:root {
  --color-bg: #0d0f14;
  --color-surface: rgba(25, 28, 36, 0.6);
  --color-surface-hover: rgba(35, 40, 52, 0.8);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-neon-cyan: #00ffcc;
  --color-neon-purple: #bc13fe;
  --color-text-main: #f3f4f6;
  --color-text-muted: #9ca3af;
  --color-error: #ff4d4d;
  
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --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: 16px;
  --radius-lg: 24px;
  
  --glass-blur: 16px;
}

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

html {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden; /* For viewport constraints, not layout masking */
}

/* Base Typography */
h1, h2, h3, h4, h5, h6, .brand-name {
  font-weight: 700;
  line-height: 1.2;
  overflow-wrap: anywhere;
  color: #ffffff;
}

h1 { font-size: 2.5rem; margin-bottom: var(--space-24); }
h2 { font-size: 2rem; margin-bottom: var(--space-24); margin-top: var(--space-40); }
h3 { font-size: 1.5rem; margin-bottom: var(--space-16); margin-top: var(--space-24); }

p { margin-bottom: var(--space-16); }

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

a:hover {
  color: #ffffff;
  text-shadow: 0 0 8px var(--color-neon-cyan);
}

ul, ol {
  margin-bottom: var(--space-16);
  padding-left: var(--space-24);
}

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

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

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

.text-center { text-align: center; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Glassmorphism & Neon */
.glass-panel {
  background: var(--color-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.neon-border {
  transition: all 0.3s ease;
}

.neon-border:hover, .neon-border:focus-within {
  border-color: rgba(0, 255, 204, 0.5);
  box-shadow: 0 0 20px rgba(0, 255, 204, 0.15), inset 0 0 10px rgba(188, 19, 254, 0.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-24);
  background: linear-gradient(135deg, var(--color-neon-cyan), #00b38f);
  color: #000000;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 255, 204, 0.4);
  color: #000000;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-main);
  border-color: var(--color-text-main);
  box-shadow: none;
}

/* Header */
.site-header {
  height: 64px;
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  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-8);
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  font-size: 1.1rem;
}

.brand svg {
  width: 24px;
  height: 24px;
  fill: var(--color-neon-cyan);
}

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

.nav-link {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.header-cta {
  margin-left: var(--space-24);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: var(--space-8);
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

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

.card-horizontal {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  padding: var(--space-24);
  text-decoration: none;
  color: inherit;
  min-width: 0; /* allows shrinking */
}

.card-horizontal:hover .card-title {
  color: var(--color-neon-cyan);
}

.card-media {
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  background: linear-gradient(45deg, #1a1c23, #2a2d39);
}

.card-media::after {
  content: '';
  display: block;
  padding-bottom: 66.66%; /* 3:2 aspect ratio */
}

.card-media img, .card-media svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.card-meta {
  font-size: 0.85rem;
  color: var(--color-neon-purple);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-8);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-12);
  transition: color 0.2s ease;
}

.card-desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-16);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-top: auto;
}

.tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-12);
  border-radius: 99px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Page Layouts */
.hero {
  padding: var(--space-64) 0;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(188,19,254,0.15) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: var(--space-24);
  background: linear-gradient(to right, #fff, var(--color-text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.section {
  padding: var(--space-64) 0;
}

.content-layout {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-64) var(--space-24);
}

.content-header {
  margin-bottom: var(--space-40);
  text-align: center;
}

.content-meta {
  color: var(--color-neon-cyan);
  font-weight: 500;
  margin-bottom: var(--space-16);
  display: block;
}

.article-body h2 {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-8);
}

.article-body ul {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-24) var(--space-24) var(--space-24) var(--space-40);
  margin-bottom: var(--space-24);
}

.article-body li {
  padding-left: var(--space-8);
}

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

.stat-card {
  padding: var(--space-24);
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-neon-cyan);
  margin-bottom: var(--space-12);
}

.stat-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

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

.form-control {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-12) var(--space-16);
  color: #fff;
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-neon-cyan);
  box-shadow: 0 0 0 2px rgba(0, 255, 204, 0.2);
}

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

.form-message {
  display: none;
  padding: var(--space-16);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-24);
  font-weight: 500;
}

.form-message.is-visible {
  display: block;
}

.form-message.success {
  background: rgba(0, 255, 204, 0.1);
  color: var(--color-neon-cyan);
  border: 1px solid var(--color-neon-cyan);
}

.form-message.error {
  background: rgba(255, 77, 77, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

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

.error-text {
  display: none;
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: var(--space-4);
}

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

.map-block {
  width: 100%;
  height: 300px;
  background: linear-gradient(to bottom right, #1a1c23, #0a0b10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-40);
  position: relative;
  overflow: hidden;
}

.map-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

.map-marker {
  z-index: 1;
  text-align: center;
}

.map-marker svg {
  width: 40px;
  height: 40px;
  fill: var(--color-neon-purple);
  filter: drop-shadow(0 0 10px rgba(188, 19, 254, 0.5));
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin-bottom: var(--space-24);
}

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: rgba(255, 255, 255, 0.02);
  color: var(--color-neon-cyan);
  font-weight: 600;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  background: rgba(10, 11, 16, 0.95);
  padding: var(--space-64) 0 var(--space-24);
}

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

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-16);
  color: #fff;
}

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

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

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

.footer-col a:hover {
  color: var(--color-neon-cyan);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(13, 15, 20, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-neon-purple);
  padding: var(--space-16) var(--space-24);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
}

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

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

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

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

.cookie-actions .btn {
  font-size: 0.85rem;
  padding: var(--space-8) var(--space-16);
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--color-neon-cyan);
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

@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;
  }
}

/* Media Queries */
@media (max-width: 991px) {
  .hero h1 { font-size: 2.5rem; }
}

@media (min-width: 768px) {
  .card-horizontal {
    flex-direction: row;
    align-items: center;
  }
  
  .card-media {
    flex: 0 0 40%;
    max-width: 40%;
  }
  
  .cookie-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  .cookie-actions {
    flex: 0 0 auto;
  }
}

@media (max-width: 767px) {
  .site-header { height: 52px; }
  
  .menu-toggle { display: block; }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: rgba(13, 15, 20, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-24);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    z-index: 99;
  }
  
  .main-nav.is-visible {
    display: flex;
  }
  
  .header-cta { margin-left: 0; margin-top: var(--space-16); width: 100%; text-align: center; }
  
  .hero h1 { font-size: 2rem; }
  .stat-value { font-size: 2rem; }
}

@media (max-width: 399px) {
  :root {
    --space-24: 16px;
    --space-40: 24px;
    --space-64: 40px;
  }
  .hero h1 { font-size: 1.75rem; }
  .card-title { font-size: 1.25rem; }
  .btn { width: 100%; }
}