/*
 * Nguyễn Tuấn Tú — Design System Foundation v1
 * Visual direction: Quiet Intelligence / Trí tuệ điềm tĩnh
 *
 * Technical source of truth for design tokens and base components.
 * Loaded after design.css while the legacy stylesheet is migrated gradually.
 * Phase 1 does not rebuild page sections or remove legacy selectors.
 */

:root {
  /* Brand colors */
  --color-deep-ink: #28241f;
  --color-warm-ivory: #f5f0e6;
  --color-intelligence-teal: #4f5748;
  --color-warm-copper: #b7844f;

  /* Semantic colors */
  --color-text-primary: #1f1c19;
  --color-text-secondary: #4f5748;
  --color-text-muted: #716a61;
  --color-background-primary: #f5f0e6;
  --color-background-secondary: #eee8dc;
  --color-surface: #fffdf8;
  --color-surface-elevated: #ffffff;
  --color-border: #ddd4c5;
  --color-border-strong: #bcae99;
  --color-action-primary: #28241f;
  --color-action-hover: #4f5748;
  --color-focus: #b7844f;
  --color-success: #2f6f55;
  --color-warning: #9a681f;
  --color-error: #9b3a36;
  --color-on-dark: #fffdf8;
  --color-on-dark-muted: #dbe7e4;

  /* Compatibility aliases during migration */
  --ink: var(--color-text-primary);
  --muted: var(--color-text-muted);
  --cream: var(--color-background-primary);
  --gold: var(--color-warm-copper);
  --line: var(--color-border);
  --white: var(--color-surface-elevated);

  /* Font families */
  --font-family-display: "Montserrat", Arial, sans-serif;
  --font-family-heading: "Montserrat", Arial, sans-serif;
  --font-family-body: "Open Sans", Arial, sans-serif;

  /* Type sizes */
  --font-size-display: clamp(2.375rem, 4.4vw, 3.75rem);
  --font-size-h1: clamp(2.25rem, 4vw, 3.5rem);
  --font-size-h2: clamp(1.875rem, 3vw, 2.625rem);
  --font-size-h3: clamp(1.125rem, 1.6vw, 1.375rem);
  --font-size-body-large: 1.0625rem;
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;
  --font-size-caption: 0.75rem;
  --font-size-label: 0.6875rem;
  --font-size-button: 0.8125rem;

  /* Type weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line heights */
  --line-height-display: 1.16;
  --line-height-heading: 1.3;
  --line-height-body: 1.75;
  --line-height-compact: 1.45;

  /* Letter spacing */
  --letter-spacing-display: -0.035em;
  --letter-spacing-heading: -0.02em;
  --letter-spacing-label: 0.12em;
  --letter-spacing-button: 0.01em;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 72.5rem;
  --container-gutter: clamp(1.1875rem, 4vw, 2.5rem);
  --section-space: clamp(3.5rem, 7vw, 5.5rem);
  --content-gap: clamp(1.25rem, 3vw, 2.5rem);
  --card-padding: clamp(1.375rem, 2.5vw, 2rem);
  --max: var(--container-max);

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-subtle: 0 1px 2px rgb(16 42 67 / 5%);
  --shadow-raised: 0 12px 32px rgb(16 42 67 / 9%);
  --shadow-overlay: 0 24px 64px rgb(16 42 67 / 18%);

  /* Motion */
  --duration-fast: 160ms;
  --duration-normal: 240ms;
  --ease-standard: cubic-bezier(0.2, 0.65, 0.3, 1);

  /* Documented breakpoint values (CSS custom properties cannot drive media queries) */
  --breakpoint-sm: 30rem;
  --breakpoint-md: 48rem;
  --breakpoint-lg: 64rem;
  --breakpoint-xl: 80rem;
}

html {
  color-scheme: light;
  scroll-padding-top: 6rem;
}

body {
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  font-family: var(--font-family-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
.brand,
.button,
nav {
  font-family: var(--font-family-heading);
}

h1 {
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-display);
  letter-spacing: var(--letter-spacing-display);
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-heading);
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-compact);
  letter-spacing: var(--letter-spacing-heading);
}

p,
li {
  text-wrap: pretty;
}

.wrap {
  width: min(var(--container-max), calc(100% - (2 * var(--container-gutter))));
  margin-inline: auto;
}

section {
  padding-block: var(--section-space);
}

.section-head {
  gap: var(--content-gap);
  margin-bottom: var(--space-10);
}

.eyebrow,
.journey-label,
.story-card figcaption span,
.gallery .story-card figcaption span,
.milestone-grid span {
  color: var(--color-intelligence-teal);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-label);
}

