/* ============================================================
   EduNeuro Main Site — AFS.org-inspired design system
   Sans: Montserrat (Gotham web alt) · Serif: Source Serif 4 (Plantin alt)
   Body: Source Sans 3 · Palette: institutional blue + clean neutrals
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --blue: #006DB7;
  --blue-dark: #004E87;
  --blue-light: #0082D4;
  --blue-soft: #E8F3FA;
  --blue-muted: #B8D9F0;

  --text: #2D2D2D;
  --text-muted: #5C5C5C;
  --text-light: #888888;

  --bg: #FFFFFF;
  --bg-alt: #F4F7FA;
  --border: #DDE4EC;

  --font-sans: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;

  --header-height: 72px;
  --utility-height: 36px;
  --max-width: 1200px;
  --radius: 4px;
  --shadow: 0 4px 24px rgba(0, 77, 135, 0.08);
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--utility-height) + 1rem);
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--blue);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--blue-dark);
}

.container {
  width: min(var(--max-width), 92%);
  margin-inline: auto;
}

.centered { text-align: center; }
.narrow { max-width: 780px; margin-inline: auto; }

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  border-radius: 0 0 4px 4px;
}

.skip-link:focus { top: 0; }

:focus-visible {
  outline: 3px solid var(--blue-light);
  outline-offset: 2px;
}

/* Utility bar */
.utility-bar {
  background: var(--blue-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.78rem;
  height: var(--utility-height);
  display: flex;
  align-items: center;
}

.utility-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.utility-tagline {
  font-weight: 500;
  letter-spacing: 0.02em;
}

.utility-links {
  display: flex;
  gap: 1.25rem;
}

.utility-links a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.utility-links a:hover {
  color: #fff;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
}

.brand:hover { color: inherit; }

.brand-mark {
  width: 36px;
  height: 36px;
  background: var(--blue);
  border-radius: 4px 4px 4px 0;
  position: relative;
  clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
}

.brand-mark::after {
  content: '';
  position: absolute;
  inset: 8px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--blue);
}

.brand-logo {
  height: 36px;
  width: auto;
  display: block;
}

.footer-logo {
  margin-bottom: 0.75rem;
  height: 32px;
  width: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  list-style: none;
}

.nav-list a {
  display: block;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
  border-radius: var(--radius);
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--blue);
  background: var(--blue-soft);
}

.nav-list .nav-cta {
  background: var(--blue);
  color: #fff !important;
  margin-left: 0.5rem;
  padding: 0.55rem 1.1rem;
}

.nav-list .nav-cta:hover {
  background: var(--blue-dark);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}

.btn-primary:hover {
  background: var(--blue-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}

.btn-secondary:hover {
  background: var(--blue-soft);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* Hero */
.hero {
  position: relative;
  background: var(--blue);
  color: #fff;
  padding: 4.5rem 0 5rem;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(0, 78, 135, 0.92) 0%, rgba(0, 109, 183, 0.85) 100%),
    url('https://images.unsplash.com/photo-1503676260728-1c00da094a0b?w=1600&q=80') center/cover no-repeat;
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.7;
  opacity: 0.92;
  margin-bottom: 1.75rem;
  max-width: 680px;
}

.hero-abilities {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin-bottom: 2rem;
}

.hero-abilities li {
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-blue {
  background: var(--blue-dark);
  color: #fff;
}

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
}

.section-label--light {
  color: var(--blue-muted);
}

.section-intro {
  margin-bottom: 3rem;
}

.section-intro h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 0.85rem;
}

.section-blue .section-intro h2,
.section-blue .section-intro p {
  color: #fff;
}

.section-intro p {
  color: var(--text-muted);
  font-size: 1.0625rem;
  max-width: 680px;
}

.section-intro.centered p {
  margin-inline: auto;
}

.lead {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
}

/* Pillars (AFS three-way impact) */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: 4px solid var(--blue);
  padding: 2rem 1.75rem;
  transition: box-shadow var(--transition);
}

.pillar-card:hover {
  box-shadow: var(--shadow);
}

.pillar-num {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--blue-light);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.pillar-card h3 {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.pillar-card p {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Split sections */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.split-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 2.8vw, 2.15rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.split-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.pull-quote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  border-left: 4px solid var(--blue);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
}

