.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #0d6efd, #6610f2);
    transform: translateX(-50%);
}

/* Cercle */
.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    background: #fff;
    border: 4px solid #0d6efd;
    border-radius: 50%;
    z-index: 2;
}

/* Carte */
.timeline-card {
    transition: all 0.3s ease;
    border-radius: 15px;
}

.timeline-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* Icône */
.timeline-icon {
    font-size: 22px;
    margin-bottom: 10px;
}

/* Mobile */
@media (max-width: 768px) {
    .timeline-line {
        left: 10px;
    }

    .timeline-dot {
        left: 10px;
    }
}