:root {
  color-scheme: light;
  --paper: #f7f1e6;
  --paper-deep: #ebe1d0;
  --white: #fffdf8;
  --ink: #17363a;
  --navy: #143348;
  --teal: #245f62;
  --sage: #dce8dc;
  --coral: #aa4632;
  --coral-pale: #f4d8d0;
  --saffron: #efb74e;
  --line: #d7c9b5;
  --muted: #5d706e;
  --shadow: 0 20px 55px rgba(21, 54, 58, 0.11);
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 6%, rgba(239, 183, 78, 0.16), transparent 24rem),
    linear-gradient(180deg, #fbf7ef 0%, var(--paper) 46%, #f2e9da 100%);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.22;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, transparent 0 6px, rgba(23, 54, 58, 0.025) 6px 7px);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--saffron);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--navy);
  color: white;
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
  border-bottom: 1px solid rgba(23, 54, 58, 0.16);
}

.brand {
  display: grid;
  text-decoration: none;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 700;
}

.brand__line {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.header-actions,
.lesson-actions,
.intro__actions,
.question-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1.2;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--navy {
  background: var(--navy);
  color: white;
}

.button--coral {
  background: var(--coral);
  color: white;
}

.button--saffron {
  background: var(--saffron);
  color: #263d3c;
}

.button--quiet {
  border-color: rgba(23, 54, 58, 0.22);
  background: rgba(255, 253, 248, 0.72);
  color: var(--ink);
}

.button--light {
  background: white;
  color: var(--navy);
}

.button--large {
  min-height: 52px;
  padding-inline: 24px;
  font-size: 1rem;
}

.text-link,
.text-button {
  border: 0;
  background: transparent;
  color: var(--teal);
  cursor: pointer;
  font-weight: 750;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

main {
  overflow: clip;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(310px, 0.75fr);
  gap: clamp(28px, 5vw, 74px);
  align-items: center;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(42px, 7vw, 82px) 0 clamp(38px, 6vw, 70px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.intro h1 {
  max-width: 820px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 6vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.intro h1 em {
  color: var(--coral);
  font-weight: 400;
}

.intro__lead {
  max-width: 710px;
  margin: 24px 0 22px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.45;
}

.intro__actions span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 650;
}

.route {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: var(--shadow);
  transform: rotate(0.5deg);
}

.route__art {
  position: relative;
  height: 150px;
  overflow: hidden;
}

.route__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20, 51, 72, 0.42), transparent 56%);
}

.route__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.route__badge {
  position: absolute;
  z-index: 1;
  top: 15px;
  left: 16px;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--saffron);
  color: var(--ink);
  font-size: 0.73rem;
  font-weight: 800;
  text-transform: uppercase;
}

.route ol {
  list-style: none;
  margin: 0;
  padding: 12px 20px 18px;
}

.route li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(23, 54, 58, 0.1);
  font-family: var(--serif);
  font-weight: 700;
}

.route li:last-child {
  border-bottom: 0;
}

.route li span {
  color: var(--coral);
  font: 750 0.68rem var(--sans);
  letter-spacing: 0.08em;
}

.lesson {
  width: min(1240px, calc(100% - 28px));
  margin: 0 auto 76px;
  border: 1px solid rgba(23, 54, 58, 0.25);
  border-radius: 30px;
  background: var(--white);
  box-shadow: 0 28px 80px rgba(21, 54, 58, 0.14);
}

.lesson-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 26px;
  padding: 28px 32px;
  border-bottom: 1px solid var(--line);
}

.lesson-header h2,
.offer h2,
.byo h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.35rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.lesson-goal {
  max-width: 730px;
  margin: 10px 0 0;
  color: var(--muted);
}

.lesson-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(310px, 0.72fr);
  align-items: stretch;
}

.reading-panel {
  min-width: 0;
  padding: 32px;
  border-right: 1px solid var(--line);
}

.reading-panel__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.step-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.step-label span {
  display: inline-grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 50%;
  background: var(--coral);
  color: white;
  letter-spacing: 0;
}

.reading-panel h3,
.rail-section h3,
.section-intro h3,
.transfer h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.7vw, 2.25rem);
  line-height: 1.08;
}

.reading-panel__top p:not(.step-label),
.rail-section > p,
.section-intro p:not(.step-label, .eyebrow) {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.switch {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 222px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  cursor: pointer;
}

.switch input {
  position: absolute;
  opacity: 0;
}

.switch__track {
  position: relative;
  flex: 0 0 auto;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: #8aa09c;
  transition: background 160ms ease;
}

