:root {
  --color-bg-dark: #07070b;
  --color-bg-panel: rgba(18, 19, 28, 0.45);
  --color-bg-panel-hover: rgba(25, 27, 40, 0.6);
  --color-bg-glass: rgba(10, 11, 16, 0.85);
  
  --color-accent-neon: #00f0ff;
  --color-accent-magenta: #ff003c;
  --color-accent-purple: #bd00ff;
  
  --color-text-primary: #f8f9fa;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  
  --color-border-subtle: rgba(255, 255, 255, 0.08);
  --color-border-glow: rgba(0, 240, 255, 0.3);
  
  --color-error: #ff4d4d;
  
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-40: 40px;
  --space-64: 64px;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  --z-nav: 100;
  --z-overlay: 200;
  --z-cookie: 300;
}

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

html {
  lang: en;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg-dark);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(189, 0, 255, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.04) 0%, transparent 50%);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--space-24);
  line-height: 1.2;
  font-weight: 700;
  overflow-wrap: anywhere;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
  margin-top: 0;
  margin-bottom: var(--space-16);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent-neon);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}

a:hover {
  color: var(--color-text-primary);
  text-shadow: 0 0 8px var(--color-border-glow);
}

:focus-visible {
  outline: 2px solid var(--color-accent-neon);
  outline-offset: 2px;
}

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

ul, ol {
  margin-top: 0;
  margin-bottom: var(--space-24);
  padding-left: var(--space-24);
  color: var(--color-text-secondary);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-40);
}

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

th {
  color: var(--color-text-primary);
  font-weight: 600;
}

.table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-40);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-24);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-40);
  margin-bottom: var(--space-64);
}

.grid-col { min-width: 0; }

.section-spacing {
  padding-top: var(--space-64);
  padding-bottom: var(--space-64);
}

/* Glassmorphism Styles */
.glass-panel {
  background: var(--color-bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-40);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.neon-gradient-text {
  background: linear-gradient(90deg, var(--color-accent-neon), var(--color-accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-24);
  background: rgba(0, 240, 255, 0.1);
  color: var(--color-accent-neon);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn:hover {
  background: rgba(0, 240, 255, 0.2);
  color: #ffffff;
  box-shadow: 0 0 16px var(--color-border-glow);
  text-shadow: none;
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-accent-neon), var(--color-accent-purple));
  color: var(--color-bg-dark);
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(90deg, #33f3ff, #c733ff);
  color: var(--color-bg-dark);
  box-shadow: 0 0 24px var(--color-border-glow);
}

/* Header */
.site-header {
  height: 64px;
  background: rgba(7, 7, 11, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text-primary);
  text-decoration: none;
  z-index: calc(var(--z-nav) + 2);
}

.brand svg {
  width: 24px;
  height: 24px;
}

.brand:hover {
  text-shadow: none;
}

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

.nav-desktop a {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  z-index: calc(var(--z-nav) + 2);
}

.hamburger {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: var(--space-8);
  margin-right: -8px;
}

.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-bg-dark);
  z-index: calc(var(--z-nav) + 1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-24);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.mobile-nav a {
  font-size: 1.5rem;
  color: var(--color-text-primary);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,240,255,0.15) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-subtitle {
  font-family: var(--font-mono);
  color: var(--color-accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  margin-bottom: var(--space-16);
  display: block;
}

.hero p {
  max-width: 600px;
  margin: 0 auto var(--space-40);
  font-size: 1.125rem;
}

/* Card Style: Glass overlay */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 0;
  aspect-ratio: 4/5;
  text-decoration: none;
  border: 1px solid var(--color-border-subtle);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-glow);
  box-shadow: 0 12px 40px rgba(0, 240, 255, 0.15);
}

.card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-24);
  background: var(--color-bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  transition: background 0.3s;
}

.card:hover .card-overlay {
  background: rgba(18, 19, 28, 0.9);
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent-neon);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-title {
  font-size: 1.25rem;
  margin: 0;
  color: var(--color-text-primary);
}

.card-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Article Layout */
.article-header {
  padding: 80px 0 40px;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-64);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2 {
  margin-top: var(--space-64);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--color-border-subtle);
}

.article-content h3 {
  margin-top: var(--space-40);
}

.article-content img {
  border-radius: var(--radius-md);
  margin: var(--space-40) 0;
  border: 1px solid var(--color-border-subtle);
}

/* Stats Block */
.stats-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-24);
  margin: var(--space-40) 0;
  padding: var(--space-24);
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: var(--space-12) var(--space-16);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent-neon);
  box-shadow: 0 0 0 1px var(--color-accent-neon);
}

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

.error-message {
  display: none;
  color: var(--color-error);
  font-size: 0.75rem;
  margin-top: var(--space-8);
}

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

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.map-block {
  width: 100%;
  height: 300px;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  margin-top: var(--space-40);
  background-image: 
    linear-gradient(var(--color-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-subtle) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Footer */
.site-footer {
  margin-top: var(--space-64);
  padding: var(--space-64) 0 var(--space-40);
  background: rgba(7, 7, 11, 0.95);
  border-top: 1px solid var(--color-border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-40);
  margin-bottom: var(--space-64);
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: var(--space-24);
  color: var(--color-text-primary);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-12);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

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

.footer-bottom {
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-16);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: var(--space-24);
  left: var(--space-24);
  right: var(--space-24);
  max-width: 800px;
  margin: 0 auto;
  background: rgba(18, 19, 28, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  z-index: var(--z-cookie);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
  transform: translateY(150%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-text p {
  margin: 0;
  font-size: 0.875rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .site-header {
    height: 52px;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .hamburger {
    display: block;
  }

  .header-cta .btn:not(.hamburger) {
    display: none;
  }

  .hero {
    padding: 80px 0 60px;
  }
  
  .glass-panel {
    padding: var(--space-24);
  }
  
  .article-header {
    padding: 40px 0 24px;
  }
}

@media (max-width: 400px) {
  .site-header {
    height: 48px;
  }
  
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .cookie-actions {
    flex-direction: column;
  }
  
  .cookie-actions .btn {
    width: 100%;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Accessibility: 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;
  }
}