    /* ─── CSS Variables ─── */
    :root {
      --gold:    #c9960c;
      --gold-lt: #e0aa1a;
      --red:     #c0392b;
      --bg:      #0a0a0a;
      --bg2:     #111111;
      --bg3:     #181818;
      --border:  #2a2a2a;
      --text:    #e0e0e0;
      --muted:   #888888;
      --font-display: 'Barlow Condensed', sans-serif;
      --font-body:    'Barlow', sans-serif;
    }

    /* ─── Base ─── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* ─── Scrollbar ─── */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--bg); }
    ::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

    /* ─── Typography helpers ─── */
    .display-title {
      font-family: var(--font-display);
      font-style: italic;
      font-weight: 800;
      line-height: 1.05;
    }

        .hero-union {
            display: flex;
        }

    .gold { color: var(--gold); }
    .label-tag {
      font-family: var(--font-display);
      font-size: 0.72rem;
      letter-spacing: 0.18em;
      font-weight: 600;
      font-style: normal;
    }

    /* ─── NAVBAR ─── */
    #navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      padding: 0 2rem;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(10,10,10,0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid transparent;
      transition: border-color 0.3s;
    }
    #navbar.scrolled { border-color: var(--border); }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      text-decoration: none;
    }
    .nav-logo {
      width: 36px; height: 36px;
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-display);
      font-size: 0.65rem;
      font-weight: 700;
      color: var(--gold);
      letter-spacing: 0.05em;
      line-height: 1.2;
      text-align: center;
    }

        .nav-logo img {
            width: 100%;
        }

    .nav-brand-text {
      font-family: var(--font-display);
      font-size: 1.05rem;
      font-weight: 700;
      letter-spacing: 0.02em;
    }
    .nav-brand-text .gold { color: var(--gold); }
    .nav-brand-text .white { color: #fff; }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 2.5rem;
      list-style: none;
    }
    .nav-links a {
      color: var(--muted);
      text-decoration: none;
      font-family: var(--font-display);
      font-size: 0.78rem;
      letter-spacing: 0.12em;
      font-weight: 600;
      transition: color 0.2s;
    }
    .nav-links a:hover { color: #fff; }

    .nav-lang {
      font-family: var(--font-display);
      font-size: 0.78rem;
      letter-spacing: 0.1em;
      font-weight: 700;
      color: var(--gold);
      background: none;
      border: 1px solid var(--gold);
      padding: 2px 8px;
      cursor: pointer;
      transition: background 0.2s;
    }
    .nav-lang:hover { background: var(--gold); color: #000; }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.4rem;
      cursor: pointer;
    }

    /* ─── HERO ─── */
    #hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding-top: 60px;
      overflow: hidden;
    }
    .hero-bg {
      position: absolute;
      inset: 0;
      filter: brightness(0.3);
    }
    .hero-bg::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to right, rgba(10,10,10,0.9) 45%, transparent 80%);
    }

    .hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    }

    .hero-bg iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 177.78vh;   /* 16/9 * 100vh */
    min-width: 100%;
    height: 56.25vw;   /* 9/16 * 100vw */
    min-height: 100%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    }

    .hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10,10,10,0.88) 40%, rgba(10,10,10,0.3) 100%);
    z-index: 1;
    }


    .hero-content {
      position: relative;
      z-index: 2;
      padding: 6rem 0 4rem;
    }
    .hero-badge {
      display: inline-block;
      font-family: var(--font-display);
      font-size: 0.72rem;
      letter-spacing: 0.2em;
      color: var(--muted);
      margin-bottom: 1rem;
    }
    .hero-h1 {
      font-size: clamp(4.5rem, 10vw, 9rem);
      color: #fff;
      margin-bottom: 0;
    }
    .hero-h1-prime {
      font-size: clamp(4.5rem, 10vw, 9rem);
      color: var(--gold);
      display: block;
      margin-bottom: 1.5rem;
    }
    .hero-tagline {
      font-size: 1.35rem;
      font-weight: 500;
      margin-bottom: 0.4rem;
    }
    .hero-tagline .gold { color: var(--gold-lt); }
    .hero-sub {
      color: var(--muted);
      font-size: 0.95rem;
      max-width: 420px;
      margin-bottom: 2.5rem;
    }
    .btn-gold {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: var(--gold);
      color: #000;
      font-family: var(--font-display);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      padding: 0.85rem 2rem;
      border: none;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.2s, transform 0.15s;
    }
    .btn-gold:hover { background: var(--gold-lt); color: #000; transform: translateY(-1px); }

