.header-bar {
    width: 100%;
    height: 60px;
    background-color: #2a2a2a;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 4;
  }
  
  .header-logo {
    position: fixed;
    width: 50px;
    left: 50px;
    top: 6px;
    z-index: 5;
  }
  
  .Header-title {
    position: fixed;
    color: white;
    font-size: 20px;
    top: 20px;
    z-index: 4;
    margin-left: 80px;
    font-family: "Roboto Condensed", sans-serif;
    font-optical-sizing: auto;
    font-weight: 300;
    font-style: normal;
  }
  
  /* Reset some default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.menu-bar {
    background-color: #90272a58; /* Background color with alpha transparency */
    padding: 10px 0; /* Top and bottom padding of 10px, no left and right padding */
    top: 60px; /* Distance from the top of the viewport */
    position: fixed; /* Positioning context for absolute positioning of dropdowns */
    font-family: Arial, sans-serif; /* Font family for the menu bar */
    z-index: 1;
}

.menu-bar ul {
    list-style-type: none; /* Removes default list styles */
    text-align: right; /* Aligns menu items to the right */
    margin-right: 20px; /* Right margin for menu items */
}

.menu-bar ul li {
    display: inline-block; /* Displays menu items inline */
    position: relative; /* Allows absolute positioning of dropdowns */
}

.menu-bar ul li a {
    display: block; /* Makes anchor tags block-level for full clickable area */
    color: white; /* Text color */
    text-decoration: none; /* Removes underline from links */
    padding: 10px 20px; /* Padding inside each menu item */
    font-size: 16px; /* Font size for menu items */
}

.menu-bar ul li:hover > a {
    background-color: #ffffff99; /* Background color on hover */
}

.menu-bar ul li:hover .dropdown {
    display: block; /* Displays dropdown when its parent li is hovered */
}

.menu-bar .dropdown {
    display: none; /* Initially hides dropdown menus */
    position: absolute; /* Absolute positioning for dropdowns */
    background-color: #4e171984; /* Background color of dropdown */
    width: 150px; /* Width of dropdown */
    box-shadow: 0 8px 16px rgba(0,0,0,0.3); /* Box shadow for dropdown */
    z-index: 1; /* Ensures dropdowns appear above other content */
}

.menu-bar .dropdown ul {
    list-style-type: none; /* Removes default list styles from dropdown items */
}

.menu-bar .dropdown ul li a {
    color: white; /* Text color of dropdown items */
    padding: 10px 15px; /* Padding inside dropdown items */
    display: block; /* Makes dropdown items block-level for full clickable area */
    text-decoration: none; /* Removes underline from dropdown links */
    font-size: 14px; /* Font size for dropdown items */
}

.menu-bar .dropdown ul li a:hover {
    background-color: #a12c2f; /* Background color on hover for dropdown items */
}

/* Large font size for Teacher and Student topics */
.menu-bar .dropdown > li > a {
    font-size: 18px; /* Larger font size for main topics */
    font-weight: bold; /* Bold font weight for emphasis */
}
.background-video {
    min-width: 100%;
    min-height: 100vh;
    max-width: 100%;
    max-height: 100vh;
    object-fit: cover;
    z-index: -1;
    transition: opacity 1s ease; /* Smooth transition for opacity */
    filter: brightness(30%); /* Adjust brightness (70% in this example) */
}
.Hello-message{
    position: absolute;
    color: white;
    font-size: 50px;
    top: 250px;
    z-index: 4;
    margin-left: 100px;
    font-family: "Roboto Condensed", sans-serif;
    font-optical-sizing: auto;
    font-weight: 300;
    font-style: normal;
}
.Welcome-message{
    position: absolute;
    color: white;
    font-size: 60px;
    top: 300px;
    z-index: 4;
    margin-left: 100px;
    font-family: "Montserrat", sans-serif;
    font-optical-sizing: auto;
    font-weight: 600;
    font-style: normal;
    width: 700px;
}
.register-student-li {
    /* Add desired styles for the specific li element */
    margin-top: 10px;
    text-align: center;
}

.register-student-li .button-container {
    /* Add desired styles for the button container */
    display: inline-block;
    padding: 10px;
    background-color: #681d20df; /* Example background color */
    border-radius: 5px;
}

