/* ==========================================================================
   VERITAS ENGINEERING - Design System Foundation
   ========================================================================== */

/* ==========================================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================================================== */

:root {
  /* --------------------------------------
     Colors - Derived from Logo
     -------------------------------------- */

  /* Primary - Veritas Blue (from logo) */
  --color-primary: #0077C0;
  --color-primary-dark: #005a94;
  --color-primary-light: #3399d4;
  --color-primary-subtle: #e6f3fa;

  /* Secondary - Veritas Gray (from logo) */
  --color-gray-900: #1a1a1a;
  --color-gray-800: #333333;
  --color-gray-700: #58595B; /* Logo gray */
  --color-gray-600: #6d6e71;
  --color-gray-500: #888888;
  --color-gray-400: #a0a0a0;
  --color-gray-300: #c4c4c4;
  --color-gray-200: #e0e0e0;
  --color-gray-100: #f0f0f0;
  --color-gray-50: #f8f9fa;

  /* Accent - Engineering Gold (warmth, achievements) */
  --color-accent: #D97706;
  --color-accent-dark: #b45309;
  --color-accent-light: #f59e0b;

  /* Semantic Colors */
  --color-success: #059669;
  --color-success-light: #d1fae5;
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-error: #dc2626;
  --color-error-light: #fee2e2;

  /* Background Colors */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-tertiary: #f0f0f0;
  --color-bg-dark: #1a1a1a;
  --color-bg-dark-secondary: #2d2d2d;

  /* Text Colors - WCAG 2.1 AA compliant (4.5:1 minimum contrast) */
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #58595B;
  --color-text-muted: #595959;    /* Changed from #6d6e71 for 4.5:1 contrast */
  --color-text-light: #666666;    /* Changed from #888888 for 5.74:1 contrast */
  --color-text-inverse: #ffffff;

  /* Border Colors */
  --color-border: #e0e0e0;
  --color-border-light: #f0f0f0;
  --color-border-dark: #c4c4c4;

  /* --------------------------------------
     Typography
     -------------------------------------- */

  /* Font Families */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes - Using a modular scale (1.25 ratio) */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */
  --text-5xl: 3rem;       /* 48px */
  --text-6xl: 3.75rem;    /* 60px */
  --text-7xl: 4.5rem;     /* 72px */

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.2;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 1.75;

  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* --------------------------------------
     Spacing Scale
     -------------------------------------- */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* --------------------------------------
     Layout
     -------------------------------------- */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1440px;
  --container-max: 1600px;

  /* Grid */
  --grid-columns: 12;
  --grid-gap: var(--space-6);

  /* --------------------------------------
     Borders & Radius
     -------------------------------------- */
  --radius-none: 0;
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  --border-width: 1px;
  --border-width-2: 2px;
  --border-width-4: 4px;

  /* --------------------------------------
     Shadows
     -------------------------------------- */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);

  /* --------------------------------------
     Transitions
     -------------------------------------- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;

  /* --------------------------------------
     Z-Index Scale
     -------------------------------------- */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

/* ==========================================================================
   2. CSS RESET (Modern Minimal Reset)
   ========================================================================== */

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

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ==========================================================================
   3. BASE STYLES
   ========================================================================== */

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

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  z-index: var(--z-tooltip);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ==========================================================================
   4. TYPOGRAPHY
   ========================================================================== */

/* Headings */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-tight);
}

h1, .h1 {
  font-size: var(--text-5xl);
  line-height: 1.1;
}

h2, .h2 {
  font-size: var(--text-4xl);
}

h3, .h3 {
  font-size: var(--text-2xl);
}

h4, .h4 {
  font-size: var(--text-xl);
}

h5, .h5 {
  font-size: var(--text-lg);
}

h6, .h6 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}

/* Responsive heading sizes */
@media (max-width: 768px) {
  h1, .h1 {
    font-size: var(--text-4xl);
  }

  h2, .h2 {
    font-size: var(--text-3xl);
  }

  h3, .h3 {
    font-size: var(--text-xl);
  }
}

/* Body text */
p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

/* Lead text */
.lead {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  .lead {
    font-size: var(--text-lg);
  }
}

/* Small text */
small, .small {
  font-size: var(--text-sm);
}

/* Strong */
strong, b {
  font-weight: var(--font-semibold);
}

/* Links */
a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

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

/* Text links with underline */
.link {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

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

/* Lists */
.list {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.list li {
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.list-disc {
  list-style-type: disc;
}

.list-decimal {
  list-style-type: decimal;
}

/* Blockquote */
blockquote {
  padding-left: var(--space-6);
  border-left: 4px solid var(--color-primary);
  font-style: italic;
  color: var(--color-text-secondary);
}

blockquote p {
  font-size: var(--text-lg);
}

/* Horizontal rule */
hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

/* ==========================================================================
   5. LAYOUT UTILITIES
   ========================================================================== */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

.container-narrow {
  max-width: var(--container-md);
}

.container-wide {
  max-width: var(--container-2xl);
}

.container-full {
  max-width: 100%;
}

/* Section spacing */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
  }
}

@media (min-width: 1024px) {
  .section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

.section-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-start {
  align-items: flex-start;
}

.items-center {
  align-items: center;
}

.items-end {
  align-items: flex-end;
}

.justify-start {
  justify-content: flex-start;
}

.justify-center {
  justify-content: center;
}

.justify-end {
  justify-content: flex-end;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

/* Grid utilities */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (min-width: 640px) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .lg\:grid-cols-6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* ==========================================================================
   6. SPACING UTILITIES
   ========================================================================== */

/* Margin utilities */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

/* Padding utilities */
.p-0 { padding: 0; }
.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }

/* ==========================================================================
   7. TEXT UTILITIES
   ========================================================================== */

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-inverse { color: var(--color-text-inverse); }
.text-brand { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

/* ==========================================================================
   8. BACKGROUND UTILITIES
   ========================================================================== */

.bg-white { background-color: var(--color-bg-primary); }
.bg-light { background-color: var(--color-bg-secondary); }
.bg-dark { background-color: var(--color-bg-dark); }
.bg-primary { background-color: var(--color-primary); }
.bg-primary-subtle { background-color: var(--color-primary-subtle); }
.bg-accent { background-color: var(--color-accent); }
.bg-success { background-color: var(--color-success); }
.bg-success-light { background-color: var(--color-success-light); }

