/* ===== Desktop Timeline Styles ===== */

.desktop-timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline-spine {
    position: absolute;
    width: 4px;
    background-color: var(--primary-600);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    z-index: 1;
}

.timeline-phase {
    padding: 20px 0;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    z-index: 2;
}

.timeline-phase.left {
    left: 0;
    padding-right: 60px;
    text-align: right;
}

.timeline-phase.right {
    left: 50%;
    padding-left: 60px;
    text-align: left;
}

.timeline-phase.center {
    left: 25%; /* Adjust as needed for a centered item */
    width: 50%;
    padding: 20px;
    text-align: center;
}

.timeline-node {
    position: absolute;
    width: 24px;
    height: 24px;
    background-color: var(--accent);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    border: 3px solid var(--background);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--text-inverse);
    font-size: 0.9rem;
}

.timeline-phase.left .timeline-node {
    right: -12px; /* Half of node width */
}

.timeline-phase.right .timeline-node {
    left: -12px; /* Half of node width */
}

.timeline-phase.center .timeline-node {
    left: 50%;
    transform: translate(-50%, -50%);
}

.timeline-content {
    background-color: var(--background-secondary);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.timeline-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.timeline-badge {
    display: inline-block;
    background-color: var(--primary-50);
    color: var(--primary-700);
    padding: 5px 10px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.timeline-tags {
    margin-top: 15px;
}

.timeline-tags span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background-color: var(--neutral-100);
    color: var(--neutral-700);
    padding: 3px 8px;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    margin-right: 5px;
    margin-bottom: 5px;
}

.timeline-tags svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
}

/* Responsive adjustments for smaller screens */
@media (max-width: 768px) {
    .desktop-timeline {
        padding: 20px 0;
    }

    .timeline-spine {
        left: 20px;
    }

    .timeline-phase {
        width: 100%;
        padding-left: 60px;
        padding-right: 20px;
        text-align: left;
    }

    .timeline-phase.left, .timeline-phase.right, .timeline-phase.center {
        left: 0;
        padding-left: 60px;
        padding-right: 20px;
        text-align: left;
    }

    .timeline-phase.left .timeline-node, .timeline-phase.right .timeline-node, .timeline-phase.center .timeline-node {
        left: 12px;
        right: auto;
        transform: translateY(-50%);
    }

    .timeline-phase.center {
        width: 100%;
    }
}