:root {
  color-scheme: light;
  --font: 'Noto Sans KR', sans-serif;
  --wordmark-font: 'Lora', serif;
  --bg:#F8F8F6;--surface:#FFFFFF;--outside:#EFEEE9;--ink:#1A1A1A;--ink2:#555555;--muted:#62615C;--line:#E1E0D9;--line-strong:#D3D2CA;--soft:#EFEEE9;
  --pri:#8A9B7C;--pri-press:#5A6E4E;--pri-text:#5A6E4E;--pri-hover:#A9B89B;--pri-soft:#EBEDE7;--pri-200:#C6CDBD;--brand:#8A9B7C;--on-pri:#171716;--good-title:#3F4A35;--bad-title:#8E332E;--bad-bg:#F3E8E6;
  --sh-card:0 1px 2px rgba(26,26,24,.05);--sh-hero:0 14px 30px rgba(86,96,73,.22);--r-card:20px;--r-btn:999px;
}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--bg:#1F1F1D;--surface:#262624;--outside:#2C2C2A;--ink:#F8F8F6;--ink2:#C2C1B6;--muted:#A3A19A;--line:#3A3A36;--line-strong:#7B7A79;--soft:#2C2C2A;--pri-press:#A9B89B;--pri-text:#8A9B7C;--pri-soft:#32352E;--pri-200:#4A5143;--brand:#A9B89B;--good-title:#B9C4AC;--bad-title:#FF9B96;--bad-bg:#382825;--sh-card:0 1px 4px rgba(0,0,0,.3);--sh-hero:0 18px 50px rgba(0,0,0,.38)}}
:root[data-theme="dark"]{color-scheme:dark;--bg:#1F1F1D;--surface:#262624;--outside:#2C2C2A;--ink:#F8F8F6;--ink2:#C2C1B6;--muted:#A3A19A;--line:#3A3A36;--line-strong:#7B7A79;--soft:#2C2C2A;--pri-press:#A9B89B;--pri-text:#8A9B7C;--pri-soft:#32352E;--pri-200:#4A5143;--brand:#A9B89B;--good-title:#B9C4AC;--bad-title:#FF9B96;--bad-bg:#382825;--sh-card:0 1px 4px rgba(0,0,0,.3);--sh-hero:0 18px 50px rgba(0,0,0,.38)}

:root{--font-sans:var(--font);--font-serif:var(--wordmark-font);--header-h:80px}
@media (max-width: 480px) {
  :root {
    --header-h: 64px;
  }
}

/* ---------- base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.65 var(--font-sans);
  letter-spacing: -0.025em;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
fieldset {
  margin: 0;
}
ul,
ol {
  padding: 0;
  list-style: none;
}
fieldset {
  padding: 0;
  border: 0;
  min-width: 0;
}
a {
  color: inherit;
}
button {
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
}
:focus-visible {
  outline: 3px solid var(--pri-press);
  outline-offset: 5px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.pre {
  white-space: pre-line;
}
html:not(.js) .js-only {
  display: none !important;
}
.page {
  overflow-x: clip;
}
.skip {
  position: absolute;
  left: 20px;
  top: -80px;
  z-index: 100;
  padding: 12px 20px;
  border-radius: var(--r-btn);
  background: var(--pri);
  color: var(--on-pri);
  font-weight: 650;
  text-decoration: none;
}
.skip:focus {
  top: 12px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- layout ---------- */
.wrap {
  width: calc(100% - 112px);
  max-width: 1200px;
  margin-inline: auto;
}
.section {
  padding: 129px 0 116px;
  border-top: 1px solid var(--line);
  scroll-margin-top: var(--header-h);
}
.section--soft {
  background: var(--soft);
}
.head {
  display: grid;
  gap: 18px;
  margin-bottom: 56px;
  max-width: 720px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--pri-text);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.5;
  letter-spacing: -0.01em;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--pri-text);
}
.h1 {
  font-size: clamp(44px, 4.55vw, 66px);
  line-height: 1.27;
  font-weight: 760;
  letter-spacing: -0.065em;
  text-wrap: balance;
}
.h2 {
  font-size: 47px;
  line-height: 1.27;
  font-weight: 800;
  letter-spacing: -0.055em;
  text-wrap: balance;
}
.h2--scroll {
  font-size: clamp(35px, 3.8vw, 54px);
  line-height: 1.22;
}
.lead {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink2);
}
.note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.cap {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

