:root {
  color-scheme: light;
  --paper: #f4eddf;
  --ink: #27223c;
  --accent: #a63921;
  --line: #968b85;
  --measure: 74rem;
  font-family: system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: .25em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid #8046ae; outline-offset: 5px; }
p { margin: 0 0 1rem; line-height: 1.55; }
.wrap { width: min(var(--measure), calc(100% - 3rem)); margin-inline: auto; }
.skip { position: absolute; left: 1rem; top: .6rem; padding: .7rem 1rem; z-index: 2; background: white; transform: translateY(-200%); }
.skip:focus { transform: none; }
.mast { display: grid; grid-template-columns: auto 1fr auto; gap: 1.7rem; align-items: center; padding-block: 1.35rem; border-bottom: 1px solid var(--line); }
.wordmark { font-family: Georgia, serif; font-weight: bold; font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -.075em; text-decoration: none; }
.wordmark span, .foot span { color: var(--accent); }
.mast p { margin: 0; font-size: .75rem; line-height: 1.3; }
nav { display: flex; flex-wrap: wrap; gap: .55rem 1.5rem; font-size: .9rem; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem, 6vw, 5.2rem); align-items: center; padding-block: clamp(2.5rem, 8vw, 6.7rem); }
.label { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem; margin-bottom: 1.4rem; font: bold .75rem/1.5 ui-monospace, Consolas, monospace; letter-spacing: .055em; text-transform: uppercase; }
.label span { color: var(--accent); border: 1px solid currentColor; padding: .2rem .5rem; }
h1, h2, h3 { font-family: Georgia, serif; margin: 0; }
h1 { font-size: clamp(3.5rem, 8.4vw, 7.6rem); line-height: .86; font-weight: normal; letter-spacing: -.09em; }
h1 em { color: var(--accent); font-weight: normal; }
.dek { margin: 1.7rem 0 1.9rem; max-width: 29ch; font-size: clamp(1rem, 2vw, 1.25rem); }
.action { display: inline-flex; align-items: center; gap: 1rem; padding: .75rem .9rem; border: 1px solid var(--ink); text-decoration: none; font-weight: bold; }
.action:hover { background: var(--ink); color: var(--paper); }
.plate { margin: 0; }
.plate img { width: 100%; height: auto; display: block; border: 1px solid var(--ink); }
figcaption { display: flex; align-items: baseline; gap: .8rem; margin-top: .55rem; font-size: .8rem; }
figcaption span { font: bold .72rem ui-monospace, Consolas, monospace; color: var(--accent); }
.chapter { border-top: 1px solid var(--line); padding-block: 2rem clamp(3rem, 7vw, 6rem); }
.chapter-head { display: grid; grid-template-columns: 1fr 2fr; gap: 1rem; align-items: baseline; margin-bottom: 2rem; }
h2 { font-size: clamp(2.35rem, 5.5vw, 4.6rem); line-height: .97; letter-spacing: -.065em; font-weight: normal; }
.lessons { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.lessons article { padding: clamp(1rem, 2vw, 1.8rem); }
.lessons article + article { border-left: 1px solid var(--line); }
.number { font: italic 2.8rem/.8 Georgia, serif; color: var(--accent); margin-bottom: 1rem; }
h3 { font-size: 1.65rem; margin-bottom: .65rem; letter-spacing: -.03em; }
summary { cursor: pointer; padding-block: .4rem; font-weight: bold; }
details p { margin-top: .65rem; }
.desk { background: #ded6e8; border-block: 1px solid var(--line); }
.desk-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 6vw, 5rem); padding-block: clamp(2rem, 6vw, 5.2rem); align-items: center; }
.desk-grid h2 + p { margin: 1rem 0 0; max-width: 52ch; }
aside { border: 1px dashed #675671; padding: 1.4rem; background: var(--paper); }
aside ul { margin: .8rem 0 0; padding-left: 1.2rem; line-height: 1.8; }
.foot { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding-block: 1.35rem; font-size: .88rem; }
.foot p { margin: 0; }
@media (max-width: 44rem) {
  .mast { grid-template-columns: 1fr auto; gap: .7rem; }
  .mast p { grid-column: 2; grid-row: 1; }
  .mast nav { grid-column: 1 / -1; }
  .hero, .chapter-head, .lessons, .desk-grid { grid-template-columns: 1fr; }
  .hero { gap: 2.2rem; }
  .chapter-head { gap: .2rem; }
  .lessons article + article { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 24rem) {
  .wrap { width: calc(100% - 2rem); }
}