:root {
  --bg-dark: #07070a;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.1);
  --text-main: #f8f8f8;
  --text-muted: #a1a1aa;
  --accent-start: #00f2fe;
  --accent-end: #4facfe;
  --accent-glow: rgba(79, 172, 254, 0.4);
  --danger: #ff4b4b;
  --success: #10b981;
  --focus-ring: #00f2fe;
  
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-40: 40px;
  --space-64: 64px;
}

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

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Accessibility & Resets */
h1, h2, h3, h4, h5, h6, nav, .brand-name {
  overflow-wrap: anywhere;
}

h1, h2, h3, h4, p {
  margin: 0 0 var(--space-16) 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-top: var(--space-40);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

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

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

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

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Flex/Grid shrink rule */
.flex-child, .grid-child, .card, .content-wrapper, main {
  min-width: 0;
}

/* Header */
.site-header {
  height: 64px;
  background: rgba(7, 7, 10, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  padding: 0 var(--space-24);
}

@media (max-width: 767px) {
  .site-header {
    height: 52px;
    padding: 0 var(--space-16);
  }
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-main);
}

.logo-wrapper svg {
  width: 24px;
  height: 24px;
}

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

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

/* Hamburger overlay logic */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: var(--space-8);
}

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

@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }
  .main-nav {
    display: none; /* Managed by JS toggling .is-visible */
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: rgba(7, 7, 10, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    flex-direction: column;
    padding: var(--space-24) var(--space-16);
    gap: var(--space-24);
    z-index: 100;
  }
  .main-nav.is-visible {
    display: flex;
  }
}

/* Button */
.btn-primary {
  background: linear-gradient(90deg, var(--accent-start), var(--accent-end));
  color: var(--bg-dark);
  font-weight: 600;
  padding: var(--space-8) var(--space-16);
  border-radius: 4px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover {
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-main);
  font-weight: 600;
  padding: var(--space-8) var(--space-16);
  border-radius: 4px;
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
}

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

@media (max-width: 767px) {
  .container {
    padding: 0 var(--space-16);
  }
}

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

/* Hero Section */
.hero {
  position: relative;
  padding: 120px 0 80px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-glass);
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 100%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.hero-subtitle {
  color: var(--accent-start);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-16);
  display: block;
}

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

/* Glass Overlay Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-40);
  margin-top: var(--space-40);
}

.glass-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 340px;
  text-decoration: none;
  color: var(--text-main);
  border: 1px solid var(--border-glass);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 242, 254, 0.15);
}

.glass-card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.glass-card-overlay {
  position: relative;
  z-index: 2;
  margin-top: auto;
  background: rgba(7, 7, 10, 0.75);
  backdrop-filter: blur(10px);
  padding: var(--space-24);
  border-top: 1px solid var(--border-glass);
}

.glass-card h3 {
  margin: 0 0 var(--space-8) 0;
  font-size: 1.25rem;
  color: var(--text-main);
}

.glass-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Feature Grid */
.feature-block {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: var(--space-40);
  margin-top: var(--space-64);
}

.feature-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-40);
  margin-top: var(--space-40);
}

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

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent-start), var(--accent-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Article Styling (Sub-pages & Legal pages) */
.article-header {
  padding: var(--space-64) 0 var(--space-40) 0;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: var(--space-40);
}

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

.article-content p {
  margin-bottom: var(--space-24);
  color: var(--text-muted);
  font-size: 1.05rem;
}

.article-content h2, .article-content h3 {
  color: var(--text-main);
}

.article-content ul, .article-content ol {
  margin-bottom: var(--space-24);
  padding-left: var(--space-24);
  color: var(--text-muted);
}

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

/* Data Tables */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-40) 0;
  border: 1px solid var(--border-glass);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: var(--space-16);
  border-bottom: 1px solid var(--border-glass);
}

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

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

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

@media (max-width: 767px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: var(--space-24);
  display: flex;
  flex-direction: column;
}

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

.form-control {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: var(--space-16);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-start);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

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

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

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

.form-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
  padding: var(--space-16);
  border-radius: 4px;
  margin-bottom: var(--space-24);
}

.map-block {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  margin-bottom: var(--space-24);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-glass);
  padding: var(--space-64) 0 var(--space-24) 0;
  margin-top: var(--space-64);
  background: var(--bg-dark);
}

.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 {
  color: var(--text-main);
  margin-bottom: var(--space-24);
}

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

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

.footer-col a, .footer-col p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 16, 0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-glass);
  padding: var(--space-24);
  z-index: 1000;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

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

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

@media (min-width: 768px) {
  .cookie-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-text p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}