/* ==========================================================================
   TechSolutions, Inc. (TSI) - Production Modern Stylesheet
   Modern Mobile-First Architecture | WCAG 2.1 AA Compliant | Fluid Typography
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette */
  --color-primary: #00325f;
  --color-primary-dark: #002240;
  --color-primary-light: #004d8c;
  --color-accent: #007ac9;
  --color-accent-hover: #0062a3;
  --color-accent-subtle: #e6f4fb;
  --color-secondary: #0284c7;
  --color-success: #059669;
  --color-success-subtle: #ecfdf5;
  --color-warning: #d97706;
  --color-warning-subtle: #fffbeb;
  --color-danger: #dc2626;

  /* Neutral Spectrum */
  --color-slate-900: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-slate-200: #e2e8f0;
  --color-slate-100: #f1f5f9;
  --color-slate-50: #f8fafc;
  --color-white: #ffffff;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Fluid Font Sizes using clamp() */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.375rem);
  --text-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --text-5xl: clamp(2.75rem, 2.3rem + 2.2vw, 3.75rem);

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

  /* Elevation Shadows */
  --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);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Layout */
  --container-max: 1240px;
  --container-narrow: 880px;
  --header-height: 80px;

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

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  color: var(--color-slate-700);
  background-color: var(--color-slate-50);
  -webkit-text-size-adjust: 100%;
}

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

/* Accessible focus styling */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-slate-900);
  font-weight: 700;
  line-height: 1.25;
  overflow-wrap: break-word;
}

h1 {
  font-size: var(--text-4xl);
  letter-spacing: -0.025em;
  margin-block-end: var(--space-4);
}

h2 {
  font-size: var(--text-3xl);
  letter-spacing: -0.02em;
  margin-block-end: var(--space-4);
}

h3 {
  font-size: var(--text-2xl);
  letter-spacing: -0.015em;
  margin-block-end: var(--space-3);
}

h4 {
  font-size: var(--text-xl);
  margin-block-end: var(--space-2);
}

p {
  margin-block-end: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-slate-700);
  max-width: 75ch;
}

p.lead {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-slate-600);
}

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

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

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

ul, ol {
  padding-inline-start: var(--space-6);
  margin-block-end: var(--space-4);
}

li {
  margin-block-end: var(--space-2);
}

/* Skip Link for Keyboard Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: var(--space-4);
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-4);
  outline: 3px solid var(--color-white);
}

/* --------------------------------------------------------------------------
   3. Layout Containers & Grid Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

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

.section {
  padding-block: var(--space-12);
  position: relative;
}

@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-16);
  }
}

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

.section-dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.section-dark p {
  color: var(--color-slate-200);
}

.section-title-wrap {
  text-align: center;
  margin-block-end: var(--space-10);
  max-width: 800px;
  margin-inline: auto;
}

.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  margin-block-end: var(--space-2);
}

.section-dark .section-tag {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

/* Responsive Grid Helper */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: 1fr;
}

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

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Controls (Touch targets >= 48px)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  min-width: 48px;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

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

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

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

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

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

.btn-white:hover {
  background-color: var(--color-slate-100);
  color: var(--color-primary-dark);
}

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

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

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  margin-block-start: var(--space-6);
}

/* --------------------------------------------------------------------------
   5. Sticky Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-block-end: 1px solid var(--color-slate-200);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-fast);
}

/* Top utility bar */
.top-bar {
  background-color: var(--color-primary-dark);
  color: var(--color-slate-200);
  font-size: var(--text-xs);
  border-block-end: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-2);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.top-bar-contact a {
  color: var(--color-slate-200);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.top-bar-contact a:hover {
  color: var(--color-white);
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.top-bar-actions a {
  color: var(--color-slate-200);
  font-weight: 500;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.top-bar-actions a:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.top-bar-actions a.badge-highlight {
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  padding: 3px var(--space-3);
}

.top-bar-actions a.badge-highlight:hover {
  background-color: var(--color-accent-hover);
}

