:root {
  --accent: #5b21b6;
  --text: #0f172a;
  --muted: #475569;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, 'Helvetica Neue', Arial;
  color: var(--text);
  background: linear-gradient(180deg, #fafafe 0%, #f6f6ff 60%, #ffffff 100%);
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 1rem; }
.nav {
  display: flex; align-items: center; justify-content: space-between; padding: 1rem 0;
}
.brand { color: var(--text); text-decoration: none; font-weight: 800; letter-spacing: -0.02em; }
.nav-links a { color: var(--text); text-decoration: none; margin-left: 1rem; opacity: .8; }
.nav-links a.btn { margin-left: 1.25rem; }

.btn {
  display: inline-block; padding: .6rem 1rem; border-radius: .75rem;
  border: 1px solid var(--border); background: var(--card); color: var(--text);
}
.btn-primary {
  border-color: transparent; background: var(--accent); color: #fff;
}

.hero { padding: 6rem 0 3rem; text-align: left; }
.hero h1 {
  margin: 0; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -0.02em;
}
.subtitle { margin: 1rem 0 1.25rem; color: var(--muted); max-width: 50ch; }
.cta-row { display: flex; gap: .75rem; align-items: center; }

.section { padding: 3rem 0; }
.section-title { margin: 0 0 .25rem; font-size: 1.5rem; }
.section-sub { margin: 0 0 1.25rem; color: var(--muted); }

.carousel { position: relative; }
.car-track {
  display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 12px;
}
.car-item {
  flex: 0 0 320px; scroll-snap-align: center; text-decoration: none; color: inherit;
  border-radius: 1rem; overflow: hidden; background: var(--card); border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.car-placeholder {
  width: 100%; aspect-ratio: 16/9;
  background: linear-gradient(135deg, #e9e4ff, #f2f0ff);
  border-bottom: 1px solid var(--border);
}
.car-caption { padding: .75rem .875rem 1rem; }
.car-caption h3 { margin: 0 0 .25rem; font-size: 1rem; }
.car-caption p { margin: 0; color: var(--muted); font-size: .9rem; }

.car-btn {
  position: absolute; top: 40%; transform: translateY(-50%);
  width: 36px; height: 36px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); cursor: pointer; opacity: .9;
}
.car-btn.prev { left: -8px; }
.car-btn.next { right: -8px; }

.grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
}
.card {
  grid-column: span 3;
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem; padding: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.card h3 { margin: .25rem 0 .5rem; }
.card p { margin: 0; color: var(--muted); }

@media (max-width: 900px) {
  .car-item { flex-basis: 280px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .card { grid-column: auto; }
}

.faq {
  background: var(--card); border: 1px solid var(--border); border-radius: .75rem;
  padding: .75rem 1rem; margin-bottom: .75rem;
}
.faq summary {
  font-weight: 600; cursor: pointer; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: .5rem 0 0; color: var(--muted); }

.footer {
  padding: 2rem 0 3rem; color: var(--muted);
}