:root {
  --color-bg: #05070b;
  --color-bg-elevated: #0b111b;
  --color-bg-soft: #101826;
  --color-bg-panel: #0e141f;
  --color-text: #f4efe5;
  --color-text-muted: #b7b1a6;
  --color-text-subtle: #8f98a8;
  --color-line: rgba(244, 239, 229, 0.14);
  --color-line-strong: rgba(244, 239, 229, 0.24);
  --color-gold: #c8a96a;
  --color-gold-soft: rgba(200, 169, 106, 0.16);
  --color-blue: #7fa6b8;
  --color-blue-soft: rgba(127, 166, 184, 0.14);
  --color-danger-soft: rgba(200, 116, 92, 0.16);
  --color-danger-line: rgba(200, 116, 92, 0.3);
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.32);
  --shadow-panel: 0 18px 56px rgba(0, 0, 0, 0.22);
  --container: 1180px;
  --header-offset: 88px;
}

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

html {
  min-width: 320px;
  scroll-padding-top: var(--header-offset);
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
p,
li,
strong,
span {
  overflow-wrap: anywhere;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(135deg, rgba(127, 166, 184, 0.1), transparent 36%),
    linear-gradient(180deg, rgba(200, 169, 106, 0.07), transparent 26%),
    var(--color-bg);
}

body.root-page::before {
  background:
    linear-gradient(145deg, rgba(127, 166, 184, 0.12), transparent 40%),
    linear-gradient(20deg, rgba(200, 169, 106, 0.08), transparent 42%),
    var(--color-bg);
}

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

a {
  color: inherit;
  text-decoration-color: rgba(200, 169, 106, 0.45);
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--color-gold);
}

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

button {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  transform: translateY(-160%);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  padding: 0.65rem 0.9rem;
  text-decoration: none;
  transition: transform 160ms ease;
}

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

.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;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 6.75rem 0;
}

.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: min(100% - 2rem, var(--container));
  border-top: 1px solid rgba(244, 239, 229, 0.055);
  transform: translateX(-50%);
}

main > .section:nth-of-type(4n+2) {
  background:
    linear-gradient(180deg, rgba(244, 239, 229, 0.018), transparent 46%),
    rgba(5, 7, 11, 0.18);
}

.anchor-alias {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.section--surface {
  background: rgba(11, 17, 27, 0.58);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.section--surface::before {
  display: none;
}

.section__header {
  max-width: 760px;
  margin-bottom: clamp(2.25rem, 4vw, 3.25rem);
}

.section-kicker,
.card-kicker,
.phase__kicker,
.root-gateway__eyebrow {
  margin: 0 0 0.7rem;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-heading {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 2.35rem;
  font-weight: 400;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.section-copy {
  margin: 1rem 0 0;
  max-width: 700px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.text-link {
  display: inline-flex;
  margin-top: 1.25rem;
  color: var(--color-gold);
  font-weight: 800;
  text-decoration-thickness: 1px;
}

.section-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(244, 239, 229, 0.08);
  background: rgba(5, 7, 11, 0.78);
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.is-scrolled .site-header {
  border-color: var(--color-line);
  background: rgba(5, 7, 11, 0.94);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
}

.header-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100% - 2rem, var(--container));
  min-height: 76px;
  margin: 0 auto;
}

.brand-link {
  flex: 0 0 auto;
  text-decoration: none;
}

.brand-lockup {
  display: inline-flex;
  flex-direction: column;
  gap: 0.08rem;
  color: var(--color-text);
  line-height: 1.05;
}

.brand-lockup span:first-child {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 400;
}

.brand-lockup span:last-child {
  color: var(--color-text-subtle);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.brand-lockup--root span:first-child {
  font-size: 2.45rem;
}

.brand-lockup--root span:last-child {
  font-size: 0.88rem;
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 650;
  padding: 0 0.65rem;
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--color-text);
  background: rgba(244, 239, 229, 0.06);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  min-height: 40px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.18rem;
}

.language-switcher a,
.language-switcher span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 32px;
  border-radius: var(--radius-sm);
  color: var(--color-text-subtle);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
}

