*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root { --bg: #F7F4EF; --dark: #0C0B09; --red: #E63C1E; --muted: #7A756D; --border: #E0DAD1; --white: #FFFFFF; --card-bg: #EFEAE2; }
    html { scroll-behavior: smooth; }
    body { background: var(--bg); color: var(--dark); font-family: 'DM Sans', sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
    h1,h2,h3,h4,h5 { font-family: 'Inter', sans-serif; font-weight: 700; line-height: 1.08; letter-spacing: -0.03em; }

    nav { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0 48px; height: 68px; background: rgba(247,244,239,0.92); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
    .nav-logo { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 16px; letter-spacing: -0.03em; color: var(--dark); text-decoration: none; display: flex; align-items: center; gap: 9px; }
    .nav-logo-icon { width: 32px; height: 32px; background: var(--dark); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--white); flex-shrink: 0; }
    .nav-actions { display: flex; align-items: center; gap: 8px; }
    .nav-search-btn { width: 41px; height: 41px; border-radius: 100px; border: 1.5px solid var(--border); background: var(--white); display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--muted); flex-shrink: 0; transition: border-color 0.2s, color 0.2s; }
    .nav-search-btn:hover { border-color: var(--dark); color: var(--dark); }
    .nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
    .nav-links a { font-size: 14px; color: var(--muted); text-decoration: none; transition: color 0.2s; }
    .nav-links a:hover { color: var(--dark); }
    .btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; border-radius: 100px; font-family: 'DM Sans', sans-serif; font-size: 13px; font-weight: 500; text-decoration: none; cursor: pointer; transition: all 0.2s ease; border: none; }
    .btn-dark { background: var(--dark); color: var(--white); }
    .btn-outline { background: transparent; color: var(--dark); border: 1.5px solid var(--border); }
    .btn-outline:hover { border-color: var(--dark); }
    .btn-red { background: var(--red); color: var(--white); }
    .btn-red:hover { background: #CC3318; }

    .breadcrumb { padding: 16px 48px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
    .breadcrumb a { color: var(--muted); text-decoration: none; }
    .breadcrumb a:hover { color: var(--dark); }
    .breadcrumb .sep { color: var(--border); }
    .breadcrumb .current { color: var(--dark); font-weight: 500; }

    /* CHECKOUT PROGRESS */
    .checkout-progress {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0;
      padding: 24px 48px;
      border-bottom: 1px solid var(--border);
    }

    .cp-step {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .cp-num {
      width: 32px; height: 32px;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-family: 'Inter', sans-serif;
      font-size: 13px; font-weight: 700;
      border: 2px solid var(--border);
      color: var(--muted);
    }

    .cp-num.active { background: var(--dark); color: white; border-color: var(--dark); }
    .cp-num.done { background: #16A34A; color: white; border-color: #16A34A; font-size: 12px; }

    .cp-label { font-size: 13px; font-weight: 500; color: var(--muted); }
    .cp-label.active { color: var(--dark); font-weight: 700; font-family: 'Inter', sans-serif; }

    .cp-line { width: 64px; height: 1px; background: var(--border); margin: 0 16px; }
    .cp-line.done { background: #16A34A; }

    /* PAGE LAYOUT */
    .cart-page { display: grid; grid-template-columns: 1fr 400px; min-height: calc(100vh - 200px); }

    /* LEFT: CART ITEMS */
    .cart-items { border-right: 1px solid var(--border); }

    .cart-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 36px 48px;
      border-bottom: 1px solid var(--border);
    }

    .cart-header h1 { font-size: 36px; font-weight: 700; letter-spacing: -0.04em; }
    .cart-count { font-size: 14px; color: var(--muted); margin-top: 4px; }
    .clear-cart { font-size: 13px; color: var(--red); cursor: pointer; background: none; border: none; font-family: 'DM Sans', sans-serif; text-decoration: underline; }

    /* Cart item */
    .cart-item {
      display: grid;
      grid-template-columns: 100px 1fr auto;
      gap: 24px;
      padding: 28px 48px;
      border-bottom: 1px solid var(--border);
      align-items: start;
    }

    .cart-item:hover { background: rgba(255,255,255,0.5); }

    .ci-img {
      width: 100px; height: 100px;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      font-size: 36px;
      flex-shrink: 0;
    }

