:root {
  --black: #0A0A0F;
  --white: #ffffff;
  --green: #4CAF50;
  --gold: #D6B25E;
  --blue: #4A8CFF;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-strong: rgba(255, 255, 255, 0.075);
  --soft: rgba(255, 255, 255, 0.7);
  --muted: rgba(255, 255, 255, 0.42);
  --line: rgba(255, 255, 255, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(214, 178, 94, 0.05) 0%, rgba(10, 10, 15, 0) 22rem),
    linear-gradient(135deg, rgba(74, 140, 255, 0.045) 0%, rgba(10, 10, 15, 0) 34rem),
    var(--black);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.35;
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px clamp(24px, 5.5vw, 84px);
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: clamp(170px, 15vw, 240px);
  height: 42px;
  object-fit: contain;
  object-position: left center;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
  color: var(--muted);
  font-size: 0.82rem;
}

nav a {
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--white);
}

nav a[aria-current="page"] {
  color: var(--white);
}

.primary-nav {
  align-items: center;
}

.nav-group {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 20;
  display: none;
  min-width: 190px;
  padding: 12px 0;
  background: rgba(10, 10, 15, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

.nav-menu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 8px;
}

.nav-menu a {
  display: block;
  padding: 9px 14px;
  color: var(--muted);
  white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--white);
}

.site-header .has-dropdown:hover .nav-menu,
.site-header .has-dropdown:focus-within .nav-menu {
  display: block;
}

.slide {
  display: grid;
  min-height: auto;
  align-content: center;
  justify-items: start;
  padding: 78px clamp(28px, 7.5vw, 116px);
  text-align: left;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hero {
  min-height: 72svh;
  padding-top: 142px;
}

.context {
  margin: 0 0 26px;
  color: var(--soft);
  font-size: clamp(0.76rem, 0.9vw, 0.88rem);
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  overflow-wrap: break-word;
}

h1,
h2 {
  margin: 0;
  font-weight: 400;
  letter-spacing: 0;
}

h1 {
  max-width: 980px;
  font-size: 2.65rem;
  line-height: 1.08;
}

h2 {
  max-width: 980px;
  font-size: 1.65rem;
  line-height: 1.18;
}

p {
  margin: 0;
}

.subline {
  margin-top: 32px;
  color: var(--white);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.hero-explainer {
  max-width: 900px;
  margin-top: 14px;
  color: var(--soft);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.hero-close {
  max-width: 900px;
  margin-top: 36px;
  color: var(--white);
  font-size: clamp(0.9rem, 1vw, 1rem);
  line-height: 1.42;
}

.expectation-note {
  max-width: 760px;
  margin-top: 18px;
  color: var(--soft);
  font-size: clamp(0.86rem, 0.92vw, 0.96rem);
  line-height: 1.48;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 18px 34px;
  margin-top: 38px;
}

.cta-row a,
.cta-row button {
  min-height: 42px;
  padding: 11px 16px;
  color: var(--white);
  background: rgba(76, 175, 80, 0.16);
  border: 1px solid rgba(76, 175, 80, 0.72);
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
}

.cta-row a:nth-child(2) {
  color: var(--soft);
  background: transparent;
  border-color: var(--line);
}

.cta-row a:hover,
.cta-row a:focus-visible,
.cta-row button:hover,
.cta-row button:focus-visible {
  color: var(--white);
  border-color: var(--green);
  background: rgba(76, 175, 80, 0.24);
}

.cta-row button {
  color: var(--soft);
  border-color: var(--line);
}

.inline-cta {
  margin-top: 8px;
}

.inline-cta a {
  font-size: 0.84rem;
}

.insight,
.reveal,
.umbrella,
.buyer,
.comparison,
.capability,
.scorecard,
.reality,
.case-study,
.diagnostic,
.executive-questions,
.start-here,
.audience,
.methodology,
.philosophy,
.mission-vision,
.consultation,
.pricing,
.sample-output,
.fusion-lens,
.home-fit,
.pilot-steps,
.fit,
.criteria,
.demo,
.pilot,
.roi,
.decision,
.credibility,
.book-bridge,
.faq,
.action {
  gap: 30px;
}

.read-first {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 0 clamp(28px, 7.5vw, 116px) 22px;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.read-first a {
  display: grid;
  gap: 8px;
  min-height: 116px;
  align-content: start;
  padding: 18px;
  color: var(--soft);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font-size: clamp(0.82rem, 0.9vw, 0.92rem);
  line-height: 1.4;
  text-decoration: none;
}

