:root {
  --color-bg: #101a2b;
  --color-bg-gradient: linear-gradient(120deg, rgba(24,39,61,0.22) 0%, rgba(10,18,36,0.11) 100%);
  --color-card-bg: #16213a;
  --color-card-gradient: linear-gradient(120deg, rgba(24,39,61,0.10) 0%, rgba(10,18,36,0.07) 100%);
  --color-primary: #ffd600;
  --color-primary-hover: #ffe066;
  --color-secondary: #fff;
  --color-text: #e3e8f0;
  --color-text-secondary: #aeb6c7;
  --color-border: rgba(255,255,255,0.06);
  --color-shadow: 0 4px 32px 0 rgba(20,30,60,0.18);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --transition: 0.24s cubic-bezier(.7,.3,.3,1);
  --max-width: 1240px;
  --font-main: 'Inter', 'Segoe UI', 'Arial', sans-serif;
}

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

body.solar-system-for-kids-body {
  margin: 0;
  padding: 0;
}

.solar-system-for-kids-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.solar-system-for-kids-header {
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  box-shadow: var(--color-shadow);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.solar-system-for-kids-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 24px;
}

.solar-system-for-kids-logo img {
  border-radius: 50%;
  box-shadow: 0 2px 8px 0 rgba(30,40,70,0.13);
  background: var(--color-bg);
  transition: box-shadow var(--transition);
}

.solar-system-for-kids-logo:hover img {
  box-shadow: 0 4px 18px 0 rgba(255,214,0,0.16);
}

.solar-system-for-kids-nav {
  margin-left: 36px;
}

.solar-system-for-kids-menu {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.solar-system-for-kids-menu-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  position: relative;
}

.solar-system-for-kids-menu-link:hover,
.solar-system-for-kids-menu-link:focus {
  background: var(--color-primary);
  color: #0a0e1a;
}

main {
  margin-top: 0;
}

/* HERO SECTION */
.solar-system-for-kids-hero {
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  margin: 32px auto 40px auto;
  box-shadow: var(--color-shadow);
  max-width: var(--max-width);
  padding: 32px 0 32px 0;
  position: relative;
}

.solar-system-for-kids-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr 1fr;
  gap: 36px;
  align-items: stretch;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.solar-system-for-kids-hero-media {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-width: 0;
  gap: 16px;
}

.solar-system-for-kids-hero-video {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1.1/1;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: 0 4px 20px 0 rgba(30,40,70,0.11);
  margin-bottom: 6px;
  background: #0a0e1a;
}

.solar-system-for-kids-hero-image {
  width: 100%;
  max-width: 220px;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: 0 2px 12px 0 rgba(30,40,70,0.09);
}

.solar-system-for-kids-hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  background: rgba(22,33,58,0.85);
  border-radius: var(--radius-md);
  padding: 36px 32px 32px 32px;
  box-shadow: 0 2px 12px 0 rgba(30,40,70,0.08);
  min-width: 0;
}

.solar-system-for-kids-title {
  font-size: 2.1rem;
  font-weight: 800;
  margin: 0 0 8px 0;
  color: var(--color-secondary);
  line-height: 1.18;
  letter-spacing: 0.01em;
}

.solar-system-for-kids-tagline {
  display: block;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: 7px;
  letter-spacing: 0.01em;
}

.solar-system-for-kids-lead {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin: 0 0 8px 0;
}

.solar-system-for-kids-features-list {
  margin: 0 0 12px 0;
  padding: 0 0 0 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.solar-system-for-kids-features-list li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text);
  font-weight: 500;
}

.solar-system-for-kids-features-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.85;
  box-shadow: 0 1px 6px 0 rgba(255,214,0,0.14);
}

.solar-system-for-kids-cta-row {
  display: flex;
  gap: 16px;
  margin: 12px 0 0 0;
}

.solar-system-for-kids-cta {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 12px 0 rgba(255,214,0,0.09);
  letter-spacing: 0.01em;
  outline: none;
}

.solar-system-for-kids-cta.primary {
  background: var(--color-primary);
  color: #1a1a1a;
  border: none;
}