/* ==========================================================================
   9. BORDER UTILITIES
   ========================================================================== */

.border { border: var(--border-width) solid var(--color-border); }
.border-t { border-top: var(--border-width) solid var(--color-border); }
.border-b { border-bottom: var(--border-width) solid var(--color-border); }
.border-l { border-left: var(--border-width) solid var(--color-border); }
.border-r { border-right: var(--border-width) solid var(--color-border); }

.border-primary { border-color: var(--color-primary); }
.border-light { border-color: var(--color-border-light); }

.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ==========================================================================
   10. SHADOW UTILITIES
   ========================================================================== */

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ==========================================================================
   11. DISPLAY & VISIBILITY UTILITIES
   ========================================================================== */

.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

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

/* Responsive visibility */
@media (max-width: 767px) {
  .hide-mobile { display: none; }
}

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

/* ==========================================================================
   12. POSITION UTILITIES
   ========================================================================== */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* ==========================================================================
   13. WIDTH & HEIGHT UTILITIES
   ========================================================================== */

.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.min-h-screen { min-height: 100vh; }

/* ==========================================================================
   14. OVERFLOW UTILITIES
   ========================================================================== */

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* ==========================================================================
   15. TRANSITION UTILITIES
   ========================================================================== */

.transition {
  transition-property: color, background-color, border-color, box-shadow, transform, opacity;
  transition-duration: 250ms;
  transition-timing-function: ease;
}

.transition-fast {
  transition-duration: 150ms;
}

.transition-slow {
  transition-duration: 350ms;
}

/* ==========================================================================
   16. CURSOR UTILITIES
   ========================================================================== */

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* ==========================================================================
   17. OPACITY UTILITIES
   ========================================================================== */

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* ==========================================================================
   18. Z-INDEX UTILITIES
   ========================================================================== */

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* ==========================================================================
   19. COMPONENTS - BUTTONS
   ========================================================================== */

/* Button Base */
.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-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: var(--border-width-2) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Primary - Blue background */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.btn-primary:active {
  background-color: var(--color-primary-dark);
  transform: translateY(1px);
}

/* Button Secondary - Outlined */
.btn-secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-secondary:active {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(1px);
}

/* Button Accent - Gold for CTAs */
.btn-accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-text-inverse);
}

.btn-accent:active {
  background-color: var(--color-accent-dark);
  transform: translateY(1px);
}

/* Button Ghost - Minimal style */
.btn-ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-primary);
}

.btn-ghost:hover {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
}

/* Button Light - For dark backgrounds */
.btn-light {
  background-color: var(--color-bg-primary);
  border-color: var(--color-bg-primary);
  color: var(--color-primary);
}

.btn-light:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-100);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

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

/* Button with Icon */
.btn-icon {
  padding: var(--space-3);
}

.btn-icon.btn-sm {
  padding: var(--space-2);
}

.btn-icon.btn-lg {
  padding: var(--space-4);
}

.btn svg {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}

/* ==========================================================================
   20. COMPONENTS - NAVIGATION HEADER
   ========================================================================== */

/* Header Base */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-bg-primary);
  transition: box-shadow var(--transition-base);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .header-inner {
    height: 80px;
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .header-inner {
    height: 88px;
    padding: 0 var(--space-8);
  }
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header-logo img {
  height: 40px;
  width: auto;
}

@media (min-width: 768px) {
  .header-logo img {
    height: 48px;
  }
}

@media (min-width: 1024px) {
  .header-logo img {
    height: 56px;
  }
}

/* Desktop Navigation */
.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  padding: var(--space-2);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-item:hover .nav-link svg,
.nav-item:focus-within .nav-link svg {
  transform: rotate(180deg);
}

.nav-dropdown-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-dropdown-link:hover,
.nav-dropdown-link:focus {
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

/* Header CTA Button */
.header-cta {
  display: none;
}

@media (min-width: 1024px) {
  .header-cta {
    display: inline-flex;
    margin-left: var(--space-4);
  }
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.nav-toggle:hover {
  background-color: var(--color-gray-100);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

/* Hamburger Icon */
.nav-toggle-icon {
  position: relative;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: background-color var(--transition-fast);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-fast);
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  bottom: -7px;
}

/* Hamburger Animation when open */
.nav-toggle.active .nav-toggle-icon {
  background-color: transparent;
}

.nav-toggle.active .nav-toggle-icon::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .nav-toggle-icon::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  background-color: var(--color-bg-primary);
  padding: var(--space-4);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
}

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

@media (min-width: 768px) {
  .mobile-nav {
    top: 80px;
    padding: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .mobile-nav {
    display: none;
  }
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  background-color: var(--color-gray-100);
}

.mobile-nav-link svg {
  width: 20px;
  height: 20px;
  color: var(--color-gray-500);
  transition: transform var(--transition-fast);
}

/* Mobile Submenu */
.mobile-nav-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.mobile-nav-item.expanded .mobile-nav-submenu {
  max-height: 500px;
}

.mobile-nav-item.expanded .mobile-nav-link svg {
  transform: rotate(180deg);
}

.mobile-nav-submenu-link {
  display: block;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-8);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-submenu-link:hover,
.mobile-nav-submenu-link:focus {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

.mobile-nav-cta {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.mobile-nav-cta .btn {
  width: 100%;
}

/* ==========================================================================
   21. COMPONENTS - HERO SECTION
   ========================================================================== */

/* Hero Base */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 60vh;
  padding: var(--space-16) 0;
  background-color: var(--color-bg-secondary);
  overflow: hidden;
}

.hero-full {
  min-height: 100vh;
}

.hero-medium {
  min-height: 70vh;
}

.hero-short {
  min-height: 50vh;
}

/* Hero with Background Image */
.hero-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Hero Overlay for darkening background images */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(26, 26, 26, 0.85) 0%,
    rgba(26, 26, 26, 0.6) 50%,
    rgba(26, 26, 26, 0.4) 100%
  );
  z-index: 1;
}

.hero-overlay-dark {
  background: linear-gradient(
    to bottom,
    rgba(26, 26, 26, 0.9) 0%,
    rgba(26, 26, 26, 0.75) 100%
  );
}

