:root {
  color-scheme: light;
  --canvas: #f8f3e8;
  --sheet: #fffdf7;
  --band: #e7eaf6;
  --dock: #fffdf7;
  --button: #293fac;
  --ink: #292720;
  --muted: #625b50;
  --blue: #293fac;
  --link: #263998;
  --rule: #c9c1b2;
  --radius: 6px;
  --font: Palatino, "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --display: "Bodoni 72", Didot, "Times New Roman", serif;
  --type: 20px;
  --leading: 1.65;
  --measure: 64ch;
  --shell: 1184px;
  --gutter: clamp(22px, 4vw, 48px);
  --dock-height: 88px;
  --target: 48px;
}

* { box-sizing: border-box; }
html { font-size: var(--type); scroll-padding-bottom: calc(var(--dock-height) + 28px); }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--font); font-size: var(--type); font-weight: 400; line-height: var(--leading); }
main, section, aside, li, div { min-width: 0; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
h1, h2, h3, h4, h5, h6 { font-family: var(--display); font-weight: 400; text-wrap: balance; }
h1 { max-width: 17ch; color: var(--blue); font-size: clamp(46px, 5.6vw, 76px); line-height: 1.04; letter-spacing: -.018em; }
h2 { color: var(--blue); font-size: clamp(29px, 2.5vw, 35px); line-height: 1.16; }
h3 { font-size: 27px; line-height: 1.25; }
p, li, h1, h2, h3 { overflow-wrap: break-word; }
p + p { margin-top: 16px; }
a { color: var(--link); text-decoration: underline; text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:is(a, summary, button, input, select, textarea, [tabindex]):focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
::selection { background: var(--blue); color: var(--sheet); }
[data-section] { scroll-margin-top: 28px; }

:is(.open-shell, .ask-shell, .budget-shell, .caution-shell, .missing-shell) {
  width: min(100%, var(--shell)); margin-inline: auto;
  padding: 0 var(--gutter) calc(var(--dock-height) + env(safe-area-inset-bottom) + 40px);
}
:is(.open-mast, .ask-mast, .budget-mast, .caution-mast, .missing-mast) {
  display: flex; flex-wrap: wrap; gap: 4px 24px; justify-content: space-between;
  padding-block: 22px 20px; border-top: 5px solid var(--blue); border-bottom: 1px solid var(--rule);
  color: var(--ink); font-size: 18px;
}
:is(.open-mast, .ask-mast, .budget-mast, .caution-mast, .missing-mast) p + p { margin: 0; color: var(--muted); font-style: italic; }
:is(.open-hero, .ask-hero, .budget-hero, .caution-hero, .missing-hero) { padding-block: 52px 42px; }
.open-hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 54px; align-items: center; }
:is(.open-intro, .ask-intro, .budget-intro, .caution-intro, .missing-intro) > p { max-width: var(--measure); }
:is(.open-intro, .ask-intro, .budget-intro, .caution-intro, .missing-intro) h1 { margin-bottom: 24px; }
:is(.open-eyebrow, .ask-eyebrow, .budget-eyebrow, .caution-eyebrow, .missing-eyebrow) {
  margin-bottom: 16px; color: var(--link); font-size: 19px; font-style: italic; letter-spacing: normal;
}

/* The small paper slips echo a notebook, even before its declared image arrives. */
.open-collage { width: 100%; max-width: 400px; justify-self: end; }
.open-paper-bed { position: relative; aspect-ratio: 10 / 7; overflow: hidden; border-radius: var(--radius); background: #e3d8bf; }
.open-paper-bed::before, .open-paper-bed::after { content: ""; position: absolute; pointer-events: none; border-radius: var(--radius); }
.open-paper-bed::before {
  inset: 16% 14% 22% 23%; background: #fffdf7; transform: rotate(-7deg); border-left: 10px solid var(--blue);
}
.open-paper-bed::after {
  inset: 35% 23% 12% 12%; background: #f4eddd; transform: rotate(6deg); border-top: 8px solid var(--blue);
}
.open-paper-bed img { position: relative; z-index: 1; display: block; width: 100%; height: 100%; aspect-ratio: 10 / 7; object-fit: cover; border-radius: var(--radius); color: var(--ink); font-size: 18px; background: transparent; }
.open-collage figcaption { padding-top: 14px; color: var(--muted); font-size: 18px; font-style: italic; text-align: center; }