@media (max-width: 800px) {
  .section {
    padding: 80px 0;
  }
  .h2 {
    font-size: 39px;
  }
  .head {
    margin-bottom: 40px;
  }
}
@media (max-width: 480px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .h1 {
    font-size: 39px;
    line-height: 1.29;
  }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 53px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: var(--r-btn);
  font: 650 14px/1.5 var(--font-sans);
  letter-spacing: -0.01em;
  text-decoration: none;
  text-align: center;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.btn:active {
  transform: translateY(1px);
}
.btn--primary {
  background: var(--pri);
  color: var(--on-pri);
}
.btn--primary:hover {
  background: var(--pri-hover);
}
.btn--secondary {
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn--secondary:hover {
  border-color: var(--pri-press);
  background: var(--pri-soft);
}
.btn--quiet {
  min-height: 44px;
  padding: 8px 14px;
  color: var(--pri-text);
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
}
.btn--quiet:hover {
  color: var(--ink);
}
.btn[aria-disabled='true'] {
  opacity: 0.45;
  cursor: default;
}
.btn[aria-pressed='true'] {
  border-color: var(--pri-press);
  background: var(--pri-soft);
}
.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 2px 12px;
  border: 1px solid var(--pri-200);
  border-radius: var(--r-btn);
  background: var(--pri-soft);
  color: var(--pri-text);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.4;
  white-space: nowrap;
}
@media (max-width: 480px) {
  .btn {
    min-height: 49px;
    padding: 12px 21px;
    font-size: 12px;
  }
  .btn--quiet {
    min-height: 44px;
  }
}

/* ---------- header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.header__bar {
  display: flex;
  align-items: center;
  gap: 32px;
  width: calc(100% - 80px);
  max-width: 1320px;
  height: var(--header-h);
  margin-inline: auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  text-decoration: none;
}
.brand img {
  width: 40px;
  height: 40px;
}
.wordmark {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 31px;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--brand);
}
.nav {
  display: flex;
  gap: 4px;
}
.nav a,
.mpanel a.mlink {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--r-btn);
  color: var(--ink2);
  font-size: 15px;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.nav a:hover {
  background: var(--soft);
  color: var(--ink);
}
.header__tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.hbtn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-btn);
  font-size: 14px;
  color: var(--ink);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.hbtn:hover {
  background: var(--soft);
  border-color: var(--line-strong);
}
.hbtn svg {
  flex: none;
}
.hbtn--icon {
  justify-content: center;
  width: 44px;
  padding: 0;
}
.menu-btn {
  display: none;
}
.header__cta {
  min-height: 44px;
  padding: 8px 22px;
}
.pop-wrap {
  position: relative;
}
.pop {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  z-index: 60;
  width: 280px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--sh-card);
}
.pop__prompt {
  padding: 4px 8px 10px;
  color: var(--muted);
  font-size: 13px;
}
.pop__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border-radius: var(--r-btn);
  text-align: left;
  font-size: 16px;
}
.pop__item:hover {
  background: var(--soft);
}
.pop__item[aria-current='true'] {
  background: var(--pri-soft);
  color: var(--pri-text);
  font-weight: 650;
}
.pop__notice {
  margin-top: 10px;
  padding: 12px 16px;
  border: 1px solid var(--pri-200);
  border-radius: 14px;
  background: var(--pri-soft);
  color: var(--ink2);
  font-size: 14px;
  line-height: 1.6;
}
.mpanel {
  display: none;
}
.mpanel[hidden] {
  display: none;
}

