/* ==========================================================================
   SemanticMemorySystems Design System v2.2
   Harvested from EpicStemic + enhanced with motion + interactive containers
   Ultra dark mode, mobile-first, fluid typography
   Semantic Teal accent for trust/sophistication
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Core Colors - Deep charcoal, not pure black */
  --color-bg-primary: #0a0a0b;
  --color-bg-secondary: #111113;
  --color-bg-tertiary: #1a1a1d;
  --color-bg-elevated: #222225;

  --color-text-primary: #ffffff;
  --color-text-secondary: #a1a1a6;
  --color-text-tertiary: #6e6e73;
  --color-text-muted: #48484a;

  --color-border: #2c2c2e;
  --color-border-subtle: #1c1c1e;

  /* Primary Accent - Semantic Teal for trust/sophistication */
  --color-accent: #20B9B1;
  --color-accent-light: #2dd4c8;
  --color-accent-dark: #1a9d94;
  --color-accent-subtle: rgba(32, 185, 177, 0.1);
  --color-accent-glow: rgba(32, 185, 177, 0.25);

  /* Vertical-specific accent colors */
  --color-healthcare: #10b981;
  --color-healthcare-light: #34d399;
  --color-healthcare-subtle: rgba(16, 185, 129, 0.1);
  --color-healthcare-glow: rgba(16, 185, 129, 0.3);

  --color-software: #f59e0b;
  --color-software-light: #fbbf24;
  --color-software-subtle: rgba(245, 158, 11, 0.1);
  --color-software-glow: rgba(245, 158, 11, 0.3);

  --color-retail: #ec4899;
  --color-retail-light: #f472b6;
  --color-retail-subtle: rgba(236, 72, 153, 0.1);
  --color-retail-glow: rgba(236, 72, 153, 0.3);

  --color-education: #6366f1;
  --color-education-light: #818cf8;
  --color-education-subtle: rgba(99, 102, 241, 0.1);
  --color-education-glow: rgba(99, 102, 241, 0.3);

  /* Typography Scale (fluid) */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;

  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --font-size-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --font-size-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);
  --font-size-5xl: clamp(3rem, 2rem + 5vw, 5rem);

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 1.75;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width-content: 52rem;    /* Wider content for comfortable reading */
  --max-width-wide: 72rem;
  --max-width-full: 90rem;
  --container-padding: clamp(0.75rem, 3vw, 1.5rem);  /* Less padding overall */

  /* Borders & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Z-index scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 500;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Typography - All Inter Font Family
   H1: ExtraBold (800), ALL CAPS for gravitas
   H2: Bold (700), normal case
   H3: Semibold (600), accent color
   Body: Regular (400)
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  text-transform: uppercase;
  letter-spacing: 0.02em; /* Slightly wider for caps */
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-top: var(--space-16);
  margin-bottom: var(--space-6);
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

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

em {
  font-style: italic;
}

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

a:hover {
  color: var(--color-accent-light);
}

/* ==========================================================================
   CANONICAL CLAIMS - Typography System v3.1
   Verified truths rendered with distinctive styling
   Inter Italic for inviting readability; container styling signals precision
   Headers use mono; content uses prose for accessibility
   ========================================================================== */

/* --------------------------------------------------------------------------
   Block Canonical Claims
   Full treatment for standalone claim rendering
   -------------------------------------------------------------------------- */
.canonical-claim {
  font-family: var(--font-family-primary);
  font-style: italic;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-4) var(--space-5);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: var(--space-6) 0;
  display: block;
  position: relative;
}

.canonical-claim__text {
  margin: 0;
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
}

.canonical-claim__source {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  font-style: normal;
  color: var(--color-text-tertiary);
  font-family: var(--font-family-primary);
}

.canonical-claim__source::before {
  content: "— ";
}

/* Hover state - subtle glow */
.canonical-claim:hover {
  border-left-color: var(--color-accent-light);
  box-shadow: 0 0 20px var(--color-accent-subtle);
}

/* Category-specific accents (optional enhancement) */
.canonical-claim[data-category="pain"] {
  border-left-color: var(--color-text-muted);
}

.canonical-claim[data-category="methodology"] {
  border-left-color: var(--color-accent);
}

.canonical-claim[data-category="evidence"] {
  border-left-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

/* --------------------------------------------------------------------------
   Inline Canonical Claims
   For claims referenced within prose
   -------------------------------------------------------------------------- */
.canonical-claim--inline {
  font-family: var(--font-family-primary);
  font-style: italic;
  font-size: 1em;
  font-weight: var(--font-weight-normal);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  padding: 0.1em 0.4em;
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--color-accent);
  display: inline;
  margin: 0;
}

.canonical-claim--inline:hover {
  background: var(--color-accent-glow);
  cursor: help;
}

/* ==========================================================================
   YAML BLOCKS - Structured Data Display
   Code-fluent but human-legible key:value displays
   Replaces bullet points with semantic structure
   ========================================================================== */

.yaml-block {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-5);
  margin: var(--space-6) 0;
  overflow-x: auto;
}

.yaml-section {
  margin-bottom: var(--space-4);
}

.yaml-section:last-child {
  margin-bottom: 0;
}

.yaml-section-header {
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-base);
}

.yaml-entry {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  line-height: var(--line-height-relaxed);
}

.yaml-entry:last-child {
  border-bottom: none;
}

.yaml-entry--nested {
  padding-left: var(--space-4);
}

.yaml-key {
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
  flex-shrink: 0;
}

.yaml-value {
  color: var(--color-text-secondary);
  font-family: var(--font-family-primary);
  flex: 1;
  min-width: 0;
}

/* Hover effect on yaml entries */
.yaml-entry:hover {
  background: var(--color-bg-tertiary);
  margin-left: calc(-1 * var(--space-2));
  margin-right: calc(-1 * var(--space-2));
  padding-left: var(--space-2);
  padding-right: var(--space-2);
  border-radius: var(--radius-sm);
}

