/* ==========================================================================
   Info Solutions LLC - Production Design System & Global Stylesheet
   Modernized Mobile-First Architecture | WCAG AA Accessible | Zero-Layout Shift
   ========================================================================== */

/* --- Custom Properties / Design Tokens --- */
:root {
  /* Brand Colors - WCAG AA Compliant Ratios */
  --color-primary: #0a2540;        /* Midnight Navy - Primary Brand */
  --color-primary-dark: #06182a;   /* Ultra-Dark Navy for deep contrast */
  --color-primary-light: #163b65;  /* Slate Navy */
  --color-accent: #008276;         /* Refined Brand Teal - Contrast 4.6:1 on white */
  --color-accent-hover: #00685e;   /* Darker Teal for hover state */
  --color-accent-light: #e8f7f5;   /* Subtle Teal tint for badges/accents */
  --color-accent-ring: rgba(0, 130, 118, 0.25);
  --color-secondary: #0284c7;      /* Tech Sky Blue */
  --color-secondary-light: #f0f9ff;
  --color-gold: #b45309;           /* Amber/Gold for awards & accreditation */
  --color-gold-bg: #fef3c7;

  /* Neutral Surface Palette */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;         /* Slate 50 */
  --color-bg-subtle: #f1f5f9;      /* Slate 100 */
  --color-surface-glass: rgba(255, 255, 255, 0.92);
  --color-surface-dark: #0a2540;
  --color-surface-card: #ffffff;

  /* Text Colors */
  --color-text-title: #0f172a;     /* Slate 900 - Headings */
  --color-text-body: #334155;      /* Slate 700 - Body (Contrast 9.1:1 on white) */
  --color-text-muted: #475569;     /* Slate 600 - Secondary text (Contrast 7:1 on white) */
  --color-text-inverse: #ffffff;
  --color-text-inverse-muted: #cbd5e1;

  /* Borders & Dividers */
  --color-border: #e2e8f0;         /* Slate 200 */
  --color-border-hover: #cbd5e1;   /* Slate 300 */
  --color-border-focus: #008276;

  /* Semantic Feedback */
  --color-success: #15803d;
  --color-success-bg: #f0fdf4;
  --color-warning: #b45309;
  --color-warning-bg: #fffbeb;
  --color-danger: #b91c1c;
  --color-danger-bg: #fef2f2;

  /* Typography Scale (Fluid clamp() for zero layout shift) */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --fs-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);    /* 12-13px */
  --fs-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.9375rem);     /* 14-15px */
  --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);       /* 16-17px */
  --fs-md: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);      /* 18-20px */
  --fs-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);         /* 20-24px */
  --fs-xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);       /* 24-30px */
  --fs-2xl: clamp(1.875rem, 1.6rem + 1.2vw, 2.25rem);       /* 30-36px */
  --fs-3xl: clamp(2.25rem, 1.9rem + 1.6vw, 2.85rem);        /* 36-46px */
  --fs-hero: clamp(2.5rem, 2rem + 2.2vw, 3.5rem);           /* 40-56px */

  --lh-tight: 1.2;
  --lh-snug: 1.35;
  --lh-base: 1.6;
  --lh-relaxed: 1.75;

  /* Spacing Scale */
  --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;
  --space-4xl: 6rem;

  /* Elevation Shadows */
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

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

  /* Layout Containers */
  --container-max: 1240px;
  --header-height: 80px;
}

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

html {
  font-family: var(--font-family);
  font-size: 100%;
  line-height: var(--lh-base);
  color: var(--color-text-body);
  background-color: var(--color-bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  /* Notice: overflow-x: clip ensures horizontal clipping without creating scroll context that disables position: sticky */
  overflow-x: clip;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
  font-size: var(--fs-base);
  color: var(--color-text-body);
  background-color: var(--color-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Media Defaults */
img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-title);
  line-height: var(--lh-tight);
  font-weight: 700;
  overflow-wrap: break-word;
}

h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-2xl); margin-block-end: var(--space-md); }
h3 { font-size: var(--fs-xl); margin-block-end: var(--space-sm); }
h4 { font-size: var(--fs-lg); margin-block-end: var(--space-xs); }
h5 { font-size: var(--fs-md); }
h6 { font-size: var(--fs-base); }

p {
  margin-block-end: var(--space-md);
  line-height: var(--lh-base);
}

p:last-child {
  margin-block-end: 0;
}

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

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* Accessible Focus States */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Accessibility: Skip to main content */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  z-index: 9999;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-sm) var(--space-lg);
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transition: top var(--transition-fast);
}

