:root {
  --bg-main: #18181B;
  --bg-card: rgba(30, 30, 34, 0.98);
  --bg-card-gradient: linear-gradient(135deg, rgba(24,24,27,0.98) 80%, rgba(39,39,44,0.07) 100%);
  --accent: #F59E0B;
  --accent-light: #ffb547;
  --text-main: #f3f3f7;
  --text-secondary: #b5b5c6;
  --border-accent: #F59E0B;
  --shadow-main: 0 2px 16px 0 rgba(20,20,22,0.13), 0 1.5px 8px 0 rgba(24,24,27,0.09);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --transition: 0.18s cubic-bezier(.64,.09,.08,1);
  --max-width: 1240px;
  --header-height: 72px;
  --card-gradient: linear-gradient(120deg, rgba(255,255,255,0.012) 0%, rgba(245,158,11,0.04) 100%);
  --footer-bg: #1a1a1e;
}

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

body.polygon-color-body {
  background: var(--bg-main);
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

/* HEADER */
.polygon-color-header {
  background: var(--bg-main);
  box-shadow: 0 2px 18px 0 rgba(24,24,27,0.09);
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-height);
}

.polygon-color-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: var(--header-height);
}

.polygon-color-logo img {
  border-radius: 12px;
  box-shadow: 0 2px 8px 0 rgba(24,24,27,0.10);
  background: var(--bg-card);
}

.polygon-color-nav {
  display: flex;
  align-items: center;
}

.polygon-color-nav-list {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.polygon-color-nav-link {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  font-size: 15px;
  letter-spacing: 0.02em;
  position: relative;
}

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

/* MAIN CONTAINER */
.polygon-color-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 16px 0 16px;
}

/* HERO SECTION */
.polygon-color-hero {
  margin-bottom: 48px;
  background: var(--bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-main);
  padding: 40px 36px 36px 36px;
  position: relative;
  overflow: hidden;
}

.polygon-color-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: stretch;
}

.polygon-color-hero-column {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.polygon-color-hero-column--left {
  gap: 18px;
}

.polygon-color-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--accent);
  letter-spacing: 0.01em;
}

.polygon-color-tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-weight: 400;
}

.polygon-color-quick-facts ul {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.04);
  padding: 14px 20px 14px 28px;
  margin: 0 0 16px 0;
  list-style: none;
  font-size: 13px;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.polygon-color-quick-facts ul li {
  position: relative;
  padding-left: 18px;
}

.polygon-color-quick-facts ul li::before {
  content: '';
  display: inline-block;
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.7;
}

.polygon-color-hero-desc {
  color: var(--text-secondary);
  margin-bottom: 22px;
  font-size: 1rem;
}

.polygon-color-hero-actions {
  margin-top: 12px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.polygon-color-play-btn {
  background: var(--accent);
  color: #18181B;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  border: none;
  box-shadow: 0 2px 16px 0 rgba(245,158,11,0.08);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  letter-spacing: 0.02em;
  outline: none;
}

.polygon-color-play-btn:hover,
.polygon-color-play-btn:focus {
  background: #18181B;
  color: var(--accent);
  box-shadow: 0 4px 20px 0 rgba(245,158,11,0.14);
  border: 1px solid var(--accent);
}

.polygon-color-play-btn--secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  margin-top: 22px;
}

.polygon-color-play-btn--secondary:hover,
.polygon-color-play-btn--secondary:focus {
  background: var(--accent);
  color: #18181B;
}

.polygon-color-gallery-link {
  color: var(--accent);
  font-weight: 500;
  text-decoration: underline;
  font-size: 1rem;
  transition: color var(--transition);
  padding: 12px 0;
}

.polygon-color-gallery-link:hover,
.polygon-color-gallery-link:focus {
  color: var(--accent-light);
}

.polygon-color-hero-column--right {
  align-items: flex-end;
  gap: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.polygon-color-hero-art {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-main);
  overflow: hidden;
  width: 100%;
  max-width: 360px;
  max-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.polygon-color-hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}

.polygon-color-hero-stats {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.polygon-color-small-image {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.10);
  background: var(--bg-card);
}

/* SECTION GENERAL */
.polygon-color-section {
  margin-bottom: 48px;
  background: var(--bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-main);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}

.polygon-color-section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 28px 0;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

/* WORLD SECTION */
.polygon-color-world .polygon-color-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 24px;
}

.polygon-color-panel {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.07);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
  font-size: 0.97rem;
}

.polygon-color-image-panel {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: unset;
}