.hero-overlay-gradient {
  background: linear-gradient(
    135deg,
    rgba(0, 119, 192, 0.9) 0%,
    rgba(26, 26, 26, 0.85) 100%
  );
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-content-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero-bg .hero-title,
.hero-dark .hero-title {
  color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--text-5xl);
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--text-6xl);
  }
}

.hero-subtitle {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  color: var(--color-text-secondary);
}

.hero-bg .hero-subtitle,
.hero-dark .hero-subtitle {
  color: var(--color-gray-300);
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: var(--text-xl);
  }
}

/* Hero Actions */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero-content-center .hero-actions {
  justify-content: center;
}

/* Hero Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  background-color: rgba(5, 150, 105, 0.15);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-success);
}

.hero-bg .hero-badge {
  background-color: rgba(5, 150, 105, 0.25);
  color: #6ee7b7;
  border-color: rgba(110, 231, 183, 0.5);
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.hero-bg .stats-row,
.hero-dark .stats-row {
  border-color: rgba(255, 255, 255, 0.15);
}

@media (min-width: 640px) {
  .stats-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.hero-bg .stat-number,
.hero-dark .stat-number {
  color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .stat-number {
    font-size: var(--text-4xl);
  }
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.hero-bg .stat-label,
.hero-dark .stat-label {
  color: var(--color-gray-400);
}

/* ==========================================================================
   22. COMPONENTS - CARDS
   ========================================================================== */

/* Card Base */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-body {
  flex: 1;
  padding: var(--space-6);
}

.card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.card-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: var(--space-3);
}

.card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.card-link:hover svg {
  transform: translateX(4px);
}

/* Card Service - Icon + Title + Description + Link */
.card-service {
  text-align: center;
  padding: var(--space-8);
}

.card-service .card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-5);
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.card-service:hover .card-icon {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.card-service .card-icon svg {
  width: 32px;
  height: 32px;
}

.card-service .card-title {
  font-size: var(--text-lg);
}

.card-service .card-text {
  font-size: var(--text-sm);
}

.card-service .card-link {
  justify-content: center;
}

/* Card Sector - Image Background + Overlay + Title */
.card-sector {
  position: relative;
  min-height: 280px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-sector::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 26, 26, 0.9) 0%,
    rgba(26, 26, 26, 0.4) 50%,
    rgba(26, 26, 26, 0.1) 100%
  );
  transition: background var(--transition-base);
}

.card-sector:hover::before {
  background: linear-gradient(
    to top,
    rgba(0, 119, 192, 0.9) 0%,
    rgba(0, 119, 192, 0.5) 50%,
    rgba(0, 119, 192, 0.2) 100%
  );
}

.card-sector .card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  padding-top: var(--space-8);
  z-index: 1;
  text-align: center;
}

.card-sector .card-title {
  color: var(--color-text-inverse);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.card-sector .card-text {
  color: var(--color-gray-300);
  font-size: var(--text-sm);
  margin-bottom: 0;
}

.card-sector .card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  margin-left: auto;
  margin-right: auto;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  color: var(--color-text-inverse);
}

.card-sector .card-icon svg {
  width: 24px;
  height: 24px;
}

/* Card Project - Image + Tag + Title + Client + Description */
.card-project {
  height: 100%;
}

.card-project .card-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.card-project .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card-project:hover .card-image img {
  transform: scale(1.05);
}

.card-project .card-tag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
}

.card-project .card-body {
  padding: var(--space-5);
}

.card-project .card-meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.card-project .card-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.card-project .card-text {
  font-size: var(--text-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card with border (no shadow) */
.card-bordered {
  box-shadow: none;
  border: 1px solid var(--color-border);
}

.card-bordered:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

/* Card flat (no hover effects) */
.card-flat {
  box-shadow: none;
  background-color: var(--color-bg-secondary);
}

.card-flat:hover {
  box-shadow: none;
  transform: none;
}

/* ==========================================================================
   23. COMPONENTS - BADGES & TAGS
   ========================================================================== */

/* Badge Base */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* Badge Sizes */
.badge-sm {
  padding: var(--space-1) var(--space-2);
  font-size: 0.625rem;
}

.badge-lg {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Badge Primary */
.badge-primary {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
}

/* Badge Success - for BBBEE Level 1 */
.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

/* Badge Accent */
.badge-accent {
  background-color: var(--color-warning-light);
  color: var(--color-accent-dark);
}

/* Badge Gray */
.badge-gray {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

/* Badge Outline Variants */
.badge-outline {
  background-color: transparent;
  border: 1px solid currentColor;
}

.badge-outline.badge-primary {
  color: var(--color-primary);
}

.badge-outline.badge-success {
  color: var(--color-success);
}

.badge-outline.badge-accent {
  color: var(--color-accent);
}

.badge-outline.badge-gray {
  color: var(--color-gray-600);
}

/* Badge Solid (dark background) */
.badge-solid {
  color: var(--color-text-inverse);
}

.badge-solid.badge-primary {
  background-color: var(--color-primary);
}

.badge-solid.badge-success {
  background-color: var(--color-success);
}

.badge-solid.badge-accent {
  background-color: var(--color-accent);
}

.badge-solid.badge-gray {
  background-color: var(--color-gray-700);
}

/* Badge with Icon */
.badge svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.badge-lg svg {
  width: 14px;
  height: 14px;
}

/* Badge for BBBEE - special styling */
.badge-bbbee {
  background-color: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid var(--color-success);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.badge-bbbee svg {
  width: 16px;
  height: 16px;
}

/* Tag - similar to badge but typically for categorization */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-gray-100);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tag:hover {
  background-color: var(--color-gray-200);
  color: var(--color-text-primary);
}

.tag-active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.tag-active:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

/* ==========================================================================
   24. COMPONENTS - FOOTER
   ========================================================================== */

/* Footer Base */
.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-gray-300);
  padding-top: var(--space-16);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

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

@media (min-width: 1024px) {
  .footer-main {
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
  }
}

/* Footer Brand Section */
.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: inline-block;
  margin-bottom: var(--space-5);
}

