:root {
  --red: #ef2f1c;
  --orange: #ff7a00;
  --yellow: #ffd84d;
  --cream: #fff6df;
  --ink: #23130b;
  --white: #ffffff;
  --shadow: 0 10px 0 rgba(35, 19, 11, 0.15);
  --radius: 24px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Nunito', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 216, 77, 0.6), transparent 28%),
    linear-gradient(180deg, #ffefbb 0%, #ffb24d 40%, #ff7a00 100%);
  color: var(--ink);
}

img {
  max-width: 100%;
}

.site-shell {
  min-height: 100vh;
}

.site-header,
.site-footer,
main {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 246, 223, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 4px solid rgba(35, 19, 11, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  width: auto;
  height: clamp(3rem, 8vw, 4.5rem);
  display: block;
}

.eyebrow,
.hero-kicker {
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 900;
}

.brand h1,
.hero h2,
.page-hero h2,
.section-heading h2,
.car-hero h2 {
  margin: 0;
  font-family: 'Bangers', cursive;
  letter-spacing: 0.03em;
  line-height: 0.95;
}

.brand h1 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.site-nav {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.site-nav a,
.filter-chip,
.button,
.nav-toggle {
  border: 3px solid var(--ink);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.site-nav a,
.nav-toggle {
  padding: 0.8rem 1rem;
  font-size: 1rem;
}

.site-nav a.active,
.site-nav a:hover,
.filter-chip.active,
.filter-chip:hover,
.button-primary,
.nav-toggle:hover {
  background: var(--yellow);
}

.site-nav a:hover,
.filter-chip:hover,
.button:hover,
.nav-toggle:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
}

main {
  padding: 2rem 0 3rem;
}

.hero,
.page-hero,
.car-hero,
.feature-card,
.car-card,
.content-card,
.contact-form {
  border: 4px solid var(--ink);
  box-shadow: var(--shadow);
}

.flame-panel {
  position: relative;
  overflow: hidden;
  border-radius: 36px;
  background:
    linear-gradient(135deg, rgba(239, 47, 28, 0.95), rgba(255, 122, 0, 0.95) 52%, rgba(255, 216, 77, 0.95));
  color: var(--white);
}

.flame-panel::after {
  content: '';
  position: absolute;
  inset: auto -4% -24% -4%;
  height: 55%;
  background:
    radial-gradient(circle at 10% 80%, #ffd84d 0 12%, transparent 13%),
    radial-gradient(circle at 24% 58%, #fff1a6 0 11%, transparent 12%),
    radial-gradient(circle at 40% 84%, #ffd84d 0 13%, transparent 14%),
    radial-gradient(circle at 55% 56%, #fff1a6 0 9%, transparent 10%),
    radial-gradient(circle at 70% 84%, #ffd84d 0 13%, transparent 14%),
    radial-gradient(circle at 84% 60%, #fff1a6 0 10%, transparent 11%);
  opacity: 0.8;
  pointer-events: none;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
  padding: 2rem;
}

.hero h2,
.page-hero h2,
.car-hero h2,
.section-heading h2 {
  font-size: clamp(3rem, 7vw, 5.5rem);
}

.hero p,
.page-hero p,
.car-hero p,
.feature-card p,
.car-card p,
.content-card p,
.contact-form,
.site-footer p {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.5;
}

.hero-actions,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.3rem;
  font-size: 1.05rem;
}

.button-secondary {
  background: var(--white);
}

.button.small {
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
}

.hero-art {
  position: relative;
  min-height: 280px;
}

.track-loop {
  position: absolute;
  inset: 12% 8% 10% 12%;
  border: 16px solid rgba(255,255,255,0.85);
  border-radius: 50% 44% 50% 44%;
  transform: rotate(-8deg);
}

.toy,
.burst {
  position: absolute;
}

.toy {
  width: clamp(6.5rem, 20vw, 10rem);
  aspect-ratio: 2.35 / 1;
}

.race-car {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 40% 55% 26% 30% / 48% 52% 48% 52%;
  border: 4px solid rgba(35, 19, 11, 0.9);
  background: linear-gradient(120deg, #fdfdfd 0 24%, currentColor 25% 100%);
  box-shadow: 0 8px 0 rgba(35, 19, 11, 0.25);
}

.race-car::before,
.race-car::after {
  content: '';
  position: absolute;
}

.race-car::before {
  width: 40%;
  height: 34%;
  left: 28%;
  top: 20%;
  border-radius: 22% 30% 10% 10%;
  background: linear-gradient(130deg, #0e1624, #5f7086);
  border: 3px solid rgba(35, 19, 11, 0.85);
}