.switch__track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: white;
  transition: transform 160ms ease;
}

.switch input:checked + .switch__track {
  background: var(--coral);
}

.switch input:checked + .switch__track::after {
  transform: translateX(18px);
}

.switch input:focus-visible + .switch__track {
  outline: 3px solid var(--saffron);
  outline-offset: 3px;
}

.switch strong,
.switch small {
  display: block;
}

.switch small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.7rem;
}

.cover-note {
  margin-bottom: 16px;
  padding: 10px 13px;
  border-left: 4px solid var(--saffron);
  background: #fff4d8;
  font-size: 0.84rem;
}

.passage {
  columns: 2 300px;
  column-gap: 42px;
  column-rule: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.06rem;
  line-height: 1.75;
}

.passage-paragraph {
  break-inside: avoid;
  margin: 0 0 1.3em;
}

.sentence {
  padding: 2px 1px;
  border-radius: 5px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  transition: background-color 180ms ease, box-shadow 180ms ease;
}

.sentence-number {
  display: inline-grid;
  width: 1.45rem;
  height: 1.45rem;
  place-items: center;
  margin-right: 4px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  font: 700 0.65rem var(--sans);
  vertical-align: 0.08rem;
}

.sentence.has-dialogue {
  background: rgba(220, 108, 88, 0.13);
  box-shadow: 0 0 0 3px rgba(220, 108, 88, 0.13);
}

.sentence.has-narrator {
  background: rgba(36, 95, 98, 0.12);
  box-shadow: 0 0 0 3px rgba(36, 95, 98, 0.12);
}

.sentence.is-question-evidence {
  box-shadow: inset 0 -3px 0 var(--saffron);
}

.speech-cover {
  display: inline;
  padding: 0.08em 0.3em;
  border-radius: 4px;
  background: repeating-linear-gradient(-45deg, #203d47 0 6px, #294a54 6px 12px);
  color: white;
  font: 750 0.72rem var(--sans);
  letter-spacing: 0.025em;
}

.evidence-chunk--speech {
  border-bottom: 3px solid var(--coral);
}

.evidence-chunk--narration {
  border-bottom: 3px solid var(--teal);
}

.teaching-rail {
  display: grid;
  align-content: start;
  background: var(--navy);
  color: white;
}

.rail-section {
  padding: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.rail-section:last-child {
  border-bottom: 0;
}

.rail-section .step-label,
.rail-section .text-button {
  color: #f5c66d;
}

.rail-section .step-label span {
  background: var(--saffron);
  color: var(--ink);
}

.rail-section > p {
  color: #cbd9d7;
}

.rail-section--question .button {
  width: 100%;
  margin-top: 14px;
  background: var(--saffron);
  color: var(--ink);
}

.rail-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.choice-list {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.choice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 9px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.07);
  cursor: pointer;
  font-size: 0.88rem;
}

.choice:hover {
  border-color: rgba(255, 255, 255, 0.48);
}

.choice input {
  margin: 4px 0 0;
  accent-color: var(--saffron);
}

.feedback {
  margin-top: 15px;
  padding: 14px;
  border-radius: 12px;
  background: rgba(220, 232, 220, 0.98);
  color: var(--ink);
}

.feedback.is-retry {
  background: #fff0d1;
}

.feedback strong,
.feedback p {
  display: block;
  margin: 0;
}

.feedback p + p,
.feedback strong + p {
  margin-top: 7px;
}

.feedback__evidence {
  font-size: 0.82rem;
}

.layer-controls {
  display: grid;
  gap: 9px;
  margin-top: 17px;
}

.layer-button {
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: white;
  cursor: pointer;
  text-align: left;
}

.layer-button[aria-pressed="true"] {
  border-color: var(--saffron);
  background: rgba(239, 183, 78, 0.16);
  box-shadow: inset 4px 0 0 var(--saffron);
}

.layer-button strong {
  font-family: var(--serif);
  font-size: 1.05rem;
}

.layer-button small {
  color: #cbd9d7;
  line-height: 1.35;
}

.annotations,
.claim-studio,
.support,
.transfer,
.teacher-notes {
  margin: 0 32px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.annotations {
  display: grid;
  grid-template-columns: minmax(220px, 0.5fr) minmax(0, 1.5fr);
  gap: 32px;
}

.annotation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.annotation {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.annotation__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--coral-pale);
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.annotation p {
  margin: 0;
  font-family: var(--serif);
}