.footer-logo img {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* Footer Social Links */
.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-bg-dark-secondary);
  border-radius: var(--radius-md);
  color: var(--color-gray-400);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.footer-social-link:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.footer-social-link svg {
  width: 20px;
  height: 20px;
}

/* Footer Columns */
.footer-column {
  min-width: 0;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-inverse);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-text-inverse);
}

/* Footer Contact Info */
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact-item {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary-light);
  margin-top: 2px;
}

.footer-contact-item a {
  color: inherit;
  transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
  color: var(--color-text-inverse);
}

/* Footer Certifications */
.footer-certs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.footer-cert-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-bg-dark-secondary);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--color-gray-300);
}

.footer-cert-badge svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
}

/* Footer Bottom Bar */
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-bg-dark-secondary);
}

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

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-legal-link {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer-legal-link:hover {
  color: var(--color-gray-300);
}

/* ==========================================================================
   25. COMPONENTS - PAGE HERO
   ========================================================================== */

/* Page Hero - Simple title section for inner pages */
.page-hero {
  padding: var(--space-12) 0 var(--space-8);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .page-hero {
    padding: var(--space-16) 0 var(--space-10);
  }
}

@media (min-width: 1024px) {
  .page-hero {
    padding: var(--space-20) 0 var(--space-12);
  }
}

.page-hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

@media (min-width: 768px) {
  .page-hero-title {
    font-size: var(--text-4xl);
  }
}

@media (min-width: 1024px) {
  .page-hero-title {
    font-size: var(--text-5xl);
  }
}

.page-hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 640px;
}

@media (min-width: 768px) {
  .page-hero-subtitle {
    font-size: var(--text-xl);
  }
}

/* ==========================================================================
   26. COMPONENTS - BREADCRUMB
   ========================================================================== */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb span[aria-hidden="true"] {
  color: var(--color-gray-400);
}

.breadcrumb span[aria-current="page"] {
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
}

/* Breadcrumb with ol/li structure */
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb ol li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb ol li:not(:last-child)::after {
  content: "/";
  color: var(--color-gray-400);
}

.breadcrumb ol li[aria-current="page"] {
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
}

/* ==========================================================================
   27. COMPONENTS - CONTACT GRID
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-12);
  }
}

.contact-form-wrapper {
  order: 2;
}

@media (min-width: 1024px) {
  .contact-form-wrapper {
    order: 1;
  }
}

.contact-info {
  order: 1;
}

@media (min-width: 1024px) {
  .contact-info {
    order: 2;
  }
}

/* ==========================================================================
   28. COMPONENTS - CONTACT FORM
   ========================================================================== */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.form-required {
  color: var(--color-error);
  margin-left: var(--space-1);
}

.form-required-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-border-dark);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
  outline: none;
}

/* Form input error state */
.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px var(--color-error-light);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2358595B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-error svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Form status messages */
.form-status {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-status svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.form-status.success {
  background-color: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form-status.error {
  background-color: var(--color-error-light);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

/* Form submit button */
.form-submit {
  align-self: flex-start;
  min-width: 180px;
}

/* Honeypot field - hidden from users, visible to bots */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

/* Button loading state */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin-top: -10px;
  margin-left: -10px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spinner 0.8s linear infinite;
}

.btn-loading.btn-primary::after,
.btn-loading.btn-accent::after {
  border-top-color: var(--color-text-inverse);
}

/* Spinner animation */
@keyframes spinner {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-300);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spinner 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* ==========================================================================
   29. COMPONENTS - CONTACT INFO SIDEBAR
   ========================================================================== */

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

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

.contact-info-section h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary);
}

.contact-info-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.contact-info-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.contact-info-item a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.contact-info-item a:hover {
  color: var(--color-primary);
}

.contact-info-item strong {
  display: block;
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

/* Business hours */
.business-hours {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.hours-row:last-child {
  border-bottom: none;
}

.hours-row span:first-child {
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

/* Social links in sidebar */
.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.social-link svg {
  width: 22px;
  height: 22px;
}

/* ==========================================================================
   30. COMPONENTS - OFFICE GRID
   ========================================================================== */

.office-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

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

.office-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.office-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.office-card-featured {
  border-color: var(--color-primary);
  border-width: 2px;
}

.office-card-featured .office-card-header {
  background-color: var(--color-primary);
}

.office-card-featured .office-card-header .office-city {
  color: var(--color-text-inverse);
}

.office-card-header {
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.office-card-featured .office-card-header {
  border-bottom: none;
}

.office-city {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.office-card-body {
  flex: 1;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.office-detail {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.office-detail svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.office-detail a {
  color: inherit;
  transition: color var(--transition-fast);
}

.office-detail a:hover {
  color: var(--color-primary);
}

.office-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.office-card-link:hover {
  gap: var(--space-3);
}

.office-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.office-card-link:hover svg {
  transform: translateX(4px);
}

/* ==========================================================================
   31. COMPONENTS - MAP SECTION
   ========================================================================== */

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

.map-placeholder {
  width: 100%;
  height: 400px;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--color-border);
}

.map-placeholder-content {
  text-align: center;
  padding: var(--space-6);
}

.map-placeholder-content svg {
  width: 48px;
  height: 48px;
  color: var(--color-gray-400);
  margin: 0 auto var(--space-4);
}

.map-placeholder-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.map-placeholder-content p:last-child {
  margin-bottom: 0;
}

/* Embedded map iframe styling */
.map-embed {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  border: none;
}

@media (min-width: 768px) {
  .map-placeholder,
  .map-embed {
    height: 450px;
  }
}

@media (min-width: 1024px) {
  .map-placeholder,
  .map-embed {
    height: 500px;
  }
}

/* ==========================================================================
   32. COMPONENTS - PROJECT FILTER CONTROLS
   ========================================================================== */

/* Filter Controls Container */
.filter-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .filter-controls {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }
}

/* Filter Group */
.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .filter-group {
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
  }
}

.filter-label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* Filter Tags Container */
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Filter Tag Button */
.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-tag:hover {
  background-color: var(--color-gray-200);
  border-color: var(--color-border-dark);
  color: var(--color-text-primary);
}

.filter-tag:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.filter-tag.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.filter-tag.active:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* Filter Results Count */
.filter-results {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-light);
}

@media (min-width: 1024px) {
  .filter-results {
    padding-top: 0;
    border-top: none;
    margin-left: auto;
  }
}

