:root {
  --seal: #d63c1b;
  --pine: #173d36;
  --paper: #f5f7f4;
  --ink: #202b27;
  --sage: #c8d7ca;
  --white: #ffffff;
  --text-muted: #5d6a63;
  --line: rgba(23, 61, 54, 0.14);
  --max: 1280px;
  --radius: 16px;
  --font:
    "PingFang SC", "Microsoft YaHei", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: wait;
}
button,
select {
  touch-action: manipulation;
}
img,
svg {
  display: block;
  max-width: 100%;
}
img {
  height: auto;
}
svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
button svg,
.button svg,
.text-link svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 650;
}
p {
  overflow-wrap: anywhere;
}
button {
  color: inherit;
}
button,
input,
select,
textarea {
  border-radius: 0;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid var(--seal);
  outline-offset: 5px;
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline-offset: 2px;
}
.section-dark a:focus-visible,
.section-dark button:focus-visible,
.section-dark [tabindex="0"]:focus-visible {
  outline-color: var(--white);
}
[hidden] {
  display: none !important;
}
.wrap {
  width: min(var(--max), calc(100% - 112px));
  margin-inline: auto;
}
.section-space {
  padding-block: 112px;
}
.section-label {
  font-size: 15px;
  font-weight: 550;
  margin-bottom: 20px;
  color: var(--text-muted);
}
h2 {
  font-size: clamp(34px, 3.45vw, 48px);
  line-height: 1.38;
  letter-spacing: -1.6px;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 52px;
}
.section-heading > p {
  max-width: 400px;
  color: var(--text-muted);
  line-height: 1.95;
  padding-bottom: 6px;
}
.section-dark {
  background: var(--pine);
  color: var(--white);
}
.section-dark .section-label {
  color: var(--sage);
}
.section-dark .section-heading > p {
  color: #d3dfd6;
}
.sample-label {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-size: 12px !important;
  font-weight: 500 !important;
  color: var(--pine);
  background: rgba(200, 215, 202, 0.55);
  border: 1px solid rgba(23, 61, 54, 0.09);
  border-radius: 4px;
  padding: 3px 8px;
  letter-spacing: 0 !important;
  line-height: 1.6;
}
.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 27px;
  padding: 14px 23px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  transition:
    background 0.18s,
    box-shadow 0.18s,
    transform 0.18s;
  text-align: center;
}
.button-primary {
  background: var(--seal);
  color: var(--white);
}
.button-primary:hover {
  background: #ba3215;
  box-shadow: 0 7px 18px rgba(140, 45, 25, 0.15);
  transform: translateY(-1px);
}
.button-primary:active {
  transform: translateY(0);
}
.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 550;
}
.text-link span {
  font-size: 23px;
}
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 6px;
}
.small-dot,
.status-dot {
  display: inline-block;
  background: var(--seal);
  border-radius: 50%;
  flex: 0 0 auto;
}
.small-dot {
  width: 7px;
  height: 7px;
}
.status-dot {
  width: 8px;
  height: 8px;
}
.skip-link {
  position: fixed;
  z-index: 100;
  left: 24px;
  top: -80px;
  background: var(--pine);
  color: white;
  padding: 12px 20px;
  border-radius: 5px;
}
.skip-link:focus {
  top: 12px;
}
/* A quiet masthead leaves the learning desk as the memorable image. */
.site-header {
  height: 90px;
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(245, 247, 244, 0.96);
  border-bottom: 1px solid rgba(23, 61, 54, 0.07);
  backdrop-filter: blur(16px);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  flex-shrink: 0;
}
.brand img {
  width: 45px;
  height: 45px;
  object-fit: contain;
  border-radius: 5px;
}
.brand-name {
  font-size: 22px;
  letter-spacing: 1.4px;
  font-weight: 700;
  line-height: 1.2;
}
.brand-name > span {
  display: block;
  font-weight: 450;
  font-size: 11px;
  letter-spacing: 0.7px;
  margin-top: 7px;
  color: var(--text-muted);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 550;
}
.site-nav > a {
  display: flex;
  min-height: 44px;
  align-items: center;
}
.site-nav > a:hover {
  color: var(--seal);
}
.site-nav .nav-cta {
  margin-left: 13px;
  gap: 18px;
  border: 1px solid rgba(23, 61, 54, 0.35);
  padding: 8px 15px;
  border-radius: 7px;
}
.nav-cta svg {
  width: 18px;
  height: 18px;
}
.menu-toggle {
  background: none;
  border: 0;
  padding: 10px 0 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  min-height: 44px;
}
.menu-toggle svg {
  width: 25px;
  height: 25px;
}
/* Hero: a large typographic gesture balanced with a tangible, layered record desk. */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.04fr;
  gap: 16px;
  align-items: center;
  min-height: 690px;
  padding-block: 38px 32px;
}
.hero-copy {
  position: relative;
  z-index: 2;
  padding-bottom: 8px;
}
.hero-overline {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--pine);
  margin-bottom: 25px;
}
.hero h1 {
  font-size: clamp(52px, 5.08vw, 73px);
  line-height: 1.26;
  letter-spacing: -3.4px;
  font-weight: 680;
  white-space: nowrap;
}
.hero-description {
  font-size: 23px;
  line-height: 1.65;
  letter-spacing: -0.3px;
  margin-top: 28px;
  font-weight: 500;
}
.hero-detail {
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-muted);
  margin-top: 17px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 29px;
  margin-top: 31px;
}
.hero-actions .text-link {
  font-size: 14px;
  gap: 8px;
}
.hero-proof {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 35px;
  color: var(--text-muted);
  font-size: 12px;
}
.hero-proof svg {
  width: 30px;
  height: 12px;
  stroke: var(--sage);
  stroke-width: 1.5;
}
.hero-stage {
  height: 620px;
  position: relative;
  min-width: 0;
  perspective: 1200px;
}
.stage-orbit {
  position: absolute;
  width: 600px;
  height: 580px;
  left: 0;
  top: 34px;
  background: url("/assets/record-trace.svg") center/contain no-repeat;
  opacity: 0.6;
  pointer-events: none;
}
.stage-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: absolute;
  top: 18px;
  left: 35px;
  right: 0;
  font-size: 12px;
  color: var(--text-muted);
}
.stage-caption .sample-label {
  font-size: 11px !important;
}
.sheet {
  position: absolute;
  background: var(--white);
  border: 1px solid rgba(23, 61, 54, 0.1);
  border-radius: 2px;
  transform-origin: center center;
}
.sheet-back {
  width: 320px;
  height: 425px;
  left: 38px;
  top: 99px;
  transform: rotate(-11deg);
  box-shadow: 0 22px 44px rgba(23, 61, 54, 0.08);
  padding: 29px 25px;
  color: var(--pine);
  opacity: 0.8;
}
.sheet-kicker {
  font-size: 15px;
  font-weight: 650;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.ghost-lines {
  margin-top: 23px;
}
.ghost-lines i {
  display: block;
  height: 6px;
  background: rgba(23, 61, 54, 0.08);
  margin-bottom: 15px;
}
.ghost-lines i:nth-child(even) {
  width: 68%;
}
.ghost-grid {
  margin-top: 29px;
  height: 116px;
  background:
    repeating-linear-gradient(
      to bottom,
      transparent,
      transparent 28px,
      rgba(23, 61, 54, 0.08) 28px,
      rgba(23, 61, 54, 0.08) 29px
    ),
    repeating-linear-gradient(
      to right,
      transparent,
      transparent 66px,
      rgba(23, 61, 54, 0.07) 66px,
      rgba(23, 61, 54, 0.07) 67px
    );
}
.sheet-main {
  width: 356px;
  left: 122px;
  top: 68px;
  transform: rotate(5.5deg);
  padding: 22px 24px 15px;
  box-shadow:
    0 28px 50px rgba(23, 61, 54, 0.16),
    0 2px 6px rgba(23, 61, 54, 0.04);
}
.sheet-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 13px;
  border-bottom: 2px solid var(--pine);
}
.sheet-top > div {
  display: flex;
  flex-direction: column;
}
.sheet-brand {
  font-weight: 750;
  font-size: 17px;
  letter-spacing: 2px;
  color: var(--pine);
}
.sheet-type {
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.8px;
  margin-top: 2px;
}
.sheet-mark {
  font-size: 11px;
  font-weight: 700;
  line-height: 1.15;
  display: block;
  color: var(--seal);
  border: 1px solid var(--seal);
  padding: 3px 4px;
  border-radius: 2px;
}
.student-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 15px;
  font-size: 16px;
  font-weight: 650;
}
.student-heading > span:last-child {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--paper);
  font-weight: 500;
}
.virtual {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 450;
}
.sheet-subtitle {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}
.worksheet-block {
  margin-top: 19px;
}
.worksheet-heading {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 11px;