.language-switcher [aria-current="true"] {
  background: var(--color-gold-soft);
  color: var(--color-text);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(244, 239, 229, 0.04);
  cursor: pointer;
}

.menu-toggle__lines,
.menu-toggle__lines::before,
.menu-toggle__lines::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  transition: transform 160ms ease, opacity 160ms ease;
}

.menu-toggle__lines {
  position: relative;
}

.menu-toggle__lines::before,
.menu-toggle__lines::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle__lines::before {
  transform: translateY(-6px);
}

.menu-toggle__lines::after {
  transform: translateY(6px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines::before {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__lines::after {
  transform: rotate(-45deg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  padding: 0.72rem 1rem;
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
  white-space: normal;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

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

.button--primary {
  border-color: rgba(200, 169, 106, 0.62);
  background: linear-gradient(180deg, rgba(200, 169, 106, 0.98), rgba(166, 132, 71, 0.98));
  color: #0b111b;
  box-shadow: 0 12px 34px rgba(200, 169, 106, 0.15);
}

.button--primary:hover {
  color: #05070b;
  border-color: rgba(244, 239, 229, 0.7);
}

.button--secondary {
  background: rgba(244, 239, 229, 0.04);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 rgba(244, 239, 229, 0.06);
}

.button--secondary:hover {
  background: rgba(244, 239, 229, 0.08);
  border-color: var(--color-gold);
}

.hero {
  padding: 5.75rem 0 3.25rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 3.5rem;
  align-items: center;
}

.hero__grid > *,
.section-layout > *,
.economics-layout > *,
.framework-layout > *,
.point-grid > *,
.engagement-clarity > *,
.insight-preview > *,
.publication-hero__grid > *,
.brief-cover__grid > *,
.editorial-layout > *,
.final-cta__inner > *,
.site-footer__grid > * {
  min-width: 0;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(244, 239, 229, 0.04);
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0 0.7rem;
  text-transform: uppercase;
}

.hero h1 {
  margin: 1.25rem 0 0;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 3.25rem;
  font-weight: 400;
  line-height: 1.03;
}

.hero__support {
  margin: 1.25rem 0 0;
  color: var(--color-text);
  font-size: 1.18rem;
  line-height: 1.55;
}

.hero__copy {
  margin: 1rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.02rem;
}

.hero__bullets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.hero__bullets li {
  position: relative;
  color: var(--color-text-muted);
  padding-left: 1rem;
}

.hero__bullets li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

.hero__actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-diagram {
  min-width: 0;
  min-height: 520px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(244, 239, 229, 0.06), transparent),
    var(--color-bg-elevated);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero-diagram__svg {
  width: 100%;
  height: 100%;
  min-height: 520px;
}

.svg-panel {
  fill: rgba(244, 239, 229, 0.025);
  stroke: rgba(244, 239, 229, 0.1);
}

.svg-grid-line {
  stroke: rgba(244, 239, 229, 0.08);
  stroke-width: 1;
}

.svg-node {
  fill: rgba(16, 24, 38, 0.96);
  stroke: rgba(244, 239, 229, 0.2);
  stroke-width: 1;
}

.svg-node--gold {
  fill: rgba(200, 169, 106, 0.12);
  stroke: rgba(200, 169, 106, 0.56);
}

.svg-node--blue {
  fill: rgba(127, 166, 184, 0.13);
  stroke: rgba(127, 166, 184, 0.56);
}

.svg-node-label {
  fill: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 760;
}

.svg-node-label--small {
  font-size: 14px;
}

.svg-flow {
  fill: none;
  stroke: rgba(200, 169, 106, 0.72);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 8 12;
  animation: flow-line 4.8s linear infinite;
}

.svg-flow--blue {
  stroke: rgba(127, 166, 184, 0.72);
}

.svg-arrow {
  fill: var(--color-gold);
}

.svg-friction {
  fill: rgba(200, 116, 92, 0.1);
  stroke: var(--color-danger-line);
  stroke-width: 1;
  stroke-dasharray: 4 5;
}

