:root {
  --color-bg: #2d1e16;
  --color-bg-gradient: linear-gradient(135deg, rgba(45,30,22,0.98) 0%, rgba(38,25,17,0.92) 100%);
  --color-bg-card: #33241a;
  --color-bg-card-gradient: linear-gradient(120deg, rgba(51,36,26,0.98) 0%, rgba(38,25,17,0.93) 100%);
  --color-gold: #e8b94b;
  --color-gold-hover: #ffdf8b;
  --color-gold-shadow: rgba(232,185,75,0.22);
  --color-text: #ede6df;
  --color-text-muted: #b8a88a;
  --color-border: rgba(255,255,255,0.06);
  --color-shadow: rgba(0,0,0,0.18);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 7px;
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
  --container-max: 1240px;
  --font-main: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-title: 'Montserrat', 'Inter', Arial, sans-serif;
  --shadow-card: 0 2px 18px 0 var(--color-shadow), 0 1.5px 0.5px 0 rgba(232,185,75,0.03);
  --shadow-hover: 0 4px 24px 0 var(--color-shadow), 0 2px 1.5px 0 rgba(232,185,75,0.07);
  --gradient-overlay: linear-gradient(120deg, rgba(232,185,75,0.03) 0%, rgba(45,30,22,0.01) 100%);
}

html, body {
  min-height: 100%;
  background: var(--color-bg-gradient), var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

.chessace-body {
  background: var(--color-bg-gradient), var(--color-bg);
  min-height: 100vh;
}

/* Container */
.chessace-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* Header */
.chessace-header {
  background: var(--color-bg-card-gradient), var(--color-bg-card);
  box-shadow: 0 1px 16px 0 var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition);
}

.chessace-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 18px 24px 18px 14px;
}

.chessace-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  margin-right: 32px;
}

.chessace-logo-img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  box-shadow: 0 1px 6px 0 var(--color-shadow);
  background: var(--gradient-overlay);
  transition: box-shadow var(--transition);
}

.chessace-logo-img:hover {
  box-shadow: 0 4px 16px 0 var(--color-shadow), 0 0 0 2px var(--color-gold-shadow);
}

.chessace-nav-list {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.chessace-nav-link {
  color: var(--color-gold);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.chessace-nav-link:hover,
.chessace-nav-link:focus {
  color: var(--color-gold-hover);
  border-bottom: 1px solid var(--color-gold-hover);
}

/* HERO */
.chessace-hero {
  background: var(--color-bg-card-gradient), var(--color-bg-card);
  border-radius: var(--radius-lg);
  margin: 40px auto 32px;
  box-shadow: var(--shadow-card);
  padding: 0;
  overflow: hidden;
  position: relative;
  max-width: var(--container-max);
}

.chessace-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr;
  gap: 0;
  align-items: stretch;
}

.chessace-hero-media {
  position: relative;
  min-width: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

.chessace-hero-video {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 370px;
  object-fit: cover;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  box-shadow: 0 2px 14px 0 var(--color-shadow);
  background: var(--gradient-overlay);
}

.chessace-hero-image {
  display: none;
}

.chessace-hero-content {
  padding: 48px 38px 40px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.chessace-title {
  font-family: var(--font-title);
  font-size: 2.5rem;
  color: var(--color-gold);
  letter-spacing: 0.03em;
  margin: 0 0 12px 0;
  font-weight: 800;
  line-height: 1.1;
  text-shadow: 0 2px 18px var(--color-shadow);
}

.chessace-tagline {
  color: var(--color-text-muted);
  font-size: 1.07rem;
  margin-bottom: 26px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.chessace-hero-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 32px;
  margin-bottom: 30px;
}

.chessace-hero-column {
  background: var(--color-bg-card-gradient), var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  padding: 22px 18px 18px;
  min-width: 0;
  flex: 1 1 0;
  min-width: 180px;
}

.chessace-small-title {
  font-family: var(--font-title);
  color: var(--color-gold);
  font-size: 1.1rem;
  margin: 0 0 7px 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.chessace-list {
  padding-left: 0;
  margin: 0;
  list-style: none;
}

.chessace-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 7px;
  color: var(--color-text);
}

.chessace-list li::before {
  content: '';
  display: inline-block;
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-gold);
  opacity: 0.6;
}

.chessace-hero-cta {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.chessace-cta-button {
  display: inline-block;
  background: var(--color-gold);
  color: #2d1e16;
  font-weight: 700;
  font-size: 1rem;
  padding: 13px 32px;
  border-radius: 32px;
  text-decoration: none;
  box-shadow: 0 2px 16px 0 var(--color-gold-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  letter-spacing: 0.04em;
  margin-bottom: 0;
  border: none;
  cursor: pointer;
}