.eyebrow::before {
  background: var(--color-warm-copper);
}

a {
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
}

.brand,
nav a,
summary,
.prepare-link {
  min-height: 2.75rem;
}

nav a,
summary {
  display: flex;
  align-items: center;
}

nav a {
  padding-inline: 0.5rem;
}

.text-link,
.card a,
.creative-card a,
.entry a {
  color: var(--color-text-primary);
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

.button,
.button.light,
.button.outline {
  min-height: 2.75rem;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  font-size: var(--font-size-button);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-button);
  transition:
    background-color var(--duration-normal) var(--ease-standard),
    border-color var(--duration-normal) var(--ease-standard),
    color var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard),
    transform var(--duration-normal) var(--ease-standard);
}

.button,
.button.light {
  background: var(--color-action-primary);
  border-color: var(--color-action-primary);
  color: var(--color-on-dark);
  box-shadow: var(--shadow-subtle);
}

.button:hover,
.button.light:hover {
  background: var(--color-action-hover);
  border-color: var(--color-action-hover);
  color: var(--color-on-dark);
  box-shadow: var(--shadow-raised);
  transform: translateY(-2px);
}

.button.outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
  box-shadow: none;
}

.button.outline:hover {
  background: var(--color-background-secondary);
  border-color: var(--color-intelligence-teal);
  color: var(--color-text-primary);
}

button:disabled,
.button[aria-disabled="true"],
input:disabled,
textarea:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.52;
  transform: none;
  box-shadow: none;
}

:where(a, button, summary, input, textarea, select):focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}

header {
  background: rgb(247 243 234 / 96%);
  border-color: var(--color-border);
}

header.scrolled {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-raised);
}

.monogram {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-deep-ink);
}

/* Official NTT brand mark — keep the supplied artwork at its native ratio. */
.brand-mark {
  display: block;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  object-fit: contain;
}

.site-footer .brand-mark {
  width: 42px;
  height: 42px;
  flex-basis: 42px;
}

.brand--dark .brand-mark--color,
.brand:not(.brand--dark) .brand-mark--white {
  display: none;
}

.brand--dark .brand-mark--white {
  display: block;
}

@media (max-width: 430px) {
  .brand {
    gap: 9px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .brand strong {
    font-size: 11px;
    letter-spacing: .35px;
  }

  .brand small {
    max-width: 160px;
    font-size: 7px;
    letter-spacing: .25px;
    line-height: 1.35;
  }
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--color-intelligence-teal);
}

nav a::after {
  background: var(--color-intelligence-teal);
}

.hero,
.page-hero,
.method {
  background:
    radial-gradient(circle at 86% 20%, rgb(47 111 109 / 28%), transparent 34%),
    var(--color-deep-ink);
  color: var(--color-on-dark);
}

.hero-copy > p,
.page-hero p,
.method .section-head > p,
.step p,
.breadcrumb,
.hero .signature,
.hero .text-link,
.photo-note {
  color: var(--color-on-dark-muted);
}

.hero h1,
.page-hero h1,
.method h2,
.method h3 {
  color: var(--color-on-dark);
}

.hero .eyebrow,
.page-hero .eyebrow,
.method .eyebrow,
.step b {
  color: #e1b98f;
}

.hero .button {
  background: var(--color-warm-ivory);
  border-color: var(--color-warm-ivory);
  color: var(--color-deep-ink);
}

.hero .button:hover {
  background: var(--color-surface-elevated);
  border-color: var(--color-surface-elevated);
  color: var(--color-intelligence-teal);
}

.hero h1 em,
h2 em {
  color: var(--color-warm-copper);
}

.topics,
.programs,
.gallery,
.life-section {
  background: var(--color-background-secondary);
  border-color: var(--color-border);
}