.register-student-li .button-container button {
    /* Add desired styles for the button */
    padding: 10px 20px;
    font-size: 16px;
    color: #fff;
    background-color: #681d20df;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.register-student-li .button-container button:hover {
    /* Add hover effect for the button */
    background-color: #1b0405df;
}

.Introduction{
    position: absolute;
    color: white;
    font-size: 20px;
    top: 450px;
    z-index: 4;
    margin-left: 100px;
    font-family: "DM Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 200;
    font-style: normal;
    width:700px;
    line-height: 1.5;
}

@media(max-width: 768px) {
    .menu-bar {
        background-color: #ffffff; /* Background color with alpha transparency */
        padding: 10px 0; /* Top and bottom padding of 10px, no left and right padding */
        top: 60px; /* Distance from the top of the viewport */
        position: relative; /* Positioning context for absolute positioning of dropdowns */
        font-family: Arial, sans-serif; /* Font family for the menu bar */
        z-index: 1;
    }
    
    .menu-bar ul {
        display: block; /* Switch to block display for responsiveness */
        text-align: center; /* Center aligns menu items */
        margin-right: 0; /* Remove right margin for smaller screens */
    }

    .menu-bar ul li {
        display: block; /* Display menu items as blocks */
        text-align: center; /* Center aligns menu items */
        position: relative; /* Ensure dropdowns are positioned relative to parent */
        color: white; /* Text color */
    }

    .menu-bar ul li a {
        padding: 10px; /* Adjust padding for smaller screens */
        display: block; /* Ensure links take full width of parent */
        color:black;
    }

    .menu-bar ul li:hover .dropdown {
        display: block; /* Display dropdowns when parent li is hovered */
        position: absolute; /* Position dropdowns absolutely */
        top: 100%; /* Position dropdowns below parent li */
        left: 0; /* Align dropdowns with left edge of parent li */
        width: 100%; /* Full width of parent li */
        background-color: #681d20df; /* Background color of dropdown */
        box-shadow: 0 8px 16px rgba(0,0,0,0.3); /* Box shadow for dropdown */
        z-index: 2; /* Ensure dropdowns appear above other content */
    }

    .menu-bar .dropdown ul li a {
        padding: 10px; /* Adjust padding for dropdown items */
        font-size: 16px; /* Font size for dropdown items */
        display: block; /* Display dropdown items as blocks */
        color: black; /* Text color of dropdown items */
        text-decoration: none; /* Remove underline from dropdown links */
    }

    /* Large font size for Teacher and Student topics in dropdown */
    .menu-bar .dropdown > li > a {
        font-size: 18px; /* Larger font size for main topics */
        font-weight: bold; /* Bold font weight for emphasis */
    }
    .Header-title {
        position: fixed;
        color: white;
        font-size: 15px;
        top: 25px;
        z-index: 4;
        margin-left: 30px;
        font-family: "Roboto Condensed", sans-serif;
        font-optical-sizing: auto;
        font-weight: 600;
        font-style: normal;
        width: 300px;
      }
      .header-logo {
        position: fixed;
        width: 45px;
        left: -10px;
        top: 6px;
        z-index: 5;
      }

      .Hello-message{
        position: absolute;
        color: white;
        font-size: 25px;
        top: 220px;
        z-index: 4;
        margin-left: 30px;
        font-family: "Roboto Condensed", sans-serif;
        font-optical-sizing: auto;
        font-weight: 300;
        font-style: normal;
    }
    .Welcome-message{
        position: absolute;
        color: white;
        font-size: 34px;
        top: 250px;
        z-index: 4;
        margin-left: 30px;
        font-family: "Montserrat", sans-serif;
        font-optical-sizing: auto;
        font-weight: 600;
        font-style: normal;
        width: 300px;
    }
    .Introduction {
        position: absolute;
        color: white;
        font-size: 15px;
        top: 380px;
        z-index: 4;
        margin-left: 30px;
        font-family: "DM Sans", sans-serif;
        font-optical-sizing: auto;
        font-weight: 100;
        font-style: normal;
        width: 300px;
        line-height: 1.5; /* Add line height for text row spacing */
    }
    
}