.chess-hero {
  position: relative;
  padding: 100px 24px 60px;
  background: var(--mg-cosmic-deep);
  overflow: hidden;
}

.chess-hero__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(12, 79, 141, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.chess-hero__inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.chess-hero__back {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

.chess-hero__back:hover {
  color: #fff;
}

.chess-hero__eyebrow {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--mg-blue);
  margin-bottom: 16px;
}

.chess-hero__title {
  font-family: 'Inter Tight', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
}

.chess-hero__lede {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}

.chess-body {
  background: var(--mg-canvas-light);
  padding: 48px 24px 80px;
}

.chess-body__inner {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.chess-card {
  background: #fff;
  border: 1px solid var(--mg-hairline-light);
  border-radius: 16px;
  padding: 28px;
}

.chess-card__header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.chess-card__accent {
  width: 4px;
  height: 40px;
  border-radius: 2px;
  flex-shrink: 0;
  margin-top: 2px;
}

.chess-card__accent--blue { background: var(--mg-blue); }
.chess-card__accent--green { background: var(--mg-green); }
.chess-card__accent--red { background: var(--mg-red); }

.chess-card__eyebrow {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.chess-card__eyebrow--blue { color: var(--mg-blue); }
.chess-card__eyebrow--green { color: var(--mg-green); }
.chess-card__eyebrow--red { color: var(--mg-red); }

.chess-card__title {
  font-family: 'Inter Tight', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--mg-ink);
  margin: 0 0 4px;
}

.chess-card__desc {
  font-size: 0.9rem;
  color: #555;
  margin: 0;
}

.variant-display {
  border: 1px solid var(--mg-hairline-light);
  border-radius: 12px;
  padding: 20px;
  background: var(--mg-canvas-light);
  margin-bottom: 12px;
}

.variant-display__name {
  font-family: 'Inter Tight', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--mg-ink);
  margin-bottom: 8px;
}

.variant-display__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: #666;
}

.variant-display__meta span {
  font-family: 'JetBrains Mono', monospace;
}

.rules-ref {
  margin-top: 16px;
}

.rules-ref__grid {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 8px 16px;
  font-size: 0.9rem;
}

.rules-ref__label {
  font-weight: 600;
  color: var(--mg-ink);
}

.rules-ref__value {
  color: #555;
}

.match-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.match-form__row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.match-form__label {
  font-size: 0.85rem;
  color: #666;
  min-width: 80px;
}

.match-form__select {
  padding: 8px 16px;
  border: 1px solid var(--mg-hairline-light);
  border-radius: 9999px;
  font-size: 0.9rem;
  background: #fff;
  outline: none;
}

.match-form__select:focus {
  border-color: var(--mg-blue);
}

.match-form__input {
  padding: 8px 16px;
  border: 1px solid var(--mg-hairline-light);
  border-radius: 9999px;
  font-size: 0.9rem;
  background: #fff;
  outline: none;
  flex: 1;
}

.match-form__input:focus {
  border-color: var(--mg-blue);
}

.match-ready {
  border: 1px solid var(--mg-green);
  border-radius: 12px;
  padding: 16px 20px;
  background: rgba(58, 153, 40, 0.05);
  margin-top: 12px;
}

.match-ready__title {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 600;
  color: var(--mg-green);
  margin-bottom: 8px;
}

.match-ready__detail {
  font-size: 0.9rem;
  color: #555;
  margin: 4px 0;
}

.chess-board-live {
  display: none;
  background: #fff;
  border: 1px solid var(--mg-hairline-light);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
}

.chess-board-live svg {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.chess-embed--hidden {
  display: none;
}

.chess-embed {
  background: #fff;
  border: 1px solid var(--mg-hairline-light);
  border-radius: 16px;
  padding: 28px;
}

.chess-embed__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--mg-hairline-light);
}

.chess-embed__title {
  font-family: var(--mg-font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--mg-ink);
  margin: 0;
}

.chess-embed__meta {
  font-family: var(--mg-font-mono);
  font-size: 12px;
  color: var(--mg-stone);
  display: flex;
  gap: 12px;
}

.chess-embed__iframe {
  width: 100%;
  border: none;
  border-radius: 8px;
  background: #fff;
  display: block;
}

.chess-engine-band {
  background: var(--mg-cosmic-deep);
  color: #fff;
  padding: 80px 32px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.chess-engine-band__hex {
  position: absolute;
  inset: 0;
  background-image: url('../../img/hex-grid-blue.svg');
  background-size: 56px 64px;
  opacity: 0.06;
  pointer-events: none;
  animation: hexFloat 30s linear infinite;
}

.chess-engine-band__inner {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.chess-engine-band__heading {
  font-family: var(--mg-font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.chess-engine-band__body {
  font-family: var(--mg-font-body);
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 36px;
}

.chess-engine-band__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.chess-engine-band__usp {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
}

.chess-engine-band__usp-num {
  font-family: var(--mg-font-display);
  font-weight: 700;
  font-size: 28px;
  color: var(--mg-cosmic-glow);
}

.chess-engine-band__usp-label {
  font-family: var(--mg-font-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.3px;
}

.chess-engine-band__btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .chess-card { padding: 20px; text-align: center; }
  .chess-card__header { flex-direction: column; align-items: center; text-align: center; }
  .chess-card__accent { display: none; }
  .rules-ref__grid { grid-template-columns: 1fr; gap: 4px 0; }
  .rules-ref__label { margin-top: 8px; }
  .match-form__row { flex-direction: column; align-items: stretch; gap: 6px; }
  .match-form__label { min-width: unset; }
  .chess-engine-band { padding: 56px 20px; }
  .chess-engine-band__grid { grid-template-columns: 1fr 1fr; }
}