.card,
.creative-card,
.entry,
.course-item,
.contact-panel,
.milestone-grid img {
  background: var(--color-surface);
  border-color: var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
}

.card,
.creative-card,
.entry {
  padding: var(--card-padding);
}

.card:hover,
.creative-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-raised);
}

.tag,
.status,
.category-links a {
  border-color: var(--color-border-strong);
  border-radius: var(--radius-pill);
  color: var(--color-text-secondary);
  font-size: var(--font-size-label);
  letter-spacing: var(--letter-spacing-label);
}

.contact-box,
.intro-note,
.empty-state {
  background: var(--color-background-secondary);
  border-color: var(--color-border);
  border-radius: var(--radius-md);
}

input,
textarea,
select {
  min-height: 2.75rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
  padding: 0.75rem 0.875rem;
}

textarea {
  line-height: var(--line-height-body);
}

dialog {
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-overlay);
}

footer {
  background: var(--color-background-primary);
  border-color: var(--color-border);
}

@media (max-width: 64rem) {
  :root {
    --container-gutter: 1.5rem;
    --section-space: 4.5rem;
  }
}

@media (max-width: 48rem) {
  :root {
    --container-gutter: 1.1875rem;
    --section-space: 3.5rem;
    --content-gap: 1.5rem;
    --card-padding: 1.5rem;
  }

  html {
    scroll-padding-top: 5.25rem;
  }

  nav {
    background: var(--color-background-primary);
    border-color: var(--color-border);
  }

  nav a,
  .menu,
  summary,
  .prepare-link {
    min-height: 2.75rem;
  }

  .menu {
    min-width: 2.75rem;
    display: grid;
    place-items: center;
  }

  .section-head {
    margin-bottom: var(--space-8);
  }
}

@media (max-width: 30rem) {
  .button {
    padding-inline: 1rem;
  }
}

@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;
  }
}

/* Phase 2 — Global components and topic-page primitives */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header .header-row {
  min-height: 5.5rem;
}

.site-nav a {
  position: relative;
  white-space: nowrap;
}

.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-footer .footer-row {
  min-height: 8rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-small);
}

.breadcrumb a {
  color: inherit;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(16rem, 0.75fr);
  gap: var(--content-gap);
  align-items: end;
  margin-bottom: var(--space-10);
}

.section-header > p {
  color: var(--color-text-secondary);
  max-width: 34rem;
  justify-self: end;
}

.ui-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  padding: var(--card-padding);
}

.ui-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-raised);
}

.contextual-cta {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) auto;
  align-items: center;
  gap: var(--space-8);
  padding: clamp(1.75rem, 4vw, 3rem);
  background: var(--color-deep-ink);
  color: var(--color-on-dark);
  border-radius: var(--radius-lg);
}

.contextual-cta::after {
  content: "";
  position: absolute;
  width: 16rem;
  aspect-ratio: 1;
  right: -7rem;
  top: -8rem;
  border: 1px solid rgb(255 253 248 / 22%);
  border-radius: 50%;
}

.contextual-cta .eyebrow,
.contextual-cta p {
  color: var(--color-on-dark-muted);
}

.contextual-cta h2,
.contextual-cta h3 {
  color: var(--color-on-dark);
  margin-block: var(--space-2) var(--space-3);
}

.contextual-cta .button {
  position: relative;
  z-index: 1;
  background: var(--color-warm-ivory);
  color: var(--color-deep-ink);
  border-color: var(--color-warm-ivory);
}

.topic-page .page-hero {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.topic-page .page-hero .wrap {
  position: relative;
}

.topic-page .page-hero h1 {
  max-width: 61rem;
  margin-block: var(--space-5);
}

.topic-page .page-hero p {
  max-width: 47rem;
}

.topic-page .page-hero .actions {
  margin-top: var(--space-8);
}

.topic-page .page-hero .button.outline {
  color: var(--color-on-dark);
  border-color: rgb(255 253 248 / 46%);
}

.topic-page .page-hero .button.outline:hover {
  background: rgb(255 253 248 / 10%);
  border-color: var(--color-on-dark);
}

.pain-grid,
.sign-grid,
.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.pain-card,
.sign-card {
  min-height: 11.5rem;
}