}
.worksheet-num {
  font-size: 10px;
  color: var(--pine);
  font-weight: 700;
  border-bottom: 2px solid var(--sage);
}
.worksheet-heading h3 {
  font-size: 12px;
}
.worksheet-heading > span:last-child {
  margin-left: auto;
  font-size: 9px;
  color: var(--text-muted);
}
.word-row {
  display: grid;
  grid-template-columns: 74px 89px 1fr;
  gap: 5px;
  font-size: 8px;
  align-items: center;
  padding-block: 7px;
  border-bottom: 1px solid rgba(23, 61, 54, 0.08);
}
.word-row strong {
  font-size: 11px;
  letter-spacing: 0.1px;
}
.word-row > span {
  color: var(--text-muted);
}
.writing-lines {
  display: flex;
  gap: 15px;
  margin-top: 11px;
}
.writing-lines i {
  display: block;
  flex: 1;
  height: 11px;
  border-bottom: 1px solid rgba(23, 61, 54, 0.16);
}
.reading-block {
  margin-top: 20px;
}
.reading-block p {
  font-family: Arial, sans-serif;
  font-size: 11px;
  line-height: 1.75;
  color: var(--pine);
  padding: 8px 10px;
  background: var(--paper);
  border-left: 2px solid var(--sage);
}
.reading-lines {
  margin-top: 10px;
}
.reading-lines i {
  display: block;
  height: 4px;
  background: rgba(23, 61, 54, 0.07);
  margin-bottom: 7px;
}
.reading-lines i:last-child {
  width: 66%;
}
.recall-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 17px;
  padding: 9px 8px;
  background: var(--pine);
  color: white;
  font-size: 9px;
}
.recall-strip > span:first-child {
  font-weight: 650;
}
.recall-strip > span:nth-child(2) {
  font-size: 8px;
  color: #d3dfd6;
}
.recall-strip svg {
  width: 13px;
  height: 13px;
  margin-left: auto;
}
.sheet-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 8px;
  color: var(--text-muted);
  margin-top: 13px;
}
.record-ticket {
  position: absolute;
  z-index: 3;
  width: 280px;
  right: -7px;
  bottom: 77px;
  background: var(--white);
  border-radius: 11px;
  box-shadow:
    0 19px 45px rgba(23, 61, 54, 0.18),
    0 0 0 1px rgba(23, 61, 54, 0.06);
  transform: rotate(-3deg);
  padding: 18px 19px 14px;
}
.ticket-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.4;
}
.ticket-heading > span:nth-child(2) > span {
  display: block;
  font-size: 9px;
  font-weight: 450;
  color: var(--text-muted);
  margin-top: 3px;
}
.ticket-icon {
  width: 31px;
  height: 31px;
  border-radius: 50%;
  background: rgba(200, 215, 202, 0.6);
  color: var(--pine);
  display: grid;
  place-items: center;
}
.ticket-icon svg {
  width: 17px;
  height: 17px;
}
.ticket-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sage);
  margin-left: auto;
}
.ticket-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 19px;
  padding-bottom: 14px;
}
.ticket-stats > div + div {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}
.ticket-stats > div > span {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
}
.ticket-stats strong {
  display: block;
  font-family: Arial, sans-serif;
  font-size: 35px;
  line-height: 1.3;
  font-weight: 500;
  color: var(--pine);
  margin-top: 3px;
}
.ticket-stats strong span {
  font-size: 17px;
  color: var(--text-muted);
}
.ticket-foot {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--text-muted);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.stage-bottom-note {
  position: absolute;
  bottom: 21px;
  left: 67px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-muted);
}
.stage-bottom-note .small-dot {
  width: 5px;
  height: 5px;
  background: var(--pine);
}
.hero-bottom {
  min-height: 99px;
  display: flex;
  align-items: center;
  gap: 38px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--text-muted);
}
.hero-bottom > span {
  max-width: 185px;
  line-height: 1.7;
}
.hero-bottom > div {
  display: flex;
  gap: 30px;
  font-size: 13px;
  font-weight: 550;
  color: var(--pine);
}
.hero-bottom > a {
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}
.hero-bottom > a svg {
  width: 19px;
  height: 19px;
}
/* Three needs are positions on a continuous learning landscape, not ranked products. */
.approach {
  padding: 96px 0 65px;
  overflow: hidden;
}
.approach-heading {
  margin-bottom: 20px;
}
.approach-heading h2 {
  font-size: 43px;
}
.learning-landscape {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 285px;
  gap: 50px;
  padding-top: 65px;
}
.landscape-line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 32px;
  height: 210px;
  pointer-events: none;
  opacity: 0.75;
}
.landscape-line svg {
  width: 100%;
  height: 100%;
  stroke: #8eaa99;
  stroke-width: 1.5;
}
.landscape-line .landscape-dash {
  stroke-dasharray: 3 8;
  opacity: 0.32;
}
.landscape-point {
  position: relative;
  padding-left: 24px;
  z-index: 1;
}
.landscape-point p {
  font-size: 13px;
  color: var(--sage);
  margin-bottom: 13px;
}
.landscape-point h3 {
  font-size: 26px;
  line-height: 1.6;
  font-weight: 500;
  letter-spacing: -0.5px;
}
.landscape-point > span:last-child {
  display: block;
  font-size: 12px;
  margin-top: 19px;
  color: var(--sage);
}
.point-node {
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 0 0 5px rgba(200, 215, 202, 0.1);
}
.point-consolidation {
  margin-top: -25px;
}
.point-advance {
  margin-top: -48px;
}
.landscape-note {
  font-size: 11px;
  color: #c3d2c8;
  margin-top: 29px;
  opacity: 0.9;
}
/* A shared work surface keeps the three core values connected. */
.demo-shell {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(23, 61, 54, 0.09);
  box-shadow: 0 18px 60px rgba(23, 61, 54, 0.045);
}
.demo-sidebar {
  padding: 32px 24px;
  background: #eaf0e9;
  border-right: 1px solid rgba(23, 61, 54, 0.06);
}
.demo-identity {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 9px 29px;
}
.student-avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--sage);
  display: grid;
  place-items: center;
  font-size: 17px;
  color: var(--pine);
  font-weight: 600;
}
.demo-identity > div {
  flex: 1;
}
.demo-identity strong {
  display: block;
  font-size: 15px;
  line-height: 1.3;
}
.demo-identity strong span {
  font-size: 10px;
  font-weight: 400;
}
.demo-identity p {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}
.demo-identity > .sample-label {
  font-size: 10px !important;
  padding: 1px 6px;
}
.demo-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.demo-tabs button {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  text-align: left;
  padding: 14px 13px;
  border-radius: 10px;
  transition: none;
}
.demo-tabs button:hover {
  background: rgba(255, 255, 255, 0.5);
}
.demo-tabs button[aria-selected="true"] {
  background: var(--white);
  border-color: rgba(23, 61, 54, 0.1);
  box-shadow: 0 3px 10px rgba(23, 61, 54, 0.035);
}
.tab-figure {
  display: grid;
  place-items: center;
  width: 33px;
  height: 40px;
  flex-shrink: 0;
  color: var(--pine);
}
.tab-figure svg {
  width: 26px;
  height: 26px;
}
.demo-tabs button > span:nth-child(2) {
  font-size: 15px;
  font-weight: 600;
  flex: 1;
  white-space: nowrap;
}
.demo-tabs small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 4px;
}
.tab-chevron {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  opacity: 0.5;
}
.demo-sidebar-note {
  display: flex;
  gap: 9px;
  margin: 33px 12px 0;
  align-items: flex-start;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.9;
}
.demo-sidebar-note .small-dot {
  margin-top: 7px;
  width: 5px;
  height: 5px;
  background: var(--pine);
}
.demo-panels {
  min-width: 0;
}
.demo-panel {
  padding: 31px 48px 25px;
  min-height: 530px;
  outline-offset: -5px !important;
}
.demo-panel + .demo-panel {
  border-top: 1px solid var(--line);
}
.js-enhanced .demo-panel + .demo-panel {
  border-top: 0;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
}
.panel-label {
  font-size: 12px;
  color: var(--text-muted);
}
.panel-head .sample-label {
  background: var(--paper);
  font-size: 10px !important;
}
.demo-panel h3 {
  font-size: 30px;
  line-height: 1.55;
  font-weight: 600;
  letter-spacing: -0.7px;
}
.panel-description {
  font-size: 13px;
  line-height: 1.95;
  color: var(--text-muted);
  max-width: 500px;
  margin-top: 14px;
}
.record-timeline {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 30px;
  row-gap: 19px;
}
.record-timeline > div {
  position: relative;
  padding-left: 18px;
  border-left: 1px solid var(--sage);
}
.record-timeline > div > span:nth-child(2) {
  display: block;
  color: var(--text-muted);
  font-size: 10px;
}
.record-timeline strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-top: 3px;