.yaml-entry--nested:hover {
  padding-left: calc(var(--space-4) + var(--space-2));
}

/* Tablet/Mobile: stack key:value vertically */
@media (max-width: 768px) {
  .yaml-block {
    padding: var(--space-3);
    font-size: var(--font-size-xs);
  }

  .yaml-entry {
    flex-direction: column;
    gap: var(--space-1);
  }

  .yaml-key {
    font-size: var(--font-size-sm);
  }

  .yaml-value {
    padding-left: var(--space-3);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
  }

  .yaml-section-header {
    font-size: var(--font-size-sm);
  }
}

/* ==========================================================================
   DEFINITION PAIRS - Term:Definition Styling
   YAML-style key:value pairs for technical definitions
   ========================================================================== */

.definition {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: baseline;
  margin-bottom: var(--space-3);
}

.def-key {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  flex-shrink: 0;
}

.def-value {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  flex: 1;
  min-width: 0;
}

/* Definition in list items */
li.definition {
  list-style: none;
  margin-left: calc(-1 * var(--space-6));
  padding: var(--space-2) var(--space-3);
  border-left: 2px solid var(--color-border);
  margin-bottom: var(--space-2);
}

li.definition:hover {
  border-left-color: var(--color-accent);
  background: var(--color-bg-secondary);
}

/* Standalone definition paragraphs */
p.definition {
  background: var(--color-bg-secondary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--color-accent);
}

/* Mobile: Stack definition pairs vertically */
@media (max-width: 640px) {
  .definition {
    flex-direction: column;
    gap: var(--space-1);
  }

  .def-key {
    font-size: var(--font-size-xs);
  }

  .def-value {
    font-size: var(--font-size-sm);
  }

  p.definition {
    padding: var(--space-3);
  }
}

/* ==========================================================================
   META-EXPLANATION BLOCKS
   Self-referential content about how the system works
   ========================================================================== */

.meta-explanation {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--color-text-muted);
  margin: var(--space-6) 0;
  position: relative;
}

.meta-explanation::before {
  content: "How it works";
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-muted);
  background: var(--color-bg-secondary);
  padding: 0 var(--space-2);
}

.meta-explanation p:last-child {
  margin-bottom: 0;
}

.meta-explanation code {
  background: var(--color-bg-tertiary);
  color: var(--color-accent);
}

/* ==========================================================================
   UNCERTAINTY MARKERS
   Hedged claims, approximations, provisional statements
   ========================================================================== */

.uncertain,
em.hedge {
  font-style: italic;
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-normal);
}

/* When uncertainty appears in a canonical claim, de-emphasize it */
.canonical-claim .uncertain {
  font-family: var(--font-family-primary);
  font-size: 0.9em;
}

/* --------------------------------------------------------------------------
   Code
   -------------------------------------------------------------------------- */
code {
  font-family: var(--font-family-mono);
  font-size: 0.875em;
  background: var(--color-bg-tertiary);
  padding: 0.125em 0.375em;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

pre {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  background: var(--color-bg-secondary);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: var(--space-6) 0;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Lists
   -------------------------------------------------------------------------- */
ul, ol {
  margin: var(--space-4) 0;
  padding-left: var(--space-6);
  color: var(--color-text-secondary);
}

li {
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
}

li strong {
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-6) 0;
  font-size: var(--font-size-sm);
}

th, td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  background: var(--color-bg-secondary);
}

td {
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Blockquotes
   -------------------------------------------------------------------------- */
blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-6);
  margin: var(--space-6) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   Horizontal Rule
   -------------------------------------------------------------------------- */
hr {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-12) 0;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--max-width-full);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: var(--space-16) var(--space-4);  /* Minimal side padding, let max-width control */
}

/* Desktop: comfortable reading width with breathing room */
@media (min-width: 1024px) {
  .content {
    padding: var(--space-16) var(--space-8);
  }
}

main {
  flex: 1;
  padding-top: 4rem; /* Account for fixed nav */
}

/* --------------------------------------------------------------------------
   Navigation - Frosted glass effect
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  max-width: var(--max-width-full);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav__logo {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: var(--letter-spacing-tight);
}

.nav__logo:hover {
  color: var(--color-text-primary);
}

/* Three-color logo: Semantic (white) + Memory (midpoint) + Systems (full accent)
   Uses color-mix() for dynamic vertical theming with fallback */
.nav__logo .logo-memory {
  /* Fallback for older browsers */
  color: #8FD9D5;
  /* Modern browsers: 50% blend between white and current accent */
  color: color-mix(in srgb, var(--color-text-primary) 50%, var(--color-accent));
}

.nav__logo .logo-systems {
  color: var(--color-accent);
}

.nav__links {
  display: none;
  list-style: none;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .nav__links {
    gap: var(--space-6);
  }
}

@media (min-width: 1200px) {
  .nav__links {
    gap: var(--space-8);
  }
}

.nav__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--color-text-primary);
}

.nav__link--active {
  color: var(--color-accent);
}

/* Dropdown */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-trigger {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav__dropdown-trigger:hover {
  color: var(--color-text-primary);
}

.nav__dropdown-trigger::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--transition-fast);
}

.nav__dropdown:hover .nav__dropdown-trigger::after {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2) 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  margin-top: var(--space-2);
}

.nav__dropdown:hover .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav__dropdown-menu a {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.nav__dropdown-menu a:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-bg-primary);
  background: var(--color-accent);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__cta:hover {
  background: var(--color-accent-light);
  color: var(--color-bg-primary);
}

/* Mobile menu toggle */
.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text-primary);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: 4rem;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  padding: var(--space-8);
  z-index: var(--z-fixed);
}

.nav__mobile.is-open {
  display: block;
}

.nav__mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.nav__mobile-link {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.nav__mobile-link--indent {
  padding-left: var(--space-4);
  font-size: var(--font-size-lg);
}