.pain-card span,
.sign-card span,
.case-fact span {
  display: block;
  margin-bottom: var(--space-4);
  color: var(--color-intelligence-teal);
  font: var(--font-weight-bold) var(--font-size-label)/1 var(--font-family-heading);
  letter-spacing: var(--letter-spacing-label);
}

.definition-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.not-list {
  color: var(--color-text-muted);
  font-family: var(--font-family-heading);
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
}

.not-list s {
  text-decoration-color: var(--color-warm-copper);
  text-decoration-thickness: 0.12em;
}

.flow-system {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: var(--space-10) 0 0;
}

.flow-system li {
  flex: 1 1 8.5rem;
  position: relative;
  display: grid;
  place-items: center;
  min-height: 6.5rem;
  padding: var(--space-4);
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
}

.flow-system li:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: calc(var(--space-3) * -1);
  top: 50%;
  z-index: 2;
  transform: translate(50%, -50%);
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-warm-copper);
  background: var(--color-background-primary);
}

.system-section,
.transformation-section,
.self-check-section {
  background: var(--color-background-secondary);
}

.transformation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: center;
}

.transformation-panel {
  min-height: 20rem;
}

.transformation-panel ul {
  margin: var(--space-6) 0 0;
  padding-left: 1.15rem;
  color: var(--color-text-secondary);
}

.transformation-panel.after {
  background: var(--color-deep-ink);
  color: var(--color-on-dark);
}

.transformation-panel.after p,
.transformation-panel.after li,
.transformation-panel.after .eyebrow {
  color: var(--color-on-dark-muted);
}

.transformation-arrow {
  color: var(--color-warm-copper);
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
}

.brand-progress {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.brand-progress span {
  padding: 0.65rem 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
}

.case-note {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: var(--content-gap);
}

.case-facts {
  display: grid;
  gap: var(--space-4);
}

.case-fact {
  padding: var(--space-5);
  border-left: 3px solid var(--color-intelligence-teal);
  background: var(--color-surface);
}

.case-fact p {
  margin: 0;
  color: var(--color-text-secondary);
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.check-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 4rem;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.check-item:has(input:checked) {
  border-color: var(--color-intelligence-teal);
  background: #f2f8f6;
}

.check-item input {
  min-height: 1.25rem;
  width: 1.25rem;
  accent-color: var(--color-intelligence-teal);
}

.check-result {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  margin-top: var(--space-5);
  padding-inline: 1rem;
  border-radius: var(--radius-pill);
  background: var(--color-deep-ink);
  color: var(--color-on-dark);
  font-weight: var(--font-weight-semibold);
}

@media (max-width: 64rem) {
  .pain-grid,
  .sign-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-header .header-row {
    min-height: 4.625rem;
  }
}

@media (max-width: 50rem) {
  .section-header,
  .definition-panel,
  .case-note,
  .contextual-cta {
    grid-template-columns: 1fr;
  }

  .section-header > p {
    justify-self: start;
  }

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

  .transformation-arrow {
    transform: rotate(90deg);
    justify-self: center;
  }

  .flow-system li:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 38rem) {
  .pain-grid,
  .sign-grid,
  .checklist {
    grid-template-columns: 1fr;
  }