:is(.open-jump, .ask-jump, .budget-jump, .caution-jump, .missing-jump) {
  margin-bottom: 12px; border-radius: var(--radius); background: var(--band);
}
summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; padding: 14px 22px; cursor: pointer; list-style: none; color: var(--link); }
summary::-webkit-details-marker { display: none; }
summary span { color: var(--blue); font-size: 25px; }
details[open] summary { border-bottom: 1px solid #bac2e1; }
details[open] summary span { transform: rotate(90deg); }
details nav ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; padding: 8px 22px 14px; list-style: none; }
details nav a { display: flex; align-items: center; min-height: var(--target); width: 100%; padding-block: 10px; }

:is(.open-section, .ask-section, .budget-section, .caution-section, .missing-section) {
  display: grid; grid-template-columns: 244px minmax(0, 1fr); gap: 52px;
  padding-block: 40px; border-bottom: 1px solid var(--rule);
}
:is(.open-section-body, .ask-section-body, .budget-section-body, .caution-section-body, .missing-section-body) { max-width: var(--measure); }
/* A single drawn open-book mark introduces the notes on each page. */
:is(.open-section, .ask-section, .budget-section, .caution-section, .missing-section):first-of-type > h2::before {
  content: ""; display: block; width: 28px; height: 22px; margin-bottom: 18px;
  border: 2px solid var(--blue); border-radius: 4px 4px 6px 6px;
  background: linear-gradient(to right, transparent 46%, var(--blue) 46%, var(--blue) 54%, transparent 54%);
}
.ask-procedure { padding: 0; list-style: none; }
:is(.open-bullets, .ask-bullets, .budget-bullets, .caution-bullets, .missing-bullets) { padding-left: 23px; margin-top: 20px; }
:is(.open-bullets, .ask-bullets, .budget-bullets, .caution-bullets, .missing-bullets) li { padding-left: 5px; margin-bottom: 14px; }
li::marker { color: var(--blue); }
:is(.open-checks, .ask-checks, .budget-checks, .caution-checks, .missing-checks) { padding: 0; list-style: none; margin-top: 20px; }
:is(.open-checks, .ask-checks, .budget-checks, .caution-checks, .missing-checks) li { position: relative; padding: 16px 0 16px 36px; border-top: 1px solid var(--rule); }
:is(.open-checks, .ask-checks, .budget-checks, .caution-checks, .missing-checks) li::before {
  content: ""; position: absolute; left: 0; top: 23px; width: 19px; height: 19px; border: 2px solid var(--blue); border-radius: 4px;
}
:is(.open-note-line, .ask-note-line, .budget-note-line, .caution-note-line) { min-height: 90px; padding-top: 22px; color: var(--muted); font-style: italic; border-bottom: 1px solid var(--rule); }
:is(.open-next, .ask-next, .budget-next, .caution-next, .missing-next) {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: 52px; max-width: 100%; margin-top: 24px; padding: 12px 20px;
  border: 2px solid var(--blue); border-radius: var(--radius); background: var(--button); color: var(--sheet); font-size: 19px;
}
:is(.open-next, .ask-next, .budget-next, .caution-next, .missing-next):hover { background: var(--link); }

:is(.open-sources, .ask-sources, .budget-sources, .caution-sources, .missing-sources) {
  margin-top: 36px; padding: 30px; background: var(--band); border-radius: var(--radius);
}
:is(.open-sources, .ask-sources, .budget-sources, .caution-sources, .missing-sources) h2 { margin-bottom: 16px; }
:is(.open-sources, .ask-sources, .budget-sources, .caution-sources, .missing-sources) ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; padding: 0; list-style: none; }
:is(.open-sources, .ask-sources, .budget-sources, .caution-sources, .missing-sources) a { display: flex; align-items: center; min-height: var(--target); padding-block: 12px; width: 100%; }
:is(.open-footer, .ask-footer, .budget-footer, .caution-footer, .missing-footer) { padding-top: 30px; color: var(--muted); font-size: 18px; }
:is(.open-footer, .ask-footer, .budget-footer, .caution-footer, .missing-footer) p { max-width: var(--measure); }
:is(.open-footer, .ask-footer, .budget-footer, .caution-footer, .missing-footer) a { display: inline-flex; align-items: center; min-width: var(--target); min-height: var(--target); margin-top: 12px; }

