    <link rel="stylesheet" href="../../css/styles.css" />
    
      /* ============================================ */
      /* PRODUCT PAGE - MATCHING YOUR SITE STYLE */
      /* ============================================ */

      /* Prevent horizontal overflow on all screen sizes */
      html {
        overflow-x: hidden;
        max-width: 100%;
      }

      /* Hero Section */
      .product-hero {
        position: relative;
        width: 100%;
        height: 100vh;
        background: linear-gradient(135deg, #f8f6f2 0%, #ffffff 100%);
        scroll-snap-align: start;
        scroll-snap-stop: always;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
      }

      .product-hero-bg-gradient {
        position: absolute;
        top: -20%;
        right: -10%;
        width: 60%;
        height: 120%;
        background: radial-gradient(
          circle,
          rgba(255, 255, 255, 0.35) 0%,
          transparent 70%
        );
        pointer-events: none;
      }

      .product-hero-container {
        position: relative;
        z-index: 2;
        width: 100%;
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 3rem;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 100%;
      }

      .product-hero-content {
        max-width: 800px;
        width: 100%;
        text-align: center;
        margin: 0 auto;
        animation: fadeInUp 0.8s ease forwards;
      }

      .product-hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        margin-bottom: 1rem;
        justify-content: center;
      }

      .product-hero-dot {
        width: 7px;
        height: 7px;
        background: var(--deluxe-red);
        border-radius: 50%;
      }

      .product-hero-badge span {
        font-size: 0.7rem;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.2em;
        color: var(--gray-text);
      }

      .product-hero-title {
        font-size: 3.2rem;
        font-weight: 500;
        line-height: 1.2;
        color: var(--soft-black);
        margin-bottom: 1rem;
        letter-spacing: -0.02em;
      }

      .product-hero-title span {
        color: var(--deluxe-red);
        font-weight: 700;
        position: relative;
        display: inline-block;
      }

      .product-hero-title span::before {
        content: "";
        position: absolute;
        bottom: 8px;
        left: 0;
        right: 0;
        height: 8px;
        background: rgba(255, 255, 255, 0.75);
        z-index: -1;
      }

      .product-hero-divider {
        width: 60px;
        height: 2px;
        background: var(--deluxe-red);
        margin: 0 auto 1.2rem;
        border-radius: 2px;
      }

      .product-hero-description {
        font-size: 1rem;
        line-height: 1.6;
        color: var(--gray-text);
        margin-bottom: 1.5rem;
        max-width: 650px;
        margin-left: auto;
        margin-right: auto;
      }

      .product-hero-stats {
        display: flex;
        gap: 2rem;
        margin-bottom: 1.5rem;
        padding-top: 0.5rem;
        border-top: 1px solid rgba(0, 0, 0, 0.06);
        justify-content: center;
        flex-wrap: wrap;
      }

      .product-hero-stat {
        text-align: center;
      }

      .product-hero-stat-number {
        display: block;
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--deluxe-red);
        margin-bottom: 0.2rem;
        letter-spacing: -0.02em;
      }

      .product-hero-stat-label {
        font-size: 0.7rem;
        color: var(--gray-text);
        text-transform: uppercase;
        letter-spacing: 0.05em;
      }

      .product-hero-links {
        display: flex;
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
      }

      .product-hero-link {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.8rem;
        font-weight: 500;
        color: var(--deluxe-red);
        text-decoration: none;
        transition: all 0.3s ease;
        padding: 0.5rem 0;
        border-bottom: 1px solid transparent;
      }

      .product-hero-link:hover {
        gap: 0.75rem;
        border-bottom-color: var(--deluxe-red);
      }

      /* Product Overview Section */
      .product-overview {
        position: relative;
        width: 100%;
        min-height: 100vh;
        background: var(--bg-white);
        scroll-snap-align: start;
        scroll-snap-stop: always;
        display: flex;
        align-items: center;
        padding: 80px 2rem;
      }

      .product-overview-container {
        max-width: 1280px;
        margin: 0 auto;
        width: 100%;
      }

      .product-overview-grid {
        display: grid;
        grid-template-columns: minmax(320px, 430px) minmax(120px, 170px) 1fr;
        gap: 1.5rem;
        align-items: center;
      }

      .product-image {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
      }

      .product-gallery {
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        margin: 0 auto;
      }

