/* Atlas Intelligence — Main Site Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Source+Sans+3:wght@300;400;600;700&display=swap');

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

:root {
  --navy:       #0A1628;
  --navy-mid:   #1B3A5C;
  --navy-deep:  #0D1F36;
  --cream:      #F5F0E8;
  --off-white:  #F9F7F4;
  --white:      #FFFFFF;
  --label:      #9B8570;
  --number:     #7A95B0;
  --heading:    #1A2332;
  --body:       #4A5568;
  --body-light: #6B7280;
  --gold:       #B8975A;
  --mid-line:   #E2DDD6;
  --card-bg:    #F2F4F7;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Source Sans 3', 'Source Sans Pro', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* ── NAVIGATION ─────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 40px;
}

.nav-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--heading);
  text-decoration: none;
  text-transform: uppercase;
  line-height: 1;
}

.nav-logo span {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--gold);
  display: block;
  margin-top: 4px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--body);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--heading); }
.nav-links a.active { color: var(--heading); }

.nav-links a.nav-cta {
  border: 1.5px solid var(--navy);
  color: var(--navy);
  padding: 8px 18px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  transition: background 0.2s, color 0.2s;
}

.nav-links a.nav-cta:hover {
  background: var(--navy);
  color: var(--white);
}

.nav-links a.nav-index {
  color: var(--navy-mid);
  border-bottom: 1.5px solid var(--gold);
  padding-bottom: 1px;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--heading);
  margin: 5px 0;
  transition: 0.3s;
}

/* ── HERO ───────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 40px 100px;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.eyebrow {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold);
  opacity: 0.7;
}

.eyebrow--gold  { color: var(--gold); }
.eyebrow--mid   { color: var(--number); }

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--white);
  max-width: 680px;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.hero-body {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(200,210,225,0.82);
  max-width: 540px;
  margin-bottom: 48px;
  font-weight: 300;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── PAGE HEADER (inner pages) ──────────────────────── */
.page-header {
  background: var(--navy);
  padding: 140px 40px 80px;
}

.page-header-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.12;
  max-width: 700px;
  letter-spacing: -0.01em;
}

/* ── BUTTONS ────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 34px;
  border: 1.5px solid;
  transition: all 0.25s;
  cursor: pointer;
}

.btn-primary {
  border-color: var(--white);
  color: var(--white);
  background: transparent;
}

.btn-primary:hover {
  background: var(--white);
  color: var(--navy);
}

.btn-ghost {
  border-color: rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.65);
  background: transparent;
}

.btn-ghost:hover {
  border-color: rgba(255,255,255,0.65);
  color: var(--white);
}

.btn-dark {
  border-color: var(--heading);
  color: var(--heading);
  background: transparent;
}

.btn-dark:hover {
  background: var(--heading);
  color: var(--white);
}

.btn-navy {
  border-color: var(--white);
  color: var(--white);
  background: transparent;
}

.btn-navy:hover {
  background: var(--white);
  color: var(--navy);
}

/* ── SECTION SHARED ─────────────────────────────────── */
section { width: 100%; }

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}

/* ── ABOUT SECTION ──────────────────────────────────── */
.about {
  background: var(--white);
  padding: 108px 0;
}

.about .section-inner { max-width: 760px; }

.about h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--heading);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.about p {
  font-size: 17px;
  line-height: 1.85;
  color: var(--body);
  margin-bottom: 20px;
}

.about blockquote {
  border-left: 3px solid var(--gold);
  padding: 4px 0 4px 24px;
  margin: 36px 0;
  font-family: var(--font-serif);
  font-size: 20px;
  font-style: italic;
  color: var(--heading);
  line-height: 1.5;
}

/* ── MOBILITY CYCLE (dark) ──────────────────────────── */
.cycle {
  background: var(--navy-deep);
  padding: 108px 0;
}

.cycle-header {
  margin-bottom: 64px;
}

.cycle-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.cycle-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}

.cycle h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  max-width: 580px;
  letter-spacing: -0.01em;
}

.stages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.06);
}

.stage {
  padding: 44px 36px;
  background: var(--navy-deep);
  border-top: 2px solid transparent;
  transition: border-color 0.3s;
}

.stage:hover { border-color: var(--gold); }

.stage-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  opacity: 0.5;
  margin-bottom: 20px;
}

.stage h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.28;
  margin-bottom: 16px;
}

.stage-desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(200,215,230,0.78);
}

.stage-badge {
  display: inline-block;
  margin-top: 18px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(184,151,90,0.45);
  padding: 5px 12px;
}

/* ── INTELLIGENCE OUTPUT ────────────────────────────── */
.intelligence {
  background: var(--cream);
  padding: 108px 0;
}

.intelligence .section-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.intelligence h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--heading);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.intelligence p {
  font-size: 16px;
  line-height: 1.82;
  color: var(--body);
  margin-bottom: 18px;
}

