:root {
  --bg: #f7f6f3;
  --surface: #f2f0eb;
  --card: #f8f7f4;
  --text: #111111;
  --muted: #a5a4a0;
  --muted-strong: #81807c;
  --line: #eceae5;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
  --blue: #2e63ff;
  --type-display: clamp(2rem, 3.25vw, 3.45rem);
  --type-subtitle: clamp(1.75rem, 2.8vw, 3rem);
  --type-body: 0.95rem;
  --type-meta: 0.86rem;
  --weight-display: 800;
  --weight-subtitle: 800;
  --weight-body: 500;
  --weight-meta: 600;
  --tracking-display: -0.07em;
  --tracking-subtitle: -0.07em;
  --tracking-body: -0.02em;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  overflow-x: clip;
}

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

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

summary {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.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;
}

.site {
  width: 100%;
  min-height: 100vh;
  background: var(--bg);
  overflow-x: clip;
}

.section {
  width: min(980px, calc(100vw - 220px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 28px;
}

.brand {
  font-size: var(--type-meta);
  font-weight: 800;
  letter-spacing: 0;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #6f6e6a;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
}

.topnav a {
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.topnav a:hover,
.topnav a:focus-visible,
.topnav a[aria-current="page"] {
  color: var(--text);
  border-color: currentColor;
}

.hero {
  padding-top: 92px;
  text-align: center;
}

.hero-copy {
  max-width: 860px;
  margin: 0 auto;
}

.hero h1,
.reviews-heading h2,
.pricing-heading h2,
.faq h2,
.cta h2 {
  margin: 0;
  font-size: var(--type-display);
  font-weight: var(--weight-display);
  line-height: 0.98;
  letter-spacing: var(--tracking-display);
}

.hero-subtitle,
.reviews-heading p,
.pricing-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: var(--type-subtitle);
  font-weight: var(--weight-subtitle);
  line-height: 0.98;
  letter-spacing: var(--tracking-subtitle);
}

.hero-gallery {
  display: grid;
  grid-template-columns: repeat(3, 248px);
  justify-content: center;
  align-items: start;
  column-gap: 30px;
  margin-top: 42px;
  perspective: 1400px;
}

.hero-card {
  overflow: hidden;
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.1);
  will-change: transform;
  background: transparent;
  backface-visibility: hidden;
  transform-style: preserve-3d;
}

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

.hero-card-left {
  width: 248px;
  height: 248px;
  margin-top: 18px;
}

.hero-card-center {
  width: 248px;
  height: 248px;
  margin-top: 62px;
}

.hero-card-right {
  width: 248px;
  height: 248px;
  margin-top: 14px;
}

.hero-body {
  margin: 26px auto 0;
  max-width: 430px;
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.28;
  letter-spacing: var(--tracking-body);
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 132px;
  margin-top: 24px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(46, 99, 255, 0.22);
}

.button-dark {
  background: #000000;
  color: #ffffff;
}

.button-light {
  background: #efede8;
  color: #111111;
}

.video-stage {
  position: relative;
  margin-top: 104px;
  isolation: isolate;
  padding-bottom: 54px;
}

.video-stage::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 104px;
  width: 100vw;
  height: calc(100% + 220px);
  background: linear-gradient(180deg, #f1efea 0%, #eeece7 100%);
  transform: translateX(-50%) skewY(-4deg);
  transform-origin: top center;
  z-index: 0;
  pointer-events: none;
}

.video-wrap,
.section-meta,
.topic-list,
.topic-table,
.topics-note,
.reviews-heading,
.reviews-orbit,
.pricing-heading,
.pricing-grid,
.faq-list,
.cta,
.footer {
  position: relative;
  z-index: 1;
}

.video-wrap {
  width: min(690px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 14px;
  background: #0f1020;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.08);
}

.video-wrap video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.section-meta {
  margin-top: 14px;
}

.section-kicker {
  margin: 0 0 8px;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
}

.section-copy,
.topic-text,
.topics-copy p {
  margin: 0;
  color: var(--muted-strong);
}