/* Header Main Bar */
.header-main {
  padding-block: var(--space-3);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  min-height: 48px;
}

.site-logo-img {
  height: 46px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

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

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }
}

.nav-desktop-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-desktop-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate-700);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: inline-block;
  position: relative;
}

.nav-desktop-link:hover {
  color: var(--color-primary);
  background-color: var(--color-slate-100);
  text-decoration: none;
}

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

.nav-desktop-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: var(--space-3);
  inset-inline-end: var(--space-3);
  height: 2px;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
}

/* Mobile Menu Toggle Button (>= 48px target) */
.menu-toggle-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-slate-800);
}

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

.menu-toggle-line {
  width: 24px;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.menu-toggle-btn[aria-expanded="true"] .line-top {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle-btn[aria-expanded="true"] .line-mid {
  opacity: 0;
}

.menu-toggle-btn[aria-expanded="true"] .line-bot {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  display: flex;
  justify-content: flex-end;
}

.mobile-nav-drawer.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-content {
  width: min(85vw, 360px);
  height: 100%;
  background-color: var(--color-white);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
  box-shadow: -4px 0 25px rgba(0, 0, 0, 0.15);
}

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

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--space-6);
  padding-block-end: var(--space-4);
  border-block-end: 1px solid var(--color-slate-200);
}

.mobile-close-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-slate-100);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  color: var(--color-slate-700);
  cursor: pointer;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-slate-800);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  text-decoration: none;
}

.mobile-nav-footer {
  margin-top: auto;
  padding-block-start: var(--space-6);
  border-block-start: 1px solid var(--color-slate-200);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   6. Hero Component & Banner Patterns
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #004580 100%);
  color: var(--color-white);
  padding-block: var(--space-16) var(--space-16);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(0, 122, 201, 0.25) 0%, transparent 50%),
                    radial-gradient(circle at 20% 80%, rgba(2, 132, 199, 0.2) 0%, transparent 40%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-content h1 {
  color: var(--color-white);
  font-size: var(--text-4xl);
  line-height: 1.15;
  margin-block-end: var(--space-4);
}

.hero-content p {
  color: var(--color-slate-200);
  font-size: var(--text-lg);
  line-height: 1.6;
  margin-block-end: var(--space-6);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-end: var(--space-6);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-white);
}

.hero-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: var(--color-slate-800);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.hero-card h2 {
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-block-end: var(--space-3);
}

.hero-card p {
  font-size: var(--text-sm);
  color: var(--color-slate-600);
  margin-block-end: var(--space-4);
}

/* Page Banner (for subpages) */
.page-banner {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding-block: var(--space-12) var(--space-12);
  position: relative;
  text-align: center;
}

.page-banner h1 {
  color: var(--color-white);
  margin-block-end: var(--space-2);
}

.page-banner p {
  color: var(--color-slate-200);
  font-size: var(--text-lg);
  margin-inline: auto;
}

.breadcrumbs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0 0;
  font-size: var(--text-xs);
}

.breadcrumbs a {
  color: var(--color-slate-300);
}

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

.breadcrumbs span[aria-current="page"] {
  color: var(--color-white);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   7. Metrics & Stats Bar ("TSI by the Numbers")
   -------------------------------------------------------------------------- */
.stats-strip {
  background: var(--color-white);
  border-block: 1px solid var(--color-slate-200);
  padding-block: var(--space-8);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 10;
  margin-top: -30px;
  border-radius: var(--radius-xl);
  max-width: min(var(--container-max), calc(100% - var(--space-6)));
  margin-inline: auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  text-align: center;
}

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

.stat-item {
  padding-inline: var(--space-3);
  position: relative;
}

@media (min-width: 768px) {
  .stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20%;
    inset-inline-end: 0;
    height: 60%;
    width: 1px;
    background-color: var(--color-slate-200);
  }
}

.stat-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  margin-block-end: var(--space-1);
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-500);
}

/* --------------------------------------------------------------------------
   8. Feature Cards, Services & Value Proposition
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-block-end: var(--space-4);
  font-size: 1.5rem;
}

