/* Astradiom — Site vitrine */
:root {
  --bg-deep: #020408;
  --bg-dark: #050c14;
  --bg-panel: rgba(5, 20, 40, 0.88);
  --border-dim: rgba(0, 212, 255, 0.25);
  --cyan: #00d4ff;
  --gold: #ffd700;
  --red: #ff3860;
  --green: #00ff88;
  --purple: #bf00ff;
  --orange: #ff6b35;
  --text: #e0f0ff;
  --text-dim: rgba(200, 220, 240, 0.65);
  --text-muted: rgba(200, 220, 240, 0.4);
  --font-title: 'Orbitron', monospace;
  --font-mono: 'Share Tech Mono', monospace;
  --font-body: 'Rajdhani', sans-serif;
  --max-w: 1120px;
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 80, 140, 0.22), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(191, 0, 255, 0.08), transparent);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  overflow-x: hidden;
}

.stars-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

a { color: var(--cyan); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold); }

.container {
  width: min(100% - 2rem, var(--max-w));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Nav */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(2, 4, 8, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
}
.site-nav .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-logo {
  font-family: var(--font-title);
  font-size: 1.15rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.nav-links a:hover { color: var(--cyan); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.25rem;
  font-family: var(--font-title);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--bg-deep) !important;
  background: linear-gradient(135deg, var(--cyan), #0070a0);
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
}
.nav-cta:hover {
  color: var(--bg-deep) !important;
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.55);
}
.nav-toggle {
  display: none;
  flex-shrink: 0;
  background: none;
  border: 1px solid var(--border-dim);
  color: var(--cyan);
  font-size: 1.25rem;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: calc(var(--nav-h) + 4rem) 0 5rem;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  border: 1px solid rgba(255, 215, 0, 0.35);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  letter-spacing: 0.12em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  background: linear-gradient(180deg, #fff 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-lead {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  font-size: 1.15rem;
  color: var(--text-dim);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--font-title);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--gold), #e6a800);
  box-shadow: 0 0 24px rgba(255, 215, 0, 0.35);
}
.btn-primary:hover { box-shadow: 0 0 32px rgba(255, 215, 0, 0.5); color: var(--bg-deep); }
.btn-outline {
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--border-dim);
}
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-dim);
}
.stat-item { text-align: center; }
.stat-value {
  font-family: var(--font-title);
  font-size: 1.6rem;
  color: var(--cyan);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Sections */
section { padding: 5rem 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--purple);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 1rem;
}
.section-desc {
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 1.75rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.feature-card:hover {
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.08);
}
.feature-icon { font-size: 2rem; margin-bottom: 1rem; }
.feature-card h3 {
  font-family: var(--font-title);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 0.65rem;
}
.feature-card p { font-size: 0.95rem; color: var(--text-dim); }

/* Gameplay */
.gameplay-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  padding: 2.5rem;
}
.gameplay-list { list-style: none; }
.gameplay-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  color: var(--text-dim);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.gameplay-list li::before {
  content: '▸';
  color: var(--cyan);
  font-family: var(--font-mono);
}
.gameplay-visual {
  aspect-ratio: 4/3;
  background:
    radial-gradient(circle at 30% 40%, rgba(0, 212, 255, 0.15), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(191, 0, 255, 0.12), transparent 45%),
    linear-gradient(160deg, #0a1628, #020408);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(191, 0, 255, 0.06));
  border: 1px solid var(--border-dim);
  border-radius: 12px;
}
.cta-band h2 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.cta-band p { color: var(--text-dim); margin-bottom: 1.75rem; }

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border-dim);
  margin-top: 2rem;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand .nav-logo { margin-bottom: 0.5rem; display: block; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); max-width: 280px; }
.footer-links h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { font-size: 0.9rem; color: var(--text-dim); }
.footer-bottom {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

/* Legal page */
.legal-page { padding: calc(var(--nav-h) + 2rem) 0 4rem; }
.legal-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  align-items: start;
}
.legal-nav {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  background: var(--bg-panel);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 1.25rem;
}
.legal-nav h2 {
  font-family: var(--font-title);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 1rem;
}
.legal-nav ul { list-style: none; }
.legal-nav li { margin-bottom: 0.5rem; }
.legal-nav a {
  font-size: 0.82rem;
  color: var(--text-dim);
  display: block;
  padding: 0.35rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.65rem;
}
.legal-nav a:hover,
.legal-nav a.active {
  color: var(--cyan);
  border-left-color: var(--cyan);
}
.legal-content section {
  padding: 0 0 3rem;
  scroll-margin-top: calc(var(--nav-h) + 1rem);
}
.legal-content h2 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-dim);
}
.legal-content h3 {
  font-family: var(--font-title);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin: 1.5rem 0 0.65rem;
}
.legal-content p,
.legal-content li {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}
.legal-content ul, .legal-content ol {
  margin: 0 0 1rem 1.25rem;
  color: var(--text-dim);
}
.legal-content li { margin-bottom: 0.4rem; }
.legal-updated {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Changelog universe */
.changelog-page { padding-top: calc(var(--nav-h) + 2.5rem); padding-bottom: 4rem; }
.changelog-header { margin-bottom: 2.5rem; }
.changelog-latest {
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 0.95rem;
}
.changelog-list { display: flex; flex-direction: column; gap: 0; }
.changelog-release {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border-dim);
}
.changelog-release:first-child { padding-top: 0; }
.changelog-release-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  margin-bottom: 0.5rem;
}
.changelog-version {
  font-family: var(--font-title);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.changelog-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.changelog-release-title {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 1rem;
}
.changelog-section { margin-bottom: 1rem; }
.changelog-section h3 {
  font-family: var(--font-title);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.changelog-section ul {
  margin: 0 0 0.5rem 1.1rem;
  color: var(--text-dim);
  font-size: 0.95rem;
}
.changelog-section li { margin-bottom: 0.35rem; }
.changelog-empty,
.changelog-footnote {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.changelog-footnote {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dim);
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .gameplay-panel { grid-template-columns: 1fr; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-nav { position: static; }
}
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(2, 4, 8, 0.96);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-dim);
    z-index: 110;
  }
  .nav-links.open { display: flex; }
}