:root {
    font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
/*     font-family: Arial, Helvetica, sans-serif; */
    line-height: 1.5;
    font-weight: 400;

    color-scheme: light dark;
    color: rgba(255, 255, 255, 0.87);
    background-color: #242424;
    /* color: #213547; */

    /* font-synthesis: none; */
    /* text-rendering: optimizeLegibility; */

    text-align: center;
}

button {
    border-radius: 8px;
    border: 1px solid transparent;
    padding: 0.6em 1.2em;
    font-size: 1em;
    font-weight: 500;
    font-family: inherit;
    background-color: #1a1a1a;
    /* background-color: #f9f9f9; */
    cursor: pointer;
    transition: border-color 0.25s;
}
button:hover {
    border-color: #646cff;
}
button:focus,
button:focus-visible {
    outline: 4px auto -webkit-focus-ring-color;
}

h1 {
    font-size: 3.2em;
    line-height: 1.1;
}

a {
    font-weight: 500;
    color: #646cff;
    text-decoration: inherit;
}
a:hover {
    color: #535bf2;
    /* color: #747bff; */
}

.logo {
    height: 10em;
    padding: 1.5em;
    will-change: filter;
    transition: filter 300ms;
}
.logo:hover {
    filter: drop-shadow(0 0 2em #61dafbaa); /* 646cffaa */
}

@media (prefers-reduced-motion: no-preference) {
    .logo {
        animation: logo-spin infinite 20s linear;
    }
}

@keyframes logo-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}