.section-copy {
  max-width: 280px;
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.38;
  letter-spacing: var(--tracking-body);
}

.topics {
  position: relative;
  margin-top: -92px;
  padding-top: 92px;
}

.topic-list {
  display: grid;
  gap: 34px;
}

.topic-item {
  display: grid;
  grid-template-columns: minmax(320px, 52%) minmax(240px, 48%);
  align-items: center;
  column-gap: 44px;
}

.topic-visual {
  background: #ff1308;
}

.topic-visual-1 {
  width: 86%;
  height: 194px;
}

.topic-visual-2 {
  width: 86%;
  height: 194px;
  margin-left: 34px;
}

.topic-visual-3 {
  width: 86%;
  height: 194px;
}

.topic-text {
  max-width: 430px;
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.38;
  letter-spacing: var(--tracking-body);
}

.topic-table {
  margin-top: 46px;
  padding: 0;
  list-style: none;
}

.topic-row {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 18px 2px;
  border-bottom: 1px solid var(--line);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
}

.topic-name {
  color: var(--text);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  letter-spacing: var(--tracking-body);
  line-height: 1.2;
}

.topics-note {
  margin-top: 72px;
}

.topics-copy {
  display: grid;
  justify-items: center;
  text-align: center;
}

.topics-copy h3 {
  margin: 0 0 10px;
  font-size: var(--type-body);
  font-weight: var(--weight-meta);
  letter-spacing: var(--tracking-body);
}

.topics-copy p {
  max-width: 600px;
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.38;
  letter-spacing: var(--tracking-body);
}

.topics-copy p + p {
  margin-top: 8px;
}

.signature {
  width: 42px;
  height: 30px;
  margin-top: 18px;
  border-left: 3px solid #111111;
  border-bottom: 3px solid #111111;
  border-radius: 0 0 0 15px;
  transform: skewX(-28deg);
}

.reviews {
  padding-top: 76px;
}

.reviews-heading,
.pricing-heading {
  text-align: center;
}

.reviews-orbit {
  position: relative;
  height: 240px;
  margin-top: 34px;
}

.review-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: url("./assets/review-core.png") center / cover no-repeat;
  box-shadow: 0 16px 24px rgba(120, 99, 255, 0.16);
}

.review {
  position: absolute;
  min-width: 110px;
  padding: 9px 12px;
  border-radius: 10px;
  background: #f0eeea;
  text-align: center;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
  line-height: 1.24;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.review::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  background: inherit;
  transform: rotate(45deg);
}

.review:hover {
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.06);
}

.review p {
  margin: 0;
}

.review-top-left:hover {
  transform: translate(-8px, -8px);
}

.review-top-right:hover {
  transform: translate(8px, -8px);
}

.review-bottom-left:hover {
  transform: translate(-8px, 6px);
}

.review-bottom-right:hover {
  transform: translate(8px, 6px);
}

.review-top-left {
  left: 158px;
  top: 18px;
}

.review-top-right {
  right: 150px;
  top: 10px;
}

.review-bottom-left {
  left: 148px;
  bottom: 18px;
}

.review-bottom-right {
  right: 146px;
  bottom: 18px;
}

.review-top-left::after {
  right: 22px;
  bottom: -5px;
}

.review-top-right::after {
  left: 22px;
  bottom: -5px;
}

.review-bottom-left::after {
  right: 22px;
  top: -5px;
}

.review-bottom-right::after {
  left: 22px;
  top: -5px;
}

.pricing {
  padding-top: 126px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 0.94fr 1.08fr 0.94fr;
  align-items: end;
  gap: 28px;
  max-width: 940px;
  margin: 68px auto 0;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  min-height: 420px;
  padding: 24px 26px 18px;
  border-radius: 26px;
  background: #fcfbf8;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.055);
  margin-top: 22px;
}

.pricing-card-active {
  background: #f2f0eb;
  z-index: 2;
  min-height: 446px;
  margin-top: 0;
  box-shadow: 0 30px 64px rgba(0, 0, 0, 0.16);
}