.polygon-color-image-panel img {
  width: 100%;
  max-width: 140px;
  max-height: 160px;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.polygon-color-list {
  margin: 24px 0 0 0;
  padding: 0 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 36px;
  list-style: none;
}

.polygon-color-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 0.97rem;
}

.polygon-color-list li::before {
  content: '';
  display: inline-block;
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.55;
}

/* PLAY SECTION */
.polygon-color-play .polygon-color-columns {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.polygon-color-play .polygon-color-column {
  flex: 1 1 0;
  min-width: 220px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.07);
  padding: 22px 18px;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.polygon-color-play .polygon-color-column h3 {
  margin-top: 0;
  font-size: 1.07rem;
  color: var(--accent);
  font-weight: 600;
}

.polygon-color-play .polygon-color-column ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.polygon-color-play .polygon-color-column ul li {
  padding-left: 16px;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.97rem;
}

.polygon-color-play .polygon-color-column ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.5;
}

/* FEATURES SECTION */
.polygon-color-feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 32px;
}

.polygon-color-feature {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.07);
  padding: 20px 18px;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.polygon-color-feature h4 {
  font-size: 1.05rem;
  color: var(--accent);
  margin: 0 0 6px 0;
  font-weight: 600;
}

.polygon-color-feature p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.97rem;
}

.polygon-color-feature-art {
  display: flex;
  align-items: center;
  justify-content: center;
}

.polygon-color-feature-art img {
  width: 100%;
  max-width: 220px;
  max-height: 120px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin: 0 auto;
  background: var(--bg-card);
}

/* GALLERY SECTION */
.polygon-color-gallery-intro {
  color: var(--text-secondary);
  font-size: 0.98rem;
  margin-bottom: 18px;
}

.polygon-color-screens-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.polygon-color-ss {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.06);
  padding: 10px 10px 16px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  position: relative;
}

.polygon-color-ss:hover,
.polygon-color-ss:focus {
  box-shadow: 0 4px 24px 0 rgba(245,158,11,0.09), 0 2px 10px 0 rgba(24,24,27,0.12);
  transform: translateY(-2px) scale(1.02);
}

.polygon-color-ss-image {
  width: 100%;
  max-width: 160px;
  max-height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  background: var(--bg-card);
  box-shadow: 0 1px 5px 0 rgba(24,24,27,0.07);
}

.polygon-color-ss-caption {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-align: center;
  margin: 0;
}

/* RHYTHM SECTION */
.polygon-color-two-cols {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.polygon-color-two-cols > div {
  flex: 1 1 0;
  min-width: 220px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.07);
  padding: 22px 18px;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.polygon-color-two-cols h3 {
  color: var(--accent);
  font-size: 1.07rem;
  margin-top: 0;
  font-weight: 600;
}

.polygon-color-two-cols ol,
.polygon-color-two-cols ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.polygon-color-two-cols ol li,
.polygon-color-two-cols ul li {
  color: var(--text-secondary);
  font-size: 0.97rem;
  padding-left: 16px;
  position: relative;
}

.polygon-color-two-cols ol li::before {
  content: counter(item) ".";
  counter-increment: item;
  color: var(--accent);
  position: absolute;
  left: 0;
  font-weight: 600;
  font-size: 0.95em;
}

.polygon-color-two-cols ol {
  counter-reset: item;
}

.polygon-color-two-cols ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.5;
}

/* CONTENTS SECTION */
.polygon-color-contents-list {
  margin: 0 0 18px 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 36px;
}

.polygon-color-contents-list li {
  color: var(--text-secondary);
  font-size: 0.97rem;
  padding-left: 16px;
  position: relative;
}

.polygon-color-contents-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.5;
}

.polygon-color-note {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: var(--accent);
  font-size: 0.98rem;
  margin-top: 10px;
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.05);
}

/* IMPRESSIONS SECTION */
.polygon-color-impression-grid {
  display: grid;
  grid-template-columns: 2fr 2fr 2fr 1fr;
  gap: 28px;
}

.polygon-color-impression {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.07);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 120px;
}

.polygon-color-impression h3 {
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 5px 0;
}

.polygon-color-impression ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.polygon-color-impression ul li {
  color: var(--text-secondary);
  font-size: 0.97rem;
  padding-left: 15px;
  position: relative;
}

.polygon-color-impression ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.5;
}

.polygon-color-impression-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.polygon-color-impression-image img {
  width: 100%;
  max-width: 110px;
  max-height: 110px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--bg-card);
}

/* TESTIMONIALS */
.polygon-color-testimonial-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.polygon-color-quote {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.07);
  padding: 18px 16px 16px 24px;
  color: var(--text-main);
  font-size: 1.03rem;
  font-style: italic;
  position: relative;
  min-height: 80px;
}