.read-first span {
  color: var(--gold);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.read-first a:hover,
.read-first a:focus-visible {
  color: var(--white);
  border-color: rgba(76, 175, 80, 0.58);
  background: var(--surface-strong);
}

.insight p,
.reveal p,
.umbrella p,
.buyer p,
.capability p,
.pricing p,
.book-bridge p,
.decision p,
.action p,
.pilot > p {
  max-width: 900px;
  color: var(--white);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.iceberg-section {
  gap: 34px;
}

.iceberg-section h2 {
  font-size: clamp(1rem, 1.15vw, 1.22rem);
  color: var(--soft);
}

.iceberg-model {
  position: relative;
  width: min(860px, 100%);
  min-height: 500px;
}

.surface-line {
  position: absolute;
  top: 34%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.iceberg-shape {
  position: absolute;
  top: 24%;
  left: 44%;
  width: min(360px, 52vw);
  height: min(360px, 52vw);
  border: 1px solid var(--line);
  transform: translateX(-50%) rotate(45deg);
}

.iceberg-label {
  position: absolute;
  display: grid;
  gap: 18px;
  color: var(--white);
  text-align: left;
}

.iceberg-label span {
  color: var(--white);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.iceberg-label p {
  color: var(--white);
  font-size: clamp(0.88rem, 0.98vw, 0.98rem);
  line-height: 1.55;
}

.iceberg-label.above {
  top: 6%;
  left: 5%;
}

.iceberg-label.below {
  right: 3%;
  bottom: 4%;
}

.bottom-line {
  color: var(--white);
  font-size: clamp(0.9rem, 1vw, 1rem);
}

.proof {
  justify-items: start;
  align-content: center;
  gap: 18px;
  text-align: left;
}

.proof p {
  max-width: 1120px;
  color: var(--white);
  font-size: clamp(0.92rem, 1.05vw, 1.08rem);
  line-height: 1.42;
}

.flow-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 64px;
  width: min(720px, 100%);
  margin-top: 38px;
  color: var(--soft);
  font-size: clamp(0.9rem, 1.05vw, 1.05rem);
  text-transform: uppercase;
}

.flow-line span {
  position: relative;
  color: var(--white);
}

.flow-line span + span::before {
  content: "";
  position: absolute;
  top: 50%;
  right: calc(100% + 18px);
  width: 28px;
  height: 1px;
  background: var(--line);
}

.value h2,
.decision h2,
.action h2,
.scorecard h2,
.reality h2,
.roi h2 {
  max-width: 1080px;
}

.signal-story,
.reality-grid,
.comparison-grid,
.home-fit-grid,
.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(980px, 100%);
  gap: clamp(36px, 7vw, 96px);
  margin-top: 12px;
  text-align: left;
}

.start-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(1040px, 100%);
  gap: clamp(28px, 5vw, 72px);
  margin-top: 12px;
  text-align: left;
}

.start-grid div {
  display: grid;
  gap: 18px;
  min-height: 170px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.start-grid span {
  color: var(--gold);
  font-size: 0.88rem;
  text-transform: uppercase;
}

.start-grid p {
  color: var(--soft);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.signal-story div,
.reality-grid div,
.comparison-grid div,
.home-fit-grid div,
.mission-grid div {
  display: grid;
  gap: 20px;
  min-height: 170px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.signal-story span,
.reality-grid span,
.comparison-grid span,
.home-fit-grid span,
.mission-grid span {
  color: var(--gold);
  font-size: 0.88rem;
  text-transform: uppercase;
}

.signal-story p,
.scorecard-intro,
.scorecard-close,
.reality-grid p,
.reality-close,
.comparison-grid p,
.home-fit-grid p,
.mission-grid p,
.method-intro,
.founder-copy p,
.founder-close,
.founder-note {
  color: var(--soft);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.scorecard-intro,
.scorecard-close,
.reality-close,
.founder-copy,
.founder-close,
.founder-note {
  max-width: 900px;
}

.founder-copy {
  display: grid;
  gap: 18px;
}

.founder-close {
  color: var(--white);
}

.founder-note {
  margin-top: 34px;
  color: var(--white);
}

.founder-layout,
.founder-hero {
  grid-template-columns: minmax(0, 1fr) minmax(180px, 320px);
  gap: clamp(42px, 7vw, 104px);
  align-items: center;
  width: min(1120px, 100%);
}

.founder-layout {
  display: grid;
}

.founder-photo {
  display: grid;
  gap: 14px;
  justify-self: start;
  width: min(300px, 100%);
  margin: 0;
}

.founder-photo img {
  aspect-ratio: 1 / 1.08;
  width: 100%;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--line);
}

