:root {
  --color-bg: #fffbe7;
  --color-bg-gradient: linear-gradient(120deg, rgba(255,251,231,0.98) 0%, rgba(255,255,240,0.94) 100%);
  --color-bg-card: #fffbe7;
  --color-bg-card-gradient: linear-gradient(120deg, rgba(255,251,231,0.88) 0%, rgba(255,255,240,0.82) 100%);
  --color-accent: #2176ff;
  --color-accent-hover: #185bb8;
  --color-accent-light: #e7f0ff;
  --color-border: #2176ff;
  --color-shadow: 0 2px 24px 0 rgba(33, 118, 255, 0.08), 0 1.5px 8px 0 rgba(0,0,0,0.07);
  --color-shadow-card: 0 2px 12px 0 rgba(33, 118, 255, 0.06), 0 1.5px 8px 0 rgba(0,0,0,0.05);
  --color-text: #232323;
  --color-text-muted: #666d7a;
  --color-muted-bg: #f7f6ef;
  --color-muted-border: #eae6c9;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --max-width: 1240px;
  --transition: 0.25s cubic-bezier(.5,.1,.2,1);
  --font-main: 'Inter', 'Segoe UI', Arial, sans-serif;
}

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

body.paper-origami-puzzle-body {
  margin: 0;
  background: var(--color-bg-gradient);
}

/* Container */
.paper-origami-puzzle-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px;
  box-sizing: border-box;
}

/* Header */
.paper-origami-puzzle-header {
  background: var(--color-bg-card-gradient);
  box-shadow: var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.paper-origami-puzzle-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 20px;
}

.paper-origami-puzzle-logo img {
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px 0 rgba(33, 118, 255, 0.10);
  background: #fff;
}

.paper-origami-puzzle-nav ul,
.paper-origami-puzzle-menu {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.paper-origami-puzzle-link {
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.paper-origami-puzzle-link:hover,
.paper-origami-puzzle-link:focus {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
}

/* Main Title & Hero */
.paper-origami-puzzle-hero {
  background: var(--color-bg-card-gradient);
  box-shadow: var(--color-shadow);
  border-radius: var(--radius-lg);
  margin: 32px auto 0 auto;
  max-width: var(--max-width);
  padding: 40px 0 0 0;
  position: relative;
  overflow: hidden;
}

.paper-origami-puzzle-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.paper-origami-puzzle-hero-col--left {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.paper-origami-puzzle-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0 0 4px 0;
  color: var(--color-text);
  text-shadow: 0 2px 8px rgba(255,251,231,0.23);
}

.paper-origami-puzzle-tagline {
  font-size: 1.08rem;
  color: var(--color-text-muted);
  margin: 0 0 10px 0;
}

.paper-origami-puzzle-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0 0 10px 0;
  padding: 0;
  list-style: none;
}

.paper-origami-puzzle-cta {
  display: flex;
  gap: 16px;
  margin-top: 10px;
}

.paper-origami-puzzle-button {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 28px;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 2px 8px 0 rgba(33, 118, 255, 0.10);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  outline: none;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-block;
  letter-spacing: 0.01em;
}
.paper-origami-puzzle-button:hover, .paper-origami-puzzle-button:focus {
  background: #fff;
  color: var(--color-accent-hover);
  border: 1px solid var(--color-accent);
  box-shadow: 0 4px 16px 0 rgba(33, 118, 255, 0.14);
}
.paper-origami-puzzle-button--muted {
  background: #fff;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}
.paper-origami-puzzle-button--muted:hover, .paper-origami-puzzle-button--muted:focus {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent-hover);
}

.paper-origami-puzzle-hero-col--right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.paper-origami-puzzle-hero-card {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow-card);
  padding: 16px 16px 10px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 350px;
  width: 100%;
}

.paper-origami-puzzle-hero-image {
  border-radius: var(--radius-md);
  object-fit: cover;
  width: 100%;
  max-height: 300px;
  box-shadow: 0 2px 14px 0 rgba(33, 118, 255, 0.08);
}

.paper-origami-puzzle-hero-caption {
  margin-top: 10px;
  color: var(--color-text-muted);
  font-size: 13px;
  text-align: center;
}