.svg-friction-label {
  fill: rgba(244, 239, 229, 0.76);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
}

.svg-removal-line {
  stroke: rgba(200, 169, 106, 0.34);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.positioning-strip {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: rgba(11, 17, 27, 0.62);
}

.positioning-strip__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: 1.1rem 0;
}

.positioning-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(244, 239, 229, 0.035);
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 760;
  padding: 0 0.7rem;
}

.comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.comparison__item {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(244, 239, 229, 0.035);
  padding: 1.35rem;
}

.comparison__item--preferred {
  border-color: rgba(200, 169, 106, 0.52);
  background: var(--color-gold-soft);
}

.comparison__label {
  margin: 0 0 0.8rem;
  color: var(--color-text-subtle);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.comparison__statement {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.3;
}

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

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

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

.card,
.offer-card,
.phase,
.fit-panel,
.output-panel {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(11, 17, 27, 0.72);
  box-shadow: var(--shadow-panel);
  padding: 1.25rem;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.card:hover,
.offer-card:hover,
.phase:hover,
.output-panel:hover {
  border-color: rgba(200, 169, 106, 0.38);
  background: rgba(16, 24, 38, 0.9);
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.28);
  transform: translateY(-1px);
}

.card h3,
.offer-card h3,
.phase h3,
.fit-panel h3,
.output-panel h3,
.economic-item h3 {
  margin: 0;
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.3;
}

.card p,
.offer-card p,
.phase p,
.fit-panel p,
.economic-item p {
  margin: 0.8rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.94rem;
}

.numbered-card {
  counter-increment: pillar;
}

.numbered-card .card-kicker::before {
  content: counter(pillar, decimal-leading-zero) " / ";
  color: var(--color-blue);
}

.anti-pattern-grid .card {
  border-color: rgba(200, 116, 92, 0.22);
}

.section-note {
  margin: 1.5rem 0 0;
  border-left: 2px solid var(--color-gold);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.45;
  padding-left: 1rem;
}

.trigger-list {
  display: grid;
  gap: 0.65rem;
}

.trigger-item {
  position: relative;
  border: 1px solid var(--color-line);
  border-left-color: rgba(200, 169, 106, 0.62);
  border-radius: var(--radius-sm);
  background: rgba(244, 239, 229, 0.03);
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.45;
  padding: 0.95rem 1rem 0.95rem 1.2rem;
}

.trigger-item::before {
  content: "";
  position: absolute;
  top: 1.18rem;
  left: -4px;
  width: 7px;
  height: 7px;
  background: var(--color-gold);
}

.economics-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2.5rem;
  align-items: start;
}

.economics-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.8rem;
}

.economic-item {
  position: relative;
  min-height: 190px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(244, 239, 229, 0.045), transparent 42%),
    rgba(5, 7, 11, 0.48);
  padding: 1.15rem;
}

.economic-item:nth-child(1),
.economic-item:nth-child(2) {
  grid-column: span 3;
}

.economic-item:nth-child(3),
.economic-item:nth-child(4),
.economic-item:nth-child(5),
.economic-item:nth-child(6) {
  grid-column: span 3;
}

.economic-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 1rem;
  border: 1px solid rgba(127, 166, 184, 0.54);
  color: var(--color-blue);
  font-size: 0.78rem;
  font-weight: 850;
}

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

.output-panel {
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(200, 169, 106, 0.07), transparent 46%),
    rgba(11, 17, 27, 0.72);
}

.framework-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(0, 1.05fr);
  gap: 2rem;
  align-items: start;
  counter-reset: pillar;
}

.framework-system {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(112px, auto));
  gap: 0.75rem;
  min-height: 500px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(90deg, transparent 32%, rgba(244, 239, 229, 0.06) 32%, rgba(244, 239, 229, 0.06) 33%, transparent 33%, transparent 66%, rgba(244, 239, 229, 0.06) 66%, rgba(244, 239, 229, 0.06) 67%, transparent 67%),
    linear-gradient(180deg, transparent 32%, rgba(244, 239, 229, 0.06) 32%, rgba(244, 239, 229, 0.06) 33%, transparent 33%, transparent 66%, rgba(244, 239, 229, 0.06) 66%, rgba(244, 239, 229, 0.06) 67%, transparent 67%),
    rgba(11, 17, 27, 0.68);
  padding: 1rem;
}

