/* IBM Plex Serif, self-hosted. SIL OFL 1.1 — see fonts/LICENSE.txt */
@font-face {
    font-family: 'IBM Plex Serif';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('fonts/plex-serif-400.woff2') format('woff2');
}

@font-face {
    font-family: 'IBM Plex Serif';
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url('fonts/plex-serif-400-italic.woff2') format('woff2');
}

@font-face {
    font-family: 'IBM Plex Serif';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('fonts/plex-serif-500.woff2') format('woff2');
}

@font-face {
    font-family: 'IBM Plex Serif';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('fonts/plex-serif-600.woff2') format('woff2');
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 19px;
}

body {
    background: #f8f7f4;
    color: #1c1b18;
    font-family: 'IBM Plex Serif', Georgia, serif;
    line-height: 1.75;
    padding: 5rem 1.5rem 6rem;
}

main {
    max-width: 640px;
    margin: 0 auto;
}

/* ── Header ── */

header {
    text-align: center;
    margin-bottom: 5rem;
}

.hero {
    display: block;
    width: 72%;
    max-width: 460px;
    margin: 0 auto 2.75rem;
}

h1 {
    font-size: 2.2rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: #6b1818;
}

/* ── Sections ── */

section {
    margin-bottom: 4rem;
}

p {
    margin-bottom: 1.3em;
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: inherit;
    text-decoration-color: #c8c0b0;
    text-underline-offset: 3px;
}

a:hover {
    text-decoration-color: #6b1818;
}

/* ── Catenary section ── */

blockquote {
    margin: 2rem 0 2rem 1.75rem;
    padding-left: 1.5rem;
    border-left: 1px solid #ccc8be;
    font-style: italic;
    color: #3a3830;
}

.credit {
    font-size: 0.875rem;
    color: #9a9080;
    font-style: italic;
    margin-top: 2rem;
}

/* ── Philosophy ── */

.philosophy {
    border-top: 1px solid #dedad2;
    padding-top: 3.5rem;
}

.philosophy strong {
    color: #6b1818;
    font-weight: 500;
}

/* ── Chaucer ── */

.chaucer {
    border-top: 1px solid #dedad2;
    padding-top: 3.5rem;
}

.verse {
    font-style: italic;
}

.verse p {
    margin-bottom: 1.4em;
}

.attribution {
    font-size: 0.9rem;
    color: #9a9080;
    margin-top: 0.5rem;
}

/* ── Footer ── */

footer {
    border-top: 1px solid #dedad2;
    padding-top: 3rem;
    margin-top: 1rem;
    text-align: center;
}

footer a {
    color: #6b1818;
    text-decoration: none;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

footer a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ── Mobile ── */

@media (max-width: 560px) {
    html {
        font-size: 17px;
    }

    body {
        padding: 3rem 1.25rem 4rem;
    }

    .hero {
        width: 85%;
    }

    blockquote {
        margin-left: 1rem;
    }
}

strong {
    font-weight: 600;
}