/* ============================================================
   MARKET & BEHAVIOURAL INTELLIGENCE LAB
   Design System — Dark & Light Themes
   ============================================================ */

/* --- Base Tokens (Dark theme — default) --- */
:root,
[data-theme="dark"] {
  --bg-deep:        #070d1a;
  --bg-primary:     #0b1120;
  --bg-secondary:   #0f1729;
  --bg-tertiary:    #141e33;
  --bg-surface:     #1a2640;
  --bg-elevated:    #1e2d4a;
  --bg-hover:       #243352;

  --text-primary:   #f0ede6;
  --text-secondary: #b5b3c4;
  --text-tertiary:  #7e7f94;
  --text-muted:     #5a5b6e;

  --lilac:          #a78bbd;
  --lilac-light:    #c4a8d8;
  --lilac-dim:      #7d6899;
  --blue-muted:     #6d87ab;
  --blue-soft:      #4a6a8e;
  --warm-accent:    #c9ab79;
  --warm-accent-dim:#a08652;

  --border-subtle:  rgba(255,255,255,0.05);
  --border-light:   rgba(255,255,255,0.08);
  --border-medium:  rgba(255,255,255,0.12);
  --nav-bg:         rgba(7,13,26,0.92);
  --card-shadow:    0 2px 12px rgba(0,0,0,0.3);
  --hero-gradient:  linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-primary) 100%);

  /* Evidence colours */
  --ev-fact-bg:     rgba(109,135,171,0.1);
  --ev-fact-border: rgba(109,135,171,0.25);
  --ev-fact-text:   #6d87ab;
  --ev-analysis-bg:     rgba(167,139,189,0.1);
  --ev-analysis-border: rgba(167,139,189,0.25);
  --ev-analysis-text:   #a78bbd;
  --ev-hyp-bg:     rgba(201,171,121,0.1);
  --ev-hyp-border: rgba(201,171,121,0.25);
  --ev-hyp-text:   #c9ab79;
  --ev-int-bg:     rgba(131,181,151,0.1);
  --ev-int-border: rgba(131,181,151,0.25);
  --ev-int-text:   #83b597;
  --ev-val-bg:     rgba(180,140,140,0.1);
  --ev-val-border: rgba(180,140,140,0.25);
  --ev-val-text:   #b48c8c;
}

/* --- Light Theme --- */
[data-theme="light"] {
  --bg-deep:        #f7f5f2;
  --bg-primary:     #ffffff;
  --bg-secondary:   #f3f1ee;
  --bg-tertiary:    #eae7e3;
  --bg-surface:     #e0ddd8;
  --bg-elevated:    #d6d3ce;
  --bg-hover:       #ccc9c4;

  --text-primary:   #1a1a2e;
  --text-secondary: #3d3d54;
  --text-tertiary:  #5c5c72;
  --text-muted:     #8a8a9e;

  --lilac:          #7b5ea7;
  --lilac-light:    #5a3d87;
  --lilac-dim:      #9b7ec0;
  --blue-muted:     #4a6a8e;
  --blue-soft:      #3a5a7e;
  --warm-accent:    #8b6b3a;
  --warm-accent-dim:#a0804e;

  --border-subtle:  rgba(0,0,0,0.06);
  --border-light:   rgba(0,0,0,0.09);
  --border-medium:  rgba(0,0,0,0.14);
  --nav-bg:         rgba(247,245,242,0.95);
  --card-shadow:    0 2px 12px rgba(0,0,0,0.06);
  --hero-gradient:  linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-primary) 100%);

  --ev-fact-bg:     rgba(74,106,142,0.08);
  --ev-fact-border: rgba(74,106,142,0.2);
  --ev-fact-text:   #3a5a7e;
  --ev-analysis-bg:     rgba(123,94,167,0.08);
  --ev-analysis-border: rgba(123,94,167,0.2);
  --ev-analysis-text:   #6b4e97;
  --ev-hyp-bg:     rgba(139,107,58,0.08);
  --ev-hyp-border: rgba(139,107,58,0.2);
  --ev-hyp-text:   #7a5a2a;
  --ev-int-bg:     rgba(60,130,80,0.08);
  --ev-int-border: rgba(60,130,80,0.2);
  --ev-int-text:   #2e7a46;
  --ev-val-bg:     rgba(140,90,90,0.08);
  --ev-val-border: rgba(140,90,90,0.2);
  --ev-val-text:   #8c4a4a;
}

