:root{
  --chess-bg:#fbfbfc;
  --chess-surface:#ffffff;
  --chess-ink:#0f172a;
  --chess-muted:#475569;
  --chess-soft:#64748b;
  --chess-line:rgba(15,23,42,.10);
  --chess-line2:rgba(15,23,42,.14);
  --chess-accent:#c81e1e;
  --chess-accent2:#111827;
  --chess-warm:#fff4f4;
  --chess-radius:18px;
  --chess-radius2:26px;
  --chess-shadow:0 18px 60px rgba(15,23,42,.08);
  --chess-shadow2:0 10px 26px rgba(15,23,42,.08);
  --chess-max:1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Apple Color Emoji","Segoe UI Emoji";
  color:var(--chess-ink);
  background:
    radial-gradient(900px 520px at 18% 10%, rgba(200,30,30,.10), transparent 60%),
    radial-gradient(760px 520px at 88% 16%, rgba(15,23,42,.06), transparent 55%),
    var(--chess-bg);
  line-height:1.55;
}

img{max-width:100%;display:block}
a{color:inherit}

.chess-body{min-height:100%}

.chess-skip{
  position:absolute;
  left:-999px;
  top:10px;
  background:var(--chess-surface);
  border:1px solid var(--chess-line2);
  padding:10px 12px;
  border-radius:12px;
  box-shadow:var(--chess-shadow2);
  z-index:1000;
}
.chess-skip:focus{left:10px}

.chess-shell{
  width:min(var(--chess-max), calc(100% - 40px));
  margin:0 auto;
}

.chess-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(251,251,252,.72);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--chess-line);
}
.chess-header__grid{
  display:grid;
  grid-template-columns: 1fr auto;
  gap:16px;
  align-items:center;
  padding:14px 0;
}

.chess-brand__link{
  display:flex;
  gap:12px;
  align-items:center;
  text-decoration:none;
}
.chess-brand__mark{
  width:40px;height:40px;border-radius:14px;
  background:
    linear-gradient(135deg, rgba(200,30,30,.18), rgba(15,23,42,.06)),
    radial-gradient(14px 14px at 30% 30%, rgba(200,30,30,.55), transparent 60%),
    radial-gradient(16px 16px at 70% 70%, rgba(15,23,42,.20), transparent 60%),
    var(--chess-surface);
  border:1px solid var(--chess-line2);
  box-shadow:var(--chess-shadow2);
}
.chess-brand__text{display:flex;flex-direction:column}
.chess-brand__name{font-weight:800;letter-spacing:-.02em}
.chess-brand__tag{font-size:12px;color:var(--chess-muted)}

.chess-nav{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.chess-nav__link{
  text-decoration:none;
  font-size:13px;
  color:var(--chess-muted);
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.chess-nav__link:hover{
  color:var(--chess-ink);
  border-color:var(--chess-line);
  background:rgba(255,255,255,.65);
}
.chess-nav__link--cta{
  color:var(--chess-ink);
  border-color:var(--chess-line2);
  background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.72));
  box-shadow:var(--chess-shadow2);
}

.chess-main{padding-bottom:44px}

.chess-hero{
  padding:44px 0 10px;
}
.chess-hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:26px;
  align-items:stretch;
}
.chess-hero__content{
  padding:24px;
  border-radius:var(--chess-radius2);
  border:1px solid var(--chess-line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
  box-shadow:var(--chess-shadow);
  position:relative;
  overflow:hidden;
}
.chess-hero__content:before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(520px 220px at 20% 0%, rgba(200,30,30,.14), transparent 60%),
    radial-gradient(520px 220px at 90% 20%, rgba(15,23,42,.08), transparent 60%);
  pointer-events:none;
}
.chess-hero__content > *{position:relative}

.chess-kicker{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  color:var(--chess-soft);
  font-size:12px;
  letter-spacing:.02em;
}
.chess-kicker__chip{
  background:rgba(255,255,255,.85);
  border:1px solid var(--chess-line);
  border-radius:999px;
  padding:6px 10px;
}
.chess-kicker__dot{
  width:5px;height:5px;border-radius:50%;
  background:rgba(200,30,30,.45);
}