    .btn-outline-wh {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: transparent;
      color: #fff;
      font-family: var(--font-display);
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      padding: 0.85rem 2rem;
      border: 1px solid rgba(255,255,255,0.35);
      cursor: pointer;
      text-decoration: none;
      transition: border-color 0.2s, background 0.2s;
    }
    .btn-outline-wh:hover { border-color: #fff; background: rgba(255,255,255,0.06); color: #fff; }

    .hero-scroll-hint {
      position: absolute;
      bottom: 2rem;
      left: 50%;
      transform: translateX(-50%);
      color: var(--muted);
      font-size: 1.1rem;
      animation: bounce 1.8s infinite;
    }
    @keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

    /* ─── SECTION generic ─── */
    .section { padding: 7rem 0; }
    .section-title {
      font-size: clamp(2.8rem, 6vw, 5.5rem);
      text-align: center;
      margin-bottom: 0.5rem;
    }
    .section-sub {
      text-align: center;
      color: var(--muted);
      font-size: 0.95rem;
      margin-bottom: 4rem;
    }

    /* ─── TAGLINE SECTION (big quote) ─── */
    #tagline {
      padding: 7rem 0 4rem;
      text-align: center;
    }
    .tagline-h2 {
      font-size: clamp(2.5rem, 5.5vw, 5rem);
      color: #fff;
    }
    .tagline-h2 .gold { color: var(--gold); }
    .tagline-sub {
      color: var(--muted);
      margin-top: 1.2rem;
      font-size: 0.95rem;
    }

    /* ─── UI MOCKUP strip ─── */
    #ui-mockup {
      padding: 0 0 7rem;
    }
    .mockup-frame {
      background: var(--bg3);
      border: 1px solid var(--border);
      border-radius: 6px;
      overflow: hidden;
    }
    .mockup-bar {
      background: #0d0d0d;
      border-bottom: 1px solid var(--border);
      padding: 0.55rem 1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-family: var(--font-display);
      font-size: 0.72rem;
      letter-spacing: 0.1em;
    }
    .mockup-bar .live-dot {
      display: inline-flex; align-items: center; gap: 0.4rem;
    }
    .live-dot .dot {
      width: 8px; height: 8px;
      background: #f59e0b;
      border-radius: 50%;
      animation: pulse 1.4s infinite;
    }
    @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }
    .mockup-body {
      display: grid;
      min-height: 220px;
      font-family: var(--font-display);
      font-size: 0.75rem;
    }
    .mockup-left {
      border-right: 1px solid var(--border);
      padding: 1.2rem;
    }
    .mockup-lap-label { color: var(--muted); letter-spacing: 0.1em; font-size: 0.65rem; }
    .mockup-lap-time { font-size: 1.7rem; font-weight: 700; color: #fff; letter-spacing: 0.03em; }
    .mockup-lap-row { display: flex; justify-content: space-between; margin-top: 0.7rem; color: var(--muted); }
    .mockup-lap-row span:last-child { color: var(--text); }
    .mockup-center {
      padding: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }
    .track-svg { width: 100%; max-width: 360px; opacity: 0.9; }
    .mockup-right {
      border-left: 1px solid var(--border);
      padding: 1.2rem;
    }
    .mockup-right .lap-title { color: var(--muted); letter-spacing: 0.12em; font-size: 0.65rem; margin-bottom: 0.8rem; }
    .position-row {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.3rem 0;
      border-bottom: 1px solid rgba(255,255,255,0.05);
      font-size: 0.73rem;
    }
    .position-row .pos { color: var(--muted); width: 14px; }
    .position-row .driver { flex: 1; font-weight: 600; color: #fff; }
    .position-row .gap { color: var(--muted); }
    .position-row .badge-leader { background: var(--gold); color: #000; font-size: 0.6rem; padding: 1px 5px; font-weight: 700; }
    .position-row .badge-highlighted { background: teal; color: #fff; font-size: 0.6rem; padding: 1px 5px; }
    .mockup-top-bar {
      padding: 0.4rem 1rem;
      border-bottom: 1px solid var(--border);
      display: flex; align-items: center; gap: 1rem;
      font-size: 0.72rem;
    }
    .race-pill {
      display: flex; align-items: center; gap: 0.3rem;
    }
    .race-pill .pill {
      background: #27ae60; width: 28px; height: 12px; border-radius: 6px;
    }
    .race-label { font-weight: 700; letter-spacing: 0.12em; color: #fff; }