}
.record-timeline > div > span:last-child {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}
.timeline-dot {
  position: absolute;
  width: 7px;
  height: 7px;
  left: -4px;
  top: 6px;
  background: var(--sage);
  border-radius: 50%;
}
.timeline-dot.active {
  background: var(--seal);
  box-shadow: 0 0 0 4px rgba(214, 60, 27, 0.09);
}
.timeline-dot.outlined {
  background: white;
  border: 1px solid var(--pine);
}
.panel-footnote {
  padding-top: 19px;
  margin-top: 25px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.9;
}
.evaluation-display {
  display: flex;
  gap: 42px;
  align-items: center;
  margin-top: 22px;
  max-width: 490px;
}
.score-display {
  width: 144px;
  position: relative;
  flex-shrink: 0;
}
.score-display svg {
  width: 144px;
  height: 144px;
  transform: rotate(-90deg);
  stroke-width: 7;
}
.score-track {
  stroke: #eaf0e9;
}
.score-ring {
  stroke: var(--pine);
}
.score-display > div {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.score-display strong {
  font-family: Arial, sans-serif;
  font-weight: 500;
  font-size: 39px;
  color: var(--pine);
  line-height: 1.25;
}
.score-display strong span {
  font-size: 20px;
  color: var(--text-muted);
}
.score-display > div > span {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}
.score-side {
  display: flex;
  gap: 35px;
}
.score-side > div > span {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.score-side strong {
  font-size: 29px;
  font-weight: 500;
  font-family: Arial, sans-serif;
  color: var(--pine);
}
.score-side small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}
.evaluation-note {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--pine);
  font-size: 11px;
  margin-top: 15px;
}
.evaluation-note svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.feedback-map {
  display: grid;
  grid-template-columns: 1fr 70px 1.4fr;
  align-items: center;
  margin-top: 26px;
  max-width: 490px;
}
.feedback-map > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feedback-map > div > span {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.feedback-map strong {
  font-size: 12px;
  font-weight: 500;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
}
.feedback-map > div:last-child strong {
  color: var(--pine);
  background: #eaf0e9;
}
.feedback-map svg {
  width: 65px;
  height: 120px;
  color: var(--sage);
  stroke-width: 2;
}
.workflow-section {
  padding-block: 70px 80px;
  border-block: 1px solid var(--line);
  background: #ebf0ea;
}
.workflow-section > .wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.5fr;
  gap: 90px;
  align-items: center;
}
.workflow-intro h2 {
  font-size: 34px;
  line-height: 1.5;
}
.workflow-intro > p:last-child {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.95;
}
.workflow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 36px;
}
.workflow li {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}
.workflow li > span {
  font-family: Arial, sans-serif;
  color: var(--pine);
  font-size: 13px;
  border: 1px solid rgba(23, 61, 54, 0.25);
  border-radius: 50%;
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.workflow h3 {
  font-size: 15px;
  font-weight: 600;
}
.workflow p {
  font-size: 11px;
  margin-top: 6px;
  color: var(--text-muted);
}
/* A large calculation surface treats business as an editable scenario, never a promise. */
.calculator {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 17px;
  overflow: hidden;
}
.calculator-controls {
  padding: 36px 40px 30px;
}
.calculator-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  font-size: 17px;
  font-weight: 600;
}
.scenario-tag {
  font-size: 10px;
  font-weight: 450;
  padding: 3px 8px;
  background: var(--paper);
  border-radius: 3px;
  color: var(--text-muted);
}
.fee-fieldset {
  border: 0;
  padding: 0;
  margin: 26px 0 0;
  min-width: 0;
}
.fee-fieldset legend {
  font-size: 12px;
  color: var(--text-muted);
  padding: 0;
  margin-bottom: 12px;
}
.fee-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.fee-options label {
  position: relative;
  cursor: pointer;
  min-width: 0;
}
.fee-options input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.fee-options label > span {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: Arial, sans-serif;
  font-size: 18px;
  line-height: 1.5;
  color: var(--pine);
  transition:
    background 0.18s,
    border-color 0.18s;
}
.fee-options small {
  font-family: var(--font);
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 5px;
}
.fee-options input:checked + span {
  background: #eaf0e9;
  border-color: var(--pine);
  box-shadow: inset 0 0 0 1px var(--pine);
}
.fee-options input:focus-visible + span {
  outline: 3px solid var(--seal);
  outline-offset: 4px;
}
.fee-options label:hover > span {
  background: var(--paper);
}
.students-control {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 27px;
  gap: 20px;
}
.students-control > label {
  font-size: 12px;
  color: var(--text-muted);
}
.number-stepper {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 5px;
  background: var(--paper);
}
.number-stepper button {
  border: 0;
  background: none;
  width: 36px;
  height: 44px;
  font-size: 24px;
  font-weight: 300;
  color: var(--pine);
  flex-shrink: 0;
}
.number-stepper button:hover {
  background: var(--sage);
}
.number-stepper input {
  width: 48px;
  min-height: 44px;
  background: transparent;
  border: 0;
  font-size: 20px;
  font-family: Arial, sans-serif;
  text-align: center;
  color: var(--pine);
  padding: 0;
  -moz-appearance: textfield;
}
.number-stepper input::-webkit-inner-spin-button,
.number-stepper input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.number-stepper > span {
  font-size: 11px;
  color: var(--text-muted);
  padding-right: 6px;
}
.student-slider {
  width: 100%;
  margin: 22px 0 0;
  accent-color: var(--pine);
  height: 24px;
  cursor: pointer;
}
.input-hint {
  font-size: 10px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-top: 13px;
}
.calculator-result {
  background: var(--pine);
  color: white;
  padding: 33px 44px 31px;
}
.result-top {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--sage);
  font-size: 11px;
}
.result-top .small-dot {
  background: var(--sage);
  width: 5px;
  height: 5px;
}
.calculator-result > p:nth-child(2) {
  font-size: 13px;
  margin-top: 27px;
  color: #d3dfd6;
}
.revenue {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 4px;
  line-height: 1.15;
  font-family: Arial, sans-serif;
  white-space: nowrap;
}
.revenue > span:first-child {
  font-size: 27px;
}
.revenue output {
  font-size: clamp(42px, 4.6vw, 67px);
  letter-spacing: -2px;
  font-weight: 450;
  font-variant-numeric: tabular-nums;
}
.revenue > span:last-child {
  font-family: var(--font);
  font-size: 11px;
  color: var(--sage);
  padding-left: 2px;
}
.revenue-formula {
  font-size: 11px;
  color: var(--sage);
  margin-top: 17px;
}
.result-rule {
  height: 1px;
  background: rgba(200, 215, 202, 0.24);
  margin-top: 24px;
  margin-bottom: 15px;
}
.calculator-result > strong {
  font-size: 12px;
  font-weight: 550;
}
.result-disclaimer {
  font-size: 10px;
  color: #d3dfd6;
  margin-top: 6px;
  line-height: 1.9;
  max-width: 370px;
}
.cost-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 26px;
  font-size: 11px;
  color: var(--text-muted);
}
.cost-line > strong {
  font-weight: 500;
  flex-shrink: 0;
}
.cost-line > div {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.cost-line > div > span {
  position: relative;
}
.cost-line > div > span + span:before {
  content: "";
  position: absolute;
  left: -12px;
  top: 8px;
  width: 1px;
  height: 9px;
  background: var(--line);
}
.fit-section {
  padding: 85px 0 0;
}
.fit-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 36px;
}
.fit-heading h2 {
  font-size: 36px;
  line-height: 1.5;
}
.start-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.05);
  padding: 5px;
  border: 1px solid rgba(200, 215, 202, 0.23);
  border-radius: 7px;
  gap: 3px;
  margin-bottom: 6px;
  flex-shrink: 0;
}
.start-tabs button {
  background: transparent;
  border: 0;
  border-radius: 4px;
  min-height: 44px;
  padding: 9px 15px;
  font-size: 12px;
  color: #d3dfd6;
}
.start-tabs button[aria-selected="true"] {
  background: var(--sage);
  color: var(--pine);
  font-weight: 600;
}
.start-tabs button:hover {
  background: rgba(200, 215, 202, 0.2);