.chess-hero__title{
  margin:14px 0 10px;
  font-size:44px;
  line-height:1.08;
  letter-spacing:-.03em;
}
.chess-hero__lead{
  margin:0 0 16px;
  color:var(--chess-muted);
  font-size:16px;
  max-width:58ch;
}

.chess-hero__actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:14px 0 18px;
}

.chess-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  text-decoration:none;
  border-radius:14px;
  padding:11px 14px;
  border:1px solid var(--chess-line2);
  background:rgba(255,255,255,.88);
  box-shadow:var(--chess-shadow2);
  color:var(--chess-ink);
  font-weight:700;
  font-size:14px;
}
.chess-btn--primary{
  border-color:rgba(200,30,30,.28);
  background:
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72)),
    radial-gradient(22px 22px at 20% 30%, rgba(200,30,30,.32), transparent 60%);
}
.chess-btn--ghost{
  background:transparent;
  box-shadow:none;
  color:var(--chess-muted);
}
.chess-btn--ghost:hover{color:var(--chess-ink);background:rgba(255,255,255,.55);box-shadow:var(--chess-shadow2)}
.chess-btn--wide{width:100%}

.chess-hero__meta{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
  margin-top:8px;
}
.chess-metaCard{
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.72);
  border-radius:16px;
  padding:12px 12px;
}
.chess-metaCard__label{
  font-size:12px;
  color:var(--chess-soft);
  letter-spacing:.02em;
}
.chess-metaCard__value{
  font-weight:800;
  letter-spacing:-.01em;
  margin-top:4px;
}

.chess-hero__art{
  display:grid;
  grid-template-rows:auto auto 1fr;
  gap:12px;
  align-content:start;
}
.chess-artCard{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.78);
  box-shadow:var(--chess-shadow2);
  overflow:hidden;
}
.chess-artCard__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 14px 10px;
  gap:10px;
}
.chess-artCard__badge{
  font-weight:800;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(200,30,30,.22);
  background:rgba(255,244,244,.9);
}
.chess-artCard__line{
  height:1px;
  flex:1;
  background:linear-gradient(90deg, rgba(200,30,30,.25), rgba(15,23,42,.10), transparent);
}
.chess-artCard__mid{padding:0 14px 12px}
.chess-artCard__bot{
  border-top:1px solid var(--chess-line);
  padding:12px 14px 14px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.chess-artCard__pill{
  font-size:12px;
  color:var(--chess-muted);
  padding:6px 10px;
  border:1px solid var(--chess-line);
  border-radius:999px;
  background:rgba(255,255,255,.72);
}

.chess-artBoard{
  border:1px solid var(--chess-line2);
  border-radius:18px;
  background:
    radial-gradient(280px 140px at 30% 20%, rgba(200,30,30,.10), transparent 55%),
    rgba(255,255,255,.88);
  padding:10px;
}
.chess-artBoard__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
.chess-artBoard__sq{
  aspect-ratio:1/1;
  border-radius:10px;
  border:1px solid var(--chess-line);
  background:linear-gradient(180deg, rgba(15,23,42,.04), rgba(15,23,42,.02));
}
.chess-artBoard__sq:nth-child(odd){
  background:linear-gradient(180deg, rgba(200,30,30,.08), rgba(200,30,30,.03));
}

.chess-artStats{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:12px;
}
.chess-artStat{
  border:1px solid var(--chess-line);
  border-radius:16px;
  padding:10px 10px;
  background:rgba(255,255,255,.7);
}
.chess-artStat__k{font-size:12px;color:var(--chess-soft)}
.chess-artStat__v{font-weight:900;margin-top:4px}

.chess-artQuote{
  border:1px solid var(--chess-line);
  border-radius:18px;
  background:rgba(255,255,255,.84);
  padding:12px 12px;
  position:relative;
}
.chess-artQuote__mark{
  width:10px;height:10px;border-radius:50%;
  background:rgba(200,30,30,.55);
  box-shadow:0 0 0 6px rgba(200,30,30,.12);
  margin-bottom:10px;
}
.chess-artQuote__text{font-weight:900;letter-spacing:-.02em}
.chess-artQuote__sub{color:var(--chess-muted);font-size:13px;margin-top:4px}

