@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700&family=Nunito:wght@600;700;800&family=Source+Sans+3:wght@400;500;600;700&display=swap");

:root {
  --paper: #f7f6f2;
  --surface: #ffffff;
  --ink: #171817;
  --muted: #71736f;
  --line: #dcdad3;
  --soft-line: #ebe9e3;
  --sage: #dce7d8;
  --sage-deep: #536653;
  --sand: #ece5d9;
  --charcoal: #202120;
  --success: #395e42;
  --danger: #813d3d;
  --mallo-coral: #f26b4a;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-1: 0 16px 50px rgba(23, 24, 23, 0.08);
  --shadow-2: 0 26px 80px rgba(23, 24, 23, 0.14);
  --container: min(1160px, calc(100vw - 48px));
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --font-display: "Nunito", "Noto Sans KR", sans-serif;
  --font-body: "Source Sans 3", "Noto Sans KR", sans-serif;
  --font-korean: "Noto Sans KR", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.course-page {
  background: var(--surface);
}

body.menu-open,
body.course-nav-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

:lang(ko) {
  font-family: var(--font-korean);
}

p,
li {
  text-wrap: pretty;
}

.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;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  transform: translateY(-150%);
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
}

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

.container {
  width: var(--container);
  margin-inline: auto;
}

.narrow {
  width: min(820px, calc(100vw - 48px));
  margin-inline: auto;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading h2 {
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
}

.section-heading > p:last-child {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}

.button {
  font-family: var(--font-display);
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
}

.button:active {
  transform: translateY(0);
}

.button.dark {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.button.dark:hover {
  background: #333432;
}

.button.light {
  border-color: rgba(255, 255, 255, 0.35);
  background: transparent;
  color: var(--surface);
}

.button:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(83, 102, 83, 0.4);
  outline-offset: 3px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid currentColor;
  font-size: 0.9rem;
  font-weight: 700;
}

/* Header */

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(220, 218, 211, 0.76);
  background: rgba(247, 246, 242, 0.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(1240px, calc(100vw - 40px));
  min-height: 76px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  overflow: visible;
  transition: transform 220ms var(--ease);
}

.brand-mark-bubble {
  fill: var(--mallo-coral);
}

.brand-mark-book {
  fill: var(--surface);
}

.brand-mark-spine {
  fill: none;
  stroke: var(--mallo-coral);
  stroke-linecap: round;
  stroke-width: 2.4px;
}

.brand-word {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.42rem;
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 1;
}

.brand-word > span {
  color: var(--mallo-coral);
}

.brand-lockup:hover .brand-mark {
  transform: rotate(-5deg) scale(1.05);
}

.primary-nav,
.utility-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.primary-nav a,
.utility-nav a:not(.nav-cta) {
  position: relative;
  color: #4f514e;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.primary-nav a::after,
.utility-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 1px;
  background: currentColor;
  transition: right 180ms var(--ease);
}

.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after,
.utility-nav a:hover::after,
.utility-nav a[aria-current="page"]::after {
  right: 0;
}

.nav-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 9px 17px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--surface);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
}

.menu-toggle > span:not(.sr-only) {
  position: absolute;
  width: 17px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 180ms var(--ease);
}

.menu-toggle > span:first-child {
  transform: translateY(-3px);
}

.menu-toggle > span:nth-child(2) {
  transform: translateY(3px);
}

.menu-toggle[aria-expanded="true"] > span:first-child {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] > span:nth-child(2) {
  transform: rotate(-45deg);
}

/* Footer */

#site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-inner {
  width: var(--container);
  min-height: 132px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 48px;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-inner p {
  margin: 0;
}

.footer-brand {
  display: grid;
  gap: 7px;
  width: fit-content;
}

.footer-brand .brand-mark {
  width: 38px;
  height: 38px;
}

.footer-brand .brand-word {
  font-size: 1.6rem;
}

.brand-tagline {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.brand-tagline > span {
  color: var(--mallo-coral);
  font-weight: 700;
}

.footer-inner nav {
  display: flex;
  gap: 24px;
}

.footer-inner a:hover {
  color: var(--ink);
}

/* Home */

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  padding: 68px 0 88px;
  background: var(--surface);
}

.hero-grid {
  width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, 0.9fr);
  align-items: center;
  gap: clamp(50px, 8vw, 120px);
}