.chessace-cta-button:hover,
.chessace-cta-button:focus {
  background: var(--color-gold-hover);
  color: #1f140a;
  box-shadow: 0 4px 24px 0 var(--color-gold-shadow);
}

.chessace-small-note {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0;
  margin-top: 4px;
}

/* World Section */
.chessace-world {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.chessace-world-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 0;
  align-items: stretch;
}

.chessace-world-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
  overflow: hidden;
}

.chessace-world-image {
  width: 100%;
  height: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  box-shadow: 0 2px 14px 0 var(--color-shadow);
  background: var(--gradient-overlay);
}

.chessace-world-content {
  padding: 42px 38px 38px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.chessace-section-title {
  font-family: var(--font-title);
  color: var(--color-gold);
  font-size: 1.7rem;
  font-weight: 800;
  margin: 0 0 14px 0;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 14px var(--color-shadow);
}

.chessace-paragraph {
  color: var(--color-text);
  margin-bottom: 18px;
  font-size: 1rem;
}

.chessace-subtitle {
  font-family: var(--font-title);
  color: var(--color-gold);
  font-size: 1.08rem;
  font-weight: 600;
  margin: 20px 0 7px 0;
  letter-spacing: 0.01em;
}

/* Gameplay Section */
.chessace-gameplay {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.chessace-gameplay-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 0;
  align-items: stretch;
}

.chessace-gameplay-image {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
  overflow: hidden;
}

.chessace-img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  box-shadow: 0 2px 14px 0 var(--color-shadow);
  background: var(--gradient-overlay);
}

.chessace-gameplay-content {
  padding: 42px 38px 38px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Systems Section */
.chessace-systems {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 36px 0 32px 0;
}

.chessace-systems-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 22px;
  margin-top: 24px;
}

.chessace-system-card {
  background: var(--color-bg-card-gradient), var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  padding: 26px 20px 18px 20px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.chessace-system-title {
  font-family: var(--font-title);
  color: var(--color-gold);
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}

/* Features Section */
.chessace-features {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.chessace-features-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 0;
  align-items: stretch;
}

.chessace-features-content {
  padding: 42px 38px 38px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.chessace-features-image {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  overflow: hidden;
}

.chessace-features-image .chessace-img {
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  max-height: 300px;
}

/* Screenshots Section */
.chessace-screenshots {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 36px 0 32px 0;
}

.chessace-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 22px;
}

.chessace-shot {
  background: var(--color-bg-card-gradient), var(--color-bg-card);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  padding: 10px 10px 16px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chessace-shot-img {
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  margin-bottom: 8px;
  max-height: 140px;
}

.chessace-caption {
  color: var(--color-text-muted);
  font-size: 0.93rem;
  text-align: center;
}

/* Session Section */
.chessace-session {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 36px 0 32px 0;
}

.chessace-steps {
  margin: 0 0 18px 0;
  padding-left: 22px;
  color: var(--color-text);
  font-size: 1rem;
}

.chessace-steps li {
  margin-bottom: 14px;
  padding-left: 0;
}

.chessace-steps strong {
  color: var(--color-gold);
  font-weight: 700;
}

/* Reviews Section */
.chessace-reviews {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 36px 0 32px 0;
}

.chessace-reviews-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr) 0.7fr;
  gap: 22px;
  margin-top: 22px;
}

.chessace-quote {
  background: var(--color-bg-card-gradient), var(--color-bg-card);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  padding: 18px 18px 14px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.chessace-quote-text {
  color: var(--color-text);
  font-style: italic;
  margin-bottom: 11px;
  font-size: 1rem;
}

.chessace-quote-author {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  font-style: normal;
  text-align: right;
}

.chessace-stats {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-bg-card-gradient), var(--color-bg-card);
  border-radius: var(--radius-sm);
  padding: 18px 18px 14px 18px;
  color: var(--color-gold);
  font-weight: 700;
  font-size: 1.01rem;
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  gap: 7px;
}

/* Content Section */
.chessace-content {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 36px 0 32px 0;
}

.chessace-content-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 22px;
  margin-top: 22px;
}

.chessace-content-card {
  background: var(--color-bg-card-gradient), var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 7px 0 var(--color-shadow);
  padding: 22px 18px 18px 18px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.chessace-content-card h3 {
  color: var(--color-gold);
  font-family: var(--font-title);
  font-size: 1.07rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}

/* Download CTA */
.chessace-download {
  margin: 40px auto 32px;
  background: var(--color-bg-gradient), var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 44px 0 48px 0;
  text-align: center;
}