.chess-miniList{display:flex;flex-direction:column;gap:8px}
.chess-miniList__row{
  display:flex;align-items:center;gap:10px;
  color:var(--chess-muted);
  font-size:13px;
}
.chess-miniList__dot{
  width:8px;height:8px;border-radius:50%;
  background:rgba(15,23,42,.18);
  box-shadow:0 0 0 5px rgba(15,23,42,.06);
}

.chess-hero__media{
  position:relative;
  border-radius:var(--chess-radius2);
  overflow:hidden;
  border:1px solid var(--chess-line);
  box-shadow:var(--chess-shadow2);
  background:rgba(255,255,255,.75);
}
.chess-hero__img{width:100%;height:100%;object-fit:cover;min-height:260px}
.chess-hero__mediaFrame{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.0)),
    radial-gradient(420px 220px at 20% 20%, rgba(200,30,30,.16), transparent 60%),
    radial-gradient(420px 220px at 90% 40%, rgba(15,23,42,.10), transparent 60%);
  pointer-events:none;
}

.chess-section{padding:44px 0}
.chess-section--alt{
  background:linear-gradient(180deg, rgba(255,255,255,.0), rgba(255,255,255,.45), rgba(255,255,255,.0));
  border-top:1px solid rgba(15,23,42,.05);
  border-bottom:1px solid rgba(15,23,42,.05);
}
.chess-section__head{
  display:grid;
  gap:8px;
  margin-bottom:18px;
}
.chess-section__eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(200,30,30,.88);
  font-weight:900;
}
.chess-section__title{
  margin:0;
  font-size:30px;
  letter-spacing:-.02em;
  line-height:1.15;
}
.chess-section__sub{
  margin:0;
  color:var(--chess-muted);
  max-width:72ch;
}

.chess-split{
  display:grid;
  grid-template-columns: 1fr 1.15fr;
  gap:18px;
  align-items:start;
}
.chess-callout{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  padding:16px;
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
}
.chess-callout__cap{
  font-size:12px;
  color:var(--chess-soft);
  letter-spacing:.08em;
  text-transform:uppercase;
}
.chess-callout__title{
  margin-top:8px;
  font-weight:950;
  font-size:20px;
  letter-spacing:-.02em;
}
.chess-callout__text{
  margin:8px 0 12px;
  color:var(--chess-muted);
}
.chess-callout__tags{display:flex;gap:8px;flex-wrap:wrap}

.chess-tag{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.70);
  color:var(--chess-muted);
  font-size:12px;
  font-weight:700;
}

.chess-note{
  margin-top:12px;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:12px;
  padding:14px;
  border-radius:var(--chess-radius2);
  border:1px solid rgba(200,30,30,.18);
  background:var(--chess-warm);
}
.chess-note__icon{
  width:38px;height:38px;border-radius:14px;
  background:
    radial-gradient(14px 14px at 30% 30%, rgba(200,30,30,.55), transparent 60%),
    rgba(255,255,255,.80);
  border:1px solid rgba(200,30,30,.20);
}
.chess-note__title{font-weight:900}
.chess-note__text{color:var(--chess-muted);margin-top:2px}

.chess-gridCards{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:12px;
}
.chess-card{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  padding:14px;
}
.chess-card__top{
  display:flex;
  align-items:center;
  gap:12px;
  justify-content:space-between;
}
.chess-card__icon{
  width:38px;height:38px;border-radius:14px;
  border:1px solid var(--chess-line2);
  background:rgba(15,23,42,.04);
}
.chess-card__icon--a{background:radial-gradient(16px 16px at 30% 30%, rgba(200,30,30,.45), transparent 60%), rgba(15,23,42,.04)}
.chess-card__icon--b{background:radial-gradient(16px 16px at 70% 30%, rgba(15,23,42,.20), transparent 60%), rgba(15,23,42,.04)}
.chess-card__icon--c{background:radial-gradient(16px 16px at 40% 70%, rgba(200,30,30,.28), transparent 60%), rgba(15,23,42,.04)}
.chess-card__icon--d{background:radial-gradient(16px 16px at 60% 60%, rgba(15,23,42,.16), transparent 60%), rgba(15,23,42,.04)}