.hero-meta {
  margin-bottom: clamp(70px, 10vh, 120px);
  display: flex;
  justify-content: space-between;
  color: #a2a49f;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-copy h1 {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: clamp(3.2rem, 7vw, 6.4rem);
  font-weight: 700;
}

.hero-copy > p {
  max-width: 610px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.word-widget {
  position: relative;
}

.word-widget::before,
.word-widget::after {
  content: "";
  position: absolute;
  z-index: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
}

.word-widget::before {
  inset: -26px 36px 30px -26px;
  transform: rotate(-3deg);
}

.word-widget::after {
  inset: 28px -24px -24px 44px;
  transform: rotate(4deg);
}

.word-tabs {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.word-tabs::-webkit-scrollbar {
  display: none;
}

.word-tab {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.word-tab.is-active {
  background: var(--ink);
  color: var(--surface);
}

.word-panel {
  position: relative;
  z-index: 1;
  min-height: 410px;
  padding: 42px;
  border-radius: var(--radius-lg);
  background: var(--charcoal);
  color: var(--surface);
  box-shadow: var(--shadow-2);
}

.word-language {
  margin-bottom: 38px;
  color: #a6aaa4;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.word-main {
  margin-bottom: 4px;
  font-size: clamp(3.2rem, 7vw, 5.8rem);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 1;
}

.word-pronunciation {
  margin-bottom: 14px;
  color: #b8bbb7;
  font-weight: 600;
}

.word-meaning {
  max-width: 290px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  color: #b8bbb7;
}

.manifesto {
  padding: 120px 0;
  background: var(--paper);
}

.manifesto h2 {
  max-width: 1030px;
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 6.2rem);
}

.metrics {
  width: var(--container);
  margin: 90px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  min-height: 170px;
  padding: 36px 30px;
  border-right: 1px solid var(--line);
}

.metric:last-child {
  border-right: 0;
}

.metric p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.metric-value {
  margin-bottom: 30px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
}

.section-pad {
  padding: 128px 0;
}

.section-white {
  background: var(--surface);
}

.catalog-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.catalog-card {
  min-height: 118px;
  display: grid;
  grid-template-columns: 64px 1fr auto auto;
  align-items: center;
  gap: 28px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms var(--ease), background 180ms var(--ease);
}

.catalog-card:not(.is-disabled):hover {
  padding-inline: 18px;
  background: var(--sage);
}

.catalog-card.is-disabled {
  color: #a5a6a3;
}

.catalog-code {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.catalog-code.small {
  width: 42px;
  height: 42px;
}

.catalog-copy p {
  margin: 0;
}

.catalog-copy p:last-child,
.catalog-count {
  color: var(--muted);
  font-size: 0.8rem;
}

.catalog-name {
  margin-bottom: 4px !important;
  color: var(--ink);
  font-size: 1.22rem;
  font-weight: 700;
}

.catalog-count {
  min-width: 90px;
  text-align: right;
}

.catalog-action {
  min-width: 128px;
  font-size: 0.82rem;
  font-weight: 700;
  text-align: right;
}

.section-footer-link {
  margin-top: 30px;
  display: flex;
  justify-content: flex-end;
}

.community-section {
  background: var(--charcoal);
  color: var(--surface);
}

.community-section .section-heading > p,
.community-section .eyebrow {
  color: #adb0ab;
}

.community-lead {
  margin-bottom: 54px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 30px;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: #c9cec6;
  font-size: 0.8rem;
}

.live-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9ac88f;
  box-shadow: 0 0 0 5px rgba(154, 200, 143, 0.13);
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.schedule-card {
  min-width: 0;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  background: #282a28;
}

.schedule-head {
  min-height: 102px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.schedule-head .catalog-code {
  border-color: rgba(255, 255, 255, 0.2);
  background: transparent;
}

.schedule-head h3 {
  margin: 5px 0 5px;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.schedule-head p,
.session-list p,
.session-list time {
  margin: 0;
  color: #aeb1ad;
  font-size: 0.72rem;
}

.session-count {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: -18px;
  color: #aeb1ad;
  font-size: 0.7rem;
}

.session-list {
  margin: 0;
  padding: 8px 0 0;
  list-style: none;
}

.session-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 11px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

