:root {
    --bg-colour: #000102;
    --text-colour: #e0e0e0;
    --panel-bg: #1e1e1e;
    --hint-colour: #bbbbbb;
    --border-colour: #444444;
    --shadow-colour: rgba(0,0,0,0.7);
}



* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

html {
    scroll-behavior: smooth;
    font-family: sans-serif;
}

body {
    background-color: var(--bg-colour);
    color: var(--text-colour);
}


#cover-page {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--bg-colour);
    background-image: url("../images/moonSpace.jpg");
    background-size: contain;
    background-repeat: no-repeat;
}

.cover-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;

    text-shadow:
        0 0 7px #d4d4d4,
        0 0 13px #d4d4d4,
        0 0 26px #cacaca,
        0 0 52px #a4a4a4;
}

.cover-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cover-content button {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
    background-color: var(--panel-bg);
    color: var(--text-colour);
    border: 1px solid var(--border-colour);
    border-radius: 0.25rem;
}

#magnet {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    cursor: grab;
    user-select: none;
}

#magnet:active {
    cursor: grabbing;
}


.cover-scene {
    position: relative;
    width: 100%;
    height: 70vh;
    margin: auto;
    overflow: visible;
}

.collectable {
    position: absolute;
    font-size: 2rem;
    user-select: none;
    transition: all 0.6s ease-in-out;
    color: var(--text-colour);
}

.pendulum {
    --rope-length: 200px;
    position: absolute;
    top: 0;
    left: 50%;
    transform-origin: top center;
    z-index: 999;
}
  
.pendulum::before {
    content: "";
    display: block;
    width: 2px;
    height: var(--rope-length);
    background: var(--hint-colour);
    margin: 0 auto;
}

#magnet {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%, -50%);
    width: 3rem;
    height: 3rem;

    cursor: grab;
    user-select: none;
    z-index: 999;

    transform: rotate(180deg) translateX(50%);
}

#magnet img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    pointer-events: none;
}

#magnet:active {
    cursor: grabbing;
}


.hint {
    font-size: 1rem;
    color: var(--hint-colour);
    margin-bottom: 0.5rem;
    animation: fade-in-out 4s ease-in-out infinite;
}


@keyframes fade-in-out {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}


.neon-text.blue {
    text-shadow:
        0 0 7px #00e5ff,
        0 0 21px #00b8d9,
        0 0 102px #0081a3,
        0 0 151px #0081a3;
}

.neon-text.red {
    text-shadow:
        0 0 7px #ff4d4d,
        0 0 21px #d92f2f,
        0 0 102px #a30000,
        0 0 151px #a30000;
}

.bar-magnet {
    display: inline-block;
    width: 30%;
    perspective: 800px;
}

.bar-magnet img {
    width: 100%;
    height: auto;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
    transition: transform 0.6s ease-in-out;
    transform-style: preserve-3d;
}

.bar-magnet.flipped img {
    transform: rotateY(180deg);
}

.enter-site {
    position: relative;
    display: inline-block;
}

.hint-enter {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 0.25rem;
    border-radius: 0.25rem;
    background: var(--panel-bg);
    color: var(--hint-colour);
    font-size: 0.85rem;
    white-space: nowrap;
    pointer-events: none;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.enter-site:hover .hint-enter {
    visibility: visible;
    opacity: 1;
}