:root {
  /* Colors - Dark Glassmorphism */
  --color-bg: #050508;
  --color-surface: rgba(20, 20, 30, 0.4);
  --color-surface-hover: rgba(30, 30, 45, 0.6);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-text: #f0f0f5;
  --color-text-muted: #a0a0b5;
  --color-neon-1: #00f2fe;
  --color-neon-2: #4facfe;
  --color-error: #ff4a4a;
  
  /* Spacing Scale */
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-40: 40px;
  --space-64: 64px;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 16px;
  --radius-sm: 8px;
}

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

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

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

/* Typography & Wrapping Rules */
h1, h2, h3, h4, .brand-name, nav a {
  overflow-wrap: anywhere;
  margin-top: 0;
  margin-bottom: var(--space-16);
  font-weight: 700;
  color: var(--color-text);
}

h1 { font-size: 2.5rem; line-height: 1.1; }
h2 { font-size: 2rem; line-height: 1.2; }
h3 { font-size: 1.5rem; }
p { margin-top: 0; margin-bottom: var(--space-24); color: var(--color-text-muted); }
a { color: var(--color-neon-2); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-neon-1); }

/* A11y & Focus */
:focus-visible {
  outline: 2px solid var(--color-neon-1);
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}

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

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

/* Dark Glassmorphism Components */
.glass-panel {
  background: var(--color-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
}

.neon-gradient-text {
  background: linear-gradient(90deg, var(--color-neon-1), var(--color-neon-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent; /* fallback text color handled by gradient */
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-24);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: var(--color-neon-1);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}
.btn-primary {
  background: linear-gradient(90deg, var(--color-neon-1), var(--color-neon-2));
  color: #050508;
  border: none;
}
.btn-primary:hover {
  background: linear-gradient(90deg, var(--color-neon-2), var(--color-neon-1));
  color: #050508;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

/* Header & Nav */
.header {
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  background: rgba(5, 5, 8, 0.8);
  backdrop-filter: blur(10px);
  color: var(--color-text);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-weight: bold;
  font-size: 1.25rem;
  color: var(--color-text);
  z-index: 100;
}
.brand svg { width: 24px; height: 24px; fill: var(--color-neon-1); }

.nav-links {
  display: flex;
  gap: var(--space-24);
  align-items: center;
}
.nav-links a { color: var(--color-text); font-size: 0.95rem; }
.nav-links a:hover { color: var(--color-neon-1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  z-index: 100;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: var(--space-8);
}
.menu-toggle svg { width: 24px; height: 24px; fill: currentColor; }

/* Mobile Menu */
@media (max-width: 767px) {
  .header { height: 52px; }
  .menu-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-40) var(--space-24);
    gap: var(--space-24);
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 90;
  }
  .nav-links.is-visible {
    transform: translateX(0);
  }
}

/* Hero Section */
.hero {
  position: relative;
  padding: var(--space-64) 0;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  max-width: 800px;
  margin: 0 auto var(--space-24);
}
.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto var(--space-40);
}

/* Card Style: Glass Overlay */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-24);
  min-width: 0;
}

.card {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--color-surface);
  text-decoration: none;
  border: 1px solid var(--color-border);
  transition: border-color 0.3s;
}
.card:hover {
  border-color: var(--color-neon-1);
}

.card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.card:hover .card-img {
  transform: scale(1.05);
}

.card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-24);
  background: rgba(5, 5, 8, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.card-overlay h3 { margin: 0; font-size: 1.25rem; }
.card-overlay p { margin: 0; font-size: 0.9rem; color: var(--color-text-muted); }

/* Article / Sub-page specific */
.article-header {
  padding: var(--space-64) 0 var(--space-40);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-40);
}
.article-content {
  max-width: 800px;
  margin: 0 auto;
}
.article-content h2 { margin-top: var(--space-40); }
.article-content ul, .article-content ol {
  margin-bottom: var(--space-24);
  padding-left: var(--space-24);
  color: var(--color-text-muted);
}
.article-content li { margin-bottom: var(--space-8); }

/* Data Tables */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-bottom: var(--space-24);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}
th, td {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-border);
}
th {
  background: rgba(255, 255, 255, 0.05);
  font-weight: 600;
  color: var(--color-text);
}
tr:last-child td { border-bottom: none; }

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

.form-group {
  margin-bottom: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.form-group label {
  font-weight: 600;
  color: var(--color-text);
}
.form-control {
  width: 100%;
  padding: var(--space-12);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-neon-1);
}
.form-control.is-invalid {
  border-color: var(--color-error);
}
.error-message {
  color: var(--color-error);
  font-size: 0.85rem;
  display: none;
}
.error-message.is-visible {
  display: block;
}

.static-map {
  width: 100%;
  height: 300px;
  background: 
    linear-gradient(rgba(0, 242, 254, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 254, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
  background-color: #0a0a0f;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-top: var(--space-24);
}
.map-pin {
  width: 20px;
  height: 20px;
  background: var(--color-neon-1);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--color-neon-1);
}

/* Footer */
.footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-64) 0 var(--space-24);
  color: var(--color-text-muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-40);
  margin-bottom: var(--space-40);
}
.footer h4 {
  color: var(--color-text);
  margin-bottom: var(--space-16);
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.footer-links a { color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-neon-1); }
.footer-bottom {
  text-align: center;
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: var(--space-24);
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - var(--space-40));
  max-width: 600px;
  z-index: 999;
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.cookie-buttons {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.cookie-buttons button {
  flex: 1;
  min-width: max-content;
}

/* Media Queries */
@media (max-width: 767px) {
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-40); }
  .section { padding-top: var(--space-40); padding-bottom: var(--space-40); }
  .card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 399px) {
  .cookie-banner { bottom: 0; width: 100%; border-radius: 0; border-bottom: none; }
  .btn { padding: var(--space-8) var(--space-16); font-size: 0.9rem; }
  .hero h1 { font-size: 1.75rem; }
}

/* Accessibility & Preferences */
@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;
  }
}