body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: white;
}

.video-background, #video-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(45deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3) 1px, transparent 1px, transparent 40px),
        repeating-linear-gradient(-45deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3) 1px, transparent 1px, transparent 40px);
    z-index: -1;
}

.content {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 20px;
}

.glass-block {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 40px 50px;
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    max-width: 400px;
    width: 100%;
}

.rtvs {
	color: #FFFFFF;
    text-shadow: none; 
}

h1 {
    margin: 0 0 30px 0;
    font-size: 3.5em;
    letter-spacing: 2px;
}

.links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}



.link-button {
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    border-radius: 10px;
    font-size: 1.2em;
    font-weight: bold;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background-color: rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;  
    transition: all 0.3s ease;
}


.link-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%; 
    width: 75%;
    height: 100%;

    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transform: skewX(-25deg);
    transition: left 0.7s ease-in-out;
}

.link-button:hover {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

.link-button:hover::before {
    left: 125%;
}


#enter-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000; display: flex; justify-content: center;
    align-items: center; text-align: center; transition: opacity 0.5s ease;
}
.enter-content h2 { font-size: 2em; margin-bottom: 20px; color: rgba(255, 255, 255, 0.8); }
#enter-button {
    background: none; border: 2px solid rgba(255, 255, 255, 0.8); color: rgba(255, 255, 255, 0.8);
    width: 80px; height: 80px; border-radius: 50%; font-size: 2.5em; cursor: pointer;
    transition: all 0.3s ease;
}
#enter-button:hover { background-color: rgba(255, 255, 255, 0.2); transform: scale(1.1); }