.pricing-label {
  color: #8d8b87;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
}

.pricing-price {
  margin-top: 26px;
  font-size: var(--type-subtitle);
  font-weight: var(--weight-subtitle);
  letter-spacing: var(--tracking-subtitle);
  line-height: 0.92;
}

.pricing-card ul {
  margin: 24px 0 0;
  padding-left: 0;
  list-style: none;
  color: #8b8985;
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.72;
  letter-spacing: var(--tracking-body);
}

.pricing-card li {
  position: relative;
  padding-left: 26px;
}

.pricing-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #9f9d98;
  font-weight: 700;
}

.pricing-card .button {
  width: 100%;
  min-width: 0;
  margin-top: auto;
  padding: 14px 22px;
  border-radius: 17px;
  font-size: var(--type-meta);
}

.pricing-card .button-light {
  background: #f1efea;
}

.pricing-card .button-dark {
  background: #000000;
}

.pricing-card .button:hover,
.pricing-card .button:focus-visible {
  background: var(--blue);
  color: #ffffff;
}

.faq {
  max-width: 940px;
  margin-top: 84px;
  padding-top: 52px;
  border-top: 1px solid var(--line);
}

.faq h2 {
  margin-bottom: 28px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border: 1px solid #e8e6e1;
  border-radius: 10px;
  background: #faf9f6;
  transition: box-shadow 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.faq-item.is-open {
  background: #fcfbf8;
  border-color: #e4e1da;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.03);
}

.faq-trigger {
  appearance: none;
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  position: relative;
  padding: 20px 54px 20px 18px;
  cursor: pointer;
  text-align: left;
  font-size: var(--type-body);
  font-weight: var(--weight-meta);
  letter-spacing: var(--tracking-body);
}

.faq-trigger:hover,
.faq-trigger:active,
.faq-trigger:focus,
.faq-trigger:focus-visible,
.faq-trigger:visited {
  color: var(--text);
  background: transparent;
  outline: none;
}

.faq-trigger::after {
  content: "⌄";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  transition: transform 220ms ease;
}

.faq-item.is-open .faq-trigger::after {
  transform: translateY(-50%) rotate(180deg);
}

.faq-panel {
  height: 0;
  overflow: hidden;
  color: #74736f;
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.42;
  letter-spacing: var(--tracking-body);
  transition: height 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.faq-panel-inner {
  padding: 0 18px 18px;
}

.cta {
  display: grid;
  justify-items: center;
  padding-top: 112px;
  padding-bottom: 28px;
  text-align: center;
}

.cta p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.24;
  letter-spacing: var(--tracking-body);
}

.footer {
  display: grid;
  gap: clamp(42px, 8vw, 86px);
  width: 100%;
  margin: 118px 0 0;
  padding: clamp(42px, 6vw, 72px) clamp(52px, 12vw, 150px) 18px;
  background: #edebe7;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) auto;
  align-items: start;
  gap: clamp(42px, 9vw, 128px);
}

.footer h2 {
  max-width: 470px;
  margin: 0;
  font-size: 6.2rem;
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: uppercase;
}

.footer-meta {
  display: grid;
  grid-template-columns: auto auto;
  gap: clamp(34px, 5vw, 76px);
  padding-top: 8px;
}

.footer-block {
  min-width: 0;
}

.footer-block p,
.footer-bottom p {
  margin: 0;
}

.footer-block p {
  margin-bottom: 10px;
  color: #151515;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
}

.footer-block a,
.footer-bottom {
  color: #73716d;
  font-size: 0.82rem;
  font-weight: var(--weight-body);
  line-height: 1.2;
  letter-spacing: 0;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.footer-social a,
.footer-block > a,
.footer-bottom a {
  border-bottom: 1px solid rgba(17, 17, 17, 0.18);
  transition: color 180ms ease, border-color 180ms ease;
}

