/* ================ The Timeline ================ */
:root {
    --primary-color: #2a73cc;
    --light-bg: #ffffff;
    --dark-text: #3a3a3a;
    --flag-bg: #f0f4f8;
    --timeline-line: #2a73cc;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --border-color: #e0e0e0;
}

.timeline {
    position: relative;
    width: 660px;
    margin: 0 auto 20px;
    padding: 1em 0;
    list-style-type: none;
}

.timeline:before {
    content: ' ';
    position: absolute;
    left: 50%;
    top: 0;
    display: block;
    width: 6px;
    height: 100%;
    margin-left: -3px;
    background: linear-gradient(to bottom,
            transparent 0%,
            var(--timeline-line) 8%,
            var(--timeline-line) 92%,
            transparent 100%);
    z-index: 5;
}

.timeline .timeline-item {
    padding: 1em 0;
}

.timeline .timeline-item:after {
    content: "";
    display: block;
    clear: both;
    height: 0;
    visibility: hidden;
}

.direction-l,
.direction-r {
    position: relative;
    width: 300px;
    display: flex;
    flex-direction: column;
}

.direction-l {
    float: left;
    text-align: left;
    align-items: flex-end;
}

.direction-r {
    float: right;
    text-align: left;
    align-items: flex-start;
}

.flag-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.flag {
    position: relative;
    background: var(--flag-bg);
    padding: 6px 20px;
    border-radius: 5px;
    font-size: 1.5em;
    font-weight: 600;
    text-align: left;
    z-index: 15;
    box-shadow: 0 2px 5px var(--shadow-color);
    /* Enhanced shadow */
}

.direction-l .flag {
    box-shadow: -2px 2px 5px var(--shadow-color);
    /* Directional shadow */
}

.direction-r .flag {
    box-shadow: 2px 2px 5px var(--shadow-color);
    /* Directional shadow */
}

.direction-l .flag:before,
.direction-r .flag:before {
    content: ' ';
    position: absolute;
    top: 50%;
    display: block;
    width: 12px;
    height: 12px;
    margin-top: -10px;
    background: #fff;
    border-radius: 50%;
    /* Changed to circle */
    border: 4px solid var(--primary-color);
    z-index: 10;
}

.direction-l .flag:before {
    right: -40px;
}

.direction-r .flag:before {
    left: -40px;
}

.direction-l .flag:after,
.direction-r .flag:after {
    content: "";
    position: absolute;
    top: 50%;
    height: 0;
    width: 0;
    margin-top: -8px;
    border: solid transparent;
    border-width: 8px;
    pointer-events: none;
}

.direction-l .flag:after {
    left: 100%;
    border-left-color: var(--flag-bg);
}

.direction-r .flag:after {
    right: 100%;
    border-right-color: var(--flag-bg);
}

.date {
    display: flex;
    line-height: 1em;
    font-size: 1em;
    background: var(--primary-color);
    color: #fff;
    padding: 4px 8px;
    /* Slightly more padding */
    border-radius: 3px;
    z-index: 10;
}

.direction-l .date {
    float: left;
}

.direction-r .date {
    float: right;
}

.description {
    margin: 0;
    margin-bottom: 1em;
    padding: 1em;
    z-index: 15;
    font-size: 1em;
    line-height: 1.5em;
    background: #f0f4f8;
    width: 90%;
    border: 1px solid #ffffff;
    border-radius: 0.75rem;
    box-shadow: 0 4px 15px -1px rgba(0, 0, 0, 0.1), 0 2px 8px -2px rgba(0, 0, 0, 0.08);
}

@media (max-width: 680px) {
    .timeline {
        width: 100%;
        padding: 4em 0 1em 0;
    }

    .timeline li {
        padding: 2em 0;
    }

    .direction-l,
    .direction-r {
        float: none;
        width: 100%;
        text-align: center;
        align-items: center;
    }

    .direction-l .flag:before,
    .direction-r .flag:before,
    .direction-l .flag:after,
    .direction-r .flag:after {
        display: none;
    }

    .date {
        display: block;
        position: relative;
        margin: 0 auto 0;
        z-index: 14;
    }

    .direction-l .date,
    .direction-r .date {
        float: none;
    }
}