:is(.open-dock, .ask-dock, .budget-dock, .caution-dock, .missing-dock) {
  position: fixed; z-index: 5; inset: auto 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(calc(100% - 32px), 640px); margin-inline: auto; padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  border: 2px solid var(--blue); border-bottom: 0; border-radius: 8px 8px 0 0; background: var(--dock); font-size: 18px;
}
:is(.open-dock, .ask-dock, .budget-dock, .caution-dock, .missing-dock) a {
  display: flex; align-items: center; justify-content: center; min-height: var(--target); padding: 9px 6px; text-align: center; border-radius: var(--radius);
}
:is(.open-dock, .ask-dock, .budget-dock, .caution-dock, .missing-dock) a[aria-current] { color: var(--sheet); background: var(--blue); text-decoration-thickness: 2px; }
:is(.open-skip, .ask-skip, .budget-skip, .caution-skip, .missing-skip) {
  position: fixed; z-index: 10; left: 20px; top: 12px; min-height: var(--target); padding: 12px 16px;
  color: var(--sheet); background: var(--blue); transform: translateY(-180%); border-radius: var(--radius);
}
:is(.open-skip, .ask-skip, .budget-skip, .caution-skip, .missing-skip):focus { transform: translateY(0); }

@media (max-width: 760px) {
  :root { --type: 19px; }
  .open-hero { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  :is(.open-hero, .ask-hero, .budget-hero, .caution-hero, .missing-hero) { padding-block: 34px 30px; }
  .open-collage { width: min(100%, 400px); justify-self: start; }
  .open-paper-bed, .open-paper-bed img { aspect-ratio: 10 / 6; }
  :is(.open-section, .ask-section, .budget-section, .caution-section, .missing-section) { grid-template-columns: minmax(0, 1fr); gap: 22px; padding-block: 30px; }
  :is(.open-section, .ask-section, .budget-section, .caution-section, .missing-section):first-of-type > h2::before { margin-bottom: 14px; }
  :is(.open-sources, .ask-sources, .budget-sources, .caution-sources, .missing-sources) { padding: 24px; }
  :is(.open-sources, .ask-sources, .budget-sources, .caution-sources, .missing-sources) ul, details nav ul { grid-template-columns: minmax(0, 1fr); }
  :is(.open-dock, .ask-dock, .budget-dock, .caution-dock, .missing-dock) { width: calc(100% - 24px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}
@media print {
  :root { --canvas: #fff; --sheet: #fff; --band: #f1f1f1; --ink: #292720; --muted: #625b50; --link: #263998; --button: #fff; }
  body { background: #fff; color: var(--ink); font-size: 12pt; }
  :is(.open-shell, .ask-shell, .budget-shell, .caution-shell, .missing-shell) { width: 100%; padding: 0; }
  :is(.open-dock, .ask-dock, .budget-dock, .caution-dock, .missing-dock), :is(.open-jump, .ask-jump, .budget-jump, .caution-jump, .missing-jump), :is(.open-skip, .ask-skip, .budget-skip, .caution-skip, .missing-skip), .open-collage { display: none; }
  .open-hero { display: block; }
  h1 { font-size: 34pt; }
  h2 { font-size: 20pt; break-after: avoid; }
  :is(.open-section, .ask-section, .budget-section, .caution-section, .missing-section) { display: block; padding-block: 20px; }
  :is(.open-section, .ask-section, .budget-section, .caution-section, .missing-section) h2 { margin-bottom: 12px; }
  li { break-inside: avoid; }
  :is(.open-sources, .ask-sources, .budget-sources, .caution-sources, .missing-sources) { padding: 16px; }
  :is(.open-next, .ask-next, .budget-next, .caution-next, .missing-next) { color: var(--link); background: #fff; }
  a { color: var(--link); }
}