:root {
  --nebula-bg: #060913;
  --nebula-panel: #11182e;
  --nebula-edge: #4456a5;
  --nebula-glow: #68d5ff;
  --text-main: #f2f6ff;
  --text-dim: #b9c3ea;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  background:
    radial-gradient(circle at 18% 12%, #223067 0, transparent 38%),
    radial-gradient(circle at 78% 10%, #16214a 0, transparent 31%),
    linear-gradient(165deg, #02040b 0%, var(--nebula-bg) 40%, #090f24 100%);
  color: var(--text-main);
  min-height: 100vh;
}
body.age-locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
.aether-header {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  background: rgba(6, 9, 19, 0.92);
  border-bottom: 1px solid rgba(104, 213, 255, 0.25);
  backdrop-filter: blur(8px);
  z-index: 50;
}
.aether-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.aether-brand img { width: 42px; height: 42px; }
.aether-menu-button {
  justify-self: end;
  background: transparent;
  border: 1px solid var(--nebula-edge);
  border-radius: 12px;
  width: 48px;
  height: 42px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0 10px;
  cursor: pointer;
}
.aether-menu-button span {
  display: block;
  height: 2px;
  background: var(--nebula-glow);
}
.aether-nav {
  grid-column: 1 / -1;
  display: none;
  flex-direction: column;
  gap: 0.4rem;
  padding-top: 0.75rem;
}
.aether-nav.open { display: flex; }
.aether-nav a {
  border: 1px solid rgba(104, 213, 255, 0.22);
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
  color: var(--text-dim);
}
.aether-nav a:hover,
.aether-nav a:focus-visible {
  color: var(--text-main);
  border-color: var(--nebula-glow);
}
main {
  width: min(1240px, 100% - 2.2rem);
  margin: 1.25rem auto 2.8rem;
  display: grid;
  gap: 1.2rem;
}
.hero-orbit,
.notice-grid article,
.game-hangar,
.utility-row article,
.doc-main,
.play-main {
  background: linear-gradient(140deg, rgba(17, 24, 46, 0.96), rgba(12, 17, 34, 0.92));
  border: 1px solid rgba(68, 86, 165, 0.45);
  border-radius: 18px;
  padding: 1.2rem;
}
.hero-orbit h1,
.play-main h1,
.doc-main h1 {
  margin-top: 0.4rem;
  margin-bottom: 0.8rem;
  font-size: clamp(1.7rem, 3.4vw, 2.8rem);
}
.eyebrow {
  display: inline-block;
  margin: 0;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: rgba(104, 213, 255, 0.18);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
}
.notice-grid {
  display: grid;
  gap: 1rem;
}
.notice-grid h2,
.game-hangar h2,
.utility-row h2 { margin-top: 0; }
.notice-grid ul { margin: 0; padding-left: 1rem; line-height: 1.7; }
.game-frame-shell {
  border: 1px solid rgba(104, 213, 255, 0.35);
  border-radius: 14px;
  overflow: hidden;
  min-height: 420px;
  background: #000;
}
.game-frame-shell.wide { min-height: 72vh; }
.game-frame-shell iframe {
  width: 100%;
  height: 100%;
  min-height: inherit;
  border: 0;
}
.utility-row {
  display: grid;
  gap: 1rem;
}
.play-main,
.doc-main { width: min(1120px, 100% - 2.2rem); margin: 1.3rem auto 2.7rem; }
.doc-main p { color: var(--text-dim); line-height: 1.7; }
.aether-footer {
  border-top: 1px solid rgba(104, 213, 255, 0.25);
  padding: 1rem 1.4rem 1.4rem;
  display: grid;
  gap: 0.7rem;
  color: var(--text-dim);
}
.aether-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}
.aether-footer a { color: #9addff; }
.age-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 4, 11, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 80;
}
.age-overlay[hidden] { display: none; }
.age-card {
  width: min(460px, 100%);
  background: #11182e;
  border: 1px solid rgba(104, 213, 255, 0.42);
  border-radius: 18px;
  padding: 1.3rem;
}
.age-card h2 { margin-top: 0; }
.age-actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}
.age-actions button {
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-weight: 700;
}
#age-yes { background: var(--nebula-glow); color: #021021; }
#age-no { background: #2b355f; color: #f2f6ff; }
@media (min-width: 860px) {
  .aether-header {
    grid-template-columns: auto 1fr;
    padding-inline: 2rem;
  }
  .aether-menu-button { display: none; }
  .aether-nav {
    grid-column: auto;
    justify-self: end;
    display: flex;
    flex-direction: row;
    padding: 0;
    gap: 0.55rem;
  }
  .aether-nav a { padding: 0.52rem 0.84rem; }
  .notice-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .utility-row { grid-template-columns: 1fr 1fr; }
}