}
.start-tabs button[aria-selected="true"]:hover {
  background: var(--sage);
}
.fit-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  padding-block: 55px 58px;
}
.fit-content + .fit-content {
  border-top: 1px solid rgba(200, 215, 202, 0.2);
}
.js-enhanced .fit-content + .fit-content {
  border: 0;
}
.fit-statement {
  font-size: 31px;
  line-height: 1.7;
  font-weight: 450;
  color: var(--sage);
  letter-spacing: -0.4px;
}
.fit-details {
  max-width: 470px;
}
.fit-details h3 {
  font-size: 16px;
  margin-bottom: 12px;
  font-weight: 550;
}
.fit-details > p {
  font-size: 12px;
  line-height: 1.9;
  color: #d3dfd6;
}
.fit-details ul {
  list-style: none;
  padding: 0;
  margin: 19px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 11px;
  color: #d3dfd6;
}
.fit-details li {
  position: relative;
  padding-left: 17px;
}
.fit-details li:before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sage);
}
.audience-strip {
  border-top: 1px solid rgba(200, 215, 202, 0.23);
  padding-block: 28px;
  display: flex;
  align-items: center;
  gap: 60px;
}
.audience-strip > span {
  font-size: 11px;
  color: var(--sage);
}
.audience-strip > div {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  flex: 1;
}
.audience-strip strong {
  font-size: 13px;
  font-weight: 500;
}
.support-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 100px;
}
.support-route {
  position: relative;
}
.support-route:before {
  content: "";
  position: absolute;
  left: 20px;
  top: 35px;
  bottom: 55px;
  width: 1px;
  background: var(--line);
}
.support-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 27px;
  padding-bottom: 34px;
}
.support-step:last-child {
  padding-bottom: 0;
}
.support-step > span {
  display: grid;
  place-items: center;
  width: 41px;
  height: 41px;
  border: 1px solid rgba(23, 61, 54, 0.2);
  border-radius: 50%;
  background: var(--paper);
  font-size: 13px;
  font-family: Arial, sans-serif;
  flex-shrink: 0;
  color: var(--pine);
}
.support-step h3 {
  font-size: 18px;
  margin-top: 3px;
  margin-bottom: 8px;
  font-weight: 600;
}
.support-step p {
  font-size: 12px;
  line-height: 1.95;
  color: var(--text-muted);
  max-width: 390px;
}
.support-note {
  background: #e8eee7;
  padding: 33px 36px 28px;
  border-radius: 12px;
  position: relative;
  min-height: 308px;
  overflow: hidden;
}
.support-art {
  position: absolute;
  right: 16px;
  top: 12px;
  width: 128px;
  height: 96px;
  stroke: var(--pine);
  stroke-width: 1.2;
  opacity: 0.16;
}
.support-note h3 {
  font-size: 25px;
  line-height: 1.6;
  letter-spacing: -0.5px;
  position: relative;
  margin-top: 24px;
}
.support-note > p {
  font-size: 12px;
  line-height: 1.95;
  color: var(--text-muted);
  max-width: 340px;
  margin-top: 15px;
}
.support-note .text-link {
  font-size: 12px;
  margin-top: 15px;
  color: var(--pine);
}
.faq-section {
  padding-block: 72px 80px;
  background: #ebf0ea;
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.5fr;
  gap: 90px;
}
.faq-layout h2 {
  font-size: 32px;
}
.faq-list details {
  border-bottom: 1px solid rgba(23, 61, 54, 0.17);
}
.faq-list details:first-child {
  border-top: 1px solid rgba(23, 61, 54, 0.17);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 71px;
  padding: 17px 0;
  font-size: 14px;
  font-weight: 550;
  line-height: 1.6;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--pine);
  transition: transform 0.2s;
}
.faq-list details[open] summary svg {
  transform: rotate(45deg);
}
.faq-list details > p {
  font-size: 12px;
  line-height: 2;
  color: var(--text-muted);
  padding: 0 35px 22px 0;
  max-width: 640px;
}
.site-footer {
  background: var(--pine);
  color: var(--white);
  padding-top: 46px;
}
.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  padding-bottom: 35px;
}
.footer-brand .brand-name {
  font-size: 20px;
}
.footer-brand .brand-name > span {
  color: var(--sage);
  font-size: 10px;
}
.footer-brand img {
  width: 44px;
  height: 44px;
}
.footer-main > p {
  font-size: 10px;
  line-height: 2;
  color: #c3d2c8;
}
.back-top {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 11px;
  min-height: 44px;
  flex-shrink: 0;
}
.back-top svg {
  width: 18px;
  height: 18px;
}
.footer-bottom {
  border-top: 1px solid rgba(200, 215, 202, 0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 65px;
  color: #c3d2c8;
  font-size: 9px;
  line-height: 1.8;
}
.footer-bottom > a {
  padding-block: 14px;
}
.site-footer a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
@media (min-width: 1600px) {
  :root {
    --max: 1380px;
  }
  .hero-grid {
    min-height: 735px;
  }
  .hero h1 {
    font-size: 78px;
  }
  .hero-description {
    font-size: 25px;
  }
  .hero-stage {
    transform: scale(1.06);
    transform-origin: 60% 50%;
  }
  .stage-caption {
    right: 25px;
  }
  .record-ticket {
    right: 25px;
  }
  .sheet-main {
    left: 155px;
  }
  .sheet-back {
    left: 68px;
  }
}
@media (max-width: 1190px) {
  .wrap {
    width: calc(100% - 72px);
  }
  .site-nav {
    gap: 22px;
  }
  .site-nav .nav-cta {
    margin-left: 0;
  }
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    min-height: 640px;
    gap: 4px;
  }
  .hero h1 {
    font-size: 60px;
    letter-spacing: -3px;
  }
  .hero-description {
    font-size: 21px;
  }
  .hero-detail {
    font-size: 13px;
  }
  .hero-actions {
    gap: 20px;
  }
  .hero-actions .button {
    font-size: 14px;
    padding: 13px 17px;
    gap: 15px;
  }
  .hero-actions .text-link {
    font-size: 12px;
  }
  .hero-stage {
    height: 570px;
    transform: scale(0.9);
    transform-origin: left center;
    width: 110%;
  }
  .stage-caption {
    left: 25px;
  }
  .sheet-main {
    left: 92px;
  }
  .sheet-back {
    left: 17px;
  }
  .record-ticket {
    right: -8px;
    bottom: 45px;
  }
  .stage-bottom-note {
    left: 29px;
    bottom: 0;
  }
  .hero-bottom {
    gap: 24px;
  }
  .hero-bottom > div {
    gap: 23px;
    font-size: 12px;
  }
  .demo-shell {
    grid-template-columns: 300px minmax(0, 1fr);
  }
  .demo-sidebar {
    padding: 28px 18px;
  }
  .demo-tabs button {
    gap: 8px;
    padding-inline: 9px;
  }
  .demo-tabs button > span:nth-child(2) {
    font-size: 14px;
  }
  .demo-panel {
    padding-inline: 33px;
  }
  .workflow-section > .wrap,
  .faq-layout {
    gap: 50px;
  }
  .support-layout {
    gap: 65px;
  }
  .fit-heading h2 {
    font-size: 31px;
  }
  .fit-content {
    gap: 65px;
  }
  .calculator-controls {
    padding-inline: 28px;
  }
  .calculator-result {
    padding-inline: 32px;
  }
  .fee-options label > span {
    font-size: 16px;
  }
  .cost-line {
    gap: 20px;
  }
  .cost-line > div {
    gap: 20px;
  }
  .cost-line > div > span + span:before {
    left: -10px;
  }
  .score-side {
    gap: 25px;
  }
  .evaluation-display {
    gap: 24px;
  }
  .footer-main > p {
    max-width: 350px;
  }
}
@media (max-width: 980px) {
  .wrap {
    width: calc(100% - 56px);
  }
  .site-header {
    height: 80px;
  }
  .brand-name {
    font-size: 20px;
  }
  .brand img {
    width: 41px;
    height: 41px;
  }
  .site-nav {
    gap: 20px;
    font-size: 12px;
  }
  .site-nav .nav-cta {
    padding-inline: 10px;
    gap: 10px;
  }
  .hero-grid {
    min-height: 590px;
  }
  .hero h1 {
    font-size: 51px;
    letter-spacing: -2.6px;
  }
  .hero-description {
    font-size: 19px;
    margin-top: 24px;
  }
  .hero-detail {
    font-size: 12px;
  }
  .hero-actions {
    gap: 15px;
    margin-top: 24px;
  }
  .hero-actions .button {
    padding-inline: 14px;
    font-size: 13px;
    min-height: 50px;
    gap: 10px;
  }
  .hero-actions .text-link {
    font-size: 11px;
    gap: 4px;
  }
  .hero-proof {
    font-size: 11px;
    gap: 10px;
    margin-top: 25px;
  }
  .hero-stage {
    height: 550px;
    transform: scale(0.76);
    width: 130%;
    margin-right: -30%;
  }
  .record-ticket {
    right: 4px;
    bottom: 16px;
  }
  .stage-bottom-note {
    bottom: -34px;
  }
  .hero-bottom > span {
    max-width: 165px;
    font-size: 10px;
  }
  .hero-bottom > div {
    font-size: 10px;
    gap: 17px;
  }
  .hero-bottom {
    min-height: 85px;
    gap: 20px;
  }
  .section-space {
    padding-block: 88px;
  }
  .section-heading {
    gap: 35px;
  }
  .section-heading > p {
    font-size: 13px;
    max-width: 320px;
  }
  .section-heading h2 {
    font-size: 35px;
  }
  .approach {
    padding-top: 80px;
  }
  .approach-heading h2 {