      .product-image img {
        max-width: 100%;
        max-height: 430px;
        object-fit: contain;
      }

      .product-thumbnails {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
      }

      .product-thumb-rail {
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .product-thumb-rail .product-thumbnails {
        flex-direction: column;
      }

      .product-thumb {
        width: 88px;
        height: 88px;
        border: 2px solid #e5e7eb;
        border-radius: 10px;
        background: #ffffff;
        padding: 0.25rem;
        cursor: pointer;
        transition:
          border-color 0.2s ease,
          transform 0.2s ease;
      }

      .product-thumb:hover {
        border-color: rgba(229, 57, 53, 0.5);
        transform: translateY(-2px);
      }

      .product-thumb.active {
        border-color: var(--deluxe-red);
      }

      .product-thumb img {
        width: 100%;
        height: 100%;
        object-fit: contain;
      }

      .product-info h1 {
        font-size: 2rem;
        font-weight: 700;
        color: var(--soft-black);
        margin-bottom: 0.5rem;
      }

      .product-info .viscosity {
        font-size: 1rem;
        font-weight: 600;
        color: var(--deluxe-red);
        margin-bottom: 1rem;
        letter-spacing: 1px;
      }

      .product-info .description {
        font-size: 0.9rem;
        line-height: 1.6;
        color: var(--gray-text);
        margin-bottom: 1.5rem;
      }

      .product-specs-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-bottom: 1.5rem;
      }

      .product-spec-item {
        background: var(--bg-light);
        padding: 0.8rem;
        border-radius: 12px;
        border: 1px solid var(--gray-medium);
      }

      .product-spec-item .label {
        font-size: 0.65rem;
        font-weight: 500;
        color: var(--gray-text);
        text-transform: uppercase;
        margin-bottom: 0.3rem;
      }

      .product-spec-item .value {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--soft-black);
      }

      .product-cert-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 0.6rem;
        margin-bottom: 1.5rem;
      }

      .product-cert-badge {
        background: rgba(255, 255, 255, 0.92);
        color: var(--deluxe-red);
        padding: 0.3rem 0.8rem;
        border-radius: 30px;
        font-size: 0.7rem;
        font-weight: 500;
      }

      /* Features Section */
      .product-features {
        position: relative;
        width: 100%;
        min-height: 100vh;
        background: var(--bg-alt);
        scroll-snap-align: start;
        scroll-snap-stop: always;
        display: flex;
        align-items: center;
        padding: 80px 2rem;
      }

      .features-container {
        max-width: 1280px;
        margin: 0 auto;
        width: 100%;
      }

      .section-header {
        text-align: center;
        margin-bottom: 3rem;
      }

      .section-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        margin-bottom: 0.8rem;
        justify-content: center;
      }

      .section-dot {
        width: 7px;
        height: 7px;
        background: var(--deluxe-red);
        border-radius: 50%;
      }

      .section-badge span {
        font-size: 0.7rem;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.2em;
        color: var(--gray-text);
      }

      .section-title {
        font-size: 2.2rem;
        font-weight: 500;
        line-height: 1.2;
        color: var(--soft-black);
        margin-bottom: 0.8rem;
        letter-spacing: -0.02em;
      }

      .section-title span {
        color: var(--deluxe-red);
        font-weight: 700;
      }

      .section-divider {
        width: 50px;
        height: 2px;
        background: var(--deluxe-red);
        margin: 0 auto 1rem;
        border-radius: 2px;
      }

      .section-subtitle {
        font-size: 0.9rem;
        color: var(--gray-text);
        max-width: 600px;
        margin: 0 auto;
        line-height: 1.5;
      }

      .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
      }

      .feature-card {
        background: white;
        border-radius: 20px;
        padding: 2rem;
        text-align: center;
        transition: all 0.3s ease;
        border: 1px solid var(--gray-medium);
      }

      .feature-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
      }

      .feature-icon {
        width: 60px;
        height: 60px;
        background: rgba(255, 255, 255, 0.92);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1rem;
        color: var(--deluxe-red);
      }

      .feature-icon i {
        font-size: 1.5rem;
      }

      .feature-title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--soft-black);
        margin-bottom: 0.5rem;
      }

      .feature-desc {
        font-size: 0.75rem;
        color: var(--gray-text);
        line-height: 1.5;
      }