/* --- Spacing & Typography Tokens --- */
:root {
  --font-serif: 'Cormorant Garamond', 'Georgia', serif;
  --font-sans:  'Inter', -apple-system, 'Segoe UI', sans-serif;
  --nav-height: 60px;
  --container:  1200px;
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2.5rem;
  --space-2xl:  4rem;
  --space-3xl:  6rem;
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --duration-fast: 150ms;
  --duration-med:  300ms;
  --duration-slow: 500ms;
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-secondary);
  background: var(--bg-deep);
  transition: background var(--duration-med) ease, color var(--duration-med) ease;
}

a { color: var(--lilac-light); text-decoration: none; transition: color var(--duration-fast); }
a:hover { color: var(--lilac); }

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

strong { color: var(--text-primary); font-weight: 600; }

em { color: var(--lilac); font-style: italic; }

::selection {
  background: rgba(167,139,189,0.25);
  color: var(--text-primary);
}

/* --- Container --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Navigation --- */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--duration-med) ease;
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
  margin-right: auto;
}

.nav-brand-mark {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 4px 8px;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.nav-brand-text {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.4;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-links a[data-nav] {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-tertiary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
  white-space: nowrap;
  text-decoration: none;
}

.nav-links a[data-nav]:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-links a[data-nav].active { color: var(--text-primary); border-bottom: 2px solid var(--lilac); }

.nav-cta {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-primary) !important;
  background: var(--lilac);
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none !important;
  margin-left: var(--space-sm);
  white-space: nowrap;
  transition: background var(--duration-fast);
}
.nav-cta:hover { background: var(--lilac-light); color: var(--text-primary) !important; }

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
  margin-left: var(--space-xs);
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--text-primary); border-color: var(--border-medium); }

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: all var(--duration-fast);
}

/* --- Hero --- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--hero-gradient);
  padding-top: var(--nav-height);
}
.hero-content {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}
.hero-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--text-primary);
  max-width: 22ch;
  margin-bottom: var(--space-lg);
}
.hero h1 em {
  font-style: italic;
  color: var(--lilac);
}
.hero-sub {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-tertiary);
  max-width: 52ch;
  margin-bottom: var(--space-xl);
}
.hero-ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}
.hero-metrics {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}
.hero-metric-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--text-primary);
}
.hero-metric-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: var(--space-xs);
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bg-deep);
  background: var(--lilac);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
  text-decoration: none;
}
.btn-primary:hover { background: var(--lilac-light); color: var(--bg-deep); transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 12px 24px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
  text-decoration: none;
}
.btn-secondary:hover { color: var(--text-primary); border-color: var(--lilac-dim); }

/* --- Chain Section --- */
.chain-section {
  padding: var(--space-xl) 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.chain-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 0.82rem;
}
.chain-step {
  font-weight: 500;
  color: var(--lilac);
  padding: 6px 14px;
  border: 1px solid var(--ev-analysis-border);
  border-radius: var(--radius-sm);
  background: var(--ev-analysis-bg);
}
.chain-arrow {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.chain-explain {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: var(--space-md);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

/* --- Sections --- */
.section {
  padding: var(--space-3xl) 0;
}
.section-alt {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-2xl));
}
.section-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lilac-dim);
  margin-bottom: var(--space-md);
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.25;
}
.section-intro {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-tertiary);
  max-width: 60ch;
  margin-bottom: var(--space-2xl);
}
.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: var(--space-2xl) 0;
}
.cta-center {
  text-align: center;
  margin-top: var(--space-xl);
}