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

.session-list .session-title {
  margin-bottom: 4px;
  color: var(--surface);
  font-size: 0.8rem;
  font-weight: 700;
}

.status-dot {
  width: 7px;
  height: 7px;
  margin-top: 7px;
  border: 1px solid #91a58c;
  border-radius: 50%;
}

.testimonials-section {
  background: var(--sand);
}

.testimonial-shell {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(50px, 8vw, 120px);
}

.testimonial-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.testimonial-controls button {
  width: 46px;
  height: 46px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.testimonial-controls button:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.testimonial-counter {
  min-width: 58px;
  color: var(--muted);
  font-size: 0.75rem;
}

.testimonial-track blockquote {
  margin: 0;
}

.testimonial-track blockquote > p {
  margin-bottom: 48px;
  font-size: clamp(1.7rem, 3vw, 3.1rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.04em;
}

.testimonial-track footer {
  display: flex;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid rgba(23, 24, 23, 0.18);
  color: var(--muted);
  font-size: 0.8rem;
}

.pricing-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.price-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.price-card.is-featured {
  background: var(--sage);
  border-color: transparent;
}

.price-card .eyebrow {
  margin-bottom: 30px;
}

.price-card h3 {
  margin-bottom: 12px;
  font-size: 1.4rem;
}

.price-value {
  margin: 18px 0 26px;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.price-card ul {
  margin: 0 0 28px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.83rem;
}

.price-card .button,
.price-card .text-link {
  margin-top: auto;
  align-self: flex-start;
}

/* Secondary pages */

.page-bar {
  width: var(--container);
  min-height: 92px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.page-bar > :last-child {
  justify-self: end;
}

.page-bar h1 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.back-link {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.page-intro {
  padding: 96px 0 58px;
}

.page-intro h1 {
  max-width: 930px;
  margin-bottom: 18px;
  font-size: clamp(3rem, 7vw, 6.6rem);
}

.page-intro > p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
}

.dark-hero {
  padding: 96px 0;
  background: var(--charcoal);
  color: var(--surface);
}

.dark-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(3.2rem, 8vw, 7rem);
}

.dark-hero p {
  margin: 0;
  color: #b8bbb7;
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  align-items: start;
  gap: clamp(60px, 10vw, 140px);
}

.profile-card {
  position: sticky;
  top: 112px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.profile-visual {
  aspect-ratio: 4 / 4.5;
  margin-bottom: 24px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--sage);
  color: var(--sage-deep);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-line {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.75rem;
}

.status-line::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6e9368;
}

.profile-card h2 {
  margin-bottom: 6px;
  font-size: 1.25rem;
}

.profile-card > p {
  color: var(--muted);
  font-size: 0.84rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 22px;
}

.chip {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.7rem;
}

.bio-copy h2 {
  margin-bottom: 32px;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
}

.bio-copy > p {
  max-width: 720px;
  margin-bottom: 24px;
  color: #4f514e;
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
}

.stack-section {
  margin-top: 84px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

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

.stack-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.stack-item h3 {
  margin-bottom: 8px;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

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

/* FAQ */

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item h2 {
  margin: 0;
}

.faq-item h2 button {
  width: 100%;
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 24px 0;
  border: 0;
  background: transparent;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-symbol {
  position: relative;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
}

.faq-symbol::before,
.faq-symbol::after {
  content: "";
  position: absolute;
  top: 11px;
  left: 3px;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transition: transform 180ms var(--ease);
}

.faq-symbol::after {
  transform: rotate(90deg);
}

.faq-item.is-open .faq-symbol::after {
  transform: rotate(0deg);
}

.faq-answer {
  max-width: 760px;
  padding: 0 60px 32px 0;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

/* Intensive classes */

.featured-class {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--charcoal);
  color: var(--surface);
}

.featured-class-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.featured-class h2 {
  max-width: 760px;
  margin-bottom: 16px;
  font-size: clamp(2.5rem, 6vw, 5rem);
}

.featured-class-header > div > p:last-child {
  max-width: 650px;
  margin: 0;
  color: #b7bab6;
}

.status-badge {
  align-self: start;
  padding: 8px 13px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: #d8ddd5;
  font-size: 0.72rem;
}

.class-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 1px 0 28px;
  background: rgba(255, 255, 255, 0.14);
}

