@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --clr-green: #1B5E20;
  --clr-green-light: #2E7D32;
  --clr-green-glow: #4CAF50;
  --clr-red: #C62828;
  --clr-red-light: #E53935;
  --clr-black: #0D0D0D;
  --clr-dark: #141414;
  --clr-surface: #1E1E1E;
  --clr-card: #252525;
  --clr-border: #333333;
  --clr-border-light: #3A3A3A;
  --clr-text: #F5F5F5;
  --clr-text-muted: #9E9E9E;
  --clr-text-dim: #666666;
  --clr-gold: #FFB300;
  --clr-gold-dim: #FFA000;
  --clr-white: #FFFFFF;

  --font-display: 'Bebas Neue', 'Arial Black', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-base: 1rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 2.875rem;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 9999px;

  --header-h: 64px;
  --max-w: 1120px;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--clr-text);
  background: var(--clr-dark);
  -webkit-font-smoothing: antialiased;
}

img, svg, canvas { max-width: 100%; }

.container {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* ── Focus ── */
:focus-visible {
  outline: 2px solid var(--clr-gold);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ── Skip Link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--clr-gold);
  color: var(--clr-black);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--r-sm);
  font-weight: 700;
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus { top: var(--space-2); }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--clr-black);
  border-bottom: 2px solid var(--clr-green);
  height: var(--header-h);
  box-shadow: 0 2px 16px rgba(0,0,0,0.6);
}

.site-header .container {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: var(--space-3);
}

.brand {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  letter-spacing: 0.04em;
  color: var(--clr-white);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.brand::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 28px;
  background: linear-gradient(180deg, var(--clr-green-glow) 0%, var(--clr-red) 100%);
  border-radius: 2px;
  flex-shrink: 0;
}
.brand span { color: var(--clr-green-glow); }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}
.site-nav a {
  color: var(--clr-text-muted);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--r-sm);
  transition: color var(--transition), background var(--transition);
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--clr-white);
  background: var(--clr-green);
}
.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--clr-gold);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--clr-border-light);
  border-radius: var(--r-sm);
  color: var(--clr-text);
  cursor: pointer;
  padding: var(--space-2);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  margin-left: auto;
}
.nav-toggle:hover { background: var(--clr-surface); }
.nav-toggle::before {
  content: '';
  display: block;
  width: 20px;
  height: 14px;
  background:
    linear-gradient(var(--clr-text) 3px, transparent 3px) 0 0 / 100% 25%,
    linear-gradient(var(--clr-text) 3px, transparent 3px) 0 50% / 100% 25%,
    linear-gradient(var(--clr-text) 3px, transparent 3px) 0 75% / 100% 25%;
  background-repeat: no-repeat;
}
.nav-toggle[aria-expanded="true"]::before {
  background:
    linear-gradient(135deg, var(--clr-text) 3px, transparent 3px) 0 2px / 100% 25%,
    linear-gradient(45deg, var(--clr-text) 3px, transparent 3px) 0 calc(50% - 1px) / 100% 25%;
}

.lang-switch {
  display: flex;
  gap: var(--space-1);
  margin-left: var(--space-3);
}
.lang-switch a {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--clr-text-muted);
  text-decoration: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--r-pill);
  border: 1px solid var(--clr-border);
  letter-spacing: 0.05em;
  transition: all var(--transition);
}
.lang-switch a:hover,
.lang-switch a.active {
  color: var(--clr-black);
  background: var(--clr-green);
  border-color: var(--clr-green);
}

/* ── Hero ── */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-8) var(--space-4);
  background:
    linear-gradient(135deg, var(--clr-black) 0%, #0a1f0a 50%, var(--clr-black) 100%);
  text-align: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(27,94,32,0.06) 40px,
      rgba(27,94,32,0.06) 80px
    );
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-green) 0%, var(--clr-gold) 50%, var(--clr-red) 100%);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, var(--fs-4xl));
  letter-spacing: 0.06em;
  line-height: 1.05;
  margin: 0 0 var(--space-3);
  color: var(--clr-white);
  text-transform: uppercase;
}
.hero h1 em {
  font-style: normal;
  color: var(--clr-green-glow);
  text-shadow: 0 0 40px rgba(76,175,80,0.4);
}
.hero .lead {
  font-size: var(--fs-lg);
  color: var(--clr-text-muted);
  max-width: 560px;
  margin: 0 auto var(--space-5);
  line-height: 1.5;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-pill);
  padding: var(--space-1) var(--space-4);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--clr-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}
.badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-green-glow);
  box-shadow: 0 0 8px var(--clr-green-glow);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