    .ci-img-1, .ci-img-2, .ci-img-3, .ci-img-4, .ci-img-5, .ci-img-6 { background: #EFEAE2; }

    .ci-body {}

    .ci-vendor { font-size: 11px; color: var(--muted); margin-bottom: 4px; display: flex; align-items: center; gap: 4px; }
    .verified { color: var(--red); font-size: 10px; }
    .ci-name { font-family: 'Inter', sans-serif; font-size: 17px; font-weight: 700; letter-spacing: -0.02em; color: var(--dark); margin-bottom: 4px; }
    .ci-sub { font-size: 12px; color: var(--muted); margin-bottom: 16px; }

    .ci-controls { display: flex; align-items: center; gap: 16px; }

    .qty-control { display: flex; align-items: center; border: 1.5px solid var(--border); border-radius: 100px; overflow: hidden; }
    .qty-btn { width: 34px; height: 34px; background: transparent; border: none; font-size: 16px; cursor: pointer; color: var(--dark); display: flex; align-items: center; justify-content: center; }
    .qty-btn:hover { background: var(--card-bg); }
    .qty-num { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 700; width: 36px; text-align: center; border-left: 1px solid var(--border); border-right: 1px solid var(--border); height: 34px; line-height: 34px; }

    .ci-remove { font-size: 12px; color: var(--muted); cursor: pointer; background: none; border: none; font-family: 'DM Sans', sans-serif; text-decoration: underline; }

    .ci-price-col { text-align: right; }
    .ci-price { font-family: 'Inter', sans-serif; font-size: 20px; font-weight: 700; color: var(--dark); letter-spacing: -0.02em; }
    .ci-unit { font-size: 11px; color: var(--muted); margin-top: 2px; }
    .ci-subtotal { font-size: 12px; color: var(--muted); margin-top: 8px; }
    .ci-subtotal strong { font-family: 'Inter', sans-serif; font-weight: 700; color: var(--dark); }

    /* Promo / upsell */
    .cart-promo {
      padding: 24px 48px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .promo-input {
      flex: 1;
      padding: 10px 18px;
      border: 1.5px solid var(--border);
      border-radius: 100px;
      font-size: 13px;
      font-family: 'DM Sans', sans-serif;
      background: transparent;
      color: var(--dark);
      outline: none;
    }
    .promo-input:focus { border-color: var(--dark); }
    .promo-input::placeholder { color: var(--muted); }

    .promo-apply {
      background: var(--dark); color: white; border: none; border-radius: 100px;
      padding: 10px 20px; font-size: 13px; font-weight: 600;
      font-family: 'DM Sans', sans-serif; cursor: pointer;
    }

    .cart-continue {
      padding: 24px 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* UPSELL STRIP */
    .upsell {
      margin: 0 48px 24px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .upsell-icon { font-size: 24px; }
    .upsell-text { flex: 1; }
    .upsell-title { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 700; color: var(--dark); }
    .upsell-sub { font-size: 12px; color: var(--muted); }
    .upsell-progress { flex: 1; }
    .upsell-bar { height: 4px; background: var(--border); border-radius: 100px; overflow: hidden; margin-top: 6px; }
    .upsell-fill { height: 100%; background: #16A34A; border-radius: 100px; width: 68%; }
    .upsell-val { font-size: 11px; color: var(--muted); margin-top: 4px; }

    /* RIGHT: ORDER SUMMARY */
    .order-summary { padding: 36px 36px; }

    .os-title { font-size: 20px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 28px; }

    .os-items { display: flex; flex-direction: column; gap: 0; margin-bottom: 24px; }

    .os-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid var(--border);
    }

    .os-item-img {
      width: 44px; height: 44px;
      border-radius: 8px; overflow: hidden;
      display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
    }

    .osi-1, .osi-2, .osi-3 { background: #EFEAE2; }

    .os-item-info { flex: 1; }
    .os-item-name { font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 700; color: var(--dark); }
    .os-item-sub { font-size: 11px; color: var(--muted); }
    .os-item-price { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 700; color: var(--dark); }

    .os-breakdown { display: flex; flex-direction: column; gap: 0; margin-bottom: 16px; }

