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

html {
    background: var(--background-color);
    -webkit-text-size-adjust: 100%;
}

body {
    overflow-x: hidden;
    font-family: var(--font-body);
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.68;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: inherit;
}

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

a {
    text-decoration: none;
}

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .7s ease, transform .7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
}