.framework-core,
.framework-node {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(5, 7, 11, 0.82);
  padding: 1rem;
}

.framework-core {
  grid-column: 2;
  grid-row: 2;
  border-color: rgba(200, 169, 106, 0.56);
  background: var(--color-gold-soft);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.25;
  text-align: center;
}

.framework-node {
  color: var(--color-text-muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.framework-node span {
  color: var(--color-blue);
  font-weight: 850;
}

.framework-node--1 { grid-column: 1; grid-row: 1; }
.framework-node--2 { grid-column: 2; grid-row: 1; }
.framework-node--3 { grid-column: 3; grid-row: 1; }
.framework-node--4 { grid-column: 1; grid-row: 3; }
.framework-node--5 { grid-column: 2; grid-row: 3; }
.framework-node--6 { grid-column: 3; grid-row: 3; }

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

.phase {
  position: relative;
}

.phase:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 2.2rem;
  right: -1rem;
  width: 1rem;
  border-top: 1px solid rgba(200, 169, 106, 0.38);
}

.phase::before {
  content: attr(data-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 1rem;
  border: 1px solid rgba(200, 169, 106, 0.6);
  border-radius: 50%;
  color: var(--color-gold);
  font-size: 0.84rem;
  font-weight: 850;
}

.phase ul,
.fit-panel ul,
.principle-list,
.footer-nav,
.compact-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.phase li,
.fit-panel li,
.compact-list li {
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  padding-left: 1rem;
}

.phase li + li,
.fit-panel li + li,
.compact-list li + li {
  margin-top: 0.45rem;
}

.phase li::before,
.fit-panel li::before,
.compact-list li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--color-blue);
}

.phase__columns {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.engagement-clarity {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 2.5rem;
  align-items: start;
}

.clarity-grid,
.faq-grid,
.diagram-library,
.editorial-index,
.brief-pages {
  display: grid;
  gap: 1rem;
}

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

.clarity-grid article,
.faq-grid article,
.diagram-card,
.editorial-index article,
.featured-article,
.publication-brief,
.brief-meta,
.brief-page,
.insight-preview__panel {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(11, 17, 27, 0.72);
  padding: 1.25rem;
}

.clarity-grid span,
.diagram-card span,
.editorial-index span,
.brief-page span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  margin-bottom: 1rem;
  border: 1px solid rgba(200, 169, 106, 0.5);
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 850;
}

.clarity-grid h3,
.faq-grid h3,
.diagram-card h3,
.editorial-index h3,
.featured-article h2,
.brief-page h2 {
  margin: 0;
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.3;
}

.clarity-grid p,
.faq-grid p,
.diagram-card p,
.featured-article p,
.brief-page p,
.brief-page li,
.publication-brief,
.brief-meta,
.editorial-index li {
  color: var(--color-text-muted);
}

.offer-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.offer-card__label {
  margin: 1rem 0 0;
  color: var(--color-blue);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.offer-card__qualifier {
  margin-top: auto;
  border-top: 1px solid var(--color-line);
  color: var(--color-gold);
  padding-top: 1rem;
  font-size: 0.86rem;
  font-weight: 750;
}

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

.fit-panel--negative {
  border-color: rgba(200, 116, 92, 0.28);
  background: rgba(200, 116, 92, 0.08);
}

.outcome-card {
  min-height: 130px;
}

.point-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.insight-preview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.44fr);
  gap: 2rem;
  align-items: start;
}

.insight-preview__panel {
  background:
    linear-gradient(180deg, rgba(127, 166, 184, 0.1), transparent 52%),
    rgba(11, 17, 27, 0.76);
}

.insight-preview__panel > p {
  margin: 0;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.insight-preview__panel .button {
  margin-top: 1.25rem;
}

