*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-block-end: 112px; }
body { margin: 0; padding-block-end: calc(76px + env(safe-area-inset-bottom, 0px)); }
[hidden] { display: none !important; }
#masthead > div, #questions > div, main, #site-footer > div, #notes-bar > div {
  width: min(calc(100% - 40px), 1200px);
  margin-inline: auto;
}
#masthead > div { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 88px; }
#masthead a { display: flex; align-items: center; gap: 12px; }
#masthead a:first-child { flex-wrap: wrap; column-gap: 16px; row-gap: 0; }
#questions { padding-block: 8px; }
#questions > div { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
#questions a { display: flex; align-items: center; justify-content: center; padding: 8px 12px; min-height: 52px; }
main { padding-block: 28px 48px; }
[data-breadcrumb] { display: flex; align-items: center; gap: 12px; margin-block-end: 16px; }
[data-intro] { padding-block-end: 24px; margin-block-end: 32px; }
[data-intro] p { max-width: 66ch; }
[data-intro] h1 { max-width: 35ch; }
[data-handbook] { display: grid; grid-template-columns: minmax(0, 1fr) 272px; align-items: start; gap: 48px; }
[data-page="home"] [data-handbook] { display: block; }
article { min-width: 0; }
article > section { margin-block-end: 36px; }
article > section > p { max-width: 68ch; }
article > section:last-of-type { margin-block-end: 24px; }
aside { position: sticky; top: 24px; padding: 20px 16px; }
aside h2:not(:first-child) { margin-block-start: 32px; }
aside a { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-block: 4px; padding: 12px; min-height: 52px; }
[data-page="home"] article > section:first-child { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); column-gap: 40px; }
[data-page="home"] article > section:first-child > :not(figure) { grid-column: 1; }
[data-page="home"] article > section:first-child > figure { grid-column: 2; grid-row: 1 / span 6; align-self: start; margin-block-start: 0; }
[data-catalogue] { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding: 20px; margin-block-start: 24px; }
[data-card] { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 20px; min-width: 0; }
[data-card] h3, [data-card] p { margin: 0; }
[data-card] > span { max-width: 100%; padding: 4px 8px; }
[data-card] b { margin-block-start: auto; padding-block-start: 12px; }
figure { margin: 24px 0; padding: 20px; }
figure > div { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
figure > div > div { padding: 16px; min-width: 0; }
figure p { margin-block: 8px 0; }
figcaption { margin-block-start: 16px; }
[data-graphic="evidence"] > div { grid-template-columns: 1fr; }
[data-graphic="trial"] > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
[data-graphic="chain"] > div { display: grid; grid-template-columns: repeat(16, minmax(0, 1fr)); gap: 6px; align-items: center; min-height: 52px; }
[data-graphic="chain"] > div > span { display: block; height: 32px; }
[data-recap], [data-takeaway] { padding: 24px; }
[data-turn-page] { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding-block-start: 12px; }
[data-turn-page] a { display: flex; flex-direction: column; gap: 8px; padding: 20px; min-height: 96px; }
[data-turn-page] a:only-child { grid-column: 1 / -1; }
#notes { padding: 24px; scroll-margin-block-start: 24px; }
#notes label { display: block; margin-block: 24px 12px; }
textarea { display: block; width: 100%; min-height: 240px; padding: 16px; resize: vertical; }
[data-note-controls] { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 16px; }
button { min-height: 48px; padding: 12px 16px; }
a { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; gap: 8px; }
a[rel="external"] { display: inline-flex; max-width: 100%; padding-block: 4px; line-height: 1.5; vertical-align: baseline; }
[data-takeaway] > a { padding: 8px 12px; }
#site-footer { padding-block: 36px; }
#site-footer p { max-width: 70ch; margin-block-end: 20px; }
#site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
#site-footer nav a { padding-block: 8px; }
#notes-bar { position: fixed; inset: auto 0 0; z-index: 10; min-height: 75px; padding-block-end: env(safe-area-inset-bottom, 0px); }
#notes-bar > div { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 75px; }
#notes-bar a { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 0; padding-block: 6px; }
#notes-bar button { flex-shrink: 0; }
#skip { position: fixed; z-index: 20; left: 16px; top: -100px; padding: 12px 20px; }
#skip:focus { top: 16px; }
@media (max-width: 1080px) {
  #questions > div { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  #questions a:last-child { grid-column: span 2; }
  [data-handbook] { gap: 28px; grid-template-columns: minmax(0, 1fr) 236px; }
  [data-page="home"] article > section:first-child { column-gap: 28px; }
  [data-catalogue] { padding: 16px; }
}
@media (max-width: 760px) {
  #masthead > div, #questions > div, main, #site-footer > div, #notes-bar > div { width: calc(100% - 32px); }
  #masthead > div { min-height: 76px; gap: 12px; }
  #masthead a:first-child { flex-direction: column; align-items: flex-start; }
  #masthead a:last-child { max-width: 140px; justify-content: flex-end; }
  #questions > div { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  #questions a { min-height: 44px; padding: 8px; }
  #questions a:last-child { grid-column: 1 / -1; }
  main { padding-block: 24px 32px; }
  [data-intro] { margin-block-end: 28px; padding-block-end: 20px; }
  [data-handbook] { display: block; }
  aside { position: static; margin-block-start: 36px; }
  [data-page="home"] article > section:first-child { display: block; }
  [data-page="home"] article > section:first-child > figure { margin-block-start: 24px; }
  [data-catalogue] { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 12px; gap: 12px; }
  [data-card] { padding: 16px 12px; gap: 12px; }
  figure { padding: 16px; }
  figure > div { grid-template-columns: 1fr; }
  [data-graphic="trial"] > div { grid-template-columns: 1fr; }
  [data-graphic="chain"] > div { grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 6px; }
  [data-recap], [data-takeaway], #notes { padding: 20px 16px; }
  [data-turn-page] { gap: 12px; }
  [data-turn-page] a { padding: 16px 12px; }
  #notes-bar > div { gap: 8px; }
  #notes-bar button { padding-inline: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}