      /* Specifications Section */
      .product-specifications {
        position: relative;
        width: 100%;
        min-height: 100vh;
        background: var(--bg-white);
        scroll-snap-align: start;
        scroll-snap-stop: always;
        display: flex;
        align-items: center;
        padding: 80px 2rem;
      }

      .specs-container {
        max-width: 1280px;
        margin: 0 auto;
        width: 100%;
      }

      .specs-table-wrapper {
        width: 100%;
        overflow-x: auto;
        border-radius: 20px;
      }

      .specs-table {
        background: white;
        border-radius: 20px;
        overflow: hidden;
        border: 1px solid var(--gray-medium);
        min-width: 500px;
      }

      .specs-table table {
        width: 100%;
        border-collapse: collapse;
      }

      .specs-table th,
      .specs-table td {
        padding: 1rem 1.5rem;
        text-align: left;
        border-bottom: 1px solid var(--gray-medium);
      }

      .specs-table th {
        background: var(--bg-alt);
        font-weight: 600;
        color: var(--soft-black);
        font-size: 0.85rem;
        width: 40%;
      }

      .specs-table td {
        font-size: 0.85rem;
        color: var(--gray-text);
      }

      .specs-table tr:last-child th,
      .specs-table tr:last-child td {
        border-bottom: none;
      }

      /* Applications Section */
      .product-applications {
        position: relative;
        width: 100%;
        min-height: 100vh;
        height: 100vh;
        background-color: #000000;
        background-image:
          linear-gradient(
            110deg,
            rgba(0, 0, 0, 0.72) 0%,
            rgba(0, 0, 0, 0.48) 45%,
            rgba(0, 0, 0, 0.68) 100%
          ),
          url("https://i.pinimg.com/736x/d9/4a/64/d94a643f26453333ad4354daad504b9c.jpg"),
          url("../assets/home/categories/engine-oils.jpg");
        background-repeat: no-repeat;
        background-position: center, center, center;
        background-size: cover, cover, cover;
        background-image:
          linear-gradient(
            110deg,
            rgba(0, 0, 0, 0.72) 0%,
            rgba(0, 0, 0, 0.48) 45%,
            rgba(0, 0, 0, 0.68) 100%
          ),
          url("https://i.pinimg.com/736x/d9/4a/64/d94a643f26453333ad4354daad504b9c.jpg"),
          url("../assets/home/categories/engine-oils.jpg") !important;
        background-position: center, center, center !important;
        background-size: cover, cover, cover !important;
        scroll-snap-align: start;
        scroll-snap-stop: always;
        display: flex;
        align-items: center;
        padding: 60px 2rem;
        overflow: hidden;
      }

      #applications.product-applications {
        background-image:
          linear-gradient(
            110deg,
            rgba(0, 0, 0, 0.72) 0%,
            rgba(0, 0, 0, 0.48) 45%,
            rgba(0, 0, 0, 0.68) 100%
          ),
          url("https://i.pinimg.com/736x/d9/4a/64/d94a643f26453333ad4354daad504b9c.jpg"),
          url("../assets/home/categories/engine-oils.jpg") !important;
        background-size: cover, cover, cover !important;
        background-position: center, center, center !important;
      }

      .product-applications::before {
        content: none;
      }

      .applications-container {
        max-width: 1280px;
        margin: 0 auto;
        width: 100%;
        position: relative;
        z-index: 1;
      }

      .applications-layout {
        display: grid;
        grid-template-columns: minmax(340px, 460px) 1fr;
        gap: 2rem;
        align-items: stretch;
      }

      .applications-intro {
        position: relative;
        top: auto;
        margin-top: 0;
        padding: 1.6rem;
        min-height: auto;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        border: 1px solid rgba(255, 255, 255, 0.18);
        border-radius: 18px;
        background: rgba(8, 8, 8, 0.72);
        backdrop-filter: blur(3px);
      }

      .applications-intro .section-title {
        font-size: 3rem;
        line-height: 1.05;
      }

      .applications-intro .section-header {
        text-align: left;
        margin-bottom: 0;
      }

      .applications-intro .section-badge,
      .applications-intro .section-divider {
        justify-content: flex-start;
        margin-left: 0;
        margin-right: 0;
      }

      .applications-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(280px, 1fr));
        gap: 1.5rem;
      }