.intelligence .index-name { font-weight: 600; color: var(--heading); }

.intelligence .view-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--heading);
  text-decoration: none;
  border-bottom: 1.5px solid var(--heading);
  padding-bottom: 2px;
  transition: opacity 0.2s;
}

.intelligence .view-link:hover { opacity: 0.55; }

.data-panel {
  background: var(--navy);
  padding: 48px 44px;
  position: relative;
  overflow: hidden;
}

#data-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.9;
}

.data-panel-label {
  position: relative;
  z-index: 2;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
  margin-bottom: 44px;
}

/* ── KEY OBSERVATIONS ───────────────────────────────── */
.observations {
  background: var(--white);
  padding: 108px 0;
}

.observations-header {
  margin-bottom: 60px;
}

.observations h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.15;
  max-width: 640px;
  margin-top: 16px;
  letter-spacing: -0.01em;
}

.obs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--mid-line);
}

.obs-item {
  padding: 40px 0;
  border-bottom: 1px solid var(--mid-line);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  align-items: start;
}

.obs-item:nth-child(odd) { padding-right: 60px; border-right: 1px solid var(--mid-line); }
.obs-item:nth-child(even) { padding-left: 60px; }

.obs-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  padding-top: 6px;
}

.obs-item h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.28;
  margin-bottom: 12px;
}

.obs-item p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--body);
}

/* ── RESEARCH TILES ─────────────────────────────────── */
.research {
  background: var(--cream);
  padding: 108px 0;
}

.research-header {
  margin-bottom: 52px;
}

.research h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.15;
  max-width: 600px;
  margin-top: 16px;
  letter-spacing: -0.01em;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.research-tile {
  background: var(--white);
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s;
}

.research-tile:hover { box-shadow: 0 8px 32px rgba(10,22,40,0.08); }

.tile-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.tile-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.28;
  margin-bottom: 10px;
}

.tile-sub {
  font-size: 13.5px;
  font-style: italic;
  color: var(--body-light);
  margin-bottom: 16px;
  line-height: 1.55;
}

.tile-teaser {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--body);
  flex: 1;
  margin-bottom: 26px;
}

.tile-cta {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-mid);
  text-decoration: none;
  border-bottom: 1.5px solid var(--navy-mid);
  padding-bottom: 2px;
  display: inline-block;
  transition: opacity 0.2s;
}

.tile-cta:hover { opacity: 0.55; }

/* ── CTA STRIP ──────────────────────────────────────── */
.cta-strip {
  background: var(--navy);
  padding: 120px 40px;
  text-align: center;
}

.cta-strip h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 600;
  color: var(--white);
  line-height: 1.18;
  max-width: 640px;
  margin: 0 auto 16px;
  letter-spacing: -0.01em;
}

.cta-strip p {
  font-size: 16px;
  color: rgba(200,215,230,0.72);
  max-width: 480px;
  margin: 0 auto 44px;
  line-height: 1.7;
}

/* ── CONTENT SECTIONS (inner pages) ─────────────────── */
.content-section {
  padding: 96px 0;
}

.content-section--cream { background: var(--cream); }
.content-section--white { background: var(--white); }
.content-section--navy  { background: var(--navy); padding: 108px 0; }

.content-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.18;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.content-section--navy h2 { color: var(--white); }

.content-section p {
  font-size: 16px;
  line-height: 1.82;
  color: var(--body);
  margin-bottom: 18px;
  max-width: 680px;
}

.content-section b, .content-section strong {
  font-weight: 600;
  color: var(--heading);
}

/* ── GRID LAYOUTS ───────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.framework-item {
  padding: 36px 0;
  border-top: 1px solid var(--mid-line);
}

.framework-item:last-child { border-bottom: 1px solid var(--mid-line); }

.framework-num {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 14px;
}

.framework-item h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.28;
  margin-bottom: 12px;
}

.framework-item p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--body);
  max-width: 100%;
}

/* ── PROCESS STEPS ──────────────────────────────────── */
.process-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 28px;
  padding: 36px 0;
  border-top: 1px solid var(--mid-line);
  align-items: start;
}

.process-step:last-child { border-bottom: 1px solid var(--mid-line); }

.process-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  padding-top: 8px;
}

.process-step h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.25;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--body);
  max-width: 100%;
  margin-bottom: 0;
}

/* ── DATA BOXES ─────────────────────────────────────── */
.data-box {
  background: var(--card-bg);
  padding: 36px 32px;
  border-left: 3px solid var(--gold);
}

.data-box-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.data-box h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 14px;
}

.data-box p { font-size: 14.5px; line-height: 1.78; max-width: 100%; margin-bottom: 12px; }

.data-box .metric {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--navy-mid);
  display: inline-block;
  margin-top: 8px;
  background: rgba(27,58,92,0.08);
  padding: 4px 12px;
}

