.timeline {
    position: relative;
    padding: var(--spacing-xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-accent-green);
}

.timeline__item {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-3xl);
}

.timeline__item:last-child {
    margin-bottom: 0;
}

.timeline__item:nth-child(odd) {
    flex-direction: row;
}

.timeline__item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline__content {
    width: calc(50% - 40px);
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.timeline__item:nth-child(odd) .timeline__content {
    margin-right: auto;
    text-align: right;
}

.timeline__item:nth-child(even) .timeline__content {
    margin-left: auto;
    text-align: left;
}

.timeline__dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent-green);
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1;
}

.timeline__year {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-green);
    margin-bottom: var(--spacing-sm);
}

.timeline__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.timeline__text {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.6;
}