    .os-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px solid var(--border);
      font-size: 14px;
    }

    .os-row:last-child { border-bottom: none; }
    .os-row-label { color: var(--muted); }
    .os-row-val { font-family: 'Inter', sans-serif; font-weight: 700; color: var(--dark); }
    .os-row-val.green { color: #16A34A; }
    .os-row-val.red { color: var(--red); }

    .os-total {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 0;
      border-top: 2px solid var(--dark);
      border-bottom: 1px solid var(--border);
      margin-bottom: 24px;
    }

    .os-total-label { font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 700; color: var(--dark); }
    .os-total-val { font-family: 'Inter', sans-serif; font-size: 28px; font-weight: 700; color: var(--dark); letter-spacing: -0.04em; }

    .btn-checkout {
      width: 100%;
      background: var(--red); color: white; border: none;
      border-radius: 100px; padding: 18px 28px;
      font-size: 16px; font-weight: 700;
      font-family: 'Inter', sans-serif; cursor: pointer;
      transition: all 0.2s;
      display: flex; align-items: center; justify-content: center; gap: 8px;
      letter-spacing: -0.01em;
    }

    .btn-checkout:hover { background: #CC3318; box-shadow: 0 8px 24px rgba(230,60,30,0.28); transform: translateY(-1px); }

    .os-trust {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px solid var(--border);
    }

    .trust-item { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }

    .os-payment-icons {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 16px;
    }

    .pay-icon {
      padding: 5px 10px;
      border: 1px solid var(--border);
      border-radius: 6px;
      font-size: 11px;
      font-weight: 700;
      color: var(--muted);
      font-family: 'Inter', sans-serif;
      background: white;
    }

    /* FOOTER */
    footer { padding: 56px 48px 36px; border-top: 1px solid var(--border); }
    .footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
    .footer-brand p { font-size: 14px; color: var(--muted); line-height: 1.65; max-width: 280px; margin-top: 14px; }
    .footer-col h4 { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--dark); margin-bottom: 18px; }
    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-col ul a { font-size: 14px; color: var(--muted); text-decoration: none; transition: color 0.2s; }
    .footer-col ul a:hover { color: var(--dark); }
    .footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 28px; border-top: 1px solid var(--border); }
    .footer-bottom p { font-size: 13px; color: var(--muted); }
    .footer-bottom p span { color: var(--dark); font-weight: 500; }

    /* ─── RESPONSIVE ──────────────────────────────────── */
    @media (max-width: 768px) {
      /* Cart layout: single column, summary on top */
      .cart-page {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column-reverse;
      }
      .cart-items { border-right: none; }

      /* Order summary: border bottom instead of sticky right panel */
      .order-summary {
        padding: 28px 20px;
        border-bottom: 1px solid var(--border);
      }

      .cart-header { padding: 28px 20px; }
      .cart-header h1 { font-size: 28px; }

      .cart-item {
        grid-template-columns: 80px 1fr;
        gap: 16px;
        padding: 20px 20px;
      }
      .ci-price-col { grid-column: 1 / -1; display: flex; gap: 12px; align-items: center; }
      .ci-price { font-size: 17px; }

      .cart-promo { padding: 16px 20px; flex-wrap: wrap; }
      .promo-input { width: 100%; border-radius: 10px; }

      .cart-continue { padding: 16px 20px; flex-direction: column; gap: 12px; align-items: stretch; }
      .cart-continue .btn { width: 100%; justify-content: center; }

      .upsell { margin: 0 20px 16px; flex-wrap: wrap; }
      .upsell-progress { width: 100%; }

      /* Checkout progress */
      .checkout-progress { padding: 16px 20px; gap: 0; }
      .cp-label { display: none; }
      .cp-label.active { display: block; }
      .cp-line { width: 32px; margin: 0 8px; }

      footer { padding: 36px 20px 28px; }
      .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 36px; }
      .footer-bottom { flex-direction: column; gap: 12px; padding-top: 20px; }
    }

    @media (max-width: 480px) {
      .cart-item { grid-template-columns: 72px 1fr; gap: 12px; padding: 16px; }
      .ci-img { width: 72px; height: 72px; }
      .footer-top { grid-template-columns: 1fr; }
    }