.class-meta-grid div {
  padding: 22px;
  background: var(--charcoal);
}

.class-meta-grid span {
  display: block;
  color: #929691;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.class-meta-grid strong {
  display: block;
  margin-top: 6px;
  font-size: 0.9rem;
}

.access-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.access-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
}

.access-card p {
  color: #b7bab6;
}

.access-price {
  color: var(--surface) !important;
  font-size: 1.8rem;
  font-weight: 700;
}

.access-card ul {
  margin: 0;
  padding-left: 18px;
  color: #b7bab6;
  font-size: 0.8rem;
}

.curriculum {
  margin-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.curriculum-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 24px;
  padding: 25px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.curriculum-number {
  color: #8f938e;
  font-size: 0.72rem;
  font-weight: 700;
}

.curriculum-row p {
  margin: 0;
  color: #aeb1ad;
  font-size: 0.78rem;
}

.curriculum-row .curriculum-title {
  margin-bottom: 5px;
  color: var(--surface);
  font-size: 0.96rem;
  font-weight: 700;
}

.curriculum-meta {
  min-width: 108px;
  display: grid;
  justify-items: end;
  align-content: start;
  gap: 5px;
  color: #aeb1ad;
  font-size: 0.7rem;
}

.class-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.class-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.class-card-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.class-card h3 {
  margin-bottom: 10px;
  font-size: 1.5rem;
}

.class-card > p {
  color: var(--muted);
}

.class-price {
  margin-top: 24px;
  font-size: 1.65rem;
  font-weight: 700;
}

.class-specs {
  margin: 12px 0 28px;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.class-specs li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--soft-line);
  color: var(--muted);
  font-size: 0.76rem;
}

.class-card .button {
  margin-top: auto;
  align-self: flex-start;
}

/* Course application */

.course-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
}

.course-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--paper);
}

.course-sidebar-top {
  position: sticky;
  top: 0;
  z-index: 3;
  padding: 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 246, 242, 0.96);
  backdrop-filter: blur(12px);
}

.all-courses {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
}

.course-identity {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 13px;
}

.course-identity p {
  margin: 0;
}

.course-identity p:first-child {
  font-weight: 700;
}

.course-identity p:last-child {
  color: var(--muted);
  font-size: 0.72rem;
}

.course-nav-list {
  padding: 12px;
}

.lesson-group {
  margin-bottom: 20px;
}

.lesson-group-label {
  display: flex;
  justify-content: space-between;
  padding: 12px 10px;
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lesson-nav-item {
  width: 100%;
  min-height: 46px;
  display: grid;
  grid-template-columns: 31px 1fr;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #555753;
  font-size: 0.75rem;
  text-align: left;
  cursor: pointer;
}

.lesson-nav-item > span:first-child {
  color: #a0a29e;
  font-size: 0.65rem;
}

.lesson-nav-item:hover {
  background: var(--surface);
}

.lesson-nav-item.is-active {
  background: var(--ink);
  color: var(--surface);
}

.lesson-nav-item.is-active > span:first-child {
  color: #aaada8;
}

.course-main {
  min-width: 0;
}

.course-mobile-header {
  display: none;
}

.lesson-status {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto minmax(150px, 320px) auto;
  align-items: center;
  gap: 24px;
  padding: 16px 32px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.lesson-status > div:first-child {
  display: flex;
  gap: 22px;
}

.lesson-status p,
.lesson-status > span {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.lesson-status strong {
  color: var(--ink);
}

.progress-track {
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft-line);
}

.progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--sage-deep);
  transition: width 260ms var(--ease);
}

.lesson-article {
  width: min(840px, calc(100vw - 400px));
  margin-inline: auto;
  padding: 96px 0;
}

.lesson-article > h1 {
  margin-bottom: 20px;
  font-size: clamp(3rem, 6vw, 6rem);
}

.lesson-lead {
  max-width: 680px;
  margin-bottom: 84px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.lesson-source {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  margin: -48px 0 64px;
  padding: 18px 20px;
  border: 1px solid var(--soft-line);
  border-radius: var(--radius-sm);
  background: var(--paper);
}

.lesson-source > span {
  color: var(--sage-deep);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.lesson-source p,
.lesson-source small {
  margin: 0;
}

