:root {
  --bg: #08111d;
  --panel: rgba(8, 18, 32, 0.82);
  --line: rgba(103, 216, 255, 0.16);
  --cyan: #67d8ff;
  --blue: #4b78ff;
  --pink: #ff5f87;
  --gold: #ffd36e;
  --ink: #f3f7ff;
  --muted: #9aa8bd;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at top, rgba(75,120,255,.18), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(255,95,135,.16), transparent 22%),
    linear-gradient(180deg, #08111d 0%, #0c1522 44%, #08111b 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black, transparent 84%);
}

.page-shell {
  width: min(1220px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 22px;
  margin-bottom: 28px;
}

.hero-copy,
.hero-card,
.panel,
.track-shell,
.info-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  backdrop-filter: blur(16px);
  box-shadow: 0 28px 80px rgba(0,0,0,.28);
}

.hero-copy,
.hero-card,
.panel,
.info-card {
  padding: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  font-family: "Orbitron", sans-serif;
}

h1 {
  margin-top: 16px;
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: .92;
}

.lede,
.section-head p,
.panel-note,
.info-card p {
  color: var(--muted);
  line-height: 1.7;
}

.lede {
  margin-top: 18px;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 156px;
  padding: 14px 20px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  color: #04111d;
  background: linear-gradient(135deg, var(--cyan), #b5edff);
}

.button.secondary {
  color: var(--ink);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
}

.button-control {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.stats div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.05);
}

.stats strong {
  display: block;
  color: var(--gold);
  font-size: 1.5rem;
}

.stats span {
  display: block;
  color: var(--muted);
  margin-top: 6px;
  font-size: .92rem;
}

.hero-card {
  position: relative;
  overflow: hidden;
  min-height: 360px;
}

.hero-card-glow {
  position: absolute;
  inset: auto auto 0 -5%;
  width: 80%;
  height: 46%;
  background: radial-gradient(circle, rgba(75,120,255,.28), transparent 70%);
  filter: blur(30px);
}

.hero-scene {
  position: relative;
  height: 250px;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, #111a27 0%, #121d2e 40%, #0b1320 100%);
}

.skyline {
  position: absolute;
  bottom: 106px;
  width: 44%;
  height: 90px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.02)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 16px, transparent 16px 28px);
  clip-path: polygon(0 100%, 0 54%, 9% 54%, 9% 30%, 17% 30%, 17% 68%, 26% 68%, 26% 22%, 38% 22%, 38% 56%, 48% 56%, 48% 14%, 62% 14%, 62% 64%, 73% 64%, 73% 36%, 84% 36%, 84% 52%, 100% 52%, 100% 100%);
}

.skyline-left { left: 0; }
.skyline-right { right: 0; transform: scaleX(-1); }

.mini-road {
  position: absolute;
  left: 34px;
  right: 34px;
  bottom: 26px;
  height: 120px;
  border-radius: 60px;
  background: #2f3745;
}

.mini-road::after {
  content: "";
  position: absolute;
  inset: 18px 28px;
  border-radius: 52px;
  background: #101723;
}

.mini-lane {
  position: absolute;
  left: 82px;
  right: 82px;
  bottom: 79px;
  height: 10px;
  background: repeating-linear-gradient(90deg, #fff 0 24px, transparent 24px 46px);
}

.mini-car {
  position: absolute;
  width: 26px;
  height: 46px;
  border-radius: 12px;
  box-shadow: 0 12px 18px rgba(0,0,0,.24);
}

.mini-car::before {
  content: "";
  position: absolute;
  inset: 8px 5px 13px;
  border-radius: 8px;
  background: rgba(12,18,28,.4);
}

.mini-car.player {
  left: 28%;
  bottom: 56px;
  background: linear-gradient(180deg, #67d8ff, #2a78ff);
  transform: rotate(-18deg);
}

.mini-car.cpu.one {
  left: 54%;
  bottom: 74px;
  background: linear-gradient(180deg, #ffb45f, #ff5f87);
  transform: rotate(18deg);
}

.mini-car.cpu.two {
  left: 68%;
  bottom: 38px;
  background: linear-gradient(180deg, #9dffcb, #24af74);
  transform: rotate(28deg);
}

.card-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.card-copy span {
  color: var(--cyan);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.card-copy strong {
  font-size: 1.22rem;
  line-height: 1.4;
}

.garage-section {
  display: grid;
  gap: 20px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.section-head h2 {
  margin-top: 12px;
  font-size: clamp(2rem, 4vw, 3.1rem);
}

.section-head p {
  max-width: 50ch;
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.panel-title {
  color: var(--gold);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.button-stack {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.mode-button,
.utility-button {
  appearance: none;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  padding: 14px 16px;
  border-radius: 16px;
  text-align: left;
  cursor: pointer;
}

.mode-button.active,
.utility-button.active,
.style-button.active {
  border-color: rgba(103,216,255,.34);
  background: linear-gradient(135deg, rgba(103,216,255,.18), rgba(255,255,255,.06));
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.style-button {
  appearance: none;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  padding: 14px 16px;
  border-radius: 16px;
  cursor: pointer;
}

.panel-note {
  margin: 14px 0 0;
}

.select-wrap {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.select-wrap.top-gap {
  margin-top: 14px;
}

.select-wrap label {
  color: var(--muted);
  font-size: .92rem;
}

.select-control {
  appearance: none;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  padding: 14px 16px;
  border-radius: 16px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--cyan);
  font-weight: 700;
}

.track-shell {
  position: relative;
  padding: 14px;
  overflow: hidden;
}

#game {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  background: #131b28;
}

.overlay {
  position: absolute;
  inset: 14px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(8,18,32,.24), rgba(8,18,32,.78)),
    radial-gradient(circle at center, rgba(103,216,255,.14), transparent 34%);
  transition: opacity .22s ease, visibility .22s ease;
}

.overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.overlay-card {
  width: min(100%, 560px);
  padding: 28px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(9,18,30,.92);
  text-align: center;
}

.overlay-card h3 {
  margin-top: 14px;
  font-size: clamp(2rem, 4vw, 3rem);
}

.overlay-card p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.hud-overlay {
  position: absolute;
  top: 24px;
  right: 24px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 360px;
  justify-content: flex-end;
}

.chip {
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(8,18,32,.74);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--muted);
  font-size: .86rem;
}

.chip span {
  color: var(--gold);
  font-weight: 800;
}

.mobile-controls {
  display: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.action {
  appearance: none;
  border: 0;
  color: #05111d;
  font: inherit;
  font-weight: 800;
  padding: 16px 18px;
  border-radius: 18px;
  min-height: 58px;
}

.action-steer { background: linear-gradient(135deg, #67d8ff, #9ef0ff); }
.action-drive { background: linear-gradient(135deg, #8dffba, #cbffd8); }
.action-brake { background: linear-gradient(135deg, #ffb45f, #ffd36e); }
.action-nitro {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #ff5f87, #ff9b67);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.info-card h3 {
  margin-top: 14px;
  font-size: 1.4rem;
}

@media (max-width: 1040px) {
  .hero,
  .setup-grid,
  .info-grid,
  .section-head {
    grid-template-columns: 1fr;
    display: grid;
  }

  .section-head {
    align-items: start;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100vw - 18px, 1200px);
    padding-top: 10px;
  }

  .hero-copy,
  .hero-card,
  .panel,
  .track-shell,
  .info-card {
    padding: 22px;
    border-radius: 24px;
  }

  .stats,
  .style-grid {
    grid-template-columns: 1fr;
  }

  .mobile-controls {
    display: grid;
  }

  .hud-overlay {
    display: none;
  }
}