/* ==========================================================================
   JAMESFORD MANAGEMENT CONSULTANTS - CORE STYLESHEET
   Target Locale: en-GB | Layout Direction: LTR
   Mobile-First Responsive Architecture (WCAG 2.1 AA/AAA Compliant)
   ========================================================================== */

/* Design Tokens & Custom Properties */
:root {
  /* Brand Palette - WCAG AA/AAA Accessible Contrasts */
  --color-primary: #004e8a;         /* Deep Corporate Blue (4.5:1+ against white) */
  --color-primary-hover: #003865;   /* Darker Navy on Interaction */
  --color-primary-light: #006699;   /* Supporting Secondary Blue */
  --color-primary-subtle: #eef6fb;  /* Soft Blue Tint */
  --color-accent: #0284c7;          /* High-Contrast Interactive Blue */
  --color-accent-subtle: #e0f2fe;   /* Light Sky Tint */
  --color-gold: #c27d00;            /* Executive Amber Accent */
  
  /* Neutral Slate Scale */
  --color-dark-navy: #0b1a2d;       /* Header and Deep Contrast Backgrounds */
  --color-navy-surface: #132438;    /* Dark Card Surfaces */
  --color-text-main: #0f172a;       /* Primary Typography (16:1 against white) */
  --color-text-muted: #334155;      /* Subtitles & Body Copy (7:1 against white) */
  --color-text-light: #64748b;      /* Tertiary / Captions */
  --color-surface: #ffffff;         /* Pure White Surface */
  --color-surface-alt: #f8fafc;     /* Subtle Off-White Background */
  --color-surface-hover: #f1f5f9;   /* Hover Surface */
  --color-border: #e2e8f0;          /* Subtle Dividing Lines */
  --color-border-strong: #cbd5e1;   /* Input and Card Borders */

  /* Semantic Feedback */
  --color-success: #047857;         /* Positive Metric Green */
  --color-success-bg: #ecfdf5;
  --color-warning: #b45309;
  --color-warning-bg: #fffbeb;

  /* Typography Scale */
  --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-serif: Georgia, "Times New Roman", Times, serif;
  
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --font-size-sm: clamp(0.875rem, 0.82rem + 0.28vw, 0.9375rem);
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --font-size-md: clamp(1.125rem, 1.05rem + 0.38vw, 1.25rem);
  --font-size-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --font-size-xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --font-size-2xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.375rem);
  --font-size-3xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);

  /* Spacing */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;

  /* Layout Boundaries */
  --max-content-width: 1240px;
  --header-height: 80px;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-full: 9999px;

  /* Shadows & Elevations */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* Motion */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-surface-alt);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip; /* Safely prevent horizontal spill without breaking position: sticky */
  position: relative;
}

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;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark-navy);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 { font-size: var(--font-size-3xl); margin-bottom: var(--space-md); }
h2 { font-size: var(--font-size-2xl); margin-bottom: var(--space-sm); }
h3 { font-size: var(--font-size-xl); margin-bottom: var(--space-xs); }
h4 { font-size: var(--font-size-lg); }

p {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--color-primary-hover);
  text-decoration-color: var(--color-primary-hover);
}

/* Accessible Focus Indicators */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: 1rem;
  background: var(--color-dark-navy);
  color: var(--color-surface);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-content-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-xl);
  }
}

.section {
  padding-block: var(--space-2xl);
}

@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-3xl);
  }
}

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

.section--dark {
  background-color: var(--color-dark-navy);
  color: var(--color-surface);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-surface);
}

.section--dark p {
  color: var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

.section-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--border-radius-full);
  margin-bottom: var(--space-sm);
}

.section--dark .section-tag {
  background-color: rgba(2, 132, 199, 0.2);
  color: #7dd3fc;
}

/* ==========================================================================
   Header & Navigation (Direct body child with position: sticky; top: 0)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
}

/* Top utility bar */
.top-bar {
  background-color: var(--color-dark-navy);
  color: var(--color-border);
  font-size: var(--font-size-xs);
  padding-block: 0.35rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: none;
}