    font-size: 35px;
  }
  .learning-landscape {
    gap: 30px;
  }
  .landscape-point h3 {
    font-size: 23px;
  }
  .landscape-point > span:last-child {
    font-size: 10px;
  }
  .demo-shell {
    grid-template-columns: 260px 1fr;
  }
  .demo-sidebar {
    padding: 24px 12px;
  }
  .demo-identity {
    padding-inline: 6px;
    gap: 9px;
  }
  .demo-tabs button > span:nth-child(2) {
    font-size: 12px;
  }
  .demo-tabs small {
    font-size: 10px;
  }
  .tab-figure {
    width: 26px;
  }
  .tab-figure svg {
    width: 23px;
  }
  .tab-chevron {
    width: 13px;
  }
  .demo-panel {
    padding: 27px 28px 22px;
    min-height: 525px;
  }
  .demo-panel h3 {
    font-size: 25px;
  }
  .panel-description {
    font-size: 12px;
  }
  .record-timeline {
    gap: 18px;
  }
  .record-timeline strong {
    font-size: 11px;
  }
  .record-timeline > div > span:last-child {
    font-size: 9px;
  }
  .panel-head .sample-label {
    font-size: 9px !important;
  }
  .panel-label {
    font-size: 10px;
  }
  .workflow-section > .wrap {
    gap: 35px;
    grid-template-columns: 0.85fr 1.35fr;
  }
  .workflow-intro h2 {
    font-size: 28px;
  }
  .workflow-intro > p:last-child {
    font-size: 11px;
  }
  .workflow {
    gap: 27px 22px;
  }
  .workflow li {
    gap: 10px;
  }
  .workflow h3 {
    font-size: 13px;
  }
  .workflow p {
    font-size: 10px;
  }
  .workflow li > span {
    font-size: 11px;
    width: 25px;
    height: 25px;
  }
  .calculator-controls {
    padding: 28px 22px;
  }
  .calculator-result {
    padding: 28px;
  }
  .calculator-heading {
    font-size: 15px;
  }
  .fee-options {
    gap: 5px;
  }
  .fee-options label > span {
    font-size: 15px;
  }
  .fee-options small {
    font-size: 9px;
  }
  .cost-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 13px;
  }
  .fit-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 26px;
  }
  .fit-heading h2 {
    font-size: 34px;
  }
  .fit-content {
    gap: 45px;
  }
  .fit-statement {
    font-size: 28px;
  }
  .audience-strip {
    gap: 30px;
  }
  .audience-strip strong {
    font-size: 11px;
  }
  .support-layout {
    gap: 40px;
  }
  .support-note {
    padding-inline: 28px;
  }
  .support-note h3 {
    font-size: 24px;
  }
  .faq-layout {
    gap: 30px;
    grid-template-columns: 0.8fr 1.4fr;
  }
  .faq-layout h2 {
    font-size: 29px;
  }
  .evaluation-display {
    gap: 20px;
  }
  .score-display,
  .score-display svg {
    width: 120px;
    height: 120px;
  }
  .score-side {
    gap: 20px;
  }
  .score-side strong {
    font-size: 25px;
  }
  .score-side small {
    font-size: 12px;
  }
  .feedback-map {
    grid-template-columns: 1fr 40px 1.3fr;
  }
  .feedback-map svg {
    width: 40px;
  }
  .feedback-map strong {
    font-size: 10px;
    padding-inline: 8px;
  }
  .footer-main > p {
    max-width: 290px;
    font-size: 9px;
  }
  .footer-bottom {
    font-size: 8px;
    gap: 15px;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 86px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    height: 75px;
  }
  .brand img {
    width: 39px;
    height: 39px;
  }
  .brand {
    gap: 11px;
  }
  .brand-name {
    font-size: 20px;
  }
  .brand-name > span {
    font-size: 9px;
    margin-top: 6px;
  }
  .js-enhanced .menu-toggle {
    display: flex;
  }
  .site-nav {
    display: flex;
    position: static;
    gap: 14px;
    flex-wrap: wrap;
  }
  .site-header:has(.menu-toggle:not([hidden])) .site-nav {
    position: absolute;
    top: 75px;
    left: 0;
    right: 0;
    background: var(--paper);
    padding: 16px 24px 23px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px rgba(23, 61, 54, 0.08);
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
  }
  .js-enhanced .site-nav:not(.is-open) {
    display: none;
  }
  .site-nav > a {
    font-size: 15px;
    padding: 8px 2px;
    min-height: 48px;
  }
  .site-nav .nav-cta {
    margin-top: 5px;
    justify-content: space-between;
    padding-inline: 12px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 43px;
    padding-bottom: 0;
    min-height: 0;
  }
  .hero-copy {
    padding: 0 3px;
  }
  .hero-overline {
    font-size: 12px;
    margin-bottom: 20px;
    gap: 9px;
  }
  .hero h1 {
    font-size: clamp(43px, 8.1vw, 61px);
    line-height: 1.26;
    letter-spacing: -2px;
  }
  .hero-description {
    font-size: 21px;
    line-height: 1.7;
    margin-top: 25px;
  }
  .desktop-break {
    display: none;
  }
  .hero-description br {
    display: none;
  }
  .hero-detail {
    font-size: 13px;
    max-width: 450px;
    margin-top: 14px;
    line-height: 1.95;
  }
  .hero-actions {
    gap: 25px;
    margin-top: 25px;
  }
  .hero-actions .button {
    font-size: 14px;
    min-height: 52px;
    padding-inline: 18px;
    gap: 22px;
  }
  .hero-actions .text-link {
    font-size: 12px;
    gap: 8px;
  }
  .hero-proof {
    font-size: 10px;
    margin-top: 25px;
    gap: 13px;
  }
  .hero-proof svg {
    width: 28px;
  }
  .hero-stage {
    height: 545px;
    transform: none;
    width: 100%;
    max-width: 520px;
    margin: 20px auto 0;
  }
  .stage-caption {
    left: 8px;
    right: 8px;
    top: 16px;
    font-size: 10px;
  }
  .sheet-main {
    width: 330px;
    left: calc(50% - 119px);
    top: 66px;
    padding: 20px 22px 14px;
    transform: rotate(5deg);
  }
  .sheet-back {
    width: 300px;
    height: 402px;
    left: calc(50% - 190px);
    top: 89px;
    transform: rotate(-10deg);
  }
  .stage-orbit {
    width: 110%;
    height: 490px;
    left: -4%;
    top: 30px;
  }
  .record-ticket {
    width: 259px;
    right: 0;
    bottom: 25px;
    padding: 16px 18px 13px;
  }
  .ticket-stats {
    margin-top: 15px;
    padding-bottom: 11px;
  }
  .ticket-stats strong {
    font-size: 31px;
  }
  .ticket-stats strong span {
    font-size: 15px;
  }
  .stage-bottom-note {
    bottom: -7px;
    left: 9px;
    font-size: 9px;
    gap: 7px;
  }
  .hero-bottom {
    display: grid;
    grid-template-columns: 1fr 44px;
    gap: 14px 8px;
    margin-top: 29px;
    padding-block: 23px;
    min-height: 0;
  }
  .hero-bottom > span {
    max-width: none;
    font-size: 10px;
    grid-column: 1;
  }
  .hero-bottom > div {
    grid-column: 1;
    grid-row: 2;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 10px;
  }
  .hero-bottom > a {
    grid-column: 2;
    grid-row: 1/3;
  }
  .section-space {
    padding-block: 72px;
  }
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 23px;
    margin-bottom: 33px;
  }
  .section-heading h2 {
    font-size: 34px;
    letter-spacing: -1.2px;
  }
  .section-label {
    font-size: 12px;
    margin-bottom: 16px;
  }
  .section-heading > p {
    font-size: 13px;
    max-width: 100%;
    padding-bottom: 0;
    line-height: 1.95;
  }
  .approach {
    padding: 66px 0 42px;
  }
  .approach-heading h2 {
    font-size: 33px;
  }
  .approach-heading > p {
    font-size: 12px;
  }
  .learning-landscape {
    grid-template-columns: 1fr;
    gap: 29px;
    padding-top: 18px;
    min-height: 0;
    padding-left: 17px;
  }
  .landscape-line {
    left: 20px;
    top: 30px;
    width: 1px;
    height: calc(100% - 80px);
    background: rgba(200, 215, 202, 0.35);
  }
  .landscape-line svg {
    display: none;
  }
  .landscape-point {
    margin-top: 0;
    padding-left: 29px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0 16px;
    align-items: start;
  }
  .point-node {
    left: 0;
    top: 7px;
    width: 7px;
    height: 7px;
  }
  .landscape-point p {
    font-size: 11px;
    grid-column: 1/-1;
    margin-bottom: 9px;
  }
  .landscape-point h3 {
    font-size: 22px;
    line-height: 1.55;
  }
  .landscape-point > span:last-child {
    font-size: 10px;
    line-height: 1.9;
    margin-top: 1px;
    text-align: right;
    max-width: 92px;
    padding-top: 7px;
  }
  .landscape-note {
    font-size: 9px;
    margin-top: 28px;
    line-height: 1.9;
  }
  .demo-shell {
    grid-template-columns: 1fr;
    border-radius: 13px;
  }
  .demo-sidebar {
    padding: 21px 17px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
  }
  .demo-identity {
    padding: 0 3px 19px;
    gap: 10px;
  }
  .demo-identity strong {
    font-size: 13px;
  }
  .demo-identity p {
    font-size: 10px;
  }
  .student-avatar {
    width: 38px;
    height: 38px;
    font-size: 14px;
  }
  .demo-tabs {
    flex-direction: row;
    gap: 0;
    margin-inline: -17px;
  }
  .demo-tabs button {
