:root {
  --color-bg: #07090f;
  --color-surface: rgba(18, 22, 33, 0.6);
  --color-surface-hover: rgba(28, 34, 48, 0.75);
  --color-glass-border: rgba(255, 255, 255, 0.08);
  --color-glass-border-hover: rgba(0, 242, 254, 0.4);
  --color-text-main: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-accent-1: #00f2fe;
  --color-accent-2: #4facfe;
  --color-accent-dark: #000000;
  --color-error: #ff4a4a;
  
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 40px;
  --space-6: 64px;

  --font-main: "Inter", system-ui, -apple-system, sans-serif;
  
  --header-height-mobile: 52px;
  --header-height-desktop: 64px;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-accent-1);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover {
  color: var(--color-accent-2);
  text-shadow: 0 0 8px rgba(79, 172, 254, 0.5);
}

p {
  margin-bottom: var(--space-4);
}

*:focus-visible {
  outline: 2px solid var(--color-accent-1);
  outline-offset: 4px;
}

/* Typography */
h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, 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); /* Fallback */
}

h2 {
  font-size: 2rem;
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
  color: var(--color-text-main);
}

h3 {
  font-size: 1.5rem;
  margin-top: var(--space-5);
  margin-bottom: var(--space-3);
  color: var(--color-text-main);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid > *, .flex > * {
  min-width: 0;
}

.main-content {
  flex: 1;
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

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

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

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text-main);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-text-main);
  text-shadow: none;
}

.brand-icon {
  width: 24px;
  height: 24px;
  fill: url(#brand-gradient);
}

.main-nav {
  display: none;
}

.nav-link {
  color: var(--color-text-main);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-cta {
  background: linear-gradient(135deg, var(--color-accent-1), var(--color-accent-2));
  color: var(--color-accent-dark);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.2);
}

.btn-cta:hover {
  box-shadow: 0 0 24px rgba(0, 242, 254, 0.4);
  color: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent-1);
  border: 1px solid var(--color-accent-1);
}

.btn-outline:hover {
  background: rgba(0, 242, 254, 0.1);
  color: var(--color-accent-1);
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-text-main);
  border-radius: 2px;
  transition: all 0.3s linear;
}

.mobile-nav-overlay {
  position: absolute;
  top: var(--header-height-mobile);
  left: 0;
  width: 100%;
  background: rgba(7, 9, 15, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-glass-border);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transform: translateY(-150%);
  transition: transform 0.3s ease-in-out;
  z-index: 99;
}

.mobile-nav-overlay.is-visible {
  transform: translateY(0);
}

.mobile-nav-overlay .nav-link {
  font-size: 1.25rem;
  display: block;
  text-align: center;
}

/* Cards (Glass Overlay) */
.card-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/5;
  border: 1px solid var(--color-glass-border);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  background: var(--color-surface);
}

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

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

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(to top, rgba(7, 9, 15, 0.95) 10%, rgba(7, 9, 15, 0.4) 60%, transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-4);
  text-decoration: none;
}

/* Apply pseudo-element for extra glass blur only at the bottom text area */
.card-overlay::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50%;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: -1;
  mask-image: linear-gradient(to top, black 50%, transparent);
  -webkit-mask-image: linear-gradient(to top, black 50%, transparent);
}

.card-title {
  font-size: 1.25rem;
  color: var(--color-text-main);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Sections */
.section-gap {
  margin-top: var(--space-6);
}

.hero {
  padding: var(--space-6) 0;
  text-align: center;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.08) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-5);
}

.info-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  padding: var(--space-5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-top: var(--space-6);
}

/* Stats */
.stat-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: var(--space-3);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent-1);
}

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

/* Article Content */
.article-header {
  margin-bottom: var(--space-6);
}

.article-meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.article-body h2 {
  border-bottom: 1px solid var(--color-glass-border);
  padding-bottom: var(--space-2);
}

.article-body ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-4);
  color: var(--color-text-muted);
}

.article-body li {
  margin-bottom: var(--space-2);
}

.article-body strong {
  color: var(--color-text-main);
}

.feature-box {
  background: rgba(0, 242, 254, 0.05);
  border-left: 4px solid var(--color-accent-1);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  border-radius: 0 8px 8px 0;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-glass-border);
  border-radius: 8px;
}

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

th, td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-glass-border);
}

th {
  background: rgba(255, 255, 255, 0.02);
  font-weight: 600;
  color: var(--color-accent-1);
}

tr:last-child td {
  border-bottom: none;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--color-text-main);
}

.form-control {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-glass-border);
  color: var(--color-text-main);
  padding: var(--space-3);
  border-radius: 8px;
  font-family: var(--font-main);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent-1);
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.2);
}

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

.error-message {
  display: none;
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: var(--space-1);
}

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

.form-success {
  display: none;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid var(--color-accent-1);
  padding: var(--space-4);
  border-radius: 8px;
  margin-bottom: var(--space-4);
  color: var(--color-accent-1);
}

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

/* Map Block */
.map-block {
  width: 100%;
  height: 300px;
  background: var(--color-surface);
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--color-text-muted);
  position: relative;
  overflow: hidden;
}

.map-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--color-glass-border) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.3;
}

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-glass-border);
  padding: var(--space-6) 0 var(--space-4);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.footer-col h4 {
  color: var(--color-accent-1);
  margin-bottom: var(--space-3);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

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

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

.footer-bottom {
  border-top: 1px solid var(--color-glass-border);
  padding-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(18, 22, 33, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-glass-border);
  padding: var(--space-4);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

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

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Breakpoints */
@media (min-width: 400px) {
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

@media (min-width: 768px) {
  .site-header {
    height: var(--header-height-desktop);
  }
  
  .hamburger {
    display: none;
  }
  
  .main-nav {
    display: flex;
    gap: var(--space-4);
  }
  
  .mobile-nav-overlay {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .cookie-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  .cookie-actions {
    flex-wrap: nowrap;
  }
}

/* Accessibility - 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;
  }
}