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

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

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

.main-content {
  flex: 1 0 auto;
}

/* ==========================================================================
   Header & Navigation (Strictly position: sticky direct child of <body>)
   ========================================================================== */

/* Top Utility Emergency / Contact Bar */
.top-utility-bar {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse-muted);
  font-size: var(--fs-xs);
  padding-block: var(--space-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-utility-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-md);
}

.utility-notice {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 500;
}

.utility-notice strong {
  color: #38bdf8; /* Vibrant cyan */
}

.utility-contact-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.utility-link {
  color: var(--color-text-inverse-muted);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  transition: color var(--transition-fast);
}

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

/* Global Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* Brand Logo */
.brand-link {
  display: flex;
  align-items: center;
  padding-block: var(--space-xs);
  text-decoration: none;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

@media (min-width: 768px) {
  .brand-logo-img {
    height: 54px;
  }
}

/* Desktop Navigation */
.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-xs);
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
}

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

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-title);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  min-height: 44px;
}

.nav-link:hover {
  color: var(--color-accent);
  background-color: var(--color-accent-light);
}

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

.nav-dropdown-trigger svg {
  transition: transform var(--transition-fast);
}

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

/* Dropdown / Mega Menu */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-xs);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
  z-index: 100;
}

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

.dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  color: var(--color-text-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  min-height: 44px;
}

.dropdown-link:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-accent);
}

.dropdown-link.active {
  color: var(--color-accent);
  font-weight: 600;
  background-color: var(--color-accent-light);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-btn {
  display: none;
}

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

/* Mobile Hamburger Button */
.mobile-toggle-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-title);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.mobile-toggle-btn:hover {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-toggle-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-toggle-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  visibility: hidden;
  opacity: 0;
  transition: visibility var(--transition-smooth), opacity var(--transition-smooth);
}

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

.mobile-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 37, 64, 0.65);
  backdrop-filter: blur(4px);
}

.mobile-drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: min(85vw, 380px);
  height: 100%;
  background-color: var(--color-bg);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  overflow-y: auto;
  padding: var(--space-xl) var(--space-lg);
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.mobile-drawer-close {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-title);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.mobile-drawer-close:hover {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

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

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text-title);
  border-radius: var(--radius-md);
  min-height: 48px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.mobile-sub-list {
  padding-left: var(--space-md);
  margin-block: var(--space-xs);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.mobile-sub-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-sm);
  color: var(--color-text-body);
  border-radius: var(--radius-sm);
  min-height: 44px;
}

.mobile-sub-link:hover,
.mobile-sub-link.active {
  color: var(--color-accent);
  background-color: var(--color-bg-subtle);
}

.mobile-drawer-footer {
  margin-top: auto;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  min-height: 48px;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-align: center;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  box-shadow: 0 2px 4px rgba(0, 130, 118, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 10px rgba(0, 130, 118, 0.3);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--color-bg-subtle);
  border-color: var(--color-border-hover);
  color: var(--color-accent);
}

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

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

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: var(--fs-base);
}

.btn-block {
  width: 100%;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge-teal {
  background-color: var(--color-accent-light);
  color: var(--color-accent-hover);
}

.badge-gold {
  background-color: var(--color-gold-bg);
  color: var(--color-gold);
}

.badge-blue {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
}

/* ==========================================================================
   Hero Banners
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, #0f3964 100%);
  color: var(--color-text-inverse);
  padding-block: clamp(3rem, 5vw, 5.5rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.hero-overlay-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 820px;
}

.hero-tag {
  margin-bottom: var(--space-md);
}

.hero-title {
  color: var(--color-text-inverse);
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: var(--lh-tight);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  color: #e2e8f0;
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-xl);
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

