/* ---------------------------------------------------------------- reset -- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1.5rem);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background-color: var(--day-bg);
    color: var(--day-ink);
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.62;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

/* Grain: a paper tooth over the whole page, cheap and non-repeating enough. */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    /* This sat at z-index 1 and rendered nothing: section backgrounds paint at
       3 and above, so the paper tooth was covered by the very paper it was
       meant to bite into. Measured — removing its texture produced a
       byte-identical screenshot until the layer was raised. It sits above the
       chapters now and below the lanterns (2-3 within their sections), the
       footer, the header (100) and the skip link (200), and it has never taken
       pointer events. */
    z-index: 4;
    pointer-events: none;
    opacity: 0.28;
    mix-blend-mode: multiply;
    /* The filter reference is url(%23n) — the SVG's own #n. The stylesheet
       split (0c2e079) rewrote it to url(../%23n) along with every asset path,
       and with no filter to reach the rect rendered as flat black: the
       "grain" was a 9% darkening of everything with no grain in it. */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.34'/%3E%3C/svg%3E");
}