/* ── Game Section ── */
.game-section {
  padding: var(--space-7) var(--space-4);
  background: var(--clr-dark);
}
.game-section h2 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin: 0 0 var(--space-5);
}
#game-root {
  width: 100%;
  min-height: 420px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

/* ── Breadcrumbs ── */
.breadcrumbs {
  padding: var(--space-3) 0;
  font-size: var(--fs-xs);
  color: var(--clr-text-dim);
  border-bottom: 1px solid var(--clr-border);
}
.breadcrumbs a {
  color: var(--clr-green-glow);
  text-decoration: none;
}
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs +1 { margin: 0 var(--space-2); color: var(--clr-text-dim); }

/* ── Content ── */
.content {
  padding: var(--space-7) var(--space-4);
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.content h2 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin: var(--space-7) 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 3px solid var(--clr-green);
}
.content h3 {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin: var(--space-5) 0 var(--space-2);
}
.content p {
  margin: 0 0 var(--space-4);
  color: var(--clr-text-muted);
  line-height: 1.7;
}
.content strong { color: var(--clr-text); font-weight: 700; }
.content ul, .content ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-5);
  color: var(--clr-text-muted);
}
.content li {
  margin-bottom: var(--space-2);
  line-height: 1.6;
}
.content li::marker { color: var(--clr-green-glow); }
.content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
  font-size: var(--fs-sm);
}
.content th {
  background: var(--clr-green);
  color: var(--clr-white);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border: none;
}
.content td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
}
.content tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-md);
  border: 1px solid var(--clr-border);
  margin: var(--space-4) 0;
}
.table-wrap table { margin: 0; }

/* ── FAQ ── */
.faq {
  padding: var(--space-7) var(--space-4);
  max-width: 820px;
  margin: 0 auto;
}
.faq h2 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin: 0 0 var(--space-5);
  padding-bottom: var(--space-2);
  border-bottom: 3px solid var(--clr-red);
}
.faq details {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq details[open] { border-color: var(--clr-green); }
.faq summary {
  padding: var(--space-4) var(--space-5);
  font-weight: 700;
  font-size: var(--fs-base);
  color: var(--clr-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 44px;
  transition: background var(--transition);
}
.faq summary:hover { background: rgba(255,255,255,0.03); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '';
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--clr-green-glow);
  border-bottom: 2px solid var(--clr-green-glow);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  margin-top: -4px;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: 4px; }
.faq details[open] summary { border-bottom: 1px solid var(--clr-border); }
.faq details > :not(summary) {
  padding: var(--space-4) var(--space-5);
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ── CTA ── */
.cta {
  margin: var(--space-7) var(--space-4);
  padding: var(--space-6) var(--space-5);
  background: linear-gradient(135deg, var(--clr-green) 0%, #0a3d0a 100%);
  border-radius: var(--r-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(0,0,0,0.08) 20px,
    rgba(0,0,0,0.08) 40px
  );
  pointer-events: none;
}
.cta h2 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin: 0 0 var(--space-3);
  position: relative;
}
.cta p {
  color: rgba(255,255,255,0.8);
  margin: 0 0 var(--space-5);
  font-size: var(--fs-md);
  position: relative;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--r-sm);
  border: 2px solid transparent;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  transition: all var(--transition);
  position: relative;
}
.btn-primary {
  background: var(--clr-gold);
  color: var(--clr-black);
  border-color: var(--clr-gold);
  box-shadow: 0 4px 16px rgba(255,179,0,0.3);
}
.btn-primary:hover {
  background: var(--clr-gold-dim);
  border-color: var(--clr-gold-dim);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(255,179,0,0.4);
}
.btn-secondary {
  background: transparent;
  color: var(--clr-white);
  border-color: var(--clr-white);
}
.btn-secondary:hover {
  background: var(--clr-white);
  color: var(--clr-black);
}

