/* ==========================================================================
   U9 TECHNOLOGY — CORE DESIGN SYSTEM & STYLESHEET
   Principal Palette: Warm Cream (#F6F4EF), Navy (#0A1F35), Cobalt Blue (#2745C4)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Root Variables & Tokens
   -------------------------------------------------------------------------- */
:root {
  --color-cream: #F6F4EF;
  --color-navy: #0A1F35;
  --color-navy-light: #153254;
  --color-cobalt: #2745C4;
  --color-cobalt-hover: #1E3A8A;
  --color-cobalt-light: rgba(39, 69, 196, 0.1);
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1E293B;

  --font-heading: 'Sora', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --border-radius-sm: 2px;
  --border-radius-md: 4px;
  --border-radius-lg: 8px;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 6rem;

  --container-max-width: 1280px;
  --header-height: 90px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-cream);
  color: var(--color-navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

main {
  min-height: calc(100vh - var(--header-height) - 300px);
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  letter-spacing: -0.01em;
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--color-gray-700);
  margin-bottom: 1.25rem;
}

.text-highlight {
  color: var(--color-cobalt);
}

.text-muted {
  color: var(--color-gray-600);
}

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

.w-full {
  width: 100%;
}

/* --------------------------------------------------------------------------
   4. Layout Containers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--spacing-md);
  padding-left: var(--spacing-md);
}

.section {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-gray-200);
}

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

.section-dark {
  background-color: var(--color-navy);
  color: var(--color-white);
  border-bottom: none;
}

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

.section-dark p {
  color: var(--color-gray-300);
}

.section-header {
  max-width: 680px;
  margin-bottom: var(--spacing-lg);
}

.section-header.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-subtitle {
  text-transform: uppercase;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-cobalt);
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}

.section-dark .section-subtitle {
  color: var(--color-white);
  opacity: 0.8;
}

/* Divider line inspired by architecture prints */
.technical-divider {
  height: 1px;
  background-color: var(--color-gray-200);
  width: 100%;
  position: relative;
}

.technical-divider::after {
  content: '';
  position: absolute;
  top: -3px;
  left: 10%;
  width: 6px;
  height: 6px;
  background-color: var(--color-cobalt);
  border-radius: 50%;
}

/* --------------------------------------------------------------------------
   5. Buttons & Links
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  text-align: center;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-cobalt-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(39, 69, 196, 0.2);
}

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

.btn-secondary:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-1px);
}

.section-dark .btn-secondary {
  color: var(--color-white);
  border-color: var(--color-white);
}

.section-dark .btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
}

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

.btn-white:hover {
  background-color: var(--color-cream);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.text-link {
  color: var(--color-cobalt);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

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

.text-link::after {
  content: ' →';
  transition: transform var(--transition-fast);
}

.text-link:hover::after {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   6. Global Navigation Header
   -------------------------------------------------------------------------- */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-normal);
}

.main-header.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  height: 75px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: height var(--transition-normal);
}

.scrolled .logo-img {
  height: 42px;
}

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

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

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-navy);
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-link:hover {
  color: var(--color-cobalt);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-cobalt);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

/* Dropdown Menu styling */
.nav-dropdown-wrapper {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-toggle .arrow {
  font-size: 0.75rem;
  transition: transform var(--transition-fast);
}

.nav-dropdown-wrapper:hover .dropdown-toggle .arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 260px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 0;
  border-radius: var(--border-radius-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1001;
}

.nav-dropdown-wrapper:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.6rem var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-navy);
  transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
  background-color: var(--color-gray-50);
  color: var(--color-cobalt);
  padding-left: calc(var(--spacing-md) + 4px);
}

/* Hamburger menu toggle */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  border: none;
  background: none;
  z-index: 1002;
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-navy);
  transition: all var(--transition-normal);
}

/* Mobile nav drawer styles */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  z-index: 1010;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
}

.mobile-nav-drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-gray-100);
}

.drawer-close {
  font-size: 1.75rem;
  font-weight: 300;
  color: var(--color-navy);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  height: calc(100% - 70px);
  justify-content: space-between;
}

.mobile-nav-list > li {
  margin-bottom: 1.25rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-navy);
  display: block;
}

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

.mobile-submenu-toggle {
  padding: 0.5rem;
  font-size: 1.1rem;
  font-weight: bold;
}

.mobile-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding-left: var(--spacing-sm);
  border-left: 2px solid var(--color-gray-100);
  margin-top: 0.5rem;
}