.paper-origami-puzzle-quicklinks {
  display: flex;
  gap: 18px;
  margin: 30px 0 0 0;
  padding: 0 20px 32px 20px;
  justify-content: flex-start;
}
.paper-origami-puzzle-quicklink {
  color: var(--color-accent);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 6px 18px;
  font-weight: 500;
  text-decoration: none;
  font-size: 14px;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border var(--transition);
}
.paper-origami-puzzle-quicklink:hover,
.paper-origami-puzzle-quicklink:focus {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
  border: 1px solid var(--color-accent);
}

/* World Section */
.paper-origami-puzzle-world {
  margin-top: 48px;
}
.paper-origami-puzzle-world-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: flex-start;
  margin-top: 28px;
}
.paper-origami-puzzle-world-text {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow-card);
  padding: 32px 28px;
  min-width: 0;
}
.paper-origami-puzzle-world-media {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow-card);
  padding: 18px 12px 10px 12px;
  min-width: 0;
  max-width: 370px;
}
.paper-origami-puzzle-world-image {
  border-radius: var(--radius-md);
  object-fit: cover;
  width: 100%;
  max-height: 300px;
  box-shadow: 0 2px 12px 0 rgba(33, 118, 255, 0.07);
}
.paper-origami-puzzle-caption {
  margin-top: 10px;
  color: var(--color-text-muted);
  font-size: 13px;
  text-align: center;
}
.paper-origami-puzzle-list {
  margin: 28px 0 0 0;
  padding: 0 0 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 22px;
  list-style: none;
}
.paper-origami-puzzle-list li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text);
  font-size: 13.5px;
}
.paper-origami-puzzle-list li::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  position: absolute;
  left: 0;
  top: 7px;
  opacity: 0.7;
}

/* Play Section */
.paper-origami-puzzle-play {
  margin-top: 56px;
}
.paper-origami-puzzle-play-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: flex-start;
  margin-top: 28px;
}
.paper-origami-puzzle-play-actions {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow-card);
  padding: 32px 28px;
  min-width: 0;
}
.paper-origami-puzzle-play-side {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow-card);
  padding: 24px 18px 16px 18px;
  min-width: 0;
  max-width: 370px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.paper-origami-puzzle-play-image {
  border-radius: var(--radius-md);
  object-fit: cover;
  width: 100%;
  max-height: 300px;
  box-shadow: 0 2px 10px 0 rgba(33, 118, 255, 0.07);
  margin-bottom: 8px;
}

/* Rhythm Section */
.paper-origami-puzzle-rhythm {
  margin-top: 56px;
}
.paper-origami-puzzle-steps {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow-card);
  padding: 32px 28px;
  margin-top: 28px;
}
.paper-origami-puzzle-steps ol,
.paper-origami-puzzle-steps ul {
  margin: 10px 0 18px 0;
  padding-left: 20px;
}
.paper-origami-puzzle-steps ul {
  list-style: none;
  padding-left: 0;
}
.paper-origami-puzzle-steps ul li {
  position: relative;
  padding-left: 20px;
}
.paper-origami-puzzle-steps ul li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  position: absolute;
  left: 0;
  top: 7px;
  opacity: 0.7;
}
.paper-origami-puzzle-steps ol {
  counter-reset: step;
}
.paper-origami-puzzle-steps ol li {
  counter-increment: step;
  position: relative;
  padding-left: 26px;
  margin-bottom: 7px;
}
.paper-origami-puzzle-steps ol li::before {
  content: counter(step) ".";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 13px;
}

/* Features Section */
.paper-origami-puzzle-features {
  margin-top: 56px;
}
.paper-origami-puzzle-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 28px;
}
.paper-origami-puzzle-feature {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow-card);
  padding: 28px 22px 22px 22px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.paper-origami-puzzle-compare {
  margin-top: 36px;
  background: var(--color-muted-bg);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  color: var(--color-text-muted);
  font-size: 13.5px;
  box-shadow: 0 1px 4px 0 rgba(33, 118, 255, 0.04);
}

/* Screenshots Section */
.paper-origami-puzzle-screenshots {
  margin-top: 56px;
}
.paper-origami-puzzle-screens-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 28px;
}
.paper-origami-puzzle-screen {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow-card);
  padding: 10px 10px 8px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}
.paper-origami-puzzle-screen-image {
  border-radius: var(--radius-sm);
  object-fit: cover;
  width: 100%;
  max-height: 180px;
  box-shadow: 0 2px 8px 0 rgba(33, 118, 255, 0.06);
}

