:root {
  --primary: #F9A825;
  --primary-dark: #C67900;
  --bg: #FFFFFF;
  --surface: #FAFAFA;
  --text: #1A1A1A;
  --text-secondary: #5F5F5F;
  --border: #EAEAEA;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --surface: #1C1C1C;
    --text: #F2F2F2;
    --text-secondary: #B0B0B0;
    --border: #2A2A2A;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

header .brand {
  font-size: 1.2rem;
  font-weight: 700;
}

header a {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 12px;
}

nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

nav a:hover, nav a.active {
  color: var(--primary-dark);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

h2 {
  font-size: 1.25rem;
  margin-top: 40px;
  margin-bottom: 8px;
  color: var(--text);
}

p {
  color: var(--text);
  margin: 0 0 16px;
}

.tagline {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.updated {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.badges {
  display: flex;
  gap: 12px;
  margin: 32px 0;
  flex-wrap: wrap;
}

.badges a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--primary);
  color: #1A1A1A;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

footer a {
  color: var(--text-secondary);
}