  .flow-system {
    display: grid;
    grid-template-columns: 1fr;
  }

  .flow-system li {
    min-height: 4.5rem;
  }

  .contextual-cta .button {
    width: 100%;
    justify-content: center;
  }
}

/* Phase 3 — Homepage recomposition */
.home-v3 .home-hero {
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
  background:
    radial-gradient(circle at 83% 23%, rgb(47 111 109 / 30%), transparent 30%),
    var(--color-deep-ink);
  color: var(--color-on-dark);
}
.home-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(20rem,.85fr);gap:clamp(2rem,6vw,5rem);align-items:center}
.home-hero .positioning{margin:var(--space-4) 0 var(--space-5);font:var(--font-weight-semibold) clamp(1.15rem,2vw,1.45rem)/1.4 var(--font-family-heading);color:#e1b98f}
.home-hero h1{margin:0;max-width:52rem;color:var(--color-on-dark)}
.home-hero h1 em{color:#e1b98f}
.home-hero .hero-support{max-width:44rem;margin-top:var(--space-6);color:var(--color-on-dark-muted);font-size:var(--font-size-body-large)}
.home-hero .eyebrow,.home-hero .text-link,.home-hero .photo-note{color:var(--color-on-dark-muted)}
.home-hero .button{background:var(--color-warm-ivory);border-color:var(--color-warm-ivory);color:var(--color-deep-ink)}
.home-hero .portrait{min-height:clamp(30rem,46vw,38rem);border-radius:var(--radius-lg);overflow:hidden}
.home-hero .portrait-bottom p{color:#565961}
.why-section,.offers-section,.life-v3{background:var(--color-background-secondary)}
.why-grid,.model-grid,.story-layout,.final-cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,7vw,6rem);align-items:center}
.why-copy>p{font-size:clamp(1.15rem,2vw,1.4rem);line-height:1.7;color:var(--color-text-secondary)}
.micro-flow{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3);margin-top:var(--space-6)}
.micro-flow span{padding:.6rem .9rem;border:1px solid var(--color-border-strong);border-radius:var(--radius-pill);font-weight:var(--font-weight-semibold)}
.micro-flow b{color:var(--color-warm-copper)}
.expertise-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-4)}
.expertise-card{min-height:18rem}.expertise-card>span,.proof-card figcaption>span{color:var(--color-intelligence-teal);font:var(--font-weight-bold) var(--font-size-label)/1.4 var(--font-family-heading);letter-spacing:var(--letter-spacing-label)}
.expertise-card h3{margin:var(--space-8) 0 var(--space-3)}.expertise-card p{color:var(--color-text-secondary)}.expertise-card small{display:block;margin-top:var(--space-5);color:var(--color-text-muted)}
.signature-method,.signature-model{background:var(--color-deep-ink);color:var(--color-on-dark)}
.signature-method h2,.signature-method h3,.signature-model h2{color:var(--color-on-dark)}
.signature-method .section-header>p,.signature-model p{color:var(--color-on-dark-muted)}
.signature-method .eyebrow,.signature-model .eyebrow{color:#e1b98f}
.method-flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--space-3);padding:0;list-style:none}
.method-flow li{position:relative;min-height:15rem;padding:var(--space-6);border:1px solid rgb(255 253 248 / 20%);border-radius:var(--radius-md)}
.method-flow li:not(:last-child)::after{content:"→";position:absolute;right:calc(var(--space-3)*-.5);top:2rem;transform:translateX(50%);z-index:2;color:#e1b98f;background:var(--color-deep-ink)}
.method-flow b{color:#e1b98f}.method-flow h3{margin:var(--space-8) 0 var(--space-3)}.method-flow p{color:var(--color-on-dark-muted);font-size:var(--font-size-small)}
.model-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-3);list-style:none;padding:0}
.model-flow li{position:relative;display:grid;place-items:center;min-height:9rem;padding:var(--space-4);text-align:center;border:1px solid rgb(255 253 248 / 20%);border-radius:50%}
.model-flow li:not(:last-child)::after{content:"→";position:absolute;right:calc(var(--space-3)*-.5);transform:translateX(50%);color:#e1b98f}
.model-flow span{font:var(--font-weight-bold) var(--font-size-small)/1.3 var(--font-family-heading)}.model-flow small{color:var(--color-on-dark-muted)}
.proof-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-4)}
