.timeline-chart-container {
    width: 80%;
    margin: 50px auto;
    padding: 30px;
    background: none;
    border-radius: 20px;
    position: relative;
    top: -450px;
    border: none;
    box-shadow: none;
    z-index: 1;
}

.chart-title {
    text-align: center;
    color: rgba(98, 91, 91, 0.9);
    font-size: 2em;
    margin-bottom: 40px;
    text-shadow: none;
    top: -580px;
    position: relative;
    z-index: 1;
}

.timeline-chart {
    position: relative;
    padding: 20px 0;
    min-height: 400px;
    top: -560px;
    z-index: 1;
}

.chart-line {
    position: absolute;
    left: 50%;
    top: -100px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent,
        rgba(167, 159, 159, 0.5) 10%,
        rgba(255, 255, 255, 0.5) 90%,
        transparent
    );
    transform: translateX(-50%);
    z-index: 10;
}

.timeline-point {
    position: absolute;
    left: 50%;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: none;
    z-index: 10;
}

.timeline-point::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(163, 157, 157, 0.1);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.point-content {
    position: absolute;
    width: 250px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    border: none;
    transform: translateX(30px);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 2;
    box-shadow: none;
}

.timeline-point:nth-child(odd) .point-content {
    left: 30px;
}

.timeline-point:nth-child(even) .point-content {
    right: 30px;
    transform: translateX(-30px);
}

.timeline-point:hover {
    transform: translate(-50%, -50%) scale(1.1);
    background: rgba(255, 255, 255, 0.6);
}

.timeline-point:hover .point-content {
    opacity: 1;
    transform: translateX(0);
}

.year {
    font-size: 1.2em;
    color: rgba(79, 73, 73, 0.7);
    font-weight: normal;
    margin-bottom: 5px;
}

.event {
    font-size: 1.1em;
    color: rgba(145, 137, 137, 0.6);
    margin-bottom: 5px;
}

.description {
    font-size: 0.9em;
    color: rgba(100, 100, 100, 0.7);
    line-height: 1.4;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.5);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 0.3;
    }
}