.founder-photo figcaption {
  color: var(--soft);
  font-size: 0.82rem;
}

.pricing-note {
  max-width: 760px;
  margin-top: 26px;
  color: var(--soft);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.reality-close {
  color: var(--white);
}

.sample-subhead,
.sample-close {
  max-width: 760px;
  color: var(--soft);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.fusion-questions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: min(1120px, 100%);
  gap: clamp(18px, 3.5vw, 42px);
  margin-top: 14px;
}

.fusion-questions span {
  min-height: 112px;
  padding: 20px;
  color: var(--white);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.45;
}

.sample-readout {
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(320px, 1.12fr);
  width: min(1120px, 100%);
  gap: clamp(40px, 6vw, 88px);
  margin-top: 22px;
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(135deg, rgba(214, 178, 94, 0.06), rgba(74, 140, 255, 0.055) 48%, rgba(76, 175, 80, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.sample-input,
.sample-interpretation {
  display: grid;
  align-content: start;
  gap: 24px;
  padding-top: 0;
}

.sample-label,
.sample-input h3,
.sample-action h3,
.sample-callout span {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.35;
  text-transform: uppercase;
}

.sample-input div {
  display: grid;
  gap: 8px;
}

.sample-input h3,
.sample-input p,
.sample-input ul,
.sample-input dl,
.sample-interpretation ol,
.sample-action h3,
.sample-action ul,
.sample-callout p {
  margin: 0;
}

.sample-input p,
.sample-input li,
.sample-input dt,
.sample-input dd,
.sample-interpretation li span,
.sample-action li,
.sample-callout p {
  color: var(--soft);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.5;
}

.sample-input ul,
.sample-action ul {
  display: grid;
  gap: 8px;
  padding-left: 18px;
}

.sample-input dl {
  display: grid;
  gap: 9px;
}

.sample-input dl div {
  display: grid;
  grid-template-columns: minmax(130px, 0.9fr) minmax(0, 1fr);
  gap: 18px;
}

.sample-input dt {
  color: var(--muted);
}

.sample-input dd {
  color: var(--white);
}

.sample-interpretation ol {
  display: grid;
  gap: 18px;
  padding-left: 18px;
}

.sample-interpretation li {
  padding-left: 6px;
}

.sample-interpretation li::marker {
  color: var(--green);
}

.sample-interpretation strong {
  display: block;
  margin-bottom: 5px;
  color: var(--white);
  font-size: clamp(0.9rem, 1vw, 1rem);
  font-weight: 400;
}

.sample-callout {
  display: grid;
  gap: 10px;
  margin-top: 4px;
  padding: 18px 20px;
  background: rgba(76, 175, 80, 0.08);
  border: 1px solid rgba(76, 175, 80, 0.28);
  border-left: 3px solid var(--green);
  border-radius: 8px;
}

.sample-callout p:first-of-type {
  color: var(--white);
}

.sample-action {
  display: grid;
  gap: 12px;
  padding-top: 4px;
}

.sample-close {
  color: var(--white);
}

.scorecard-lenses {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(900px, 100%);
  gap: 1px;
  margin-top: 20px;
}

.scorecard-lenses span {
  min-height: 86px;
  padding: 24px 18px;
  color: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-transform: uppercase;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  color: var(--soft);
  font-size: clamp(0.9rem, 1vw, 1rem);
  text-transform: uppercase;
}

.case-meta span {
  color: var(--soft);
}

.case-grid,
.pilot-grid {
  display: grid;
  width: min(1080px, 100%);
  gap: 18px;
  border-top: 0;
}

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

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

.course-journey {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.case-grid div,
.pilot-grid div {
  display: grid;
  align-content: start;
  gap: 16px;
  min-height: 190px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.case-grid span,
.pilot-grid span {
  color: var(--gold);
  font-size: 0.88rem;
  text-transform: uppercase;
}

.case-grid p,
.pilot-grid p,
.case-outcome,
.diagnostic-list span,
.credibility-list span {
  color: var(--soft);
  font-size: clamp(0.9rem, 1vw, 1rem);
  line-height: 1.52;
}

.case-outcome {
  max-width: 860px;
  color: var(--white);
}

.diagnostic-list,
.credibility-list,
.demo-list {
  display: grid;
  width: min(980px, 100%);
  gap: 12px;
  border-top: 0;
}

.diagnostic-list span,
.credibility-list span,
.demo-list span {
  padding: 16px 18px;
  color: var(--white);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.demo > p {
  max-width: 900px;
  color: var(--green);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.demo-list span {
  font-size: clamp(0.9rem, 1vw, 1rem);
  line-height: 1.52;
}