.lesson-source p {
  color: var(--ink);
  font-weight: 700;
}

.lesson-source small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.lesson-section {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 28px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.lesson-section + .lesson-section {
  margin-top: 72px;
}

.section-index {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.lesson-section h2 {
  margin-bottom: 24px;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.lesson-section p {
  color: #50524f;
}

.check-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 13px 0 13px 28px;
  border-bottom: 1px solid var(--soft-line);
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 21px;
  left: 3px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--sage-deep);
  border-radius: 50%;
}

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

.vocabulary-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--soft-line);
  border-radius: var(--radius-sm);
  background: var(--paper);
}

.vocabulary-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.vocabulary-card-top .vocabulary-term {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 800;
}

.vocabulary-card-top > span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.vocabulary-card .vocabulary-pronunciation {
  margin: 4px 0 8px;
  color: var(--sage-deep);
  font-size: 0.78rem;
  font-weight: 600;
}

.vocabulary-card .vocabulary-meaning {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.example-list {
  border-top: 1px solid var(--soft-line);
}

.example-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--soft-line);
}

.example-row p {
  margin: 0;
}

.example-row p:first-child {
  color: var(--ink);
  font-weight: 600;
}

.example-row p:last-child {
  color: var(--muted);
}

.teaching-callout {
  margin-top: 72px;
  padding: 30px;
  border-radius: var(--radius-md);
  background: var(--sage);
}

.teaching-callout h2 {
  max-width: 560px;
  margin-bottom: 22px;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9px;
}

.answer-grid button {
  min-height: 54px;
  padding: 12px 16px;
  border: 1px solid rgba(83, 102, 83, 0.34);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.58);
  text-align: left;
  cursor: pointer;
}

.answer-grid button:hover,
.answer-grid button.is-selected {
  border-color: var(--sage-deep);
  background: var(--surface);
}

.answer-feedback {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--sage-deep);
  font-size: 0.78rem;
  font-weight: 700;
}

.answer-complete {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
}

.listening-companion {
  margin-top: 72px;
  padding: clamp(24px, 4vw, 38px);
  border-top: 2px solid var(--sage-deep);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.listening-companion-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 28px;
}

.listening-companion-header h2 {
  margin: 4px 0 10px;
  font-size: clamp(1.75rem, 4vw, 2.8rem);
}

.listening-companion-header p {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
}

.listening-companion-header > span {
  flex: 0 0 auto;
  padding: 9px 12px;
  border: 1px solid var(--sage-deep);
  border-radius: var(--radius-sm);
  color: var(--sage-deep);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.listening-track-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--soft-line);
}

.listening-track-list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--soft-line);
}

.listening-track-number {
  align-self: start;
  color: var(--sage-deep);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.listening-track-list h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.listening-track-list p,
.listening-preparation-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.listening-preparation-note {
  padding: 20px 0;
  border-top: 1px solid var(--soft-line);
  border-bottom: 1px solid var(--soft-line);
}

.listening-companion-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px 24px;
  padding-top: 24px;
}

.listening-companion-footer p {
  flex: 1 1 400px;
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.listening-source-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--surface);
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
}

.listening-source-link:hover {
  background: var(--sage-deep);
  border-color: var(--sage-deep);
}

.listening-source-link:focus-visible {
  outline: 3px solid var(--sage-deep);
  outline-offset: 3px;
}

.unit-quiz {
  margin-top: 72px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.unit-quiz-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 26px;
}

.unit-quiz-header h2 {
  margin: 4px 0 0;
  font-size: clamp(1.75rem, 4vw, 2.8rem);
}

.unit-quiz-header > span {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--sage);
  color: var(--sage-deep);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.quiz-question {
  min-width: 0;
  margin: 0;
  padding: 26px 0;
  border: 0;
  border-top: 1px solid var(--soft-line);
}

.quiz-question legend {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  width: 100%;
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
}

.quiz-question legend span {
  color: var(--sage-deep);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.quiz-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-left: 46px;
}

.quiz-options button {
  min-height: 54px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.quiz-options button:hover:not(:disabled),
.quiz-options button.is-selected {
  border-color: var(--sage-deep);
  background: var(--sage);
}

.quiz-options button:focus-visible,
.quiz-actions button:focus-visible {
  outline: 3px solid var(--sage-deep);
  outline-offset: 3px;
}

