.container-heating {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
  }

  /* Hero Section */
  .hero {
      background: linear-gradient(135deg, #0056B3 0%, #004494 100%);
      color: white;
      padding: 80px 0;
      min-height: 500px;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
  }

  .hero-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
      z-index: 2;
  }

  .hero-text h1 {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 20px;
      line-height: 1.2;
  }

  .hero-text .tagline {
      font-size: 1.2rem;
      opacity: 0.9;
      margin-bottom: 30px;
      font-style: italic;
  }

  .btn-primary {
      background: linear-gradient(45deg, #FF8C42, #FF7A28);
      color: white;
      padding: 16px 32px;
      border: none;
      border-radius: 50px;
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      display: inline-block;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(255, 140, 66, 0.3);
  }

  .btn-primary:hover {
      transform: translateY(-2px) scale(1.05);
      box-shadow: 0 8px 25px rgba(255, 140, 66, 0.4);
  }

  .hero-image {
      text-align: center;
      position: relative;
  }

  .hero-image img {
      max-width: 100%;
      height: auto;
      border-radius: 20px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      cursor: pointer;
  }

  .hero-image img:hover {
      transform: scale(1.05);
  }

  /* Tabbed Section */
  .tabbed-section {
      background: white;
      margin: -50px 0 60px 0;
      border-radius: 20px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
      position: relative;
      z-index: 3;
  }

  .tab-navigation {
      display: flex;
      border-bottom: 1px solid #E5E7EB;
      border-radius: 20px 20px 0 0;
      overflow: hidden;
  }

  .tab-btn {
      flex: 1;
      padding: 20px;
      background: #F9FAFB;
      border: none;
      font-size: 1rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s ease;
      color: #6B7280;
  }

  .tab-btn.active {
      background: #0056B3;
      color: white;
  }

  .tab-btn:hover:not(.active) {
      background: #E5E7EB;
      color: #374151;
  }

  .tab-content {
      padding: 40px;
      min-height: 400px;
  }

  .tab-pane {
      display: none;
      animation: fadeIn 0.5s ease-in-out;
  }

  .tab-pane.active {
      display: block;
  }

  @keyframes fadeIn {
      from {
          opacity: 0;
          transform: translateY(20px);
      }

      to {
          opacity: 1;
          transform: translateY(0);
      }
  }

  /* Overview Tab */
  .overview-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
  }

  .overview-text h2 {
      font-size: 2rem;
      color: #0056B3;
      margin-bottom: 20px;
  }

  .overview-text p {
      font-size: 1.1rem;
      color: #6B7280;
      margin-bottom: 15px;
  }

  .overview-image img {
      width: 100%;
      border-radius: 15px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease;
  }

  .overview-image img:hover {
      transform: scale(1.02);
  }

  /* Features Tab */
  .features-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
  }

  .feature-card {
      background: #F9FAFB;
      padding: 30px;
      border-radius: 15px;
      text-align: center;
      transition: all 0.3s ease;
  }

  .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  }

  .feature-icon {
      width: 60px;
      height: 60px;
      background: linear-gradient(45deg, #0056B3, #004494);
      border-radius: 50%;
      margin: 0 auto 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 24px;
  }

  .feature-card h3 {
      color: #0056B3;
      margin-bottom: 15px;
      font-size: 1.3rem;
  }

  .feature-card p {
      color: #6B7280;
      font-size: 1rem;
  }

  /* Applications Tab */
  .applications-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 25px;
  }

  .application-card {
      background: white;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
      transition: all 0.3s ease;
  }

  .application-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
  }

  .application-image {
      height: 150px;
      background: linear-gradient(45deg, #0056B3, #FF8C42);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 40px;
  }

  .application-content {
      padding: 20px;
      text-align: center;
  }

  .application-content h4 {
      color: #0056B3;
      margin-bottom: 10px;
      font-size: 1.1rem;
  }

  /* Specifications Tab */
.specifications-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.specifications-table th {
    background: #0056B3;
    color: white;
    padding: 20px;
    text-align: left;
    font-weight: 600;
}

.specifications-table td {
    padding: 18px 20px;
    border-bottom: 1px solid #E5E7EB;
}

.specifications-table tr:nth-child(even) {
    background: #F9FAFB;
}

.specifications-table tr:hover {
    background: #E5F3FF;
}

/* ✅ Mobile Responsive Table */
@media (max-width: 768px) {
    .specifications-table,
    .specifications-table thead,
    .specifications-table tbody,
    .specifications-table th,
    .specifications-table td,
    .specifications-table tr {
        display: block;
        width: 100%;
    }

