/* ===== Timeline Window ===== */
.timeline-window {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.timeline-header h2 {
    font-size: 1.35rem;
    margin-bottom: 6px;
}

.timeline-header p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.timeline-list {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-left: 18px;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: linear-gradient(180deg, rgba(74, 163, 255, 0.55), rgba(74, 163, 255, 0.1));
}

.timeline-item {
    position: relative;
    display: flex;
    gap: 14px;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: var(--delay, 0s);
}

.timeline-item.in-view {
    opacity: 1;
    transform: translateY(0);
}

.timeline-dot {
    width: 14px;
    height: 14px;
    margin-left: -24px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px rgba(74, 163, 255, 0.6);
    border: 2px solid rgba(15, 22, 30, 0.9);
}

.timeline-card {
    flex: 1;
    background: var(--bg-header);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
}

.timeline-year {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-light);
}

.timeline-card h4 {
    margin: 6px 0 4px;
    font-size: 1rem;
}

.timeline-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}