@media (max-width: 960px) {
  .nav,
  .header__cta {
    display: none;
  }
  .menu-btn {
    display: inline-flex;
  }
  .header__bar {
    gap: 12px;
  }
  .hbtn__theme-label {
    display: none;
  }
  .hbtn--theme {
    width: 44px;
    justify-content: center;
    padding: 0;
  }
  .pop-wrap {
    position: static;
  }
  .pop {
    right: 18px;
    width: min(360px, calc(100% - 36px));
  }
  .mpanel {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    max-height: calc(100svh - var(--header-h));
    overflow-y: auto;
    padding: 12px 18px 28px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
  }
  .mpanel[hidden] {
    display: none;
  }
  html:not(.js) .mpanel[hidden] {
    display: block;
    position: static;
  }
  .mpanel nav {
    display: grid;
    border-bottom: 1px solid var(--line);
    padding: 8px 0;
  }
  .mpanel a.mlink {
    min-height: 48px;
    padding: 0 6px;
    border-radius: 0;
    font-size: 17px;
    color: var(--ink);
  }
  .mpanel__label {
    padding: 14px 6px 0;
    color: var(--muted);
    font-size: 13px;
  }
  .mpanel .btn {
    width: 100%;
    margin-top: 20px;
  }
}
@media (max-width: 480px) {
  .header__bar {
    width: calc(100% - 36px);
    gap: 10px;
  }
  .brand {
    gap: 8px;
  }
  .brand img {
    width: 32px;
    height: 32px;
  }
  .wordmark {
    font-size: 26px;
  }
  .hbtn {
    padding: 0 12px;
    gap: 6px;
  }
  .hbtn__chev {
    display: none;
  }
}

/* ---------- hero ---------- */
.hero {
  display: flex;
  align-items: center;
  min-height: 727px;
  padding: 74px 0 94px;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.04fr 1fr;
  align-items: center;
  gap: 70px;
}
.hero__copy {
  display: grid;
  gap: 28px;
  justify-items: start;
}
.hero__copy .lead {
  font-size: 17px;
  max-width: 34em;
}
.hero__course {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--ink2);
  font-size: 15px;
  font-weight: 600;
  border-bottom: 1px solid var(--line-strong);
}
.hero__stage {
  position: relative;
  padding: 36px 28px;
}
.hero__plane {
  position: absolute;
  inset: 0;
  border-radius: var(--r-card);
  background: var(--outside);
  transform: rotate(2.4deg);
}
.lesson {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--sh-hero);
  transform: rotate(-1.6deg);
}
.lesson__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.sentence {
  font-size: 39px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -0.035em;
}
.sentence--reserve {
  min-height: 4.35em;
}
.tr {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink2);
}
.fade {
  display: grid;
  gap: 6px;
  animation: fade-in 0.45s ease both;
}
.piece {
  border-radius: 12px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.piece--new,
.piece--diff {
  padding: 0 0.22em;
  margin: 0 -0.06em;
  background: var(--pri-soft);
  box-shadow: inset 0 0 0 1px var(--pri-200);
  color: var(--ink);
}
.piece--new {
  animation: piece-in 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.piece--past {
  color: var(--pri-text);
}
@keyframes piece-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1100px) {
  .hero__grid {
    gap: 40px;
  }
}
@media (max-width: 900px) {
  .hero {
    min-height: 0;
  }
  .hero__grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .hero {
    padding: 46px 0 41px;
  }
  .hero__grid {
    gap: 29px;
  }
  .hero__copy {
    gap: 22px;
  }
  .hero__stage {
    padding: 22px 10px;
  }
  .lesson {
    padding: 19px 20px;
    gap: 18px;
    transform: rotate(-1deg);
  }
  .hero__plane {
    transform: rotate(1.6deg);
  }
  .sentence {
    font-size: 29px;
    line-height: 1.45;
  }
  .tr {
    font-size: 16px;
  }
  .hero .btn-row,
  .hero .btn-row .btn {
    width: 100%;
  }
}

/* ---------- courses ---------- */
.course-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--sh-card);
}
.course-card__title {
  font-size: 47px;
  line-height: 1.27;
  font-weight: 800;
  letter-spacing: -0.055em;
}
.course-card__side {
  display: grid;
  align-content: start;
  gap: 16px;
  padding-left: 48px;
  border-left: 1px solid var(--line);
}
.course-card__count {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.04em;
}
.course-card__scope {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink2);
}
@media (max-width: 800px) {
  .course-card {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px 24px;
  }
  .course-card__title {
    font-size: 39px;
  }
  .course-card__side {
    padding: 28px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .course-card .btn {
    width: 100%;
  }
}