/* --- Thesis Grid --- */
.thesis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.thesis-questions {
  list-style: none;
  padding: 0;
  margin-top: var(--space-md);
}
.thesis-questions li {
  margin-bottom: var(--space-sm);
  font-size: 0.92rem;
}
.thesis-connects {
  padding-left: var(--space-xl);
  border-left: 1px solid var(--border-subtle);
}
.connects-chain {
  font-size: 0.85rem;
  line-height: 2.2;
  color: var(--text-tertiary);
  margin-top: var(--space-md);
}

/* --- Capability Cards --- */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
}
.capability-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: border-color var(--duration-fast);
}
.capability-card:hover { border-color: var(--border-medium); }
.capability-card h3 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lilac);
  margin-bottom: var(--space-sm);
}
.capability-card p { font-size: 0.82rem; line-height: 1.6; }

/* --- Company Cards Grid (Atlas) --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-md);
}
.company-card {
  display: block;
  text-decoration: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--duration-med) var(--ease-out);
  color: inherit;
}
.company-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--card-shadow);
  transform: translateY(-3px);
}
.company-card[hidden] { display: none; }
.company-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.company-card-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}
.company-card-flagship {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warm-accent);
  background: rgba(201,171,121,0.1);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(201,171,121,0.2);
  white-space: nowrap;
}
.company-card-industry {
  font-size: 0.75rem;
  color: var(--blue-muted);
  margin-bottom: 2px;
}
.company-card-domain {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--space-sm);
}
.company-card-problem {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-tertiary);
  margin-bottom: var(--space-sm);
}
.company-card-mechanism {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Atlas Controls --- */
.atlas-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.atlas-search {
  flex: 1 1 320px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--duration-fast);
}
.atlas-search::placeholder { color: var(--text-muted); }
.atlas-search:focus { border-color: var(--lilac-dim); }
.atlas-select {
  padding: 10px 14px;
  font-size: 0.78rem;
  font-family: var(--font-sans);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  outline: none;
}
.atlas-count {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
}

/* --- Flagship Cards --- */
.flagship-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-md);
}
.flagship-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-secondary);
  border: 1px solid rgba(201,171,121,0.15);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: all var(--duration-med) var(--ease-out);
}
.flagship-card:hover {
  border-color: rgba(201,171,121,0.35);
  box-shadow: var(--card-shadow);
  transform: translateY(-3px);
}
.flagship-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warm-accent);
  margin-bottom: var(--space-sm);
}
.flagship-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}
.flagship-domain {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--space-md);
}
.flagship-problem {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-tertiary);
  margin-bottom: var(--space-sm);
}
.flagship-mechanism {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.flagship-industry {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: var(--space-md);
}

/* --- Company Page --- */
.company-page {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-3xl);
}
.company-back {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  transition: color var(--duration-fast);
  text-decoration: none;
}
.company-back:hover { color: var(--lilac); }

.company-hero-section {
  margin-bottom: var(--space-xl);
}
.company-industry-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-muted);
  margin-bottom: var(--space-sm);
}
.company-hero-section h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}
.company-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.company-meta-item {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}
.company-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}
.company-chip {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.chip-mechanism {
  color: var(--lilac);
  border: 1px solid var(--ev-analysis-border);
  background: var(--ev-analysis-bg);
}
.chip-thread {
  color: var(--blue-muted);
  border: 1px solid var(--ev-fact-border);
  background: var(--ev-fact-bg);
}

