/* تنسيق الهيكل كله */
body{
    font-family: 'Arial', sans-serif;
    background-color: #fff7e6;
    margin: 0;
    padding: 0;
    color: #333;
  }
  #introduction{
    text-align: center;
    font-size: 20px;
  }
  
  /* الهيدر */
  .Mollusks-header{
    background-color: #83a8ac;
    padding: 30px 20px;
    text-align: center;
    border-bottom: 5px solid #00b4d8;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 50px;
  }
  
  header h1 {
    margin: 0;
    font-size: 50px;
    margin-top: 20px;
    color: #1a2a6c;
  }
  
  nav {
    margin-top: 15px;
  }
  
  nav button {
    background-color: #ff9f00;
    border: none;
    padding: 12px 20px;
    margin: 5px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1em;
    cursor: pointer;
  }
  
  nav button a {
    color: #fff;
    text-decoration: none;
  }
  
  nav button:hover {
    background-color: #ff6f00;
  }
  
  /* البانر */
  .banner {
    background: url('./backgrunds/R.jpeg') no-repeat center center;
    background-size: cover;
    padding: 80px 20px;
    text-align: center;
    color: white;
    border-bottom: 5px solid #00b4d8;
  }
  
  /* الأقسام */
  section {
    padding: 40px 20px;
  }
  
  h2 {
    color: #0077b6;
    font-size: 20px;
    text-align: center;
    margin-bottom: 30px;
  }
  
  /*الصندوق اللي قيه كل نوع*/
  .type-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    justify-items: center;
  }
  
  .type-box {
    background-color: #caf0f8;
    padding: 20px;
    width: 250px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease;
  }
  
  .type-box:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  }
  
  .type-box img {
    width: 100%;
    height: 160px;
    border-radius: 10px;
    object-fit: cover;
    margin-bottom: 15px;
  }
  
  .type-box button {
    background-color: #ff9f00;
    border: none;
    padding: 10px 15px;
    margin-top: 15px;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .type-box button a {
    text-decoration: none;
    color: #fff;
  }
  
  .type-box button:hover {
    background-color: #ff6f00;
  }
  #anatomy{
    text-align: center;
    font-size: larger;
  }
  #facts{
    text-align: center;
    font-size: larger;
  }
  #conclusion{
    text-align: center;
    font-size: larger;
  }
  /* الفوتر */
  footer {
    background-color: #2baa31;
    text-align: center;
    padding: 20px 10px;
    border-top: 5px solid #17191a;
    margin-top: 40px;
    font-size: 20px;
    color: #fff;
  }