:root {
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-12: 12px;
  --sp-16: 16px;
  --sp-24: 24px;
  --sp-40: 40px;
  --sp-64: 64px;
  
  --bg-color: #f4f6f8;
  --surface-color: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.75);
  
  --text-main: #475569;
  --text-heading: #0f172a;
  --text-light: #64748b;
  
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --accent-text: #ffffff;
  
  --border-radius-sm: 8px;
  --border-radius: 16px;
  --border-radius-lg: 24px;
  
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-glass: 0 4px 30px rgba(0,0,0,0.1);
  
  --transition: 0.3s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  min-width: 0;
}

html {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  background-color: var(--bg-color);
  color: var(--text-main);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6, .brand {
  color: var(--text-heading);
  margin-top: 0;
  margin-bottom: var(--sp-16);
  font-weight: 700;
  overflow-wrap: anywhere;
}

h1 { font-size: 2.5rem; line-height: 1.2; letter-spacing: -0.02em; }
h2 { font-size: 2rem; line-height: 1.3; }
h3 { font-size: 1.5rem; }

p { margin-top: 0; margin-bottom: var(--sp-16); }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
  overflow-wrap: anywhere;
}

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

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-24);
}

.content-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--sp-64) var(--sp-24);
}

/* Header */
.site-header {
  background-color: var(--surface-color);
  height: 64px;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  font-weight: 700;
  color: var(--text-heading);
  font-size: 1.25rem;
}

.brand-link svg {
  width: 24px;
  height: 24px;
  fill: var(--accent);
}

.main-nav {
  display: flex;
  gap: var(--sp-24);
}

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

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

.header-cta {
  background-color: var(--accent);
  color: var(--accent-text);
  padding: var(--sp-8) var(--sp-16);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
}
.header-cta:hover {
  background-color: var(--accent-hover);
  color: var(--accent-text);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-8);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  fill: var(--text-heading);
}

/* Hero Section */
.hero {
  padding: var(--sp-64) 0;
  text-align: center;
  background: linear-gradient(135deg, #e0e7ff 0%, #f4f6f8 100%);
  border-bottom-left-radius: var(--border-radius-lg);
  border-bottom-right-radius: var(--border-radius-lg);
  margin-bottom: var(--sp-64);
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto var(--sp-24);
}

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

/* Glass Overlay Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--sp-40);
  margin-bottom: var(--sp-64);
}

.glass-card {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  height: 400px;
  box-shadow: var(--shadow-md);
  display: block;
}

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

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

.glass-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--sp-24);
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.4);
  transition: background var(--transition);
}

.glass-card:hover .glass-content {
  background: rgba(255, 255, 255, 0.85);
}

.glass-content h3 {
  margin-bottom: var(--sp-8);
  font-size: 1.25rem;
}

.glass-content p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Section Spacing */
.section-pad {
  padding: var(--sp-64) 0;
}

.supporting-section {
  background-color: var(--surface-color);
  border-radius: var(--border-radius-lg);
  padding: var(--sp-40);
  margin-bottom: var(--sp-64);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-40);
  align-items: center;
}

.supporting-image {
  border-radius: var(--border-radius);
  overflow: hidden;
}

/* Article Content */
.article-header {
  margin-bottom: var(--sp-40);
}
.article-meta {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: var(--sp-24);
}
.article-body h2 {
  margin-top: var(--sp-40);
}
.article-body h3 {
  margin-top: var(--sp-24);
}
.article-body ul {
  margin-bottom: var(--sp-24);
  padding-left: var(--sp-24);
}
.article-body li {
  margin-bottom: var(--sp-8);
}
.stat-block {
  background-color: #e0e7ff;
  padding: var(--sp-24);
  border-radius: var(--border-radius-sm);
  margin: var(--sp-24) 0;
  border-left: 4px solid var(--accent);
}
.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-hover);
  margin-bottom: var(--sp-12);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--sp-24);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
}
table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--surface-color);
  min-width: 600px;
}
th, td {
  padding: var(--sp-16);
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}
th {
  background-color: #f1f5f9;
  font-weight: 600;
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-64);
}

.form-group {
  margin-bottom: var(--sp-24);
}
.form-group label {
  display: block;
  margin-bottom: var(--sp-8);
  font-weight: 600;
}
.form-control {
  width: 100%;
  padding: var(--sp-12) var(--sp-16);
  border: 1px solid #cbd5e1;
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 1rem;
  background-color: var(--surface-color);
  color: var(--text-heading);
  transition: border-color var(--transition);
}
.form-control:focus {
  border-color: var(--accent);
}
.form-control.is-invalid {
  border-color: #ef4444;
}
.error-message {
  display: none;
  color: #ef4444;
  font-size: 0.85rem;
  margin-top: var(--sp-4);
}
.is-invalid + .error-message {
  display: block;
}
.btn {
  background-color: var(--accent);
  color: var(--accent-text);
  border: none;
  padding: var(--sp-12) var(--sp-24);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color var(--transition);
}
.btn:hover {
  background-color: var(--accent-hover);
}
.contact-info {
  background-color: var(--surface-color);
  padding: var(--sp-40);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}
.map-block {
  width: 100%;
  height: 250px;
  background: #e2e8f0;
  border-radius: var(--border-radius-sm);
  margin-top: var(--sp-24);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-weight: 600;
  position: relative;
  overflow: hidden;
}
.map-block::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: repeating-linear-gradient(45deg, #e2e8f0, #e2e8f0 10px, #cbd5e1 10px, #cbd5e1 20px);
  opacity: 0.3;
}

/* Footer */
.site-footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: var(--sp-64) 0 var(--sp-40);
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-40);
  margin-bottom: var(--sp-40);
}
.footer-col h4 {
  color: #ffffff;
  margin-bottom: var(--sp-16);
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: var(--sp-8);
}
.footer-links a {
  color: #94a3b8;
}
.footer-links a:hover {
  color: #ffffff;
}
.footer-bottom {
  text-align: center;
  padding-top: var(--sp-24);
  border-top: 1px solid #1e293b;
  font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: var(--sp-24);
  left: var(--sp-24);
  right: var(--sp-24);
  background-color: var(--surface-color);
  padding: var(--sp-24);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-glass);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid #e2e8f0;
}
.cookie-banner[hidden] {
  display: none !important;
}
.cookie-buttons {
  display: flex;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.btn-outline {
  background-color: transparent;
  color: var(--text-heading);
  border: 1px solid #cbd5e1;
}
.btn-outline:hover {
  background-color: #f1f5f9;
}

/* Responsive */
@media (max-width: 768px) {
  .site-header {
    height: 52px;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    width: 100%;
    background-color: var(--surface-color);
    flex-direction: column;
    padding: var(--sp-16) var(--sp-24);
    box-shadow: var(--shadow-md);
    gap: var(--sp-16);
  }
  
  .main-nav.is-visible {
    display: flex;
  }
  
  .header-cta {
    display: none;
  }
  
  .supporting-section {
    grid-template-columns: 1fr;
    padding: var(--sp-24);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

@media (max-width: 399px) {
  .container {
    padding: 0 var(--sp-16);
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .glass-card {
    height: 350px;
  }
  
  .hero p {
    font-size: 1rem;
  }
}

/* Accessibility - 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;
  }
}