:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #8b5cf6;
  --bg: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(148, 163, 184, 0.1);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(15, 23, 42, 0) 70%);
  z-index: -1;
}

h1 {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 40px;
}

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.4);
}

/* Features */
.features {
  padding: 100px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  padding: 40px;
  border-radius: 24px;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(148, 163, 184, 0.2);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 20px;
  display: block;
}

.feature-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
}

/* Footer */
footer {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
}

.footer-links {
  margin-top: 20px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 15px;
  font-size: 14px;
}

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

@media (max-width: 768px) {
  h1 { font-size: 40px; }
  .hero { padding: 80px 0 40px; }
}
