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

html {
    background: var(--background-color);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    line-height: 1.65;
    color: var(--text-color);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: 0.01em;
}

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

img {
    max-width: 100%;
}

:focus-visible {
    outline: 2px solid var(--secondary-color);
    outline-offset: 3px;
}