/* Recruiter Quick Check Box */
.recruiter-quick-check {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
  box-shadow: var(--card-shadow);
}
.quick-check-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}
.quick-check-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}
.quick-check-rule {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
}
.quick-check-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.quick-check-col {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  border: 1px solid var(--border-subtle);
}
.col-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: var(--space-sm);
}
.badge-fact { background: var(--ev-fact-bg); color: var(--ev-fact-text); border: 1px solid var(--ev-fact-border); }
.badge-hyp { background: var(--ev-hyp-bg); color: var(--ev-hyp-text); border: 1px solid var(--ev-hyp-border); }
.badge-analysis { background: var(--ev-analysis-bg); color: var(--ev-analysis-text); border: 1px solid var(--ev-analysis-border); }
.badge-val { background: var(--ev-val-bg); color: var(--ev-val-text); border: 1px solid var(--ev-val-border); }
.quick-check-col p {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* Diagnostic Inquiry Vectors Grid */
.inquiry-vectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.inquiry-vector-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color var(--duration-fast);
}
.inquiry-vector-card:hover { border-color: var(--border-medium); }
.vector-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--warm-accent);
  background: rgba(201,171,121,0.1);
  border: 1px solid rgba(201,171,121,0.2);
  padding: 2px 6px;
  border-radius: 3px;
  margin-bottom: var(--space-xs);
}
.inquiry-vector-card p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* 90-Day Roadmap Timeline */
.roadmap-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  border-left: 2px solid var(--border-light);
  padding-left: var(--space-lg);
  margin-left: var(--space-xs);
}
.roadmap-phase {
  position: relative;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.phase-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}
.phase-header strong {
  font-size: 0.85rem;
  color: var(--lilac-light);
}
.roadmap-phase p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* Public Signal Citation Box */
.public-signal-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-md);
}
.public-signal-box p { font-size: 0.82rem; margin: 4px 0; }
.rating-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 3px;
  color: var(--text-secondary);
}

/* Mechanism Breakdown */
.mechanism-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-md);
}
.mechanism-item { font-size: 0.8rem; line-height: 1.5; }

/* Intervention Detail Box */
.intervention-detail-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-md);
}
.intervention-detail-box strong { font-size: 0.8rem; display: block; margin-bottom: 4px; color: var(--lilac-light); }
.intervention-detail-box p { font-size: 0.82rem; line-height: 1.6; margin: 0; }

/* 4-Layer Scorecard */
.scorecard-layers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.scorecard-layer {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.layer-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.scorecard-layer p { font-size: 0.82rem; line-height: 1.5; margin: 0; }

/* Company Body Layout */
.company-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-2xl);
  align-items: start;
}
.company-main { min-width: 0; }

/* Analysis Blocks */
.analysis-block {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
}
.analysis-block:last-child { border-bottom: none; }
.analysis-block-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.analysis-num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-muted);
  flex-shrink: 0;
}
.analysis-block h2 {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.analysis-content { padding-left: calc(1.1rem + var(--space-md)); }
.analysis-content p {
  font-size: 0.88rem;
  line-height: 1.8;
  margin-top: var(--space-sm);
}

/* Evidence Tags */
.evidence-tag {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  margin-right: 4px;
  vertical-align: middle;
}
.evidence-tag.fact { background: var(--ev-fact-bg); border: 1px solid var(--ev-fact-border); color: var(--ev-fact-text); }
.evidence-tag.analysis { background: var(--ev-analysis-bg); border: 1px solid var(--ev-analysis-border); color: var(--ev-analysis-text); }
.evidence-tag.hypothesis { background: var(--ev-hyp-bg); border: 1px solid var(--ev-hyp-border); color: var(--ev-hyp-text); }
.evidence-tag.intervention { background: var(--ev-int-bg); border: 1px solid var(--ev-int-border); color: var(--ev-int-text); }
.evidence-tag.validation { background: var(--ev-val-bg); border: 1px solid var(--ev-val-border); color: var(--ev-val-text); }

/* Source Link */
.source-link {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--blue-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-top: var(--space-sm);
}
.source-link:hover { color: var(--lilac); }

/* Cross Thread Detail */
.cross-thread-detail {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-md);
}
.cross-thread-detail h3 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--warm-accent);
  margin-bottom: var(--space-xs);
}
.cross-thread-detail p { font-size: 0.82rem; line-height: 1.6; }

/* Industry Thread Item */
.industry-thread-item {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-md);
}
.industry-thread-item strong { font-size: 0.85rem; }
.industry-thread-item p { font-size: 0.82rem; line-height: 1.6; margin-top: var(--space-xs); }
.thread-appears, .thread-companies { font-size: 0.75rem !important; color: var(--text-muted) !important; margin-top: var(--space-xs) !important; }
.thread-companies-list { font-size: 0.75rem; color: var(--text-muted); margin-top: var(--space-sm); }

