 20px;
  font-family: var(--serif);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.05em;
}

.form-success > p:last-child {
  max-width: 46ch;
  color: var(--graphite);
  font-family: var(--serif);
  font-size: 1.1rem;
}

/* Footer */
.site-footer {
  padding-block: 72px 28px;
  background: var(--carbon);
  color: #d9dde2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.75fr 1.15fr;
  gap: clamp(36px, 7vw, 110px);
}

.footer-wordmark {
  color: var(--white);
}

.footer-grid p {
  margin-top: 14px;
  color: #929ba6;
  font-size: 0.75rem;
}

.footer-label {
  margin-top: 4px !important;
  color: #d9dde2 !important;
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 24px;
  margin-top: 68px;
  padding-top: 22px;
  border-top: 1px solid #303741;
  color: #78818c;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-bottom a {
  color: #b9c0c8;
  text-decoration: none;
}

/* Progressive motion */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js [data-hero-copy],
.js [data-hero-brief] {
  opacity: 0;
  transform: translateY(16px);
  animation: hero-settle 720ms var(--ease) forwards;
}

.js [data-hero-brief] {
  animation-delay: 120ms;
}

@keyframes hero-settle {
  to { opacity: 1; transform: translateY(0); }
}

/* Tablet */
@media (max-width: 1120px) {
  :root {
    --shell: min(100% - 44px, 980px);
  }

  .hero {
    min-height: 0;
  }

  .hero-copy {
    grid-column: 1 / span 7;
  }

  .hero-brief {
    grid-column: 8 / -1;
  }

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

  .brief-signals {
    grid-template-columns: 1fr;
  }

  .brief-signals > div {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .brief-signals > div:last-child {
    border-bottom: 0;
  }

  .audience-grid > p {
    grid-column: 1 / span 3;
  }

  .audience-grid ul {
    grid-column: 4 / -1;
  }

  .method-table {
    grid-template-columns: repeat(3, 1fr);
  }

  .method-table article:nth-child(3) {
    border-right: 0;
  }

  .method-table article:nth-child(n+4) {
    border-top: 1px solid var(--rule);
  }

  .method-table article:nth-child(5) {
    border-right: 0;
  }
}

@media (max-width: 860px) {
  :root {
    --shell: calc(100% - 36px);
  }

  html {
    scroll-padding-top: 72px;
  }

  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--paper);
  }

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

  .menu-toggle {
    display: grid;
    place-items: center;
    justify-self: end;
    padding: 0;
    cursor: pointer;
  }

  .menu-toggle span {
    font-size: 0.72rem;
    font-weight: 700;
  }

  .menu-toggle i {
    width: 22px;
    height: 1px;
    display: block;
    margin-top: -11px;
    background: var(--carbon);
    box-shadow: 0 6px 0 var(--carbon);
  }

  .menu-toggle[aria-expanded="true"] i {
    transform: translateY(3px) rotate(45deg);
    box-shadow: none;
  }

  .menu-toggle[aria-expanded="true"] i::after {
    content: "";
    width: 22px;
    height: 1px;
    display: block;
    background: var(--carbon);
    transform: rotate(90deg);
  }

  .primary-nav {
    position: fixed;
    inset: 68px 0 auto;
    display: none;
    max-height: calc(100dvh - 68px);
    padding: 24px 18px 34px;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    background: var(--paper);
  }

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

  .primary-nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 0 4px;
    border-bottom: 1px solid var(--rule);
  }

  .primary-nav .nav-cta {
    justify-content: center;
    margin-top: 8px;
    border: 1px solid var(--docket);
  }

  .hero {
    padding-top: 118px;
  }

  .hero-grid {
    gap: 62px;
  }

  .hero-copy,
  .hero-brief {
    grid-column: 1 / -1;
  }

  .hero-copy {
    max-width: 760px;
    padding-right: 0;
  }

  .hero-brief {
    max-width: 720px;
    margin-left: auto;
  }

  .assessment {
    grid-template-columns: 0.72fr 1.28fr;
  }

  .brief-signals {
    grid-template-columns: repeat(3, 1fr);
  }

  .brief-signals > div {
    border-right: 1px solid var(--rule);
    border-bottom: 0;
  }

  .audience-grid {
    display: block;
    padding-block: 24px;
  }

  .audience-grid ul {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 20px;
    border-top: 1px solid var(--rule);
  }

  .audience-grid li {
    padding: 12px 10px 6px 0;
    border-left: 0;
  }

  .split-heading > .section-index,
  .split-heading > div,
  .standard-grid > div:first-child,
  .standard-grid > div:last-child,
  .human-grid .section-index,
  .human-grid blockquote,
  .briefing-copy,
  .form-frame {
    grid-column: 1 / -1;
  }

