/* INJECT-RESPECT — site styles */

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("../fonts/atkinson-hyperlegible-next-latin-wght-normal.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("../fonts/atkinson-hyperlegible-next-latin-wght-italic.woff2") format("woff2");
  font-weight: 200 800;
  font-style: italic;
  font-display: swap;
}

:root {
  --paper: #f3f4f8;
  --surface: #ffffff;
  --ink: #1d1a2b;
  --muted: #595569;
  --rule: #d9d7e3;
  --violet: #5b3fa0;
  --violet-strong: #47307f;
  --violet-soft: #ebe6f6;
  --covered: #2a7353;
  --covered-soft: #e3f1ea;
  --focus: #5b3fa0;

  --font: "Atkinson Hyperlegible Next", "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.625rem;
  --step-3: 2.125rem;

  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --masthead-h: 3.5rem;
  --sticky-top: var(--masthead-h);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15131d;
    --surface: #1d1a28;
    --ink: #ebe9f2;
    --muted: #aba7bb;
    --rule: #34304a;
    --violet: #b6a1ee;
    --violet-strong: #cdbdf5;
    --violet-soft: #2a2440;
    --covered: #72c79f;
    --covered-soft: #1b3228;
    --focus: #cdbdf5;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--sticky-top) + 1rem);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.55;
  font-weight: 400;
}

h1, h2, h3, h4 { line-height: 1.2; margin: 0; font-weight: 700; }
h2 { font-size: var(--step-3); letter-spacing: -0.01em; }
h3 { font-size: var(--step-1); }
p { margin: 0 0 1em; }
a { color: var(--violet); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--violet-strong); text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--violet); color: #fff; padding: 0.6rem 1rem; border-radius: 6px;
}
.skip-link:focus { top: 0.75rem; color: #fff; }

/* ---------- Buttons ---------- */

.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem;
  padding: 0.55rem 1.1rem;
  border: 1.5px solid var(--violet);
  border-radius: 6px;
  background: transparent;
  color: var(--violet);
  font: inherit; font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.button:hover { background: var(--violet-soft); color: var(--violet-strong); text-decoration: none; }
.button-primary { background: var(--violet); color: #fff; }
.button-primary:hover { background: var(--violet-strong); color: #fff; }
@media (prefers-color-scheme: dark) {
  .button-primary, .button-primary:hover { color: #15131d; }
}
.button-quiet {
  border-color: var(--rule);
  color: var(--ink);
  font-weight: 500;
  min-height: 2.5rem;
  padding: 0.4rem 0.9rem;
}
.button-quiet:hover { border-color: var(--violet); background: var(--violet-soft); color: var(--ink); }

/* ---------- Masthead ---------- */

.masthead {
  position: sticky; top: 0; z-index: 30;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.masthead-inner {
  height: var(--masthead-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.wordmark {
  display: inline-flex; align-items: center; gap: 0.55rem;
  color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: 0.01em; white-space: nowrap;
}
.wordmark:hover { color: var(--ink); }
.wordmark img { display: block; border-radius: 6px; }
.site-nav { display: flex; gap: clamp(0.75rem, 2.5vw, 1.75rem); }
.site-nav a { color: var(--ink); text-decoration: none; font-weight: 500; padding: 0.4rem 0; }
.site-nav a:hover { color: var(--violet); text-decoration: underline; }
.nav-pdf { color: var(--violet) !important; font-weight: 700 !important; }

/* ---------- Intro + mnemonic ---------- */

.intro {
  padding-top: clamp(2.5rem, 7vw, 5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.mnemonic {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0 clamp(0.25rem, 1vw, 0.75rem);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.mnemonic-word { display: flex; }
.mnemonic-hyphen {
  font-size: clamp(2.4rem, 6.2vw, 5.25rem);
  font-weight: 300;
  line-height: 1;
  color: var(--muted);
  align-self: flex-start;
}
.mnemonic-item {
  display: flex; flex-direction: column; align-items: center;
  width: clamp(2.6rem, 5.3vw, 4.6rem);
  text-decoration: none;
  color: var(--ink);
  padding-bottom: 0.5rem;
  border-radius: 6px;
}
.mnemonic-letter {
  font-size: clamp(2.4rem, 6.2vw, 5.25rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}
.mnemonic-name {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-top: 0.6rem;
  font-size: clamp(0.72rem, 1.3vw, 0.95rem);
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
  text-align: end;
}
.mnemonic-item:hover .mnemonic-letter,
.mnemonic-item:focus-visible .mnemonic-letter { color: var(--violet-strong); text-decoration: underline; text-decoration-thickness: 4px; text-underline-offset: 0.08em; }
.mnemonic-item:hover .mnemonic-name { color: var(--ink); }

@media (max-width: 40rem) {
  .mnemonic { flex-direction: column; gap: 0.75rem; }
  .mnemonic-hyphen { display: none; }
  .mnemonic-item { width: calc((100vw - 2 * var(--gutter)) / 7); }
  .mnemonic-letter { font-size: clamp(2.25rem, 11vw, 3.25rem); }
  .mnemonic-name { font-size: 0.72rem; }
}