/* Flagship Extras */
.flagship-extras {
  border-top: 2px solid rgba(201,171,121,0.2);
  padding-top: var(--space-2xl);
  margin-top: var(--space-xl);
}
.flagship-extras-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.flagship-extra-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.flagship-extra-card h3 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--warm-accent-dim);
  margin-bottom: var(--space-sm);
}
.flagship-extra-card p { font-size: 0.82rem; line-height: 1.7; color: var(--text-secondary); }

/* --- Sidebar --- */
.company-sidebar { position: sticky; top: calc(var(--nav-height) + var(--space-lg)); }
.sidebar-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.sidebar-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.sidebar-item:last-child { border-bottom: none; }
.sidebar-item label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.sidebar-item span { font-size: 0.82rem; color: var(--text-secondary); }
.sidebar-item .flagship-yes { color: var(--warm-accent); }

/* --- Industry Groups --- */
.industry-group {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.industry-group h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.industry-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.industry-meta-item {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.industry-companies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}
.industry-company-pill {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 5px 12px;
  border-radius: 20px;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  transition: all var(--duration-fast);
}
.industry-company-pill:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

/* Industry Threads Grid */
.industry-threads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}
.industry-thread-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.industry-thread-card .thread-num {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  display: block;
}
.industry-thread-card h3 {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.industry-thread-card p { font-size: 0.82rem; line-height: 1.6; }

/* Industry Overview (Home) */
.industry-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}
.industry-overview-card {
  display: block;
  text-decoration: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--duration-med) var(--ease-out);
  color: inherit;
}
.industry-overview-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}
.industry-overview-card h3 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}
.industry-count { font-size: 0.78rem; color: var(--text-muted); }

/* Cross-Cutting Threads */
.cross-threads-section {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border-subtle);
}
.cross-thread-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-top: var(--space-md);
}
.cross-thread-block h3 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--warm-accent);
  margin-bottom: var(--space-sm);
}
.cross-thread-block p { font-size: 0.88rem; line-height: 1.7; }

/* Problem Families */
.problem-families-section {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border-subtle);
}
.problem-family {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.problem-family:last-child { border-bottom: none; }
.problem-family-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--lilac-dim);
  flex-shrink: 0;
  width: 40px;
}
.problem-family h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}
.problem-family p { font-size: 0.85rem; line-height: 1.7; }

/* --- Methodology --- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}
.method-step {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: border-color var(--duration-fast);
}
.method-step:hover { border-color: var(--border-medium); }
.method-step-num {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--lilac-dim);
  margin-bottom: var(--space-sm);
}
.method-step h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.method-step p { font-size: 0.85rem; line-height: 1.7; }

/* Evidence Hierarchy */
.evidence-hierarchy { margin-top: var(--space-xl); }
.evidence-level {
  padding: var(--space-lg);
  border-left: 3px solid var(--border-subtle);
  margin-bottom: var(--space-md);
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.evidence-level h4 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}
.evidence-level p { font-size: 0.85rem; line-height: 1.7; }

/* Value Chain Grid */
.value-chain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
}
.value-chain-step {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.value-chain-step h3 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lilac);
  margin-bottom: var(--space-sm);
}
.value-chain-step p { font-size: 0.82rem; line-height: 1.6; }

/* --- Models --- */
.model-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  transition: border-color var(--duration-fast);
}
.model-card:hover { border-color: var(--border-medium); }
.model-card h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}
.model-card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--space-lg);
}
.model-card-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}
.model-detail { margin-bottom: var(--space-md); }
.model-detail:last-child { margin-bottom: 0; }
.model-detail h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lilac-dim);
  margin-bottom: var(--space-xs);
}
.model-detail p { font-size: 0.85rem; line-height: 1.7; }

