/* Shared styling for public-web pages.
 * Minimal, professional, mobile-responsive. No frameworks.
 */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.65;
  color: #24292e;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.site {
  border-bottom: 1px solid #e1e4e8;
  padding: 20px 24px;
  background: #f6f8fa;
}

header.site .brand {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 600;
  color: #24292e;
  text-decoration: none;
}

header.site .brand .mark {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #2c5f8d, #3498db);
  border-radius: 6px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1a1f24;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 12px;
  color: #1a1f24;
}

h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 20px 0 8px;
  color: #1a1f24;
}

p, ul, ol {
  margin-bottom: 14px;
}

ul, ol {
  padding-left: 24px;
}

li {
  margin-bottom: 4px;
}

.meta {
  color: #6a737d;
  font-size: 13px;
  margin-bottom: 32px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: #f6f8fa;
  padding: 2px 6px;
  border-radius: 3px;
}

a {
  color: #2c5f8d;
  text-decoration: underline;
}

a:hover {
  color: #1a3d5c;
}

.legal {
  background: #fffbe6;
  border: 1px solid #f0d77d;
  padding: 14px 16px;
  border-radius: 6px;
  margin: 24px 0;
  font-size: 14px;
}

.nav-back {
  display: inline-block;
  font-size: 13px;
  color: #6a737d;
  margin-bottom: 16px;
  text-decoration: none;
}

.nav-back:hover { color: #2c5f8d; }

footer.site {
  border-top: 1px solid #e1e4e8;
  padding: 24px;
  text-align: center;
  color: #6a737d;
  font-size: 13px;
  background: #f6f8fa;
}

footer.site a {
  color: #6a737d;
  margin: 0 8px;
}

@media (max-width: 640px) {
  .wrap { padding: 32px 18px 64px; }
  h1 { font-size: 24px; }
  h2 { font-size: 18px; }
}