.quiz-options button.is-correct-answer {
  border-color: var(--sage-deep);
  background: var(--sage);
  font-weight: 700;
}

.quiz-options button.is-wrong-answer {
  border-color: var(--ink);
  border-style: dashed;
  background: var(--surface);
  text-decoration: line-through;
}

.quiz-options button:disabled {
  color: inherit;
  cursor: default;
  opacity: 1;
}

.quiz-question-feedback {
  min-height: 21px;
  margin: 12px 0 0 46px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.quiz-question.is-correct .quiz-question-feedback {
  color: var(--sage-deep);
}

.quiz-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 8px;
}

.quiz-actions button {
  min-height: 48px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-weight: 700;
  cursor: pointer;
}

.quiz-actions .button.dark {
  background: var(--ink);
  color: var(--surface);
}

.quiz-actions [hidden] {
  display: none;
}

.quiz-actions p {
  flex: 1 1 260px;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.quiz-actions p.is-complete {
  color: var(--sage-deep);
}

.quiz-actions p.is-warning {
  color: var(--ink);
}

.lesson-controls {
  margin-top: 48px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.lesson-controls > button {
  min-width: 112px;
  min-height: 48px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.lesson-controls > button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Dialog */

.interest-dialog {
  width: min(620px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-2);
}

.interest-dialog::backdrop {
  background: rgba(17, 18, 17, 0.7);
  backdrop-filter: blur(4px);
}

.dialog-inner {
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 34px;
}

.dialog-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.dialog-head h2 {
  margin-bottom: 7px;
  font-size: 2rem;
}

.dialog-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.dialog-close {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 7px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label,
.fieldset-label {
  font-size: 0.74rem;
  font-weight: 700;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper);
}

.form-field textarea {
  min-height: 100px;
  resize: vertical;
}

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

.choice-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 0.75rem;
}

.dialog-actions {
  margin-top: 24px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Reveal */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */

@media (max-width: 1100px) {
  .header-inner {
    grid-template-columns: auto auto 1fr;
  }

  .menu-toggle {
    display: grid;
    justify-self: end;
    grid-column: 3;
  }

  .primary-nav,
  .utility-nav {
    display: none;
  }

  .menu-open .primary-nav,
  .menu-open .utility-nav {
    position: fixed;
    left: 0;
    right: 0;
    z-index: 99;
    display: flex;
    background: var(--paper);
  }

  .menu-open .primary-nav {
    top: 77px;
    bottom: 76px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 28px 24px;
  }

  .menu-open .primary-nav a {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.92rem;
  }

  .menu-open .utility-nav {
    bottom: 0;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    border-top: 1px solid var(--line);
  }

  .hero-grid {
    grid-template-columns: 1fr 0.8fr;
    gap: 48px;
  }

  .schedule-grid,
  .pricing-preview {
    grid-template-columns: 1fr;
  }

  .schedule-card {
    display: grid;
    grid-template-columns: 0.65fr 1.35fr;
    gap: 28px;
  }

  .session-list {
    padding: 0;
  }

  .course-shell {
    grid-template-columns: 290px minmax(0, 1fr);
  }

  .lesson-article {
    width: min(760px, calc(100vw - 350px));
  }
}

@media (max-width: 820px) {
  :root {
    --container: min(100% - 32px, 720px);
  }

  .hero {
    padding-top: 38px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    margin-bottom: 52px;
  }

  .hero-copy h1 {
    max-width: 620px;
  }

  .word-widget {
    width: min(560px, 100%);
    margin-inline: auto;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric:nth-child(2) {
    border-right: 0;
  }

  .metric:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .community-lead,
  .testimonial-shell,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .profile-card {
    position: static;
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 24px;
  }

  .profile-visual {
    grid-row: 1 / span 4;
    margin: 0;
  }

  .stack-list,
  .class-grid {
    grid-template-columns: 1fr;
  }

  .catalog-card {
    grid-template-columns: 52px 1fr auto;
  }

  .catalog-count {
    display: none;
  }

  .featured-class-header,
  .access-grid {
    grid-template-columns: 1fr;
  }

  .status-badge {
    justify-self: start;
  }

  .class-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .course-shell {
    display: block;
  }