    .specifications-table thead {
        display: none; /* Hide header on mobile */
    }

    .specifications-table tr {
        margin-bottom: 15px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
        padding: 10px;
    }

    .specifications-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 15px;
        border: none;
        border-bottom: 1px solid #E5E7EB;
        font-size: 14px;
    }

    .specifications-table td:last-child {
        border-bottom: none;
    }

    .specifications-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: #0056B3;
        flex-basis: 40%;
        text-align: left;
    }
}

  /* Benefits Tab */
  .benefits-list {
      max-width: 600px;
      margin: 0 auto;
  }

  .benefit-item {
      display: flex;
      align-items: center;
      padding: 20px 0;
      border-bottom: 1px solid #E5E7EB;
      opacity: 0;
      transform: translateX(-20px);
      animation: slideInLeft 0.5s ease forwards;
  }

  .benefit-item:nth-child(1) {
      animation-delay: 0.1s;
  }

  .benefit-item:nth-child(2) {
      animation-delay: 0.2s;
  }

  .benefit-item:nth-child(3) {
      animation-delay: 0.3s;
  }

  .benefit-item:nth-child(4) {
      animation-delay: 0.4s;
  }

  .benefit-item:nth-child(5) {
      animation-delay: 0.5s;
  }

  @keyframes slideInLeft {
      to {
          opacity: 1;
          transform: translateX(0);
      }
  }

  .benefit-icon {
      width: 40px;
      height: 40px;
      background: #22C55E;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 20px;
      color: white;
      font-size: 18px;
  }

  .benefit-text {
      font-size: 1.1rem;
      color: #374151;
      font-weight: 500;
  }

  /* Floating Quote Button */
  .floating-quote {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 1000;
      background: linear-gradient(45deg, #FF8C42, #FF7A28);
      color: white;
      border: none;
      border-radius: 50px;
      padding: 18px 25px;
      font-weight: 600;
      cursor: pointer;
      box-shadow: 0 8px 25px rgba(255, 140, 66, 0.4);
      transition: all 0.3s ease;
  }

  .floating-quote:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: 0 12px 35px rgba(255, 140, 66, 0.5);
  }

  /* Lightbox */
  .lightbox {
      display: none;
      position: fixed;
      z-index: 9999;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.9);
      animation: fadeIn 0.3s ease;
  }

  .lightbox-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      max-width: 90%;
      max-height: 90%;
  }

  .lightbox img {
      width: 100%;
      height: auto;
      border-radius: 10px;
  }

  .lightbox-close {
      position: absolute;
      top: 20px;
      right: 35px;
      color: #fff;
      font-size: 40px;
      font-weight: bold;
      cursor: pointer;
      transition: 0.3s;
  }

  .lightbox-close:hover {
      color: #FF8C42;
  }

  /* Responsive Design */
  @media (max-width: 768px) {
      .hero-content {
          grid-template-columns: 1fr;
          gap: 40px;
          text-align: center;
      }

      .hero-text h1 {
          font-size: 2.2rem;
      }

      .tab-navigation {
          flex-direction: column;
      }

      .overview-content {
          grid-template-columns: 1fr;
          gap: 30px;
      }

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

      .applications-grid {
          grid-template-columns: repeat(2, 1fr);
      }

      .floating-quote {
          bottom: 20px;
          right: 20px;
          padding: 15px 20px;
      }

      .overview-text p {
          font-size: 17px;
      }

      .overview-text h2 {
          font-size: 25px;
      }
  }


  @media (max-width: 480px) {
      .applications-grid {
          grid-template-columns: 1fr;
      }
  }

  .product-card {
      background: #fff;
      border-radius: 14px;
      padding: 20px;
      margin-bottom: 20px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease;
  }

  .product-card:hover {
      transform: translateY(-5px);
  }

  .card-title {
      font-size: 1.2rem;
      font-weight: 600;
      color: #0f172a;
      margin-bottom: 12px;
  }

  .highlight {
      border-left: 6px solid #1e3a8a;
      background: #f1f5ff;
  }


  .overview-slider-unique {
      position: relative;
      width: 100%;
      max-width: 600px;
      margin: auto;
      overflow: hidden;
      border-radius: 12px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  }

  .overview-slides-unique {
      position: relative;
  }

  .overview-slide-unique {
      width: 100%;
      display: none;
      opacity: 0;
      transition: opacity 1.2s ease-in-out;
  }

  .overview-slide-unique.active {
      display: block;
      opacity: 1;
  }