@media (min-width: 900px) {
  .top-bar {
    display: block;
  }
}

.top-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar__info {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.top-bar__info a {
  color: var(--color-border);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar__info a:hover {
  color: var(--color-surface);
  text-decoration: underline;
}

.top-bar__links {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.top-bar__links a {
  color: var(--color-border);
  text-decoration: none;
  font-weight: 500;
}

.top-bar__links a:hover {
  color: var(--color-surface);
}

.header-main {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

/* Logo starts header and is the home link */
.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--color-dark-navy);
  flex-shrink: 0;
  padding: var(--space-xs) 0;
}

.brand-logo img {
  height: 48px;
  width: auto;
  aspect-ratio: 180 / 48;
  object-fit: contain;
}

.brand-logo__text {
  display: flex;
  flex-direction: column;
}

.brand-logo__title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-dark-navy);
  line-height: 1.1;
}

.brand-logo__subtitle {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Desktop Navigation - No 'Home' item as instructed */
.desktop-nav {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 992px) {
  .desktop-nav {
    display: flex;
  }
}

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--space-sm);
}

.nav-link {
  color: var(--color-text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  padding: 0.6rem 0.85rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  position: relative;
}

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

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  inset-inline-start: 0.85rem;
  inset-inline-end: 0.85rem;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-surface);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  padding: 0.65rem 1.25rem;
  min-height: 48px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.header-cta:hover,
.header-cta:focus {
  background-color: var(--color-primary-hover);
  color: var(--color-surface);
  transform: translateY(-1px);
}

/* Mobile Menu Toggle Button (>= 48px touch target) */
.mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-dark-navy);
  cursor: pointer;
  padding: 0;
  transition: background-color var(--transition-fast);
}

.mobile-toggle:hover,
.mobile-toggle:focus {
  background-color: var(--color-surface-hover);
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

@media (min-width: 992px) {
  .mobile-toggle {
    display: none;
  }
}

/* Mobile Drawer (No Home item) */
.mobile-drawer {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background-color: var(--color-surface);
  z-index: 999;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

@media (min-width: 992px) {
  .mobile-drawer {
    display: none;
  }
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  min-height: 48px;
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-main);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.mobile-drawer__footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.mobile-drawer__footer p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

/* ==========================================================================
   Hero & Sliders (WCAG 2.2.2 Compliant with Pause/Play and Accessibility)
   ========================================================================== */
.hero-slider-section {
  background-color: var(--color-dark-navy);
  color: var(--color-surface);
  position: relative;
  overflow: hidden;
  padding-block: var(--space-xl);
}

@media (min-width: 992px) {
  .hero-slider-section {
    padding-block: var(--space-3xl);
  }
}

.slider-container {
  position: relative;
  width: 100%;
}

.slider-track {
  position: relative;
  min-height: 480px;
}

@media (min-width: 768px) {
  .slider-track {
    min-height: 420px;
  }
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 600ms ease, visibility 600ms ease;
  display: flex;
  align-items: center;
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.slide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 992px) {
  .slide-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.slide-content h1,
.slide-content .hero-heading {
  color: var(--color-surface);
  font-size: var(--font-size-3xl);
  line-height: 1.15;
  margin-bottom: var(--space-md);
  font-weight: 800;
}

.slide-content .hero-highlight {
  color: #38bdf8;
}

.slide-content p {
  color: #cbd5e1;
  font-size: var(--font-size-md);
  max-width: 600px;
  margin-bottom: var(--space-xl);
}

.slide-testimonial {
  background-color: rgba(255, 255, 255, 0.07);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  margin-bottom: var(--space-xl);
}

.slide-testimonial blockquote {
  font-style: italic;
  font-size: var(--font-size-sm);
  color: #f1f5f9;
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

.slide-testimonial cite {
  display: block;
  font-style: normal;
  font-size: var(--font-size-xs);
  color: #94a3b8;
  font-weight: 600;
}

.slide-media {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 16 / 10;
  background-color: var(--color-navy-surface);
}

.slide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

/* Slider Controls (Accessible) */
.slider-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.slider-pagination {
  display: flex;
  gap: var(--space-xs);
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--border-radius-full);
  background-color: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.slider-dot.is-active {
  background-color: #38bdf8;
  width: 32px;
}