.chessace-cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.chessace-cta-button-large {
  display: inline-block;
  background: var(--color-gold);
  color: #2d1e16;
  font-weight: 800;
  font-size: 1.19rem;
  padding: 19px 52px;
  border-radius: 42px;
  text-decoration: none;
  box-shadow: 0 2px 22px 0 var(--color-gold-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  letter-spacing: 0.05em;
  margin-top: 8px;
  border: none;
  cursor: pointer;
}

.chessace-cta-button-large:hover,
.chessace-cta-button-large:focus {
  background: var(--color-gold-hover);
  color: #1f140a;
  box-shadow: 0 6px 32px 0 var(--color-gold-shadow);
}

/* Footer */
.chessace-footer {
  background: var(--color-bg-gradient), var(--color-bg-card);
  box-shadow: 0 -1px 16px 0 var(--color-shadow);
  padding: 38px 0 0 0;
  margin-top: 48px;
}

.chessace-footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.chessace-footer-columns {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 32px;
  align-items: flex-start;
}

.chessace-footer-col {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.chessace-footer-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  margin-bottom: 8px;
  box-shadow: 0 1px 6px 0 var(--color-shadow);
  background: var(--gradient-overlay);
}

.chessace-footer-title {
  color: var(--color-gold);
  font-family: var(--font-title);
  font-size: 1.01rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.chessace-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.chessace-footer-links li a {
  color: var(--color-gold);
  text-decoration: none;
  font-size: 0.97rem;
  font-weight: 600;
  transition: color var(--transition);
}

.chessace-footer-links li a:hover,
.chessace-footer-links li a:focus {
  color: var(--color-gold-hover);
}

.chessace-footer-text,
.chessace-footer-note,
.chessace-footer-copyright {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

.chessace-footer-note {
  margin-top: 6px;
  font-size: 0.91rem;
}

/* Responsive Design */
@media (max-width: 1100px) {
  .chessace-hero-grid,
  .chessace-world-grid,
  .chessace-gameplay-grid,
  .chessace-features-grid {
    grid-template-columns: 1fr;
  }
  .chessace-hero-media,
  .chessace-world-image-wrap,
  .chessace-gameplay-image,
  .chessace-features-image {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    max-height: 220px;
  }
  .chessace-hero-content,
  .chessace-world-content,
  .chessace-gameplay-content,
  .chessace-features-content {
    padding: 32px 18px 28px 18px;
  }
  .chessace-features-image .chessace-img,
  .chessace-img,
  .chessace-hero-video,
  .chessace-world-image {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    max-height: 220px;
  }
  .chessace-systems-grid,
  .chessace-gallery,
  .chessace-content-grid,
  .chessace-reviews-grid,
  .chessace-footer-columns {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

@media (max-width: 800px) {
  .chessace-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 13px;
    padding: 14px 12px 14px 12px;
  }
  .chessace-nav-list {
    gap: 13px;
  }
  .chessace-hero,
  .chessace-world,
  .chessace-gameplay,
  .chessace-features,
  .chessace-systems,
  .chessace-screenshots,
  .chessace-session,
  .chessace-reviews,
  .chessace-content,
  .chessace-download {
    margin: 26px auto 22px;
    padding: 0;
  }
  .chessace-hero-content,
  .chessace-world-content,
  .chessace-gameplay-content,
  .chessace-features-content {
    padding: 22px 9px 18px 9px;
  }
  .chessace-hero-columns {
    flex-direction: column;
    gap: 13px;
  }
  .chessace-hero-column {
    padding: 12px 10px 10px;
  }
  .chessace-systems-grid,
  .chessace-gallery,
  .chessace-content-grid,
  .chessace-reviews-grid,
  .chessace-footer-columns {
    grid-template-columns: 1fr;
    gap: 11px;
  }
  .chessace-shot-img {
    max-height: 90px;
  }
  .chessace-footer-container {
    padding: 0 8px;
  }
}

@media (max-width: 540px) {
  .chessace-container {
    padding: 0 4px;
  }
  .chessace-header-inner {
    padding: 10px 4px 10px 4px;
  }
  .chessace-title {
    font-size: 1.5rem;
  }
  .chessace-section-title {
    font-size: 1.07rem;
  }
  .chessace-hero-content,
  .chessace-world-content,
  .chessace-gameplay-content,
  .chessace-features-content {
    padding: 9px 2px 8px 2px;
  }
  .chessace-cta-button,
  .chessace-cta-button-large {
    font-size: 0.97rem;
    padding: 11px 18px;
  }
  .chessace-cta-button-large {
    padding: 13px 18px;
  }
  .chessace-shot-img {
    max-height: 60px;
  }
  .chessace-footer-logo-img {
    width: 26px;
    height: 26px;
  }
}

::-webkit-scrollbar {
  width: 8px;
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(232,185,75,0.07);
  border-radius: 8px;
}