:root {
  --primary: #00d4ff;
  --primary-dark: #00a8cc;
  --secondary: #7c3aed;
  --bg-dark: #0a0a0f;
  --bg-card: #141420;
  --bg-hover: #1a1a2e;
  --text-primary: #ffffff;
  --text-secondary: #b8b8c8;
  --accent: #ff6b35;
  --success: #10b981;
  --warning: #f59e0b;
  --border: #2a2a3e;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a2e 100%);
  padding: 4rem 0;
}

.hero-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

.hero-wrapper .hero-content {
  text-align: left;
  max-width: none;
  margin: 0;
  padding: 0;
}

.hero-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 16px;
  filter: drop-shadow(0 0 10px var(--primary));
  object-fit: contain;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.hero-anchors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.hero-anchor {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero-anchor:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.hero-anchor svg {
  width: 32px;
  height: 32px;
  fill: var(--primary);
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.15);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: contain;
  margin-bottom: 1.5rem;
  background: var(--bg-dark);
  border-radius: 8px;
  padding: 1rem;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--text-primary);
}

/* Interactive Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.stat-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
}

.comparison-table th,
.comparison-table td {
  padding: 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: var(--bg-hover);
  color: var(--primary);
  font-weight: 600;
}

.comparison-table tr:hover {
  background: var(--bg-hover);
}

/* Review Page */
.review-header {
  text-align: center;
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.review-logo {
  max-width: 300px;
  margin: 2rem auto;
  display: block;
  background: var(--bg-dark);
  padding: 2rem;
  border-radius: 16px;
}

.rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 1rem 0;
}

.stars {
  color: var(--warning);
  font-size: 1.5rem;
}

.rating-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

/* Chart Container */
.chart-container {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 12px;
  margin: 2rem 0;
  border: 1px solid var(--border);
}

.chart-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.chart-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.chart-label {
  min-width: 150px;
  color: var(--text-secondary);
}

.chart-bar-fill {
  flex: 1;
  height: 30px;
  background: var(--bg-dark);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.chart-bar-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  transition: width 1s ease;
}

.chart-value {
  min-width: 60px;
  text-align: right;
  color: var(--primary);
  font-weight: 600;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  fill: var(--primary);
}

.feature-content h4 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Footer */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-section a:hover {
  color: var(--primary);
}

.footer-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  margin-top: 2rem;
  justify-content: center;
}

.footer-logos a {
  display: inline-block;
  text-decoration: none;
  transition: opacity 0.3s, transform 0.3s;
}

.footer-logos img {
  height: 40px;
  opacity: 0.7;
  transition: opacity 0.3s;
  display: block;
}

.footer-logos a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.footer-logos a:hover img {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}

.age-disclaimer {
  background: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.age-disclaimer strong {
  display: block;
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
  font-weight: 800;
}

.age-disclaimer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 3rem;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 2px solid var(--primary);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 2rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.3s;
}

.modal-close:hover {
  background: var(--bg-hover);
}

.modal h2 {
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.modal p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.modal-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 2px solid var(--primary);
  padding: 2rem;
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.3s;
}

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

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
}

/* FAQ */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}

.faq-question:hover {
  background: var(--bg-hover);
}

.faq-question h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
}

.faq-icon {
  width: 24px;
  height: 24px;
  fill: var(--primary);
  transition: transform 0.3s;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s;
}

.faq-item.active .faq-answer {
  max-height: 1000px;
}

.faq-answer-content {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-top: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links a:hover {
    background: var(--bg-hover);
    border-radius: 8px;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-content {
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    max-width: 100%;
  }

  .hero-anchors {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison-table {
    font-size: 0.9rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.75rem;
  }

  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
}

/* Performance optimizations */
img {
  max-width: 100%;
  height: auto;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}