.chess-card__meta{display:flex;flex-direction:column;align-items:flex-end}
.chess-card__k{font-size:11px;color:var(--chess-soft);letter-spacing:.08em;text-transform:uppercase}
.chess-card__v{font-weight:900}
.chess-card__title{margin-top:10px;font-weight:950;letter-spacing:-.02em}
.chess-card__text{margin:6px 0 0;color:var(--chess-muted);font-size:14px}

.chess-divider{
  height:1px;
  margin:14px 0;
  background:linear-gradient(90deg, transparent, rgba(15,23,42,.16), transparent);
}
.chess-miniCta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 14px;
  border-radius:var(--chess-radius2);
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.70);
}
.chess-miniCta__text{color:var(--chess-muted)}
.chess-miniCta__sub{display:block;color:var(--chess-soft);font-size:12px;margin-top:3px}
.chess-miniCta__link{
  text-decoration:none;
  font-weight:900;
  color:var(--chess-ink);
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--chess-line2);
  background:rgba(255,255,255,.88);
  box-shadow:var(--chess-shadow2);
}

.chess-steps{display:grid;gap:12px}
.chess-step{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:14px;
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  padding:14px;
}
.chess-step__rail{display:flex;flex-direction:column;align-items:center;gap:10px;padding:6px 6px}
.chess-step__num{
  width:34px;height:34px;border-radius:14px;
  display:grid;place-items:center;
  font-weight:950;
  border:1px solid rgba(200,30,30,.24);
  background:rgba(255,244,244,.9);
}
.chess-step__line{
  width:2px;
  flex:1;
  background:linear-gradient(180deg, rgba(200,30,30,.35), rgba(15,23,42,.10));
  border-radius:2px;
}
.chess-step__top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.chess-step__title{font-weight:950;letter-spacing:-.02em}
.chess-step__label{color:var(--chess-soft);font-size:12px}
.chess-step__text{margin:8px 0 10px;color:var(--chess-muted)}
.chess-step__chips{display:flex;gap:8px;flex-wrap:wrap}
.chess-chip{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.70);
  color:var(--chess-muted);
  font-weight:700;
}
.chess-step__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
.chess-miniCard{
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.72);
  border-radius:16px;
  padding:10px;
}
.chess-miniCard__k{font-size:11px;color:var(--chess-soft);letter-spacing:.08em;text-transform:uppercase}
.chess-miniCard__v{margin-top:4px;font-weight:900;letter-spacing:-.01em}

.chess-alert{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:10px;
  border-radius:16px;
  border:1px solid rgba(15,23,42,.12);
  background:rgba(15,23,42,.03);
  padding:10px 10px;
}
.chess-alert__icon{
  width:34px;height:34px;border-radius:14px;
  border:1px solid rgba(15,23,42,.14);
  background:radial-gradient(12px 12px at 50% 45%, rgba(15,23,42,.18), transparent 60%), rgba(255,255,255,.6);
}
.chess-alert__text{color:var(--chess-muted);font-weight:650}

.chess-band{
  margin-top:14px;
  border:1px solid rgba(200,30,30,.18);
  background:linear-gradient(180deg, rgba(255,244,244,.92), rgba(255,244,244,.55));
  border-radius:var(--chess-radius2);
  padding:16px;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:12px;
  align-items:center;
}
.chess-band__title{font-weight:950;letter-spacing:-.02em}
.chess-band__text{color:var(--chess-muted);margin-top:4px}
.chess-band__right{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}

