@font-face {
  font-family: "Agora Sans";
  src: url("./assets/AgoraSans-Regular.subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Agora Sans";
  src: url("./assets/AgoraSans-SemiBold.subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Gowun Batang";
  src: url("./assets/GowunBatang-Regular.subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Gowun Batang";
  src: url("./assets/GowunBatang-Bold.subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --cream: #eee6d8;
  --paper: #f6f1e8;
  --paper-deep: #ddd0bc;
  --ink: #192019;
  --ink-soft: #454b42;
  --olive: #26362b;
  --olive-deep: #15241c;
  --clay: #b6573a;
  --clay-deep: #843c2a;
  --sun: #e8c76e;
  --tutor: #3559d4;
  --tutor-soft: #e9edfb;
  --deeper: #d95a3b;
  --deeper-soft: #f8e7df;
  --white: #fffdf8;
  --shell: min(1240px, calc(100vw - 80px));
  --header-height: 74px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--cream);
}

body {
  margin: 0;
  min-width: 280px;
  color: var(--ink);
  background: var(--cream);
  font-family: "Agora Sans", "Pretendard", system-ui, sans-serif;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-rendering: optimizeLegibility;
}

body.is-locked {
  overflow: hidden;
}

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

a {
  color: inherit;
}

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

button {
  color: inherit;
  font: inherit;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

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

:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px var(--ink);
}

.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;
}

.page-shell {
  position: relative;
  z-index: 2;
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--header-height);
  padding-inline: max(28px, calc((100vw - 1440px) / 2));
  color: var(--white);
  transition:
    color 240ms ease,
    background-color 240ms ease,
    box-shadow 240ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgb(246 241 232 / 94%);
  box-shadow: 0 1px 0 rgb(25 32 25 / 12%);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  justify-self: start;
  align-items: center;
  width: 120px;
  filter: brightness(0) invert(1);
  transition: filter 240ms ease;
}

.site-header.is-scrolled .brand {
  filter: brightness(0) saturate(100%);
}

.brand img,
.footer-brand img {
  width: 100%;
  height: auto;
}

.site-header nav {
  display: flex;
  gap: 24px;
  font-size: 13px;
  font-weight: 600;
}

.site-header nav a {
  text-decoration: none;
}

.header-cta {
  display: inline-flex;
  justify-self: end;
  align-items: center;
  gap: 16px;
  min-height: 42px;
  padding: 0 18px;
  color: var(--ink);
  background: var(--sun);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.scene {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: calc(var(--header-height) + 48px) 0 72px;
  overflow: clip;
}

.scene-media {
  position: absolute;
  z-index: 0;
  inset: 0;
  margin: 0;
  background: var(--olive-deep);
}

.scene-media img,
.questions-media img,
.identity-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-media.is-missing img,
.questions-media.is-missing img,
.identity-media.is-missing img {
  display: none;
}

.scene-shade {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(90deg, rgb(12 18 13 / 82%) 0%, rgb(12 18 13 / 60%) 42%, rgb(12 18 13 / 8%) 74%);
}

.eyebrow {
  margin: 0 0 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

p,
blockquote {
  text-wrap: pretty;
}

h1,
h2,
h3,
blockquote {
  font-family: "Gowun Batang", Georgia, serif;
}

h1,
h2 {
  margin-bottom: 24px;
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.phrase {
  display: inline-block;
  white-space: nowrap;
}

#stalled-title > .phrase {
  display: block;
}

.phrase--closing {
  letter-spacing: -0.1em;
}

h1 {
  font-size: clamp(46px, 5vw, 78px);
}

h2 {
  font-size: clamp(38px, 4.35vw, 68px);
}

h1 em,
h2 em {
  color: var(--clay);
  font-style: normal;
}

h1 > em,
h2 > em,
h1 > em.phrase,
h2 > em.phrase {
  display: block;
}

.scene-copy > p:last-child,
.scene-heading > p:last-child,
.lead {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.75;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 58px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform 180ms var(--ease),
    background-color 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

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

.button--clay:hover {
  background: var(--clay-deep);
}

.button--sun {
  color: var(--ink);
  background: var(--sun);
}

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

.button--ink:hover {
  background: var(--olive-deep);
}

/* 01 — 광장 밖 */
.hero {
  align-items: flex-end;
  min-height: max(100svh, 760px);
  color: var(--white);
  padding-bottom: clamp(64px, 9vh, 108px);
}

.hero-media img {
  object-position: 62% center;
}

.hero-copy {
  max-width: 820px;
}

.hero h1 {
  max-width: 820px;
}

.hero h1 em {
  color: var(--sun);
}

.hero .lead {
  max-width: 650px;
  margin-bottom: 34px;
  color: rgb(255 253 248 / 83%);
}