/* --- Research Findings --- */
.finding-card {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.finding-card:last-of-type { border-bottom: none; }
.finding-card h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}
.finding-summary { font-size: 0.95rem; line-height: 1.8; margin-bottom: var(--space-md); }
.finding-detail { font-size: 0.85rem; line-height: 1.7; }
.finding-companies {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-subtle);
}
.research-caveat {
  margin-top: var(--space-2xl);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}
.research-caveat p { font-size: 0.82rem; color: var(--text-tertiary); line-height: 1.7; }

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-2xl);
  align-items: start;
}
.about-main h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}
.about-main h2 {
  font-size: 1.4rem;
  font-family: var(--font-serif);
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}
.about-main p { margin-bottom: var(--space-md); }
.about-quals {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.about-quals h3 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
}
.qual-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.qual-item:last-child { border-bottom: none; }
.qual-item strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.qual-item span { font-size: 0.78rem; color: var(--text-tertiary); }
.roles-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}
.role-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-2xl);
  align-items: start;
}
.contact-main h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}
.contact-links { margin-top: var(--space-xl); }
.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  transition: all var(--duration-fast);
  text-decoration: none;
  color: inherit;
}
.contact-link:hover { border-color: var(--border-medium); transform: translateX(4px); }
.contact-link-icon {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--lilac);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.contact-link-text strong {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 2px;
}
.contact-link-text span { font-size: 0.78rem; color: var(--text-tertiary); }
.recruiter-pathway {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}
.recruiter-pathway h3 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}
.pathway-step {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.pathway-step:last-child { border-bottom: none; }
.pathway-num { font-family: var(--font-serif); font-size: 1rem; color: var(--text-muted); }
.pathway-step a { font-size: 0.85rem; }
.contact-quote {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}
.contact-quote p { font-size: 0.82rem; color: var(--text-tertiary); line-height: 1.7; font-style: italic; }

/* --- Footer --- */
#site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-2xl) 0;
  background: var(--bg-primary);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.footer-mark {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 4px 8px;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-sm);
}
.footer-brand strong { font-size: 0.82rem; display: block; }
.footer-tagline { display: block; font-size: 0.72rem; color: var(--text-muted); font-style: italic; }
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-subtle);
}
.footer-col h4 {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.footer-col a {
  display: block;
  font-size: 0.82rem;
  color: var(--text-tertiary);
  padding: 4px 0;
  text-decoration: none;
}
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}
.footer-legal { font-size: 0.68rem !important; color: var(--text-muted) !important; }

/* --- Floating Contact Me Button (Always visible throughout scrolling on all pages) --- */
.floating-contact-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 950;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #7c3aed 0%, #4f46e5 100%);
  color: #ffffff !important;
  padding: 11px 18px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(124, 58, 237, 0.45), 0 2px 6px rgba(0,0,0,0.25);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), filter var(--duration-fast);
}
.floating-contact-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 26px rgba(124, 58, 237, 0.6), 0 4px 10px rgba(0,0,0,0.3);
  color: #ffffff !important;
  filter: brightness(1.08);
}
.floating-contact-btn:active {
  transform: translateY(-1px) scale(0.98);
}
.floating-contact-icon {
  flex-shrink: 0;
  stroke: #ffffff;
}

/* --- Scroll to Top (Positioned cleanly above the floating contact button) --- */
.scroll-top {
  position: fixed;
  bottom: 78px;
  right: 24px;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 1.05rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-med) var(--ease-out);
  z-index: 940;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--bg-elevated); color: var(--lilac-light); border-color: var(--border-medium); }

@media (max-width: 600px) {
  .floating-contact-btn {
    bottom: 16px;
    right: 16px;
    padding: 9px 14px;
    font-size: 0.76rem;
  }
  .scroll-top {
    bottom: 66px;
    right: 16px;
    width: 34px;
    height: 34px;
  }
}

/* --- Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger .reveal:nth-child(2) { transition-delay: 60ms; }
.stagger .reveal:nth-child(3) { transition-delay: 120ms; }
.stagger .reveal:nth-child(4) { transition-delay: 180ms; }
.stagger .reveal:nth-child(5) { transition-delay: 240ms; }
.stagger .reveal:nth-child(6) { transition-delay: 300ms; }

