* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #080b16;
  --panel: #101526;
  --panel-light: #171d31;
  --text: #ffffff;
  --muted: #9ba5bd;
  --accent: #7c5cff;
  --accent-2: #00d4ff;
  --danger: #ff416c;
  --border: rgba(255,255,255,0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 0%, rgba(124,92,255,0.18), transparent 35%),
    var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

button {
  font-family: inherit;
}

.game-page {
  width: min(1200px, 100%);
  margin: auto;
  padding: 24px 18px 60px;
}

.game-wrapper {
  width: 100%;
  max-width: 1100px;
  margin: auto;
}

/* TOP BAR */

.top-bar {
  min-height: 72px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;

  background: rgba(16,21,38,0.94);
  border: 1px solid var(--border);
  border-radius: 18px 18px 0 0;

  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;

  font-size: 18px;
  font-weight: 900;
  letter-spacing: 1.5px;
}

.brand-icon {
  font-size: 27px;
}

.stats {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stat-box {
  min-width: 78px;
  padding: 7px 12px;
  text-align: center;

  background: var(--panel-light);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.stat-label {
  display: block;
  margin-bottom: 2px;

  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1px;
}

.stat-box strong {
  font-size: 18px;
}

.coin-box strong {
  color: #ffd84d;
}

/* GAME */

.game-container {
  position: relative;
  width: 100%;
  overflow: hidden;

  background: #202d27;

  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

#gameCanvas {
  display: block;
  width: 100%;
  height: auto;

  aspect-ratio: 16 / 9;

  background: #4c8b49;
}

/* OVERLAYS */

.screen-overlay {
  position: absolute;
  inset: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 20px;

  background: rgba(4,7,15,0.48);
  backdrop-filter: blur(5px);

  z-index: 10;
}

.hidden {
  display: none !important;
}

.menu-card {
  width: min(420px, 100%);
  padding: 34px 28px;

  text-align: center;

  background: rgba(15,20,36,0.96);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;

  box-shadow:
    0 25px 70px rgba(0,0,0,0.5),
    0 0 40px rgba(124,92,255,0.12);
}

.car-logo {
  font-size: 58px;
  margin-bottom: 5px;
}

.menu-card h1 {
  font-size: clamp(36px, 6vw, 52px);
  font-weight: 950;
  letter-spacing: -2px;
  margin-bottom: 10px;
}

.menu-card h2 {
  font-size: 34px;
  margin-bottom: 8px;
}

.menu-card p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
  margin-bottom: 24px;
}

/* BUTTON */

.main-btn {
  border: 0;
  outline: 0;
  cursor: pointer;

  min-width: 190px;
  padding: 14px 25px;

  color: white;

  font-size: 15px;
  font-weight: 900;

  border-radius: 12px;

  background:
    linear-gradient(135deg, var(--accent), #5a39e8);

  box-shadow:
    0 10px 25px rgba(124,92,255,0.3);

  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.main-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 14px 30px rgba(124,92,255,0.4);
}

.main-btn:active {
  transform: scale(0.97);
}

/* CONTROLS INFO */

.controls-info {
  margin-top: 25px;

  display: flex;
  justify-content: center;
  gap: 18px;
}

.controls-info div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.controls-info span {
  padding: 5px 8px;

  background: #20273c;
  border-radius: 6px;

  font-size: 11px;
  font-weight: 900;
}

.controls-info small {
  color: var(--muted);
  font-size: 9px;
}

/* GAME OVER */

.game-over-icon {
  font-size: 55px;
  margin-bottom: 8px;
}

.result-text {
  margin-bottom: 20px !important;
}

.final-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;

  margin-bottom: 24px;
}

.final-stats div {
  padding: 12px 5px;

  background: #171d31;
  border-radius: 10px;
}

.final-stats span {
  display: block;

  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  margin-bottom: 5px;
}

.final-stats strong {
  font-size: 18px;
}

/* MOBILE DRIFT BUTTON */

.drift-btn {
  display: none;

  position: absolute;
  right: 22px;
  bottom: 22px;

  width: 92px;
  height: 92px;

  border: 3px solid rgba(255,255,255,0.7);
  border-radius: 50%;

  color: white;
  background: rgba(124,92,255,0.78);

  font-size: 13px;
  font-weight: 900;

  z-index: 5;

  box-shadow: 0 8px 25px rgba(0,0,0,0.3);

  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.drift-btn:active {
  transform: scale(0.94);
  background: rgba(90,57,232,0.95);
}

/* BOTTOM CONTROLS */

.game-controls {
  min-height: 58px;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 35px;

  padding: 12px 20px;

  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0 0 18px 18px;
}

.game-controls div {
  display: flex;
  align-items: center;
  gap: 7px;

  color: var(--muted);
  font-size: 12px;
}

kbd {
  min-width: 28px;
  padding: 5px 7px;

  text-align: center;

  color: white;

  background: #1c2337;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;

  font-size: 10px;
  font-weight: 900;
}

/* SEO */

.seo-content {
  max-width: 900px;
  margin: 50px auto 0;

  padding: 0 10px;
}

.seo-content h2 {
  margin: 32px 0 12px;

  font-size: 26px;
  letter-spacing: -0.5px;
}

.seo-content p,
.seo-content li {
  color: #aeb7ca;
  font-size: 15px;
  line-height: 1.8;
}

.seo-content ul {
  padding-left: 22px;
}

/* RESPONSIVE */

@media (max-width: 700px) {

  .game-page {
    padding: 8px 0 40px;
  }

  .top-bar {
    border-radius: 0;
    padding: 10px 12px;
  }

  .brand {
    font-size: 14px;
  }

  .brand-icon {
    font-size: 22px;
  }

  .stats {
    gap: 5px;
  }

  .stat-box {
    min-width: 57px;
    padding: 6px 5px;
  }

  .stat-box strong {
    font-size: 14px;
  }

  .game-container {
    border-left: 0;
    border-right: 0;
  }

  #gameCanvas {
    aspect-ratio: 9 / 14;
  }

  .game-controls {
    display: none;
  }

  .drift-btn {
    display: block;
  }

  .menu-card {
    padding: 25px 18px;
    border-radius: 20px;
  }

  .menu-card h1 {
    font-size: 38px;
  }

  .controls-info {
    gap: 10px;
  }

  .seo-content {
    padding: 0 18px;
    margin-top: 35px;
  }

  .seo-content h2 {
    font-size: 22px;
  }

  .seo-content p,
  .seo-content li {
    font-size: 14px;
  }
}

@media (max-width: 430px) {

  .stat-box {
    min-width: 52px;
  }

  .stat-label {
    font-size: 7px;
  }

  .stat-box strong {
    font-size: 13px;
  }

  .brand {
    letter-spacing: 0;
  }

  .final-stats {
    gap: 5px;
  }

  .drift-btn {
    width: 82px;
    height: 82px;
    right: 16px;
    bottom: 16px;
  }
}