.mobile-submenu.open {
  max-height: 350px;
}

.mobile-submenu li {
  margin-bottom: 0.75rem;
}

.mobile-submenu li a {
  font-size: 0.95rem;
  color: var(--color-gray-700);
  display: block;
}

.drawer-cta-wrapper {
  margin-top: auto;
  padding-top: var(--spacing-md);
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(10, 31, 53, 0.4);
  backdrop-filter: blur(2px);
  z-index: 1005;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

@media (min-width: 1024px) {
  .desktop-nav {
    display: block;
  }
  .header-cta-wrapper {
    display: block;
  }
  .mobile-nav-toggle {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   7. Hero Layout
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-tagline {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.03em;
}

.hero-subtext {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-lg);
  border-left: 3px solid var(--color-cobalt);
  padding-left: var(--spacing-sm);
}

.hero-visual-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* Technical isometric frame simulating infrastructure */
.hero-blueprint-frame {
  width: 100%;
  max-width: 550px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero-blueprint-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-cobalt);
}

.blueprint-img {
  width: 100%;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-navy);
  object-fit: cover;
}

@media (min-width: 1024px) {
  .hero-section {
    padding-top: var(--spacing-xxl);
    padding-bottom: var(--spacing-xxl);
  }
  .hero-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
  }
}

/* --------------------------------------------------------------------------
   8. Layout Grids (Pillars, Services, Industries, Case Studies)
   -------------------------------------------------------------------------- */
/* Four Value Pillars on Homepage */
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

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

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

.pillar-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.card-icon-box {
  width: 48px;
  height: 48px;
  background-color: var(--color-cobalt-light);
  color: var(--color-cobalt);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-sm);
  font-weight: bold;
}

.pillar-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

.pillar-desc {
  font-size: 0.925rem;
  color: var(--color-gray-600);
  margin-bottom: 0;
}

/* Services and Industries Grids */
.services-grid, .industries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

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

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .industries-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.service-card, .industry-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card:hover, .industry-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-cobalt);
}

.service-card:hover .card-icon-box, 
.industry-card:hover .card-icon-box,
.pillar-card:hover .card-icon-box {
  background-color: var(--color-cobalt);
  color: var(--color-white);
}

.service-card-body, .industry-card-body {
  margin-bottom: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   9. Business Promise Band (Dark Full Width CTA)
   -------------------------------------------------------------------------- */
.promise-band {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  border-top: 4px solid var(--color-cobalt);
}

.promise-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.promise-text-wrapper {
  max-width: 800px;
}

.promise-headline {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 0.5rem;
  color: var(--color-white);
}

.promise-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .promise-container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .promise-text-wrapper {
    margin-bottom: 0;
  }
}

/* --------------------------------------------------------------------------
   10. Case Studies (Work) Layout
   -------------------------------------------------------------------------- */
.filter-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.filter-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  background-color: var(--color-white);
  color: var(--color-navy);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--color-cobalt);
  color: var(--color-white);
  border-color: var(--color-cobalt);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

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

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

.case-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.case-img-box {
  height: 200px;
  background-color: var(--color-navy);
  position: relative;
  overflow: hidden;
}

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

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

.case-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.case-meta {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-cobalt);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.case-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.case-details-list {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px dashed var(--color-gray-200);
}

.case-details-list li {
  margin-bottom: 0.25rem;
}

/* --------------------------------------------------------------------------
   11. Trusted By (Clients Logo Strip) & Testimonials
   -------------------------------------------------------------------------- */
.logo-wall-wrapper {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing-md) 0;
}

.logo-wall-title {
  text-align: center;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-md);
}

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
}

.logo-item {
  height: 35px;
  opacity: 0.65;
  filter: grayscale(100%);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: bold;
  color: var(--color-navy);
  font-size: 1.15rem;
  border: 1px dashed var(--color-gray-300);
  padding: 0 0.75rem;
}

.logo-item:hover {
  opacity: 1;
  filter: grayscale(0%);
  border-color: var(--color-cobalt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

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

.testimonial-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  position: relative;
}

.testimonial-quote {
  font-style: italic;
  font-size: 1rem;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.testimonial-quote::before {
  content: '“';
  font-size: 2rem;
  line-height: 0;
  color: var(--color-cobalt-light);
  display: inline-block;
  vertical-align: sub;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.author-info h4 {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.author-info p {
  margin-bottom: 0;
  font-size: 0.8rem;
}

/* Proof bar with metrics */
.proof-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  text-align: center;
  padding: var(--spacing-lg) 0;
}