.annotation small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
}

.section-intro--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.progress {
  flex: 0 0 auto;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--sage);
  color: var(--teal) !important;
  font-size: 0.72rem !important;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.question-form {
  margin-top: 24px;
}

.question-form legend {
  max-width: 760px;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.5vw, 1.8rem);
  font-weight: 700;
  line-height: 1.25;
}

.choice-list--wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 900px;
  margin-bottom: 18px;
}

.choice-list--wide .choice {
  border-color: var(--line);
  background: var(--paper);
  color: var(--ink);
}

.feedback--wide {
  max-width: 900px;
  border-left: 5px solid var(--teal);
}

.support,
.teacher-notes {
  padding-block: 0;
}

.support summary,
.teacher-notes summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  cursor: pointer;
  list-style: none;
}

.support summary::-webkit-details-marker,
.teacher-notes summary::-webkit-details-marker {
  display: none;
}

.support summary strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.summary-cue {
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 750;
}

details[open] .summary-cue {
  font-size: 0;
}

details[open] .summary-cue::after {
  content: "Close";
  font-size: 0.8rem;
}

.support__body {
  padding: 0 0 28px;
}

.support__choices {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 16px 0;
}

.support__choices label {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  cursor: pointer;
  font-weight: 650;
}

.support__choices input {
  margin-right: 7px;
  accent-color: var(--teal);
}

.support__preview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.support-item {
  padding: 15px;
  border-left: 4px solid var(--teal);
  background: var(--sage);
}

.support-item h4,
.support-item p,
.support-item dl {
  margin: 0;
}

.support-item dl div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 8px;
}

.support-item dt {
  font-weight: 800;
}

.support-item dd {
  margin: 0;
}

.transfer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px;
  padding: 36px;
  border: 0;
  border-radius: 20px;
  background: var(--navy);
  color: white;
}

.transfer__number {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  color: var(--saffron);
  font: 700 1.6rem var(--serif);
}

.transfer blockquote {
  margin: 20px 0 10px;
  padding: 15px 18px;
  border-left: 4px solid var(--saffron);
  background: rgba(255, 255, 255, 0.08);
  font: 1.2rem/1.5 var(--serif);
}

.transfer__prompt {
  font-weight: 700;
}

.transfer__answer {
  margin: 18px 0;
  padding: 15px;
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
}

.transfer__answer p {
  margin: 6px 0 0;
}

.teacher-notes ol {
  margin: 0;
  padding: 0 0 26px 1.4rem;
}

.teacher-notes li {
  margin-bottom: 10px;
  padding-left: 5px;
}

.lesson-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 30px;
  padding: 18px 32px;
  border-radius: 0 0 30px 30px;
  background: var(--paper-deep);
}

.lesson-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.offer,
.byo {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: clamp(30px, 7vw, 90px);
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto 70px;
}

.offer p,
.byo p {
  color: var(--muted);
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--sage);
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 750;
}

.offer__action {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.offer__action .button,
.offer__action .text-link {
  width: 100%;
  text-align: center;
}

.offer__action .text-link {
  display: block;
  margin-top: 16px;
  font-size: 0.85rem;
}

.byo {
  align-items: center;
  padding: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.byo h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px max(20px, calc((100vw - 1160px) / 2));
  background: var(--navy);
  color: white;
}

.site-footer div {
  display: grid;
}

.site-footer span,
.site-footer p {
  margin: 0;
  color: #bcd0ce;
  font-size: 0.78rem;
}

.projection-bar {
  position: fixed;
  z-index: 50;
  right: 20px;
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 12px 10px 18px;
  border-radius: 999px;
  background: var(--coral);
  color: white;
  box-shadow: 0 12px 35px rgba(20, 51, 72, 0.28);
  font-weight: 750;
}

.status {
  position: fixed;
  z-index: 80;
  left: 50%;
  bottom: 22px;
  max-width: min(540px, calc(100% - 32px));
  transform: translate(-50%, calc(100% + 50px));
  padding: 11px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-size: 0.83rem;
  opacity: 0;
  transition: transform 180ms ease, opacity 180ms ease;
}

.status.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

.noscript {
  margin: 0;
  padding: 18px;
  background: #fff0d1;
  text-align: center;
}