.proof-card{margin:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-subtle)}
.proof-card img{width:100%;height:14rem;object-fit:cover;display:block}.proof-card figcaption{padding:var(--space-5)}.proof-card h3{margin:var(--space-3) 0 0}.proof-card p{margin-top:var(--space-3);color:var(--color-text-secondary)}
.proof-main{grid-column:span 2;grid-row:span 2}.proof-main img{height:32rem}.proof-main figcaption{padding:var(--space-6)}
.topic-discovery{padding-block:var(--section-space)}
.story-portrait img{width:100%;max-height:44rem;object-fit:cover;object-position:center 25%;border-radius:var(--radius-lg)}
.story-steps{margin-top:var(--space-8)}.story-steps article{display:grid;grid-template-columns:3rem 1fr;gap:var(--space-4);padding-block:var(--space-5);border-top:1px solid var(--color-border)}.story-steps b{color:var(--color-warm-copper)}.story-steps h3{margin-bottom:var(--space-2)}.story-steps p{color:var(--color-text-secondary)}
.life-pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-4);margin-bottom:var(--space-10)}.life-pillars article{padding:var(--card-padding);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md)}.life-pillars b{color:var(--color-intelligence-teal);font-size:var(--font-size-label);letter-spacing:var(--letter-spacing-label)}.life-pillars h3{margin:var(--space-5) 0 var(--space-3)}.life-pillars p{color:var(--color-text-secondary)}
.life-gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--space-4)}.life-gallery figure{position:relative;overflow:hidden;margin:0;border-radius:var(--radius-md);background:var(--color-deep-ink)}.life-gallery figure:first-child{grid-row:span 2}.life-gallery img{width:100%;height:100%;min-height:15rem;object-fit:cover;display:block}.life-gallery figcaption{position:absolute;inset:auto 0 0;padding:var(--space-5);color:var(--color-on-dark);background:linear-gradient(transparent,rgb(16 42 67 / 92%))}.life-gallery figcaption span{font-size:var(--font-size-label);letter-spacing:var(--letter-spacing-label)}.life-gallery.compact{grid-template-columns:repeat(3,minmax(0,1fr));padding-bottom:var(--space-5)}.life-gallery.compact figure:first-child{grid-row:auto}.life-gallery.compact img{height:14rem}
.creative-v3{background:var(--color-background-primary)}
.final-cta{background:var(--color-deep-ink);color:var(--color-on-dark)}.final-cta h2{color:var(--color-on-dark)}.final-cta h2 em{color:#e1b98f}.final-cta p,.final-cta .text-link,.final-cta .eyebrow{color:var(--color-on-dark-muted)}.final-cta .contact-panel{color:var(--color-text-primary)}.final-cta label{display:block;margin-top:var(--space-5);font-size:var(--font-size-small)}
@media(max-width:70rem){.expertise-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.method-flow{grid-template-columns:repeat(3,minmax(0,1fr))}.proof-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:50rem){.home-hero-grid,.why-grid,.model-grid,.story-layout,.final-cta-grid{grid-template-columns:1fr}.home-hero .hero-evidence{max-width:34rem}.method-flow{grid-template-columns:1fr 1fr}.method-flow li{min-height:12rem}.method-flow li::after,.model-flow li::after{display:none}.model-flow{grid-template-columns:1fr 1fr}.proof-main{grid-row:auto}.proof-main img{height:22rem}.life-gallery{grid-template-columns:1fr 1fr}.life-gallery figure:first-child{grid-column:span 2;grid-row:auto}.life-gallery.compact{grid-template-columns:1fr 1fr}}
@media(max-width:38rem){.home-v3 section{padding-block:3.25rem}.home-hero h1{font-size:clamp(2.1rem,11vw,3rem)}.home-hero .portrait{min-height:29rem}.expertise-grid,.method-flow,.model-flow,.proof-grid,.life-pillars,.life-gallery,.life-gallery.compact{grid-template-columns:1fr}.expertise-card{min-height:auto}.method-flow li{min-height:auto}.model-flow li{min-height:6rem;border-radius:var(--radius-md)}.proof-main{grid-column:auto}.proof-card img,.proof-main img{height:14rem}.life-gallery figure:first-child{grid-column:auto}.life-gallery img{min-height:14rem}.contextual-cta h2{font-size:1.65rem}.final-cta .contact-detail strong{font-size:1rem}}