.footer-social a:hover,
.footer-social a:focus-visible,
.footer-block > a:hover,
.footer-block > a:focus-visible,
.footer-bottom a:hover,
.footer-bottom a:focus-visible {
  color: var(--text);
  border-color: currentColor;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.member-site {
  padding-bottom: 90px;
}

.member-hero {
  padding-top: 78px;
  text-align: center;
}

.member-hero h1 {
  max-width: 760px;
  margin: 0 auto;
  font-size: var(--type-display);
  font-weight: var(--weight-display);
  line-height: 1;
  letter-spacing: var(--tracking-display);
}

.member-hero p:not(.section-kicker) {
  max-width: 620px;
  margin: 18px auto 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.45;
  letter-spacing: var(--tracking-body);
}

.member-grid,
.course-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 54px;
}

.member-grid-auth {
  grid-template-columns: minmax(0, 1180px);
  justify-content: center;
  margin-top: 76px;
}

.member-panel {
  display: grid;
  justify-items: center;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  text-align: center;
}

.member-panel h2 {
  margin: 0 0 22px;
  font-size: 1.35rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.account-view {
  display: grid;
  justify-items: center;
  width: 100%;
  gap: 18px;
}

.account-view[hidden] {
  display: none;
}

.account-view h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 7vw, 3.15rem);
  line-height: 0.98;
}

.member-intro {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.45;
  letter-spacing: var(--tracking-body);
}

.member-dashboard {
  display: grid;
  width: 100%;
  gap: clamp(88px, 10vw, 148px);
  margin-top: 68px;
  text-align: left;
}

.daily-vocab {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.62fr);
  gap: clamp(36px, 6vw, 92px);
  align-items: center;
  width: 100%;
  min-height: 560px;
  padding: 28px 0;
}

.daily-vocab-copy {
  display: grid;
  align-content: center;
}

.daily-vocab h3,
.member-section-heading h3 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.8rem);
  font-weight: var(--weight-display);
  line-height: 0.95;
  letter-spacing: var(--tracking-display);
}

.daily-sentence {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--text);
  font-size: clamp(1.45rem, 3vw, 2.9rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.daily-vocab img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  filter: saturate(0.95);
}

.daily-history {
  display: grid;
  gap: 12px;
  max-width: 520px;
  margin-top: 34px;
}

.daily-history article {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid #dedbd3;
  color: #9b9994;
  opacity: 0.62;
}

.daily-history span,
.member-video-item span,
.blog-item span,
.learning-list span {
  color: #8d8b87;
  font-size: var(--type-meta);
  font-weight: 700;
  letter-spacing: 0;
}

.daily-history p {
  margin: 0;
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.35;
  letter-spacing: var(--tracking-body);
}

.member-section {
  display: grid;
  gap: 42px;
}

.member-section-heading {
  display: grid;
  gap: 6px;
}

.member-section-heading h3 {
  font-size: clamp(1.7rem, 3.5vw, 3rem);
}

.member-video-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.learning-hub {
  gap: 46px;
  padding-top: 22px;
}

.video-tabbar,
.blog-category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tab-button {
  appearance: none;
  border: 1px solid #dedbd3;
  border-radius: 8px;
  background: transparent;
  color: #696763;
  cursor: pointer;
  padding: 9px 13px;
  font: inherit;
  font-size: var(--type-meta);
  font-weight: 700;
}

.tab-button[aria-pressed="true"],
.tab-button:hover,
.tab-button:focus-visible {
  background: #111111;
  border-color: #111111;
  color: #ffffff;
}

.featured-video {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
  padding: 46px 0 52px;
  border-top: 1px solid #dedbd3;
  border-bottom: 1px solid #dedbd3;
}

.featured-video img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
}

.featured-video div {
  display: grid;
  align-content: center;
  gap: 14px;
}

.featured-video span {
  color: #8d8b87;
  font-size: var(--type-meta);
  font-weight: 700;
}

.featured-video h4 {
  margin: 0;
  color: var(--text);
  font-size: clamp(2rem, 5vw, 4.7rem);
  line-height: 0.95;
  letter-spacing: var(--tracking-display);
}

