:root {
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-text-main: #334155;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-error: #ef4444;
  --color-success: #10b981;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  --shadow-soft: 0 4px 6px -1px rgba(99, 102, 241, 0.05), 0 2px 4px -1px rgba(99, 102, 241, 0.03);
  --shadow-hover: 0 10px 15px -3px rgba(99, 102, 241, 0.1), 0 4px 6px -2px rgba(99, 102, 241, 0.05);
  
  --space-4: 4px;
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-40: 40px;
  --space-64: 64px;
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden; /* Avoid horizontal scroll on body, but not for layout masking of elements */
}

/* Accessibility & Interaction Defaults */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Global Wrapping Constraints */
h1, h2, h3, h4, h5, h6, .brand-name, nav, .overflow-wrap-text {
  overflow-wrap: anywhere;
}

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

ul {
  list-style: none;
}

/* Typography Spacing */
h1, h2, h3, h4 {
  color: #1e293b;
  margin-bottom: var(--space-16);
  line-height: 1.2;
}

p, ul {
  margin-bottom: var(--space-24);
}

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

/* Header */
.site-header {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: 64px;
  display: flex;
  align-items: center;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-24);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text-main);
  text-decoration: none;
  min-width: 0; 
}

.brand-area:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-8);
  color: var(--color-text-main);
}

.nav-menu {
  display: flex;
  gap: var(--space-24);
  align-items: center;
}

.nav-menu a {
  color: var(--color-text-main);
  font-weight: 500;
}

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

.header-cta {
  background-color: var(--color-primary);
  color: #ffffff !important;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.header-cta:hover {
  background-color: var(--color-primary-hover);
}

/* Main Layout Elements */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-40) var(--space-24);
}

section {
  margin-bottom: var(--space-64);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-40);
  font-size: 2rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: var(--space-64) var(--space-24);
  background: linear-gradient(135deg, var(--color-surface) 0%, #e0e7ff 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-64);
  box-shadow: var(--shadow-soft);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: var(--space-24);
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-40);
}

/* Horizontal Split Cards */
.card-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-40);
}

.card {
  display: flex;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-width: 0;
}

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

.card-media {
  flex: 0 0 40%;
  min-width: 0;
  background: var(--color-border);
}

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

.card-content {
  flex: 1;
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.card-meta {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-8);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-16);
}

.card-title a {
  color: var(--color-text-main);
}

.card-title a:hover {
  color: var(--color-primary);
}

.card-desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-24);
}

.card-cta {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: auto;
}

.card-cta::after {
  content: "→";
  margin-left: var(--space-8);
  transition: transform 0.2s ease;
}

.card:hover .card-cta::after {
  transform: translateX(4px);
}

/* Article Layout */
.article-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-64);
}

.article-hero-img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-64);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.125rem;
}

.article-content h2 {
  margin-top: var(--space-40);
  margin-bottom: var(--space-16);
}

.article-content ul {
  list-style: disc;
  padding-left: var(--space-24);
  margin-bottom: var(--space-24);
}

.article-content li {
  margin-bottom: var(--space-8);
}

/* Support Stats / Data Grid snippet */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-24);
  margin: var(--space-40) 0;
}

.stat-item {
  background: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.stat-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px; /* strict requirement: 12px between stat and label */
}

.stat-label {
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-24);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-8);
}

.form-input, .form-textarea {
  width: 100%;
  padding: var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 1rem;
  background: var(--color-surface);
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input.is-invalid, .form-textarea.is-invalid {
  border-color: var(--color-error);
}

.error-msg {
  display: none;
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--space-4);
}

.is-invalid + .error-msg {
  display: block;
}

.btn {
  display: inline-block;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: var(--space-16) var(--space-24);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s ease;
}

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

/* Static Map Block */
.static-map {
  background: #e2e8f0;
  height: 300px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-40);
  font-style: italic;
  border: 1px dashed #cbd5e1;
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-64) var(--space-24) var(--space-24);
  margin-top: var(--space-64);
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-40);
  margin-bottom: var(--space-40);
}

.footer-col h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-16);
}

.footer-col ul li {
  margin-bottom: var(--space-8);
}

.footer-col ul a {
  color: var(--color-text-muted);
}

.footer-col ul a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-border);
  padding: var(--space-24);
  box-shadow: 0 -10px 15px -3px rgba(0, 0, 0, 0.05);
  z-index: 9999;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-text {
  flex: 1 1 300px;
  font-size: 0.875rem;
}

.cookie-actions {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.cookie-btn {
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}

.cookie-btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}
.cookie-btn-primary:hover { background-color: var(--color-primary-hover); }

.cookie-btn-secondary {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text-main);
}
.cookie-btn-secondary:hover { background-color: var(--color-bg); }

/* Tables */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-bottom: var(--space-24);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

th, td {
  padding: var(--space-16);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-bg);
  font-weight: 600;
}

/* Responsive Overrides */
@media (max-width: 767px) {
  .site-header {
    height: 52px;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: absolute;
    top: 52px;
    left: 0;
    width: 100%;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-24);
    box-shadow: var(--shadow-soft);
    gap: var(--space-16);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 100;
  }
  
  .nav-menu.is-visible {
    transform: translateY(0);
  }

  .header-cta {
    margin-top: var(--space-8);
    width: 100%;
    text-align: center;
  }

  .card {
    flex-direction: column;
  }

  .card-media {
    flex: 0 0 200px;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

@media (max-width: 399px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: var(--space-24) var(--space-16);
  }
  
  .cookie-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .cookie-btn {
    width: 100%;
    text-align: center;
  }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}