.card-header-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-block-end: var(--space-4);
}

.card h3 {
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-block-end: var(--space-2);
}

.card p {
  color: var(--color-slate-600);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-block-end: var(--space-4);
  flex-grow: 1;
}

.card-link {
  font-weight: 600;
  font-size: var(--text-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-accent);
  margin-top: auto;
}

.card-link:hover {
  color: var(--color-accent-hover);
}

/* Feature Pill / Badge */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

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

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

/* Seven-Point Pledge Grid */
.pledge-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

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

.pledge-item {
  display: flex;
  gap: var(--space-4);
  background: var(--color-white);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-sm);
}

.pledge-num {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-lg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pledge-text h3 {
  font-size: var(--text-base);
  margin-block-end: var(--space-1);
  color: var(--color-primary);
}

.pledge-text p {
  font-size: var(--text-sm);
  color: var(--color-slate-600);
  margin: 0;
}

/* --------------------------------------------------------------------------
   9. Social Proof, Partner Badges & Testimonials
   -------------------------------------------------------------------------- */
.partner-section {
  padding-block: var(--space-10);
  background: var(--color-white);
  border-block: 1px solid var(--color-slate-200);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  align-items: center;
  justify-items: center;
}

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

.partner-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  height: 80px;
  width: 100%;
}

.partner-logo-img {
  max-height: 55px;
  max-width: 160px;
  object-fit: contain;
  filter: grayscale(80%);
  opacity: 0.85;
  transition: all var(--transition-fast);
}

.partner-logo-wrap:hover .partner-logo-img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.04);
}

/* Testimonial Cards */
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-slate-200);
  display: flex;
  flex-direction: column;
  position: relative;
}

.testimonial-quote {
  font-size: var(--text-base);
  font-style: italic;
  line-height: 1.7;
  color: var(--color-slate-700);
  margin-block-end: var(--space-6);
  position: relative;
}

.testimonial-quote::before {
  content: '“';
  font-size: 3rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
  display: block;
  margin-bottom: -1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
  border-block-start: 1px solid var(--color-slate-100);
  padding-block-start: var(--space-4);
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-base);
}

.author-name {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-slate-900);
}

.author-role {
  font-size: var(--text-xs);
  color: var(--color-slate-500);
}

/* --------------------------------------------------------------------------
   10. Accessible Accordion Component (Direct-Answer AEO Structure)
   -------------------------------------------------------------------------- */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 860px;
  margin-inline: auto;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-slate-800);
  cursor: pointer;
  list-style: none;
  gap: var(--space-4);
}

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

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-slate-100);
  color: var(--color-slate-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform var(--transition-normal), background-color var(--transition-fast);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  background-color: var(--color-accent);
  color: var(--color-white);
}

.faq-content {
  padding: 0 var(--space-5) var(--space-5) var(--space-5);
  color: var(--color-slate-600);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   11. Data Tables (Break-Fix vs Managed IT Comparison - AEO Ready)
   -------------------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-block: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-slate-200);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  font-size: var(--text-sm);
  min-width: 600px;
}

.comparison-table th {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: start;
  padding: var(--space-4) var(--space-5);
  font-weight: 700;
  font-size: var(--text-sm);
}

.comparison-table td {
  padding: var(--space-4) var(--space-5);
  border-block-end: 1px solid var(--color-slate-200);
  color: var(--color-slate-700);
}

.comparison-table tr:last-child td {
  border-block-end: none;
}

.comparison-table tr:nth-child(even) {
  background-color: var(--color-slate-50);
}

.comparison-table .highlight-col {
  background-color: rgba(0, 122, 201, 0.05);
  font-weight: 600;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   12. Forms & Inputs (WCAG 2.1 AA Compliant)
   -------------------------------------------------------------------------- */
.form-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-block-end: var(--space-5);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-slate-800);
  margin-block-end: var(--space-2);
}

.form-label .required {
  color: var(--color-danger);
  margin-inline-start: var(--space-1);
}