/* ---------- inside ---------- */
.inside__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: start;
}
.inside__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
  margin-top: 8px;
}
.inside__list li {
  display: grid;
  gap: 8px;
  padding: 24px 0;
  border-top: 1px solid var(--line-strong);
}
.inside__list h3 {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -0.04em;
}
.inside__list p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink2);
}
.textpane {
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--sh-card);
  overflow: hidden;
}
.textpane__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
}
.textpane__row {
  display: grid;
  gap: 2px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
}
.textpane__row .en {
  font-size: 20px;
  line-height: 1.5;
  font-weight: 650;
  letter-spacing: -0.03em;
}
.textpane__row .tr {
  font-size: 15px;
}
.textpane__gap {
  padding: 0;
  height: 14px;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}
.textpane__row:last-child {
  border-bottom: 0;
}
.inside__caption {
  margin-top: 14px;
  padding-inline: 8px;
}
@media (max-width: 1100px) {
  .inside__grid {
    gap: 40px;
  }
  .inside__list {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 900px) {
  .inside__grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .textpane__head,
  .textpane__row {
    padding-inline: 20px;
  }
}

/* ---------- plans ---------- */
.plans__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  max-width: 900px;
}
.plan {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--sh-card);
}
.plan--pro {
  border-color: var(--pri-200);
}
.plan h3 {
  font-size: 26px;
  line-height: 1.4;
  font-weight: 750;
  letter-spacing: -0.05em;
}
.plan p {
  flex: 1;
  color: var(--ink2);
  line-height: 1.8;
}
.plan .btn {
  margin-top: 12px;
}
.plans__price {
  margin-top: 28px;
}
@media (max-width: 800px) {
  .plans__grid {
    grid-template-columns: 1fr;
  }
  .plan {
    padding: 28px 24px;
  }
  .plan .btn {
    width: 100%;
  }
}

/* ---------- faq ---------- */
.faq__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  align-items: start;
}
.faq__grid .head {
  margin: 0;
  position: sticky;
  top: calc(var(--header-h) + 32px);
}
.faq details {
  border-bottom: 1px solid var(--line);
}
.faq details:first-child {
  border-top: 1px solid var(--line-strong);
}
.faq summary,
.level summary {
  list-style: none;
  cursor: pointer;
}
.faq summary::-webkit-details-marker,
.level summary::-webkit-details-marker {
  display: none;
}
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px 0;
  font-size: 19px;
  line-height: 1.5;
  font-weight: 650;
  letter-spacing: -0.04em;
}
.faq summary::before,
.faq summary::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 14px;
  height: 1.5px;
  margin-top: -0.75px;
  background: var(--pri-text);
  transition: transform 0.25s ease;
}
.faq summary::after {
  transform: rotate(90deg);
}
.faq details[open] summary::after {
  transform: rotate(0deg);
}
.faq summary {
  position: relative;
  padding-right: 40px;
}
.faq details p {
  padding: 0 40px 28px 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink2);
}
@media (max-width: 900px) {
  .faq__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .faq__grid .head {
    position: static;
  }
}

/* ---------- closing / footer ---------- */
.closing {
  position: relative;
  text-align: center;
  padding-bottom: 0;
}
.closing__inner {
  display: grid;
  justify-items: center;
  gap: 24px;
}
.closing__big {
  margin-top: 40px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(140px, 24vw, 340px);
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: var(--line);
  user-select: none;
  overflow: hidden;
  height: 0.62em;
}
.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 120px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
}
.footer__brand {
  display: grid;
  gap: 12px;
  justify-items: start;
}
.footer__brand .wordmark {
  font-size: 31px;
}
.footer__links {
  display: grid;
  align-content: start;
}
.footer__links a,
.footer__contact a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink2);
  font-size: 15px;
  text-decoration: none;
}
.footer__links a:hover,
.footer__contact a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.footer__contact {
  display: grid;
  align-content: start;
  gap: 2px;
}
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
@media (max-width: 800px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer {
    padding: 44px 0 120px;
  }
}