/* ── Card Grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  padding: var(--space-7) var(--space-4);
  max-width: var(--max-w);
  margin: 0 auto;
}
.card {
  display: flex;
  flex-direction: column;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  padding: var(--space-5);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  min-height: 160px;
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-green), var(--clr-green-glow));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.card:hover {
  border-color: var(--clr-green);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(27,94,32,0.25);
}
.card:hover::before { transform: scaleX(1); }
.card h3 {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-white);
  margin: 0 0 var(--space-2);
  line-height: 1.2;
}
.card p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  margin: 0;
  line-height: 1.5;
  flex: 1;
}

/* ── Notice ── */
.notice {
  margin: var(--space-5) var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(198,40,40,0.1);
  border: 1px solid var(--clr-red);
  border-left: 4px solid var(--clr-red);
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.notice strong { color: var(--clr-red-light); }

/* ── Footer ── */
.site-footer {
  background: var(--clr-black);
  border-top: 2px solid var(--clr-green);
  padding: var(--space-7) var(--space-4) var(--space-5);
}
.site-footer .container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-6);
}
.footer-brand {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  letter-spacing: 0.04em;
  color: var(--clr-white);
  margin: 0 0 var(--space-3);
}
.footer-brand span { color: var(--clr-green-glow); }
.site-footer p {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
  margin: 0 0 var(--space-3);
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: var(--space-2); }
.footer-links a {
  color: var(--clr-text-muted);
  text-decoration: none;
  font-size: var(--fs-sm);
  transition: color var(--transition);
  display: inline-block;
  padding: var(--space-1) 0;
}
.footer-links a:hover { color: var(--clr-green-glow); }

.footer-bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-red);
  color: var(--clr-white);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.copyright {
  font-size: var(--fs-xs);
  color: var(--clr-text-dim);
}

/* ── Responsive ── */
@media (max-width: 860px) {
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--clr-black);
    border-bottom: 2px solid var(--clr-green);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-2) 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, padding 0.25s ease;
  }
  .site-header.nav-open .site-nav {
    max-height: 400px;
    padding: var(--space-2) 0;
  }
  .site-nav a {
    padding: var(--space-3) var(--space-4);
    border-radius: 0;
    border-bottom: 1px solid var(--clr-border);
  }
  .nav-toggle { display: flex; }
  .lang-switch {
    margin-left: 0;
    margin-top: var(--space-2);
    justify-content: center;
    padding-bottom: var(--space-2);
  }
  .site-footer .container {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .hero { padding: var(--space-6) var(--space-4); }
}

@media (max-width: 480px) {
  :root {
    --fs-4xl: 2rem;
    --fs-3xl: 1.75rem;
    --fs-2xl: 1.375rem;
  }
  .container { padding-left: var(--space-3); padding-right: var(--space-3); }
  .hero h1 { font-size: 1.85rem; }
  .hero .lead { font-size: var(--fs-base); }
  .card-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .hero::before { display: none; }
  .cta::before { display: none; }
  .badge::before { animation: none; }
}

/* ── Long word safety ── */
h1, h2, h3, th { overflow-wrap: anywhere; }
.table-wrap td, .table-wrap th { overflow-wrap: anywhere; }

/* game polish */
#game-root button{min-height:44px;min-width:44px;touch-action:manipulation}
#game-root{overflow:hidden;max-width:100%}
/* header polish (QA): brand + language switch + hamburger must fit 320px */
.site-header .container{min-width:0}
@media (max-width:860px){
 .site-header .container{display:flex;align-items:center;flex-wrap:nowrap;gap:8px}
 .site-header .brand{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .site-header .lang-switch{flex:0 0 auto;display:flex;gap:4px;margin:0}
 .site-header .lang-switch a{padding:6px 8px;font-size:12px;line-height:1.2;min-height:32px;display:inline-flex;align-items:center}
 .site-header .nav-toggle{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin-left:0}
}
@media (max-width:480px){ .site-header .brand small{display:none} }
.site-footer .footer-links a,.site-footer a{display:inline-flex;align-items:center;min-height:40px}
.site-header .brand{min-height:44px;display:inline-flex;align-items:center}
.footer-links{list-style:none;padding:0;margin:0}
.hero{padding-left:clamp(16px,4vw,32px);padding-right:clamp(16px,4vw,32px)}
html,body{overflow-x:clip}