    /* ─── COMPARISON ─── */
    #comparison {
      background: var(--bg2);
      padding: 7rem 0;
    }
    .comparison-title {
      font-size: clamp(2.8rem, 6vw, 5.5rem);
      text-align: center;
      margin-bottom: 4rem;
    }
    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
    }
    .comp-col {
      padding: 3rem 3.5rem;
    }
    .comp-col.left {
      border-right: 1px solid var(--border);
      position: relative;
    }
    .comp-col.left::before {
      content: '';
      position: absolute;
      top: 0; left: 0;
      width: 2px; height: 100%;
      background: var(--red);
    }
    .comp-col.right {
      position: relative;
    }
    .comp-col.right::before {
      content: '';
      position: absolute;
      top: 0; right: 0;
      width: 2px; height: 100%;
      background: var(--gold);
    }
    .comp-badge {
      font-family: var(--font-display);
      font-size: 0.7rem;
      letter-spacing: 0.18em;
      font-weight: 600;
      margin-bottom: 1.5rem;
    }
    .comp-badge.red { color: var(--red); }
    .comp-badge.gold { color: var(--gold); }
    .comp-h3 {
      font-size: clamp(1.8rem, 3vw, 2.5rem);
      color: #fff;
      margin-bottom: 1rem;
      opacity: 0.65;
    }
    .comp-col.right .comp-h3 { opacity: 1; }
    .comp-desc {
      color: var(--muted);
      font-size: 0.9rem;
      margin-bottom: 2rem;
    }
    .comp-list { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }
    .comp-list li {
      display: flex; align-items: flex-start; gap: 0.7rem;
      font-size: 0.9rem;
    }
    .comp-list li .bullet {
      width: 8px; height: 8px;
      border-radius: 50%;
      flex-shrink: 0;
      margin-top: 0.45rem;
    }
    .comp-col.left .bullet { background: var(--red); opacity: 0.7; }
    .comp-col.right .bullet { background: var(--gold); }
    .comp-col.left .comp-list li { color: var(--muted); }
    .comp-col.right .comp-list li { color: var(--text); font-weight: 500; }
    .comp-divider {
      height: 1px;
      background: linear-gradient(to right, var(--red) 50%, var(--gold) 50%);
      opacity: 0.25;
      margin-bottom: 4rem;
    }

    /* ─── FEATURES ─── */
    #features {
      padding: 7rem 0;
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      position: relative;
    }
    .features-grid::before {
      content: '';
      position: absolute;
      left: 0; top: 5%;
      width: 2px; height: 90%;
      background: var(--gold);
    }
    .feature-card {
      padding: 2.5rem;
      border-right: 1px solid var(--border);
    }
    .feature-card:last-child,
    .feature-card:nth-child(3),
    .feature-card:nth-child(6) {
      border-right: none;
    }
    .feature-card + .feature-card:nth-child(4),
    .feature-card + .feature-card:nth-child(5),
    .feature-card + .feature-card:nth-child(6) {
      border-top: 1px solid var(--border);
    }
    .feature-icon {
      color: var(--gold);
      font-size: 1.5rem;
      margin-bottom: 1.5rem;
    }
    .feature-h4 {
      font-size: 1.25rem;
      margin-bottom: 0.75rem;
      color: #fff;
    }
    .feature-desc { color: var(--muted); font-size: 0.88rem; }