.nav__mobile-section {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-4);
  margin-bottom: var(--space-1);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn--primary {
  color: var(--color-bg-primary);
  background: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-light);
  color: var(--color-bg-primary);
  transform: translateY(-1px);
}

.btn--secondary {
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-text-tertiary);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Homepage Hero Section - Full viewport with scroll indicator
   -------------------------------------------------------------------------- */

/* Hero needs to break out of .content constraints but restore them after */
.content:has(.hero-section) {
  max-width: none;
  padding: 0;
}

/* Restore normal content styling after hero */
.content:has(.hero-section) > *:not(.hero-section) {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* But hr should stay narrow */
.content:has(.hero-section) > hr {
  max-width: 300px;
  padding: 0;
}

.hero-section {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  padding: var(--space-8);
  padding-top: 4rem;
  box-sizing: border-box;
  margin-top: -4rem;
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

/* Subtle gradient background - full width */
.hero-section::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, var(--color-accent-subtle), transparent),
    radial-gradient(ellipse 50% 30% at 80% 70%, rgba(32, 185, 177, 0.03), transparent);
  pointer-events: none;
  z-index: -1;
}

.hero-section__content {
  position: relative;
  z-index: 1;
  width: 100%;
}

/* Staggered headline - each word on its own line with different alignment */
.hero-section__content h1.gradient-header {
  font-size: clamp(3rem, 10vw, 6rem);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
}

/* For non-two-line hero H1: each word on its own line (staircase) */
.hero-section__content h1.gradient-header:not(.gradient-header--two-line) .grad-word {
  display: block;
}

/* For two-line hero H1: words stay inline within each line */
.hero-section__content h1.gradient-header--two-line .grad-word {
  display: inline;
}

/* ==========================================================================
   HERO H1 PROGRESSIVE DIAGONAL CASCADE
   Pattern varies by word count for distinctive brand display:
   - 2 words: left → right (simple diagonal)
   - 3 words: left → center → right (classic staircase)
   - 4 words: left → 33% → 66% → right (4-step staircase)
   - 5 words: smaller font + left → 25% → 50% → 75% → right (5-step)
   ========================================================================== */

/* Base: all words start left-aligned */
.hero-section__content h1.gradient-header .grad-word {
  text-align: left;
  margin-left: 0;
  max-width: 100%;
  box-sizing: border-box;
  transition: margin-left 0.3s ease;
}

/* ----- 2-WORD TITLES ----- */
/* Pattern: left → 30% (tighter diagonal) */
.hero-section__content h1.gradient-header[data-word-count="2"] .grad-word:nth-child(1) {
  margin-left: 0;
}
.hero-section__content h1.gradient-header[data-word-count="2"] .grad-word:nth-child(2) {
  margin-left: 30%;
}

/* ----- 3-WORD TITLES (Default/Homepage) ----- */
/* Pattern: left → center → right-ish (staircase that stays in bounds) */
.hero-section__content h1.gradient-header[data-word-count="3"] .grad-word:nth-child(1),
.hero-section__content h1.gradient-header:not([data-word-count]) .grad-word:nth-child(1) {
  margin-left: 0;
}
.hero-section__content h1.gradient-header[data-word-count="3"] .grad-word:nth-child(2),
.hero-section__content h1.gradient-header:not([data-word-count]) .grad-word:nth-child(2) {
  margin-left: 15%;
}
.hero-section__content h1.gradient-header[data-word-count="3"] .grad-word:nth-child(3),
.hero-section__content h1.gradient-header:not([data-word-count]) .grad-word:nth-child(3) {
  margin-left: 30%;
}

/* ----- 4-WORD TITLES ----- */
/* Pattern: left → 10% → 20% → 30% (4-step staircase) */
.hero-section__content h1.gradient-header[data-word-count="4"] .grad-word:nth-child(1) {
  margin-left: 0;
}
.hero-section__content h1.gradient-header[data-word-count="4"] .grad-word:nth-child(2) {
  margin-left: 10%;
}
.hero-section__content h1.gradient-header[data-word-count="4"] .grad-word:nth-child(3) {
  margin-left: 20%;
}
.hero-section__content h1.gradient-header[data-word-count="4"] .grad-word:nth-child(4) {
  margin-left: 30%;
}

/* ----- 5-WORD TITLES ----- */
/* Smaller font + tighter staircase */
.hero-section__content h1.gradient-header[data-word-count="5"] {
  font-size: clamp(2.5rem, 8vw, 5rem);  /* Slightly smaller for 5 words */
}
.hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(1) {
  margin-left: 0;
}
.hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(2) {
  margin-left: 8%;
}
.hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(3) {
  margin-left: 16%;
}
.hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(4) {
  margin-left: 24%;
}
.hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(5) {
  margin-left: 32%;
}

/* ----- MOBILE: Compress staircase for smaller screens ----- */
@media (max-width: 768px) {
  /* 4-word mobile adjustment */
  .hero-section__content h1.gradient-header[data-word-count="4"] .grad-word:nth-child(2) {
    margin-left: 8%;
  }
  .hero-section__content h1.gradient-header[data-word-count="4"] .grad-word:nth-child(3) {
    margin-left: 16%;
  }
  .hero-section__content h1.gradient-header[data-word-count="4"] .grad-word:nth-child(4) {
    margin-left: 24%;
  }

  /* 5-word mobile: even smaller and tighter */
  .hero-section__content h1.gradient-header[data-word-count="5"] {
    font-size: clamp(2rem, 7vw, 4rem);
  }
  .hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(2) {
    margin-left: 6%;
  }
  .hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(3) {
    margin-left: 12%;
  }
  .hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(4) {
    margin-left: 18%;
  }
  .hero-section__content h1.gradient-header[data-word-count="5"] .grad-word:nth-child(5) {
    margin-left: 24%;
  }
}