    border-radius: 0;
    min-height: 77px;
    justify-content: center;
    gap: 0;
    width: 33.33%;
    padding: 11px 5px 12px;
    flex-direction: column;
    border: 0;
    border-bottom: 3px solid transparent;
  }
  .demo-tabs button[aria-selected="true"] {
    background: var(--white);
    border: 0;
    border-bottom: 3px solid var(--seal);
    box-shadow: none;
  }
  .tab-figure {
    width: 24px;
    height: 25px;
    margin-bottom: 5px;
  }
  .tab-figure svg {
    width: 22px;
    height: 22px;
  }
  .demo-tabs button > span:nth-child(2) {
    font-size: 11px;
    font-weight: 550;
    white-space: normal;
    text-align: center;
  }
  .demo-tabs small,
  .tab-chevron,
  .demo-sidebar-note {
    display: none;
  }
  .demo-panel {
    padding: 22px 23px 21px;
    min-height: 470px;
  }
  .panel-head {
    margin-bottom: 21px;
  }
  .panel-label {
    font-size: 10px;
  }
  .panel-head .sample-label {
    font-size: 9px !important;
  }
  .demo-panel h3 {
    font-size: 27px;
    line-height: 1.5;
  }
  .panel-description {
    font-size: 12px;
    line-height: 1.9;
    max-width: 450px;
    margin-top: 14px;
  }
  .record-timeline {
    gap: 20px 18px;
    margin-top: 25px;
  }
  .record-timeline > div {
    padding-left: 13px;
  }
  .record-timeline strong {
    font-size: 11px;
  }
  .record-timeline > div > span:nth-child(2) {
    font-size: 9px;
  }
  .record-timeline > div > span:last-child {
    font-size: 9px;
  }
  .panel-footnote {
    font-size: 9px;
    margin-top: 23px;
    padding-top: 16px;
  }
  .evaluation-display {
    gap: 30px;
    margin-top: 24px;
  }
  .score-display,
  .score-display svg {
    width: 125px;
    height: 125px;
  }
  .score-display strong {
    font-size: 35px;
  }
  .score-display strong span {
    font-size: 17px;
  }
  .score-side {
    gap: 25px;
  }
  .score-side > div > span {
    font-size: 10px;
  }
  .score-side strong {
    font-size: 25px;
  }
  .score-side small {
    font-size: 11px;
  }
  .evaluation-note {
    font-size: 10px;
    margin-top: 22px;
    align-items: flex-start;
  }
  .evaluation-note svg {
    margin-top: 2px;
  }
  .feedback-map {
    grid-template-columns: 1fr 55px 1.3fr;
    margin-top: 26px;
  }
  .feedback-map svg {
    width: 50px;
  }
  .feedback-map strong {
    font-size: 11px;
    padding: 8px 10px;
  }
  .workflow-section {
    padding-block: 56px;
  }
  .workflow-section > .wrap {
    grid-template-columns: 1fr;
    gap: 33px;
  }
  .workflow-intro h2 {
    font-size: 31px;
  }
  .workflow-intro > p:last-child {
    font-size: 12px;
    margin-top: 17px;
  }
  .workflow {
    gap: 25px 20px;
  }
  .workflow h3 {
    font-size: 13px;
  }
  .workflow p {
    font-size: 10px;
    line-height: 1.8;
  }
  .workflow li {
    gap: 10px;
  }
  .workflow li > span {
    width: 25px;
    height: 25px;
    font-size: 10px;
    margin-top: 1px;
  }
  .calculator {
    grid-template-columns: 1fr;
    border-radius: 12px;
  }
  .calculator-controls {
    padding: 25px 23px 22px;
  }
  .calculator-heading {
    font-size: 16px;
  }
  .scenario-tag {
    font-size: 9px;
  }
  .fee-fieldset {
    margin-top: 24px;
  }
  .fee-options {
    gap: 7px;
  }
  .fee-options label > span {
    font-size: 17px;
    min-height: 74px;
  }
  .fee-options small {
    font-size: 9px;
  }
  .students-control {
    margin-top: 24px;
  }
  .student-slider {
    margin-top: 17px;
  }
  .input-hint {
    font-size: 10px;
    margin-top: 10px;
  }
  .calculator-result {
    padding: 27px 27px 29px;
  }
  .calculator-result > p:nth-child(2) {
    margin-top: 22px;
    font-size: 12px;
  }
  .revenue output {
    font-size: 61px;
    letter-spacing: -1.5px;
  }
  .revenue > span:first-child {
    font-size: 26px;
  }
  .revenue > span:last-child {
    font-size: 12px;
  }
  .revenue-formula {
    font-size: 11px;
    margin-top: 14px;
  }
  .result-rule {
    margin-top: 23px;
  }
  .result-disclaimer {
    font-size: 10px;
    max-width: none;
  }
  .cost-line {
    font-size: 10px;
    gap: 12px;
    padding-top: 22px;
  }
  .cost-line > div {
    column-gap: 20px;
    row-gap: 9px;
  }
  .cost-line > div > span + span:before {
    top: 6px;
  }
  .fit-section {
    padding-top: 63px;
  }
  .fit-heading {
    gap: 25px;
  }
  .fit-heading h2 {
    font-size: 31px;
    letter-spacing: -1px;
  }
  .start-tabs {
    margin: 0;
    width: 100%;
    gap: 4px;
  }
  .start-tabs button {
    flex: 1;
    padding: 9px 8px;
    font-size: 12px;
  }
  .fit-content {
    grid-template-columns: 1fr;
    gap: 23px;
    padding-block: 32px 38px;
  }
  .fit-statement {
    font-size: 26px;
    line-height: 1.6;
    letter-spacing: -0.6px;
  }
  .fit-details {
    max-width: none;
  }
  .fit-details h3 {
    font-size: 14px;
    margin-bottom: 10px;
  }
  .fit-details > p {
    font-size: 12px;
  }
  .fit-details ul {
    font-size: 11px;
    gap: 9px;
    margin-top: 17px;
  }
  .audience-strip {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding-block: 23px 28px;
  }
  .audience-strip > span {
    font-size: 10px;
  }
  .audience-strip > div {
    flex-wrap: wrap;
    column-gap: 23px;
    row-gap: 9px;
    justify-content: flex-start;
  }
  .audience-strip strong {
    font-size: 11px;
    font-weight: 500;
  }
  .support-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .support-route:before {
    left: 17px;
    bottom: 49px;
  }
  .support-step {
    gap: 20px;
    padding-bottom: 28px;
  }
  .support-step > span {
    width: 35px;
    height: 35px;
    font-size: 12px;
  }
  .support-step h3 {
    font-size: 17px;
    margin-top: 2px;
    margin-bottom: 8px;
  }
  .support-step p {
    font-size: 12px;
    max-width: none;
  }
  .support-note {
    padding: 26px 27px 23px;
    min-height: 0;
  }
  .support-note h3 {
    font-size: 25px;
    margin-top: 5px;
  }
  .support-note > p {
    font-size: 12px;
    max-width: 370px;
  }
  .support-note .text-link {
    font-size: 12px;
    margin-top: 12px;
  }
  .support-art {
    width: 115px;
    top: 6px;
  }
  .faq-section {
    padding-block: 54px 60px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 29px;
  }
  .faq-layout h2 {
    font-size: 30px;
  }
  .faq-list summary {
    font-size: 13px;
    min-height: 68px;
    gap: 20px;
    padding-block: 17px;
  }
  .faq-list details > p {
    font-size: 12px;
    padding-right: 15px;
    padding-bottom: 21px;
  }
  .faq-list summary svg {
    width: 17px;
    height: 17px;
  }
  .site-footer {
    padding-top: 35px;
  }
  .footer-main {
    flex-wrap: wrap;
    gap: 24px;
    position: relative;
    padding-bottom: 26px;
  }
  .footer-main > .brand {
    width: calc(100% - 110px);
  }
  .footer-main > p {
    max-width: 100%;
    font-size: 9px;
    line-height: 2.1;
  }
  .footer-brand .brand-name {
    font-size: 19px;
  }
  .footer-brand img {
    width: 40px;
    height: 40px;
  }
  .footer-brand .brand-name > span {
    font-size: 9px;
  }
  .back-top {
    position: absolute;
    right: 0;
    top: 2px;
    font-size: 10px;
    gap: 10px;
  }
  .back-top svg {
    width: 16px;
    height: 16px;
  }
  .footer-bottom {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 8px 20px;
    font-size: 8px;
    padding-block: 18px;
    min-height: 0;
  }
  .footer-bottom > span:nth-child(2) {
    order: 3;
    width: 100%;
  }
  .footer-bottom > a {
    margin-left: auto;
    padding-block: 0;
  }
  .footer-bottom > span:first-child {
    flex: 1;
  }
}
@media (max-width: 390px) {
  .wrap {
    width: calc(100% - 32px);
  }
  .hero-grid {
    padding-top: 35px;
  }
  .hero-overline {
    font-size: 11px;
  }
  .hero h1 {
    font-size: 43px;
    letter-spacing: -2px;
  }
  .hero-description {
    font-size: 18px;
  }
  .hero-detail {
    font-size: 12px;
  }
  .hero-actions {
    gap: 20px;
  }
  .hero-actions .button {
    font-size: 12px;
    padding-inline: 14px;
    gap: 14px;
  }
  .hero-actions .text-link {
    font-size: 11px;
    gap: 5px;
  }
  .hero-stage {
    height: 477px;
    margin-top: 20px;
  }
  .stage-caption {
    font-size: 9px;
    left: 0;
    right: 0;
    top: 15px;
  }
  .stage-caption .sample-label {
    font-size: 9px !important;
  }
  .sheet-main {
    width: 292px;
    left: calc(50% - 116px);
    top: 62px;
    padding: 17px 19px 12px;
  }
  .sheet-back {
    width: 264px;
    height: 363px;
    left: calc(50% - 164px);
    top: 87px;
  }
