* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
  }
  
  body {
    background-color: #fff3f3;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh; 
    margin: 0;
    overflow-y: auto;
    scroll-behavior: smooth;
  }
  
  .container {
    position: relative;
    width: 100%; 
    max-width: 1000px;
    text-align: center;
    margin: 20px auto;
    padding-bottom: 40px; 
  }
  
  .card {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.3); 
    transition: 0.5s;
  }
  
  .card:hover {
    box-shadow: 0 0 40px 0 rgba(0, 0, 0, 0.3); 
  }
  
  .product-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 10px;
  }
  
  .product-info {
    flex: 1;
    max-width: 60%;
    height: 100%; 
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  
  .main-product-name {
    font-size: 30px;
    margin-top: -20px;
    margin-bottom: 50px;
    color: rgba(0,0,0,0.7);
    transition: color 0.2s;
  }
  
  .main-product-name:hover {
    color: rgba(0,0,0,1);
  }
  
  .sub-product-name {
    text-align: center; 
    font-size: 24px;
    margin-bottom: 10px; 
    margin-top: 0;
    color: #555;
  }
  
  .product-info p {
    margin-bottom: 10px;
    display: flex;
  }
  
  .product-info strong {
    display: inline-block;
    width: 120px;
    flex-shrink: 0;
    margin-right: 10px;
  }
  
  .product-info p strong {
    margin-left: 0;
    flex-shrink: 0;
    width: 150px;
  }
  
  .product-info p span {
    flex-grow: 1;
    padding-left: 10px;
  }
  
  .navigation {
    position: absolute;
    width: 100%;
    bottom: -40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
  }
  
  .arrow {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
  }
  
  .left-arrow {
    visibility: hidden;
  }
  
  @media screen and (min-width: 768px) {
    .card {
      display: flex;
      align-items: center;
      width: 80%;
      height: 400px; 
      margin: 20px auto; 
    }
    
    .product-image {
      flex: 1;
      max-width: 40%; 
      max-height: 800px;
      margin-right: 20px;
    }
    
    .product-info {
      flex: 1;
      max-width: 60%; 
      height: 100%; 
      text-align: left;
    }
    
    .navigation {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
    
    .arrow {
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
    }
  }
  
  @media screen and (max-width: 767px) {
    .container {
      max-height: 100vh;
      padding-bottom: 60px; 
    }
  
    .card {
      width: 90%;
      margin: 0 auto 10px;
      padding: 15px; 
    }
  
    .product-image {
      width: 100%;
      max-width: 100%;
      margin-bottom: 20px; 
    }
  
    .product-info {
      max-width: 100%;
      text-align: left;
    }
  
    .main-product-name {
      font-size: 18px;
      margin-top: 10px;
      margin-bottom: 10px;
      text-align: center;
    }
  
    .sub-product-name {
      font-size: 16px;
      margin-bottom: 5px;
      text-align: center;
    }
  
    .product-info strong {
      width: 100%; 
      margin-bottom: 5px; 
    }
  
    .product-info p {
      margin-bottom: 10px;
      display: flex;
      align-items: center; 
      flex-wrap: wrap; 
    }
  
    .product-info p strong {
      margin-left: 0;
      flex-shrink: 0;
      width: 100%; 
    }
  
    .product-info p span {
      flex-grow: 1;
      padding-left: 10px;
    }
    
    .navigation {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 15px;
      box-sizing: border-box;
    }
  
    .left-arrow,
    .right-arrow {
      background-color: black;
      color: white;
      font-size: 16px;
      width: 30px; 
      height: 30px; 
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      cursor: pointer;
      visibility: hidden;
    }
  
    .left-arrow.visible {
      visibility: visible;
    }
  
    .right-arrow.visible {
      visibility: visible;
    }
  }