  .course-sidebar {
    position: fixed;
    inset: 0 16% 0 0;
    z-index: 150;
    height: 100vh;
    transform: translateX(-105%);
    box-shadow: var(--shadow-2);
    transition: transform 240ms var(--ease);
  }

  .course-nav-open .course-sidebar {
    transform: translateX(0);
  }

  .course-nav-open .course-main::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 140;
    background: rgba(17, 18, 17, 0.62);
  }

  .course-mobile-header {
    min-height: 66px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
    border-bottom: 1px solid var(--line);
  }

  .course-mobile-header button {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--surface);
  }

  .course-mobile-header p {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 700;
  }

  .lesson-status {
    grid-template-columns: 1fr auto;
  }

  .lesson-status > div:first-child {
    display: none;
  }

  .lesson-article {
    width: min(100% - 36px, 740px);
    padding: 64px 0;
  }
}

@media (max-width: 560px) {
  .header-inner {
    width: calc(100vw - 28px);
    min-height: 68px;
  }

  .menu-open .primary-nav {
    top: 69px;
  }

  .hero {
    min-height: auto;
    padding-bottom: 72px;
  }

  .hero-meta {
    display: none;
  }

  .hero-copy h1 {
    font-size: clamp(3rem, 15vw, 4.5rem);
  }

  .hero-actions .button {
    flex: 1 1 150px;
  }

  .word-widget::before,
  .word-widget::after {
    display: none;
  }

  .word-panel {
    min-height: 330px;
    padding: 30px;
  }

  .manifesto,
  .section-pad {
    padding: 88px 0;
  }

  .metrics {
    margin-top: 58px;
    grid-template-columns: 1fr;
  }

  .metric,
  .metric:nth-child(2) {
    min-height: 130px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .metric-value {
    margin-bottom: 12px;
  }

  .catalog-card {
    grid-template-columns: 46px 1fr;
    gap: 14px;
    padding: 18px 0;
  }

  .catalog-action {
    grid-column: 2;
    justify-self: start;
    text-align: left;
  }

  .schedule-card {
    display: block;
  }

  .testimonial-track blockquote > p {
    font-size: 1.55rem;
  }

  .pricing-preview {
    gap: 12px;
  }

  .page-bar {
    min-height: 76px;
  }

  .page-bar > :last-child {
    display: none;
  }

  .page-intro {
    padding-top: 66px;
  }

  .profile-card {
    display: block;
  }

  .profile-visual {
    aspect-ratio: 16 / 10;
    margin-bottom: 22px;
  }

  .stack-list,
  .form-grid,
  .choice-grid,
  .answer-grid {
    grid-template-columns: 1fr;
  }

  .featured-class {
    padding: 24px;
    border-radius: var(--radius-md);
  }

  .class-meta-grid {
    grid-template-columns: 1fr;
  }

  .curriculum-row {
    grid-template-columns: 35px 1fr;
  }

  .curriculum-meta {
    grid-column: 2;
    justify-items: start;
  }

  .footer-inner {
    min-height: 180px;
    grid-template-columns: 1fr;
    align-content: center;
    gap: 14px;
  }

  .footer-inner nav {
    flex-wrap: wrap;
  }

  .lesson-status {
    gap: 12px;
    padding-inline: 18px;
  }

  .vocabulary-grid,
  .example-row {
    grid-template-columns: 1fr;
  }

  .example-row {
    gap: 6px;
  }

  .lesson-section {
    grid-template-columns: 1fr;
  }

  .lesson-source {
    grid-template-columns: 1fr;
    gap: 6px;
    margin-top: -26px;
  }

  .lesson-lead {
    margin-bottom: 54px;
  }

  .teaching-callout {
    padding: 22px;
  }

  .unit-quiz {
    padding: 22px;
  }

  .unit-quiz-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .listening-companion {
    padding: 22px;
  }

  .listening-companion-header {
    flex-direction: column;
    gap: 14px;
  }

  .listening-track-list li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
  }

  .listening-companion-footer {
    align-items: stretch;
  }

  .listening-source-link {
    width: 100%;
  }

  .quiz-options {
    grid-template-columns: 1fr;
    margin-left: 0;
  }

  .quiz-question-feedback {
    margin-left: 0;
  }

  .dialog-inner {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}