:root {
  --space-4: 4px;
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-40: 40px;
  --space-64: 64px;

  --color-bg: #07090f;
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-surface-hover: rgba(255, 255, 255, 0.08);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-text-main: #f1f5f9;
  --color-text-muted: #94a3b8;
  
  --color-accent-1: #00f0ff;
  --color-accent-2: #8a2be2;
  --color-focus: #00f0ff;
  --color-error: #ff4757;

  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

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

html {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(138, 43, 226, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6, .brand-name, nav, .wrap-anywhere {
  overflow-wrap: anywhere;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--color-accent-1);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

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

ul {
  list-style: none;
}

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

/* Typography */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; margin-bottom: var(--space-24); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); line-height: 1.2; margin-bottom: var(--space-16); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); line-height: 1.3; margin-bottom: var(--space-16); }
p { margin-bottom: var(--space-16); color: var(--color-text-muted); }
.text-highlight { color: var(--color-text-main); font-weight: 500; }
.gradient-text {
  background: linear-gradient(90deg, var(--color-accent-1), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: var(--color-accent-1); 
}

/* Header */
.site-header {
  height: 64px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 100;
  background: rgba(7, 9, 15, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

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

.logo-area {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-weight: 700;
  font-size: 1.125rem;
  z-index: 101;
}

.logo-area svg {
  width: 24px;
  height: 24px;
  fill: var(--color-accent-1);
}

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

.site-nav {
  display: flex;
  gap: var(--space-24);
}

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

.site-nav a:hover {
  color: var(--color-accent-1);
}

.btn, .btn-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-24);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.2s ease;
  text-align: center;
}

.btn:hover, .btn-sm:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent-1);
  color: var(--color-text-main);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-2), var(--color-accent-1));
  border: none;
  color: #fff;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-1), var(--color-accent-2));
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
  color: #fff;
}

.btn-sm {
  padding: var(--space-8) var(--space-16);
  font-size: 0.875rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-main);
  cursor: pointer;
  padding: var(--space-4);
  z-index: 101;
}

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

/* Main Content Layout */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

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

/* Hero Section */
.hero {
  padding: clamp(var(--space-64), 10vw, 120px) 0;
  text-align: center;
  position: relative;
}

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

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

.glass-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid var(--color-border);
  min-width: 0;
  background-color: var(--color-surface);
}

.glass-card .card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: transform 0.4s ease;
}

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

.glass-overlay {
  position: relative;
  z-index: 2;
  padding: var(--space-24);
  background: linear-gradient(to top, rgba(7, 9, 15, 0.95) 10%, rgba(7, 9, 15, 0.4) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border);
  min-width: 0;
}

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

.glass-overlay p {
  font-size: 0.9rem;
  margin-bottom: var(--space-16);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Stats Block */
.stat-block {
  display: flex;
  gap: var(--space-24);
  margin-top: var(--space-40);
  justify-content: center;
  flex-wrap: wrap;
}
.stat-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-24);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  min-width: 200px;
  flex: 1;
}
.stat-item .stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--color-accent-1);
}
.stat-item .stat-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
}

/* Sub-page Article Styles */
.article-header {
  padding: var(--space-64) 0 var(--space-40);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-40);
  text-align: center;
}
.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: var(--space-64);
}
.article-content h2, .article-content h3 {
  margin-top: var(--space-40);
  color: var(--color-text-main);
}
.article-content p {
  font-size: 1.05rem;
  margin-bottom: var(--space-24);
}
.article-content ul {
  margin: var(--space-24) 0 var(--space-24) var(--space-24);
  list-style: disc;
  color: var(--color-text-muted);
}
.article-content li {
  margin-bottom: var(--space-8);
}
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: var(--space-40) 0;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}
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, 0.05);
  font-weight: 600;
  color: var(--color-text-main);
}
tr:last-child td {
  border-bottom: none;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-24);
}
.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: 500;
  color: var(--color-text-main);
}
.form-control {
  width: 100%;
  padding: var(--space-16);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-main);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, background 0.2s;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent-1);
  background: rgba(255, 255, 255, 0.06);
}
.form-control.is-invalid {
  border-color: var(--color-error);
}
.error-msg {
  display: none;
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--space-4);
}
.form-control.is-invalid + .error-msg {
  display: block;
}
.map-block {
  width: 100%;
  height: 300px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: var(--space-40);
  background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  background: rgba(7, 9, 15, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: var(--space-64) 0 var(--space-24);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-40);
  margin-bottom: var(--space-40);
}
.footer-col h4 {
  color: var(--color-text-main);
  margin-bottom: var(--space-16);
  font-size: 1.125rem;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.footer-bottom {
  text-align: center;
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(7, 9, 15, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-accent-1);
  padding: var(--space-24);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
}
.cookie-banner.is-visible {
  transform: translateY(0);
}
.cookie-content {
  text-align: center;
  max-width: 800px;
}
.cookie-actions {
  display: flex;
  gap: var(--space-16);
  flex-wrap: wrap;
  justify-content: center;
}

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

[hidden] {
  display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
  .site-header {
    height: 52px;
  }
  .menu-toggle {
    display: block;
  }
  .site-nav, .header-cta {
    display: none;
  }
  .nav-container.is-open {
    position: absolute;
    top: 52px;
    left: 0;
    width: 100%;
    background: rgba(7, 9, 15, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-24);
    align-items: flex-start;
  }
  .nav-container.is-open .site-nav {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--space-16);
  }
  .nav-container.is-open .header-cta {
    display: inline-flex;
    margin-top: var(--space-16);
  }
  .stat-block {
    flex-direction: column;
  }
}

@media (max-width: 399px) {
  .site-header {
    height: 48px;
  }
  .nav-container.is-open {
    top: 48px;
  }
  h1 { font-size: 1.75rem; }
  .btn { width: 100%; }
}

@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;
  }
}