/* Стили для временной шкалы ИИ (десктоп версия) */
.timeline-section {
    position: relative;
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px 0;
}

.timeline-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 230px;
    bottom: 0;
    width: 4px;
    background: var(--ai-accent, #4E7CFF);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 270px;
    display: block;
}

.timeline-date {
    position: absolute;
    left: 0;
    top: 0;
    width: 200px;
    text-align: right;
    padding: var(--spacing-md);
    background-color: var(--ai-accent);
    color: white;
    border-radius: var(--border-radius);
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.timeline-content {
    background: var(--ai-white, #FFFFFF);
    padding: 20px;
    border-radius: var(--border-radius, 8px);
    box-shadow: var(--shadow-card, 0 2px 6px rgba(0,0,0,0.06));
}

.timeline-milestone {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 15px;
    margin-bottom: 20px;
    position: relative;
    padding-left: 0;
}

.timeline-milestone::before {
    content: "";
    position: absolute;
    left: -15px;
    top: 10px;
    width: 10px;
    height: 10px;
    background-color: var(--ai-accent);
    border-radius: 50%;
}

/* Адаптивность */
@media (max-width: 768px) {
    .timeline-section::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-date {
        position: relative;
        left: -60px;
        width: auto;
        text-align: left;
        margin-bottom: 10px;
        padding-right: 0;
    }
    
    .timeline-milestone {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .timeline-section::before {
        left: 180px;
    }
    
    .timeline-item {
        padding-left: 220px;
    }
    
    .timeline-date {
        width: 160px;
    }
}