.statement-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.statement-list li {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(244, 239, 229, 0.035);
  color: var(--color-text);
  padding: 1rem;
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
}

.principle-list li {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(244, 239, 229, 0.035);
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.75rem;
}

.final-cta {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(90deg, rgba(200, 169, 106, 0.1), transparent 42%),
    rgba(11, 17, 27, 0.78);
  padding: 5rem 0;
}

.final-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) auto;
  gap: 2rem;
  align-items: center;
}

.site-footer {
  background: rgba(5, 7, 11, 0.92);
  padding: 3.5rem 0 2rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: start;
}

.site-footer p {
  margin: 1rem 0 0;
  max-width: 440px;
  color: var(--color-text-muted);
}

.footer-nav {
  margin-top: 0;
}

.footer-nav a,
.site-footer a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.footer-nav a:hover,
.site-footer a:hover {
  color: var(--color-gold);
}

.footer-meta {
  display: grid;
  gap: 0.55rem;
}

.copyright {
  margin-top: 2.5rem;
  color: var(--color-text-subtle);
  font-size: 0.82rem;
}

.root-gateway {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 2rem;
}

.root-gateway__panel {
  width: min(100%, 620px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(11, 17, 27, 0.84);
  box-shadow: var(--shadow-soft);
  padding: 2.5rem;
}

.root-gateway__copy {
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.root-gateway__note {
  margin: 1rem 0 0;
  color: var(--color-text-subtle);
  font-size: 0.92rem;
}

.root-gateway__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.publication-hero,
.brief-cover {
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(110deg, rgba(200, 169, 106, 0.11), transparent 46%),
    rgba(11, 17, 27, 0.46);
  padding: 6.25rem 0;
}

.publication-hero__grid,
.brief-cover__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: 3rem;
  align-items: center;
}

.publication-hero h1,
.brief-cover h1 {
  margin: 0;
  max-width: 880px;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 400;
  line-height: 1.04;
}

.publication-hero__copy,
.brief-cover__copy {
  max-width: 760px;
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.12rem;
}

.publication-brief,
.brief-meta {
  background:
    linear-gradient(180deg, rgba(200, 169, 106, 0.1), transparent 48%),
    rgba(5, 7, 11, 0.5);
}

.publication-brief p,
.brief-meta p {
  margin: 0.9rem 0 0.4rem;
  color: var(--color-gold);
  font-size: 0.74rem;
  font-weight: 850;
  text-transform: uppercase;
}

.publication-brief p:first-child,
.brief-meta p:first-child {
  margin-top: 0;
}

.publication-brief strong,
.brief-meta strong {
  display: block;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 400;
  line-height: 1.35;
}

.editorial-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 2rem;
  align-items: start;
}

.featured-article {
  position: sticky;
  top: calc(var(--header-offset) + 1.5rem);
  border-left-color: rgba(200, 169, 106, 0.58);
  background:
    linear-gradient(180deg, rgba(200, 169, 106, 0.08), transparent 45%),
    rgba(11, 17, 27, 0.78);
  box-shadow: var(--shadow-panel);
}

.featured-article h2 {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 400;
}

.featured-article p {
  font-size: 1rem;
}

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

.editorial-index article:nth-child(even),
.diagram-card:nth-child(4n+2),
.diagram-card:nth-child(4n+4) {
  margin-top: 1.35rem;
}

.editorial-index ul,
.brief-page ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.editorial-index li,
.brief-page li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.92rem;
}

.editorial-index li + li,
.brief-page li + li {
  margin-top: 0.45rem;
}

.editorial-index li::before,
.brief-page li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--color-blue);
}

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

.diagram-card {
  min-height: 240px;
  box-shadow: var(--shadow-panel);
  background:
    linear-gradient(135deg, rgba(244, 239, 229, 0.05), transparent 48%),
    rgba(5, 7, 11, 0.54);
}

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

.faq-grid article {
  background: rgba(244, 239, 229, 0.035);
}

.brief {
  background:
    linear-gradient(180deg, rgba(11, 17, 27, 0.2), transparent 22%),
    var(--color-bg);
}

