/* Styles for the page chrome AROUND the game (SEO content, header/footer).
   Kept separate from game.css/ui.css (which only style the #app game
   widget) so the game remains a portable, embeddable component. */
body { background: #05060f; }

.site-header {
  max-width: 900px;
  margin: 0 auto;
  padding: 18px 20px 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-brand {
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: #f4f8ff;
  text-decoration: none;
}
.site-brand span { color: var(--cyan, #28f0ff); }

.site-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 36px 20px 60px;
  color: rgba(244, 248, 255, 0.82);
  line-height: 1.65;
}
.site-content h1 {
  font-size: 28px;
  font-weight: 900;
  color: #f4f8ff;
  margin-bottom: 6px;
}
.site-content .tagline {
  color: rgba(244, 248, 255, 0.55);
  margin-bottom: 28px;
  font-size: 15px;
}
.site-content h2 {
  font-size: 19px;
  color: var(--cyan, #28f0ff);
  margin: 34px 0 10px;
}
.site-content p { margin: 0 0 12px; font-size: 15px; }
.site-content ul { margin: 0 0 12px; padding-left: 20px; list-style: disc; }
.site-content li { margin-bottom: 6px; font-size: 15px; }
.site-content strong { color: #f4f8ff; }

.ad-slot {
  max-width: 760px;
  margin: 24px auto;
  padding: 10px;
  text-align: center;
  color: rgba(244, 248, 255, 0.3);
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px dashed rgba(139, 91, 255, 0.25);
  border-radius: 10px;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  text-align: center;
  font-size: 12px;
  color: rgba(244, 248, 255, 0.35);
}
.site-footer a { color: rgba(244, 248, 255, 0.5); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--cyan, #28f0ff);
  color: #05060f;
  padding: 10px 16px;
  z-index: 100;
  font-weight: 700;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--cyan, #28f0ff);
  outline-offset: 2px;
}