.method-list {
  display: grid;
  width: min(1040px, 100%);
  gap: 12px;
}

.method-list p {
  display: grid;
  grid-template-columns: minmax(180px, 0.32fr) minmax(0, 1fr);
  gap: clamp(22px, 5vw, 76px);
  padding: 22px;
  color: var(--soft);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font-size: clamp(0.9rem, 0.98vw, 0.98rem);
  line-height: 1.52;
}

.method-list span {
  color: var(--gold);
}

.roi p {
  max-width: 880px;
  color: var(--soft);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.48;
}

.roi-lines {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(940px, 100%);
  gap: clamp(22px, 5vw, 72px);
  margin-top: 18px;
  text-align: left;
}

.roi-lines span {
  padding-top: 20px;
  color: var(--white);
  border-top: 1px solid var(--line);
  font-size: clamp(0.88rem, 1vw, 1rem);
  line-height: 1.2;
  text-transform: uppercase;
}

.faq dl {
  display: grid;
  width: min(980px, 100%);
  gap: 0;
  margin: 0;
}

.faq dl div {
  display: grid;
  grid-template-columns: minmax(180px, 0.45fr) minmax(0, 1fr);
  gap: clamp(22px, 5vw, 80px);
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.faq dt,
.faq dd {
  margin: 0;
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
}

.faq dt {
  color: var(--white);
}

.faq dd {
  color: var(--soft);
}

.book-page .slide {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.book-hero {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  gap: clamp(44px, 8vw, 116px);
  min-height: 82svh;
  padding-top: 142px;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(214, 178, 94, 0.08), rgba(10, 10, 15, 0) 35%),
    linear-gradient(240deg, rgba(74, 140, 255, 0.08), rgba(10, 10, 15, 0) 38%);
}

.contact-hero {
  grid-template-columns: minmax(0, 0.8fr) minmax(300px, 0.9fr);
  gap: clamp(42px, 8vw, 112px);
  min-height: 78svh;
  padding-top: 142px;
  align-items: start;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 24px;
  width: min(680px, 100%);
  padding: 26px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.lead-form label {
  display: grid;
  gap: 10px;
}

.lead-form label span {
  color: var(--gold);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  color: var(--white);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  padding: 12px 13px;
  font: inherit;
}

.contact-hero > div {
  grid-row: 1 / span 2;
}

.contact-hero > .founder-note,
.contact-hero > .lead-form {
  grid-column: 2;
}

.contact-hero > .founder-note {
  margin-top: 0;
}

.lead-form textarea {
  resize: vertical;
}

.lead-form input:focus,
.lead-form textarea:focus {
  outline: 0;
  border-color: var(--green);
  background: rgba(255, 255, 255, 0.055);
}

.lead-form input::placeholder,
.lead-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.32);
}

.full-field,
.lead-form button {
  grid-column: 1 / -1;
}

.lead-form button {
  justify-self: start;
  color: var(--white);
  background: rgba(76, 175, 80, 0.16);
  border: 1px solid rgba(76, 175, 80, 0.72);
  border-radius: 6px;
  padding: 11px 16px;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
}

.lead-form button:hover,
.lead-form button:focus-visible {
  color: var(--white);
  background: rgba(76, 175, 80, 0.24);
}

.book-hero-copy {
  display: grid;
  gap: 0;
  max-width: 820px;
}

.book-kicker {
  max-width: 720px;
  margin-top: 18px;
  color: var(--gold);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.45;
}

.book-lede {
  max-width: 760px;
  margin-top: 34px;
  color: var(--white);
  font-size: 1.08rem;
  line-height: 1.52;
}

.book-lede.secondary {
  margin-top: 20px;
  color: var(--soft);
}

.book-cover-wrap {
  justify-self: end;
  width: min(380px, 100%);
  margin: 0;
  padding: 16px;
  background: linear-gradient(135deg, rgba(214, 178, 94, 0.12), rgba(74, 140, 255, 0.1) 50%, rgba(76, 175, 80, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.book-cover {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.52);
}

.book-insight,
.book-intro,
.book-story,
.book-philosophy,
.book-layer,
.book-shows,
.book-chapters,
.book-method,
.book-close {
  gap: 30px;
}

.book-copy {
  display: grid;
  max-width: 860px;
  gap: 18px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.book-copy p,
.book-method > p,
.book-close > p {
  max-width: 860px;
  color: var(--white);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.55;
}

.book-pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(980px, 100%);
  gap: 18px;
}

.book-pillars span {
  padding: 18px;
  color: var(--white);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  font-size: clamp(0.86rem, 0.95vw, 0.95rem);
  line-height: 1.35;
}