.chess-modeGrid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}
.chess-mode{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  padding:14px;
  position:relative;
  overflow:hidden;
}
.chess-mode__top{display:flex;flex-direction:column;gap:8px}
.chess-mode__badge{
  align-self:flex-start;
  font-weight:900;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.72);
  color:var(--chess-muted);
}
.chess-mode__badge--ink{
  border-color:rgba(200,30,30,.22);
  background:rgba(255,244,244,.9);
  color:var(--chess-ink);
}
.chess-mode__title{font-weight:950;letter-spacing:-.02em;font-size:18px}
.chess-mode__text{margin:8px 0 12px;color:var(--chess-muted)}
.chess-mode__list{display:flex;flex-direction:column;gap:8px}
.chess-mode__row{display:flex;gap:10px;align-items:center;color:var(--chess-muted);font-size:13px}
.chess-mode__tick{
  width:10px;height:10px;border-radius:3px;
  background:rgba(200,30,30,.30);
  border:1px solid rgba(200,30,30,.35);
}
.chess-mode--accent:before{
  content:"";
  position:absolute;
  inset:-2px;
  background:radial-gradient(420px 220px at 30% 10%, rgba(200,30,30,.14), transparent 60%);
  pointer-events:none;
}
.chess-mode__meter{
  border:1px solid var(--chess-line);
  border-radius:16px;
  background:rgba(255,255,255,.72);
  padding:10px;
}
.chess-mode__bar{
  height:10px;border-radius:999px;
  background:linear-gradient(90deg, rgba(200,30,30,.45), rgba(15,23,42,.12));
  border:1px solid rgba(15,23,42,.10);
}
.chess-mode__dots{display:flex;gap:8px;justify-content:space-between;margin-top:10px}
.chess-mode__dot{
  width:10px;height:10px;border-radius:50%;
  background:rgba(15,23,42,.12);
  border:1px solid rgba(15,23,42,.12);
}

.chess-progress{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:12px;
}
.chess-progress__panel{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  padding:16px;
}
.chess-progress__cap{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(200,30,30,.88);
  font-weight:900;
}
.chess-progress__grid{
  margin-top:12px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
.chess-check{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:10px;
  padding:12px;
  border-radius:18px;
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.70);
}
.chess-check__box{
  width:18px;height:18px;border-radius:6px;
  border:1px solid rgba(15,23,42,.18);
  background:rgba(15,23,42,.04);
  margin-top:2px;
}
.chess-check__k{font-weight:950;letter-spacing:-.01em}
.chess-check__v{color:var(--chess-muted);font-size:13px;margin-top:2px}

.chess-progress__footer{
  margin-top:12px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  align-items:center;
  border-top:1px solid var(--chess-line);
  padding-top:12px;
}
.chess-progress__hint{color:var(--chess-muted);max-width:62ch}
.chess-progress__link{
  text-decoration:none;
  font-weight:950;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--chess-line2);
  background:rgba(255,255,255,.88);
  box-shadow:var(--chess-shadow2);
}

.chess-progress__aside{display:grid;gap:12px}
.chess-asideCard{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  overflow:hidden;
}
.chess-asideCard__top{
  padding:14px 14px 10px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.chess-asideCard__badge{
  align-self:flex-start;
  font-weight:900;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(200,30,30,.20);
  background:rgba(255,244,244,.9);
}
.chess-asideCard__badge--soft{
  border-color:rgba(15,23,42,.14);
  background:rgba(15,23,42,.04);
}
.chess-asideCard__title{font-weight:950;letter-spacing:-.02em}
.chess-asideCard__body{
  padding:0 14px 14px;
  display:grid;
  gap:10px;
}
.chess-asideCard__step{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:10px;
  padding:10px;
  border-radius:16px;
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.70);
}
.chess-asideCard__n{
  width:26px;height:26px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:950;
  border:1px solid rgba(15,23,42,.14);
  background:rgba(15,23,42,.04);
}
.chess-asideCard__t{color:var(--chess-muted);font-weight:750}
.chess-asideCard__bot{
  border-top:1px solid var(--chess-line);
  padding:12px 14px 14px;
}
.chess-asideCard__note{color:var(--chess-muted);font-size:13px}
.chess-asideCard__p{margin:0;color:var(--chess-muted)}
.chess-asideCard--soft{
  background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.70));
}

.chess-inlineCode{
  font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  font-size:12.5px;
  padding:2px 6px;
  border-radius:8px;
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.75);
  color:var(--chess-ink);
}