/* ==========================================================================
   TWO-LINE LAYOUT (4+ words) - Works for H1 and H2
   Top line: left-aligned (right-aligned in hero)
   Bottom line: right-aligned (in hero), left-aligned elsewhere
   Per-word colors come from .grad-word rules below
   ========================================================================== */

/* Base two-line layout for all headers */
.gradient-header--two-line {
  display: flex;
  flex-direction: column;
  gap: 0.1em;
}

.gradient-header--two-line .grad-line {
  display: block;
  line-height: 1.1;
}

/* Default: both lines left-aligned (for H2s outside hero) */
.gradient-header--two-line .grad-line--top {
  text-align: left;
}

.gradient-header--two-line .grad-line--bottom {
  text-align: left;
}

/* Hero H1: staircase effect - top left, bottom right */
.hero-section__content h1.gradient-header--two-line .grad-line--top {
  text-align: left;
}

.hero-section__content h1.gradient-header--two-line .grad-line--bottom {
  text-align: right;
}

/* 5-word H1 titles in hero: slightly smaller to fit */
.hero-section__content h1.gradient-header--two-line[data-word-count="5"] {
  font-size: clamp(2.5rem, 8vw, 5rem);
}

/* Mobile adjustments for two-line layout */
@media (max-width: 768px) {
  .hero-section__content h1.gradient-header--two-line[data-word-count="5"] {
    font-size: clamp(2rem, 7vw, 4rem);
  }
}

/* Hero tagline - LEFT aligned */
.hero-section__content > p:first-of-type {
  text-align: left;
  margin-bottom: var(--space-2);
}

.hero-section__content > p:first-of-type strong {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  display: block;
}

/* Accent the emphasized word in tagline */
.hero-section__content > p:first-of-type strong em {
  font-style: normal;
  color: var(--color-accent);
}

/* Body text - LEFT aligned */
.hero-section__content > p:nth-of-type(2) {
  text-align: left;
  max-width: 55ch;
  margin-bottom: var(--space-6);
}

.hero-section__content p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

/* CTA button - LEFT aligned */
.hero-section__content > p:last-of-type {
  text-align: left;
}

.hero-section__content .btn {
  margin-top: var(--space-2);
}

/* Scroll indicator - fixed to bottom of viewport */
.hero-section__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: color var(--transition-base);
  z-index: 10;
}

.hero-section__scroll:hover {
  color: var(--color-accent);
}

.hero-section__scroll-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.hero-section__scroll-arrow {
  font-size: var(--font-size-xl);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(8px);
    opacity: 0.5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-section__scroll-arrow {
    animation: none;
  }
}

/* Mobile adjustments for hero */
@media (max-width: 768px) {
  .hero-section {
    padding: var(--space-4);
    padding-top: 5rem;
  }

  /* MOBILE: Remove staircase, center-justify H1 */
  .hero-section__content h1.gradient-header {
    font-size: clamp(2rem, 10vw, 3rem);
    text-align: center;
    align-items: center;
  }

  /* MOBILE: All words inline, no staircase */
  .hero-section__content h1.gradient-header .grad-word {
    display: inline;
    margin-left: 0 !important;
  }

  .hero-section__scroll {
    bottom: var(--space-4);
  }

  /* Restore content padding on mobile */
  .content:has(.hero-section) > *:not(.hero-section) {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}

/* --------------------------------------------------------------------------
   Legacy Hero Section (for reference, may remove)
   -------------------------------------------------------------------------- */
.hero {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: var(--space-20) var(--container-padding);
  position: relative;
  overflow: hidden;
}

/* Animated gradient background */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-accent-subtle), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(32, 185, 177, 0.05), transparent),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(32, 185, 177, 0.03), transparent);
  animation: hero-gradient 15s ease infinite;
  pointer-events: none;
}

@keyframes hero-gradient {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

.hero__label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  margin-bottom: var(--space-6);
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.hero__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 480px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* --------------------------------------------------------------------------
   Vertical Cards Grid (Homepage)
   -------------------------------------------------------------------------- */
.vertical-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  margin: var(--space-8) 0;
}

@media (min-width: 640px) {
  .vertical-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .vertical-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.vertical-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition-base);
}

.vertical-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-accent, var(--color-accent));
  box-shadow: var(--shadow-xl), 0 0 40px var(--card-glow, var(--color-accent-glow));
}

.vertical-card__icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--card-subtle, var(--color-accent-subtle));
  border-radius: var(--radius-lg);
  color: var(--card-accent, var(--color-accent));
}

.vertical-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.vertical-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-normal);
  margin: 0;
}

/* Vertical-specific colors */
.vertical-card--healthcare {
  --card-accent: var(--color-healthcare);
  --card-subtle: var(--color-healthcare-subtle);
  --card-glow: var(--color-healthcare-glow);
}

.vertical-card--software {
  --card-accent: var(--color-software);
  --card-subtle: var(--color-software-subtle);
  --card-glow: var(--color-software-glow);
}

.vertical-card--retail {
  --card-accent: var(--color-retail);
  --card-subtle: var(--color-retail-subtle);
  --card-glow: var(--color-retail-glow);
}

.vertical-card--education {
  --card-accent: var(--color-education);
  --card-subtle: var(--color-education-subtle);
  --card-glow: var(--color-education-glow);
}

/* --------------------------------------------------------------------------
   Section Styling
   -------------------------------------------------------------------------- */
.section {
  padding: var(--space-16) 0;
}

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

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--font-size-3xl);
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.section__description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 50ch;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Cards (General)
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-accent-subtle);
  box-shadow: 0 0 0 1px var(--color-accent-subtle);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* --------------------------------------------------------------------------
   Proof Point Cards
   -------------------------------------------------------------------------- */
.proof-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.proof-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg), 0 0 30px var(--color-accent-glow);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0;
  margin-top: var(--space-16);
  background: var(--color-bg-secondary);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: var(--max-width-full);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer__brand {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.footer__brand .logo-memory {
  color: #8FD9D5;
  color: color-mix(in srgb, var(--color-text-primary) 50%, var(--color-accent));
}