/* Quick Metrics / Authority Indicators */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: #38bdf8;
}

.stat-label {
  font-size: var(--fs-xs);
  color: #cbd5e1;
  font-weight: 500;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
  padding-block: var(--space-sm);
  background-color: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-xs);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
  color: var(--color-text-muted);
}

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

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

.breadcrumb-separator {
  color: var(--color-border-hover);
}

.breadcrumb-item.current {
  color: var(--color-text-title);
  font-weight: 600;
}

/* ==========================================================================
   Section Components & Cards
   ========================================================================== */
.section {
  padding-block: clamp(3rem, 6vw, 5rem);
}

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

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

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

.section-dark p {
  color: #cbd5e1;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-header-left {
  text-align: left;
  margin-inline: 0;
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-description {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

/* ==========================================================================
   Regional Office Directory Cards (Contact Us Focus)
   ========================================================================== */
.regional-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

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

@media (min-width: 1024px) {
  .regional-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

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

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

.regional-card-img-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background-color: var(--color-bg-subtle);
}

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

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

.regional-card-body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  text-align: center;
}

.regional-title {
  font-size: var(--fs-md);
  font-weight: 700;
  margin-bottom: var(--space-2xs);
  color: var(--color-text-title);
}

.regional-phone {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  min-height: 44px;
}

.regional-phone:hover {
  color: var(--color-accent-hover);
  background-color: var(--color-accent-light);
}

/* ==========================================================================
   Contact Layout: Form & HQ Office (Contact Us Focus)
   ========================================================================== */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 900px) {
  .contact-layout-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}

/* Headquarters Info Box */
.hq-info-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.hq-badge {
  margin-bottom: var(--space-md);
}

.hq-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-md);
}

.hq-address-block {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.hq-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.hq-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hq-detail-content h3 {
  font-size: var(--fs-base);
  margin-bottom: 4px;
  color: var(--color-text-title);
}

.hq-detail-content p {
  color: var(--color-text-body);
  font-size: var(--fs-sm);
}

.hq-detail-content a {
  color: var(--color-accent);
  font-weight: 600;
  word-break: break-all;
}

.hq-detail-content a:hover {
  text-decoration: underline;
}

/* Social Media Grid in Contact */
.social-links-wrap {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.social-links-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: var(--space-sm);
}

.social-buttons {
  display: flex;
  gap: var(--space-sm);
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text-title);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

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

/* Interactive Contact Form Box */
.contact-form-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.contact-form-header {
  margin-bottom: var(--space-lg);
}

.contact-form-header h2 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-xs);
}

.contact-form-header p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

/* Form Styles */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

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

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

.form-group.col-full {
  grid-column: 1 / -1;
}

/* Permanent Visible Accessible Labels */
.form-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-title);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-required-star {
  color: var(--color-danger);
  font-weight: 700;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--fs-base);
  color: var(--color-text-title);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
  line-height: var(--lh-base);
}

.form-control:hover {
  border-color: var(--color-border-hover);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-ring);
}

.form-control.is-invalid {
  border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.2);
}

.form-hint {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.form-error-feedback {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  display: none;
}

.form-control.is-invalid ~ .form-error-feedback {
  display: block;
}

/* Form Alert Banner */
.form-status-alert {
  display: none;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: var(--fs-sm);
  line-height: var(--lh-snug);
}

.form-status-alert.is-success {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(21, 128, 61, 0.2);
}

.form-status-alert.is-error {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(185, 28, 28, 0.2);
}

/* Security & Privacy Disclaimer */
.form-privacy-note {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: var(--lh-snug);
  margin-top: var(--space-xs);
}

/* ==========================================================================
   Services & Solutions Competency Matrix
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

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

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

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

.service-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  padding: 10px;
}

.service-icon-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.service-card-title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-xs);
}

.service-card-desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-base);
  flex-grow: 1;
  margin-bottom: var(--space-md);
}

.service-card-link {
  font-size: var(--fs-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-card-link svg {
  transition: transform var(--transition-fast);
}

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

/* ==========================================================================
   Public Sector Authorization & Vendor Ecosystem
   ========================================================================== */
.auth-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

