/* Copyright (c) 2025 by Divyesh Kamalanaban (https: //codepen.io/Divyesh-K/pen/YzxLQNz) */
.timeline-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    padding: 60px 0;
    max-width: 1960px;
}


.timeline {
    height: auto;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.timeline-content {
    position: relative;
    padding: 1.75rem;
    background: #fff;
    /* box-shadow: 5px 5px 15px rgba(60, 0, 0, 0.8),
        -5px -5px 15px rgba(120, 0, 0, 0.5);
    border-radius: 16px; */
    color: #fff;
    transition: 0.4s ease;
    overflow: hidden;
    margin: 1rem;
    margin-bottom: 20px;
}

.timeline-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #c1121f;
    transition: color 0.3s ease;
}

.timeline-content p {
    font-size: 1rem;
    color: #000;
    line-height: 1.6;
    opacity: 0.85;
    margin: 0;
}

.timeline-component {
    margin: 4px 8px 4px 8px;
}

/* Bên trái (cột 1) căn chữ sang phải */
.timeline>.timeline-component:nth-child(3n+1) h3,
.timeline>.timeline-component:nth-child(3n+1) p {
    text-align: right;
}

/* Bên phải (cột 3) căn chữ sang trái */
.timeline>.timeline-component:nth-child(3n) h3,
.timeline>.timeline-component:nth-child(3n) p {
    text-align: left;
}

@media screen and (min-width: 768px) {
    .timeline {
        display: grid;
        grid-template-columns: 1fr 3px 1fr;
    }

    .timeline-middle {
        position: relative;
        background-image: linear-gradient(45deg, #F27121, #E94057, #8A2387);
        width: 3px;
        height: 100%;
    }

    .main-middle {
        opacity: 0;
    }

    .timeline-circle {
        position: absolute;
        top: 0;
        left: 50%;
        width: 15px;
        height: 15px;
        border-radius: 50%;
        background-image: linear-gradient(45deg, #F27121, #E94057, #8A2387);
        -webkit-transform: translateX(-50%);
        transform: translateX(-50%);
    }
}

@media screen and (max-width: 767px) {
    .timeline {
        display: block;
    }

    /* ép tất cả timeline-content về trái, override nth-child */
    .timeline>.timeline-component h3,
    .timeline>.timeline-component p,
    .timeline>.timeline-component:nth-child(3n+1) h3,
    .timeline>.timeline-component:nth-child(3n+1) p,
    .timeline>.timeline-component:nth-child(3n) h3,
    .timeline>.timeline-component:nth-child(3n) p {
        text-align: left !important;
    }

    .timeline-component {
        margin-left: 0;
        margin-right: auto;
    }

    .timeline-middle {
        position: relative;
        width: 3px;
        left: 0 !important;
        margin-left: 0;
        margin-bottom: 10px;
        /* khoảng cách giữa các circle */
    }

    .timeline-circle {
        left: 0 !important;
        transform: none !important;
        margin-left: 0;
    }
}