.slider-buttons {
  display: flex;
  gap: var(--space-xs);
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.slider-btn:hover,
.slider-btn:focus {
  background-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--color-primary-hover);
  color: var(--color-surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--accent {
  background-color: #0284c7;
  color: var(--color-surface);
}

.btn--accent:hover,
.btn--accent:focus {
  background-color: #0369a1;
  color: var(--color-surface);
  transform: translateY(-2px);
}

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

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

.btn--outline-white {
  background-color: transparent;
  color: var(--color-surface);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-white:hover,
.btn--outline-white:focus {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-surface);
  color: var(--color-surface);
}

/* ==========================================================================
   Core Value Pillars & Cards
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .pillars-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pillar-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
}

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

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

.pillar-card__icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.pillar-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-dark-navy);
}

.pillar-card p {
  color: var(--color-text-muted);
  flex-grow: 1;
  margin-bottom: var(--space-lg);
}

.pillar-card__link {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-primary);
  text-decoration: none;
  min-height: 48px;
}

.pillar-card__link:hover,
.pillar-card__link:focus {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* ==========================================================================
   Quantified Results & Stat Cards (GEO/AEO Structured Data Compliant)
   ========================================================================== */
.impact-banner {
  background: linear-gradient(135deg, #0b1a2d 0%, #173254 100%);
  color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  margin-block: var(--space-2xl);
  box-shadow: var(--shadow-xl);
}

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

@media (min-width: 992px) {
  .impact-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

.impact-header h2 {
  color: var(--color-surface);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

.impact-header p {
  color: #cbd5e1;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-xl);
}

/* Semantic Definition List for GEO fact extraction */
.stats-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 600px) {
  .stats-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-item {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: transform var(--transition-fast);
}

.stat-item:hover {
  transform: translateY(-2px);
  background-color: rgba(255, 255, 255, 0.12);
}

.stat-item__icon {
  width: 50px;
  height: 50px;
  margin-bottom: var(--space-xs);
  object-fit: contain;
}

.stat-item dt {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  font-weight: 600;
  margin-top: var(--space-xs);
}

.stat-item dd {
  font-size: clamp(1.75rem, 1.5rem + 1vw, 2.25rem);
  font-weight: 800;
  color: #38bdf8;
  line-height: 1.1;
  margin: 0;
}

/* Responsive Media / Video Container */
.video-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: #000;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==========================================================================
   Industry Sectors Grid
   ========================================================================== */
.sectors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

@media (min-width: 1024px) {
  .sectors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.sector-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

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

.sector-card__badge {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.sector-card h3 {
  font-size: var(--font-size-lg);
  color: var(--color-dark-navy);
  margin-bottom: var(--space-xs);
}

.sector-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.sector-card__clients {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
}

.sector-card__clients strong {
  color: var(--color-text-main);
}

/* ==========================================================================
   Client Logo Showcase
   ========================================================================== */
.client-logo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  align-items: center;
}

@media (min-width: 600px) {
  .client-logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .client-logo-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.client-logo-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 84px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.client-logo-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.client-logo-item img {
  max-height: 48px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.85;
  transition: filter var(--transition-fast), opacity var(--transition-fast);
}

.client-logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ==========================================================================
   Testimonial Cards & Carousel
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

@media (min-width: 1100px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.testimonial-card blockquote {
  font-size: var(--font-size-base);
  line-height: 1.65;
  color: var(--color-text-main);
  margin-bottom: var(--space-lg);
  position: relative;
}

.testimonial-card cite {
  display: flex;
  flex-direction: column;
  font-style: normal;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
}

.testimonial-card .cite-author {
  font-weight: 700;
  color: var(--color-dark-navy);
  font-size: var(--font-size-sm);
}

.testimonial-card .cite-org {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: 600;
}

/* ==========================================================================
   Team Members Directory & Bio Cards
   ========================================================================== */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 540px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 850px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1140px) {
  .team-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.team-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.team-card__image {
  aspect-ratio: 1 / 1.15;
  width: 100%;
  background-color: var(--color-surface-hover);
  overflow: hidden;
}