.footer__brand .logo-systems {
  color: var(--color-accent);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin: 0;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.footer__column {
  min-width: 8rem;
}

.footer__column-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-3);
}

.footer__column-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
}

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-primary);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  max-width: var(--max-width-full);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* --------------------------------------------------------------------------
   Vertical Page Themes
   -------------------------------------------------------------------------- */
.theme-healthcare {
  --color-accent: var(--color-healthcare);
  --color-accent-light: var(--color-healthcare-light);
  --color-accent-subtle: var(--color-healthcare-subtle);
  --color-accent-glow: var(--color-healthcare-glow);
}

.theme-software {
  --color-accent: var(--color-software);
  --color-accent-light: var(--color-software-light);
  --color-accent-subtle: var(--color-software-subtle);
  --color-accent-glow: var(--color-software-glow);
}

.theme-retail {
  --color-accent: var(--color-retail);
  --color-accent-light: var(--color-retail-light);
  --color-accent-subtle: var(--color-retail-subtle);
  --color-accent-glow: var(--color-retail-glow);
}

.theme-education {
  --color-accent: var(--color-education);
  --color-accent-light: var(--color-education-light);
  --color-accent-subtle: var(--color-education-subtle);
  --color-accent-glow: var(--color-education-glow);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-tertiary); }
.text-accent { color: var(--color-accent); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .hero {
    min-height: 60vh;
    padding: var(--space-12) var(--space-4);
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .content {
    padding: var(--space-6) var(--space-3);  /* Tighter mobile padding */
  }

  h2 {
    margin-top: var(--space-12);
  }
}

/* ==========================================================================
   INTERACTIVE CONTAINERS v2.2
   Collapsible sections, accordions, comparison grids
   Mobile-first with progressive enhancement
   ========================================================================== */

/* --------------------------------------------------------------------------
   Collapsible Layer Cards (Methodology page)
   Uses native <details> for accessibility, no JS required
   -------------------------------------------------------------------------- */
.layer-card {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-6);
  background: var(--color-bg-secondary);
  margin: var(--space-4) 0;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  transition: all var(--transition-base);
}

.layer-card:hover {
  background: var(--color-bg-tertiary);
  border-left-color: var(--color-accent-light);
}

details.layer-card {
  cursor: pointer;
}

details.layer-card summary {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  user-select: none;
  padding: var(--space-2) 0;
}

details.layer-card summary::-webkit-details-marker {
  display: none;
}

details.layer-card summary::before {
  content: "▶";
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

details.layer-card[open] summary::before {
  transform: rotate(90deg);
}

details.layer-card[open] summary {
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

details.layer-card .layer-content {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

details.layer-card .layer-content p:last-child {
  margin-bottom: 0;
}

/* Mobile: Full width, slightly less padding */
@media (max-width: 768px) {
  .layer-card {
    padding: var(--space-4);
    margin: var(--space-3) 0;
  }

  details.layer-card summary {
    min-height: 48px;
    align-items: flex-start;
    padding-top: var(--space-3);
  }
}

/* --------------------------------------------------------------------------
   Pain Point Accordions (Vertical pages)
   Interactive expanding sections for "Five Pain Points We Solve"
   -------------------------------------------------------------------------- */
.pain-point {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-left: 3px solid transparent;
  border-radius: var(--radius-lg);
  margin: var(--space-3) 0;
  transition: all var(--transition-base);
}

.pain-point:hover {
  border-color: var(--color-border);
  border-left-color: var(--color-accent);
}

details.pain-point {
  cursor: pointer;
}

details.pain-point summary {
  padding: var(--space-5);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

details.pain-point summary::-webkit-details-marker {
  display: none;
}

details.pain-point summary::before {
  content: "▶";
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  transition: transform var(--transition-fast);
  margin-top: 0.25em;
  flex-shrink: 0;
}

details.pain-point[open] {
  border-left-color: var(--color-accent);
  background: var(--color-bg-secondary);
  box-shadow: 0 4px 12px var(--color-accent-subtle);
}

details.pain-point[open] summary::before {
  transform: rotate(90deg);
}

.pain-point-content {
  padding: 0 var(--space-5) var(--space-5);
}

.pain-point-scene {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
  border-left: 2px solid var(--color-text-muted);
}

.pain-point-scene p {
  margin-bottom: 0;
}

.pain-point-scene strong {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.pain-point-solution h4 {
  color: var(--color-accent);
  margin-top: 0;
  font-size: var(--font-size-base);
}

.pain-point-solution p:last-child {
  margin-bottom: 0;
}

/* Mobile: Larger tap targets */
@media (max-width: 768px) {
  details.pain-point summary {
    padding: var(--space-4);
    min-height: 56px;
  }

  .pain-point-content {
    padding: 0 var(--space-4) var(--space-4);
  }

  .pain-point-scene {
    padding: var(--space-3);
  }
}

/* --------------------------------------------------------------------------
   Before/After Comparison Grid
   Split-screen container for transformation messaging
   -------------------------------------------------------------------------- */
.comparison-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

@media (min-width: 640px) {
  .comparison-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

.comparison-before,
.comparison-after {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
}

.comparison-before {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-text-muted);
}

.comparison-before .comparison-label {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  margin-bottom: var(--space-4);
  display: block;
}

.comparison-before ul {
  color: var(--color-text-tertiary);
  margin: 0;
  padding-left: var(--space-5);
}

.comparison-before li {
  margin-bottom: var(--space-2);
}

.comparison-after {
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent);
  border-left: 3px solid var(--color-accent);
}

.comparison-after .comparison-label {
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  margin-bottom: var(--space-4);
  display: block;
}