.chess-gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}
.chess-shot{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  overflow:hidden;
}
.chess-shot__img{width:100%;height:260px;object-fit:cover}
.chess-shot__cap{
  display:flex;
  justify-content:space-between;
  gap:10px;
  padding:12px 14px 14px;
  border-top:1px solid var(--chess-line);
}
.chess-shot__k{font-weight:950}
.chess-shot__v{color:var(--chess-muted)}

.chess-cta{margin-top:14px}
.chess-cta__panel{
  border:1px solid rgba(200,30,30,.18);
  background:linear-gradient(180deg, rgba(255,244,244,.92), rgba(255,244,244,.58));
  border-radius:var(--chess-radius2);
  padding:16px;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:12px;
  align-items:center;
}
.chess-cta__eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(200,30,30,.88);
  font-weight:900;
}
.chess-cta__title{font-weight:950;font-size:20px;letter-spacing:-.02em;margin-top:6px}
.chess-cta__text{color:var(--chess-muted);margin-top:4px}
.chess-cta__right{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}

.chess-faq{display:grid;gap:10px}
.chess-faqItem{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  overflow:hidden;
}
.chess-faqItem__q{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 14px;
}
.chess-faqItem__q::-webkit-details-marker{display:none}
.chess-faqItem__qText{font-weight:950;letter-spacing:-.01em}
.chess-faqItem__chev{
  width:34px;height:34px;border-radius:14px;
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.70);
  position:relative;
}
.chess-faqItem__chev:before,.chess-faqItem__chev:after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:12px;height:2px;
  background:rgba(15,23,42,.44);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.chess-faqItem__chev:after{
  transform:translate(-50%,-50%) rotate(90deg);
}
.chess-faqItem[open] .chess-faqItem__chev:after{opacity:0}
.chess-faqItem__a{
  padding:0 14px 14px;
  color:var(--chess-muted);
  border-top:1px solid var(--chess-line);
}

.chess-bottomLinks{
  margin-top:18px;
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  color:var(--chess-muted);
}
.chess-bottomLinks__link{
  text-decoration:none;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.chess-bottomLinks__link:hover{
  border-color:var(--chess-line);
  background:rgba(255,255,255,.65);
  color:var(--chess-ink);
}
.chess-bottomLinks__sep{
  width:6px;height:6px;border-radius:50%;
  background:rgba(15,23,42,.18);
  align-self:center;
}

.chess-legal{padding:44px 0}
.chess-legal__head{display:grid;gap:8px;margin-bottom:18px}
.chess-legal__eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(200,30,30,.88);
  font-weight:900;
}
.chess-legal__title{margin:0;font-size:38px;letter-spacing:-.03em;line-height:1.10}
.chess-legal__sub{margin:0;color:var(--chess-muted);max-width:80ch}
.chess-legal__grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:12px;
}
.chess-legalCard{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  padding:16px;
}
.chess-legalCard--wide{grid-column:1 / -1}
.chess-legalCard__title{margin:0 0 8px;font-weight:950;letter-spacing:-.02em}
.chess-legalCard__text{margin:0;color:var(--chess-muted)}
.chess-legalCard__note{
  margin-top:12px;
  padding:10px 12px;
  border-radius:16px;
  border:1px solid var(--chess-line);
  background:rgba(255,255,255,.70);
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.chess-legalCard__noteK{font-weight:950}
.chess-legalCard__noteV{color:var(--chess-muted)}
.chess-legalCard__links{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}
.chess-legalCard__link{
  text-decoration:none;
  font-weight:900;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--chess-line2);
  background:rgba(255,255,255,.88);
  box-shadow:var(--chess-shadow2);
}
.chess-legal__foot{margin-top:14px;display:flex;justify-content:flex-end}
.chess-legal__footNote{
  color:var(--chess-soft);
  font-size:12px;
  padding:8px 10px;
  border:1px solid var(--chess-line);
  border-radius:12px;
  background:rgba(255,255,255,.65);
}