.intro-text { max-width: 42rem; }
.lede {
  font-size: var(--step-2);
  line-height: 1.3;
  font-weight: 600;
  margin-bottom: 0.75em;
}
.intro-text p:not(.lede) { color: var(--muted); max-width: 38rem; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

/* ---------- Before you begin ---------- */

.before {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--rule);
}
.before h2 { margin-bottom: 1.5rem; }
.before-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.before-instructions p { max-width: 36rem; }
.framing {
  background: var(--violet-soft);
  border-radius: 10px;
  padding: 1.5rem 1.6rem 1.25rem;
}
.framing h3 { margin-bottom: 0.75rem; }
.framing p { color: var(--ink); }
.framing-intro { font-weight: 700; margin-bottom: 0.5rem; }
.framing ul { margin: 0 0 1rem; padding-left: 1.2rem; }
.framing-more { margin: 0; font-size: var(--step--1); }
.framing li { margin-bottom: 0.45rem; }
.framing li::marker { color: var(--violet); }
@media (max-width: 52rem) {
  .before-grid { grid-template-columns: 1fr; }
}

/* ---------- Guide ---------- */

.guide {
  border-top: 1px solid var(--rule);
  padding-top: clamp(2.5rem, 6vw, 4rem);
  background: var(--surface);
}
.guide-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem 2rem; margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--rule); }
.guide-head h2 { margin-bottom: 0.5rem; }
.guide-note { color: var(--muted); max-width: 40rem; margin: 0; }

@media (max-width: 40rem) {
  :root { --sticky-top: 0px; }
  .masthead { position: static; }
  .masthead-inner { gap: 0.75rem; }
  .wordmark { font-size: 0.95rem; gap: 0.45rem; }
  .wordmark img { width: 24px; height: 24px; }
  .site-nav { gap: 0.9rem; font-size: 0.95rem; }
  .nav-pdf { display: none; }
}

.guide-body {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-top: 1.5rem;
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.rail {
  position: sticky;
  top: calc(var(--sticky-top) + 1.25rem);
  align-self: start;
}
.rail ol { list-style: none; margin: 0; padding: 0; }
.rail a {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  font-size: var(--step--1);
}
.rail a:hover { background: var(--violet-soft); }
.rail a[aria-current="true"] { background: var(--violet-soft); font-weight: 700; }
.rail-letter { font-weight: 800; color: var(--violet); }

@media (max-width: 52rem) {
  .guide-body { grid-template-columns: 1fr; }
  .rail { display: none; }
}

.domain {
  padding-block: 1.75rem;
  border-top: 1px solid var(--rule);
  border-radius: 2px;
}
.domain:first-child { border-top: 0; padding-top: 0.25rem; }
.domain-head {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  align-items: start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.domain-letter {
  font-size: 3.25rem;
  line-height: 0.9;
  font-weight: 800;
  color: var(--violet);
}
.domain-title h3 { font-size: var(--step-2); }
.domain-keywords { margin: 0.2rem 0 0; color: var(--muted); font-size: var(--step--1); }
.domain-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 2.25rem;
  padding-left: 4.5rem;
}

.group h4 {
  font-size: var(--step--1);
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.group-detailed h4 { color: var(--violet); }

@media (max-width: 64rem) {
  .domain-groups { grid-template-columns: 1fr; }
}
@media (max-width: 40rem) {
  .domain-head { grid-template-columns: 2.5rem minmax(0, 1fr); gap: 0.75rem; }
  .domain-letter { font-size: 2.5rem; }
  .domain-groups { padding-left: 0; }
}

.questions { list-style: none; margin: 0; padding: 0; }
.question {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.25rem;
  max-width: 44rem;
}
.question::before {
  content: "";
  position: absolute; left: 0.1rem; top: 1.08em;
  width: 0.45rem; height: 0.45rem; border-radius: 50%;
  background: var(--violet);
}
.group-quick .question::before { background: var(--ink); }
.question + .question { border-top: 1px dashed var(--rule); }

.priority {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
  background: var(--violet);
  color: #fff;
  vertical-align: 0.1em;
}
.is-priority { font-weight: 700; }

.term {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: help;
  text-decoration: underline dotted var(--violet);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}
.term:hover, .term[aria-expanded="true"] { color: var(--violet); }

.term-pop {
  position: absolute;
  z-index: 50;
  background: var(--surface);
  color: var(--ink);
  border: 1.5px solid var(--violet);
  border-radius: 8px;
  padding: 0.9rem 1rem 0.8rem;
  box-shadow: 0 12px 32px -12px rgba(29, 26, 43, 0.35);
}
.term-pop[hidden] { display: none; }
.term-pop-title { font-weight: 800; margin: 0 0 0.25rem; }
.term-pop-def { font-size: var(--step--1); margin: 0 0 0.5rem; }
.term-pop-link { font-size: var(--step--1); font-weight: 600; }

