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

  :root {
    --primary: #e85d04;
    --accent: #ff6b2b;
    --bg: #0a0a0a;
    --card-bg: rgba(255,255,255,0.04);
    --text: #ffffff;
    --sub: rgba(255,255,255,0.55);
    --glow: rgba(232,93,4,0.4);
    --transition: 0.7s cubic-bezier(0.77,0,0.175,1);
  }

  html {
    height: 100%;
    overflow: hidden;
  }

  body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: 'Rajdhani', sans-serif;
    overflow-x: hidden;
    overflow-y: auto;
  }

  /* Background gradient that changes per car */
  .bg-gradient {
    position: fixed; inset: 0;
    background: radial-gradient(ellipse 80% 60% at 70% 50%, var(--glow) 0%, transparent 65%);
    transition: background var(--transition), opacity var(--transition);
    z-index: 0;
    pointer-events: none;
  }

  .bg-noise {
    position: fixed; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.5; z-index: 0; pointer-events: none;
  }

  /* Layout */
  .shell {
    position: relative; z-index: 1;
    width: 100%; min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding: 0 5vw;
    max-width: 1400px;
    margin: 0 auto;
  }

  /* Header */
  header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 28px 0 0;
  }

  .logo {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(14px, 2vw, 18px);
    font-weight: 900;
    letter-spacing: 0.25em;
    color: var(--text);
  }
  .logo span { color: var(--primary); }

  nav { display: flex; gap: 32px; }
  nav a {
    font-size: 13px; letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--sub); text-decoration: none;
    transition: color 0.3s;
  }
  nav a:hover { color: var(--primary); }

  /* Main stage */
  .stage {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    align-items: center;
    gap: 4vw;
  }

  /* Info panel */
  .info { position: relative; }

  .car-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: 11px; letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 20px;
    transition: color var(--transition), border-color var(--transition);
  }
  .car-badge::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    transition: background var(--transition), box-shadow var(--transition);
  }

  .car-name {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(42px, 7vw, 90px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.02em;
    transition: color 0.4s;
    overflow: hidden;
  }

  .car-name .line {
    display: block;
    transform: translateY(0);
    opacity: 1;
    transition: transform 0.5s ease, opacity 0.5s ease;
  }

  .car-name .line.exit { transform: translateY(-60px); opacity: 0; }
  .car-name .line.enter { transform: translateY(60px); opacity: 0; }

  .car-desc {
    margin: 20px 0 32px;
    color: var(--sub);
    font-size: 15px;
    line-height: 1.7;
    max-width: 340px;
    font-weight: 300;
    transition: color 0.4s;
    opacity: 1;
    transition: opacity 0.4s;
  }

  .stats {
    display: flex; gap: 20px;
    margin-bottom: 36px;
    flex-wrap: wrap;
  }

  .stat {
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 12px;
    padding: 14px 20px;
    min-width: 90px;
    transition: border-color var(--transition), transform 0.3s;
  }
  .stat:hover { transform: translateY(-3px); }

  .stat-val {
    font-family: 'Orbitron', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    transition: color var(--transition);
  }
  .stat-label {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--sub);
    margin-top: 4px;
  }

  .cta-row { display: flex; gap: 14px; align-items: center; }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 14px 32px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition), transform 0.2s;
    box-shadow: 0 0 28px var(--glow);
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 40px var(--glow); }

  .btn-ghost {
    background: transparent;
    color: var(--sub);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 14px 28px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color 0.3s, border-color 0.3s;
  }
  .btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,0.4); }

  /* Car visual area */
  .car-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .car-platform {
    position: absolute;
    bottom: -10%;
    width: 85%;
    height: 80px;
    background: radial-gradient(ellipse 100% 100% at 50% 100%, var(--glow) 0%, transparent 70%);
    transition: background var(--transition);
  }

  .car-img-wrap {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .car-img {
    width: 100%;
    max-width: 680px;
    height: 360px;
    object-fit: contain;
    object-position: center bottom;
    filter: drop-shadow(0 30px 60px var(--glow)) drop-shadow(0 10px 20px rgba(0,0,0,0.5));
    transition: filter var(--transition);
    animation: float 4s ease-in-out infinite;
    position: relative; z-index: 2;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
  }