.featured-video p {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.45;
  letter-spacing: var(--tracking-body);
}

.dashboard-video-grid,
.project-video-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 34px;
}

.dashboard-video-card {
  appearance: none;
  display: grid;
  gap: 9px;
  min-width: 0;
  border: 0;
  border-bottom: 1px solid #dedbd3;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 0 0 24px;
  text-align: left;
  font: inherit;
  transition: border-color 180ms ease, transform 180ms ease;
}

.dashboard-video-card:hover,
.dashboard-video-card:focus-visible {
  border-color: var(--text);
  transform: translateY(-3px);
}

.dashboard-video-card span {
  color: #8d8b87;
  font-size: var(--type-meta);
  font-weight: 700;
}

.dashboard-video-card strong {
  color: var(--text);
  font-size: 1.06rem;
  line-height: 1.15;
}

.dashboard-video-card p {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.35;
  letter-spacing: var(--tracking-body);
}

.member-video-item {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding-bottom: 24px;
  border-bottom: 1px solid #dedbd3;
  transition: transform 180ms ease, border-color 180ms ease;
}

.member-video-item:hover,
.member-video-item:focus-visible,
.learning-list a:hover,
.learning-list a:focus-visible,
.blog-item:hover {
  border-color: var(--text);
  transform: translateY(-3px);
}

.member-video-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
}

.member-video-item strong,
.blog-item h4,
.learning-list strong {
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.15;
  letter-spacing: 0;
}

.member-video-item p,
.blog-item p,
.learning-list p {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.35;
  letter-spacing: var(--tracking-body);
}

.member-split {
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  align-items: start;
  gap: clamp(34px, 6vw, 92px);
}

.member-blog,
.member-learning {
  display: grid;
  gap: 20px;
}

.blog-search input {
  width: 100%;
  border: 1px solid #ddd9cf;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  padding: 13px 14px;
  font: inherit;
  letter-spacing: 0;
}

.blog-list,
.learning-list {
  display: grid;
  gap: 18px;
}

.blog-item,
.learning-list a {
  appearance: none;
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 20px 0;
  border: 0;
  border-bottom: 1px solid #dedbd3;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: transform 180ms ease, border-color 180ms ease;
}

.blog-item[aria-pressed="true"] {
  border-color: var(--text);
}

.blog-item h4 {
  margin: 0;
}

.blog-item[hidden] {
  display: none;
}

.blog-reader {
  display: grid;
  align-content: start;
  gap: 20px;
  min-height: 420px;
  padding: 34px 0;
  border-top: 1px solid #dedbd3;
  border-bottom: 1px solid #dedbd3;
}

.blog-reader > span {
  color: #8d8b87;
  font-size: var(--type-meta);
  font-weight: 700;
}

.blog-reader h3 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.65rem, 3vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.blog-reader p {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.5;
  letter-spacing: var(--tracking-body);
}

.community-panel {
  display: grid;
  gap: 34px;
}

.community-shell {
  display: grid;
  grid-template-columns: minmax(190px, 0.28fr) minmax(0, 1fr);
  min-height: 520px;
  border-top: 1px solid #dedbd3;
  border-bottom: 1px solid #dedbd3;
}

.community-channels {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px 22px 22px 0;
  color: #777570;
  font-size: var(--type-meta);
  font-weight: 700;
}

.community-channels button {
  appearance: none;
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 10px 12px;
  text-align: left;
  font: inherit;
}

.community-channels button[aria-pressed="true"],
.community-channels button:hover,
.community-channels button:focus-visible {
  background: #efede8;
  color: var(--text);
}

.community-channels {
  border-right: 1px solid #dedbd3;
}

.community-chat {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 18px;
  padding: 28px 0 28px 28px;
}

.chat-messages {
  display: grid;
  align-content: start;
  gap: 18px;
  max-height: 410px;
  overflow: auto;
  padding-right: 8px;
}

.chat-messages article {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid #edeae2;
}