.book-lessons {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 900px;
}

.book-fusion {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 18px;
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(980px, 100%);
  gap: 22px 32px;
}

.chapter-grid p {
  display: grid;
  gap: 8px;
  margin: 0;
  min-height: 118px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.chapter-grid strong {
  color: var(--white);
  font-size: clamp(0.9rem, 0.95vw, 1rem);
  line-height: 1.35;
}

.chapter-grid span {
  color: var(--soft);
  font-size: clamp(0.84rem, 0.9vw, 0.94rem);
  line-height: 1.45;
}

.brief-memo {
  gap: 44px;
  min-height: 86svh;
  padding-top: 142px;
}

.brief-heading {
  display: grid;
  gap: 14px;
}

.brief-subtitle {
  max-width: 680px;
  color: var(--soft);
  font-size: clamp(0.92rem, 1vw, 1rem);
  line-height: 1.48;
}

.brief-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(1040px, 100%);
  gap: 18px;
  border-top: 0;
}

.brief-grid section {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 200px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.brief-grid span {
  color: var(--gold);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.brief-grid h2 {
  max-width: 460px;
  font-size: clamp(0.98rem, 1.08vw, 1.08rem);
}

.brief-grid p {
  max-width: 520px;
  color: var(--soft);
  font-size: clamp(0.88rem, 0.95vw, 0.98rem);
  line-height: 1.5;
}

footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 72px clamp(28px, 6vw, 96px) 38px;
  color: var(--muted);
  background: var(--black);
}

footer div {
  display: grid;
  gap: 8px;
}

footer strong {
  color: var(--soft);
  font-weight: 400;
}

footer span {
  color: var(--muted);
}

footer small {
  max-width: 520px;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.45;
}

footer nav {
  gap: 24px;
}

@media (max-width: 760px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    position: static;
  }

  nav {
    justify-content: flex-start;
  }

  .primary-nav {
    align-items: flex-start;
  }

  .nav-group {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-menu {
    display: none;
  }

  .slide {
    min-height: auto;
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .hero {
    min-height: auto;
    padding-top: 76px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.38rem;
  }

  .context {
    margin-bottom: 28px;
  }

  .subline,
  .cta-row {
    margin-top: 28px;
  }

  .iceberg-model {
    min-height: 500px;
  }

  .surface-line {
    top: 30%;
  }

  .iceberg-shape {
    top: 22%;
    left: 50%;
    width: 250px;
    height: 250px;
  }

  .iceberg-label.above {
    top: 0;
    left: 0;
  }

  .iceberg-label.below {
    right: 0;
    bottom: 0;
  }

  .flow-line {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .flow-line span + span::before {
    display: none;
  }

  .signal-story,
  .scorecard-lenses,
  .reality-grid,
  .comparison-grid,
  .home-fit-grid,
  .mission-grid,
  .start-grid,
  .read-first,
  .case-grid,
  .pilot-grid,
  .roi-lines,
  .sample-readout,
  .fusion-questions,
  .book-hero,
  .chapter-grid,
  .founder-layout,
  .founder-hero,
  .book-pillars,
  .book-fusion,
  .brief-grid,
  .contact-hero,
  .lead-form {
    grid-template-columns: 1fr;
  }

  .book-hero {
    padding-top: 76px;
  }

  .book-cover-wrap {
    justify-self: start;
    width: min(320px, 100%);
  }

  .contact-hero > div,
  .contact-hero > .founder-note,
  .contact-hero > .lead-form {
    grid-column: auto;
    grid-row: auto;
  }

  .method-list p,
  .sample-input dl div,
  .faq dl div {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media print {
  .site-header,
  footer,
  .cta-row {
    display: none;
  }

  body,
  .slide {
    color: #000000;
    background: #ffffff;
  }

  body {
    font-size: 10pt;
  }

  .slide {
    padding: 18px 0;
    border-bottom: 1px solid #d8d8d8;
  }

  .brief-memo {
    gap: 20px;
    min-height: auto;
  }

  .brief-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
    border-color: #d8d8d8;
  }

  .brief-grid section {
    break-inside: avoid;
    padding: 14px 0;
    border-color: #d8d8d8;
  }

  .brief-grid h2,
  .brief-grid p,
  .brief-subtitle {
    color: #000000;
  }

  span,
  .context,
  .method-list span,
  .brief-grid span {
    color: #000000;
  }

  .method-list p,
  .diagnostic-list span,
  .credibility-list span {
    color: #000000;
    border-color: #d8d8d8;
  }
}