header {
    background-color:#3498db ;
    color: #ffffff;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  header.scrolled {
    background-color: #3498db ;
    color: #ffffff;
  }
  
  /* nav css */
  nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    margin-left: 250px;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
  }
  
  nav ul ul {
    list-style: none;
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #3498db ;
    padding: 0;
    margin: 0;
    border-radius: 0 0 5px 5px;
    animation: fadeIn 0.3s ease-in-out;
  }
  
  nav ul ul ul {
    left: 200px;
    top: 0;
    border-radius: 0 5px 5px 0;
    background: #3498db ;
  }
  
  nav ul li {
    position: relative;
  }
  
  nav ul li:hover > ul {
    display: block;
  }
  
  nav ul ul li {
    width: 200px;
  }
  
  nav ul ul li a {
    padding: 10px;
    color: #ffffff;
    background: #3498db ;
  }
  
  nav ul ul li a:hover {
    background: #3498db ;
  }
  
  nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    display: block;
    padding: 10px 15px;
    transition: color 0.3s ease;
  }
  
  nav ul li a:hover {
    color: #b5651d;
  }
  
  nav ul li .dropdown {
    display: none;
    position: absolute;
    background-color: #ffffff;
    top: 100%;
    left: 0;
    min-width: 200px;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(10px);
  }
  
  nav ul li .dropdown li {
    padding: 0;
  }
  
  nav ul li .dropdown li a {
    padding: 10px;
    color: #333;
    display: block;
    transition: background-color 0.3s ease, color 0.3s ease;
    border-bottom: 1px solid #ffffff;
  }
  
  nav ul li .dropdown li:last-child a {
    border-bottom: none;
  }
  
  nav ul li:hover .dropdown {
    display: block;
    opacity: 1;
    transform: translateY(0);
  }
  
  nav ul li .dropdown li a:hover {
    color: #b5651d;
  }
  
  nav ul li .dropdown li a i {
    margin-right: 8px;
    color: #333;
    transition: color 0.3s ease;
  }
  
  nav ul li .dropdown li a:hover i {
    color: #b5651d;
  }
  
  
  
  .dropdown-content {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }
  
  .dropdown:hover .dropdown-content {
    display: block;
    opacity: 1;
  }
  
  .submenu-content {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }
  
  .dropdown:hover .submenu-content {
    display: block;
    opacity: 1;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  
  
  /* Phone Contact Section */
  .phone-right_1 {
    display: flex;
    justify-content: flex-end; 
    align-items: center; 
    padding: 10px 20px; 
    margin-left: 40px;
  }
  
  .phone-right-item_1 {
    display: flex;
    align-items: center; 
    background-color: #ffffff; 
    border-radius: 25px; 
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); 
    padding: 8px 15px; 
    font-family: Arial, sans-serif; 
    transition: background-color 0.3s, box-shadow 0.3s, color 0.3s; 
    white-space: nowrap; 
  }
  
  .phone-right-item_1:hover {
    background-color: #f0f8ff; 
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  }
  
  .phone-right-item_1 i {
    font-size: 20px; 
    color: #007bff; 
    margin-right: 10px; 
  }
  
  .phone-right-item_1 h3 {
    font-size: 14px; 
    color: #333; 
    margin: 0; 
    margin-right: 10px; 
  }
  
  .phone-right-item_1 p {
    margin: 0; 
    font-size: 14px; 
    white-space: nowrap; 
  }
  
  .phone-right-item_1 a {
    color: #007bff; 
    text-decoration: none;
    font-weight: bold; 
    transition: color 0.3s; 
  }
  
  .phone-right-item_1 a:hover {
    color: #0056b3; 
  }