:root {
    --bg: #080808;
    --bg2: #0f0f0f;
    --bg3: #161616;
    --surface: #1c1c1c;
    --border: #2a2a2a;
    --accent: #950606;
    --accent2: #ff5c00;
    --text: #f0f0f0;
    --muted: #666;
    --subtle: #333;
    --font-display: 'Bebas Neue', sans-serif;
    --font-mono: 'DM Mono', monospace;
    --font-body: 'DM Sans', sans-serif;
  }

  *, *::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: 15px;
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* NOISE OVERLAY */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    opacity: 0.025;
    pointer-events: none;
    z-index: 9999;
  }

  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(8,8,8,0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-logo {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 2px;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
  }

  .nav-logo img {
    height: 36px;
    width: auto;
    display: block;
    
  }

  .nav-logo span { color: var(--text); }

  .nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
  }

  .nav-links a {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
  }

  .nav-links a:hover { color: var(--accent); }

  .nav-cart-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 8px 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s;
  }

  .nav-cart-btn:hover { background: #fff; color: var(--accent); }

  .cart-count {
    background: var(--bg);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
  }

  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
  }

  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 24px 32px;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
  }

  .mobile-menu.open { display: flex; }

  .mobile-menu a {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
  }

  /* ── HERO ── */
  #hero {
    min-height: 100vh;
    padding: 60px 0 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }

  .hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
  }

  .hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(58,142,255,0.08) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    padding: 80px 48px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 340px 1fr;
    grid-template-rows: auto;
    gap: 0 64px;
    align-items: start;
  }

  .hero-logo-col {
    grid-column: 1;
    grid-row: 1 / 4;
    background: transparent;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 36px;
    align-self: stretch;
  }

  .hero-logo-col img {
    width: 100%;
    height: auto;
    display: block;
  }

  .hero-text-col {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-direction: column;
  }

  .hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #e74c3c;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--accent);
  }

  .hero-title {
    font-family: var(--font-display);
    font-size: clamp(72px, 12vw, 160px);
    line-height: 0.9;
    letter-spacing: -1px;
    color: var(--text);
    margin-bottom: 12px;
  }

  .hero-title .hl { color: var(--accent); }

  .hero-subtitle {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 1px;
    max-width: 420px;
    margin: 24px 0 40px;
    line-height: 1.8;
  }

  .hero-cta-row {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
  }

  .btn-primary {
    background: var(--accent);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 14px 32px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
    font-weight: 500;
  }

  .btn-primary:hover {
    background: #fff;
    color: var(--accent);
    transform: translateY(-1px);
  }

  .btn-ghost {
    background: transparent;
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 13px 32px;
    border: 1px solid var(--border);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
  }

  .btn-ghost { border-color: rgba(255,255,255,0.4); color: #fff; }
  .btn-ghost:hover { border-color: #fff; color: #fff; }

  .hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 80px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
  }

  .stat-item {}
  .stat-num {
    font-family: var(--font-display);
    font-size: 48px;
    color: var(--accent);
    line-height: 1;
  }
  .stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 4px;
  }

  /* ── SECTION STYLES ── */
  section { padding: 100px 48px; max-width: 1200px; margin: 0 auto; }

  .section-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #e74c3c;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .section-eyebrow::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1px;
    background: #e74c3c;
  }

  .section-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1;
    margin-bottom: 48px;
    letter-spacing: 1px;
  }

  .divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0 48px;
  }

  /* ── OFFER SECTION ── */
  #offer {
    background: var(--bg);
    padding: 0;
    max-width: 100%;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .offer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }

  .offer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(58,142,255,0.1);
    border: 1px solid rgba(58,142,255,0.3);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 6px 16px;
    margin-bottom: 24px;
  }

  .offer-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
  }

  .offer-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 6vw, 80px);
    line-height: 0.95;
    margin-bottom: 20px;
  }

  .offer-title .price-tag {
    color: var(--accent);
    font-size: 0.7em;
    display: block;
  }

  .offer-desc {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 380px;
  }

  .offer-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 36px;
  }

  .spec-item {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 14px 16px;
  }

  .spec-label {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 4px;
  }

  .spec-value {
    font-family: var(--font-mono);
    font-size: 15px;
    color: #fff;
    font-weight: 500;
  }

  .offer-visual {
    position: relative;
    aspect-ratio: 1;
    max-width: 500px;
  }

  .offer-visual-bg {
    position: absolute;
    inset: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    z-index: 0;
  }

