html,
* {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    font-family: Fredoka, cursive;
    padding: 24px 8px;
    background-image: url(assets/bg.svg);
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
}

#scroll-overlay {
    position: fixed;
    bottom: 0;
    left: 0;
    height: 200px;
    width: 100vw;
    pointer-events: none;
    background-image: linear-gradient(to bottom, transparent, #fff);
    opacity: 1;
    transition: 0.2s ease-in-out;
}

.scroll-button {
    position: fixed;
    bottom: 0;
    left: 50%;
    color: #fff;
    background-color: var(--accent);
    padding: 8px 16px;
    border-radius: 32px;
    text-decoration: none;
    margin: 16px 4px;
    transform: translateX(-50%);
}

body:not(.scrolled) .scroll-button {
    pointer-events: all;
}

#scroll-overlay,
.scroll-button {
    transition: 0.2s ease-in-out;
}

.scrolled #scroll-overlay,
.scrolled .scroll-button {
    opacity: 0;
}

:root {
    --accent: #0a0f3a;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

.title {
    margin: auto;
    text-align: center;
    max-width: 800px;
}

.title svg {
    filter: drop-shadow(0 4px var(--accent));
}

.main {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
}

.video-container {
    position: relative;
    max-width: max-content;
}

.video-container::before {
    position: absolute;
    top: -6%;
    left: -6%;
    content: url(assets/sparkle.svg);
    width: 20%;
    height: 20%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.video-container::after {
    position: absolute;
    bottom: -6%;
    right: -6%;
    content: url(assets/sparkle-sm.svg);
    width: 20%;
    height: 20%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.video {
    border-radius: 36px;
    border: 4px solid var(--accent);
    object-fit: cover;
    max-width: 400px;
    width: 100%;
    margin: auto;
    filter: drop-shadow(0 8px var(--accent));
}

.vis {
    display: block;
    border-radius: 36px;
    border: 4px solid var(--accent);
    max-width: 300px;
    max-height: 300px;
    filter: drop-shadow(0 8px var(--accent));
}

.explanation {
    margin: auto;
    max-width: 716px;
    width: 100%;
    background-color: #fff;
    border-radius: 36px;
    border: 4px solid var(--accent);
    filter: drop-shadow(0 8px var(--accent));
    padding: 0 18px;
    font-size: 20px;
    text-align: justify;
}

@media screen and (max-width: 860px) {
    .vis {
        max-width: 400px;
        max-height: 400px;
    }

    .explanation {
        max-width: 416px;
    }
}