* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f4f4f9;
}

.edu-timeline-container {
    display: flex;
    gap: 30px;
    width: 100%;
}

.edu-timeline {
    position: relative;
    max-width: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    background-color: transparent;
}

.edu-timeline::before {
    content: '';
    position: absolute;
    width: 5px;
    height: 100%;
    background-color: #007BFF;
    z-index: 0;
}

.edu-node {
    position: relative;
    width: 20px;
    height: 20px;
    background-color: transparent; /* Initially transparent */
    border: 5px solid #007BFF; /* Consistent border size */
    border-radius: 50%;
    transition: all 0.3s ease;
    cursor: pointer;
}

.edu-node::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px; /* Smaller circle to hide line */
    height: 10px;
    background-color: #f4f4f9; /* Matches background to hide the line */
    border-radius: 50%;
    z-index: 1;
}

.edu-node.edu-active {
    background-color: black;
    border-color: black;
}

.edu-node.edu-hover {
    background-color: black;
    border-color: black;
}

.edu-cards {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.edu-card {
    width: 460px;
    height: 170px;
    padding: 15px;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.edu-card.edu-active {
    background-color: lightblue;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transform: scale(1.05);
}

.edu-card.edu-hover {
    background-color: lightblue;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transform: scale(1.05);
}

.edu-card h5 {
    margin: 0px 0px 10px;
    text-align: left;
    color: #007BFF;
    font-size: 14px;
}

.edu-card h3 {
    margin: 10px 0px;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
}

.edu-card h4 {
    margin: 10px 0px;
    text-align: left;
    color: #007BFF;
    font-size: 16px;
}

.edu-card p {
    margin: 10px 0px 0px;
    text-align: justify;
    color: #666;
    font-size: 16px;
}