/* ============================================================
   EXECUTIVE SUMMARY & XLSX INTELLIGENCE SUITE
   ============================================================ */
.summary-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.summary-stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: transform var(--duration-fast), border-color var(--duration-fast);
}
.summary-stat-card:hover { transform: translateY(-2px); border-color: var(--border-medium); }
.summary-stat-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.summary-stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Master Workbook Level 1 Tabs */
.wb-nav-wrapper {
  margin-bottom: var(--space-lg);
}
.wb-master-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  background: var(--bg-secondary);
  padding: var(--space-xs);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}
.wb-master-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 180px;
  justify-content: center;
  text-align: center;
}
.wb-master-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}
.wb-master-btn.active {
  background: var(--lilac);
  color: var(--bg-deep);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(167,139,250,0.25);
}

/* Sheet Sub-Tabs (Level 2) */
.sheet-tabs-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.sheet-tabs-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-right: var(--space-xs);
}
.sheet-tab-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--duration-fast);
}
.sheet-tab-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-medium);
}
.sheet-tab-btn.active {
  background: var(--lilac-dim);
  color: #ffffff;
  border-color: var(--lilac);
  font-weight: 600;
}

/* Filter & Controls Toolbar */
.summary-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
}
.summary-search-wrap {
  flex: 1;
  min-width: 260px;
}
.summary-search-input {
  width: 100%;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  transition: border-color var(--duration-fast);
}
.summary-search-input:focus {
  outline: none;
  border-color: var(--lilac);
}
.summary-filter-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}
.summary-industry-select {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  cursor: pointer;
}

/* Switch Toggle Component */
.switch-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.switch-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.switch-slider {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 20px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: 20px;
  transition: background-color var(--duration-fast);
}
.switch-slider::before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-muted);
  border-radius: 50%;
  transition: transform var(--duration-fast), background-color var(--duration-fast);
}
.switch-input:checked + .switch-slider {
  background-color: var(--lilac);
  border-color: var(--lilac);
}
.switch-input:checked + .switch-slider::before {
  transform: translateX(18px);
  background-color: var(--bg-deep);
}

/* Panels */
.wb-panel { display: none; }
.wb-panel.active { display: block; }
.sheet-panel { display: none; }
.sheet-panel.active { display: block; }

/* START HERE Editorial Guide Card */
.start-here-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}
.start-here-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}
.start-here-subtitle {
  font-size: 0.85rem;
  color: var(--lilac-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  display: block;
}
.start-here-points {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl) 0;
  display: grid;
  gap: var(--space-md);
}
.start-here-points li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 24px;
  position: relative;
}
.start-here-points li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--lilac);
  font-weight: 600;
}
.start-here-note {
  background: var(--bg-tertiary);
  border-left: 3px solid var(--warm-accent);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.start-here-note p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Data Tables */
.summary-table-container {
  width: 100%;
  overflow-x: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  margin-bottom: var(--space-2xl);
  -webkit-overflow-scrolling: touch;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  text-align: left;
  min-width: 1100px;
}
.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-medium);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  line-height: 1.5;
  vertical-align: top;
}
.data-table tr:hover td {
  background: var(--bg-hover);
}
.data-table tr:last-child td {
  border-bottom: none;
}
.table-company-link {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  display: inline-block;
}
.table-company-link:hover {
  color: var(--lilac);
}
.table-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
}
.table-badge-flagship {
  background: rgba(201,171,121,0.15);
  color: var(--warm-accent);
  border: 1px solid rgba(201,171,121,0.25);
}
.table-badge-claim {
  background: var(--ev-fact-bg);
  color: var(--ev-fact-text);
  border: 1px solid var(--ev-fact-border);
}
.table-badge-evidence {
  background: var(--ev-int-bg);
  color: var(--ev-int-text);
  border: 1px solid var(--ev-int-border);
}