.form-control {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-slate-900);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-slate-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 122, 201, 0.2);
}

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

/* Anti-Spam Honeypot - hidden from sighted and screen reader users */
.visually-hidden-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
}

/* Form alert messages */
.form-alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-block-end: var(--space-4);
  display: none;
}

.form-alert.is-visible {
  display: block;
}

.form-alert.alert-success {
  background-color: var(--color-success-subtle);
  color: var(--color-success);
  border: 1px solid rgba(5, 150, 105, 0.3);
}

.form-alert.alert-error {
  background-color: var(--color-warning-subtle);
  color: var(--color-danger);
  border: 1px solid rgba(220, 38, 38, 0.3);
}

/* --------------------------------------------------------------------------
   13. Leadership Profiles
   -------------------------------------------------------------------------- */
.bio-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.bio-card-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: var(--space-6);
}

.bio-card-header h3 {
  color: var(--color-white);
  font-size: var(--text-2xl);
  margin-block-end: var(--space-1);
}

.bio-role {
  color: var(--color-slate-200);
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bio-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex-grow: 1;
}

.bio-meta-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.bio-meta-list strong {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   14. Blog / Thought Leadership Cards
   -------------------------------------------------------------------------- */
.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-slate-200);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.blog-img-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: var(--color-slate-100);
}

.blog-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.blog-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-date {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: var(--space-2);
}

.blog-title {
  font-size: var(--text-lg);
  color: var(--color-slate-900);
  margin-block-end: var(--space-3);
  line-height: 1.35;
}

.blog-snippet {
  font-size: var(--text-sm);
  color: var(--color-slate-600);
  margin-block-end: var(--space-4);
  flex-grow: 1;
}

/* --------------------------------------------------------------------------
   15. Multi-Column Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-slate-900);
  color: var(--color-slate-300);
  padding-block-start: var(--space-16);
  padding-block-end: var(--space-8);
  margin-top: auto;
  border-block-start: 4px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-block-end: var(--space-12);
}

@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 1.2fr;
  }
}

.footer-col-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-block-end: var(--space-4);
  position: relative;
  padding-block-end: var(--space-2);
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  width: 36px;
  height: 2px;
  background-color: var(--color-accent);
}

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

.footer-links a {
  color: var(--color-slate-300);
  font-size: var(--text-sm);
  transition: color var(--transition-fast), padding var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-white);
  text-decoration: none;
  padding-inline-start: var(--space-1);
}

.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: 0;
}

.footer-contact-list a {
  color: var(--color-slate-300);
}

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

.footer-social-links {
  display: flex;
  gap: var(--space-3);
  margin-block-start: var(--space-4);
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Footer Bottom Strip */
.footer-bottom {
  border-block-start: 1px solid rgba(255, 255, 255, 0.1);
  padding-block-start: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-slate-400);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: start;
  }
}

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

.footer-bottom-links a {
  color: var(--color-slate-400);
}

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

/* --------------------------------------------------------------------------
   16. Back-to-Top Button (Fixed Bottom-Right, >= 48px)
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  inset-inline-end: var(--space-6);
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-normal);
}

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

.back-to-top:hover {
  background-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.back-to-top:active {
  transform: translateY(0);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
  stroke-width: 2.5;
}

/* --------------------------------------------------------------------------
   17. Accessible Modal / Dialog
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.modal-dialog {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
  padding: var(--space-8);
  position: relative;
}

.modal-overlay.is-active .modal-dialog {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  inset-inline-end: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-slate-100);
  border: none;
  border-radius: var(--radius-full);
  font-size: 1.25rem;
  color: var(--color-slate-700);
  cursor: pointer;
}

.modal-close:hover {
  background: var(--color-slate-200);
  color: var(--color-slate-900);
}

/* --------------------------------------------------------------------------
   18. Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .site-header,
  .top-bar,
  .back-to-top,
  .btn,
  .footer-bottom {
    display: none !important;
  }

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

  .section {
    padding-block: 1rem;
  }
}