      .application-card.featured {
        grid-column: 1 / -1;
      }

      .application-card {
        background: linear-gradient(
          160deg,
          rgba(255, 255, 255, 0.06) 0%,
          rgba(255, 255, 255, 0.02) 100%
        );
        backdrop-filter: blur(2px);
        border-radius: 20px;
        padding: 1.6rem;
        transition: all 0.3s ease;
        border: 1px solid rgba(255, 255, 255, 0.16);
      }

      .application-card:hover {
        transform: translateY(-5px) scale(1.01);
        border-color: rgba(255, 255, 255, 0.3);
        box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
      }

      .application-card h3 {
        font-size: 1.15rem;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 1rem;
        padding-bottom: 0.5rem;
        border-bottom: 2px solid rgba(255, 255, 255, 0.3);
        display: inline-block;
      }

      .application-card ul {
        list-style: none;
        padding: 0;
      }

      .application-card li {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.88rem;
        color: rgba(255, 255, 255, 0.83);
        margin-bottom: 0.5rem;
      }

      .application-card li i {
        width: 20px;
        color: var(--deluxe-red);
      }

      .product-applications .section-badge span {
        color: rgba(255, 255, 255, 0.7);
      }

      .product-applications .section-title {
        color: #ffffff;
      }

      .product-applications .section-subtitle {
        color: rgba(255, 255, 255, 0.78);
      }

      .applications-note {
        margin-top: 1.4rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.14);
        color: rgba(255, 255, 255, 0.62);
        font-size: 0.78rem;
        line-height: 1.5;
      }

      /* CTA Section */
      .product-cta {
        position: relative;
        width: 100%;
        height: 100vh;
        background: linear-gradient(135deg, #ffffff 0%, #f8f6f2 100%);
        scroll-snap-align: start;
        scroll-snap-stop: always;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
      }

      .product-cta-container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 2rem;
        width: 100%;
        text-align: center;
      }

      .product-cta-title {
        font-size: 2rem;
        font-weight: 600;
        color: var(--soft-black);
        margin-bottom: 1rem;
      }

      .product-cta-subtitle {
        font-size: 1rem;
        color: var(--gray-text);
        margin-bottom: 2rem;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
      }

      .product-cta-buttons {
        display: flex;
        gap: 1rem;
        justify-content: center;
        flex-wrap: wrap;
      }

      .cta-btn-primary {
        display: inline-block;
        padding: 0.9rem 2.2rem;
        background: var(--deluxe-red);
        color: white;
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 600;
        transition: all 0.3s ease;
        border-radius: 2px;
      }

      .cta-btn-primary:hover {
        background: #ffffff;
        color: var(--deluxe-red);
        border: 1px solid var(--deluxe-red);
        transform: translateY(-2px);
      }

      .cta-btn-secondary {
        display: inline-block;
        padding: 0.9rem 2.2rem;
        background: transparent;
        color: var(--soft-black);
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 600;
        transition: all 0.3s ease;
        border: 1.5px solid var(--gray-medium);
        border-radius: 2px;
      }

      .cta-btn-secondary:hover {
        border-color: var(--deluxe-red);
        color: var(--deluxe-red);
        transform: translateY(-2px);
      }

      @keyframes fadeInUp {
        from {
          opacity: 0;
          transform: translateY(30px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      /* Responsive */
      @media (max-width: 1024px) {
        .product-overview-grid {
          grid-template-columns: 1fr;
          gap: 2rem;
          text-align: center;
        }
        .product-thumb-rail {
          order: 2;
        }
        .product-thumb-rail .product-thumbnails {
          flex-direction: row;
        }
        .product-info {
          order: 3;
          text-align: center;
        }
        .product-gallery {
          order: 1;
          gap: 1rem;
        }
        .product-specs-grid {
          max-width: 500px;
          margin-left: auto;
          margin-right: auto;
        }
        .product-cert-badges {
          justify-content: center;
        }
        .features-grid {
          grid-template-columns: repeat(2, 1fr);
        }
        .applications-grid {
          grid-template-columns: repeat(2, 1fr);
        }
        .product-applications {
          height: auto;
          background-size: cover, cover, cover;
          background-position: center, center, center;
          background-size: cover, cover, cover !important;
          background-position: center, center, center !important;
        }
        #applications.product-applications {
          background-size: cover, cover, cover !important;
          background-position: center, center, center !important;
        }
        .applications-layout {
          grid-template-columns: 1fr;
          gap: 1.5rem;
        }
        .applications-intro {
          position: relative;
          top: auto;
          margin-top: 0;
          min-height: auto;
        }
        .applications-intro .section-header {
          text-align: center;
        }
        .applications-intro .section-badge,
        .applications-intro .section-divider {
          justify-content: center;
          margin-left: auto;
          margin-right: auto;
        }
        .application-card.featured {
          grid-column: 1 / -1;
        }
        .product-hero-title {
          font-size: 2.5rem;
        }
      }