/* ---------- course page ---------- */
.crumbs {
  padding: 22px 0 0;
}
.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}
.crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.crumbs li + li::before {
  content: '';
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-top: 1px solid var(--muted);
  border-right: 1px solid var(--muted);
  transform: rotate(45deg);
}
.crumbs a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 4px;
  color: var(--ink2);
  font-size: 14px;
  text-decoration: none;
}
.crumbs a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.crumbs a[aria-current='page'] {
  color: var(--ink);
  font-weight: 650;
}
.hero--course {
  min-height: 640px;
  padding-top: 40px;
}
.facts {
  border-block: 1px solid var(--line);
  padding: 40px 0;
}
.facts__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr;
  gap: 40px;
  align-items: start;
}
.facts__item {
  font-size: 26px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -0.045em;
}
.facts__scope {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink2);
  padding-left: 40px;
  border-left: 1px solid var(--line-strong);
}
.outcomes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.outcomes__grid li {
  display: grid;
  align-content: start;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
}
.outcomes__grid h3 {
  font-size: 26px;
  line-height: 1.4;
  font-weight: 750;
  letter-spacing: -0.05em;
}
.outcomes__grid p {
  color: var(--ink2);
  line-height: 1.85;
}
.curr__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  align-items: start;
}
.curr__grid .head {
  margin: 0;
  position: sticky;
  top: calc(var(--header-h) + 32px);
}
.levels {
  display: grid;
  gap: 12px;
}
.level {
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--sh-card);
}
.level summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  padding: 24px 26px;
}
.level__name {
  font-size: 24px;
  line-height: 1.4;
  font-weight: 750;
  letter-spacing: -0.05em;
}
.level__toggle {
  display: inline-flex;
  align-items: center;
  align-self: start;
  gap: 8px;
  min-height: 28px;
  color: var(--pri-text);
  font-size: 13px;
  font-weight: 650;
}
.level__toggle::after {
  content: '';
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.25s ease, margin 0.25s ease;
}
.level[open] .level__toggle::after {
  transform: rotate(-135deg);
  margin-top: 3px;
}
.level .t-collapse,
.level[open] .t-expand {
  display: none;
}
.level[open] .t-collapse {
  display: inline;
}
.level__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.level__summary {
  grid-column: 1 / -1;
  color: var(--ink2);
  font-size: 15px;
  line-height: 1.75;
}
.chapters {
  border-top: 1px solid var(--line);
  margin: 0 26px;
  padding: 6px 0 12px;
}
.chapters li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.chapters li:last-child {
  border-bottom: 0;
}
.chapters__title {
  font-size: 16px;
  font-weight: 600;
}
.chapters__count {
  flex: none;
  color: var(--muted);
  font-size: 14px;
}
.other__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  max-width: 900px;
}
.other__card {
  display: grid;
  align-content: start;
  justify-items: start;
  gap: 12px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--sh-card);
}
.other__card h3 {
  font-size: 24px;
  line-height: 1.4;
  font-weight: 750;
  letter-spacing: -0.05em;
}
.other__card p {
  color: var(--ink2);
  line-height: 1.8;
}
@media (max-width: 1100px) {
  .curr__grid,
  .faq__grid {
    gap: 40px;
  }
}
@media (max-width: 900px) {
  .curr__grid {
    grid-template-columns: 1fr;
  }
  .curr__grid .head {
    position: static;
    margin-bottom: 8px;
  }
  .outcomes__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .facts__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .facts__scope {
    padding: 16px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-strong);
  }
  .other__grid {
    grid-template-columns: 1fr;
  }
  .hero--course {
    min-height: 0;
  }
}
@media (max-width: 480px) {
  .level summary {
    padding: 20px 18px;
  }
  .chapters {
    margin: 0 18px;
  }
  .level__name {
    font-size: 22px;
  }
  .facts {
    padding: 28px 0;
  }
  .facts__item {
    font-size: 22px;
  }
  .other__card {
    padding: 24px 22px;
  }
}

