.orbit-page {
  width: min(var(--max), calc(100% - 44px));
  margin-inline: auto;
  padding: clamp(32px, 6vw, 72px) 0 84px;
}

.orbit-hero {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(260px, 360px);
  gap: clamp(26px, 5vw, 64px);
  align-items: end;
  padding-bottom: 28px;
}

.orbit-hero h1 {
  max-width: 720px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(42px, 7vw, 78px);
  font-weight: 590;
  letter-spacing: 0;
  line-height: 1.02;
}

.orbit-hero p {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
}

.orbit-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(280px, 360px);
  gap: 18px;
  align-items: stretch;
}

.orbit-stage,
.orbit-side {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 46px rgba(18, 24, 32, 0.07);
}

.orbit-stage {
  position: relative;
  overflow: hidden;
}

.orbit-hud {
  position: absolute;
  z-index: 3;
  top: 14px;
  right: 14px;
  left: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.orbit-hud article {
  display: grid;
  gap: 3px;
  border: 1px solid rgba(30, 106, 120, 0.14);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
}

.orbit-hud span,
.panel-heading span,
.orbit-rules span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.orbit-hud strong {
  color: var(--teal);
  font-size: clamp(19px, 2vw, 28px);
  line-height: 1;
}

#orbitCanvas {
  display: block;
  width: 100%;
  min-height: 540px;
  background:
    radial-gradient(circle at 50% 50%, rgba(32, 178, 170, 0.13), transparent 32%),
    linear-gradient(135deg, #fbfdfd, #edf5f4);
  cursor: crosshair;
}

.orbit-overlay {
  position: absolute;
  z-index: 4;
  inset: auto 20px 20px 20px;
  display: grid;
  gap: 6px;
  border: 1px solid rgba(30, 106, 120, 0.18);
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
}

.orbit-overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.orbit-overlay span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.orbit-overlay strong {
  color: var(--ink);
  font-size: 26px;
}

.orbit-overlay p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.orbit-side {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 22px;
}

.panel-heading {
  display: grid;
  gap: 5px;
}

.panel-heading strong {
  color: var(--ink);
  font-size: 20px;
}

.orbit-actions,
.touch-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.touch-controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.touch-controls button {
  min-height: 48px;
  border: 1px solid rgba(30, 106, 120, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--teal);
  font-weight: 760;
}

.touch-controls button:active,
.touch-controls button.is-held {
  background: rgba(32, 178, 170, 0.14);
}

.orbit-rules {
  display: grid;
  gap: 10px;
}

.orbit-rules article {
  border: 1px solid rgba(18, 24, 32, 0.1);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.58);
}

.orbit-rules p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

@media (max-width: 900px) {
  .orbit-page {
    width: min(100% - 28px, var(--max));
  }

  .orbit-hero,
  .orbit-layout {
    grid-template-columns: 1fr;
  }

  #orbitCanvas {
    min-height: 430px;
  }

  .orbit-hud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .touch-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}