.chat-messages strong {
  font-size: var(--type-meta);
}

.chat-messages p {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.4;
  letter-spacing: var(--tracking-body);
}

.chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid #dedbd3;
}

.chat-form input,
.admin-form input,
.admin-form select,
.admin-form textarea {
  width: 100%;
  border: 1px solid #ddd9cf;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  padding: 12px 13px;
  font: inherit;
  letter-spacing: 0;
}

.chat-form .button,
.admin-form .button {
  margin-top: 0;
  border-radius: 8px;
}

.admin-panel {
  display: grid;
  gap: 36px;
  padding-top: 12px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(34px, 6vw, 92px);
  border-top: 1px solid #dedbd3;
  padding-top: 34px;
}

.admin-form {
  display: grid;
  align-content: start;
  gap: 14px;
}

.admin-form h4 {
  margin: 0 0 4px;
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1.1;
}

.admin-form label {
  display: grid;
  gap: 7px;
  color: #6f6e6a;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
}

.admin-form textarea {
  resize: vertical;
}

.admin-note {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.45;
  letter-spacing: var(--tracking-body);
}

.admin-note[data-tone="success"] {
  color: #296b3d;
}

.member-area-grid {
  display: grid;
  width: min(100%, 760px);
  gap: 12px;
  margin-top: 18px;
  text-align: left;
}

.member-area-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: 18px 0;
  border-bottom: 1px solid #dedbd3;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.member-area-item:first-child {
  border-top: 1px solid #dedbd3;
}

.member-area-item:hover,
.member-area-item:focus-visible {
  color: var(--blue);
  border-color: currentColor;
  transform: translateX(4px);
}

.member-area-item span {
  grid-row: span 2;
  color: #8d8b87;
  font-size: var(--type-meta);
  font-weight: 700;
}

.member-area-item strong {
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.member-area-item p {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.35;
  letter-spacing: var(--tracking-body);
}

.auth-form {
  display: grid;
  width: min(100%, 430px);
  gap: 16px;
  text-align: left;
}

.auth-form label {
  display: grid;
  gap: 8px;
  color: #6f6e6a;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
}

.auth-form input {
  width: 100%;
  border: 1px solid #ddd9cf;
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  padding: 13px 14px;
  font: inherit;
  letter-spacing: 0;
}

.auth-actions,
.member-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 6px;
}

.auth-actions .button,
.member-actions .button {
  margin-top: 0;
  border-radius: 8px;
}

.member-actions {
  margin-top: 4px;
}

.member-actions .button[disabled] {
  pointer-events: none;
  opacity: 0.48;
}

.member-actions .button[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.48;
}

.text-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: #6f6e6a;
  margin-top: 18px;
  padding: 0;
  cursor: pointer;
  font: inherit;
  font-size: var(--type-meta);
  font-weight: var(--weight-meta);
  text-decoration: underline;
}

.member-message,
.member-hint {
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.45;
  letter-spacing: var(--tracking-body);
}

.member-message {
  min-height: 22px;
  margin: 18px auto 0;
  text-align: center;
}

.member-message[data-tone="success"] {
  color: #296b3d;
}

.member-message[data-tone="warning"] {
  color: #7a5d12;
}

.member-message[data-tone="error"] {
  color: #a72b2b;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 8px;
  background: #efede8;
  color: #5c5a56;
  font-size: var(--type-meta);
  font-weight: 700;
  letter-spacing: 0;
}

.status-pill[data-status="active"] {
  background: #e6f3e7;
  color: #296b3d;
}

.status-pill[data-status="pending"] {
  background: #f6edd0;
  color: #7a5d12;
}

.member-hint {
  margin: 24px 0 0;
}

.course-shell {
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  align-items: start;
}

.course-player {
  min-height: 410px;
  overflow: hidden;
  border: 1px solid #e7e4dc;
  border-radius: 8px;
  background: #111111;
}