.comparison-after ul {
  color: var(--color-text-secondary);
  margin: 0;
  padding-left: var(--space-5);
}

.comparison-after li {
  margin-bottom: var(--space-2);
}

/* Mobile: Stack vertically with visual arrow separator */
@media (max-width: 639px) {
  .comparison-container {
    position: relative;
  }

  .comparison-before {
    padding-bottom: var(--space-6);
  }

  .comparison-before::after {
    content: "↓";
    display: block;
    text-align: center;
    color: var(--color-accent);
    font-size: var(--font-size-xl);
    margin-top: var(--space-4);
    opacity: 0.7;
  }
}

/* --------------------------------------------------------------------------
   Proof Point Showcase Cards
   Nested card hierarchy with stat highlights
   -------------------------------------------------------------------------- */
.proof-point-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.proof-point-container:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-subtle);
}

.proof-point-container h3 {
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.proof-point-container > p:last-child {
  margin-bottom: 0;
}

.proof-stat-highlight {
  display: inline-block;
  padding: var(--space-3) var(--space-4);
  background: var(--color-accent-subtle);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  margin: var(--space-3) 0;
}

.proof-link-external {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
}

.proof-link-external:hover {
  background: var(--color-bg-elevated);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.proof-link-external::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.proof-link-external:hover::after {
  transform: translateX(4px);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .proof-point-container {
    padding: var(--space-5);
    margin: var(--space-4) 0;
  }
}

/* --------------------------------------------------------------------------
   Enhanced Industry Cards (Homepage)
   Add top gradient bar on hover, improved interactivity
   -------------------------------------------------------------------------- */
.vertical-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Gradient bar that appears on hover */
.vertical-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--card-accent, var(--color-accent)) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.vertical-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-accent, var(--color-accent));
  background: var(--color-bg-tertiary);
  box-shadow: var(--shadow-xl), 0 0 40px var(--card-glow, var(--color-accent-glow));
}

.vertical-card:hover::before {
  opacity: 1;
}

/* Mobile: Reduce hover lift, add active state for touch */
@media (max-width: 768px) {
  .vertical-card {
    padding: var(--space-6);
  }

  .vertical-card:hover {
    transform: translateY(-2px);
  }

  .vertical-card:active {
    transform: translateY(0);
    transition-duration: 50ms;
  }
}

/* --------------------------------------------------------------------------
   Section Intro Cards
   For page introductions with visual hierarchy
   -------------------------------------------------------------------------- */
.intro-card {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin: var(--space-8) 0;
  position: relative;
  overflow: hidden;
}

.intro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.intro-card h2 {
  margin-top: 0;
}

@media (max-width: 768px) {
  .intro-card {
    padding: var(--space-5);
    margin: var(--space-6) 0;
  }
}

/* --------------------------------------------------------------------------
   Stats Grid
   For displaying key statistics in a scannable format
   -------------------------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
}

.stat-card__number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-1);
}

.stat-card__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

/* ==========================================================================
   DESIGN FLOURISHES v2.2
   Premium polish: gradients, animations, decorative elements
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Animated Gradient Text
   For key brand terms: "Semantic Memory", layer names, etc.
   -------------------------------------------------------------------------- */
.gradient-text {
  background: linear-gradient(90deg,
    var(--color-accent) 0%,
    var(--color-accent-light) 50%,
    var(--color-accent) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

/* --------------------------------------------------------------------------
   Gradient Headers: Per-Word Coloring
   Each word gets its own color on the white → accent gradient
   Uses CSS custom properties (--word-idx, --word-count) set by generator
   -------------------------------------------------------------------------- */

/* Gradient header container */
.gradient-header {
  /* Reset any inherited text styling */
  color: var(--color-text-primary);
}

/* Individual word styling with calculated gradient position */
.grad-word {
  /*
   * Calculate color based on word position:
   * - First word (idx=0): 100% white, 0% accent
   * - Last word (idx=count-1): 0% white, 100% accent
   * - Middle words: proportional blend
   *
   * Formula: white-percentage = 100% - (idx / (count - 1)) * 100%
   * For single-word headers, show accent color
   */

  /* Fallback for older browsers: gradient from white to accent based on position */
  color: var(--color-accent);

  /* Modern browsers with color-mix support */
  /*
   * calc() doesn't work inside color-mix percentages directly,
   * so we use a different approach: discrete color stops
   */
}

/* Single word headers - just use accent */
.grad-word:only-child {
  color: var(--color-accent);
}

/* 2-word headers: white, accent */
.gradient-header .grad-word[style*="--word-count:2"][style*="--word-idx:0"] {
  color: var(--color-text-primary);
}
.gradient-header .grad-word[style*="--word-count:2"][style*="--word-idx:1"] {
  color: var(--color-accent);
}

/* 3-word headers: white, midpoint, accent */
.gradient-header .grad-word[style*="--word-count:3"][style*="--word-idx:0"] {
  color: var(--color-text-primary);
}
.gradient-header .grad-word[style*="--word-count:3"][style*="--word-idx:1"] {
  color: #8FD9D5;
  color: color-mix(in srgb, var(--color-text-primary) 50%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:3"][style*="--word-idx:2"] {
  color: var(--color-accent);
}

/* 4-word headers: white, 67% white, 33% white, accent */
.gradient-header .grad-word[style*="--word-count:4"][style*="--word-idx:0"] {
  color: var(--color-text-primary);
}
.gradient-header .grad-word[style*="--word-count:4"][style*="--word-idx:1"] {
  color: #AFEAE7;
  color: color-mix(in srgb, var(--color-text-primary) 67%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:4"][style*="--word-idx:2"] {
  color: #6FCFCA;
  color: color-mix(in srgb, var(--color-text-primary) 33%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:4"][style*="--word-idx:3"] {
  color: var(--color-accent);
}