.callout-box {
  background: var(--blue-soft);
  border-left: 4px solid var(--blue);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
}

.callout-question {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 0.35rem;
}

.check-list {
  list-style: none;
  margin-bottom: 2rem;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.975rem;
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 10px;
  height: 10px;
  background: var(--blue);
  border-radius: 2px;
}

.compare-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.compare-col {
  padding: 1.25rem 1.5rem;
}

.compare-col strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.compare-col span {
  font-size: 0.875rem;
  line-height: 1.5;
}

.compare-col--old {
  background: #fff;
  color: var(--text-muted);
}

.compare-col--new {
  background: var(--blue);
  color: #fff;
}

/* Journey line */
.journey-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.5rem;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--blue-dark);
}

.journey-arrow {
  color: var(--blue-light);
  font-weight: 400;
}

/* Framework grid */
.framework-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.framework-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: background var(--transition);
}

.framework-card:hover {
  background: rgba(255, 255, 255, 0.12);
}

.framework-card--wide {
  grid-column: 1 / -1;
}

.framework-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.75rem;
}

.framework-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.75rem;
}

.framework-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.85rem;
  line-height: 1.35;
}

.framework-card ul {
  list-style: none;
}

.framework-card li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.82);
}

.framework-card li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--blue-muted);
}

.framework-inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.framework-inline-list li {
  padding-left: 0;
}

.framework-inline-list li::before {
  display: none;
}

/* Process compare */
.process-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.process-col {
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
}

.process-col h3 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.process-col--new {
  border-color: var(--blue);
  border-top: 4px solid var(--blue);
}

.process-col--new h3 {
  color: var(--blue);
}

.process-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
}

.flow-arrow {
  color: var(--blue-light);
  font-weight: 400;
}

.process-flow span:not(.flow-arrow) {
  padding: 0.35rem 0.65rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
}

.process-col--new .process-flow span:not(.flow-arrow) {
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.case-study {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  padding: 2rem;
  border-radius: var(--radius);
}

.case-study h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.case-study p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-tags span {
  padding: 0.3rem 0.75rem;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 999px;
}

/* Journey cards (AFS program cards) */
.journey-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.journey-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}

.journey-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.journey-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.journey-card--featured .journey-card-image {
  width: 40%;
  min-height: 220px;
}

.journey-card--featured .journey-card-body {
  flex: 1;
}

.journey-card-image {
  height: 180px;
  background-size: cover;
  background-position: center;
}

.journey-card-image--1 { background-image: linear-gradient(135deg, #4A90D9, #006DB7); }
.journey-card-image--2 { background-image: linear-gradient(135deg, #00857A, #006DB7); }
.journey-card-image--3 { background-image: linear-gradient(135deg, #5B4FCF, #006DB7); }
.journey-card-image--4 { background-image: linear-gradient(135deg, #E87722, #006DB7); }
.journey-card-image--5 { background-image: linear-gradient(135deg, #C45C26, #1A365D); }

.journey-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.journey-age {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.5rem;
}

.journey-card h3 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.journey-card p {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex: 1;
}

.journey-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
}

.journey-link:hover {
  color: var(--blue-dark);
}

/* Platforms */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.platform-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}

.platform-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--blue);
  color: inherit;
}

.platform-tag {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.75rem;
}

.platform-card h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.platform-card p {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex: 1;
}

.platform-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
}

.platform-card:hover .platform-link {
  color: var(--blue-dark);
}

/* Skills table */
.skills-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.skills-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.skills-table th,
.skills-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.925rem;
}

.skills-table th {
  background: var(--blue);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.skills-table tbody tr:hover {
  background: var(--blue-soft);
}

.skills-table tr:last-child td {
  border-bottom: none;
}

/* Parents */
.balance-list,
.expect-list {
  list-style: none;
}

.balance-list li,
.expect-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.65rem;
  color: var(--text-muted);
  font-size: 0.975rem;
}

.balance-list li::before,
.expect-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
}

.split-visual h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

/* Quote section */
.section-quote {
  background: var(--blue);
  color: #fff;
  padding: 4.5rem 0;
}

.section-quote blockquote {
  border: none;
  margin: 0;
}

.section-quote blockquote p {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 600;
  line-height: 1.5;
  font-style: italic;
}

.quote-attribution {
  margin-top: 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.85;
}