.course-player-placeholder {
  display: grid;
  min-height: 410px;
  place-items: center;
  align-content: center;
  gap: 18px;
  padding: 28px;
  color: #ffffff;
  text-align: center;
}

.course-player-placeholder p {
  max-width: 420px;
  margin: 0;
  color: #f2f0eb;
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.45;
  letter-spacing: var(--tracking-body);
}

.course-video {
  width: 100%;
  min-height: 410px;
  background: #111111;
}

.course-list {
  display: grid;
  gap: 14px;
}

.course-card {
  appearance: none;
  display: grid;
  gap: 8px;
  width: 100%;
  border: 1px solid #e7e4dc;
  border-radius: 8px;
  background: #fcfbf8;
  padding: 18px;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.course-card:hover,
.course-card:focus-visible,
.course-card.is-selected {
  border-color: #111111;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.055);
}

.course-card:disabled {
  cursor: not-allowed;
  opacity: 0.62;
  transform: none;
  box-shadow: none;
}

.course-card span {
  color: #8d8b87;
  font-size: var(--type-meta);
  font-weight: 700;
  letter-spacing: 0;
}

.course-card strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.course-card p {
  margin: 0;
  color: var(--muted-strong);
  font-size: var(--type-body);
  font-weight: var(--weight-body);
  line-height: 1.35;
  letter-spacing: var(--tracking-body);
}

@media (max-width: 1320px) {
  .section {
    width: min(100vw - 120px, 980px);
  }

  .hero-gallery {
    grid-template-columns: repeat(3, 220px);
    column-gap: 24px;
  }

  .hero-card-left,
  .hero-card-center,
  .hero-card-right {
    width: 220px;
    height: 220px;
  }

  .hero-card-left { margin-top: 14px; }
  .hero-card-right { margin-top: 44px; }

  .topic-item {
    column-gap: 34px;
  }

  .review-top-left {
    left: 104px;
  }

  .review-top-right {
    right: 102px;
  }

  .review-bottom-left {
    left: 96px;
  }

  .review-bottom-right {
    right: 94px;
  }
}

@media (max-width: 980px) {
  :root {
    --type-display: clamp(1.9rem, 8vw, 2.6rem);
    --type-subtitle: clamp(1.55rem, 7vw, 2.1rem);
    --type-body: 0.92rem;
    --type-meta: 0.82rem;
  }

  .section {
    width: calc(100vw - 32px);
  }

  .hero {
    padding-top: 70px;
  }

  .topbar {
    padding-top: 22px;
  }

  .hero-gallery {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    max-width: 360px;
    margin: 34px auto 0;
  }

  .hero-card-left,
  .hero-card-center,
  .hero-card-right {
    width: auto;
    height: auto;
    aspect-ratio: auto;
    margin: 0;
  }

  .hero-card-left {
    width: 128px;
    height: 128px;
    margin-top: 8px;
    margin-right: -14px;
    z-index: 1;
  }

  .hero-card-center {
    width: 142px;
    height: 142px;
    margin-top: 28px;
    z-index: 2;
  }

  .hero-card-right {
    width: 128px;
    height: 128px;
    margin-top: 6px;
    margin-left: -14px;
    z-index: 1;
  }

  .hero-body {
    max-width: 300px;
  }

  .video-stage {
    margin-top: 72px;
  }

  .video-stage::before {
    top: 72px;
    height: calc(100% + 170px);
  }

  .topics {
    margin-top: -66px;
    padding-top: 66px;
  }

  .topic-item {
    grid-template-columns: 1fr;
    row-gap: 18px;
  }

  .topic-visual-1,
  .topic-visual-2,
  .topic-visual-3 {
    width: min(100%, 300px);
    height: 150px;
    margin-left: 0;
  }

  .topic-text {
    max-width: 100%;
  }

  .reviews-orbit {
    height: auto;
    display: grid;
    gap: 14px;
    justify-items: center;
    padding-top: 86px;
  }

  .review-core {
    top: 30px;
  }

  .review {
    position: relative;
    inset: auto;
    min-width: min(100%, 170px);
  }