/* 5-word headers: white, 75%, 50%, 25%, accent */
.gradient-header .grad-word[style*="--word-count:5"][style*="--word-idx:0"] {
  color: var(--color-text-primary);
}
.gradient-header .grad-word[style*="--word-count:5"][style*="--word-idx:1"] {
  color: #BFEDEB;
  color: color-mix(in srgb, var(--color-text-primary) 75%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:5"][style*="--word-idx:2"] {
  color: #8FD9D5;
  color: color-mix(in srgb, var(--color-text-primary) 50%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:5"][style*="--word-idx:3"] {
  color: #5FC5BF;
  color: color-mix(in srgb, var(--color-text-primary) 25%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:5"][style*="--word-idx:4"] {
  color: var(--color-accent);
}

/* 6-word headers */
.gradient-header .grad-word[style*="--word-count:6"][style*="--word-idx:0"] {
  color: var(--color-text-primary);
}
.gradient-header .grad-word[style*="--word-count:6"][style*="--word-idx:1"] {
  color: color-mix(in srgb, var(--color-text-primary) 80%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:6"][style*="--word-idx:2"] {
  color: color-mix(in srgb, var(--color-text-primary) 60%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:6"][style*="--word-idx:3"] {
  color: color-mix(in srgb, var(--color-text-primary) 40%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:6"][style*="--word-idx:4"] {
  color: color-mix(in srgb, var(--color-text-primary) 20%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:6"][style*="--word-idx:5"] {
  color: var(--color-accent);
}

/* 7+ word headers: first white, last accent, middle blended */
.gradient-header .grad-word[style*="--word-count:7"][style*="--word-idx:0"],
.gradient-header .grad-word[style*="--word-count:8"][style*="--word-idx:0"],
.gradient-header .grad-word[style*="--word-count:9"][style*="--word-idx:0"] {
  color: var(--color-text-primary);
}

/* For 7-word headers */
.gradient-header .grad-word[style*="--word-count:7"][style*="--word-idx:1"] {
  color: color-mix(in srgb, var(--color-text-primary) 83%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:7"][style*="--word-idx:2"] {
  color: color-mix(in srgb, var(--color-text-primary) 67%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:7"][style*="--word-idx:3"] {
  color: color-mix(in srgb, var(--color-text-primary) 50%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:7"][style*="--word-idx:4"] {
  color: color-mix(in srgb, var(--color-text-primary) 33%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:7"][style*="--word-idx:5"] {
  color: color-mix(in srgb, var(--color-text-primary) 17%, var(--color-accent));
}
.gradient-header .grad-word[style*="--word-count:7"][style*="--word-idx:6"] {
  color: var(--color-accent);
}

/* Fallback for browsers without color-mix: show accent gradient via opacity trick */
@supports not (color: color-mix(in srgb, white, black)) {
  .gradient-header .grad-word {
    /* Fallback: first word white, last word accent, middle gets accent */
    color: var(--color-accent);
  }
  .gradient-header .grad-word[style*="--word-idx:0"] {
    color: var(--color-text-primary);
  }
}

/* Hover effect on gradient headers - subtle glow on last word */
.gradient-header:hover .grad-word:last-child {
  text-shadow: 0 0 20px var(--color-accent-glow);
  transition: text-shadow var(--transition-base);
}

/* --------------------------------------------------------------------------
   2. Decorative Accent Lines
   Subtle section dividers with gradient fade
   -------------------------------------------------------------------------- */
.content hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-accent) 50%,
    transparent 100%
  );
  opacity: 0.4;
  margin: var(--space-12) auto;
  max-width: 300px;
  position: relative;
}

/* Decorative diamond accent on hr */
.content hr::before {
  content: '◆';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.5rem;
  color: var(--color-accent);
  background: var(--color-bg-primary);
  padding: 0 var(--space-3);
  opacity: 0.6;
}

/* Section decorative corners for proof point containers */
.proof-point-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 60px;
  height: 60px;
  border-top: 2px solid var(--color-accent);
  border-left: 2px solid var(--color-accent);
  border-radius: var(--radius-lg) 0 0 0;
  opacity: 0.3;
  pointer-events: none;
}

.proof-point-container::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 60px;
  height: 60px;
  border-bottom: 2px solid var(--color-accent);
  border-right: 2px solid var(--color-accent);
  border-radius: 0 0 var(--radius-lg) 0;
  opacity: 0.3;
  pointer-events: none;
}

.proof-point-container {
  position: relative;
}

/* --------------------------------------------------------------------------
   3. Floating Stat Badges
   Highlight key statistics with styled inline badges
   -------------------------------------------------------------------------- */
.stat-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
  font-size: 0.95em;
  transition: all var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.stat-badge:hover {
  background: var(--color-accent-glow);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

/* Stat badges - no animation, just clean styling */

/* Auto-style percentages and numbers in content */
.content strong:has(%) {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   4. Enhanced Link Hover States with Glow
   Sophisticated hover feedback for navigation and CTAs
   -------------------------------------------------------------------------- */
.nav__link:hover,
.nav__dropdown-trigger:hover {
  color: var(--color-accent);
  text-shadow: 0 0 20px var(--color-accent-glow);
}

.nav__cta:hover {
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

/* CTA buttons with glow effect */
.btn--primary:hover {
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

/* Footer links with subtle glow */
.footer__link:hover {
  color: var(--color-accent);
  text-shadow: 0 0 10px var(--color-accent-glow);
}

/* Content links with underline animation */
.content a:not(.btn) {
  position: relative;
  text-decoration: none;
}

.content a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.content a:not(.btn):hover::after {
  width: 100%;
}

/* --------------------------------------------------------------------------
   5. Staggered Fade-In Animations
   Cascading entrance for lists and content blocks
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Pain point accordions stagger */
.pain-point {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

