.timeline-section {
    background: #F8FAFC;
    padding: 100px 0;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.timeline-item {
    background: #fff;
    border-radius: 20px;
    padding: 35px 30px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0,0,0,.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: .30s;
    min-height: 270px;
    border: 1px solid transparent;
}

    .timeline-item:hover {
        transform: translateY(-8px);
        border-color: var(--primary);
        box-shadow: 0 25px 60px rgba(0,0,0,.08);
    }

    .timeline-item span {
        width: 55px;
        height: 55px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        border-radius: 50%;
        background: var(--primary);
        color: white;
        font-size: 22px;
        flex-shrink: 0;
    }

/* ------------------------------
   Tablet (2 columns)
--------------------------------*/
@media (max-width: 991px) {

    .timeline {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ------------------------------
   Mobile (1 column)
--------------------------------*/
@media (max-width: 576px) {

    .timeline-section {
        padding: 70px 0;
    }

    .timeline {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .timeline-item {
        min-height: auto;
        padding: 30px 20px;
    }
}