.timeline {
    position: relative;
    max-width: 760px;
    margin: 60px 0;
    padding: 0;
    border: none;
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px 20px 1fr;
    gap: 0;
    margin-bottom: 80px;
    position: relative;
    align-items: baseline;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 129px;
    top: 15px;
    bottom: -90px;
    width: 1px;
    background-color: var(--accent-subtle);
    opacity: 0.6;
}

.timeline-item:last-child::before { display: none; }

.timeline-marker {
    position: absolute;
    left: 125px;
    top: 11px;
    width: 9px;
    height: 9px;
    background: var(--bg-color);
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    z-index: 1;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-marker {
    background: var(--text-primary);
    border-color: var(--text-primary);
    transform: scale(1.3);
}

.timeline-date {
    grid-column: 1;
    text-align: right;
    padding-right: 20px;
    padding-top: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    opacity: 0.8;
}

.timeline-content {
    grid-column: 3;
    padding-left: 10px;
    padding-top: 0;
    border: none;
    background: none;
    box-shadow: none;
}

.timeline-item:hover .timeline-content {
    border-color: transparent;
    box-shadow: none;
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: block;
}

.timeline-text {
    font-size: 1.05rem;
    color: var(--text-primary);
    line-height: 1.75;
    margin: 0;
}

.timeline-text + .timeline-text { margin-top: 15px; }

.timeline-content img {
    max-width: 100%;
    border-radius: 8px;
    margin-top: 20px;
    border: 1px solid var(--accent-subtle);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

@media (max-width: 600px) {
    .timeline-item {
        grid-template-columns: 20px 1fr;
        gap: 15px;
        align-items: center;
    }

    .timeline-item::before {
        left: 9px;
        top: 20px;
    }

    .timeline-marker {
        position: relative;
        left: auto;
        top: auto;
        grid-column: 1;
        margin-top: 0;
    }

    .timeline-date {
        grid-column: 2;
        text-align: left;
        padding-right: 0;
        padding-top: 0;
        margin-bottom: 0;
        font-size: 0.8rem;
    }

    .timeline-content {
        grid-column: 2;
        padding-left: 0;
        margin-top: 5px;
    }
}