.polygon-color-quote p {
  margin: 0 0 10px 0;
}

.polygon-color-quote cite {
  color: var(--accent);
  font-size: 0.95em;
  font-style: normal;
  font-weight: 500;
}

/* FAQ */
.polygon-color-faq-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 38px;
}

.polygon-color-faq-list dt {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.02rem;
  margin-top: 0;
  margin-bottom: 4px;
}

.polygon-color-faq-list dd {
  color: var(--text-secondary);
  margin: 0 0 10px 0;
  font-size: 0.97rem;
  padding-left: 0;
}

/* CONCLUSION */
.polygon-color-conclusion p {
  color: var(--text-secondary);
  font-size: 1.01rem;
  margin-bottom: 12px;
}

.polygon-color-invite {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.07rem;
  margin-bottom: 18px;
}

/* COOKIE BANNER */
.polygon-color-cookie {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(24,24,27,0.99) 90%, rgba(245,158,11,0.07) 100%);
  color: var(--text-main);
  z-index: 9999;
  box-shadow: 0 -2px 20px 0 rgba(24,24,27,0.15);
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  transition: opacity var(--transition);
}

.polygon-color-cookie-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 16px 28px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--bg-card-gradient);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.09);
}

.polygon-color-cookie-btn {
  background: var(--accent);
  color: #18181B;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  padding: 10px 26px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 10px 0 rgba(245,158,11,0.07);
}

.polygon-color-cookie-btn:hover,
.polygon-color-cookie-btn:focus {
  background: #18181B;
  color: var(--accent);
  border: 1px solid var(--accent);
}

/* FOOTER */
.polygon-color-footer {
  background: var(--footer-bg);
  box-shadow: 0 -2px 18px 0 rgba(24,24,27,0.08);
  margin-top: 48px;
  padding: 0;
}

.polygon-color-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 38px 16px 28px 16px;
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr 1fr;
  gap: 36px;
}

.polygon-color-footer-logo img {
  border-radius: 10px;
  background: var(--bg-card);
  box-shadow: 0 1px 8px 0 rgba(24,24,27,0.10);
}

.polygon-color-site-info {
  color: var(--text-secondary);
  font-size: 0.97rem;
  margin: 10px 0 0 0;
  line-height: 1.4;
}

.polygon-color-footer-col h4 {
  color: var(--accent);
  font-size: 1.02rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.polygon-color-footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.polygon-color-footer-col ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
  font-size: 0.98rem;
  padding: 2px 0;
}

.polygon-color-footer-col ul li a:hover,
.polygon-color-footer-col ul li a:focus {
  color: var(--accent);
  text-decoration: underline;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1100px) {
  .polygon-color-header-inner {
    padding: 0 16px;
  }
  .polygon-color-main {
    padding: 24px 8px 0 8px;
  }
  .polygon-color-hero,
  .polygon-color-section {
    padding: 28px 12px;
  }
  .polygon-color-footer-inner {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 18px;
    padding: 28px 8px 18px 8px;
  }
}

@media (max-width: 900px) {
  .polygon-color-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .polygon-color-hero-column--right {
    align-items: center;
  }
  .polygon-color-world .polygon-color-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .polygon-color-feature-list {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .polygon-color-screens-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .polygon-color-impression-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .polygon-color-testimonial-list,
  .polygon-color-faq-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .polygon-color-footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .polygon-color-contents-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .polygon-color-play .polygon-color-columns,
  .polygon-color-two-cols {
    flex-direction: column;
    gap: 14px;
  }
}

@media (max-width: 600px) {
  .polygon-color-header-inner {
    flex-direction: column;
    gap: 10px;
    height: auto;
    padding: 12px 4px;
  }
  .polygon-color-nav-list {
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .polygon-color-hero,
  .polygon-color-section {
    padding: 16px 2px;
    border-radius: var(--radius-md);
  }
  .polygon-color-title {
    font-size: 1.6rem;
  }
  .polygon-color-section-title {
    font-size: 1.25rem;
    margin-bottom: 16px;
  }
  .polygon-color-footer-inner {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 4px 10px 4px;
  }
  .polygon-color-screens-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .polygon-color-impression-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .polygon-color-world .polygon-color-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .polygon-color-feature-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

/* SCROLLBAR (optional, for premium feel) */
::-webkit-scrollbar {
  width: 8px;
  background: #232329;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(120deg, #232329 70%, #F59E0B22 100%);
  border-radius: 4px;
}