/* ==========================================================================
   33. COMPONENTS - PROJECT GRID STYLES
   ========================================================================== */

/* Project Grid */
.project-grid {
  position: relative;
}

/* Project Item with animation */
.project-item {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.project-item.hidden {
  display: none;
}

.project-item.hiding {
  opacity: 0;
  transform: translateY(10px);
}

.project-item.showing {
  animation: projectFadeIn var(--transition-base) ease forwards;
}

@keyframes projectFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Featured Project Card Enhancements */
.card-project-featured {
  border: 2px solid var(--color-border);
}

.card-project-featured:hover {
  border-color: var(--color-primary);
}

.card-project-featured .card-image {
  aspect-ratio: 16 / 9;
}

.card-project-featured .card-body {
  padding: var(--space-6);
}

.card-project-featured .card-title {
  font-size: var(--text-xl);
}

@media (min-width: 768px) {
  .card-project-featured .card-title {
    font-size: var(--text-2xl);
  }
}

/* Card Tag Service (secondary tag position) */
.card-tag-service {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
}

/* Card Stats Row */
.card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.card-stat {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.card-stat strong {
  display: block;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  line-height: 1.2;
}

/* No Results Message */
.no-results {
  padding: var(--space-16) var(--space-4);
  text-align: center;
}

.no-results.hidden {
  display: none;
}

.no-results-content {
  max-width: 400px;
  margin: 0 auto;
}

.no-results-content svg {
  width: 64px;
  height: 64px;
  color: var(--color-gray-400);
  margin: 0 auto var(--space-6);
}

.no-results-content h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.no-results-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* Load More Container */
#load-more-container {
  transition: opacity var(--transition-base);
}

#load-more-container.hidden {
  display: none;
}

/* ==========================================================================
   34. COMPONENTS - CTA SECTION
   ========================================================================== */

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

/* ==========================================================================
   35. COMPONENTS - SECTOR LANDING PAGES
   ========================================================================== */

/* Sector Hero */
.sector-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 40vh;
  padding: var(--space-12) 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

@media (min-width: 768px) {
  .sector-hero {
    min-height: 45vh;
    padding: var(--space-16) 0;
  }
}

@media (min-width: 1024px) {
  .sector-hero {
    min-height: 50vh;
    padding: var(--space-20) 0;
  }
}

.sector-hero .hero-overlay {
  background: linear-gradient(
    to top,
    rgba(26, 26, 26, 0.95) 0%,
    rgba(26, 26, 26, 0.7) 50%,
    rgba(26, 26, 26, 0.4) 100%
  );
}

.sector-hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.sector-hero-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  background-color: rgba(0, 119, 192, 0.2);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  color: var(--color-primary-light);
}

.sector-hero-icon svg {
  width: 32px;
  height: 32px;
}

@media (min-width: 768px) {
  .sector-hero-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-5);
  }

  .sector-hero-icon svg {
    width: 40px;
    height: 40px;
  }
}

.sector-hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-inverse);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .sector-hero-title {
    font-size: var(--text-4xl);
  }
}

@media (min-width: 1024px) {
  .sector-hero-title {
    font-size: var(--text-5xl);
  }
}

.sector-hero-tagline {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  max-width: 560px;
}

@media (min-width: 768px) {
  .sector-hero-tagline {
    font-size: var(--text-xl);
  }
}

.sector-hero-stat {
  display: inline-flex;
  flex-direction: column;
  padding: var(--space-4) var(--space-6);
  background-color: rgba(0, 119, 192, 0.15);
  border: 1px solid rgba(0, 119, 192, 0.4);
  border-radius: var(--radius-lg);
}

.sector-hero-stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-inverse);
  line-height: 1;
}

@media (min-width: 768px) {
  .sector-hero-stat-number {
    font-size: var(--text-4xl);
  }
}

.sector-hero-stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-top: var(--space-1);
}

/* Breadcrumb Light (for dark backgrounds) */
.breadcrumb-light {
  margin-bottom: var(--space-6);
}

.breadcrumb-light a {
  color: var(--color-gray-400);
}

.breadcrumb-light a:hover {
  color: var(--color-text-inverse);
}

.breadcrumb-light ol li::after {
  color: var(--color-gray-600);
}

.breadcrumb-light ol li[aria-current="page"] {
  color: var(--color-gray-300);
}

/* Sector Overview */
.sector-overview {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 1024px) {
  .sector-overview {
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-12);
    align-items: start;
  }
}

.sector-overview-content p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.sector-overview-content p:last-child {
  margin-bottom: 0;
}

.sector-overview-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Highlight Card */
.highlight-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.highlight-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.highlight-icon svg {
  width: 24px;
  height: 24px;
}

.highlight-content h4 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.highlight-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* Capabilities Grid */
.capabilities-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.capability-group {
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.capability-group:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.capability-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.capability-title svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.capability-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-left: var(--space-10);
}

.capability-list li {
  position: relative;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  padding-left: var(--space-4);
}

.capability-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

/* Standards Grid */
.standards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .standards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.standard-badge {
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.standard-badge:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.standard-code {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.standard-name {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-tight);
}

/* Sector Statistics Grid */
.sector-stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .sector-stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.sector-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
}

.sector-stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-text-inverse);
  line-height: 1;
  margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
  .sector-stat-number {
    font-size: var(--text-5xl);
  }
}

.sector-stat-label {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-1);
}

.sector-stat-desc {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

/* Certifications Grid */
.certifications-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.certification-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.certification-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.certification-card-featured {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
}

.certification-card-featured:hover {
  border-color: var(--color-success);
}

.certification-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-3);
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-full);
  color: var(--color-primary);
}

.certification-card-featured .certification-icon {
  background-color: rgba(5, 150, 105, 0.2);
  color: var(--color-success);
}

.certification-icon svg {
  width: 24px;
  height: 24px;
}

.certification-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.certification-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* Sector CTA */
.sector-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  align-items: flex-start;
}

@media (min-width: 1024px) {
  .sector-cta {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.sector-cta-content {
  flex: 1;
}

.sector-cta-badge {
  flex-shrink: 0;
}

/* Responsive adjustments for flex on dark backgrounds */
@media (max-width: 767px) {
  .flex-col {
    flex-direction: column;
  }

