:root {
  --bg: #ffffff;
  --bg-elevated: #f4f5f7;
  --text: #14161a;
  --text-secondary: #5b616e;
  --accent: #3c6ff0;
  --border: #e3e5e9;
  --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0e10;
    --bg-elevated: #1a1c20;
    --text: #f3f4f6;
    --text-secondary: #a3a9b5;
    --accent: #6f9bff;
    --border: #2a2d33;
  }
}

* {
  box-sizing: border-box;
}

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

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
}

.logo-badge {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

header.site a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
}

h1 {
  font-size: 34px;
  line-height: 1.2;
  margin: 0 0 12px;
}

h2 {
  font-size: 22px;
  margin: 40px 0 12px;
}

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

.lead {
  font-size: 18px;
  color: var(--text);
}

a {
  color: var(--accent);
}

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

.button {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.button.primary {
  background: var(--text);
  color: var(--bg);
}

.button.secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}

.features {
  display: grid;
  gap: 16px;
  margin: 32px 0;
}

.feature {
  padding: 20px;
  border-radius: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.feature p {
  margin: 0;
  font-size: 14px;
}

footer.site {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

ul {
  color: var(--text-secondary);
}

.updated {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}