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

.proof-item {
  border-right: 1px solid var(--color-gray-200);
}

.proof-item:last-child {
  border-right: none;
}

.proof-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-cobalt);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.proof-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-700);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   12. Contact Page and Form Layout
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
  }
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-card-info {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.info-icon-box {
  width: 40px;
  height: 40px;
  background-color: var(--color-cobalt-light);
  color: var(--color-cobalt);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
}

.info-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.info-content p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Form Styling */
.form-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-navy);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-cobalt);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(39, 69, 196, 0.15);
}

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

/* Success Message Box */
.form-response-box {
  display: none;
  background-color: #DEF7EC;
  border: 1px solid #31C48D;
  color: #03543F;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   13. Global Footer Section
   -------------------------------------------------------------------------- */
.main-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding-top: var(--spacing-xl);
  border-top: 5px solid var(--color-cobalt);
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md) var(--spacing-xl) var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .footer-container {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.footer-brand-section {
  max-width: 320px;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--spacing-sm);
  background-color: var(--color-white);
  padding: 4px;
  border-radius: var(--border-radius-sm);
}

.footer-tagline {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.footer-positioning {
  font-size: 0.8rem;
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-md);
}

.footer-contact-info p {
  font-size: 0.85rem;
  color: var(--color-gray-300);
  margin-bottom: 0.5rem;
}

.footer-contact-info a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-heading {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-cobalt);
  padding-bottom: 0.5rem;
  display: inline-block;
}

.footer-links-list li {
  margin-bottom: 0.6rem;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: var(--color-gray-300);
  transition: all var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.social-links li {
  display: inline-block;
  margin-right: var(--spacing-sm);
}

.footer-cta-box {
  background-color: var(--color-navy-light);
  border-left: 3px solid var(--color-cobalt);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  margin-top: var(--spacing-md);
}

.footer-cta-box p {
  font-size: 0.8rem;
  color: var(--color-gray-300);
  margin-bottom: 0.5rem;
}

.footer-cta-box .btn {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  width: 100%;
}

.footer-bottom {
  background-color: #051322;
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-navy-light);
}

.footer-bottom-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.copyright-text {
  font-size: 0.8rem;
  color: var(--color-gray-300);
  margin-bottom: 0;
}

.footer-legal-links {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-legal-links a {
  font-size: 0.8rem;
  color: var(--color-gray-300);
}

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

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

/* --------------------------------------------------------------------------
   14. Subpage Header & Content Styles
   -------------------------------------------------------------------------- */
.subpage-hero {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.subpage-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(var(--color-navy-light) 1px, transparent 0);
  background-size: 24px 24px;
  opacity: 0.4;
}

.subpage-hero-container {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.subpage-hero h1 {
  margin-bottom: 0.5rem;
}

.subpage-hero p {
  font-size: 1.15rem;
  margin-bottom: 0;
}

.two-col-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
  .two-col-layout {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
  }
}

.bullet-list {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-sm);
}

.bullet-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.975rem;
  color: var(--color-gray-700);
}

.bullet-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-cobalt);
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   15. Visual Refinements, Animations & Interactions
   -------------------------------------------------------------------------- */

/* Logo Text styling */
.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--color-navy);
  line-height: 1;
  transition: all var(--transition-normal);
}

.scrolled .logo-text {
  font-size: 1.2rem;
}

.footer-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--spacing-sm);
}

.footer-logo-link .logo-text {
  color: var(--color-white);
  font-size: 1.35rem;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  margin-bottom: 0 !important;
  background-color: var(--color-white);
  padding: 4px;
  border-radius: var(--border-radius-sm);
}

/* Faint Drifting Dot/Particle Grid in Hero Background */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-bg-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  pointer-events: none;
  background-image: radial-gradient(var(--color-cobalt-light) 1.5px, transparent 1.5px);
  background-size: 40px 40px;
  opacity: 0.12;
  animation: drift 60s linear infinite;
  z-index: 0;
}

@keyframes drift {
  0% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-30px, -30px);
  }
  100% {
    transform: translate(0, 0);
  }
}

/* Blueprint SVG Live Flow Animation */
.blueprint-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.4;
  z-index: 2;
}

.pulse-line {
  fill: none;
  stroke: var(--color-cobalt);
  stroke-width: 1.5;
  stroke-linecap: round;
  opacity: 0.15;
}

.pulse-line-active {
  fill: none;
  stroke: #4D76FF;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 20 120;
  animation: data-flow 8s linear infinite;
}

@keyframes data-flow {
  0% {
    stroke-dashoffset: 140;
  }
  100% {
    stroke-dashoffset: -140;
  }
}

/* Scroll-triggered reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Extra transition for card-icon-box */
.card-icon-box {
  transition: all var(--transition-normal);
}