.brief-pages {
  width: min(100% - 2rem, 980px);
  margin: 0 auto;
  padding: 4rem 0;
}

.brief-page {
  min-height: 440px;
  padding: 2rem;
  background:
    linear-gradient(135deg, rgba(244, 239, 229, 0.055), transparent 46%),
    rgba(11, 17, 27, 0.78);
}

.brief-page h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
}

.brief-page p,
.brief-page li {
  font-size: 1.02rem;
}

.brief-page--accent {
  border-color: rgba(200, 169, 106, 0.5);
  background:
    linear-gradient(135deg, rgba(200, 169, 106, 0.12), transparent 52%),
    rgba(11, 17, 27, 0.82);
}

.diagnostic-request {
  scroll-margin-top: var(--header-offset);
}

.diagnostic-request__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.diagnostic-request__copy {
  position: sticky;
  top: calc(var(--header-offset) + 1.5rem);
}

.diagnostic-request__fallback {
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
}

.diagnostic-request__fallback a {
  color: var(--color-gold);
  font-weight: 800;
}

.diagnostic-form {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(244, 239, 229, 0.055), transparent 48%),
    rgba(11, 17, 27, 0.78);
  box-shadow: var(--shadow-panel);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.diagnostic-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.diagnostic-field {
  display: grid;
  gap: 0.45rem;
  color: var(--color-text-muted);
  font-size: 0.86rem;
  font-weight: 780;
}

.diagnostic-field--wide {
  grid-column: 1 / -1;
}

.diagnostic-field input,
.diagnostic-field textarea,
.diagnostic-field select {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(5, 7, 11, 0.68);
  color: var(--color-text);
  padding: 0.78rem 0.85rem;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.diagnostic-field textarea {
  resize: vertical;
}

.diagnostic-field input:focus,
.diagnostic-field textarea:focus,
.diagnostic-field select:focus {
  border-color: rgba(200, 169, 106, 0.72);
  background: rgba(5, 7, 11, 0.88);
  box-shadow: 0 0 0 3px rgba(200, 169, 106, 0.12);
  outline: 0;
}

.diagnostic-field [aria-hidden="true"] {
  color: var(--color-gold);
}

.diagnostic-field.is-invalid input,
.diagnostic-field.is-invalid textarea,
.diagnostic-field.is-invalid select,
.diagnostic-consent.is-invalid {
  border-color: var(--color-danger-line);
}

.diagnostic-consent {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  margin-top: 1.15rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(244, 239, 229, 0.03);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 0.9rem;
}

.diagnostic-consent input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.25rem;
  accent-color: var(--color-gold);
}

.diagnostic-form .cf-turnstile {
  margin-top: 1.15rem;
}

.diagnostic-form__status {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.diagnostic-form__status:empty {
  display: none;
}

.diagnostic-form__status.is-success {
  color: var(--color-gold);
}

.diagnostic-form__status.is-error {
  color: #e0a08d;
}

.diagnostic-form .button {
  margin-top: 1rem;
}

.diagnostic-form .button[disabled] {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 520ms ease,
    transform 520ms ease,
    border-color 160ms ease,
    background 160ms ease;
  will-change: opacity, transform;
}

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

@keyframes flow-line {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: -80;
  }
}

@media (min-width: 768px) {
  .section-heading {
    font-size: 2.85rem;
  }

  .hero h1 {
    font-size: 4.35rem;
  }
}

@media (min-width: 1280px) {
  .hero h1 {
    font-size: 4.8rem;
  }
}

@media (max-width: 1120px) {
  .nav-panel {
    gap: 0.75rem;
  }

  .nav a {
    padding: 0 0.45rem;
  }

  .card-grid--four,
  .principle-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .hero__grid,
  .section-layout,
  .economics-layout,
  .framework-layout,
  .point-grid,
  .engagement-clarity,
  .insight-preview,
  .publication-hero__grid,
  .brief-cover__grid,
  .diagnostic-request__grid,
  .editorial-layout,
  .final-cta__inner,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .featured-article {
    position: static;
  }