    /* ─── PRODUCT ─── */
    #product {
      background: var(--bg2);
      padding: 7rem 0;
    }
    .product-label {
      text-align: center;
      margin-bottom: 3rem;
    }
    .hw-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      margin-bottom: 5rem;
    }
    .hw-card .hw-icon {
      color: var(--gold);
      font-size: 1.8rem;
      margin-bottom: 1.2rem;
    }
    .hw-card h4 {
      font-size: 1.5rem;
      margin-bottom: 0.7rem;
      color: #fff;
    }
    .hw-card p { color: var(--muted); font-size: 0.9rem; }

    .sw-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }
    .sw-card {
      background: var(--bg3);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 2.5rem;
      position: relative;
    }
    .sw-card.highlighted {
      border-color: rgba(201,150,12,0.45);
      box-shadow: 0 0 40px rgba(201,150,12,0.07);
    }
    .sw-tier-badge {
      position: absolute;
      top: 2rem; right: 2rem;
      font-family: var(--font-display);
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      padding: 3px 10px;
      border: 1px solid;
    }
    .sw-tier-badge.free { border-color: var(--muted); color: var(--muted); }
    .sw-tier-badge.pro { border-color: var(--gold); color: var(--gold); }

    .sw-card h4 { font-size: 1.5rem; margin-bottom: 0.7rem; color: #fff; }
    .sw-card .sw-desc { color: var(--muted); font-size: 0.88rem; margin-bottom: 1.5rem; }
    .sw-card .sw-trial { color: var(--gold); font-size: 0.83rem; margin-bottom: 1.5rem; }
    .sw-card .sw-trial i { margin-right: 0.4rem; }
    .sw-list { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
    .sw-list li {
      display: flex; align-items: center; gap: 0.6rem;
      font-size: 0.9rem; color: var(--text);
    }
    .sw-list li i { color: var(--gold); font-size: 0.85rem; }
    .sw-card.dim .sw-list li { color: var(--muted); }
    .sw-card.dim .sw-list li i { color: var(--muted); opacity: 0.5; }

    /* ─── MEDIA / VIDEO ─── */
    #media {
      padding: 7rem 0 4rem;
    }
    .yt-wrapper {
      position: relative;
      width: 100%;
      padding-bottom: 56.25%;
      border-radius: 4px;
      overflow: hidden;
      background: #000;
    }
    .yt-wrapper iframe {
      position: absolute;
      inset: 0;
      width: 100%; height: 100%;
      border: none;
    }

    /* ─── GALLERY ─── */
    #gallery {
      padding: 2rem 0 7rem;
    }
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: auto auto;
      gap: 0;
    }
    .gallery-item {
      overflow: hidden;
      aspect-ratio: 4/3;
      background: var(--bg3);
    }
    .gallery-item img {
      width: 100%; height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
      display: block;
    }
    .gallery-item:hover img { transform: scale(1.04); }
    .gallery-placeholder {
      width: 100%; height: 100%;
      background: var(--bg3);
      display: flex; align-items: center; justify-content: center;
      color: var(--muted);
      font-size: 0.8rem;
      font-family: var(--font-display);
      letter-spacing: 0.1em;
    }