  .offer-visual-accent {
    position: absolute;
    top: -1px; left: -1px;
    width: 80px;
    height: 3px;
    background: var(--accent);
    z-index: 0;
  }

  .offer-visual-img {
    position: absolute;
    inset: 0;
    z-index: 2;
    overflow: hidden;
  }
  
  .offer-visual-img img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  /* SVG motor illustration */
  .motor-svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(58,142,255,0.15));
  }

  .offer-tag {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-display);
    font-size: 32px;
    padding: 8px 16px;
    line-height: 1;
    z-index: 3;
  }

  /* ── PARTS GRID ── */
  #parts {
    padding-bottom: 120px;
  }

  .parts-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
  }

  .filter-btn {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 8px 20px;
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
  }

  .filter-btn.active, .filter-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
  }

  .parts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
  }

  .product-card {
    background: var(--bg2);
    padding: 0;
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .product-card:hover { background: var(--bg3); }

  .product-card:hover .add-to-cart-overlay { opacity: 1; }

  .product-img {
    aspect-ratio: 4/3;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }

  .product-img::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: var(--border);
  }

  .product-category {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--muted);
    padding: 16px 20px 0;
  }

  .product-name {
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 0.5px;
    padding: 6px 20px;
    color: var(--text);
    line-height: 1.2;
  }

  .product-desc {
    font-size: 12px;
    color: var(--muted);
    padding: 0 20px;
    line-height: 1.6;
    flex: 1;
  }

  .product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    margin-top: 16px;
    border-top: 1px solid var(--border);
  }

  .product-price {
    font-family: var(--font-mono);
    font-size: 18px;
    color: var(--accent);
    font-weight: 500;
  }

  .product-price .orig {
    font-size: 11px;
    color: var(--muted);
    text-decoration: line-through;
    margin-right: 6px;
  }

  .add-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.2s;
  }

  .add-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
  }

  .product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent2);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 10px;
    z-index: 2;
  }

  /* ── CART SECTION ── */
  #cart {
    background: var(--bg);
    max-width: 100%;
    padding: 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .cart-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 48px;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: start;
  }

  .cart-header {
    margin-bottom: 32px;
  }

  .cart-items {
    border: 1px solid var(--border);
  }

  .cart-item {
    display: grid;
    grid-template-columns: 64px 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
  }

  .cart-item:last-child { border-bottom: none; }
  .cart-item:hover { background: var(--surface); }

  .cart-item-thumb {
    width: 64px;
    height: 64px;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    border: 1px solid var(--border);
    flex-shrink: 0;
  }

  .cart-item-details {}
  .cart-item-name {
    font-family: var(--font-display);
    font-size: 18px;
    margin-bottom: 2px;
  }
  .cart-item-sub {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 1px;
  }

  .cart-item-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
  }

  .cart-item-price {
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--accent);
  }

  .qty-control {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--border);
  }

  .qty-btn {
    background: var(--surface);
    border: none;
    color: var(--text);
    width: 28px;
    height: 28px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
  }

  .qty-btn:hover { background: var(--accent); color: #fff; }

  .qty-num {
    font-family: var(--font-mono);
    font-size: 12px;
    width: 32px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    background: var(--bg);
  }

  .remove-btn {
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    transition: color 0.2s;
  }

  .remove-btn:hover { color: var(--accent2); }

  .cart-empty {
    padding: 64px 32px;
    text-align: center;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 2px;
    border: 1px solid var(--border);
  }

  .cart-empty .empty-icon { font-size: 48px; margin-bottom: 16px; display: block; }

  /* SUMMARY BOX */
  .order-summary {
    border: 1px solid var(--border);
    background: var(--bg2);
    padding: 32px;
    position: sticky;
    top: 80px;
  }

  .summary-title {
    font-family: var(--font-display);
    font-size: 24px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
  }

  .summary-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
  }

  .summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0 20px;
    font-family: var(--font-display);
    font-size: 28px;
  }

  .summary-total span:last-child { color: var(--accent); }

  .promo-row {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
  }

  .promo-input {
    flex: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 10px 14px;
    outline: none;
    letter-spacing: 1px;
  }

  .promo-input::placeholder { color: var(--muted); }
  .promo-input:focus { border-color: var(--accent); }

  .promo-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
  }

  .promo-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

  .checkout-btn {
    width: 100%;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 16px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
  }

  .checkout-btn:hover { background: #fff; }

  /* ── CHECKOUT ── */
  #checkout {
    padding-bottom: 120px;
  }

  .checkout-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: start;
  }

  .checkout-form-section { margin-bottom: 40px; }

  .form-section-title {
    font-family: var(--font-display);
    font-size: 22px;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.5px;
  }