.print-root {
  display: none;
}

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

body.is-projecting {
  background: var(--paper);
}

body.is-projecting .site-header,
body.is-projecting .intro,
body.is-projecting .offer,
body.is-projecting .teaching-fit,
body.is-projecting .byo,
body.is-projecting .site-footer {
  display: none;
}

body.is-projecting .lesson {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

body.is-projecting .passage {
  font-size: 1.18rem;
}

@media (max-width: 900px) {
  .site-header,
  .lesson-header {
    align-items: flex-start;
  }

  .header-actions .text-link {
    display: none;
  }

  .intro {
    grid-template-columns: 1fr;
    padding-top: 44px;
  }

  .route {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    transform: none;
  }

  .route__art {
    height: 100%;
    min-height: 190px;
  }

  .lesson-header,
  .lesson-layout,
  .annotations,
  .offer,
  .byo {
    grid-template-columns: 1fr;
  }

  .lesson-header {
    display: grid;
  }

  .reading-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .teaching-rail {
    grid-template-columns: 1fr 1fr;
  }

  .rail-section {
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 0;
  }

  .annotations {
    gap: 18px;
  }

  .offer__action {
    max-width: 580px;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: calc(100% - 28px);
  }

  .brand__line,
  .header-actions .button {
    font-size: 0;
  }

  .header-actions .button::after {
    content: "Get the print unit";
    font-size: 0.78rem;
  }

  .intro {
    width: calc(100% - 32px);
    padding: 34px 0 36px;
  }

  .intro h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .route {
    display: block;
  }

  .route__art {
    min-height: 108px;
    height: 108px;
  }

  .route ol {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 12px;
    padding: 8px 14px 12px;
  }

  .route li {
    padding: 8px 0;
    font-size: 0.82rem;
  }

  .lesson {
    width: calc(100% - 16px);
    border-radius: 20px;
  }

  .lesson-header,
  .reading-panel,
  .rail-section {
    padding: 24px 20px;
  }

  .lesson-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .lesson-actions .button:first-child {
    grid-column: 1 / -1;
  }

  .reading-panel__top {
    display: grid;
    align-items: start;
  }

  .switch {
    width: 100%;
  }

  .passage {
    columns: 1;
    font-size: 1.02rem;
  }

  .teaching-rail {
    grid-template-columns: 1fr;
  }

  .rail-section {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .annotations,
  .claim-studio,
  .support,
  .transfer,
  .teacher-notes {
    margin-inline: 20px;
  }

  .annotation-list,
  .choice-list--wide,
  .support__preview {
    grid-template-columns: 1fr;
  }

  .section-intro--split {
    align-items: flex-start;
    flex-direction: column;
  }

  .transfer {
    grid-template-columns: 1fr;
    padding: 26px 22px;
  }

  .transfer__number {
    width: 42px;
    height: 42px;
    font-size: 1.15rem;
  }

  .lesson-footer,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer {
    padding: 26px 22px;
  }

  .lesson-footer {
    border-radius: 0 0 20px 20px;
  }

  .offer,
  .byo {
    width: calc(100% - 32px);
  }

  .projection-bar {
    right: 10px;
    bottom: 10px;
    left: 10px;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  @page {
    size: letter;
    margin: 0.55in;
  }

  body > *:not(.print-root) {
    display: none !important;
  }

  .print-root {
    display: block !important;
    color: #111;
    font: 10.5pt/1.4 Arial, sans-serif;
  }

  .print-root h1,
  .print-root h2,
  .print-root h3 {
    font-family: Georgia, serif;
  }

  .print-root h1 {
    margin: 0 0 4pt;
    font-size: 22pt;
  }

  .print-root h2 {
    margin: 16pt 0 7pt;
    font-size: 15pt;
  }

  .print-root h3 {
    margin: 11pt 0 4pt;
    font-size: 12pt;
  }

  .print-root p {
    margin: 3pt 0;
  }

  .print-name-line {
    margin: 12pt 0 !important;
  }

  .print-sentence strong {
    display: inline-block;
    width: 18pt;
  }

  .print-question,
  .print-passage,
  .print-answer {
    break-inside: avoid;
  }

  .print-choice {
    margin-left: 12pt !important;
  }

  .print-writing-lines {
    height: 54pt;
    margin-top: 7pt;
    background: repeating-linear-gradient(to bottom, transparent 0 17pt, #888 17pt 18pt);
  }

  .print-answer {
    margin-top: 6pt;
    padding: 7pt;
    border: 1pt solid #777;
  }

  .print-page-break {
    break-before: page;
  }

  .print-footer-note {
    margin-top: 18pt !important;
    color: #555;
    font-size: 8pt;
  }
}