  .split-heading > .section-index {
    padding-top: 0;
  }

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

  .jobs-grid article {
    min-height: 250px;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .jobs-grid article:last-child {
    border-bottom: 0;
  }

  .scenario-layout {
    grid-template-columns: 1fr;
  }

  .scenario-controls {
    border-right: 0;
    border-bottom: 1px solid var(--rule-dark);
  }

  .scenario-reading {
    padding-top: 38px;
  }

  .method-table {
    grid-template-columns: 1fr 1fr;
  }

  .method-table article,
  .method-table article:nth-child(3) {
    border-right: 1px solid var(--rule);
    border-top: 1px solid var(--rule);
  }

  .method-table article:nth-child(odd) {
    border-right: 1px solid var(--rule);
  }

  .method-table article:nth-child(even) {
    border-right: 0;
  }

  .method-table article:first-child,
  .method-table article:nth-child(2) {
    border-top: 0;
  }

  .review-statement,
  .review-list {
    grid-column: 1 / -1;
  }

  .review-statement {
    position: static;
    margin-bottom: 54px;
  }

  .human-grid .section-index {
    padding-top: 0;
  }

  .briefing-grid,
  .standard-grid,
  .human-grid {
    row-gap: 58px;
  }

  .briefing-copy {
    padding-right: 0;
  }

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

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

/* Phone */
@media (max-width: 560px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .section {
    padding-block: 76px;
  }

  .wordmark {
    font-size: 1.45rem;
  }

  .hero {
    padding-block: 104px 78px;
  }

  .hero::before {
    display: none;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: clamp(3.65rem, 19vw, 5.55rem);
    line-height: 0.9;
  }

  .hero-deck {
    font-size: 1.18rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
  }

  .button {
    width: 100%;
  }

  .hero-note {
    font-size: 0.71rem;
  }

  .decision-brief::after {
    display: none;
  }

  .brief-header,
  .brief-question,
  .assessment {
    padding-left: 20px;
    padding-right: 20px;
  }

  .brief-header {
    display: grid;
  }

  .brief-id {
    grid-template-columns: auto auto;
    justify-content: space-between;
    justify-items: start;
  }

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

  .brief-signals {
    grid-template-columns: 1fr;
  }

  .brief-signals > div {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .brief-footer {
    display: grid;
  }

  .split-heading h2,
  .standard h2,
  .review-statement h2,
  .briefing-copy h2 {
    font-size: clamp(2.6rem, 13vw, 4rem);
  }

  .jobs-grid article {
    min-height: 225px;
    padding-inline: 22px;
  }

  .scenario-controls,
  .critical-path {
    padding: 24px 18px;
  }

  .scenario-button {
    display: grid;
    grid-template-columns: 8px 1fr;
    gap: 12px;
  }

  .scenario-button small {
    grid-column: 2;
  }

  .path-head {
    display: grid;
  }

  .illustrative-tag {
    justify-self: start;
  }

  .path-step {
    grid-template-columns: 38px 1fr;
    gap: 12px;
    padding-block: 15px;
  }

  .path-marker {
    width: 34px;
    height: 34px;
  }

  .path-step::before {
    left: 17px;
  }

  .path-status {
    grid-column: 2;
  }

  .path-note,
  .review-list > div,
  .standard-principles li {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .method-table {
    grid-template-columns: 1fr;
  }

  .method-table article,
  .method-table article:nth-child(n) {
    min-height: 280px;
    border-top: 1px solid var(--rule);
    border-right: 0;
  }

  .method-table article:first-child {
    border-top: 0;
  }

  .method-table h3 {
    margin-top: 54px;
  }

  .review-list > div {
    padding-block: 22px;
  }

  .human-grid blockquote p {
    font-size: clamp(2.7rem, 13vw, 4.1rem);
  }

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

  .briefing-form {
    padding: 26px 18px;
  }

  .briefing-form input,
  .briefing-form select,
  .briefing-form textarea {
    font-size: 16px;
  }

  .form-submit {
    width: 100%;
  }

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

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

  .footer-bottom {
    grid-template-columns: 1fr;
    gap: 9px;
  }
}

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

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

  .js [data-reveal],
  .js [data-hero-copy],
  .js [data-hero-brief] {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .audience-strip,
  .scenario-controls,
  .briefing,
  .site-footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section,
  .hero {
    padding-block: 32px;
  }

  .decision-brief,
  .form-frame {
    box-shadow: none;
  }

  .section-dark {
    background: #fff;
    color: #000;
  }
}