.carbon_content-wrapper {
    --timeline-bg-color: #f7f5f0;
    --story-border-width: 3px;
    --story-border-color: #111111;
    --year-color: #111111;
    --year-bg-color: #ffffff;
    --year-font-size: 1.6rem;
    --year-font-family: 'Special Elite', 'Courier New', monospace;
    --main-timeline-width: 80vw;
    --main-timeline-max-width: 1200px;
    --content-bg-color: #ffffff;
    --text-color: #111111;
    --accent-color: #111111;
    --card-shadow: 5px 5px 0px #111111;
    --card-hover-shadow: 7px 7px 0px #111111;

    font-family: 'Comic Neue', 'Comic Sans MS', cursive, sans-serif;
    background-color: var(--timeline-bg-color);
    color: var(--text-color);
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.carbon_content-wrapper * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.carbon_content-wrapper .progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background-color: #e0ded8;
    border-bottom: 2px solid #111;
    z-index: 101;
}

.carbon_content-wrapper .progress-bar {
    height: 100%;
    background: #111;
    width: 0%;
    transition: width 0.15s ease;
}

.carbon_content-wrapper .header {
    text-align: center;
    padding: 40px 20px 24px;
    background: #ffffff;
    margin: 30px auto 20px;
    max-width: 800px;
    border: 3px solid #111;
    box-shadow: 6px 6px 0px #111;
    position: relative;
}

.carbon_content-wrapper .header h1 {
    font-family: 'Special Elite', monospace;
    font-size: 3rem;
    color: #111;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.carbon_content-wrapper .header p {
    font-size: 1.1rem;
    font-weight: 200;
    color: #333;
    max-width: 600px;
    margin: 0 auto;
    border-top: 1px dashed #111;
    padding-top: 10px;
    text-transform: uppercase;
}

.carbon_content-wrapper .header p span {
    font-weight: 700;
}

.carbon_content-wrapper .parent-timeline-container {
    width: 100vw;
    display: flex;
    justify-content: center;
    padding: 20px 0 60px;
    position: relative;
}

.carbon_content-wrapper .main-timeline-container {
    width: var(--main-timeline-width);
    max-width: var(--main-timeline-max-width);
    position: relative;
    list-style: none;
    padding: 20px 0;
}

.carbon_content-wrapper .timeline-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    background: #111;
    top: 0;
    bottom: 0;
    z-index: 1;
}

.carbon_content-wrapper .timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: #111;
    transition: height 0.2s ease-out;
}

.carbon_content-wrapper .main-timeline-container li {
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.carbon_content-wrapper .main-timeline-container li.visible {
    opacity: 1;
    transform: translateY(0);
}

.carbon_content-wrapper .odd-timeline-item {
    display: flex;
    justify-content: flex-start;
    padding-right: 50%;
}

.carbon_content-wrapper .even-timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-left: 50%;
}

.carbon_content-wrapper .year-span {
    position: absolute;
    top: -12px;
    font-family: var(--year-font-family);
    font-size: var(--year-font-size);
    color: #111;
    background-color: var(--year-bg-color);
    padding: 3px 16px;
    border: 2.5px solid #111;
    box-shadow: 3px 3px 0px #111;
    z-index: 5;
    letter-spacing: 0.5px;
}

.carbon_content-wrapper .odd-timeline-item .year-span {
    left: 50%;
    transform: translateX(25px);
}

.carbon_content-wrapper .even-timeline-item .year-span {
    right: 50%;
    transform: translateX(-25px);
}

.carbon_content-wrapper .year-span::after {
    content: '';
    position: absolute;
    top: -6px;
    width: 12px;
    height: 12px;
    background-color: #111;
    border: 2px solid #111;
    border-radius: 50%;
    z-index: 6;
}

.carbon_content-wrapper .odd-timeline-item .year-span::after {
    left: -8px;
}

.carbon_content-wrapper .even-timeline-item .year-span::after {
    right: -8px;
}

.carbon_content-wrapper .year-span.active {
    background-color: #111;
    color: #ffffff;
}

.carbon_content-wrapper .timeline-content {
    width: 86%;
    border-radius: 0px;
    padding: 22px;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.carbon_content-wrapper .timeline-content:hover {
    transform: translate(-2px, -2px);
}

.carbon_content-wrapper .timeline-content h2 {
    font-family: 'Special Elite', monospace;
    font-size: 1.6rem;
    color: #111;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    padding-bottom: 6px;
    text-transform: uppercase;
}

.carbon_content-wrapper .timeline-content p {
    font-size: 1.1rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 14px;
}

.carbon_content-wrapper .media-wrapper {
    margin: 14px 0 10px;
    background: #fff;
    overflow: hidden;
    position: relative;
}

.carbon_content-wrapper .media-wrapper img,
.carbon_content-wrapper .media-wrapper video {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    filter: grayscale(100%) contrast(120%);
    transition: filter 0.3s ease;
}

.carbon_content-wrapper .media-wrapper img:hover,
.carbon_content-wrapper .media-wrapper video:hover {
    filter: grayscale(0%) contrast(100%);
}

.carbon_content-wrapper .media-caption {
    font-family: 'Comic Neue', cursive;
    font-weight: 700;
    font-size: 0.9rem;
    color: #111;
    padding: 6px 10px;
    background: #fff;
    letter-spacing: 0.3px;
    text-align: center;
}

.carbon_content-wrapper .timeline-marker {
    display: none;
}

.carbon_content-wrapper .timeline-footer {
    width: var(--main-timeline-width);
    max-width: var(--main-timeline-max-width);
    text-align: center;
    margin: 30px auto 0;
    padding: 16px 20px;
    background: #ffffff;
    border: 2.5px solid #111;
    box-shadow: 4px 4px 0px #111;
    font-family: 'Special Elite', monospace;
    font-size: 0.95rem;
    color: #111;
    letter-spacing: 0.5px;
    z-index: 2;
    position: relative;
}

.carbon_content-wrapper .timeline-footer a {
    color: #111;
    font-weight: bold;
    text-decoration: underline;
}

.carbon_content-wrapper .scroll-indicator {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid #111;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #111;
    z-index: 100;
    cursor: pointer;
    box-shadow: 4px 4px 0px #111;
    transition: all 0.2s ease;
    opacity: 0;
    visibility: hidden;
}

.carbon_content-wrapper .scroll-indicator.visible {
    opacity: 1;
    visibility: visible;
}

.carbon_content-wrapper .scroll-indicator:hover {
    background-color: #111;
    color: #ffffff;
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px #111;
}

@media (max-width: 900px) {

    .carbon_content-wrapper .timeline-content {
        background-color: var(--content-bg-color);
    }
    .carbon_content-wrapper .odd-timeline-item,
    .carbon_content-wrapper .even-timeline-item {
        padding-left: 0;
        padding-right: 0;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .carbon_content-wrapper .odd-timeline-item .year-span,
    .carbon_content-wrapper .even-timeline-item .year-span {
        position: relative;
        left: auto;
        right: auto;
        transform: none !important;
        margin-bottom: 14px;
        display: inline-block;
        font-size: 1.4rem;
        padding: 3px 16px;
    }

    .carbon_content-wrapper .year-span::after {
        top: -6px;
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%) !important;
    }

    .carbon_content-wrapper .timeline-content {
        width: 92%;
        margin: 0 auto;
    }

    .carbon_content-wrapper .header {
        width: 90%;
    }

    .carbon_content-wrapper .header h1 {
        font-size: 2.2rem;
    }
}