body {
    font-family: 'Lato', sans-serif;
    text-align: center;
    margin: 0;
    padding: 20px;
    background-color: hsl(0, 0%, 100%);
}

.header {
    text-align: center; 
    margin-bottom: 20px; 
}

.header-icon {
    max-width: 100%; 
    height: auto; 
    width: 400px; 
    margin-top: 20px; 
}

.container {
    width: 80%;
    margin: auto;
}

h1 {
    color: #333;
    font-size: 24px;
}

h2 {
    font-family: 'Lato', sans-serif;
    color: #000000;
    font-size: 20px;
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    font-weight: 700; 
    z-index: 2;
    padding: 0; 
    border-radius: 8px;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
    background-color: transparent; 
}


.train-grid {
    display: grid;
    grid-template-columns: repeat(30, 30px);
    gap: 5px;
    justify-content: center;
    margin-top: 20px;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    position: relative;
    z-index: 1;
}

.train-cube {
    width: 30px;
    height: 30px;
    background-color: #4caf50;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.6);
    transition: background-color 0.3s, box-shadow 0.3s, transform 0.3s ease-in-out;
    transform: scale(0);
}

.late {
    background-color: #f44336;
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.6);
}

.train-cube.show {
    transform: scale(1);
    transition: transform 0.3s ease-out;
}

.step {
    margin-bottom: 80vh;
    padding-top: 30px;
    position: relative;
    z-index: 1;
    
}
.scrolly-text {
    font-family: 'Lato', sans-serif; 
    font-weight: 700; 
    background-color: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
    position: relative;
    max-width: 80%;
    margin: 20px auto;
    z-index: 10;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.scrolly-text.show {
    opacity: 1;
    transform: translateY(0);
}

.scrolly-text p {
    margin: 0;
}

.dot-line-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    overflow-x: auto;
}

.dot-group {
    text-align: center;
}

.dot-line {
    display: inline-flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 5px;
    padding: 5px;
    border: 2px solid #ddd;
    border-radius: 8px;
    opacity: 0;
    animation: showGroup 1s forwards;
}

.dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
    animation: blink 1s infinite alternate;
}

.tooltip {
    display: none;
    position: absolute;
    background-color: rgba(0, 0, 0, 0.75);
    color: white;
    border-radius: 5px;
    padding: 5px 10px;
    font-size: 14px;
    z-index: 10;
    white-space: nowrap;
}