#dingmans-timeline-v1 {
    --dt-panel: #031a20;
    --dt-accent: #66ffe5;
    --dt-text: #f5fbfc;
    --dt-muted: rgba(240, 249, 250, 0.74);
    --dt-line: rgba(0, 226, 226, 0.28);
    --dt-border: rgba(0, 226, 226, 0.3);
    --dt-shell: 1536px;
    color: var(--dt-text);
    padding: clamp(32px, 5vw, 56px) 0;
    position: relative;
    overflow: hidden;
    font-family: "Open Sans", sans-serif;
  }

  #dingmans-timeline-v1 *,
  #dingmans-timeline-v1 *::before,
  #dingmans-timeline-v1 *::after {
    box-sizing: border-box;
  }

  #dingmans-timeline-v1 .dt-shell {
    width: min(100% - 48px, var(--dt-shell));
    margin: 0 auto;
  }

  #dingmans-timeline-v1 .dt-spine {
    position: relative;
    display: grid;
    gap: clamp(1.1rem, 2vw, 2rem);
    padding: 0.9rem 0;
  }

  #dingmans-timeline-v1 .dt-spine::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(
      180deg,
      rgba(0, 226, 226, 0.04),
      rgba(0, 226, 226, 0.35),
      rgba(255, 255, 255, 0.08)
    );
    transform: translateX(-50%);
  }

  #dingmans-timeline-v1 .dt-item {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 84px minmax(0, 1fr);
    align-items: center;
    gap: 1.5rem;
  }

  #dingmans-timeline-v1 .dt-item::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 22px;
    height: 22px;
    border: 1px solid rgba(0, 226, 226, 0.58);
    background: #07131b;
    transform: translate(-50%, -50%);
    z-index: 5;
    transition: border-color 0.3s ease, background-color 0.3s ease;
    background-image: radial-gradient(circle at 50% 50%, #66ffe5 0 3px, transparent 3px);
    background-repeat: no-repeat;
    background-position: center;
  }

  #dingmans-timeline-v1 .dt-item::after {
    content: "";
    position: absolute;
    top: 50%;
    width: calc(50% - 42px);
    height: 1px;
    transform: translateY(-50%);
    z-index: 0;
  }

  #dingmans-timeline-v1 .dt-item--right::after {
    left: 50%;
    background: linear-gradient(90deg, rgba(0, 226, 226, 0.48), rgba(0, 226, 226, 0.08));
  }

  #dingmans-timeline-v1 .dt-item--left::after {
    right: 50%;
    background: linear-gradient(90deg, rgba(0, 226, 226, 0.08), rgba(0, 226, 226, 0.48));
  }

  #dingmans-timeline-v1 .dt-card {
    max-width: 32rem;
    padding: 2.05rem 1.85rem 1.7rem;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--dt-border);
    background: var(--dt-panel);
    z-index: 2;
    transition: transform 0.45s ease, border-color 0.45s ease, box-shadow 0.45s ease;
  }

  #dingmans-timeline-v1 .dt-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 226, 226, 0.125) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.45s ease;
    pointer-events: none;
  }

  #dingmans-timeline-v1 .dt-item--right .dt-card {
    grid-column: 3;
    justify-self: start;
    transform: translateX(-67px);
  }

  #dingmans-timeline-v1 .dt-item--left .dt-card {
    grid-column: 1;
    justify-self: end;
    transform: translateX(67px);
  }

  #dingmans-timeline-v1 .dt-item:hover .dt-card {
    border-color: var(--dt-accent);
    box-shadow: 0 30px 60px -25px rgba(0, 0, 0, 0.42);
  }

  #dingmans-timeline-v1 .dt-item--right:hover .dt-card {
    transform: translateX(-67px) translateY(-4px);
  }

  #dingmans-timeline-v1 .dt-item--left:hover .dt-card {
    transform: translateX(67px) translateY(-4px);
  }

  #dingmans-timeline-v1 .dt-item:hover .dt-card::before {
    opacity: 1;
  }

  #dingmans-timeline-v1 .dt-item:hover::before {
    border-color: var(--dt-accent);
    background-color: #0a1b21;
  }

  #dingmans-timeline-v1 .dt-card-top {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.15rem;
  }

  #dingmans-timeline-v1 .dt-year {
    font-family: "Urbanist", "Open Sans", sans-serif;
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.05em;
    color: rgba(255, 255, 255, 0.08);
    transition: color 0.3s ease;
  }

  #dingmans-timeline-v1 .dt-item:hover .dt-year {
    color: #66ffe5;
  }

  #dingmans-timeline-v1 .dt-title,
  #dingmans-timeline-v1 .dt-desc {
    position: relative;
    z-index: 1;
  }

  #dingmans-timeline-v1 .dt-title {
    margin: 0 0 1rem;
    color: #66ffe5;
    font-family: "Bakbak One", "Urbanist", sans-serif;
    font-size: 1.16rem;
    font-weight: 400;
    line-height: 1.08;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }

  #dingmans-timeline-v1 .dt-desc {
    margin: 0;
    padding-left: 16px;
    border-left: 1px solid rgba(0, 226, 226, 0.1);
    color: rgba(255, 255, 255, 0.99);
    font-size: 14.5px;
    line-height: 1.66;
  }

  @media (max-width: 960px) {
    #dingmans-timeline-v1 .dt-spine::before {
      left: 28px;
      transform: none;
    }

    #dingmans-timeline-v1 .dt-item,
    #dingmans-timeline-v1 .dt-item--left,
    #dingmans-timeline-v1 .dt-item--right {
      grid-template-columns: 56px minmax(0, 1fr);
      gap: 0.9rem;
      padding: 0.4rem 0;
    }

    #dingmans-timeline-v1 .dt-item::before {
      left: 28px;
      top: 38px;
      transform: translate(-50%, -50%);
    }

    #dingmans-timeline-v1 .dt-item::after {
      left: 28px !important;
      right: auto !important;
      top: 38px;
      width: calc(100% - 56px - 0.9rem);
      transform: none;
      background: linear-gradient(90deg, rgba(0, 226, 226, 0.48), rgba(0, 226, 226, 0.08));
    }

    #dingmans-timeline-v1 .dt-card,
    #dingmans-timeline-v1 .dt-item--left .dt-card,
    #dingmans-timeline-v1 .dt-item--right .dt-card {
      grid-column: 2;
      justify-self: stretch;
      max-width: none;
      transform: none;
    }

    #dingmans-timeline-v1 .dt-item:hover .dt-card,
    #dingmans-timeline-v1 .dt-item--left:hover .dt-card,
    #dingmans-timeline-v1 .dt-item--right:hover .dt-card {
      transform: translateY(-4px);
    }

    #dingmans-timeline-v1 .dt-year {
      font-size: 2.4rem;
    }
  }

  @media (max-width: 640px) {
    #dingmans-timeline-v1 .dt-shell {
      width: min(100% - 28px, var(--dt-shell));
    }

    #dingmans-timeline-v1 .dt-card {
      padding: 1.45rem 1.2rem 1.25rem;
    }

    #dingmans-timeline-v1 .dt-title {
      font-size: 1.02rem;
    }

    #dingmans-timeline-v1 .dt-desc {
      font-size: 14px;
    }
  }