html, body {
    margin: 0;
    padding: 0;
    background-color: #0f0f0f;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: white;
}

a {
    text-decoration: none;
}

.header-div {
    z-index: 2;
    position: fixed;
    background: rgba(27, 27, 27, 0.6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 0px 0px 8px 8px;
    padding: 0 20px;
    width: 98%;
    height: 65px;
    margin: -70px 0px;
    backdrop-filter: blur(6px);
    overflow: hidden;
}

.header-div::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-radial-gradient(
            circle at 30% 40%,
            rgba(255,255,255,0.08) 0 1px,
            transparent 1px 2px
        );
    opacity: 0.2;
    mix-blend-mode: overlay;
    animation: noise 0.05s infinite;
    pointer-events: none;
}

@keyframes noise {
    0%   { transform: translate(0, 0); }
    25%  { transform: translate(-3%, 3%); }
    50%  { transform: translate(3%, -3%); }
    75%  { transform: translate(-3%, -3%); }
    100% { transform: translate(0, 0); }
}

.ico {
    height: 40px;
}

.fl {
    font-weight: bold;
    font-size: 25px;
}

.back {
    background-color: #242424;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: bold;
    transition: 0.1s;
    color: white;
}

.back:hover {
    background-color: #313131;
}

.container {
    max-width: 800px;
    margin: 5% auto;
    padding: 20px;
    text-align: center;
}

h1 {
    font-size: 60px;
    margin-bottom: 40px;
}

footer {
    margin-top: 40px;
    text-align: center;
}

hr {
    width: 90%;
    border: none;
    height: 2px;
    background-color: #353535;
}

h4 {
    font-size: 18px;
}

.buttons-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 18px;
    color: white;
    transition: 0.2s;
    width: 300px;
    justify-content: center;
}

.btn img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.github { background-color: #24292e; }
.github:hover { background-color: #3a3f44; }

.discord { background-color: #5865F2; }
.discord:hover { background-color: #6b75e2; }

.twitter { background-color: #000000; }
.twitter:hover { background-color: #1b1b1b; }

.youtube { background-color: #ff0000; }
.youtube:hover { background-color: #ff5757; }

@media (max-width: 500px) {
    .btn {
        width: 90%;
        font-size: 16px;
        padding: 10px 16px;
    }

    h1 {
        font-size: 40px;
    }
}