:root {
  --bg: #ffffff;
  --text: #000000;
  --link: #000000;
  --border: #eeeeee;
  --code-bg: #f5f5f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --text: #ffffff;
    --link: #ffffff;
    --border: #333333;
    --code-bg: #1a1a1a;
  }
}

body {
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  margin: 0;
  padding: 2rem;
  display: flex;
  justify-content: center;
}

main {
  max-width: 650px;
  width: 100%;
}

header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
}
h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 2rem;
}

p {
  margin-bottom: 1.2rem;
}

.tagline {
  font-style: italic;
  opacity: 0.8;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background-color: var(--code-bg);
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: monospace;
}

.features {
  list-style-type: none;
  padding: 0;
}

.features li::before {
  content: "— ";
  opacity: 0.5;
}

.cta-links {
  margin: 3rem 0;
  display: flex;
  gap: 1.5rem;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 4px;
}

a:hover {
  opacity: 0.7;
}

.installation {
  background-color: #ffffff;
  color: #000000;
  padding: 40px 24px;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.installation-container {
  max-width: 900px;
  margin: 0 auto;
}

.installation-header {
  margin-bottom: 24px;
}

.installation-title {
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0 0 16px 0;
}

.installation-subtitle {
  font-size: 1.125rem;
  color: #4b5563;
  line-height: 1.5;
  margin: 0;
}

.installation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
}

.method-item {
  border-left: 2px solid #000000;
  padding-left: 24px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.method-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 8px 0;
}

.method-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #6b7280;
  margin: 0;
}

.installation-footer {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid #f3f4f6;
}

.readme-link {
  color: #000000;
  font-weight: 600;
  text-underline-offset: 4px;
  transition: opacity 0.2s ease;
}

.readme-link:hover {
  opacity: 0.6;
}

@media (max-width: 640px) {
  .installation {
    padding: 60px 20px;
  }
  .installation-title {
    font-size: 1.5rem;
  }
}

footer {
  margin-top: 5rem;
  font-size: 0.85rem;
  opacity: 0.6;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.roadmap-note {
  font-size: 0.9rem;
  border-left: 2px solid var(--border);
  padding-left: 1rem;
  margin-top: 10px;
  margin-bottom: 10px;
}