    /* ─── CONTACT ─── */
    #contact {
      background: var(--bg2);
      padding: 7rem 0;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: start;
    }
    .form-group { margin-bottom: 1.8rem; }
    .form-label-custom {
      display: block;
      font-family: var(--font-display);
      font-size: 0.68rem;
      letter-spacing: 0.16em;
      color: var(--muted);
      margin-bottom: 0.5rem;
    }
    .form-control-custom {
      width: 100%;
      background: transparent;
      border: none;
      border-bottom: 1px solid var(--border);
      color: var(--text);
      font-family: var(--font-body);
      font-size: 0.92rem;
      padding: 0.5rem 0 0.7rem;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control-custom::placeholder { color: rgba(136,136,136,0.5); }
    .form-control-custom:focus { border-color: var(--gold); }
    textarea.form-control-custom { resize: none; min-height: 90px; }

    .contact-info-block {
      background: var(--bg3);
      border-radius: 6px;
      padding: 3rem 2.5rem;
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }
    .contact-info-title { color: var(--text); font-size: 1.1rem; margin-bottom: 0.5rem; }
    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
    }
    .contact-icon {
      width: 36px; height: 36px;
      border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      color: var(--gold);
      font-size: 0.95rem;
      flex-shrink: 0;
    }
    .contact-item-label { color: var(--muted); font-size: 0.8rem; }
    .contact-item-val { color: var(--text); font-weight: 500; }

    /* ─── FOOTER ─── */
    footer {
      background: var(--bg);
      border-top: 1px solid var(--border);
      padding: 2.5rem 0;
    }
    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .footer-copy {
      color: var(--muted);
      font-size: 0.8rem;
    }
    .footer-links { display: flex; gap: 1.5rem; }
    .footer-links a {
      color: var(--muted);
      text-decoration: none;
      font-size: 0.8rem;
      transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--gold); }

    /* ─── SUCCESS/ERROR states ─── */
    .form-msg {
      display: none;
      padding: 0.75rem 1rem;
      font-size: 0.88rem;
      border-radius: 3px;
      margin-top: 1rem;
    }
    .form-msg.success { background: rgba(39,174,96,0.15); border: 1px solid rgba(39,174,96,0.4); color: #2ecc71; }
    .form-msg.error { background: rgba(192,57,43,0.15); border: 1px solid rgba(192,57,43,0.4); color: #e74c3c; }

    /* ─── Animations ─── */
    .fade-in {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-in.visible {
      opacity: 1;
      transform: none;
    }

    /* ─── Mobile nav ─── */
    .mobile-nav {
      display: none;
      position: fixed;
      top: 60px; left: 0; right: 0;
      background: rgba(10,10,10,0.97);
      backdrop-filter: blur(16px);
      padding: 2rem;
      z-index: 999;
      flex-direction: column;
      gap: 1.5rem;
    }
    .mobile-nav.open { display: flex; }
    .mobile-nav a {
      color: var(--text);
      text-decoration: none;
      font-family: var(--font-display);
      font-size: 1.1rem;
      letter-spacing: 0.12em;
    }

    /* ─── Responsive ─── */
    @media (max-width: 991px) {
      .nav-links, .nav-lang { display: none; }
      .nav-toggle { display: block; }
      .comparison-grid { grid-template-columns: 1fr; }
      .comp-col.left { border-right: none; border-bottom: 1px solid var(--border); }
      .features-grid { grid-template-columns: 1fr 1fr; }
      .feature-card:nth-child(3) { border-right: 1px solid var(--border); }
      .feature-card:nth-child(4) { border-top: 1px solid var(--border); }
      .hw-grid { grid-template-columns: 1fr; gap: 2rem; }
      .sw-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .gallery-grid { grid-template-columns: 1fr 1fr; }
      .mockup-body { grid-template-columns: 1fr; }
      .mockup-center, .mockup-right { display: none; }
    }
    @media (max-width: 576px) {
      .hero-h1, .hero-h1-prime { font-size: 3.5rem; }
      .features-grid { grid-template-columns: 1fr; }
      .gallery-grid { grid-template-columns: 1fr; }
      .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
      .hero-cta-group { flex-direction: column; }
      .btn-gold, .btn-outline-wh { text-align: center; justify-content: center; }
    }