* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Courier New', monospace;
}

body {
    background-color: #121212; 
    color: #E0E0E0; 
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
}

#container {
    position: relative;
    z-index: 10;
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#center-content-wrapper {
    background-color: #1a1a1a;
    padding: 30px;
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

#logo-container {
    position: relative;
    width: 200px;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

#logo-frame {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid rgba(230, 46, 46, 0.4); 
    z-index: 1;
}

.corner-marker {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: transparent;
    border: 1px solid rgba(230, 46, 46, 0.7); 
    z-index: 2;
}

#marker-tl {
    top: 0;
    left: 0;
}

#marker-tr {
    top: 0;
    right: 0;
}

#marker-bl {
    bottom: 0;
    left: 0;
}

#marker-br {
    bottom: 0;
    right: 0;
}

#data-stream-logo {
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 5;
}

#data-stream-logo svg {
    width: 80%;
    height: 100%;
    overflow: visible;
}


#title {
    font-size: 24px;
    letter-spacing: 10px;
    text-transform: uppercase;
    margin-top: 20px;
    margin-bottom: 10px;
    color: #F5F5F5; 
    font-weight: 300;
    position: relative;
    user-select: none;
}

.ai-prefix {
    color: #E62E2E;
}

#subtitle {
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 8px;
    color: #AAAAAA; 
    font-weight: 300;
    user-select: none;
    text-align: center;
    max-width: 90%;
}

#footer {
    position: fixed;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 12px; 
    color: #888888; 
    letter-spacing: 2px;
    user-select: none;
    z-index: 5;
}

@media (max-width: 768px) {
    #center-content-wrapper {
        padding: 20px;
    }

    #data-stream-logo svg {
        width: 70%;
    }

    #logo-container {
        width: 160px;
        height: 120px;
        margin-bottom: 15px;
    }

    #title {
        font-size: 18px;
        letter-spacing: 8px;
        margin-top: 15px;
    }

    #subtitle {
        font-size: 10px;
        letter-spacing: 2px;
        max-width: 95%;
        margin-top: 5px;
    }
}

@media (max-width: 480px) {

    #title {
        font-size: 16px;
        letter-spacing: 6px;
    }

    #subtitle {
        letter-spacing: 1.5px;
    }
}

#blinking-cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}