:root {
      --white: #ffffff;
      --yellow: #FACC15;
      --yellowSoft: #FEF3C7;
      --black: #111827;
      --muted: #6B7280;
      --border: #E5E7EB;
      --blue: #2563EB;
      --shadow: 0 18px 50px rgba(17, 24, 39, .12);
      --radius: 18px;
  }

  .pdp-wrap {
      max-width: 980px;
      margin: 0 auto;
      padding: 16px 14px 96px;
  }

  .pdp-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 20px;
  }

  .back-btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--black);
      font-weight: 900;
      background: rgba(250, 204, 21, .22);
      border: 1px solid rgba(250, 204, 21, .55);
      padding: 10px 12px;
      border-radius: 14px;
  }

  .brand-chip {
      font-weight: 900;
      letter-spacing: .08em;
      font-size: 12px;
      color: #111;
      background: #fff;
      border: 1px solid var(--border);
      padding: 10px 12px;
      border-radius: 999px;
  }

  .pdp-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 16px;
  }

  @media (max-width: 900px) {
      .pdp-grid {
          grid-template-columns: 1fr;
      }
  }

  .card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
  }

  .gallery {
      padding: 14px;
  }

  .main-img {
      width: 100%;
      aspect-ratio: 1/1;
      /* ✅ uniform square */
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(250, 204, 21, .18), #fff);
      border: 1px solid rgba(229, 231, 235, .9);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
  }

  .main-img img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      /* ✅ Amazon-style: no crop */
      background: #fff;
  }

  /* ✅ thumbs row container */
  .thumbs {
      margin-top: 10px;
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding-bottom: 4px;
  }

  /* ✅ each thumb is a square box */
  .thumb {
      min-width: 72px;
      width: 72px;
      height: 72px;
      border-radius: 14px;
      border: 1px solid rgba(229, 231, 235, .9);
      background: #fff;
      overflow: hidden;
      cursor: pointer;
      flex: 0 0 auto;

      display: flex;
      align-items: center;
      justify-content: center;
  }

  .thumb img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      /* ✅ Amazon style (no cutting) */
      background: #fff;
      /* ✅ padding look */
  }

  .thumb.active {
      outline: 3px solid rgba(250, 204, 21, .55);
      border-color: rgba(250, 204, 21, .7);
  }

  .details {
      padding: 16px;
  }

  .title {
      margin: 0;
      font-size: 18px;
      font-weight: 950;
      letter-spacing: -0.02em;
      color: var(--black);
  }

  .sub {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.6;
  }

  .price-box {
      margin-top: 14px;
      padding: 14px;
      border-radius: 16px;
      border: 1px solid rgba(250, 204, 21, .55);
      background: linear-gradient(135deg, rgba(250, 204, 21, .22), #fff);
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
  }

  .price {
      font-size: 18px;
      font-weight: 950;
      color: #111;
  }

  .badges {
      margin-top: 12px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
  }

  .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 999px;
      border: 1px solid rgba(229, 231, 235, .9);
      background: #fff;
      font-size: 12.5px;
      font-weight: 800;
      color: #111;
  }

  .badge i {
      color: var(--blue);
  }

  .spec-card {
      margin-top: 14px;
      padding: 14px;
      border-radius: 16px;
      border: 1px solid rgba(229, 231, 235, .95);
      background: #fff;
  }

  .spec-card h4 {
      margin: 0 0 10px;
      font-size: 14px;
      font-weight: 950;
  }

  .product-description p {
      margin: 6px 0;
      color: #111;
      font-size: 14px;
      line-height: 1.75;
  }

  .cta {
      margin-top: 14px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
  }

  .btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      width: 100%;
      padding: 14px;
      border-radius: 16px;
      font-weight: 950;
      font-size: 14.5px;
      text-decoration: none;
      cursor: pointer;
      border: none;
  }

  .btn-yellow {
      background: linear-gradient(135deg, #FACC15, #FFC107);
      color: #111;
      border: 1px solid rgba(250, 204, 21, .85);
      box-shadow: 0 16px 34px rgba(250, 204, 21, .28);
  }

  .btn-outline {
      background: #fff;
      color: #111;
      border: 1px solid rgba(229, 231, 235, .95);
  }

  .note {
      margin-top: 10px;
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.6;
  }