.pain-point:nth-child(1) { animation-delay: 0.1s; }
.pain-point:nth-child(2) { animation-delay: 0.15s; }
.pain-point:nth-child(3) { animation-delay: 0.2s; }
.pain-point:nth-child(4) { animation-delay: 0.25s; }
.pain-point:nth-child(5) { animation-delay: 0.3s; }

/* Layer cards stagger */
.layer-card {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

.layer-card:nth-of-type(1) { animation-delay: 0.1s; }
.layer-card:nth-of-type(2) { animation-delay: 0.2s; }
.layer-card:nth-of-type(3) { animation-delay: 0.3s; }

/* Proof point containers stagger */
.proof-point-container {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.proof-point-container:nth-of-type(1) { animation-delay: 0.1s; }
.proof-point-container:nth-of-type(2) { animation-delay: 0.2s; }
.proof-point-container:nth-of-type(3) { animation-delay: 0.3s; }

/* Comparison container fade in */
.comparison-container {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
  animation-delay: 0.2s;
}

/* Vertical cards on homepage */
.vertical-card {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

.vertical-card:nth-child(1) { animation-delay: 0.1s; }
.vertical-card:nth-child(2) { animation-delay: 0.15s; }
.vertical-card:nth-child(3) { animation-delay: 0.2s; }
.vertical-card:nth-child(4) { animation-delay: 0.25s; }

/* ==========================================================================
   VERTICAL NAVIGATION GRID - Quick links after hero
   ========================================================================== */
.vertical-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.vertical-nav-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-4) var(--space-3);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-base);
  text-align: center;
}

.vertical-nav-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.vertical-nav-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.vertical-nav-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Vertical-specific colors */
.vertical-nav-card--healthcare {
  border-color: #10b981;
}
.vertical-nav-card--healthcare .vertical-nav-card__title {
  color: #10b981;
}
.vertical-nav-card--healthcare:hover {
  background: rgba(16, 185, 129, 0.1);
  border-color: #10b981;
}

.vertical-nav-card--software {
  border-color: #f59e0b;
}
.vertical-nav-card--software .vertical-nav-card__title {
  color: #f59e0b;
}
.vertical-nav-card--software:hover {
  background: rgba(245, 158, 11, 0.1);
  border-color: #f59e0b;
}

.vertical-nav-card--retail {
  border-color: #ec4899;
}
.vertical-nav-card--retail .vertical-nav-card__title {
  color: #ec4899;
}
.vertical-nav-card--retail:hover {
  background: rgba(236, 72, 153, 0.1);
  border-color: #ec4899;
}

.vertical-nav-card--education {
  border-color: #6366f1;
}
.vertical-nav-card--education .vertical-nav-card__title {
  color: #6366f1;
}
.vertical-nav-card--education:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: #6366f1;
}

@media (max-width: 768px) {
  .vertical-nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .vertical-nav-card {
    padding: var(--space-3) var(--space-2);
  }

  .vertical-nav-card__title {
    font-size: var(--font-size-base);
  }
}

/* ==========================================================================
   INDUSTRY CARDS - Colored cards in Industries section
   ========================================================================== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.industry-card {
  padding: var(--space-5);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  transition: all var(--transition-base);
}

.industry-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.industry-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xl);
}

.industry-card p {
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.industry-card a {
  font-weight: var(--font-weight-medium);
}

/* Industry-specific colors */
.industry-card--healthcare {
  border-left-color: #10b981;
}
.industry-card--healthcare h3 {
  color: #10b981;
}
.industry-card--healthcare .btn {
  background: #10b981;
  color: var(--color-bg-primary);
  border-color: #10b981;
}
.industry-card--healthcare .btn:hover {
  background: #34d399;
  border-color: #34d399;
}

.industry-card--software {
  border-left-color: #f59e0b;
}
.industry-card--software h3 {
  color: #f59e0b;
}
.industry-card--software .btn {
  background: #f59e0b;
  color: var(--color-bg-primary);
  border-color: #f59e0b;
}
.industry-card--software .btn:hover {
  background: #fbbf24;
  border-color: #fbbf24;
}

.industry-card--retail {
  border-left-color: #ec4899;
}
.industry-card--retail h3 {
  color: #ec4899;
}
.industry-card--retail .btn {
  background: #ec4899;
  color: var(--color-bg-primary);
  border-color: #ec4899;
}
.industry-card--retail .btn:hover {
  background: #f472b6;
  border-color: #f472b6;
}

.industry-card--education {
  border-left-color: #6366f1;
}
.industry-card--education h3 {
  color: #6366f1;
}
.industry-card--education .btn {
  background: #6366f1;
  color: var(--color-bg-primary);
  border-color: #6366f1;
}
.industry-card--education .btn:hover {
  background: #818cf8;
  border-color: #818cf8;
}

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

  .industry-card {
    padding: var(--space-4);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .pain-point,
  .layer-card,
  .proof-point-container,
  .comparison-container,
  .vertical-card {
    opacity: 1;
    animation: none;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   Additional Polish
   -------------------------------------------------------------------------- */

/* Subtle pulse animation for CTA buttons */
@keyframes subtlePulse {
  0%, 100% {
    box-shadow: 0 0 0 0 var(--color-accent-glow);
  }
  50% {
    box-shadow: 0 0 0 8px transparent;
  }
}

.btn--primary {
  animation: subtlePulse 3s ease-in-out infinite;
}

.btn--primary:hover {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  .btn--primary {
    animation: none;
  }
}

/* Code blocks with subtle left accent */
pre {
  border-left: 3px solid var(--color-accent);
}

/* Blockquote enhancement */
blockquote {
  position: relative;
  padding-left: var(--space-8);
}

blockquote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -10px;
  font-size: var(--font-size-4xl);
  color: var(--color-accent);
  opacity: 0.3;
  font-family: Georgia, serif;
}

/* Table header accent */
th {
  border-bottom: 2px solid var(--color-accent);
}

/* Selection color */
::selection {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}

::-moz-selection {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}