:root {
  --bg-deep: #0b162c;
  --bg-surface: #122342;
  --bg-card: #172d54;
  --bg-card-alt: #1d3663;
  --border-subtle: rgba(125, 179, 255, 0.24);
  --border-gold: rgba(255, 212, 82, 0.55);
  --text-primary: #f5f9ff;
  --text-secondary: #c9dbf5;
  --text-muted: #9ab5dc;
  --accent-gold: #ffd452;
  --accent-sky: #4cc2ff;
  --accent-green: #38d67a;
  --accent-coral: #ff7a6b;
  --accent-purple: #a58bff;
  --max-width: 1120px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-lg: 0 16px 40px rgba(4, 10, 24, 0.45);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: radial-gradient(circle at 50% 0%, #183464 0%, var(--bg-deep) 68%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent-sky);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-gold);
}

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent-gold);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--accent-gold);
  color: #0b162c;
  padding: 10px 16px;
  font-weight: 700;
  border-radius: 8px;
  z-index: 1000;
}

.skip-link:focus {
  left: 16px;
}

/* Header & Navigation */
.site-header {
  background: rgba(11, 22, 44, 0.92);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

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

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.brand-link img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 2px solid var(--accent-gold);
}

.brand-sub {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.03em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.94rem;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(76, 194, 255, 0.14);
  color: var(--text-primary);
  border-color: rgba(76, 194, 255, 0.45);
}

/* Main Container */
main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 64px;
}

/* Hero Banner */
.hero {
  background: linear-gradient(135deg, #19376b 0%, #112447 100%);
  border: 2px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: rgba(76, 194, 255, 0.16);
  color: #bfeaff;
  border: 1px solid rgba(76, 194, 255, 0.4);
}

.badge-gold {
  background: rgba(255, 212, 82, 0.16);
  color: var(--accent-gold);
  border-color: rgba(255, 212, 82, 0.5);
}

.badge-status {
  background: rgba(56, 214, 122, 0.15);
  color: #9df5be;
  border-color: rgba(56, 214, 122, 0.45);
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.85rem, 3.4vw, 2.55rem);
  line-height: 1.2;
  color: #ffffff;
}

.subtitle {
  margin: 0 0 14px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.lead {
  margin: 0 0 20px;
  color: var(--text-secondary);
  font-size: 1.03rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.96rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.12s ease, background-color 0.15s ease;
}

.btn-primary {
  background: var(--accent-gold);
  color: #0b162c;
}

.btn-primary:hover {
  background: #ffe07d;
  color: #0b162c;
}

.btn-secondary {
  background: rgba(76, 194, 255, 0.15);
  color: var(--text-primary);
  border-color: rgba(76, 194, 255, 0.5);
}

.btn-secondary:hover {
  background: rgba(76, 194, 255, 0.26);
  color: #ffffff;
}

.hero-preview img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
  display: block;
}

/* Sections & Cards */
.section-title {
  margin: 36px 0 16px;
  font-size: 1.5rem;
  color: var(--accent-gold);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}

.card h2, .card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: #ffffff;
}

.card p {
  margin: 0 0 12px;
  color: var(--text-secondary);
}

.card ul, .doc-card ul, .doc-card ol {
  margin: 8px 0 14px;
  padding-left: 22px;
  color: var(--text-secondary);
}

.card li, .doc-card li {
  margin-bottom: 8px;
}

/* Screenshot Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.gallery-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  border-bottom: 1px solid var(--border-subtle);
}

.gallery-item figcaption {
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Notice & Callout Boxes */
.callout {
  background: rgba(29, 54, 99, 0.85);
  border-left: 4px solid var(--accent-gold);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 18px 0;
  color: var(--text-secondary);
}

.callout strong {
  color: #ffffff;
}

.callout-info {
  border-left-color: var(--accent-sky);
}

.callout-safe {
  border-left-color: var(--accent-green);
}

/* Document Pages (Privacy, Support, Terms, Parents) */
.doc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px 32px;
  box-shadow: var(--shadow-lg);
  margin-bottom: 24px;
}

@media (max-width: 640px) {
  .doc-card {
    padding: 20px 18px;
  }
}

.doc-card h2 {
  color: var(--accent-gold);
  font-size: 1.32rem;
  margin-top: 26px;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle);
}

.doc-card h2:first-of-type {
  margin-top: 12px;
}

.doc-card h3 {
  color: #ffffff;
  font-size: 1.08rem;
  margin-top: 18px;
  margin-bottom: 8px;
}

.meta-table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 20px;
  font-size: 0.95rem;
}

.meta-table th,
.meta-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

.meta-table th {
  width: 34%;
  color: var(--accent-gold);
  font-weight: 700;
}

.meta-table td {
  color: var(--text-primary);
}

code {
  background: rgba(7, 14, 30, 0.75);
  color: #9ee0ff;
  padding: 2px 6px;
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
}

/* Footer */
.site-footer {
  background: #070f20;
  border-top: 1px solid var(--border-subtle);
  padding: 32px 20px;
  margin-top: auto;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}