  .md\:flex-row {
    flex-direction: column;
  }
}

@media (min-width: 768px) {
  .md\:flex-row {
    flex-direction: row;
  }
}

/* ==========================================================================
   36. COMPONENTS - SERVICE DETAIL PAGES
   ========================================================================== */

/* Service Header */
.service-header {
  padding: var(--space-12) 0 var(--space-8);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .service-header {
    padding: var(--space-16) 0 var(--space-10);
  }
}

@media (min-width: 1024px) {
  .service-header {
    padding: var(--space-20) 0 var(--space-12);
  }
}

.service-header-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .service-header-content {
    flex-direction: row;
    align-items: center;
    gap: var(--space-8);
  }
}

.service-icon-large {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: var(--color-primary);
  border-radius: var(--radius-xl);
  color: var(--color-text-inverse);
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .service-icon-large {
    width: 96px;
    height: 96px;
  }
}

.service-icon-large svg {
  width: 40px;
  height: 40px;
}

@media (min-width: 768px) {
  .service-icon-large svg {
    width: 48px;
    height: 48px;
  }
}

.service-header-text {
  flex: 1;
}

.service-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .service-title {
    font-size: var(--text-4xl);
  }
}

@media (min-width: 1024px) {
  .service-title {
    font-size: var(--text-5xl);
  }
}

.service-tagline {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

@media (min-width: 768px) {
  .service-tagline {
    font-size: var(--text-xl);
  }
}

/* Service Stats Card */
.service-stats-card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.stat-box {
  text-align: center;
  padding: var(--space-6);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-box .stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
  .stat-box .stat-number {
    font-size: var(--text-4xl);
  }
}

.stat-box .stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* Approach Cards */
.approach-card {
  padding: var(--space-6);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.approach-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.approach-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-4);
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
}

.approach-icon svg {
  width: 28px;
  height: 28px;
}

/* Capability Cards */
.capabilities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.capability-card {
  padding: var(--space-6);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.capability-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.capability-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.capability-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

.capability-icon svg {
  width: 24px;
  height: 24px;
}

.capability-description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

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

.capability-list li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.capability-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

/* Offering Cards */
.offering-card {
  position: relative;
  padding: var(--space-6);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.offering-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.offering-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-4);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
}

.offering-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: 0;
  margin: 0;
  list-style: none;
}

.offering-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.offering-features li svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 1px;
}

/* Sector Link Cards */
.sector-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.sector-link-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.sector-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-4);
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.sector-link-card:hover .sector-link-icon {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.sector-link-icon svg {
  width: 28px;
  height: 28px;
}

/* Expertise List */
.expertise-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.expertise-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.expertise-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Software Grid */
.software-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.software-item {
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.software-name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.software-category {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* Grid gap-12 utility */
.gap-12 {
  gap: var(--space-12);
}

/* Responsive 2-column grid for lg screens */
@media (min-width: 1024px) {
  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ==========================================================================
   37. COMPONENTS - CASE STUDY PAGE
   ========================================================================== */

/* Case Study Hero - Full-width dramatic image with overlay */
.case-study-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  padding: var(--space-16) 0 var(--space-12);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--color-gray-800);
}

@media (min-width: 768px) {
  .case-study-hero {
    min-height: 60vh;
    padding: var(--space-20) 0 var(--space-16);
  }
}

@media (min-width: 1024px) {
  .case-study-hero {
    min-height: 70vh;
    padding: var(--space-24) 0 var(--space-20);
  }
}

.case-study-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 26, 26, 0.95) 0%,
    rgba(26, 26, 26, 0.7) 40%,
    rgba(26, 26, 26, 0.4) 100%
  );
  z-index: 1;
}

.case-study-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.case-study-hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-text-inverse);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .case-study-hero-title {
    font-size: var(--text-5xl);
  }
}

@media (min-width: 1024px) {
  .case-study-hero-title {
    font-size: var(--text-6xl);
  }
}

.case-study-hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  line-height: var(--leading-relaxed);
  max-width: 640px;
}

@media (min-width: 768px) {
  .case-study-hero-subtitle {
    font-size: var(--text-xl);
  }
}

/* Case Study Layout - Main content + Sidebar */
.case-study-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 1024px) {
  .case-study-layout {
    grid-template-columns: 300px 1fr;
    gap: var(--space-12);
  }
}

/* Case Study Sidebar */
.case-study-sidebar {
  order: 2;
}

@media (min-width: 1024px) {
  .case-study-sidebar {
    order: 1;
    position: sticky;
    top: calc(88px + var(--space-6));
    align-self: start;
  }
}

/* Case Study Facts Box */
.case-study-facts {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.case-study-facts-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-primary);
}

.case-study-fact {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.case-study-fact:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.case-study-fact-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 2px;
}

.case-study-fact-icon svg {
  width: 100%;
  height: 100%;
}

.case-study-fact-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.case-study-fact-label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.case-study-fact-value {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

/* Sidebar CTA */
.case-study-sidebar-cta {
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}

.case-study-sidebar-cta p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.case-study-sidebar-cta .btn {
  width: 100%;
}

/* Case Study Content */
.case-study-content {
  order: 1;
}

@media (min-width: 1024px) {
  .case-study-content {
    order: 2;
  }
}

/* Case Study Section */
.case-study-section {
  margin-bottom: var(--space-12);
}

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

.case-study-section-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary);
}

@media (min-width: 768px) {
  .case-study-section-title {
    font-size: var(--text-3xl);
  }
}

.case-study-section p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.case-study-section p:last-child {
  margin-bottom: 0;
}

/* Case Study List */
.case-study-list {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0;
}

.case-study-list li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.case-study-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.case-study-list li strong {
  color: var(--color-text-primary);
}

/* Case Study Approach Grid */
.case-study-approach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

@media (min-width: 640px) {
  .case-study-approach-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-study-approach-item {
  text-align: center;
  padding: var(--space-6);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.case-study-approach-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-4);
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
}

.case-study-approach-icon svg {
  width: 28px;
  height: 28px;
}

.case-study-approach-item h3 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.case-study-approach-item p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Case Study Gallery */
.case-study-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

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

.case-study-gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-bg-tertiary);
}

