* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  background: #020617;
  color: #f9fafb;
  line-height: 1.6;
}

.hero {
  background: radial-gradient(circle at top left, #4f46e5, #0f172a);
  padding: 3rem 1.5rem;
  text-align: center;
}

.hero-content h1 {
  font-size: 2.7rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.15rem;
  opacity: 0.9;
}

.tagline {
  margin-top: 1rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.container {
  max-width: 900px;
  margin: 2rem auto 3rem auto;
  padding: 0 1.5rem;
}

section {
  margin-bottom: 2rem;
}

h2 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: #a5b4fc;
}

p, li {
  font-size: 0.95rem;
  color: #e5e7eb;
}

ol, ul {
  margin-left: 1.2rem;
  margin-top: 0.4rem;
}

pre {
  background: #020617;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.85rem;
  border: 1px solid #1e293b;
}

.image-wrapper {
  margin-top: 0.8rem;
  text-align: center;
}

.image-wrapper img {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid #1e293b;
}

footer {
  text-align: center;
  padding: 1.5rem 0 2rem 0;
  font-size: 0.8rem;
  color: #9ca3af;
  border-top: 1px solid #1f2937;
  margin-top: 2rem;
}