:root {
    --nierBlack: #12100C;
    --nierWhite: #dad9d5;
    --nierGray: #797773;
}

@font-face {
    font-family: "Rodin";
    src: url(../res/fon/FOT-Rodin\ Pro\ DB.otf);
    font-weight: normal;
    font-style: normal;
}

#particleContainer {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    bottom: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    animation: rise 4s linear infinite, flicker 1.5s infinite;
}

.full-screen-container {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.logo-container {
    position:absolute;
    width: 100%;
    top: 34%;

    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.logo-container img {
    width: 60vw;
    padding-right: 12.5%;
    padding-left: 12.5%;
    height: auto;
    filter: invert(1);
    border-bottom: 2px solid black;
    mask-image: radial-gradient(circle, rgba(0,0,0,1) 70%, rgba(0,212,255,0) 90%);
}

@keyframes underline {
    0% {
        border-bottom: 2px solid transparent;
    }
    100% {
        border-bottom: 2px solid white;
        padding: 0px 24px 0px 24px;
    }
}

@keyframes blur {
    0%, 100% {
        text-shadow: 0 0 0px rgba(255, 255, 255, 0.8);
    }
    50% {
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    }
}

@keyframes rise {
    0% {
        transform: translateY(0vh);
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh);
        opacity: 0;
    }
}

@keyframes flicker {
    0%, 100% {
      opacity: 0.8;
    }
    50% {
      opacity: 1;
    }
}

.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    color: var(--nierGray);
}

.footer p {
    font-size: 10pt;
    animation: fadeIn 15s;
    font-family: monospace;
}

.menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 18%;
}

.menu a {
    font-size: 16pt;
    text-decoration: none;
    color: white;
    border-bottom: 2px solid transparent;
}

.menu a:hover {
    animation: underline .75s forwards, blur 2s infinite;
}

html {
    background-image: url("../res/img/bg_dark_LAND.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    color: white;
    font-family: "Rodin";

    height: 100%;
    width: auto;

    user-select: none;
    overflow: hidden;
}

@media screen and (orientation: portrait) {
    .logo-container {
        position: absolute;
        width: 100%;
        top: 15%;

        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
    }
    
    .logo-container img {
        width: 80vw;
    }

    .menu a {
        font-size: 5vw;
    }

    html {
        background-image: url("../res/img/bg_dark_PORT.webp");
        background-size: cover;
        background-color: var(--nierBlack);
        background-position: center;
        background-repeat: no-repeat;
    
        height: 100%;
        width: auto;    
    }

    .menu {
        margin-top: -25%;
    }
}