/* Shared stylesheet for the static content pages. */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: linear-gradient(135deg, #0a0a1a 0%, #000 100%);
  min-height: 100vh;
  color: #c5cee0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
}

.site-nav {
  position: sticky;
  top: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #222244;
  z-index: 10;
}
.site-nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.site-nav .logo {
  color: #00ccff;
  font-weight: bold;
  font-size: 20px;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-shadow: 0 0 14px rgba(0, 204, 255, 0.5);
}
.site-nav ul { display: flex; gap: 18px; list-style: none; flex-wrap: wrap; }
.site-nav a { color: #6688aa; text-decoration: none; font-size: 14px; }
.site-nav a:hover { color: #00ccff; }

.page-hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 8px;
  text-align: center;
}
.page-hero h1 {
  color: #fff;
  font-size: clamp(26px, 5vw, 38px);
  letter-spacing: 0.03em;
  text-shadow: 0 0 24px rgba(0, 204, 255, 0.35);
}
.page-hero .sub { color: #7a86a0; margin-top: 10px; font-size: 15px; }

main.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 20px 80px;
}
.content h2 { color: #e8ecf5; margin: 34px 0 10px; font-size: 21px; }
.content p, .content li { color: #aab4c8; font-size: 15px; margin-bottom: 10px; }
.content ul, .content ol { padding-left: 22px; margin-bottom: 14px; }
.content a { color: #00ccff; }
.content .card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 200, 255, 0.15);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 18px 0;
}
.content kbd {
  background: #131a2e;
  border: 1px solid #2a3654;
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 7px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: #cfe3ff;
}
.cta {
  display: inline-block;
  margin: 22px 0;
  background: linear-gradient(90deg, #00ccff, #0088bb);
  color: #001018;
  font-weight: bold;
  padding: 12px 30px;
  border-radius: 10px;
  text-decoration: none;
  letter-spacing: 0.05em;
}
.cta:hover { filter: brightness(1.15); }

.site-foot {
  border-top: 1px solid #222244;
  padding: 18px;
  text-align: center;
  font-size: 12px;
  color: #556;
}
.site-foot a { color: #6688aa; text-decoration: none; margin: 0 10px; }