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

.team-card:hover .team-card__image img {
  transform: scale(1.04);
}

.team-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.team-card__name {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-dark-navy);
  margin-bottom: var(--space-2xs);
}

.team-card__role {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.team-card__summary {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.team-card__btn {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  width: 100%;
}

.team-card__btn:hover,
.team-card__btn:focus {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

/* ==========================================================================
   Accessible Modals (Dialog)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 26, 45, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  padding: var(--space-xl);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-backdrop.is-active .modal-content {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: var(--space-md);
  inset-inline-end: var(--space-md);
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background: var(--color-surface-hover);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-main);
  transition: background-color var(--transition-fast);
}

.modal-close-btn:hover,
.modal-close-btn:focus {
  background-color: var(--color-border);
}

/* ==========================================================================
   Questionnaire & Diagnostic Tool System
   ========================================================================== */
.diagnostic-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.diagnostic-tabs {
  display: flex;
  background-color: var(--color-surface-hover);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}

.diagnostic-tab-btn {
  padding: 1rem 1.5rem;
  background: transparent;
  border: none;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  min-height: 48px;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.diagnostic-tab-btn:hover,
.diagnostic-tab-btn:focus {
  color: var(--color-primary);
  background-color: rgba(0, 78, 138, 0.05);
}

.diagnostic-tab-btn.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background-color: var(--color-surface);
}

.diagnostic-body {
  padding: var(--space-xl);
}

.quiz-question-group {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.quiz-question-group:last-child {
  border-bottom: none;
  margin-bottom: var(--space-md);
}

.quiz-question-text {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-dark-navy);
  margin-bottom: var(--space-md);
}

.likert-scale {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-xs);
}

@media (max-width: 640px) {
  .likert-scale {
    grid-template-columns: 1fr;
  }
}

.likert-option {
  position: relative;
}

.likert-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.likert-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 54px;
  padding: 0.5rem;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.likert-option input[type="radio"]:checked + .likert-label {
  background-color: var(--color-primary-subtle);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
}

.likert-option input[type="radio"]:focus-visible + .likert-label {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.quiz-results-card {
  background: linear-gradient(135deg, #0b1a2d 0%, #173254 100%);
  color: var(--color-surface);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
  margin-top: var(--space-xl);
  display: none;
}

.quiz-results-card.is-active {
  display: block;
}

.quiz-results-card h3 {
  color: var(--color-surface);
  margin-bottom: var(--space-xs);
}

.quiz-results-card p {
  color: #cbd5e1;
}

.score-badge {
  display: inline-block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: #38bdf8;
  margin-bottom: var(--space-md);
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-dark-navy);
  margin-bottom: var(--space-xs);
}

.form-label .required {
  color: #e11d48;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  min-height: 48px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--border-radius-md);
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

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

.form-feedback {
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--space-md);
  display: none;
}

.form-feedback.is-success {
  display: block;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid #a7f3d0;
}

.form-feedback.is-error {
  display: block;
  background-color: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* ==========================================================================
   Back-to-Top Button (Fixed, >= 48px, accessible)
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  inset-inline-end: 2rem;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-primary);
  color: var(--color-surface);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background-color var(--transition-fast);
  z-index: 990;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-dark-navy);
  color: #cbd5e1;
  margin-top: auto;
  padding-top: var(--space-3xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-col h4 {
  color: var(--color-surface);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col p {
  color: #94a3b8;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

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

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: var(--font-size-sm);
  display: inline-block;
  padding-block: 0.25rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus {
  color: #38bdf8;
  transform: translateX(3px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  color: #94a3b8;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  stroke: #38bdf8;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.footer-social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.footer-social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-surface);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.footer-social-btn:hover,
.footer-social-btn:focus {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.footer-social-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer-bottom {
  padding-block: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-xs);
  color: #64748b;
}

.footer-bottom__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

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

.footer-bottom-links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: #64748b;
  text-decoration: none;
}

.footer-bottom-links a:hover,
.footer-bottom-links a:focus {
  color: #94a3b8;
  text-decoration: underline;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .site-header,
  .back-to-top,
  .mobile-drawer,
  .slider-controls,
  .modal-backdrop {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    text-decoration: underline;
    color: #000;
  }
}