:root { color-scheme: light; --paper: #f6f1e8; --ink: #302724; --muted: #6b5b51; --accent: #720f0c; --line: #d6c5aa; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.6 system-ui, sans-serif; }
a { color: inherit; text-underline-offset: .25em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, pre:focus-visible { outline: 3px solid #8a431e; outline-offset: 5px; }
.wrap { width: min(1120px, calc(100% - 3rem)); margin-inline: auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 1.8rem; border-bottom: 1px solid var(--line); }
.wordmark { font-weight: 750; letter-spacing: -.05em; font-size: 1.35rem; text-decoration: none; }
.wordmark span { font-weight: 400; color: var(--muted); }
nav { display: flex; gap: 1.75rem; font-size: .9rem; }
nav a { text-decoration: none; padding-block: .5rem; }
.skip-link { position: absolute; top: -5rem; padding: .7rem 1rem; background: var(--ink); color: white; z-index: 2; }
.skip-link:focus { top: 1rem; left: 1rem; }
.intro { display: grid; grid-template-columns: 1.15fr 1fr; gap: 5rem; align-items: center; padding-block: 5rem 6rem; }
.eyebrow, .tag { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 650; }
h1 { font-size: clamp(5rem, 9vw, 8.2rem); letter-spacing: -.065em; line-height: .92; margin: 1.5rem 0 2rem; font-weight: 650; }
h1 em { font-family: Georgia, serif; font-weight: 400; color: var(--accent); }
.lede { font-size: clamp(1.2rem, 2vw, 1.55rem); letter-spacing: -.025em; margin-bottom: .6rem; }
.description { max-width: 30rem; color: var(--muted); }
.description strong { color: var(--ink); font-weight: 500; }
.edition { font-size: .9rem; color: var(--muted); margin-block: 1.8rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 2rem; padding: .9rem 1.2rem; background: var(--accent); color: white; text-decoration: none; font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.hero-actions .text-link { margin: 0; }
.button:hover { background: #540c09; }
.platform { background: #eaddc6; padding: 2.2rem; border-radius: 2px; }
.platform-label { margin: 0 0 2.5rem; color: #3c513c; font-family: Georgia, serif; font-size: 1.4rem; line-height: 1.35; max-width: 15rem; }
.platform ul { padding: 0; list-style: none; margin: 0; }
.platform li { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding-block: 1rem; border-bottom: 1px solid #bdc8ae; }
.platform li span { font-size: clamp(1.4rem, 2.2vw, 1.9rem); letter-spacing: -.04em; font-weight: 600; }
.platform li small { color: #46563f; font-size: .75rem; text-align: right; }
.platform-note { font-size: .75rem; color: #46563f; margin: 2rem 0 0; }
h2 { font: 400 clamp(2rem, 4vw, 3rem)/1.12 Georgia, serif; letter-spacing: -.035em; margin: .5rem 0 1.5rem; }
h3 { font-size: 1.5rem; line-height: 1.2; letter-spacing: -.035em; margin: .6rem 0 1rem; }
.resources { display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem 4rem; border-top: 1px solid var(--line); padding-block: 3rem 4rem; }
.section-intro { grid-column: 1 / -1; }
.resource p:not(.tag) { color: var(--muted); max-width: 31rem; }
.text-link { display: inline-block; font-weight: 600; margin-block: .5rem 1rem; }
.resource small { display: block; color: var(--muted); font-size: .8rem; }
footer { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; border-top: 1px solid var(--line); padding-block: 1.5rem 2.5rem; font-size: .8rem; }
footer p { font-weight: 650; }
footer span { display: block; color: var(--muted); font-weight: 400; }
.content { max-width: 760px; padding-block: 4rem; }
.content h1 { font: 400 clamp(2.5rem, 7vw, 4.5rem)/1.1 Georgia, serif; letter-spacing: -.04em; }
.content h2 { font-size: 2rem; margin-top: 3rem; }
.content h3 { font-size: 1.2rem; }
.content li { margin-block: .5rem; }
.content code { font-size: .9em; overflow-wrap: anywhere; }
pre { padding: 1.2rem; background: #eaddc6; overflow-x: auto; }
pre code { white-space: pre; overflow-wrap: normal; }
.download-list { padding: 0; list-style: none; }
.download-list li { padding-block: 1.3rem; border-bottom: 1px solid var(--line); }
.download-list p { margin-bottom: .3rem; color: var(--muted); }
@media (max-width: 760px) {
 .intro { grid-template-columns: 1fr; gap: 2.5rem; padding-block: 3rem; }
 .platform { padding: 1.6rem; }
 .platform-label { max-width: none; margin-bottom: 1.4rem; }
 .platform li span { font-size: 1.6rem; }
 .resources { grid-template-columns: 1fr; gap: 2rem; padding-block: 2rem 3rem; }
 .section-intro { grid-column: auto; }
 footer { flex-wrap: wrap; }
}
@media (max-width: 400px) { .wrap { width: calc(100% - 2rem); } nav { gap: .9rem; } .wordmark { font-size: 1.15rem; } .site-header { padding-block: 1rem; } }

.home { max-width: 960px; }
.home h1 { margin-top: 0; }
.home .resources { display: block; padding-block: 1.5rem 0; margin-top: 2.5rem; }
.home .resources h2 { margin-top: 0; }
.home .resource { margin-top: 1.8rem; }
.home .resource p { margin-bottom: 0; }

.book-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 2.5rem; align-items: center; }
.book-copy h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: var(--accent); }
.book-image { display: block; width: 100%; height: auto; }
@media (max-width: 680px) {
 .book-intro { grid-template-columns: 1fr; gap: 1.5rem; }
 .book-image { max-width: 340px; }
}

.footer-links { flex-wrap: wrap; gap: .5rem 1.25rem; font-size: inherit; }