/* ---------- entry / 404 ---------- */
.entry {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 40px 0 120px;
}
.entry__card {
  display: grid;
  gap: 24px;
  width: min(520px, calc(100% - 40px));
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  box-shadow: var(--sh-card);
}
.entry__card h1 {
  font-size: 32px;
  line-height: 1.35;
  font-weight: 760;
  letter-spacing: -0.055em;
}
.entry__choices {
  display: grid;
  gap: 10px;
}
.choice {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  padding: 0 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-btn);
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.choice:hover {
  background: var(--soft);
}
.choice:has(input:checked) {
  border-color: var(--pri-press);
  background: var(--pri-soft);
}
.choice:has(input:focus-visible) {
  outline: 3px solid var(--pri-press);
  outline-offset: 5px;
}
.choice input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}
.remember {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-size: 15px;
  color: var(--ink2);
  cursor: pointer;
}
.remember input {
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--pri-press);
}
.nf {
  display: grid;
  justify-items: start;
  gap: 24px;
  padding: 120px 0 140px;
}
.nf .h1 {
  max-width: 14em;
}
@media (max-width: 480px) {
  .entry__card {
    padding: 28px 22px;
  }
  .nf {
    padding: 64px 0 80px;
  }
  .nf .btn-row,
  .nf .btn-row .btn {
    width: 100%;
  }
}


