body {
    background-color: #000;
    color: #fff;
    font-family: monospace;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

header {
    text-align: center;
    margin: 20px 0;
    width: 100%;
    border-bottom: 1px solid #fff;
    padding: 10px 0;
}

header .logo-image {
    width: 400px;
    height: auto;
    max-width: 100%;
    position: relative;
    z-index: 1;
    animation: flicker1 1s infinite, flicker2 1.5s infinite 0.5s;
    filter: contrast(1.2) saturate(1.5) brightness(0.9);
}

header .logo-image::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        0deg, 
        rgba(255, 255, 255, 0.1) 1%, 
        rgba(0, 0, 0, 0.1) 2%
    );
    background-size: 100% 2px;
    z-index: 1;
    mix-blend-mode: multiply;
}

header .logo-image::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0) 70%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 2;
    pointer-events: none;
}

header nav {
    margin-top: 10px;
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

header nav ul li {
    margin: 0 10px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
}

marquee {
    background-color: #111;
    color: #fff;
    padding: 10px 0;
    width: 100%;
    border-top: 1px solid #fff;
    border-bottom: 1px solid #fff;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    box-sizing: border-box;
}

section {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    border: 1px solid #fff;
    margin-bottom: 20px;
    background-color: #111;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

li h3 {
    font-size: 1.5em;
    margin: 10px 0;
}

li a img {
    border: 1px solid #fff;
    max-width: 200px;
    height: auto;
    box-shadow: 3px 3px 5px #000;
}

footer {
    width: 100%;
    padding: 20px;
    border-top: 1px solid #fff;
    box-sizing: border-box;
    text-align: center;
    margin-top: auto;
}

footer p {
    margin: 0;
}

@keyframes flicker1 {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        opacity: 1;
        visibility: visible;
    }
    20%, 24%, 55% {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes flicker2 {
    0%, 18%, 20%, 22%, 24%, 52%, 54%, 100% {
        opacity: 1;
        visibility: visible;
    }
    19%, 21%, 23%, 53% {
        opacity: 0;
        visibility: hidden;
    }
}

@media screen and (max-width: 768px) {
    main, section, header, footer {
        width: 95%;
    }
}