/* Possibilities Section */
.paper-origami-puzzle-possibilities {
  margin-top: 56px;
}
.paper-origami-puzzle-features-list {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow-card);
  padding: 28px 24px;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 26px;
  list-style: none;
}
.paper-origami-puzzle-features-list li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
}
.paper-origami-puzzle-features-list li::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  position: absolute;
  left: 0;
  top: 7px;
  opacity: 0.7;
}
.paper-origami-puzzle-tips {
  margin-top: 12px;
  background: var(--color-muted-bg);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  color: var(--color-text-muted);
  font-size: 13.5px;
  box-shadow: 0 1px 4px 0 rgba(33, 118, 255, 0.04);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.paper-origami-puzzle-tips li {
  position: relative;
  padding-left: 18px;
}
.paper-origami-puzzle-tips li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  position: absolute;
  left: 0;
  top: 7px;
  opacity: 0.7;
}

/* FAQ Section */
.paper-origami-puzzle-faq {
  margin-top: 56px;
}
.paper-origami-puzzle-faq-list {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow-card);
  padding: 32px 28px;
  margin-top: 28px;
}
.paper-origami-puzzle-faq-list dt {
  font-weight: 700;
  color: var(--color-accent);
  margin-top: 18px;
  margin-bottom: 4px;
  font-size: 14px;
}
.paper-origami-puzzle-faq-list dd {
  margin: 0 0 8px 0;
  color: var(--color-text);
  font-size: 13.5px;
  background: #fff;
  border-radius: var(--radius-xs);
  padding: 7px 12px;
  box-shadow: 0 1px 4px 0 rgba(33, 118, 255, 0.03);
}

/* Reviews Section */
.paper-origami-puzzle-reviews {
  margin-top: 56px;
}
.paper-origami-puzzle-reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 28px;
}
.paper-origami-puzzle-review {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow-card);
  padding: 28px 22px 18px 22px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.paper-origami-puzzle-review-text {
  font-size: 1.08rem;
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: 6px;
}
.paper-origami-puzzle-review-meta {
  color: var(--color-text-muted);
  font-size: 13px;
}

/* Summary Section */
.paper-origami-puzzle-summary {
  margin-top: 56px;
  margin-bottom: 48px;
}
.paper-origami-puzzle-summary .paper-origami-puzzle-container {
  padding-top: 32px;
  padding-bottom: 32px;
}
.paper-origami-puzzle-summary p {
  background: var(--color-bg-card-gradient);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow-card);
  padding: 22px 28px;
  font-size: 14px;
  margin-bottom: 28px;
}

/* Headings */
.paper-origami-puzzle-heading {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent-hover);
  letter-spacing: -0.5px;
  margin: 0 0 8px 0;
  text-shadow: 0 1px 8px rgba(33, 118, 255, 0.08);
}
.paper-origami-puzzle-world h3,
.paper-origami-puzzle-play h3,
.paper-origami-puzzle-rhythm h3,
.paper-origami-puzzle-features h3,
.paper-origami-puzzle-possibilities h3 {
  font-size: 1.13rem;
  color: var(--color-accent);
  font-weight: 600;
  margin: 18px 0 7px 0;
}

/* Footer */
.paper-origami-puzzle-footer {
  background: var(--color-bg-card-gradient);
  box-shadow: 0 -2px 18px 0 rgba(33, 118, 255, 0.06);
  padding: 0;
  margin-top: 48px;
}
.paper-origami-puzzle-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 24px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
  justify-content: space-between;
}
.paper-origami-puzzle-footer-brand {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  min-width: 220px;
}
.paper-origami-puzzle-footer-brand img {
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 2px 8px 0 rgba(33, 118, 255, 0.10);
}
.paper-origami-puzzle-footer-brand h4 {
  margin: 0 0 6px 0;
  font-size: 1.1rem;
  color: var(--color-accent-hover);
}
.paper-origami-puzzle-footer-brand p {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0;
}
.paper-origami-puzzle-footer-nav h4,
.paper-origami-puzzle-footer-info h4 {
  margin: 0 0 8px 0;
  font-size: 1rem;
  color: var(--color-accent);
}
.paper-origami-puzzle-footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.paper-origami-puzzle-footer-nav li {
  margin-bottom: 6px;
}
.paper-origami-puzzle-footer-nav a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 13px;
  border-radius: var(--radius-xs);
  padding: 2px 7px;
  transition: background var(--transition), color var(--transition);
}
.paper-origami-puzzle-footer-nav a:hover, .paper-origami-puzzle-footer-nav a:focus {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
}
.paper-origami-puzzle-footer-info p {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0 0 7px 0;
}