  .worksheet-block {
    margin-top: 14px;
  }
  .reading-block {
    margin-top: 15px;
  }
  .worksheet-heading {
    margin-bottom: 8px;
  }
  .sheet-brand {
    font-size: 15px;
  }
  .sheet-top {
    padding-bottom: 10px;
  }
  .student-heading {
    margin-top: 12px;
  }
  .word-row {
    grid-template-columns: 66px 77px 1fr;
    font-size: 7px;
    gap: 3px;
    padding-block: 6px;
  }
  .word-row strong {
    font-size: 10px;
  }
  .sheet-subtitle {
    font-size: 9px;
  }
  .reading-block p {
    font-size: 10px;
  }
  .record-ticket {
    width: 235px;
    bottom: 16px;
    right: -2px;
    padding: 14px 15px 12px;
  }
  .ticket-stats {
    margin-top: 12px;
    padding-bottom: 9px;
  }
  .ticket-stats strong {
    font-size: 28px;
  }
  .ticket-heading {
    font-size: 11px;
  }
  .ticket-foot {
    font-size: 8px;
  }
  .stage-bottom-note {
    bottom: -11px;
    font-size: 8px;
    left: 0;
  }
  .hero-bottom {
    margin-top: 30px;
  }
  .hero-bottom > div {
    font-size: 9px;
    gap: 9px;
  }
  .section-heading h2,
  .approach-heading h2 {
    font-size: 30px;
  }
  .section-space {
    padding-block: 62px;
  }
  .demo-panel {
    padding-inline: 18px;
    min-height: 472px;
  }
  .demo-tabs button > span:nth-child(2) {
    font-size: 10px;
  }
  .demo-panel h3 {
    font-size: 25px;
  }
  .panel-description {
    font-size: 11px;
  }
  .record-timeline {
    column-gap: 12px;
  }
  .record-timeline strong {
    font-size: 10px;
  }
  .record-timeline > div > span:last-child {
    font-size: 8px;
  }
  .score-side {
    gap: 15px;
  }
  .evaluation-display {
    gap: 18px;
  }
  .score-display,
  .score-display svg {
    width: 112px;
    height: 112px;
  }
  .score-side strong {
    font-size: 23px;
  }
  .score-side small {
    font-size: 10px;
  }
  .feedback-map {
    grid-template-columns: 1fr 40px 1.3fr;
  }
  .feedback-map svg {
    width: 38px;
  }
  .feedback-map strong {
    font-size: 10px;
    padding-inline: 8px;
  }
  .workflow {
    gap: 24px 13px;
  }
  .workflow li {
    gap: 8px;
  }
  .workflow h3 {
    font-size: 12px;
  }
  .workflow p {
    font-size: 9px;
  }
  .workflow li > span {
    width: 23px;
    height: 23px;
    font-size: 9px;
  }
  .calculator-controls {
    padding-inline: 18px;
  }
  .fee-options {
    gap: 5px;
  }
  .fee-options label > span {
    font-size: 15px;
  }
  .fee-options small {
    font-size: 8px;
  }
  .calculator-result {
    padding-inline: 23px;
  }
  .revenue output {
    font-size: 55px;
  }
  .fit-heading h2 {
    font-size: 28px;
  }
  .fit-statement {
    font-size: 24px;
  }
  .landscape-point h3 {
    font-size: 21px;
  }
  .landscape-point > span:last-child {
    font-size: 9px;
    max-width: 86px;
  }
  .audience-strip > div {
    gap: 10px 20px;
  }
}
/* Reading copy stays at 16px; small type is reserved for the clearly labelled miniature demonstration. */
.hero-detail,
.section-heading > p,
.panel-description,
.workflow-intro > p:last-child,
.fit-details > p,
.support-step p,
.support-note > p,
.faq-list details > p {
  font-size: 16px;
  line-height: 1.9;
}
.panel-footnote,
.landscape-note,
.input-hint,
.result-disclaimer {
  font-size: 12px;
  line-height: 1.85;
}
.workflow p,
.fit-details ul {
  font-size: 13px;
  line-height: 1.85;
}
.demo-panel {
  min-height: 570px;
}
.menu-toggle {
  display: none;
}
.number-stepper button {
  width: 44px;
}
.student-slider {
  height: 44px;
  margin-block: 10px 0;
}
.faq-list summary {
  font-size: 16px;
}
.next-step-section {
  padding-block: 85px 95px;
}
.next-step-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 100px;
  align-items: center;
}
.next-step-layout h2 {
  font-size: 47px;
  line-height: 1.45;
}
.next-step-description {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.95;
  margin-top: 24px;
}
.next-step-actions {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 29px;
}
.next-step-actions .text-link {
  font-size: 14px;
  gap: 8px;
}
.next-step-note {
  position: relative;
  background: #e8eee7;
  border-radius: 13px;
  padding: 32px 35px;
  overflow: hidden;
}
.next-step-mark {
  position: absolute;
  right: 20px;
  top: 25px;
  color: var(--pine);
  opacity: 0.2;
}
.next-step-mark svg {
  width: 68px;
  height: 68px;
  stroke-width: 1.3;
}
.next-step-note h3 {
  position: relative;
  font-size: 25px;
  line-height: 1.55;
  letter-spacing: -0.4px;
}
.next-step-note ul {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.next-step-note li {
  display: flex;
  align-items: flex-start;
  gap: 25px;
  font-size: 13px;
  line-height: 1.8;
}
.next-step-note strong {
  font-weight: 550;
  color: var(--pine);
  flex-shrink: 0;
}
.next-step-note li > span {
  color: var(--text-muted);
}
@media (max-width: 980px) {
  .next-step-layout {
    gap: 50px;
  }
  .next-step-layout h2 {
    font-size: 39px;
  }
  .next-step-note {
    padding-inline: 27px;
  }
  .next-step-note h3 {
    font-size: 23px;
  }
  .next-step-actions {
    gap: 20px;
  }
  .next-step-actions .button {
    font-size: 14px;
    padding-inline: 18px;
    gap: 15px;
  }
  .next-step-actions .text-link {
    font-size: 12px;
  }
}
@media (max-width: 760px) {
  .js-enhanced .menu-toggle {
    display: flex;
  }
  html:not(.js-enhanced) .site-header {
    height: auto;
    position: relative;
  }
  html:not(.js-enhanced) .header-inner {
    flex-wrap: wrap;
    padding-block: 18px 12px;
    gap: 17px;
  }
  html:not(.js-enhanced) .site-nav {
    display: flex;
    width: 100%;
    gap: 3px 18px;
    padding: 0;
    justify-content: flex-start;
  }
  html:not(.js-enhanced) .site-nav > a {
    font-size: 12px;
    padding-block: 0;
    min-height: 38px;
  }
  html:not(.js-enhanced) .site-nav .nav-cta {
    margin: 0;
    padding-inline: 8px;
  }
  .hero-detail {
    font-size: 16px;
  }
  .section-heading > p {
    font-size: 16px;
  }
  .demo-panel {
    min-height: 560px;
  }
  .panel-description {
    font-size: 16px;
  }
  .record-timeline {
    row-gap: 23px;
  }
  .panel-footnote {
    font-size: 12px;
  }
  .workflow-intro > p:last-child {
    font-size: 16px;
  }
  .workflow p {
    font-size: 12px;
  }
  .fit-details > p,
  .support-step p,
  .support-note > p,
  .faq-list details > p {
    font-size: 16px;
  }
  .fit-details ul {
    font-size: 14px;
  }
  .next-step-section {
    padding-block: 65px 70px;
  }
  .next-step-layout {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .next-step-layout h2 {
    font-size: 36px;
  }
  .next-step-description {
    font-size: 16px;
    margin-top: 21px;
  }
  .next-step-description br {
    display: none;
  }
  .next-step-actions {
    gap: 22px;
    margin-top: 25px;
  }
  .next-step-actions .button {
    font-size: 13px;
    padding-inline: 16px;
    gap: 15px;
  }
  .next-step-actions .text-link {
    font-size: 12px;
  }
  .next-step-note {
    padding: 27px 26px;
  }
  .next-step-note h3 {
    font-size: 25px;
  }
  .next-step-note li {
    font-size: 14px;
    gap: 23px;
  }
  .landscape-note {
    font-size: 11px;
  }
  .input-hint,
  .result-disclaimer {
    font-size: 12px;
  }
  .footer-bottom > span:last-child {
    margin-left: auto;
  }
}
@media (max-width: 390px) {
  .hero-detail {
    font-size: 15px;
  }
  .demo-panel {
    padding-inline: 18px;
    min-height: 600px;
  }
  .record-timeline {
    column-gap: 13px;
  }
  .panel-description {
    font-size: 15px;
  }
  .workflow p {
    font-size: 11px;
  }
  .next-step-layout h2 {
    font-size: 34px;
  }
  .next-step-actions {
    gap: 17px;
  }
  .next-step-actions .button {
    font-size: 12px;
    gap: 10px;
    padding-inline: 13px;
  }
  .next-step-actions .text-link {
    font-size: 11px;
  }
  .next-step-note li {
    font-size: 13px;
  }
  .next-step-note h3 {
    font-size: 23px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .button-primary:hover {
    transform: none;
  }
}

/* Both visual tab states are derived solely from aria-selected. */
.demo-tabs [role="tab"][aria-selected="false"] {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.demo-tabs [role="tab"][aria-selected="true"] {
  background: var(--white);
  border-color: rgba(23, 61, 54, 0.1);
  box-shadow: 0 3px 10px rgba(23, 61, 54, 0.035);
}
@media (max-width: 760px) {
  .demo-tabs [role="tab"][aria-selected="false"] {
    border-bottom: 3px solid transparent;
  }
  .demo-tabs [role="tab"][aria-selected="true"] {
    border: 0;