  .car-img.slide-out-left {
    animation: none;
    transform: translateX(-120%) scale(0.85);
    opacity: 0;
  }
  .car-img.slide-in-right {
    animation: none;
    transform: translateX(120%) scale(0.85);
    opacity: 0;
  }
  .car-img.active {
    animation: float 4s ease-in-out infinite;
    transform: translateY(0);
    opacity: 1;
    transition: transform 0.7s cubic-bezier(0.22,1,0.36,1), opacity 0.7s, filter var(--transition);
  }

  /* Decorative circles */
  .circle-deco {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.05);
    pointer-events: none;
    transition: border-color var(--transition);
  }
  .circle-deco.c1 { width: 420px; height: 420px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
  .circle-deco.c2 { width: 580px; height: 580px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
  .circle-deco.c3 { width: 700px; height: 700px; top: 50%; left: 50%; transform: translate(-50%, -50%); border-style: dashed; opacity: 0.4; animation: spin 40s linear infinite; }

  @keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

  /* Car selector / thumbnails */
  .selector {
    padding: 20px 0 30px;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .sel-track {
    display: flex; gap: 12px; flex: 1;
  }

  .sel-item {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 14px;
    padding: 12px 16px;
    cursor: pointer;
    display: flex; align-items: center; gap: 12px;
    transition: border-color 0.4s, background 0.4s, transform 0.3s;
    position: relative;
    overflow: hidden;
  }
  .sel-item::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease, background var(--transition);
  }
  .sel-item.active {
    border-color: var(--primary);
    background: rgba(255,255,255,0.07);
  }
  .sel-item.active::after { transform: scaleX(1); }
  .sel-item:hover { transform: translateY(-2px); }

  .sel-color {
    width: 28px; height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 12px currentColor;
  }

  .sel-info { flex: 1; min-width: 0; }
  .sel-model {
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .sel-price {
    font-size: 11px; color: var(--sub);
    letter-spacing: 0.05em;
  }

  /* Nav arrows */
  .nav-arrow {
    width: 42px; height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.12);
    background: var(--card-bg);
    color: var(--text);
    font-size: 18px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: border-color 0.3s, background 0.3s, transform 0.2s;
    flex-shrink: 0;
  }
  .nav-arrow:hover {
    border-color: var(--primary);
    background: rgba(255,255,255,0.08);
    transform: scale(1.1);
  }

  /* Dots */
  .dots {
    display: flex; gap: 8px; justify-content: center;
    margin-top: 8px;
  }
  .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    cursor: pointer;
    transition: background 0.4s, transform 0.3s, width 0.3s;
  }
  .dot.active {
    background: var(--primary);
    width: 22px;
    border-radius: 3px;
  }

  /* Price tag */
  .price-tag {
    position: absolute;
    top: 12%;
    right: 5%;
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 10px 18px;
    z-index: 5;
    text-align: right;
  }
  .price-label { font-size: 10px; letter-spacing: 0.15em; color: var(--sub); text-transform: uppercase; }
  .price-val {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    transition: color var(--transition);
  }

  /* Transition overlay */
  .overlay {
    position: fixed; inset: 0;
    background: var(--primary);
    z-index: 100;
    transform: scaleX(0);
    transform-origin: left;
    pointer-events: none;
    opacity: 0.15;
  }
  .overlay.flash {
    animation: flash-anim 0.5s ease forwards;
  }
  @keyframes flash-anim {
    0% { transform: scaleX(0); transform-origin: left; }
    50% { transform: scaleX(1); transform-origin: left; }
    51% { transform: scaleX(1); transform-origin: right; }
    100% { transform: scaleX(0); transform-origin: right; }
  }

  /* Speedometer accent line */
  .speed-line {
    position: absolute;
    right: 0; top: 50%;
    width: 2px;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--primary), transparent);
    transform: translateY(-50%);
    opacity: 0.4;
    transition: background var(--transition);
  }

  @media (max-width: 768px) {
    .stage { grid-template-columns: 1fr; grid-template-rows: auto auto; }
    .car-stage { order: -1; height: 240px; }
    nav { display: none; }
    .stat { padding: 10px 14px; }
    .stats { gap: 10px; }
  }