.auth-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.auth-logo-wrap {
  width: 90px;
  flex-shrink: 0;
}

.auth-logo {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.auth-card-body h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2xs);
}

.auth-card-body p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

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

@media (min-width: 600px) {
  .partner-logo-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 992px) {
  .partner-logo-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.partner-logo-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 84px;
  transition: all var(--transition-fast);
}

.partner-logo-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.partner-img {
  max-width: 120px;
  max-height: 48px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.8;
  transition: all var(--transition-fast);
}

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

/* ==========================================================================
   Case Studies & Testimonials
   ========================================================================== */
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

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

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

.case-img-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-primary);
}

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

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

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

.case-category {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.case-title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.case-desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  flex-grow: 1;
  margin-bottom: var(--space-md);
}

.case-meta {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-title);
  font-weight: 600;
}

/* Testimonial Quote Box */
.quote-card {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-subtle) 100%);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.quote-text {
  font-size: var(--fs-md);
  font-style: italic;
  line-height: var(--lh-relaxed);
  color: var(--color-text-title);
  margin-bottom: var(--space-md);
}

.quote-author {
  display: flex;
  flex-direction: column;
}

.quote-name {
  font-weight: 700;
  font-size: var(--fs-base);
  color: var(--color-primary);
}

.quote-role {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Leadership & Team Roster
   ========================================================================== */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

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

.team-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

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

.team-name {
  font-size: var(--fs-lg);
  margin-bottom: 2px;
}

.team-role {
  font-size: var(--fs-sm);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.team-bio {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-base);
}

/* ==========================================================================
   FAQ / AEO & GEO Structured Accordion
   ========================================================================== */
.faq-wrap {
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-text-title);
  text-align: left;
  background-color: var(--color-bg-card);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  min-height: 52px;
}

.faq-question:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-accent);
}

.faq-question svg {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.is-open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: var(--fs-sm);
  color: var(--color-text-body);
  line-height: var(--lh-relaxed);
  border-top: 1px solid transparent;
}

.faq-item.is-open .faq-answer {
  display: block;
  border-top-color: var(--color-border);
  padding-top: var(--space-md);
}

/* ==========================================================================
   Global Comprehensive Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  font-size: var(--fs-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
}

/* Pre-footer Emergency Support Banner */
.pre-footer-cta {
  background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
  color: var(--color-text-inverse);
  padding-block: var(--space-xl);
  text-align: center;
}

.pre-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

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

.pre-footer-title {
  color: var(--color-text-inverse);
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: 4px;
}

.pre-footer-text {
  color: #e0f2fe;
  font-size: var(--fs-sm);
  margin: 0;
}

/* Main Footer Columns */
.footer-main {
  padding-block: clamp(3rem, 5vw, 4.5rem);
}

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

@media (min-width: 600px) {
  .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-brand p {
  color: #94a3b8;
  font-size: var(--fs-sm);
  margin-block: var(--space-md);
  line-height: var(--lh-base);
}

.footer-logo-img {
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  background: #ffffff;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.footer-address {
  font-style: normal;
  color: #94a3b8;
  font-size: var(--fs-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.footer-address a {
  color: #38bdf8;
}

.footer-heading {
  color: var(--color-text-inverse);
  font-size: var(--fs-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-xs);
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--color-accent);
}

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

.footer-link {
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast), transform var(--transition-fast);
  min-height: 32px;
}

.footer-link:hover {
  color: var(--color-text-inverse);
  transform: translateX(3px);
}

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

.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  text-align: center;
}

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

.footer-legal-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-legal-links a {
  color: #94a3b8;
}

.footer-legal-links a:hover {
  color: var(--color-text-inverse);
}

/* ==========================================================================
   Back-To-Top Button (Fixed Bottom-Right, >= 48px)
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background-color var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.back-to-top:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .site-header,
  .top-utility-bar,
  .mobile-toggle-btn,
  .mobile-drawer,
  .back-to-top,
  .pre-footer-cta {
    display: none !important;
  }

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

  .container {
    max-width: 100%;
    padding: 0;
  }

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