  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .form-row.full { grid-template-columns: 1fr; }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
  }

  .form-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
  }

  .form-input, .form-select {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14px;
    padding: 12px 16px;
    outline: none;
    transition: border-color 0.2s;
    appearance: none;
    width: 100%;
  }

  .form-input::placeholder { color: var(--subtle); }
  .form-input:focus, .form-select:focus { border-color: var(--accent); }

  .payment-methods {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
  }

  .payment-method {
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 16px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
  }

  .payment-method.selected, .payment-method:hover {
    border-color: var(--accent);
    background: rgba(58,142,255,0.05);
  }

  .payment-method-icon { font-size: 24px; margin-bottom: 6px; display: block; }
  .payment-method-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
  }

  .checkout-summary { background: var(--bg2); border: 1px solid var(--border); padding: 32px; position: sticky; top: 80px; }

  .place-order-btn {
    width: 100%;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 18px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    margin-top: 8px;
  }

  .place-order-btn:hover { background: #fff; }

  .secure-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--muted);
  }

  /* ── ABOUT ── */
  #about {
    max-width: 100%;
    background: var(--bg2);
    padding: 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .about-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }

  .about-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 5vw, 72px);
    line-height: 0.95;
    margin-bottom: 24px;
  }

  .about-title .num {
    font-family: var(--font-display);
    font-size: 1.3em;
    color: var(--accent);
  }

  .about-text {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 20px;
  }

  .about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
  }

  .value-item {
    border-left: 2px solid var(--accent);
    padding-left: 16px;
  }

  .value-label {
    font-family: var(--font-display);
    font-size: 20px;
    margin-bottom: 4px;
  }

  .value-desc {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.6;
  }

  .about-visual {
    background: var(--surface);
    border: 1px solid var(--border);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }

  .about-visual-text {
    font-family: var(--font-display);
    font-size: clamp(80px, 10vw, 140px);
    color: var(--border);
    position: absolute;
    bottom: -20px;
    right: -20px;
    line-height: 1;
    user-select: none;
  }

  .about-visual-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px;
  }

  .about-icon { font-size: 80px; margin-bottom: 16px; }

  .about-tagline {
    font-family: var(--font-display);
    font-size: 28px;
    color: var(--accent);
    line-height: 1.2;
  }

  /* ── CONTACT ── */
  #contact { padding-bottom: 120px; }

  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: start;
  }

  .contact-info-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .contact-info-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--muted);
  }

  .contact-info-value {
    font-family: var(--font-display);
    font-size: 22px;
    color: var(--text);
    letter-spacing: 0.5px;
  }

  .contact-social {
    display: flex;
    gap: 12px;
    margin-top: 32px;
  }

  .social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
    text-decoration: none;
    font-size: 16px;
    transition: all 0.2s;
  }

  .social-link:hover { border-color: var(--accent); color: var(--accent); }

  .contact-form { display: flex; flex-direction: column; gap: 16px; }

  .contact-form textarea {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14px;
    padding: 12px 16px;
    outline: none;
    resize: vertical;
    min-height: 140px;
    transition: border-color 0.2s;
    width: 100%;
  }

  .contact-form textarea:focus { border-color: var(--accent); }
  .contact-form textarea::placeholder { color: var(--subtle); }

  .submit-btn {
    background: var(--accent);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 16px 40px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    align-self: flex-start;
  }

  .submit-btn:hover { background: #fff; }

  /* ── FOOTER ── */
  footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 48px;
    max-width: 100%;
  }

  .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
  }

  .footer-logo {
    font-family: var(--font-display);
    font-size: 32px;
    color: var(--accent);
    letter-spacing: 2px;
  }

  .footer-logo span { color: var(--text); }

  .footer-copy {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--muted);
    text-transform: uppercase;
  }

  .footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
  }

  .footer-links a {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
  }

  .footer-links a:hover { color: var(--accent); }

  /* ── TOAST ── */
  .toast {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 14px 24px;
    z-index: 9000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
  }