/* Principles */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  list-style: none;
  counter-reset: principle;
  max-width: 900px;
  margin-inline: auto;
}

.principles-grid li {
  counter-increment: principle;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.975rem;
  color: var(--text-muted);
  position: relative;
}

.principles-grid li::before {
  content: counter(principle);
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--blue);
}

/* Founder */
.founder-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: center;
}

.founder-photo img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.founder-text h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 0.35rem;
}

.founder-title {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 1rem;
}

.founder-text p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Join */
.section-join {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.section-join h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 0.85rem;
}

.section-join > .container > p {
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

.join-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.join-card {
  display: block;
  padding: 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
  text-align: center;
  color: inherit;
  transition: box-shadow var(--transition);
}

.join-card:hover {
  box-shadow: var(--shadow);
  color: inherit;
}

.join-card strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.join-card span {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Footer */
.site-footer {
  background: var(--blue-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 3.5rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-brand {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.75rem;
}

.footer-brand-col p {
  font-size: 0.925rem;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.925rem;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.8125rem;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  box-shadow: var(--shadow);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--blue-dark);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .pillar-grid,
  .framework-grid,
  .journey-grid,
  .platform-grid,
  .join-options {
    grid-template-columns: repeat(2, 1fr);
  }

  .journey-card--featured {
    flex-direction: column;
  }

  .journey-card--featured .journey-card-image {
    width: 100%;
  }
}

@media (max-width: 900px) {
  .split-section,
  .process-compare,
  .founder-grid {
    grid-template-columns: 1fr;
  }

  .utility-tagline {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    position: fixed;
    top: calc(var(--header-height) + var(--utility-height));
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav-list.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list a {
    padding: 0.85rem 1rem;
  }

  .nav-list .nav-cta {
    margin-left: 0;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 3.5rem 0;
  }

  .pillar-grid,
  .framework-grid,
  .journey-grid,
  .platform-grid,
  .join-options,
  .principles-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .framework-card--wide {
    grid-column: auto;
  }

  .compare-strip {
    grid-template-columns: 1fr;
  }

  .journey-line {
    font-size: 0.68rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .journey-card:hover { transform: none; }
}

@media print {
  .utility-bar, .site-header, .back-to-top, .hero-actions { display: none !important; }
  .hero, .page-hero { padding-top: 2rem; }
  .reveal { opacity: 1; transform: none; }
}

/* Inner pages */
.page-hero {
  background: var(--blue);
  color: #fff;
  padding: 3.5rem 0 4rem;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  font-weight: 700;
  line-height: 1.15;
  max-width: 780px;
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.0625rem;
  opacity: 0.92;
  max-width: 640px;
  line-height: 1.65;
}

.page-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-weight: 600;
  font-style: italic;
  line-height: 1.55;
  color: var(--text);
  border-left: 4px solid var(--blue);
  padding-left: 1.5rem;
  text-align: left;
}

.framework-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.framework-detail {
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: 4px solid var(--blue);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
}

.framework-detail--wide {
  grid-column: 1 / -1;
}

.framework-detail h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
  color: var(--text);
}

.framework-detail > p {
  color: var(--text-muted);
  font-size: 0.975rem;
  margin-bottom: 1rem;
}

.framework-detail ul {
  list-style: none;
  margin-bottom: 1rem;
}

.framework-detail li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.framework-detail li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  background: var(--blue);
  border-radius: 50%;
}

.framework-letter--dark {
  background: var(--blue-soft);
  border-color: var(--blue-muted);
  color: var(--blue-dark);
}

.framework-map {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  margin: 0;
}

.philosophy-list {
  list-style: none;
  counter-reset: phil;
  max-width: 820px;
  margin-inline: auto;
}

.philosophy-list li {
  counter-increment: phil;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  padding-left: 3.5rem;
}

.philosophy-list li:last-child {
  border-bottom: none;
}

.philosophy-list li::before {
  content: counter(phil);
  position: absolute;
  left: 0;
  top: 2rem;
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue);
  opacity: 0.35;
}

.philosophy-list h2 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.philosophy-list p {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.65;
}

@media (max-width: 768px) {
  .framework-detail-grid {
    grid-template-columns: 1fr;
  }

  .framework-detail--wide {
    grid-column: auto;
  }
}