* {
    box-sizing: border-box;
}

:root {
    --color-background: #bf9efc;
    --color-link: #083e66;
    --color-link-border: #946cdf;
    --color-text: #82105a;
    --color-button-background: #1b94bf;
    --color-button-background-hover: #147395;
    --color-button-text: #fff;
}

html {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: 'DM Sans', sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
    font-weight: 300;
    margin: 0;
    padding: 0;
}

body {
    color: var(--color-text);
    margin: 0 auto;
    padding: 0;
}

a {
    border-bottom: 2px solid var(--color-link-border);
    color: var(--color-link);
    display: inline-block;
    font-weight: bold;
    line-height: 1.2;
    text-decoration: none;
}

a:hover {
    border-bottom: 2px dotted var(--color-link-border);
}

body {
    align-items: center;
    display: flex;
    margin: 0 auto;
    padding: 1rem;
}

h1 {
    font-size: 1.75rem;
}

.c-content {
    margin: 0 auto 3rem;
    text-align: center;
}

.c-stage {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.c-overlay-color {
    height: 200px;
    width: 200px;
}

.c-image {
    max-width: 200px;
}

.c-overlay-color.is-overlay {
    animation: overlayVerticalAnimation 1.8s linear;
}

.c-button {
    background: none;
    background-color: var(--color-button-background);
    border: none;
    border-radius: 24px;
    color: var(--color-button-text);
    font-family: inherit;
    font-size: 1.2rem;
    line-height: 1;
    margin: 0;
    padding: 0.65rem 1.5rem;
    transition: background-color 0.25s ease;
}

.c-button:hover:not(:disabled) {
    background-color: var(--color-button-background-hover);
}

.c-button:disabled {
    opacity: 0.5;
}

.c-footer {
    background-color: var(--color-background);
    font-size: 0.85rem;
    inset: auto 0 0 0;
    padding: 1rem 1.5rem 1rem;
    position: fixed;
    text-align: center;
    width: 100%;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #211930;
        --color-link: #dd64b3;
        --color-link-border: #7053a6;
        --color-text: #1b94bf;
    }
}

@media (min-width: 760px) {
    .c-content {
        align-items: center;
        display: flex;
        height: 80vh;
    }

    .c-stage {
        flex-direction: row;
    }

    .c-overlay-color.is-overlay {
        animation: overlayHorizontalAnimation 1.8s linear;
    }

    .c-overlay-color {
        height: 350px;
        width: 350px;
    }

    .c-image {
        max-width: 350px;
    }
}

@keyframes overlayVerticalAnimation {
    0% {
        transform: none;
    }
    15% {
        transform: translateY(calc(100% + 1rem));
    }
    70% {
        transform: translateY(calc(100% + 1rem));
    }
    80% {
        transform: translateY(calc(100% + 1rem));
    }
    95% {
        transform: none;
    }
}

@keyframes overlayHorizontalAnimation {
    0% {
        transform: none;
    }
    15% {
        transform: translateX(calc(100% + 1rem));
    }
    70% {
        transform: translateX(calc(100% + 1rem));
    }
    80% {
        transform: translateX(calc(100% + 1rem));
    }
    95% {
        transform: none;
    }
}