body {
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  background: #f8fafc;
  color: #222;
  margin: 0;
  padding: 0;
}

.hero {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem 1rem;
  background: linear-gradient(90deg, #e0e7ff 0%, #f0fdfa 100%);
  border-bottom: 1px solid #e5e7eb;
}

.logo {
  width: 64px;
  height: 64px;
  margin-bottom: 0.5rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin: 0.2em 0 0.1em 0;
  letter-spacing: 2px;
}

.hero h2 {
  font-size: 1.3rem;
  font-weight: 400;
  margin: 0.2em 0 0.5em 0;
  color: #4f46e5;
}

.subtitle {
  color: #334155;
  font-size: 1.1rem;
  margin-bottom: 0.5em;
}

.demo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 2rem 0 1.5rem 0;
}

.demo iframe {
  width: 100%;
  max-width: 900px;
  height: 500px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  box-shadow: 0 2px 8px #0002;
  background: #fff;
}

.demo-caption {
  margin-top: 0.5em;
  color: #64748b;
  font-size: 0.95em;
}

section {
  max-width: 700px;
  margin: 2.5rem auto 1.5rem auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px #0001;
  padding: 2rem 1.5rem 1.5rem 1.5rem;
}

section h3 {
  margin-top: 0;
  color: #2563eb;
  font-size: 1.3rem;
}

.quickstart pre, .quickstart code {
  background: #f1f5f9;
  color: #0f172a;
  border-radius: 5px;
  padding: 0.3em 0.6em;
  font-size: 1em;
  font-family: 'Fira Mono', 'Consolas', monospace;
}

.quickstart pre {
  padding: 0.8em 1em;
  overflow-x: auto;
}

ul {
  padding-left: 1.2em;
}

li {
  margin-bottom: 0.5em;
}

.attribution a {
  color: #0ea5e9;
  text-decoration: none;
}

.faq details {
  margin-bottom: 1em;
  background: #f1f5f9;
  border-radius: 6px;
  padding: 0.7em 1em;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  color: #334155;
}

footer {
  text-align: center;
  padding: 2em 0 1.5em 0;
  color: #64748b;
  background: none;
  font-size: 1em;
}

.footer-inner a {
  color: #6366f1;
  text-decoration: none;
}

@media (max-width: 800px) {
  .demo iframe {
    height: 320px;
  }
  section {
    padding: 1.2rem 0.7rem 1rem 0.7rem;
  }
}