  .diagnostic-request__copy {
    position: static;
  }

  .editorial-index article:nth-child(even),
  .diagram-card:nth-child(4n+2),
  .diagram-card:nth-child(4n+4) {
    margin-top: 0;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero__grid {
    gap: 2.25rem;
  }

  .hero-diagram,
  .hero-diagram__svg {
    min-height: 460px;
  }

  .phase:not(:last-child)::after {
    display: none;
  }

  .card-grid,
  .output-grid,
  .timeline,
  .diagram-library {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 82px;
  }

  .header-shell {
    flex-wrap: wrap;
    min-height: 70px;
    padding: 0.75rem 0;
  }

  .js .header-shell {
    flex-wrap: nowrap;
    padding: 0;
  }

  .js .menu-toggle {
    display: inline-flex;
  }

  .nav-panel {
    order: 3;
    width: 100%;
    align-items: stretch;
    border-top: 1px solid var(--color-line);
    padding: 1rem 0;
  }

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

  .nav a {
    justify-content: flex-start;
    width: 100%;
    padding: 0 0.75rem;
  }

  .js .nav-panel {
    position: absolute;
    top: calc(100% - 1px);
    right: 0;
    left: 0;
    order: initial;
    display: none;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: rgba(11, 17, 27, 0.98);
    box-shadow: var(--shadow-soft);
    padding: 1rem;
  }

  .js .nav-panel.is-open {
    display: flex;
    flex-direction: column;
  }

  .language-switcher {
    align-self: flex-start;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 4rem 0;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .section-heading {
    font-size: 2.15rem;
  }

  .hero__bullets,
  .comparison,
  .card-grid,
  .card-grid--two,
  .card-grid--four,
  .diagnostic-form__grid,
  .output-grid,
  .timeline,
  .fit-grid,
  .principle-list,
  .clarity-grid,
  .faq-grid,
  .editorial-index,
  .diagram-library {
    grid-template-columns: 1fr;
  }

  .publication-hero,
  .brief-cover {
    padding: 4rem 0;
  }

  .publication-hero h1,
  .brief-cover h1 {
    font-size: 2.75rem;
  }

  .brief-page {
    min-height: auto;
    padding: 1.35rem;
  }

  .economics-grid,
  .economic-item:nth-child(1),
  .economic-item:nth-child(2),
  .economic-item:nth-child(3),
  .economic-item:nth-child(4),
  .economic-item:nth-child(5),
  .economic-item:nth-child(6) {
    grid-column: auto;
  }

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

  .framework-system {
    display: flex;
    flex-direction: column;
    min-height: auto;
    background: rgba(11, 17, 27, 0.68);
  }

  .framework-core,
  .framework-node {
    min-height: 92px;
  }

  .final-cta {
    padding: 4rem 0;
  }

  .cta-actions,
  .hero__actions,
  .root-gateway__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container,
  .header-shell {
    width: min(100% - 1.25rem, var(--container));
  }

  .brand-lockup span:first-child {
    font-size: 0.98rem;
  }

  .brand-lockup--root span:first-child {
    font-size: 2rem;
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .section-heading {
    font-size: 1.9rem;
  }

  .hero-diagram,
  .hero-diagram__svg {
    min-height: 390px;
  }

  .publication-hero h1,
  .brief-cover h1 {
    font-size: 2.35rem;
  }

  .root-gateway {
    padding: 1rem;
  }

  .root-gateway__panel {
    padding: 1.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  body {
    background: #fff;
    color: #111;
  }

  body::before,
  .site-header,
  .hero-diagram,
  .publication-hero,
  .brief-cover {
    display: none;
  }

  a {
    color: #111;
  }

  .section {
    padding: 1.5rem 0;
  }

  .brief-pages {
    width: 100%;
    padding: 0;
  }

  .brief-page {
    min-height: 0;
    page-break-after: always;
    border: 0;
    color: #111;
    background: #fff;
    padding: 1.2cm;
  }

  .brief-page h2,
  .brief-page p,
  .brief-page li {
    color: #111;
  }
}