.race-car::after {
  width: 90%;
  height: 36%;
  left: 5%;
  bottom: -24%;
  background:
    radial-gradient(circle at 22% 62%, #111 0 23%, transparent 24%),
    radial-gradient(circle at 22% 62%, #a8a8a8 0 13%, transparent 14%),
    radial-gradient(circle at 78% 62%, #111 0 23%, transparent 24%),
    radial-gradient(circle at 78% 62%, #a8a8a8 0 13%, transparent 14%);
}

.race-car-red {
  color: #db1717;
}

.race-car-blue {
  color: #1262d6;
}

.toy-1 { top: 12%; left: 14%; transform: rotate(-10deg); }
.toy-2 { bottom: 12%; right: 14%; transform: rotate(10deg); }

.burst {
  font-family: 'Bangers', cursive;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  background: var(--yellow);
  color: var(--ink);
  padding: 0.55rem 0.9rem;
  border-radius: 16px;
  border: 3px solid var(--ink);
}

.burst-1 { top: 6%; right: 8%; }
.burst-2 { bottom: 10%; left: 8%; }

.section-space {
  margin-top: 2rem;
}

.feature-grid,
.cars-preview,
.cars-grid,
.content-grid,
.contact-layout {
  display: grid;
  gap: 1.25rem;
}

.feature-grid,
.cars-preview,
.cars-grid,
.content-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-up,
.contact-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.car-card,
.content-card,
.contact-form {
  background: rgba(255, 246, 223, 0.95);
  border-radius: var(--radius);
  padding: 1.35rem;
}

.feature-card h3,
.car-card h3,
.content-card h3 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.car-card a {
  color: var(--red);
  font-weight: 900;
}

.car-card.large h3 {
  font-size: clamp(2rem, 3vw, 2.5rem);
}

.tag,
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 900;
}

.tag {
  background: var(--yellow);
  color: var(--ink);
  border: 3px solid var(--ink);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  margin-bottom: 0.8rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filter-chip {
  padding: 0.85rem 1rem;
  font-size: 1rem;
}

.inner-page .compact {
  padding: 1.6rem;
}

.car-hero,
.page-hero {
  padding: 1.8rem;
}

.car-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 1rem;
}

.car-emoji {
  text-align: center;
}

.display-car {
  position: relative;
  display: inline-block;
  width: clamp(10rem, 26vw, 16rem);
  aspect-ratio: 2.4 / 1;
  border: 5px solid var(--ink);
  border-radius: 42% 55% 24% 30% / 50% 55% 45% 50%;
  background: linear-gradient(130deg, #fff 0 22%, currentColor 23% 100%);
  box-shadow: 0 10px 0 rgba(35, 19, 11, 0.28);
}

.display-car::before,
.display-car::after {
  content: '';
  position: absolute;
}

.display-car::before {
  width: 36%;
  height: 34%;
  left: 30%;
  top: 20%;
  border: 4px solid var(--ink);
  border-radius: 22% 32% 10% 12%;
  background: linear-gradient(140deg, #1a2435, #6a7d95);
}

.display-car::after {
  width: 88%;
  height: 40%;
  left: 6%;
  bottom: -26%;
  background:
    radial-gradient(circle at 24% 62%, #0d0d0d 0 24%, transparent 25%),
    radial-gradient(circle at 24% 62%, #b8b8b8 0 12%, transparent 13%),
    radial-gradient(circle at 78% 62%, #0d0d0d 0 24%, transparent 25%),
    radial-gradient(circle at 78% 62%, #b8b8b8 0 12%, transparent 13%);
}

.display-camaro {
  color: #ef2f1c;
}

.display-shaker {
  color: #373737;
}

.display-twin {
  color: #0f6fd6;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 3px solid var(--ink);
  border-radius: 18px;
  font: inherit;
  background: var(--white);
}

.back-link-wrap {
  text-align: left;
}

.site-footer {
  padding: 0.5rem 0 2rem;
  text-align: center;
  font-weight: 800;
}

.hidden-card {
  display: none;
}

@media (max-width: 900px) {
  .hero,
  .feature-grid,
  .cars-preview,
  .cars-grid,
  .content-grid,
  .two-up,
  .contact-layout,
  .car-hero {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-wrap: wrap;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    text-align: center;
  }

  .hero,
  .page-hero,
  .car-hero,
  .feature-card,
  .car-card,
  .content-card,
  .contact-form {
    border-radius: 24px;
  }

  .brand-mark {
    height: 3rem;
  }
}