/* ── FORM ───────────────────────────────────────────── */
.form-wrap {
  background: var(--white);
  padding: 108px 0;
}

.form-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 40px;
}

.form-inner h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.form-inner > p {
  font-size: 17px;
  color: var(--body);
  margin-bottom: 48px;
  line-height: 1.7;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--mid-line);
  background: var(--off-white);
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--heading);
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--navy-mid);
  background: var(--white);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-contact {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--mid-line);
}

.form-contact h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 6px;
}

.form-contact p { font-size: 14.5px; line-height: 1.7; max-width: 100%; }

.form-notice {
  margin-top: 32px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--body-light);
}

/* ── FOOTER ─────────────────────────────────────────── */
footer {
  background: var(--navy-deep);
  padding: 64px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
}

.footer-brand {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 14px;
}

.footer-brand span {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.14em;
  margin-top: 4px;
}

.footer-tagline {
  font-size: 13.5px;
  color: rgba(200,215,230,0.55);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 320px;
}

.footer-copy {
  font-size: 11px;
  color: rgba(200,215,230,0.3);
  letter-spacing: 0.08em;
}

.footer-nav h4 {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(200,215,230,0.4);
  margin-bottom: 18px;
}

.footer-nav a {
  display: block;
  font-size: 13.5px;
  color: rgba(200,215,230,0.65);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--white); }

.footer-nav a.footer-index {
  color: var(--gold);
  opacity: 0.85;
}

.footer-nav a.footer-index:hover { opacity: 1; }

/* ── FOUNDER SECTION ────────────────────────────────── */
.founder-section {
  background: var(--navy);
  padding: 100px 0;
}

.founder-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 80px;
  align-items: center;
}

.founder-photo-wrap {
  display: flex;
  justify-content: center;
}

.founder-photo {
  width: 240px;
  height: 240px;
  object-fit: cover;
  object-position: center top;
  border: 2px solid rgba(184,151,90,0.35);
  display: block;
}

.founder-photo-placeholder {
  width: 240px;
  height: 240px;
  background: var(--navy-mid);
  border: 2px solid rgba(184,151,90,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 400;
  color: rgba(184,151,90,0.55);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.founder-bio .section-label { color: var(--gold); }

.founder-bio h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.founder-bio p {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(200,215,230,0.82);
  margin-bottom: 16px;
  max-width: 640px;
}

.founder-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1.5px solid rgba(184,151,90,0.45);
  padding-bottom: 3px;
  transition: border-color 0.2s, opacity 0.2s;
}

.founder-linkedin:hover {
  border-color: var(--gold);
  opacity: 0.8;
}

/* ── VALIDATION CALLOUT ─────────────────────────────── */
.validation-callout {
  margin-top: 52px;
  padding: 28px 36px;
  border-left: 3px solid var(--gold);
  background: rgba(184,151,90,0.06);
}

.validation-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.validation-label::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}

.validation-callout p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--body);
  max-width: 680px;
  margin-bottom: 0;
  font-style: italic;
}

/* ── INDEX PROMO SECTION ────────────────────────────── */
.index-promo {
  background: var(--navy-deep);
  padding: 108px 40px;
  text-align: center;
}

.index-promo .section-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 40px;
}

.index-promo-eyebrow {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.index-promo-eyebrow::before,
.index-promo-eyebrow::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold);
  opacity: 0.45;
}

.index-promo h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.8vw, 50px);
  font-weight: 700;
  color: var(--white);
  max-width: 680px;
  line-height: 1.14;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.index-promo p {
  font-size: 17px;
  color: rgba(200,215,230,0.72);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 48px;
}

.index-update-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(184,151,90,0.7);
}

.index-update-badge::before {
  content: '';
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.65;
}

/* ── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 900px) {
  .stages-grid { grid-template-columns: 1fr 1fr; }
  .intelligence .section-inner { grid-template-columns: 1fr; gap: 48px; }
  .research-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .obs-grid { grid-template-columns: 1fr; }
  .obs-item:nth-child(odd) { padding-right: 0; border-right: none; }
  .obs-item:nth-child(even) { padding-left: 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .founder-grid { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .founder-photo-wrap { justify-content: center; }
  .founder-bio .section-label { justify-content: center; }
  .founder-bio p { margin-left: auto; margin-right: auto; }
}

@media (max-width: 640px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; flex-direction: column; }
  .nav-mobile-toggle { display: block; }
  .hero { padding: 100px 24px 80px; }
  .page-header { padding: 110px 24px 60px; }
  .section-inner { padding: 0 24px; }
  .stages-grid { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .cta-strip { padding: 80px 24px; }
  .form-inner { padding: 0 24px; }
  .index-promo { padding: 80px 24px; }
  .index-promo .section-inner { padding: 0; }
  .founder-section { padding: 72px 0; }
  .validation-callout { padding: 24px 24px; }
}