/* Teaching fit: progressive detail for teachers, outside projection and print. */
.intro__fit-link { flex-basis: 100%; font-size: .9rem; }
.teaching-fit { width: min(1080px, calc(100% - 40px)); margin: 0 auto 76px; scroll-margin-top: 24px; }
.teaching-fit__heading { max-width: 760px; margin-bottom: 32px; }
.teaching-fit h2 { margin: 0 0 16px; font: 700 clamp(2rem, 4.4vw, 3rem)/1.12 var(--serif); letter-spacing: -.035em; }
.teaching-fit__heading > p:last-child, .curriculum-fit > p { color: var(--muted); }
.teaching-fit__route { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .85fr); gap: 40px; align-items: start; }
.teaching-path { list-style: none; margin: 0; padding: 0; }
.teaching-path li { display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 18px; border-top: 1px solid var(--line); padding: 24px 0; }
.teaching-path__number { color: var(--teal); font-size: .9rem; font-weight: 800; padding-top: 2px; }
.teaching-path__scope { color: var(--teal); font-size: .73rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.teaching-path h3 { margin: 6px 0 8px; font: 700 1.32rem/1.25 var(--serif); }
.teaching-path p { margin: 0 0 10px; color: var(--muted); }
.teaching-path .text-link, .teaching-fit__look-for .text-link { font-size: .9rem; }
.teaching-fit__look-for { padding: 28px; background: var(--sage); border-top: 4px solid var(--teal); }
.teaching-fit__look-for h3 { margin: 10px 0 18px; font: 700 1.6rem/1.22 var(--serif); }
.teaching-fit__look-for p { font-size: .94rem; }
.curriculum-fit { margin-top: 38px; }
.curriculum-fit > h3 { margin: 0; font: 700 1.6rem/1.25 var(--serif); }
.curriculum-fit > p { max-width: 820px; }
.curriculum-fit__system { border-top: 1px solid var(--line); }
.curriculum-fit__system:last-of-type { border-bottom: 1px solid var(--line); }
.curriculum-fit__system summary { cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 19px 4px; list-style: none; }
.curriculum-fit__system summary::-webkit-details-marker { display: none; }
.curriculum-fit__system summary small { display: block; color: var(--muted); margin-top: 2px; font-size: .85rem; }
.curriculum-fit__cue { font-size: 1.5rem; line-height: 1; width: 24px; flex-shrink: 0; text-align: center; }
.curriculum-fit__system[open] .curriculum-fit__cue { transform: rotate(45deg); }
.curriculum-fit__body { padding: 0 4px 20px; max-width: 930px; }
.curriculum-fit__body dl { margin: 0; }
.curriculum-fit__body dl > div { display: grid; grid-template-columns: 175px minmax(0, 1fr); gap: 22px; padding: 14px 0; }
.curriculum-fit__body dt { font-weight: 750; }
.curriculum-fit__body dd { margin: 0; }
.curriculum-fit__body a { text-underline-offset: 3px; overflow-wrap: anywhere; }
.curriculum-fit__source { margin: 16px 0 0; font-size: .85rem; }
.curriculum-fit__note { font-size: .81rem; margin-top: 18px; }
@media (max-width: 760px) {
  .teaching-fit__route { grid-template-columns: 1fr; gap: 20px; }
  .teaching-fit__look-for { padding: 24px; }
}
@media (max-width: 640px) {
  .teaching-fit { width: calc(100% - 32px); margin-bottom: 52px; }
  .teaching-path li { gap: 10px; grid-template-columns: 28px minmax(0, 1fr); }
  .curriculum-fit__body dl > div { grid-template-columns: 1fr; gap: 5px; }
}

