/* Drive Mad - Driving Game Stylesheet */
:root {
  --bg-dark: #0f3460;
  --bg-darker: #16213e;
  --bg-darkest: #1a1a2e;
  --theme: #ff6b35;
  --theme-light: #ff9558;
  --accent: #fbbf24;
  --success: #34d399;
  --danger: #f87171;
  --white: #f8fafc;
  --muted: #94a3b8;
  --card-bg: rgba(255,255,255,0.08);
  --card-border: rgba(255,255,255,0.15);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--bg-darkest), var(--bg-dark));
  color: var(--white);
  min-height: 100vh;
  line-height: 1.6;
}
.dm-header {
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(10px);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--card-border);
  position: sticky; top: 0; z-index: 100;
}
.dm-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--theme); }
.dm-logo svg { width: 32px; height: 32px; }
.dm-nav { display: flex; gap: 8px; flex-wrap: wrap; }
.dm-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  transition: all 0.2s;
}
.dm-nav a:hover { color: var(--white); background: var(--card-bg); }
.dm-nav a.active { color: var(--theme); background: rgba(255,107,53,0.15); }
.dm-lang-switch { display: flex; gap: 4px; flex-wrap: wrap; }
.dm-lang-switch a {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.2s;
}
.dm-lang-switch a:hover { color: var(--white); background: var(--card-bg); }
.dm-lang-switch a.active { color: var(--theme); font-weight: 600; }
.dm-main { max-width: 1200px; margin: 0 auto; padding: 20px; }
.dm-game-wrap {
  background: var(--bg-darkest);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  margin-bottom: 30px;
}
.dm-game-canvas {
  display: block;
  width: 100%;
  max-width: 960px;
  height: auto;
  aspect-ratio: 960/540;
  margin: 0 auto;
  background: var(--bg-darkest);
  touch-action: none;
}
.dm-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}
.dm-section h2 {
  color: var(--theme);
  font-size: 22px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dm-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.dm-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 20px;
  transition: transform 0.2s, border-color 0.2s;
}
.dm-card:hover {
  transform: translateY(-2px);
  border-color: var(--theme);
}
.dm-card h3 {
  color: var(--accent);
  font-size: 16px;
  margin-bottom: 8px;
}
.dm-card p { color: var(--muted); font-size: 14px; }
.dm-faq { max-width: 800px; }
.dm-faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
}
.dm-faq-q {
  padding: 16px 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--white);
  font-size: 15px;
}
.dm-faq-q::after { content: '+'; color: var(--theme); font-size: 20px; transition: transform 0.2s; }
.dm-faq-item.open .dm-faq-q::after { transform: rotate(45deg); }
.dm-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s;
  color: var(--muted);
  font-size: 14px;
}
.dm-faq-item.open .dm-faq-a { max-height: 200px; padding: 0 20px 16px; }
.dm-footer {
  text-align: center;
  padding: 30px 20px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--card-border);
  margin-top: 30px;
}
.dm-footer a { color: var(--theme); text-decoration: none; }
.dm-hero {
  text-align: center;
  padding: 40px 20px 20px;
}
.dm-hero h1 {
  font-size: 36px;
  color: var(--theme);
  margin-bottom: 10px;
}
.dm-hero p {
  color: var(--muted);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto 20px;
}
@media (max-width: 768px) {
  .dm-header { flex-direction: column; gap: 10px; }
  .dm-nav { justify-content: center; }
  .dm-hero h1 { font-size: 28px; }
  .dm-highlights { grid-template-columns: 1fr; }
  .dm-game-canvas { max-width: 100%; }
}
.dm-dark-toggle {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
}
.dm-intro {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}