/* Autopilot completion — editorial routes and evidence system */
.editorial-page .page-hero{background:linear-gradient(135deg,var(--color-deep-ink),#173d58);color:var(--color-on-dark);padding-block:clamp(4rem,8vw,7rem)}
.editorial-page .page-hero h1{max-width:64rem;color:var(--color-on-dark)}
.editorial-page .page-hero h1 em{color:#e1b98f}
.editorial-page .page-hero p{max-width:50rem;color:var(--color-on-dark-muted);font-size:var(--font-size-body-large)}
.editorial-page .page-hero .eyebrow,.editorial-page .breadcrumb,.editorial-page .breadcrumb a{color:#e1b98f}
.page-hero .breadcrumb{position:static;display:flex;flex-flow:row wrap;align-items:center;gap:.55rem;width:auto;padding:0;margin:0 0 var(--space-5);border:0;background:transparent;font-size:var(--font-size-small)}
.page-hero .breadcrumb a{padding:0}
.editorial-split{display:grid;grid-template-columns:minmax(18rem,.82fr) minmax(0,1.18fr);gap:clamp(2.5rem,7vw,6rem);align-items:center}
.editorial-split.reverse{grid-template-columns:minmax(0,1fr) minmax(18rem,.8fr)}
.editorial-portrait,.editorial-image{margin:0;width:100%;border-radius:var(--radius-lg);overflow:hidden}
.editorial-portrait img,.editorial-image{width:100%;max-height:42rem;object-fit:cover;object-position:center 24%;display:block}
.editorial-split .lead{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--color-text-primary)}
.editorial-split p{margin-top:var(--space-5);color:var(--color-text-secondary)}
.editorial-split .text-link{display:inline-block;margin-top:var(--space-6)}
.flow-system small{display:block;margin-top:.45rem;color:inherit;font-weight:var(--font-weight-regular);opacity:.76}
.evidence-grid,.proof-led{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-4)}
.evidence-card,.proof-led article{padding:var(--card-padding);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-subtle)}
.evidence-card>span,.proof-led span{color:var(--color-intelligence-teal);font:var(--font-weight-bold) var(--font-size-label)/1.4 var(--font-family-heading);letter-spacing:var(--letter-spacing-label)}
.evidence-card h3,.proof-led h3{margin:var(--space-7) 0 var(--space-4)}
.evidence-card p,.proof-led p{margin-top:var(--space-3);color:var(--color-text-secondary)}
.evidence-card a,.proof-led a{display:inline-block;margin-top:var(--space-6);font-weight:var(--font-weight-semibold);color:var(--color-deep-ink);border-bottom:1px solid var(--color-warm-copper)}
.evidence-card.pending,.proof-led .pending{background:transparent;border-style:dashed;box-shadow:none}
.proof-led{margin-bottom:var(--space-8)}
.contact-steps{list-style:none;padding:0;margin:var(--space-8) 0 0}
.contact-steps li{display:grid;grid-template-columns:3rem 1fr;gap:var(--space-4);padding-block:var(--space-5);border-top:1px solid var(--color-border)}
.contact-steps b{color:var(--color-warm-copper)}
.contact-page-panel{padding:clamp(1.5rem,4vw,3rem);border-radius:var(--radius-lg)}
.contact-page-panel .button{width:100%;margin-top:var(--space-6)}
.privacy-note{font-size:var(--font-size-small);color:var(--color-text-muted)}
.site-nav a[aria-current="page"]{color:var(--color-warm-copper)}
@media(max-width:70rem){.evidence-grid,.proof-led{grid-template-columns:1fr 1fr}.proof-led article:last-child{grid-column:1/-1}}
@media(max-width:50rem){.page-hero .breadcrumb{position:static;display:flex;flex-direction:row;align-items:center;padding:0;background:transparent;border:0}.page-hero .breadcrumb a{padding:0;font-size:inherit}.editorial-split,.editorial-split.reverse{grid-template-columns:1fr}.editorial-split.reverse .editorial-image{grid-row:1}.editorial-portrait img,.editorial-image{max-height:32rem}.evidence-grid,.proof-led{grid-template-columns:1fr}.proof-led article:last-child{grid-column:auto}}
@media(max-width:38rem){.editorial-page .page-hero{padding-block:3.25rem}.editorial-page .page-hero h1{font-size:clamp(2rem,10vw,2.75rem)}.evidence-card,.proof-led article{padding:1.25rem}.editorial-portrait img,.editorial-image{max-height:26rem}.contact-page-panel{padding:1.25rem}}