.chess-contact{padding:44px 0}
.chess-contact__head{display:grid;gap:8px;margin-bottom:18px}
.chess-contact__eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(200,30,30,.88);
  font-weight:900;
}
.chess-contact__title{margin:0;font-size:38px;letter-spacing:-.03em;line-height:1.10}
.chess-contact__sub{margin:0;color:var(--chess-muted);max-width:80ch}
.chess-contact__grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:12px;
  align-items:start;
}
.chess-contactCard{
  border:1px solid var(--chess-line);
  border-radius:var(--chess-radius2);
  background:rgba(255,255,255,.82);
  box-shadow:var(--chess-shadow2);
  overflow:hidden;
}
.chess-contactCard__top{padding:14px 14px 10px;display:flex;flex-direction:column;gap:8px}
.chess-contactCard__badge{
  align-self:flex-start;
  font-weight:900;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(200,30,30,.20);
  background:rgba(255,244,244,.9);
}
.chess-contactCard__badge--soft{
  border-color:rgba(15,23,42,.14);
  background:rgba(15,23,42,.04);
}
.chess-contactCard__title{font-weight:950;letter-spacing:-.02em}
.chess-contactCard__body{padding:0 14px 14px;display:grid;gap:10px}
.chess-contactLine{
  border:1px solid var(--chess-line);
  border-radius:16px;
  background:rgba(255,255,255,.70);
  padding:10px 12px;
  display:grid;
  grid-template-columns: 120px 1fr;
  gap:10px;
}
.chess-contactLine__k{color:var(--chess-soft);font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:900}
.chess-contactLine__v{color:var(--chess-muted);font-weight:650}
.chess-contactCard__bot{
  border-top:1px solid var(--chess-line);
  padding:12px 14px 14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.chess-contactCard__p{margin:0;color:var(--chess-muted)}
.chess-contactCard__mini{
  border:1px solid var(--chess-line);
  border-radius:16px;
  background:rgba(255,255,255,.70);
  padding:10px 12px;
}
.chess-contactCard__miniK{font-weight:950}
.chess-contactCard__miniV{color:var(--chess-muted);margin-top:4px}
.chess-contactCard--soft{
  background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.70));
}

.chess-footer{
  border-top:1px solid var(--chess-line);
  padding:18px 0 22px;
  background:rgba(255,255,255,.55);
}
.chess-footer__grid{
  display:grid;
  grid-template-columns: 1fr auto;
  gap:14px;
  align-items:start;
}
.chess-footer__brand{
  display:flex;
  gap:10px;
  align-items:center;
}
.chess-footer__mark{
  width:28px;height:28px;border-radius:12px;
  border:1px solid var(--chess-line2);
  background:
    radial-gradient(10px 10px at 30% 30%, rgba(200,30,30,.55), transparent 60%),
    rgba(15,23,42,.04);
}
.chess-footer__name{font-weight:900}
.chess-footer__text{margin:8px 0 0;color:var(--chess-muted);max-width:70ch}
.chess-footer__right{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.chess-footer__link{
  text-decoration:none;
  color:var(--chess-muted);
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.chess-footer__link:hover{
  color:var(--chess-ink);
  border-color:var(--chess-line);
  background:rgba(255,255,255,.65);
}

@media (max-width: 980px){
  .chess-hero__grid{grid-template-columns:1fr}
  .chess-hero__title{font-size:38px}
  .chess-split{grid-template-columns:1fr}
  .chess-modeGrid{grid-template-columns:1fr}
  .chess-progress{grid-template-columns:1fr}
  .chess-gallery{grid-template-columns:1fr}
  .chess-cta__panel{grid-template-columns:1fr}
  .chess-band{grid-template-columns:1fr}
  .chess-hero__meta{grid-template-columns:1fr}
}

@media (max-width: 620px){
  .chess-header__grid{grid-template-columns:1fr}
  .chess-nav{justify-content:flex-start}
  .chess-hero__content{padding:18px}
  .chess-hero__title{font-size:32px}
  .chess-step__grid{grid-template-columns:1fr}
  .chess-progress__grid{grid-template-columns:1fr}
  .chess-legal__grid{grid-template-columns:1fr}
  .chess-contact__grid{grid-template-columns:1fr}
  .chess-footer__grid{grid-template-columns:1fr}
  .chess-footer__right{justify-content:flex-start}
  .chess-contactLine{grid-template-columns: 1fr}
}