  .toast.show { transform: translateY(0); opacity: 1; }

  /* ── MOBILE ── */
  @media (max-width: 900px) {
    html, body { min-width: 0; width: 100%; overflow-x: hidden; }
    body { font-size: 16px; }

    nav { padding: 0 20px; }
    .nav-logo { font-size: 32px; }
    .nav-links { display: none; }
    .hamburger { display: flex; }

    section { padding: 64px 20px; }
    .divider { margin: 0 20px; }

    .hero-inner { padding: 60px 20px; grid-template-columns: 1fr; width: 100%; display: flex; flex-direction: column; }
    .hero-logo-col { order: 2; padding: 32px 24px; margin-top: 32px; max-width: 100%; }
    .hero-text-col { order: 1; }
    .hero-title { font-size: clamp(48px, 10vw, 120px); }
    .hero-subtitle { font-size: 15px; }
    .hero-stats { order: 3; gap: 24px; margin-top: 48px; }
    .stat-num { font-size: 36px; }

    .offer-inner {
      grid-template-columns: 1fr;
      padding: 64px 20px;
      gap: 40px;
      width: 100%;
    }

    /* enforce product list stack for narrow screens */
    .parts-grid { grid-template-columns: 1fr !important; }
    .product-card { max-width: 100%; width: 100%; }
    .parts-filters { justify-content: space-between; }

    /* prevent any forced large widths */
    .modal, .offer-visual, .offer-inner { max-width: 100%; }
  }

    .offer-title { font-size: clamp(40px, 8vw, 64px); }
    .offer-desc { font-size: 15px; }

    .offer-visual { max-width: 100%; }

    .section-title { font-size: clamp(32px, 8vw, 56px); }

    .product-name { font-size: 20px; }
    .product-desc { font-size: 13px; }
    .product-price { font-size: 16px; }

    .btn-primary, .btn-ghost { font-size: 13px; padding: 16px 36px; }

    .cart-inner {
      grid-template-columns: 1fr;
      padding: 64px 20px;
    }

    .checkout-grid {
      grid-template-columns: 1fr;
    }

    .checkout-summary { position: static; }

    .form-row { grid-template-columns: 1fr; }

    .about-inner {
      grid-template-columns: 1fr;
      padding: 64px 20px;
      gap: 40px;
    }

    .about-visual { display: none; }

    .contact-grid {
      grid-template-columns: 1fr;
      gap: 48px;
    }

    footer { padding: 32px 20px; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 16px; }

    .payment-methods { grid-template-columns: 1fr 1fr 1fr; }
  }

  @media (max-width: 560px) {
    .offer-specs { grid-template-columns: 1fr 1fr; }
    .parts-grid { grid-template-columns: 1fr 1fr; }
    .about-values { grid-template-columns: 1fr; }
    .cart-item { grid-template-columns: 48px 1fr auto; gap: 12px; }
    .cart-item-thumb { width: 48px; height: 48px; font-size: 20px; }
    .payment-methods { grid-template-columns: 1fr 1fr 1fr; }
  }

  @media (max-width: 380px) {
    .parts-grid { grid-template-columns: 1fr; }
  }

  /* ── PRODUCT MODAL ── */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16,1,0.3,1);
  }

  .modal-overlay.open {
    opacity: 1;
    pointer-events: all;
  }

  .modal {
    background: var(--bg2);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 860px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(24px) scale(0.98);
    transition: transform 0.3s cubic-bezier(0.16,1,0.3,1);
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .modal-overlay.open .modal {
    transform: translateY(0) scale(1);
  }

  .modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    width: 36px;
    height: 36px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.2s;
    line-height: 1;
  }

  .modal-close:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

  .modal-visual {
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 60px 40px;
    position: relative;
    min-height: 340px;
  }

  .modal-emoji {
    width: 100%;
    max-width: 280px;
    height: 280px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 24px;
    filter: drop-shadow(0 0 30px rgba(58,142,255,0.2));
    animation: modalFloat 4s ease-in-out infinite;
  }

  @keyframes modalFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }

  .modal-visual-badge {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 5px 14px;
  }

  .modal-visual-accent {
    position: absolute;
    top: 0; left: 0;
    width: 48px;
    height: 3px;
    background: var(--accent);
  }

  .modal-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
  }

  .modal-cat {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .modal-cat::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 1px;
    background: var(--accent);
  }

  .modal-name {
    font-family: var(--font-display);
    font-size: 36px;
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
  }

  .modal-price-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
  }

  .modal-price {
    font-family: var(--font-mono);
    font-size: 28px;
    color: var(--accent);
    font-weight: 500;
  }

  .modal-orig {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--muted);
    text-decoration: line-through;
  }

  .modal-save {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    background: var(--accent2);
    color: #fff;
    padding: 3px 8px;
    text-transform: uppercase;
  }

  .modal-desc {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 24px;
  }

  .modal-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 28px;
  }

  .modal-spec {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 10px 14px;
  }