    border-bottom: 3px solid var(--seal);
    box-shadow: none;
  }
}
/* Mobile reading and controls retain usable sizes, including the narrowest viewport. */
.contact-instruction {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
}
#contact .next-step-layout {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.2fr);
  gap: 72px;
}
.contact-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  justify-self: end;
  width: 100%;
  max-width: 560px;
}
.contact-qr {
  min-width: 0;
  margin: 0;
  padding: 16px 16px 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 15px 45px rgba(23, 61, 54, 0.06);
}
.contact-qr .contact-role {
  margin: 0 0 12px;
  color: var(--pine);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.6;
}
.contact-qr .qr-crop {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--white);
}
.contact-qr .qr-crop img {
  position: absolute;
  max-width: none;
  height: auto;
}
/* Original 912×1354 image: square crop x90, y356, width732, height732. */
.qr-crop-zhao img {
  width: 124.590164%;
  left: -12.295082%;
  top: -48.63388%;
}
/* Original 820×1219 image: square crop x80, y320, width660, height660. */
.qr-crop-li img {
  width: 124.242424%;
  left: -12.121212%;
  top: -48.484848%;
}
.contact-qr figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 11px;
  color: var(--pine);
}
.contact-qr figcaption strong {
  font-size: 17px;
  font-weight: 550;
}
.contact-qr figcaption a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  font-size: 13px;
  color: var(--text-muted);
}
.contact-qr figcaption a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.contact-qr figcaption svg {
  width: 15px;
  height: 15px;
}
.growth-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 29px;
  padding-top: 19px;
  border-top: 1px solid var(--line);
}
.growth-contact p {
  color: var(--text-muted);
  font-size: 14px;
}
.growth-contact .text-link {
  flex-shrink: 0;
  font-size: 14px;
}
@media (max-width: 1100px) {
  #contact .next-step-layout {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .contact-qr-grid {
    justify-self: start;
  }
}
@media (max-width: 760px) {
  .contact-qr-grid {
    grid-template-columns: 1fr;
    justify-self: center;
    max-width: 294px;
    gap: 22px;
  }
  .contact-qr {
    padding: 16px 16px 10px;
  }
  .contact-instruction {
    font-size: 14px;
  }
  .growth-contact {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }
  .hero-detail {
    font-size: 16px;
  }
  .hero-actions {
    flex-wrap: wrap;
    gap: 12px 24px;
  }
  .hero-actions .button {
    font-size: 15px;
    min-height: 48px;
  }
  .hero-actions .text-link {
    font-size: 14px;
    min-height: 44px;
  }
  .demo-tabs button {
    min-height: 96px;
  }
  .demo-tabs button > span:nth-child(2) {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 36px;
    font-size: 12px;
    line-height: 1.5;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .workflow {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .workflow li {
    gap: 16px;
  }
  .workflow li > span {
    width: 30px;
    height: 30px;
    font-size: 12px;
    margin-top: 0;
  }
  .workflow h3 {
    font-size: 16px;
    line-height: 1.7;
  }
  .workflow p {
    font-size: 14px;
    line-height: 1.85;
    margin-top: 5px;
  }
  .next-step-actions {
    flex-wrap: wrap;
    gap: 12px 24px;
  }
  .next-step-actions .button {
    font-size: 15px;
    min-height: 48px;
  }
  .next-step-actions .text-link {
    font-size: 14px;
    min-height: 44px;
  }
  .panel-description {
    font-size: 16px;
  }
}

/* Reviewed audio demonstrations extend the existing seal/pine/paper system. */
.reading-section{background:#eef2ec;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.reading-intro{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end}
.reading-intro h2{font-size:clamp(36px,4.2vw,62px);line-height:1.22;letter-spacing:-.04em}
.reading-intro-copy{font-size:19px;color:var(--pine)}
.reading-intro-copy p+p{margin-top:14px;color:var(--text-muted);font-size:16px}
.reading-steps{display:flex;flex-wrap:wrap;gap:16px 32px;list-style:none;padding:0;margin:32px 0}
.reading-steps li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--pine)}
.reading-steps span{font-size:12px;color:var(--seal);font-weight:700;border-top:1px solid currentColor;padding-top:4px}
.reading-preview{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:0 12px 40px #173d3605}
.reading-preview-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.reading-badge{font-size:12px;letter-spacing:.08em;color:var(--text-muted)}
.reading-preview-top h3{font-size:26px;line-height:1.4;margin-top:6px;color:var(--pine)}
.reading-rate{display:flex;gap:6px;background:var(--paper);padding:5px;border-radius:8px;flex-wrap:wrap}
.reading-rate[hidden],.reading-word-choices[hidden]{display:none}
.reading-rate button,.reading-word-choices button{border:0;background:transparent;color:var(--text-muted);min-height:44px;padding:8px 14px;border-radius:6px;font-size:14px}
.reading-rate button[aria-pressed=true]{background:var(--pine);color:white}
.reading-preview-grid{display:grid;grid-template-columns:minmax(230px,.85fr) minmax(0,1.5fr);gap:36px;padding-top:28px}
.reading-word-panel{padding-right:32px;border-right:1px solid var(--line)}
.reading-kind{font-size:13px;color:var(--pine);font-weight:600;display:flex;justify-content:space-between;gap:12px}
.reading-kind span{font-weight:400;color:var(--text-muted)}
.reading-word-choices{display:flex;gap:2px;margin-top:14px;flex-wrap:wrap}
.reading-word-choices button{padding:6px 11px;font-size:14px;border:1px solid transparent}
.reading-word-choices button[aria-pressed=true]{background:#f8eae5;color:#a6311a;border-color:#eed0c5}
.reading-word{font:600 clamp(42px,5vw,64px)/1.35 Georgia,serif;letter-spacing:-.03em;color:var(--pine);margin-top:20px;min-height:86px}
.reading-word span,.reading-passage span{border-radius:3px;transition:background-color .1s,color .1s}
.reading-word span.is-spoken,.reading-passage span.is-spoken{background:#f5d9cb;color:#8b2814}
.reading-phonetic{color:var(--text-muted);font-size:16px;margin-top:2px}
.reading-meaning{margin-top:8px;margin-bottom:24px;font-size:16px}
.reading-preview audio{display:block;width:100%;height:44px;max-width:100%;margin-top:20px}
.reading-caption{font-size:12px;line-height:1.7;color:var(--text-muted);margin-top:10px}
.reading-passage{font:18px/1.85 Georgia,serif;color:#354b43;margin-top:20px;max-height:252px;overflow:auto;padding-right:10px;scrollbar-width:thin;overscroll-behavior:contain;white-space:pre-line}
.reading-preview-note{border-top:1px solid var(--line);padding-top:18px;margin-top:26px;font-size:13px;color:var(--text-muted)}
.independent-reading{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding-top:64px}
.independent-reading h3{font-size:clamp(30px,3vw,42px);line-height:1.3;letter-spacing:-.03em;color:var(--pine)}
.independent-reading h3+p{font-size:16px;max-width:470px;color:var(--text-muted);margin:20px 0}
.independent-reading-flow{display:grid;grid-template-columns:1fr 1fr;gap:24px;list-style:none;padding:0;margin:0}
.independent-reading-flow li{border-top:1px solid #b9cdbd;padding-top:12px}
.independent-reading-flow span{color:var(--seal);font-size:12px;margin-right:10px}
.independent-reading-flow strong{font-size:17px;color:var(--pine)}
.independent-reading-flow p{font-size:13px;margin-top:6px;color:var(--text-muted)}
.reading-entitlement{font-size:12px;color:var(--text-muted);margin-top:24px;line-height:1.8}
@media(max-width:760px){.reading-intro,.independent-reading{grid-template-columns:1fr;gap:24px}.reading-intro-copy{font-size:17px}.reading-steps{gap:12px 20px;display:grid;grid-template-columns:1fr 1fr}.reading-steps li{font-size:12px;gap:8px}.reading-preview{padding:20px}.reading-preview-top{align-items:flex-start;flex-direction:column;gap:16px}.reading-preview-grid{grid-template-columns:1fr;gap:28px}.reading-word-panel{padding:0 0 28px;border-right:0;border-bottom:1px solid var(--line)}.reading-word{min-height:68px;margin-top:14px}.reading-word-choices{margin-top:10px}.reading-passage{font-size:17px;max-height:270px}.independent-reading{padding-top:40px}.independent-reading-flow{gap:20px 14px}.reading-rate{width:100%}.reading-rate button{flex:1}.reading-steps span{font-size:11px}}
@media(prefers-reduced-motion:reduce){.reading-word span,.reading-passage span{transition:none}}