:root {
  --bg: #0f0f17;
  --card: #161b22;
  --text: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #58a6ff;
  --accent-dark: #388bfd;
  --border: #30363d;
  --radius: 12px;
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 56px;
}

.logo-text {
  font-family: 'Orbitron', monospace;
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(90deg, #58a6ff, #a5d8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-left: 8px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 32px;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--text);
}

.hero {
  padding: 140px 0 100px;
  text-align: center;
  background: radial-gradient(circle at 50% 30%, rgba(88,166,255,0.08), transparent 60%);
}

.hero h1 {
  font-size: 3.8rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.1;
}

.highlight {
  background: linear-gradient(90deg, #58a6ff, #a5d8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lead {
  font-size: 1.4rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 40px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.stat-num {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 1rem;
  color: var(--text-secondary);
  display: block;
  margin-top: 8px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-weight: 600;
  padding: 16px 40px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
}

.btn:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(88,166,255,0.25);
}

.btn-large {
  padding: 20px 56px;
  font-size: 1.3rem;
}

.btn-small {
  padding: 12px 28px;
  font-size: 1rem;
}

.features, .reviews, .cta {
  padding: 100px 0;
}

h2 {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 60px;
}

.features-grid, .reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.feature-card, .review-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all 0.3s ease;
}

.feature-card:hover, .review-card:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
}

.feature-icon {
  font-size: 3.2rem;
  margin-bottom: 24px;
}

.review-card .stars {
  color: #f1c40f;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.review-author {
  margin-top: 16px;
  color: var(--text-secondary);
  font-weight: 500;
}

.cta {
  background: linear-gradient(135deg, #0f0f17, #161b22);
  text-align: center;
}

footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
  text-align: center;
  color: var(--text-secondary);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Адаптив */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.8rem; }
  .hero-stats { gap: 40px; }
  h2 { font-size: 2.4rem; }
}

.features, .reviews, .cta {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

.features.visible, .reviews.visible, .cta.visible {
  opacity: 1;
  transform: translateY(0);
}