.course-philosophy{margin:var(--space-7) 0 var(--space-5)}.course-method{margin-bottom:var(--space-8)}@media(max-width:700px){.course-philosophy{margin-top:var(--space-6)}.course-method{margin-bottom:var(--space-7)}}

/* Course method sits on ivory, unlike the dark homepage method section. */
.course-method p{color:var(--color-text-secondary);font-size:var(--font-size-body);font-weight:500}
.course-method b{color:#82603b}
.course-method li{border-color:var(--color-border)}

/* Resource navigation: room for seven links, with the same mobile controller. */
.site-header .brand{flex-shrink:0}
.site-header .site-nav{gap:.35rem;font-size:.75rem}
.site-header .site-nav a{padding-inline:.4rem}
@media(max-width:90rem){.site-header .header-row>.button{display:none}}
@media(max-width:75rem){
  .site-header .header-row{height:4.625rem;min-height:4.625rem}
  .site-header .menu{display:grid;place-items:center;min-width:2.75rem;min-height:2.75rem}
  .site-header .site-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--color-surface);padding:1rem var(--container-gutter);border-bottom:1px solid var(--color-border);max-height:calc(100dvh - 4.625rem);overflow-y:auto}
  .site-header .site-nav.open{display:flex}
  .site-header .site-nav a{padding:.6rem .5rem;font-size:.9375rem}
  .site-header .site-nav a::after{bottom:.25rem;right:auto;width:2rem}
  .site-header .header-row>.button{display:none}
}
@media(min-width:75.01rem){.site-header .menu{display:none}}

/* Final approved brand color system — 2026-09-22 */
.site-header{background:rgb(255 253 248 / 94%);border-bottom-color:var(--color-border)}
.brand strong{color:var(--color-deep-ink)}
.brand small{color:var(--color-text-muted)}
.button{background:var(--color-action-primary);border-color:var(--color-action-primary);color:var(--color-on-dark)}
.button:hover,.button:focus-visible{background:var(--color-action-hover);border-color:var(--color-action-hover)}
.home-v3 .home-hero{background:radial-gradient(circle at 83% 23%,rgb(183 132 79 / 22%),transparent 31%),linear-gradient(145deg,#28241f,#35342e 62%,#4f5748);color:var(--color-on-dark)}
.editorial-page .page-hero,.page-hero{background:linear-gradient(135deg,#28241f,#4f5748);color:var(--color-on-dark)}
.home-hero .positioning,.home-hero h1 em,.signature-method .eyebrow,.signature-model .eyebrow,.final-cta h2 em,.editorial-page .page-hero h1 em,.editorial-page .page-hero .eyebrow,.editorial-page .breadcrumb,.editorial-page .breadcrumb a{color:#d7ad7f}
.signature-method,.signature-model,.final-cta{background:linear-gradient(145deg,#28241f,#36352f 68%,#4f5748)}
.site-footer{background:#28241f;color:var(--color-on-dark);border-top:0}
.site-footer .brand strong,.site-footer .brand small,.site-footer p,.site-footer a{color:var(--color-on-dark)}
.site-footer .text-link{border-bottom-color:var(--color-warm-copper)}
.preserved-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4)}
.preserved-gallery--five{grid-template-columns:repeat(3,minmax(0,1fr))}
.preserved-gallery figure{position:relative;min-height:20rem;margin:0;overflow:hidden;border-radius:var(--radius-md);background:var(--color-deep-ink)}
.preserved-gallery img{width:100%;height:100%;min-height:20rem;object-fit:cover;display:block}
.preserved-gallery figcaption{position:absolute;inset:auto 0 0;padding:var(--space-5);color:var(--color-on-dark);font:var(--font-weight-bold) var(--font-size-label)/1.4 var(--font-family-heading);letter-spacing:var(--letter-spacing-label);background:linear-gradient(transparent,rgb(40 36 31 / 92%))}
.faq-list{max-width:58rem;margin-inline:auto}.faq-list details{padding:var(--space-5) 0;border-top:1px solid var(--color-border)}.faq-list summary{cursor:pointer;font-weight:var(--font-weight-semibold);color:var(--color-deep-ink)}.faq-list p{margin-top:var(--space-3);color:var(--color-text-secondary)}
@media(max-width:50rem){.preserved-gallery--five{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:38rem){.preserved-gallery,.preserved-gallery--five{grid-template-columns:1fr}.preserved-gallery figure,.preserved-gallery img{min-height:15rem}}