.solar-system-for-kids-cta.primary:hover,
.solar-system-for-kids-cta.primary:focus {
  background: var(--color-primary-hover);
  color: #0a0e1a;
  box-shadow: 0 4px 24px 0 rgba(255,214,0,0.18);
}

.solar-system-for-kids-cta.secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  box-shadow: none;
}

.solar-system-for-kids-cta.secondary:hover,
.solar-system-for-kids-cta.secondary:focus {
  background: rgba(255,214,0,0.09);
  color: var(--color-secondary);
  border-color: var(--color-primary-hover);
}

.solar-system-for-kids-cta.large {
  font-size: 1.15rem;
  padding: 16px 44px;
}

.solar-system-for-kids-meta {
  display: flex;
  gap: 18px;
  font-size: 0.98rem;
  color: var(--color-text-secondary);
  margin-top: 10px;
  opacity: 0.95;
}

.solar-system-for-kids-hero-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  background: rgba(22,33,58,0.88);
  border-radius: var(--radius-md);
  padding: 20px 18px 18px 18px;
  min-width: 0;
  box-shadow: 0 2px 12px 0 rgba(30,40,70,0.07);
}

.solar-system-for-kids-aside-image {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 1px 8px 0 rgba(255,214,0,0.13);
  background: var(--color-bg);
}

.solar-system-for-kids-quick-list {
  margin-top: 10px;
}

.solar-system-for-kids-quick-list h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 7px;
  font-weight: 700;
}

.solar-system-for-kids-quick-list ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.solar-system-for-kids-quick-list li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text);
  font-size: 0.98rem;
}

.solar-system-for-kids-quick-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--color-primary);
  opacity: 0.7;
}

/* SCREENSHOTS SECTION */
.solar-system-for-kids-screenshots {
  margin: 48px 0 0 0;
  padding: 0 0 36px 0;
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.solar-system-for-kids-section-title {
  font-size: 1.6rem;
  color: var(--color-primary);
  font-weight: 800;
  margin: 0 0 10px 0;
  letter-spacing: 0.01em;
}

.solar-system-for-kids-section-lead {
  color: var(--color-text-secondary);
  margin-bottom: 22px;
  font-size: 1rem;
}

.solar-system-for-kids-screens-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  margin-top: 12px;
}

.solar-system-for-kids-shot {
  background: rgba(22,33,58,0.92);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px 0 rgba(30,40,70,0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 10px 16px 10px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.solar-system-for-kids-shot img {
  width: 100%;
  height: 110px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  background: #0a0e1a;
  transition: transform var(--transition);
}

.solar-system-for-kids-shot:hover,
.solar-system-for-kids-shot:focus-within {
  box-shadow: 0 6px 32px 0 rgba(255,214,0,0.09);
  transform: translateY(-2px) scale(1.03);
}

.solar-system-for-kids-shot:hover img {
  transform: scale(1.04) rotate(-1deg);
}

.solar-system-for-kids-shot figcaption {
  color: var(--color-text-secondary);
  font-size: 0.97rem;
  text-align: center;
  margin-top: 2px;
}

/* FEATURES SECTION */
.solar-system-for-kids-features {
  margin: 48px 0 0 0;
  padding: 0 0 36px 0;
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.solar-system-for-kids-features-inner {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 36px;
  align-items: stretch;
  padding: 0 24px;
}

.solar-system-for-kids-features-media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.solar-system-for-kids-features-image {
  width: 100%;
  max-width: 290px;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px 0 rgba(255,214,0,0.11);
  background: #0a0e1a;
}

.solar-system-for-kids-features-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  background: rgba(22,33,58,0.88);
  border-radius: var(--radius-md);
  padding: 32px 32px 32px 32px;
  box-shadow: 0 2px 12px 0 rgba(30,40,70,0.08);
  min-width: 0;
}

.solar-system-for-kids-paragraph {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin: 0 0 7px 0;
}

.solar-system-for-kids-list {
  margin: 0 0 10px 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.solar-system-for-kids-list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text);
}

.solar-system-for-kids-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-primary);
  opacity: 0.7;
}

.solar-system-for-kids-subtitle {
  color: var(--color-primary);
  font-size: 1.08rem;
  font-weight: 700;
  margin: 14px 0 6px 0;
}