/* Reading desk: the passage and its evidence share one readable surface. */
.reading-panel{background:#fffdf8;}
.passage{columns:1;max-width:66ch;margin-inline:auto;font-size:1.18rem;line-height:1.9;}
.evidence-desk{border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:0 12px 12px 0;padding:16px 18px;margin:0 0 26px;background:#edf3ed;}
.evidence-desk h4{font:700 1.2rem/1.3 var(--serif);margin:0;}
.evidence-desk .eyebrow{margin:0 0 3px;}
.evidence-desk > p{margin:8px 0 0;font-size:.95rem;}
.evidence-jumps{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.evidence-jumps:empty{display:none;}
.evidence-jump{min-height:44px;padding:8px 12px;border:1px solid #a4bcb4;border-radius:8px;color:var(--navy);background:var(--white);cursor:pointer;font-weight:650;}
.evidence-jump:hover{background:#dce8dc;}
.sentence:focus{outline:3px solid var(--teal);outline-offset:4px;background:#eef4ed;}
.explanation-frame{margin-top:28px;padding:20px 22px;border-top:2px solid var(--teal);background:#f2f5ed;}
.explanation-frame p{margin:8px 0 0;}
.explanation-frame__note{font-size:.9rem;color:var(--muted);}
.feedback .evidence-revisit{color:inherit;display:block;margin-top:12px;min-height:44px;text-align:left;}
.evidence-return{display:block;min-height:44px;margin-top:18px;}
.annotation small{font-size:.9rem;line-height:1.55;}
.sentence-number{color:#435c57;font-size:.7rem;}
@media(max-width:640px){.passage{font-size:1.12rem;line-height:1.85;}.evidence-desk{padding:14px;}.explanation-frame{padding:16px;} .evidence-jump{font-size:.88rem;}}
@media print{.evidence-desk,.explanation-frame,.evidence-return{display:none;}}

/* Revision: named lenses retain the exact speech/narration distinction. */
.evidence-jumps{display:grid;gap:16px;}
.evidence-lens-group{display:grid;gap:6px;}
.evidence-lens-label{font-size:1rem;color:var(--navy);}
.evidence-jump{display:grid;grid-template-columns:85px minmax(0,1fr);gap:10px;text-align:left;align-items:start;}
.evidence-jump__number{font-size:.8rem;font-weight:750;line-height:1.6;}
.evidence-jump__words{font-family:var(--serif);font-weight:400;line-height:1.5;}
.evidence-return{display:inline-block;margin:4px 8px;padding:5px 9px;border:1px solid var(--teal);border-radius:6px;background:#edf3ed;font:650 .85rem/1.4 var(--sans);vertical-align:middle;}
@media(max-width:640px){.evidence-jump{grid-template-columns:1fr;gap:2px;}}

.evidence-desk{margin:24px 0 0;}
.evidence-desk > summary{font:700 1.05rem/1.45 var(--sans);cursor:pointer;min-height:44px;display:list-item;padding:10px 0;}
#browse-evidence-button{margin-top:14px;width:100%;min-height:44px;}

/* The illustration supplies a scene; all evidence and controls stay in the DOM. */
.voice-map{margin-top:20px;border-block:1px solid #a4bcb4;padding-block:8px;}
.voice-map > summary{cursor:pointer;min-height:44px;padding-block:10px;font-weight:750;}
.voice-map__intro{max-width:65ch;font-size:.95rem;}
.voice-map__figure{margin:16px 0 8px;}
.voice-map__layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(150px,1fr);gap:18px;align-items:start;}
.voice-map__scene{overflow:hidden;border:1px solid #849d91;border-radius:12px;background:#fbf4e3;}
.voice-map__location{font-size:.78rem;font-weight:800;letter-spacing:.025em;margin:12px 14px;}
.voice-map__scene img{display:block;width:100%;height:auto;}
.voice-map__words{display:block;max-width:100%;min-height:44px;text-align:left;color:#183b3c;border:2px solid #23675f;border-radius:10px;background:#fffdf8;padding:12px;font-family:var(--sans);cursor:pointer;overflow-wrap:anywhere;}
.voice-map__words--speech{position:relative;margin:0 14px 12px;width:calc(100% - 28px);}
.voice-map__words--speech::after{content:"";position:absolute;left:24px;bottom:-9px;width:13px;height:13px;border-right:2px solid #23675f;border-bottom:2px solid #23675f;background:#fffdf8;transform:rotate(45deg);}
.voice-map__words--narration{width:100%;border-color:#a66d29;background:#fff4dc;}
.voice-map__words:hover{box-shadow:0 0 0 2px #183b3c;}
.voice-map__label,.voice-map__action{display:block;font-size:.76rem;font-weight:750;line-height:1.4;}
.voice-map__quote{display:block;font:400 1.05rem/1.5 var(--serif);margin:8px 0;}
.voice-map__narrator{min-width:0;border-left:2px solid #b78442;padding-left:16px;}
.voice-map__narrator .voice-map__location{margin-left:0;}
.voice-map__hint,.voice-map figcaption{font-size:.8rem;line-height:1.55;color:#435c57;}
.voice-map figcaption{margin-top:12px;}
@media(max-width:1100px){.voice-map__layout{grid-template-columns:1fr;}.voice-map__narrator{padding-left:14px;}}