/* Phần Các Cột Mốc Ấn Tượng */
#milestones {
    background: #f5f6f7;
    padding: 50px 20px;
    text-align: center;
}

#milestones .content {
    max-width: 900px;
    margin: 0 auto;
}

#milestones h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #39454b;
    font-weight: 900;
}

.milestone-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.milestone-list li {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, background 0.3s ease;
}

.milestone-list li:hover {
    transform: translateY(-10px);
    background: #e6f7ff;
}

.milestone-image {
    flex-shrink: 0;
    margin-right: 20px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.milestone-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.milestone-list li:hover .milestone-image {
    transform: scale(1.1);
}

.milestone-details {
    text-align: left;
    flex-grow: 1;
}

.milestone-year {
    font-size: 1.5rem;
    font-weight: bold;
    color: #0099ff;
    margin-bottom: 10px;
}

.milestone-description p {
    margin: 0;
    font-size: 1rem;
    color: #39454b;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .milestone-list li {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .milestone-image {
        margin-bottom: 15px;
    }

    .milestone-details {
        text-align: center;
    }
}