  .review::after {
    left: 50%;
    right: auto;
    top: auto;
    bottom: -5px;
    transform: translateX(-50%) rotate(45deg);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    gap: 18px;
  }

  .pricing-card-active {
    min-height: 420px;
    margin-top: 0;
    transform: none;
  }

  .pricing-card {
    margin-top: 0;
  }

  .faq-content {
    transition-duration: 220ms;
  }

  .cta {
    padding-top: 84px;
  }

  .footer {
    margin-top: 84px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer h2 {
    font-size: 4.4rem;
  }

  .footer-meta {
    justify-content: start;
    padding-top: 0;
  }

  .member-grid,
  .course-shell {
    grid-template-columns: 1fr;
  }

  .daily-vocab,
  .member-split,
  .featured-video,
  .community-shell,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .daily-vocab {
    min-height: 0;
    padding: 12px 0;
  }

  .member-video-list,
  .dashboard-video-grid,
  .project-video-list {
    grid-template-columns: 1fr;
  }

  .featured-video {
    padding: 34px 0;
  }

  .community-channels {
    border: 0;
    padding: 16px 0;
  }

  .community-channels {
    display: flex;
    flex-wrap: wrap;
  }

  .community-chat {
    border-top: 1px solid #dedbd3;
    border-bottom: 1px solid #dedbd3;
    padding: 18px 0;
  }

  .course-shell {
    max-width: 720px;
  }
}

@media (max-width: 640px) {
  :root {
    --type-display: clamp(1.8rem, 8vw, 2.3rem);
    --type-subtitle: clamp(1.2rem, 6vw, 1.7rem);
    --type-body: 0.9rem;
    --type-meta: 0.8rem;
  }

  .section {
    width: calc(100vw - 22px);
  }

  .hero {
    padding-top: 56px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topnav {
    flex-wrap: wrap;
    gap: 12px 16px;
  }

  .hero-gallery {
    max-width: 300px;
    margin-top: 28px;
  }

  .hero-card-left {
    width: 108px;
    height: 108px;
    margin-top: 8px;
    margin-right: -12px;
  }

  .hero-card-center {
    width: 122px;
    height: 122px;
    margin-top: 24px;
  }

  .hero-card-right {
    width: 108px;
    height: 108px;
    margin-top: 6px;
    margin-left: -12px;
  }

  .topic-list {
    gap: 28px;
  }

  .topic-visual-1,
  .topic-visual-2,
  .topic-visual-3 {
    height: 132px;
  }

  .pricing,
  .faq,
  .reviews {
    padding-top: 60px;
  }

  .video-stage::before {
    top: 70px;
    height: calc(100% + 130px);
  }

  .topics {
    margin-top: -48px;
    padding-top: 48px;
  }

  .footer {
    gap: 38px;
    padding: 32px 18px 16px;
  }

  .footer h2 {
    font-size: 2.7rem;
    line-height: 0.94;
  }

  .footer-meta {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .footer-social {
    font-size: 1rem;
  }

  .member-hero {
    padding-top: 54px;
    text-align: center;
  }

  .member-panel {
    padding: 0;
  }

  .member-dashboard {
    gap: 66px;
    margin-top: 48px;
  }

  .daily-vocab h3,
  .member-section-heading h3 {
    letter-spacing: -0.04em;
  }

  .daily-sentence {
    letter-spacing: -0.04em;
  }

  .daily-history {
    margin-top: 24px;
  }

  .featured-video {
    gap: 22px;
  }

  .dashboard-video-grid,
  .project-video-list {
    gap: 22px;
  }

  .member-split,
  .admin-grid {
    gap: 36px;
  }

  .community-shell {
    min-height: 0;
  }

  .chat-messages {
    max-height: 320px;
  }

  .chat-form {
    grid-template-columns: 1fr;
  }

  .auth-actions .button,
  .member-actions .button,
  .chat-form .button {
    width: 100%;
  }

  .course-player,
  .course-player-placeholder,
  .course-video {
    min-height: 280px;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}