/* Workbook Cards */
.workbook-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.workbook-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: border-color var(--duration-fast);
}
.workbook-card:hover { border-color: var(--border-medium); }
.workbook-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}
.workbook-card .wb-file {
  font-size: 0.72rem;
  color: var(--lilac-dim);
  font-family: monospace;
  margin-bottom: var(--space-md);
  display: block;
}
.workbook-card p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}
.wb-sheets-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.wb-sheets-list li {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 4px 0;
  border-top: 1px solid var(--border-subtle);
}

/* ============================================================
   HOW TO READ & EXPLORE GUIDE PAGE
   ============================================================ */
.guide-jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
}
.guide-jump-link {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--duration-fast);
}
.guide-jump-link:hover {
  background: var(--bg-tertiary);
  color: var(--lilac);
  border-color: var(--border-medium);
}

.guide-pathways-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}
.guide-pathway-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: transform var(--duration-fast), border-color var(--duration-fast);
  display: flex;
  flex-direction: column;
}
.guide-pathway-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-medium);
}
.guide-pathway-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lilac);
  margin-bottom: var(--space-xs);
  display: block;
}
.guide-pathway-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}
.guide-pathway-role {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--space-md);
}
.guide-pathway-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}
.guide-pathway-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md) 0;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-sm);
}
.guide-pathway-steps li {
  font-size: 0.76rem;
  color: var(--text-secondary);
  padding: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.guide-pathway-steps li strong {
  color: var(--lilac-dim);
  font-family: monospace;
}

/* Badges Guide */
.badge-guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}
.badge-guide-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.badge-guide-card h4 {
  font-size: 0.88rem;
  color: var(--text-primary);
  margin: var(--space-sm) 0 var(--space-xs) 0;
}
.badge-guide-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Anatomy Cards */
.anatomy-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}
.anatomy-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  display: grid;
  grid-template-columns: 60px 1fr 1.2fr;
  gap: var(--space-lg);
  align-items: center;
}
@media (max-width: 900px) {
  .anatomy-item {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
}
.anatomy-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--lilac-dim);
}
.anatomy-title h3 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 4px 0;
}
.anatomy-title span {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.anatomy-desc p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* --- Loading --- */
.loading-skeleton { text-align: center; padding: var(--space-3xl); }
.loading-pulse {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--lilac-dim);
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .company-body { grid-template-columns: 1fr; }
  .company-sidebar { position: static; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .model-card-body { grid-template-columns: 1fr; }
  .thesis-grid { grid-template-columns: 1fr; }
  .thesis-connects {
    padding-left: 0;
    border-left: none;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
  }
}

@media (max-width: 768px) {
  .section { padding: var(--space-2xl) 0; }
  .hero { padding-top: calc(var(--nav-height) + var(--space-lg)); min-height: auto; }
  .hero h1 { font-size: 1.8rem; }
  .hero-metrics { gap: var(--space-md); }
  .hero-metric-number { font-size: 2rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .flagship-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .flagship-extras-grid { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr; gap: var(--space-lg); }
  .industry-threads-grid { grid-template-columns: 1fr; }
  .quick-check-grid { grid-template-columns: 1fr; }
  .mechanism-breakdown { grid-template-columns: 1fr; }
  .scorecard-layers { grid-template-columns: 1fr; }
  .inquiry-vectors-grid { grid-template-columns: 1fr; }

  /* Nav mobile */
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-deep);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-sm);
    overflow-y: auto;
  }
  .nav-links.open { display: flex; }
  .nav-links a[data-nav] { font-size: 1rem; padding: var(--space-sm) 0; }
  .nav-cta { margin-left: 0; text-align: center; margin-top: var(--space-md); }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  #main-nav, .scroll-top, .nav-toggle, #site-footer, .theme-toggle { display: none !important; }
  body { background: #fff; color: #111; }
  .section { padding: 1rem 0; }
  .company-card, .flagship-card, .model-card { break-inside: avoid; }
  .reveal { opacity: 1 !important; transform: none !important; }
}