/* Cookie Banner */
.paper-origami-puzzle-cookie {
  display: none;
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  background: var(--color-bg-card-gradient);
  box-shadow: 0 4px 32px 0 rgba(33, 118, 255, 0.11);
  border-radius: var(--radius-lg);
  padding: 18px 28px;
  z-index: 9999;
  max-width: 96vw;
  min-width: 260px;
  color: var(--color-text);
  font-size: 14px;
  animation: fadeInUp 0.4s cubic-bezier(.5,.1,.2,1);
}
@keyframes fadeInUp {
  0% { opacity: 0; transform: translateX(-50%) translateY(20px);}
  100% { opacity: 1; transform: translateX(-50%) translateY(0);}
}
.paper-origami-puzzle-cookie-text {
  margin: 0 0 10px 0;
}
.paper-origami-puzzle-cookie-actions {
  display: flex;
  gap: 10px;
}

/* Responsive Design */
@media (max-width: 1100px) {
  .paper-origami-puzzle-hero-grid,
  .paper-origami-puzzle-world-grid,
  .paper-origami-puzzle-play-grid,
  .paper-origami-puzzle-features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .paper-origami-puzzle-screens-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .paper-origami-puzzle-reviews-grid {
    grid-template-columns: 1fr;
  }
  .paper-origami-puzzle-features-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .paper-origami-puzzle-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .paper-origami-puzzle-nav ul,
  .paper-origami-puzzle-menu {
    flex-wrap: wrap;
    gap: 10px;
  }
  .paper-origami-puzzle-hero-grid,
  .paper-origami-puzzle-world-grid,
  .paper-origami-puzzle-play-grid,
  .paper-origami-puzzle-features-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .paper-origami-puzzle-screens-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .paper-origami-puzzle-footer-inner {
    flex-direction: column;
    gap: 24px;
  }
}

@media (max-width: 650px) {
  .paper-origami-puzzle-container {
    padding: 20px 6px;
  }
  .paper-origami-puzzle-hero {
    padding: 18px 0 0 0;
    margin-top: 18px;
  }
  .paper-origami-puzzle-hero-grid {
    padding: 0 6px;
    gap: 18px;
  }
  .paper-origami-puzzle-hero-card {
    padding: 10px 6px 6px 6px;
    max-width: 100vw;
  }
  .paper-origami-puzzle-quicklinks {
    gap: 10px;
    padding: 0 6px 18px 6px;
    flex-wrap: wrap;
  }
  .paper-origami-puzzle-world-grid,
  .paper-origami-puzzle-play-grid {
    gap: 18px;
  }
  .paper-origami-puzzle-world-text,
  .paper-origami-puzzle-play-actions,
  .paper-origami-puzzle-play-side,
  .paper-origami-puzzle-steps,
  .paper-origami-puzzle-faq-list,
  .paper-origami-puzzle-feature,
  .paper-origami-puzzle-review,
  .paper-origami-puzzle-features-list,
  .paper-origami-puzzle-tips {
    padding: 14px 8px;
    border-radius: var(--radius-sm);
  }
  .paper-origami-puzzle-screens-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .paper-origami-puzzle-screen {
    padding: 6px 2px 4px 2px;
  }
  .paper-origami-puzzle-footer-inner {
    padding: 18px 6px 12px 6px;
    gap: 10px;
  }
  .paper-origami-puzzle-cookie {
    padding: 10px 8px;
    min-width: 0;
    font-size: 13px;
  }
}

/* Hide scrollbars for card containers on mobile for premium look */
.paper-origami-puzzle-screens-grid,
.paper-origami-puzzle-features-grid,
.paper-origami-puzzle-reviews-grid {
  scrollbar-width: none;
}
.paper-origami-puzzle-screens-grid::-webkit-scrollbar,
.paper-origami-puzzle-features-grid::-webkit-scrollbar,
.paper-origami-puzzle-reviews-grid::-webkit-scrollbar {
  display: none;
}

/* Selection color */
::selection {
  background: var(--color-accent-light);
}

/* Remove default list styles for custom bullets */
.paper-origami-puzzle-list,
.paper-origami-puzzle-features-list,
.paper-origami-puzzle-tips,
.paper-origami-puzzle-steps ul {
  list-style: none;
  padding-left: 0;
}