/* Static migration additions; every colour comes from the inherited tokens. */
[hidden]{display:none!important}
html{scroll-padding-top:calc(var(--header-h) + 20px)}
body{overflow-wrap:anywhere}
body:lang(ko){word-break:keep-all}
body:lang(en),body:lang(tr){word-break:normal}
button,a,summary{touch-action:manipulation}
button,a{-webkit-tap-highlight-color:transparent}
.hero__grid,.inside__grid,.curr__grid,.faq__grid,.facts__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.facts__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.5fr)}
.hero__grid{grid-template-columns:minmax(0,1.04fr) minmax(0,1fr)}
.hero__grid>*,.inside__grid>*,.curr__grid>*,.faq__grid>*,.footer__grid>*{min-width:0}
.btn,.chip{max-width:100%;white-space:normal;overflow-wrap:anywhere}
.brand{flex-shrink:0}
.pop-wrap>summary{list-style:none;cursor:pointer}
.pop-wrap>summary::-webkit-details-marker{display:none}
.pop-wrap[open]>.hbtn{background:var(--pri-soft)}
.pop__item{text-decoration:none;padding-block:10px;gap:12px}
.pop__notice{margin:4px 0 12px;font-size:13px}
.menu-btn{flex-shrink:0}
.menu-label-close{display:none}
.menu-btn[aria-expanded='true'] .menu-label-open{display:none}
.menu-btn[aria-expanded='true'] .menu-label-close{display:inline}
html:not(.js) .header{position:relative}
html:not(.js) .nav{display:flex;flex-wrap:wrap}
html:not(.js) .header__bar{height:auto;min-height:var(--header-h);flex-wrap:wrap;padding-block:12px}
html:not(.js) .header__tools{margin-left:0}
html:not(.js) .header__cta{display:inline-flex}
html:not(.js) .mpanel{display:none!important}
.mpanel{overflow-y:auto}
.mpanel nav:last-of-type{border-bottom:0}
.theme-names{display:none}
.hero-state{display:grid;gap:6px}
html.js .hero-state:not([data-current='true']){display:none}
html:not(.js) .hero-state+.hero-state{padding-top:24px;border-top:1px solid var(--line)}
.reading__cmp .lead{margin-top:12px}
.scene__stage.too-tall{position:relative;height:auto}
.scene.is-compact{height:auto}
.scene.is-compact .scene__stage{position:relative;height:auto}
.scene__states{grid-area:1/1;min-width:0}
.scene__card{min-width:0}
.scene__layer .tr{overflow-wrap:anywhere}
.scene__controls{min-width:0}
html:not(.js) .fade,html:not(.js) .piece--new{animation:none}
.screen-gallery{display:grid;gap:18px}
.screen-gallery__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.screen-gallery__controls{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.screen-gallery__controls .btn{flex:1;min-width:0}
.screen-shot{margin:0;display:flex;justify-content:center}
.screen-shot img{width:100%;height:auto;aspect-ratio:390/844}
.phone{width:min(287px,100%);border:6px solid var(--surface);border-radius:33px;overflow:hidden;box-shadow:var(--sh-hero);background:var(--bg)}
.shot-dark{display:none}
:root[data-theme='dark'] .shot-dark{display:block}
:root[data-theme='dark'] .shot-light{display:none}
@media(prefers-color-scheme:dark){:root:not([data-theme='light']) .shot-dark{display:block}:root:not([data-theme='light']) .shot-light{display:none}}
html.js .screen-gallery [data-screen]:not([data-current='true']){display:none}
.textpane__row .en{overflow-wrap:anywhere}
.other__card>a{display:grid;gap:12px;text-decoration:none;min-height:100%;width:100%}
.other__card:hover{border-color:var(--pri-press)}
.footer__languages{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:24px}
.footer__languages a{min-height:44px;display:inline-flex;align-items:center;color:var(--ink2)}
.footer{padding-bottom:56px}
.level-count-head{display:flex;justify-content:space-between;padding:0 26px 12px;color:var(--muted);font-size:13px}
.sound-summary{padding:24px 26px;display:grid;gap:12px}
.sound-summary h3{font-size:24px;line-height:1.4}
.sound-summary p{color:var(--ink2)}
.chapters li{align-items:flex-start;flex-wrap:wrap}
.chapters__title{flex:1;min-width:120px}
.chapters__count{white-space:normal}
.entry{padding-bottom:40px}
.entry__card{width:min(720px,calc(100% - 40px))}
.entry__intro{display:grid;gap:12px}
.entry__intro+.entry__intro{border-top:1px solid var(--line);padding-top:20px}
.entry__intro h2{font-size:24px;line-height:1.4}
.choice{padding-block:10px;flex-wrap:wrap;text-decoration:none}
.choice__words{display:grid;gap:4px}
.choice__continue{font-size:13px;font-weight:400;color:var(--ink2)}
.entry__preferences{display:grid;gap:8px}
.entry__preferences .remember{font-size:13px}
.entry__preferences .remember span{display:grid;gap:4px}
.choice[data-recommended='true']{border-color:var(--pri-press);background:var(--pri-soft)}
.recommendation{display:none}
.choice[data-recommended='true'] .recommendation{display:inline-flex}
@media(max-width:1100px){.nav a{font-size:14px;padding-inline:10px}.header__bar{gap:16px}.hbtn{padding-inline:10px}}
@media(max-width:960px){.header__cta{display:none}}
@media(max-width:900px){.hero__grid,.inside__grid,.curr__grid,.faq__grid,.facts__grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:480px){.header__tools{gap:6px}.hbtn{padding-inline:10px}.hbtn--theme,.hbtn--icon{padding:0;width:44px}.brand{gap:6px}.hero__copy .lead{font-size:16px}.inside__list{grid-template-columns:minmax(0,1fr)}.pop{max-height:calc(100svh - var(--header-h) - 28px);overflow-y:auto}.level summary{grid-template-columns:minmax(0,1fr) auto}.level__meta{gap:8px}.scene__controls .btn{font-size:12px}.entry__card{padding:28px 22px}.footer{padding-bottom:44px}}
.scene__states{display:grid}
.scene__states>.scene__layer{grid-area:1/1}
.has-compact-scene .scene{display:none!important}
.has-compact-scene .reading{display:block!important}
.faq .t-collapse,.faq details[open] .t-expand{display:none}
.faq details[open] .t-collapse{display:inline}
:root[data-motion='reduce'] *, :root[data-motion='reduce'] *::before, :root[data-motion='reduce'] *::after{animation:none!important;transition:none!important}
:root[data-motion='reduce']{scroll-behavior:auto}
:root[data-motion='reduce'] .scene{display:none!important}
:root[data-motion='reduce'] .reading{display:block!important}

.hero-state .sentence{min-height:4.35em}