  .modal-spec-label {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 3px;
  }

  .modal-spec-val {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
  }

  .modal-features {
    margin-bottom: 28px;
  }

  .modal-features-title {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
  }

  .modal-feature {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 12px;
    color: #fff;
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
    line-height: 1.5;
  }

  .modal-feature:last-child { border-bottom: none; }

  .modal-feature::before {
    content: '→';
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 11px;
    flex-shrink: 0;
    margin-top: 1px;
  }

  .modal-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }

  .modal-add-btn {
    flex: 1;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
  }

  .modal-add-btn:hover { background: #fff; color: var(--accent); }

  .modal-wish-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 18px;
    width: 48px;
    height: 48px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
  }

  .modal-wish-btn:hover { border-color: var(--accent); color: var(--accent); }

  .modal-stock {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    color: #4ade80;
    margin-bottom: 16px;
  }

  .modal-stock::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse 2s infinite;
  }

  @media (max-width: 680px) {
    .modal { grid-template-columns: 1fr; }
    .modal-visual { border-right: none; border-bottom: 1px solid var(--border); min-height: 200px; padding: 40px 24px; }
    .modal-emoji { width: 100%; max-width: 140px; height: 140px; }
    .modal-content { padding: 24px; }
    .modal-name { font-size: 28px; }
  }

  /* ── TESTIMONIALS ── */
  #testimonials {
    max-width: 100%;
    background: var(--bg2);
    padding: 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
  }

  .testimonials-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 48px;
  }

  .testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    margin-top: 56px;
  }

  .testimonial-card {
    background: var(--bg);
    padding: 40px 36px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: background 0.25s;
  }

  .testimonial-card:hover { background: var(--bg3); }

  .testimonial-card::before {
    content: '\201C';
    font-family: var(--font-display);
    font-size: 120px;
    color: var(--accent);
    opacity: 0.12;
    position: absolute;
    top: 10px;
    left: 28px;
    line-height: 1;
    pointer-events: none;
  }

  .testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
  }

  .testimonial-star {
    color: var(--accent);
    font-size: 14px;
  }

  .testimonial-quote {
    font-size: 14px;
    line-height: 1.85;
    color: var(--text);
    flex: 1;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
  }

  .testimonial-divider {
    width: 32px;
    height: 1px;
    background: var(--accent);
    margin-bottom: 20px;
    opacity: 0.6;
  }

  .testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: auto;
  }

  .testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    font-family: var(--font-display);
    color: var(--accent);
    font-size: 16px;
    letter-spacing: 0.5px;
  }

  .testimonial-info {}

  .testimonial-name {
    font-family: var(--font-display);
    font-size: 18px;
    letter-spacing: 0.5px;
    line-height: 1;
    margin-bottom: 5px;
  }

  .testimonial-meta {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
  }

  .testimonial-verified {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #4ade80;
    display: flex;
    align-items: center;
    gap: 4px;
    align-self: flex-end;
  }

  .testimonial-verified::before {
    content: '✓';
    font-size: 10px;
  }

  .testimonials-rating-bar {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 0;
    flex-wrap: wrap;
  }

  .rating-big {
    font-family: var(--font-display);
    font-size: 72px;
    color: var(--text);
    line-height: 1;
  }

  .rating-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .rating-stars-row {
    display: flex;
    gap: 5px;
  }

  .rating-stars-row span { color: var(--accent); font-size: 18px; }

  .rating-count {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 1px;
  }

  .rating-breakdown {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-left: auto;
  }

  .rating-bar-row {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .rating-bar-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--muted);
    width: 30px;
    text-align: right;
  }

  .rating-bar-track {
    width: 120px;
    height: 4px;
    background: var(--surface);
    border-radius: 2px;
    overflow: hidden;
  }

  .rating-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @media (max-width: 900px) {
    .testimonials-inner { padding: 64px 20px; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .rating-breakdown { display: none; }
  }

  /* ── SCROLL ANIMATIONS ── */
  .fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .fade-up.visible { opacity: 1; transform: translateY(0); }

  .fade-up:nth-child(2) { transition-delay: 0.1s; }
  .fade-up:nth-child(3) { transition-delay: 0.2s; }
  .fade-up:nth-child(4) { transition-delay: 0.3s; }
  .fade-up:nth-child(5) { transition-delay: 0.4s; }
  .fade-up:nth-child(6) { transition-delay: 0.5s; }

  /* STRIPE INPUT STYLE */
  .card-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
</style>