/* Explain: Base reset and typography defaults. */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--background-color);
}

body {
    margin: 0;
    overflow-x: hidden;
    font-family: var(--font-body);
    color: var(--text-color);
    background-color: var(--background-color);
    background-image: var(--background-gradient);
    background-attachment: fixed;
    background-repeat: no-repeat;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-color);
}

a {
    color: inherit;
}

::selection {
    background: var(--primary-color);
    color: var(--on-primary);
}