:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: light dark;
}

body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, #202030, #050507);
  color: #f5f5f5;
}

.page {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

header {
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 16px;
}

h1 {
  margin: 0 0 4px;
  font-size: 2rem;
}

.subtitle {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.75;
}

h2 {
  margin-top: 28px;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

p, li {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0.3rem 0;
}

section {
  margin-bottom: 18px;
}

strong {
  font-weight: 600;
}

a {
  color: #7bb4ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.small {
  font-size: 0.8rem;
  opacity: 0.7;
}

.card {
  background: rgba(10, 10, 18, 0.85);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 18px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

@media (max-width: 600px) {
  .page {
    padding: 24px 14px 40px;
  }
}