:root {
  /* Color System */
  --primary-blue: #1769E8;
  --dark-blue: #09295C;
  --deep-ink: #071A3A;
  --light-blue-borders: #A9D4FF;
  --background: #EEF5FF;
  --surface: #FFFFFF;
  --muted-text: #53657D;
  --grid-lines: #CFE5FF;
  
  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, "Liberation Mono", Menlo, monospace;
  
  /* Spacing & Layout */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --max-width: 1200px;
  --border-radius: 4px;
  --border-thin: 1px solid var(--light-blue-borders);
  --border-grid: 1px solid var(--grid-lines);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--background);
  color: var(--dark-blue);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--deep-ink);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--space-sm);
  color: var(--muted-text);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--deep-ink);
}

/* Layout Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
  border-bottom: var(--border-grid);
}

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

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

/* Header & Nav */
.site-header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(169, 212, 255, 0.3);
  box-shadow: 0 4px 24px rgba(7, 26, 58, 0.04);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  transition: opacity 0.2s ease;
  text-decoration: none;
}

.brand-logo:hover {
  opacity: 0.85;
}

.header-logo {
  height: 48px;
  width: auto;
  display: block;
}

.footer-logo {
  height: 40px;
  width: auto;
  display: block;
}

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

.nav-links a {
  color: var(--dark-blue);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--primary-blue);
}

/* Header Dropdown */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--surface);
  border: var(--border-thin);
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(7, 26, 58, 0.1);
  min-width: 220px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 1001;
  padding: 0.5rem 0;
  margin-top: 1.5rem;
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -1.5rem;
  left: 0;
  right: 0;
  height: 1.5rem;
}

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

.dropdown-menu a {
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark-blue);
  width: 100%;
  display: block;
}

.dropdown-menu a:hover {
  background-color: var(--background);
  color: var(--primary-blue);
}

.btn {
  display: inline-block;
  background-color: var(--primary-blue);
  color: var(--surface) !important;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  border: 1px solid var(--primary-blue);
  cursor: pointer;
  text-align: center;
}

.btn:hover {
  background-color: var(--dark-blue);
  border-color: var(--dark-blue);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-blue) !important;
  border: 1px solid var(--primary-blue);
}

.btn-outline:hover {
  background-color: var(--primary-blue);
  color: var(--surface) !important;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--dark-blue);
  cursor: pointer;
  padding: 0.25rem;
}

/* Hero Section */
.hero {
  padding: var(--space-xl) 0;
  background-color: var(--background);
  background-image: 
    linear-gradient(var(--grid-lines) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-lines) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero-content {
  max-width: 800px;
  background-color: var(--surface);
  padding: var(--space-lg);
  border: var(--border-thin);
  box-shadow: 0 10px 30px rgba(7, 26, 58, 0.05);
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero p.lead {
  font-size: 1.25rem;
  color: var(--dark-blue);
  margin-bottom: var(--space-md);
}

/* Dashboard Cards (Quiet Intelligence Grid) */
.card {
  background-color: var(--surface);
  border: var(--border-thin);
  padding: var(--space-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(23, 105, 232, 0.1);
  border-color: var(--primary-blue);
  background-color: var(--background);
}

.card-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--grid-lines);
  padding-bottom: var(--space-xs);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--deep-ink);
}

/* Card Content Improvements */
.check-list {
  list-style: none;
  margin-bottom: var(--space-sm);
  margin-top: 0;
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.25rem;
  color: var(--muted-text);
  font-size: 0.95rem;
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-blue);
  font-weight: 700;
}

.card-inputs {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.card-note {
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--grid-lines);
  font-size: 0.95rem;
}

.card-note strong, .card-inputs strong {
  color: var(--dark-blue);
  font-weight: 600;
}

.card-help-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark-blue);
  margin-bottom: 0.25rem;
}

/* Service Finder */
.service-finder-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--light-blue-borders);
  border: var(--border-thin);
}

.pathway-box {
  background-color: var(--surface);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.pathway-box:hover {
  background-color: var(--background);
}

.pathway-box h4 {
  color: var(--primary-blue);
  font-size: 1.1rem;
}

.pathway-box span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted-text);
  margin-top: var(--space-md);
  display: block;
}

/* Data Maturity Map */
.maturity-map {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.maturity-stage {
  display: flex;
  align-items: center;
  background-color: var(--surface);
  border: var(--border-thin);
  padding: var(--space-sm) var(--space-md);
}

.stage-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--primary-blue);
  font-weight: 700;
  width: 50px;
}

.stage-desc {
  font-weight: 500;
  color: var(--dark-blue);
}

/* Architecture / Workflow Diagrams */
.workflow-diagram {
  background-color: var(--background);
  border: var(--border-thin);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

.workflow-node {
  background-color: var(--surface);
  border: 1px solid var(--primary-blue);
  padding: var(--space-sm) var(--space-md);
  min-width: 200px;
  text-align: center;
  font-weight: 500;
  color: var(--deep-ink);
}

.workflow-arrow {
  color: var(--primary-blue);
  font-size: 1.5rem;
  line-height: 1;
}

/* Articles Grid */
.article-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.article-item {
  background-color: var(--surface);
  border: var(--border-thin);
  padding: var(--space-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.article-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(23, 105, 232, 0.1);
  border-color: var(--primary-blue);
  background-color: var(--background);
}

.article-item h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  color: var(--deep-ink);
}

.article-item p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-sm);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--dark-blue);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: var(--border-thin);
  border-radius: var(--border-radius);
  font-family: var(--font-main);
  background-color: var(--surface);
  color: var(--deep-ink);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 2px rgba(23, 105, 232, 0.2);
}

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

/* Disclaimers */
.disclaimer-box {
  background-color: var(--surface);
  border-left: 4px solid var(--primary-blue);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  font-size: 0.9rem;
}

.disclaimer-box p {
  margin-bottom: 0;
  color: var(--dark-blue);
}

/* Page Header */
.page-header {
  padding: var(--space-lg) 0;
  background-color: var(--surface);
  border-bottom: var(--border-thin);
}

/* Footer */
.site-footer {
  background-color: var(--deep-ink);
  color: var(--surface);
  padding: var(--space-lg) 0 var(--space-md);
}

.site-footer h4 {
  color: var(--surface);
  margin-bottom: var(--space-sm);
}

.site-footer p {
  color: var(--light-blue-borders);
}

.site-footer address {
  font-style: normal;
  color: var(--light-blue-borders);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  color: var(--light-blue-borders);
}

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

.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(169, 212, 255, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--light-blue-borders);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--surface);
  border-top: var(--border-thin);
  padding: var(--space-md);
  box-shadow: 0 -4px 20px rgba(7, 26, 58, 0.1);
  z-index: 9999;
  display: none;
}

.cookie-banner.show {
  display: block;
}

.cookie-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.cookie-text p {
  margin: 0;
  font-size: 0.9rem;
}

.cookie-actions {
  display: flex;
  gap: var(--space-xs);
}

/* Utilities */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }

/* Responsive */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--surface);
    flex-direction: column;
    padding: var(--space-md);
    border-bottom: var(--border-thin);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    align-items: flex-start;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    background-color: transparent;
    padding: 0;
    margin-top: 0.5rem;
    margin-left: 1rem;
    border-left: 2px solid var(--grid-lines);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: flex;
  }
  
  .dropdown-menu::before {
    display: none;
  }
  
  .dropdown-menu a {
    padding: 0.5rem 1rem;
  }
  
  .service-finder-grid {
    grid-template-columns: 1fr;
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding: var(--space-sm);
  }
}