/* GAMEPLAY SECTION */
.solar-system-for-kids-gameplay {
  margin: 48px 0 0 0;
  padding: 0 0 36px 0;
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.solar-system-for-kids-gameplay-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 18px;
}

.solar-system-for-kids-gameplay-block {
  background: rgba(22,33,58,0.87);
  border-radius: var(--radius-md);
  padding: 28px 24px 22px 24px;
  box-shadow: 0 2px 12px 0 rgba(30,40,70,0.07);
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.solar-system-for-kids-gameplay-block h3 {
  color: var(--color-primary);
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 6px;
}

/* RHYTHM SECTION */
.solar-system-for-kids-rhythm {
  margin: 48px 0 0 0;
  padding: 0 0 36px 0;
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.solar-system-for-kids-steps {
  margin: 0 0 18px 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.solar-system-for-kids-steps li {
  position: relative;
  padding-left: 30px;
  color: var(--color-text);
}

.solar-system-for-kids-steps li::before {
  content: counter(step);
  counter-increment: step;
  position: absolute;
  left: 0;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #1a1a1a;
  font-weight: 700;
  font-size: 0.98rem;
  text-align: center;
  line-height: 22px;
  box-shadow: 0 1px 6px 0 rgba(255,214,0,0.13);
}

.solar-system-for-kids-steps {
  counter-reset: step;
}

/* UNIQUE SECTION */
.solar-system-for-kids-unique {
  margin: 48px 0 0 0;
  padding: 0 0 36px 0;
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.solar-system-for-kids-unique-inner {
  display: grid;
  grid-template-columns: 2fr 1.1fr;
  gap: 36px;
  align-items: stretch;
  padding: 0 24px;
}

.solar-system-for-kids-unique-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  background: rgba(22,33,58,0.88);
  border-radius: var(--radius-md);
  padding: 32px 32px 32px 32px;
  box-shadow: 0 2px 12px 0 rgba(30,40,70,0.08);
  min-width: 0;
}

.solar-system-for-kids-unique-media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.solar-system-for-kids-unique-image {
  width: 100%;
  max-width: 260px;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px 0 rgba(255,214,0,0.11);
  background: #0a0e1a;
}

/* IMPRESSIONS SECTION */
.solar-system-for-kids-impressions {
  margin: 48px 0 0 0;
  padding: 0 0 36px 0;
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.solar-system-for-kids-grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin: 18px 0 18px 0;
}

.solar-system-for-kids-reviews {
  margin: 0 0 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.solar-system-for-kids-reviews li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-secondary);
  font-style: italic;
}

.solar-system-for-kids-reviews li::before {
  content: '★';
  position: absolute;
  left: 0;
  top: 3px;
  color: var(--color-primary);
  font-size: 1.1em;
  opacity: 0.7;
}

/* DOWNLOAD SECTION */
.solar-system-for-kids-download {
  margin: 48px 0 0 0;
  padding: 0 0 36px 0;
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

/* CONTACT SECTION */
.solar-system-for-kids-contact {
  margin: 48px 0 0 0;
  padding: 0 0 36px 0;
  background: var(--color-card-bg);
  background-image: var(--color-card-gradient);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
}

.solar-system-for-kids-contact-nav {
  display: flex;
  gap: 18px;
  margin-top: 18px;
}

.solar-system-for-kids-contact-link {
  color: var(--color-primary);
  background: rgba(255,214,0,0.08);
  border-radius: var(--radius-sm);
  padding: 9px 18px;
  text-decoration: none;
  font-weight: 600;
  transition: background var(--transition), color var(--transition);
}

.solar-system-for-kids-contact-link:hover,
.solar-system-for-kids-contact-link:focus {
  background: var(--color-primary);
  color: #0a0e1a;
}

/* FOOTER */
.solar-system-for-kids-footer {
  background: #0a0e1a;
  background-image: linear-gradient(120deg, rgba(24,39,61,0.18) 0%, rgba(10,18,36,0.08) 100%);
  color: var(--color-text-secondary);
  margin-top: 48px;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -2px 16px 0 rgba(30,40,70,0.08);
  font-size: 13px;
}

