body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

.hero-section {
  background: radial-gradient(circle at top, #5b5fc7, #0f1228);
}

.section-light {
  background: #f7f8fb;
  padding: 5rem 0;
}

.section-dark {
  background: #0f1228;
  padding: 5rem 0;
}

.glass-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, #ff7a18, #ffb347);
  border: none;
}

.btn-primary:hover {
  opacity: 0.9;
}