.case-study-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-study-gallery-item:hover img {
  transform: scale(1.05);
}

.case-study-gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-3);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  font-size: var(--text-xs);
  color: var(--color-text-inverse);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.case-study-gallery-item:hover .case-study-gallery-caption {
  opacity: 1;
}

/* Case Study Results */
.case-study-results {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

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

.case-study-result-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-success-light);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-success);
}

.case-study-result-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-success);
  border-radius: var(--radius-md);
  color: var(--color-text-inverse);
}

.case-study-result-icon svg {
  width: 20px;
  height: 20px;
}

.case-study-result-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.case-study-result-value {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-success);
  line-height: 1.2;
}

.case-study-result-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Case Study Testimonial */
.case-study-testimonial {
  position: relative;
  padding: var(--space-8);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--color-primary);
  margin: 0;
}

.case-study-testimonial-quote {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  color: var(--color-primary-subtle);
  opacity: 0.5;
}

.case-study-testimonial-text {
  font-size: var(--text-lg);
  font-style: italic;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .case-study-testimonial-text {
    font-size: var(--text-xl);
  }
}

.case-study-testimonial-footer {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.case-study-testimonial-author {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-style: normal;
}

.case-study-testimonial-author strong {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.case-study-testimonial-author span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Width utility for full-width buttons */
.w-full {
  width: 100%;
}

/* ==========================================================================
   MOBILE RESPONSIVENESS ENHANCEMENTS
   Added for improved touch targets, text readability, and mobile UX
   ========================================================================== */

/* --------------------------------------
   1. TOUCH TARGET SIZE FIXES (44x44px minimum)
   -------------------------------------- */

/* Ensure all interactive elements meet 44x44px minimum */
@media (max-width: 1023px) {
  /* Navigation links - increase touch target */
  .mobile-nav-link {
    min-height: 48px;
    padding: var(--space-4) var(--space-4);
  }

  .mobile-nav-submenu-link {
    min-height: 44px;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-8);
    display: flex;
    align-items: center;
  }

  /* Buttons - ensure minimum touch target */
  .btn {
    min-height: 44px;
    padding: var(--space-3) var(--space-5);
  }

  .btn-sm {
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
  }

  .btn-lg {
    min-height: 52px;
    padding: var(--space-4) var(--space-8);
  }

  /* Form inputs - increase touch target */
  .form-input,
  .form-select,
  .form-textarea {
    min-height: 48px;
    padding: var(--space-3) var(--space-4);
    font-size: 16px; /* Prevents iOS zoom on focus */
  }

  /* Card links - increase touch target */
  .card-link {
    min-height: 44px;
    padding: var(--space-2) 0;
    display: inline-flex;
    align-items: center;
  }

  /* Footer links - increase touch target */
  .footer-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) 0;
  }

  .footer-legal-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-3);
  }

  /* Social links - ensure 44px minimum */
  .footer-social-link {
    width: 44px;
    height: 44px;
  }

  /* Office card links */
  .office-card-link {
    min-height: 44px;
    padding: var(--space-3) var(--space-5);
    display: flex;
    align-items: center;
  }

  /* Breadcrumb links */
  .breadcrumb a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-1);
  }

  /* Filter tags */
  .filter-tag {
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
  }

  /* Tag elements */
  .tag {
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
    display: inline-flex;
    align-items: center;
  }
}

/* --------------------------------------
   2. TEXT READABILITY ON MOBILE
   -------------------------------------- */

@media (max-width: 767px) {
  /* Base body text adjustments */
  body {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
  }

  /* Improve paragraph readability */
  p {
    line-height: var(--leading-loose);
  }

  /* Hero text adjustments for mobile */
  .hero-title {
    font-size: var(--text-3xl);
    line-height: 1.15;
  }

  .hero-subtitle {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
  }

  /* Card text readability */
  .card-text {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
  }

  .card-title {
    font-size: var(--text-lg);
    line-height: var(--leading-snug);
  }

  /* Service card adjustments */
  .card-service {
    padding: var(--space-6);
  }

  .card-service .card-text {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
  }

  /* Stats text adjustments */
  .stat-number {
    font-size: var(--text-2xl);
  }

  .stat-label {
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
  }

  /* Contact info readability */
  .contact-info-item {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
  }

  /* Page hero subtitle */
  .page-hero-subtitle {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
  }

  /* Lead text */
  .lead {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
  }
}

/* --------------------------------------
   3. HORIZONTAL SCROLLING PREVENTION
   -------------------------------------- */

/* Use overflow-x: clip instead of hidden to preserve sticky positioning */
body {
  overflow-x: clip;
  max-width: 100vw;
}

/* Container already has proper max-width from base styles */

/* Ensure images don't cause overflow */
img, video, iframe, embed, object {
  max-width: 100%;
  height: auto;
}

/* Prevent stats row overflow on very small screens */
@media (max-width: 359px) {
  .stats-row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .stat-item {
    padding: var(--space-3) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .stat-item:last-child {
    border-bottom: none;
  }
}

/* Prevent hero actions overflow */
@media (max-width: 479px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Prevent footer overflow */
@media (max-width: 639px) {
  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-certs {
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer-cert-badge {
    justify-content: flex-start;
  }

  .footer-bottom {
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }
}

/* Prevent grid overflow */
@media (max-width: 639px) {
  .grid {
    grid-template-columns: 1fr !important;
  }

  /* Exception for 2-column stats */
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Prevent card overflow */
.card {
  max-width: 100%;
  overflow: hidden;
}

/* Table responsive wrapper */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* --------------------------------------
   4. FORMS USABILITY ON MOBILE
   -------------------------------------- */

@media (max-width: 767px) {
  /* Form layout adjustments */
  .contact-form {
    gap: var(--space-4);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  /* Form labels */
  .form-label {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
  }

  /* Form inputs */
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* Prevents iOS zoom */
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  /* Increase touch area for select dropdown arrow */
  .form-select {
    background-position: right var(--space-4) center;
    padding-right: var(--space-12);
  }

  /* Form textarea */
  .form-textarea {
    min-height: 180px;
  }

  /* Form submit button */
  .form-submit {
    width: 100%;
    min-height: 52px;
    font-size: var(--text-lg);
  }