.solar-system-for-kids-footer-inner {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1.2fr;
  gap: 36px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px 24px 12px 24px;
}

.solar-system-for-kids-footer-logo img {
  border-radius: 50%;
  box-shadow: 0 2px 8px 0 rgba(30,40,70,0.13);
  background: var(--color-bg);
  margin-bottom: 10px;
}

.solar-system-for-kids-footer-column h4 {
  color: var(--color-primary);
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 7px;
}

.solar-system-for-kids-footer-links,
.solar-system-for-kids-footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.solar-system-for-kids-footer-links li a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 4px 0;
}

.solar-system-for-kids-footer-links li a:hover,
.solar-system-for-kids-footer-links li a:focus {
  color: var(--color-secondary);
}

.solar-system-for-kids-footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 12px 24px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 12px;
  opacity: 0.83;
}

/* MEDIA QUERIES */
@media (max-width: 1100px) {
  .solar-system-for-kids-hero-grid {
    grid-template-columns: 1fr 2fr;
    gap: 24px;
  }
  .solar-system-for-kids-hero-aside {
    display: none;
  }
  .solar-system-for-kids-features-inner,
  .solar-system-for-kids-unique-inner {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .solar-system-for-kids-footer-inner {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 20px;
  }
  .solar-system-for-kids-screens-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .solar-system-for-kids-grid-two,
  .solar-system-for-kids-gameplay-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 820px) {
  .solar-system-for-kids-header-inner {
    flex-direction: column;
    gap: 10px;
    padding: 12px 10px;
  }
  .solar-system-for-kids-nav {
    margin-left: 0;
  }
  .solar-system-for-kids-menu {
    gap: 10px;
  }
  .solar-system-for-kids-hero,
  .solar-system-for-kids-features,
  .solar-system-for-kids-screenshots,
  .solar-system-for-kids-gameplay,
  .solar-system-for-kids-rhythm,
  .solar-system-for-kids-unique,
  .solar-system-for-kids-impressions,
  .solar-system-for-kids-download,
  .solar-system-for-kids-contact {
    margin: 24px 0 0 0;
    padding: 0 0 18px 0;
    border-radius: var(--radius-md);
  }
  .solar-system-for-kids-hero-grid,
  .solar-system-for-kids-features-inner,
  .solar-system-for-kids-unique-inner {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 0 10px;
  }
  .solar-system-for-kids-hero-content,
  .solar-system-for-kids-features-content,
  .solar-system-for-kids-unique-content {
    padding: 20px 12px 18px 12px;
    border-radius: var(--radius-sm);
  }
  .solar-system-for-kids-features-media,
  .solar-system-for-kids-unique-media {
    justify-content: flex-start;
  }
  .solar-system-for-kids-footer-inner {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px 10px 10px 10px;
  }
  .solar-system-for-kids-screens-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}

@media (max-width: 540px) {
  .solar-system-for-kids-container {
    padding: 0 5px;
  }
  .solar-system-for-kids-header-inner {
    padding: 7px 4px;
  }
  .solar-system-for-kids-menu {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }
  .solar-system-for-kids-hero-content,
  .solar-system-for-kids-features-content,
  .solar-system-for-kids-unique-content {
    padding: 10px 4px 10px 4px;
    font-size: 13px;
  }
  .solar-system-for-kids-title {
    font-size: 1.15rem;
  }
  .solar-system-for-kids-section-title {
    font-size: 1.1rem;
  }
  .solar-system-for-kids-screens-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .solar-system-for-kids-footer-inner {
    padding: 10px 4px 6px 4px;
    font-size: 12px;
  }
  .solar-system-for-kids-footer-bottom {
    padding: 7px 4px;
    font-size: 11px;
  }
  .solar-system-for-kids-cta {
    padding: 10px 12px;
    font-size: 0.98rem;
  }
  .solar-system-for-kids-cta.large {
    font-size: 1rem;
    padding: 12px 14px;
  }
}

::-webkit-scrollbar {
  width: 10px;
  background: #121c2b;
}
::-webkit-scrollbar-thumb {
  background: #18253b;
  border-radius: 7px;
}
::-webkit-scrollbar-thumb:hover {
  background: #212f4c;
}