/* Interactive Timeline Styles */
.timeline-container {
    position: relative;
    margin: 30px 0;
    padding: 20px 0;
    overflow-x: auto;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--nav-bg-color);
    transform: translateY(-50%);
}

.timeline-item {
    position: relative;
    display: inline-block;
    width: 250px;
    margin-right: 50px;
    vertical-align: top;
}

.timeline-date {
    position: relative;
    width: 80px;
    height: 30px;
    margin: 0 auto 15px;
    line-height: 30px;
    text-align: center;
    background-color: var(--nav-bg-color);
    color: #ffffff;
    border-radius: 4px;
    z-index: 1;
}

.timeline-content {
    position: relative;
    padding: 15px;
    background-color: var(--section-bg-color);
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    min-height: 150px;
}

.timeline-content h3 {
    margin-top: 0;
    font-size: 1.1em;
}

.timeline-button {
    display: block;
    margin: 20px auto;
    padding: 8px 16px;
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.timeline-button:hover {
    background-color: var(--button-hover-color);
}

/* Media Queries for Responsive Design */
@media (max-width: 768px) {
    .timeline-item {
        width: 200px;
        margin-right: 30px;
    }
    
    .timeline-content {
        min-height: 180px;
    }
}