      @media (max-width: 768px) {
        /* Disable scroll-snap entirely on mobile — prevents getting trapped between sections */
        html {
          scroll-snap-type: none !important;
        }

        .product-hero,
        .product-overview,
        .product-features,
        .product-specifications,
        .product-applications,
        .product-cta {
          height: auto !important;
          min-height: auto !important;
          scroll-snap-align: none !important;
          scroll-snap-stop: normal !important;
        }

        .product-hero,
        .product-cta {
          align-items: flex-start;
          padding-top: 96px;
          padding-bottom: 64px;
        }

        .product-hero-container {
          padding: 0 1.5rem;
          height: auto;
        }
        .product-hero-title {
          font-size: 1.8rem;
        }
        .product-hero-stats {
          gap: 1rem;
        }
        .product-hero-stat-number {
          font-size: 1.3rem;
        }
        .product-overview,
        .product-features,
        .product-specifications,
        .product-applications {
          padding: 60px 1rem;
        }
        .section-title {
          font-size: 1.5rem;
        }
        .features-grid {
          grid-template-columns: 1fr;
        }
        .applications-grid {
          grid-template-columns: 1fr;
        }
        .product-applications {
          background-image:
            linear-gradient(
              110deg,
              rgba(0, 0, 0, 0.78) 0%,
              rgba(0, 0, 0, 0.78) 100%
            ),
            url("https://i.pinimg.com/736x/d9/4a/64/d94a643f26453333ad4354daad504b9c.jpg"),
            url("../assets/home/categories/engine-oils.jpg");
          background-size: cover, cover, cover;
          background-position: center, center, center;
          background-image:
            linear-gradient(
              110deg,
              rgba(0, 0, 0, 0.78) 0%,
              rgba(0, 0, 0, 0.78) 100%
            ),
            url("https://i.pinimg.com/736x/d9/4a/64/d94a643f26453333ad4354daad504b9c.jpg"),
            url("../assets/home/categories/engine-oils.jpg") !important;
          background-size: cover, cover, cover !important;
          background-position: center, center, center !important;
        }
        #applications.product-applications {
          background-image:
            linear-gradient(
              110deg,
              rgba(0, 0, 0, 0.78) 0%,
              rgba(0, 0, 0, 0.78) 100%
            ),
            url("https://i.pinimg.com/736x/d9/4a/64/d94a643f26453333ad4354daad504b9c.jpg"),
            url("../assets/home/categories/engine-oils.jpg") !important;
          background-size: cover, cover, cover !important;
          background-position: center, center, center !important;
        }
        .applications-intro .section-title {
          font-size: 2.2rem;
          line-height: 1.12;
        }
        .application-card.featured {
          grid-column: auto;
        }
        .product-specs-grid {
          grid-template-columns: 1fr;
        }
        .product-thumb {
          width: 76px;
          height: 76px;
        }
        .product-cta-title {
          font-size: 1.4rem;
        }
        .product-cta-subtitle {
          font-size: 0.8rem;
        }
        .product-cta-buttons {
          flex-direction: column;
          align-items: center;
        }
        .cta-btn-primary,
        .cta-btn-secondary {
          width: 100%;
          max-width: 280px;
          text-align: center;
        }
      }

      @media (max-width: 480px) {
        .product-hero-title {
          font-size: 1.5rem;
        }
        .product-hero-description {
          font-size: 0.8rem;
        }
        .section-title {
          font-size: 1.3rem;
        }
        .specs-table th,
        .specs-table td {
          padding: 0.7rem 1rem;
          font-size: 0.75rem;
        }
      }

      /* RTL Support */
      html[dir="rtl"] .product-hero-title span::before {
        left: auto;
        right: 0;
      }

      html[dir="rtl"] .product-hero-link svg {
        transform: rotate(180deg);
      }

      html[dir="rtl"] .specs-table th,
      html[dir="rtl"] .specs-table td {
        text-align: right;
      }
    
  </head>