  /* Error messages */
  .form-error {
    font-size: var(--text-sm);
    padding: var(--space-2) 0;
  }

  /* Form status messages */
  .form-status {
    padding: var(--space-4);
    font-size: var(--text-sm);
  }

  /* Contact grid reorder */
  .contact-grid {
    gap: var(--space-8);
  }

  /* Contact info on mobile */
  .contact-info {
    order: 1;
    padding: var(--space-6);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
  }

  .contact-form-wrapper {
    order: 2;
  }
}

/* --------------------------------------
   5. CARDS AND GRIDS RESPONSIVE BEHAVIOR
   -------------------------------------- */

@media (max-width: 639px) {
  /* Card service - keep centered on mobile */
  .card-service {
    padding: var(--space-5);
    text-align: center;
  }

  .card-service .card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-4);
  }

  .card-service .card-icon svg {
    width: 28px;
    height: 28px;
  }

  .card-service .card-link {
    justify-content: center;
  }

  /* Card sector - reduce min height */
  .card-sector {
    min-height: 220px;
  }

  /* Card project */
  .card-project .card-body {
    padding: var(--space-4);
  }

  /* Office grid */
  .office-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .office-card {
    border-radius: var(--radius-md);
  }

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

/* Tablet adjustments */
@media (min-width: 640px) and (max-width: 767px) {
  .office-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------
   6. HERO SECTION MOBILE SCALING
   -------------------------------------- */

@media (max-width: 767px) {
  .hero {
    min-height: 50vh;
    padding: var(--space-12) 0;
  }

  .hero-medium {
    min-height: 55vh;
  }

  .hero-full {
    min-height: 80vh;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-badge {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-4);
  }

  .hero-badge svg {
    width: 14px;
    height: 14px;
  }

  /* Overlay adjustments for mobile readability */
  .hero-overlay {
    background: linear-gradient(
      to bottom,
      rgba(26, 26, 26, 0.85) 0%,
      rgba(26, 26, 26, 0.75) 50%,
      rgba(26, 26, 26, 0.65) 100%
    );
  }
}

/* Extra small screens */
@media (max-width: 359px) {
  .hero-title {
    font-size: var(--text-2xl);
  }

  .hero-subtitle {
    font-size: var(--text-sm);
  }

  .hero-badge {
    font-size: 0.625rem;
    padding: var(--space-2);
  }
}

/* --------------------------------------
   7. FOOTER MOBILE LAYOUT
   -------------------------------------- */

@media (max-width: 767px) {
  .footer {
    padding-top: var(--space-12);
  }

  .footer-main {
    gap: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .footer-brand {
    text-align: center;
    max-width: 100%;
  }

  .footer-brand p {
    text-align: left;
  }

  .footer-logo {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-4);
  }

  .footer-social {
    justify-content: center;
  }

  .footer-column {
    border-top: 1px solid var(--color-bg-dark-secondary);
    padding-top: var(--space-6);
  }

  .footer-heading {
    margin-bottom: var(--space-4);
  }

  .footer-links {
    gap: var(--space-1);
  }

  .footer-contact {
    gap: var(--space-3);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
    gap: var(--space-2);
  }

  .footer-legal-link {
    padding: var(--space-2);
  }
}

/* --------------------------------------
   8. NAVIGATION MOBILE MENU
   -------------------------------------- */

@media (max-width: 1023px) {
  /* Improve mobile nav visibility */
  .mobile-nav {
    padding: var(--space-4);
    padding-bottom: var(--space-16);
  }

  .mobile-nav-list {
    gap: var(--space-1);
  }

  .mobile-nav-link {
    font-size: var(--text-lg);
    border-radius: var(--radius-md);
  }

  .mobile-nav-submenu {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    margin-top: var(--space-1);
    padding: var(--space-2) 0;
  }

  .mobile-nav-submenu-link {
    padding-left: var(--space-6);
    font-size: var(--text-base);
  }

  .mobile-nav-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4);
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    margin-top: 0;
    z-index: calc(var(--z-modal) + 1);
  }

  .mobile-nav-cta .btn {
    width: 100%;
    min-height: 52px;
    font-size: var(--text-lg);
  }
}

/* --------------------------------------
   9. IMAGE SCALING
   -------------------------------------- */

/* Ensure all images scale properly */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Project card images */
.card-project .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Header logo scaling */
@media (max-width: 359px) {
  .header-logo img {
    height: 32px;
  }
}

/* Footer logo scaling */
@media (max-width: 479px) {
  .footer-logo img {
    height: 40px;
  }
}

/* --------------------------------------
   10. ADDITIONAL BREAKPOINT CONSISTENCY
   -------------------------------------- */

/* 640px breakpoint - Small tablets/large phones */
@media (min-width: 640px) and (max-width: 767px) {
  .container {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  h1, .h1 {
    font-size: var(--text-3xl);
  }

  h2, .h2 {
    font-size: var(--text-2xl);
  }
}

/* 768px breakpoint - Tablets */
@media (min-width: 768px) and (max-width: 1023px) {
  .header-inner {
    height: 76px;
  }

  /* Show 2 columns for grids */
  .grid-cols-1.sm\:grid-cols-2.lg\:grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------
   11. ACCESSIBILITY IMPROVEMENTS
   -------------------------------------- */

/* Increase focus visibility on mobile */
@media (max-width: 1023px) {
  :focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
  }

  /* Ensure skip link works on mobile */
  .skip-link:focus {
    top: var(--space-2);
    left: var(--space-4);
    right: var(--space-4);
    transform: none;
    text-align: center;
  }
}

/* Improve tap highlight on iOS */
@media (max-width: 1023px) {
  a, button, input, select, textarea, [role="button"] {
    -webkit-tap-highlight-color: rgba(0, 119, 192, 0.2);
  }
}

/* --------------------------------------
   12. SAFE AREA INSETS (notch support)
   -------------------------------------- */

@supports (padding: max(0px)) {
  .header {
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
  }

  .mobile-nav {
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
    padding-bottom: max(var(--space-16), env(safe-area-inset-bottom));
  }

  .mobile-nav-cta {
    padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
  }

  .footer {
    padding-bottom: max(var(--space-6), env(safe-area-inset-bottom));
  }
}