@keyframes flash {
  0% { background-color: var(--violet-soft); }
  100% { background-color: transparent; }
}
.is-flash { animation: flash 1.6s ease-out; }

/* ---------- Glossary ---------- */

.glossary {
  padding-block: clamp(3rem, 7vw, 5rem);
}
.glossary-head {
  display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem 2rem;
  margin-bottom: 0.75rem;
}
.search { display: grid; gap: 0.3rem; min-width: min(100%, 22rem); }
.search label { font-size: var(--step--1); font-weight: 600; }
.search input {
  font: inherit;
  padding: 0.6rem 0.8rem;
  border: 1.5px solid var(--rule);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
}
.search input:focus { border-color: var(--violet); outline: none; box-shadow: 0 0 0 3px var(--violet-soft); }
.glossary-status { color: var(--muted); font-size: var(--step--1); margin-bottom: 1.5rem; }

.glossary-list {
  margin: 0;
  columns: 2 24rem;
  column-gap: 3rem;
}
.g-item {
  break-inside: avoid;
  padding: 0.75rem 0.5rem;
  margin: 0 -0.5rem;
  border-top: 1px solid var(--rule);
  border-radius: 4px;
}
.g-item[hidden] { display: none; }
.g-item dt { font-weight: 700; margin-bottom: 0.15rem; }
.g-item dd { margin: 0; color: var(--muted); max-width: 34rem; }

/* ---------- About ---------- */

.about {
  padding-block: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid var(--rule);
}
.about h2 { margin-bottom: 1.75rem; }
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
}
.about h3 { font-size: var(--step-0); margin-bottom: 0.35rem; }
.about p { max-width: 34rem; }
.about p + h3, .attribution + h3 { margin-top: 1.5rem; }
.attribution {
  border-left: 3px solid var(--violet);
  padding: 0.25rem 0 0.25rem 1rem;
}
.attribution-text { font-size: var(--step--1); margin-bottom: 0.6rem; }
.references { margin: 0; padding-left: 1.3rem; font-size: var(--step--1); }
.references li { margin-bottom: 0.85rem; }
.references a { overflow-wrap: anywhere; }
@media (max-width: 52rem) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--rule);
  padding-block: 2rem 2.5rem;
  font-size: var(--step--1);
  color: var(--muted);
}
.footer-inner { display: grid; gap: 0.25rem; }
.footer p { margin: 0; max-width: 46rem; }

.noscript {
  max-width: var(--wrap); margin: 2rem auto; padding: 1rem var(--gutter);
  border: 1.5px solid var(--violet); border-radius: 8px;
}

/* ---------- Print: the guide as a paper checklist ---------- */

@media print {
  @page { margin: 14mm 14mm 16mm; }
  :root {
    --paper: #fff; --surface: #fff; --ink: #000; --muted: #444; --rule: #bbb;
    --violet: #3d2a70; --violet-soft: #fff; --covered: #000;
  }
  html { font-size: 11pt; }
  body { background: #fff; }
  .masthead, .skip-link, .intro-actions, .js-print, .rail, .guide-note,
  .search, .glossary-status, #copy-attribution, .footer, .term-pop, .mnemonic { display: none !important; }
  .intro { padding: 0 0 6mm; }
  .intro-text { max-width: none; }
  .lede { font-size: 16pt; }
  .intro-text::before { content: "INJECT-RESPECT"; display: block; font-size: 22pt; font-weight: 800; margin-bottom: 2mm; }
  .before { padding: 4mm 0; }
  .before-grid { grid-template-columns: 1.1fr 1fr; gap: 8mm; }
  .framing { border: 1px solid #999; padding: 4mm; }
  .guide { padding-top: 4mm; break-before: page; }
  .guide-body { display: block; padding: 0; }
  .domain { break-inside: avoid; padding-block: 3mm; }
  .domain-head { grid-template-columns: 12mm 1fr; margin-bottom: 1mm; }
  .domain-letter { font-size: 22pt; }
  .domain-title h3 { font-size: 13pt; }
  .domain-groups { padding-left: 16mm; gap: 2mm 8mm; }
  .question { padding: 1mm 0 1mm 4mm; }
  .question::before { top: 0.75em; width: 0; height: 0; border: 0.8mm solid #000; background: none !important; }
  .question + .question { border-top: 0; }
  .guide-head { border: 0; padding: 0; }
  .term { text-decoration: none; }
  .glossary { break-before: page; padding-block: 0; }
  .glossary-list { columns: 2; column-gap: 8mm; font-size: 9.5pt; }
  .g-item { padding: 1.5mm 0; margin: 0; }
  .g-item[hidden] { display: block; }
  .about { break-before: page; padding-block: 0; }
  .about-grid { grid-template-columns: 1fr 1fr; }
  a { color: #000; text-decoration: none; }
  .references a::after { content: ""; }
  h2 { font-size: 16pt; }
}