.hero-proofline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 22px 0 0;
  color: rgb(255 253 248 / 68%);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-proofline span + span::before {
  margin-right: 20px;
  color: var(--sun);
  content: "·";
}

/* 02 — 미뤄온 시간 */
.stalled {
  background: var(--cream);
}

.scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(460px, 1.08fr);
  gap: clamp(56px, 7vw, 112px);
  align-items: center;
}

.moment-stage {
  position: relative;
  min-height: 500px;
  padding: clamp(42px, 5vw, 76px);
  color: var(--white);
  background:
    linear-gradient(145deg, rgb(21 36 28 / 96%), rgb(38 54 43 / 91%)),
    var(--olive);
}

.moment {
  min-height: 310px;
  animation: stage-in 460ms var(--ease) both;
}

.moment-word {
  margin-bottom: 68px;
  color: var(--sun);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.moment h3 {
  margin-bottom: 30px;
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 400;
}

.moment blockquote {
  max-width: 450px;
  margin-bottom: 0;
  color: rgb(255 253 248 / 78%);
  font-size: clamp(20px, 2.1vw, 29px);
  line-height: 1.55;
}

.stage-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stage-count {
  margin-right: auto;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.stage-controls button {
  width: 48px;
  height: 44px;
  border: 1px solid rgb(255 253 248 / 38%);
  color: var(--white);
  background: transparent;
  cursor: pointer;
}

.stage-controls button:disabled {
  opacity: 0.28;
  cursor: default;
}

/* 03 — 순서 */
.reframe {
  color: var(--white);
  background: var(--olive-deep);
}

.reframe-layout {
  display: grid;
  gap: clamp(42px, 7vh, 76px);
}

.scene-copy--center {
  max-width: 960px;
  margin-inline: auto;
  text-align: center;
}

.scene-copy--center > p:last-child {
  margin-inline: auto;
  color: rgb(255 253 248 / 64%);
}

.reframe h2 em {
  color: var(--sun);
}

.routes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1050px;
  margin-inline: auto;
  width: 100%;
}

.route {
  min-height: 180px;
  padding: 34px 38px;
}

.route span {
  display: block;
  margin-bottom: 42px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.route p {
  margin-bottom: 0;
  font-family: "Gowun Batang", Georgia, serif;
  font-size: clamp(17px, 1.8vw, 24px);
  line-height: 1.55;
}

.route--muted {
  color: rgb(255 253 248 / 58%);
  background: rgb(255 253 248 / 6%);
}

.route--active {
  color: var(--ink);
  background: var(--sun);
}

/* 04 — 문장 변화 */
.change {
  background: var(--paper);
}

.scene-heading {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1.45fr);
  grid-template-areas:
    "eyebrow title"
    "description title";
  column-gap: 52px;
  row-gap: 28px;
  align-items: end;
  margin-bottom: clamp(30px, 4vh, 46px);
}

.scene-heading .eyebrow {
  grid-area: eyebrow;
  margin-bottom: 0;
}

.scene-heading h2 {
  grid-area: title;
  margin-bottom: 0;
  font-size: clamp(38px, 3.9vw, 60px);
}

.scene-heading > p:last-child {
  grid-area: description;
}

.thought-lab {
  color: var(--white);
  background: var(--olive);
}

.thought-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--olive-deep);
}

.thought-tabs button {
  min-height: 58px;
  border: 0;
  color: rgb(255 253 248 / 55%);
  background: transparent;
  font-size: 13px;
  cursor: pointer;
}

.thought-tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--sun);
  font-weight: 600;
}

.thought-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) auto minmax(0, 1.2fr);
  gap: clamp(26px, 4vw, 64px);
  align-items: stretch;
  min-height: 300px;
  padding: clamp(30px, 3.2vw, 46px);
}

.thought-panel > div {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.thought-panel span {
  display: block;
  margin-bottom: 34px;
  color: var(--sun);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.thought-panel blockquote {
  margin-bottom: 0;
  font-size: clamp(19px, 1.7vw, 25px);
  line-height: 1.62;
}

.thought-before blockquote {
  color: rgb(255 253 248 / 62%);
}

.thought-after blockquote {
  color: var(--white);
}

.thought-after strong {
  color: var(--sun);
  font-weight: 700;
}

.thought-turn {
  align-self: center;
  margin: 0;
  color: var(--sun);
  font-family: "Gowun Batang", Georgia, serif;
  font-size: 19px;
}

/* 05 — 사고법 */
.method {
  background: var(--cream);
}

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(560px, 1.14fr);
  gap: clamp(64px, 8vw, 132px);
  align-items: center;
}

.method-console {
  background: var(--paper-deep);
}

.method-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--olive-deep);
}

.method-list button {
  min-height: 96px;
  padding: 14px 10px;
  border: 0;
  color: rgb(255 253 248 / 55%);
  background: transparent;
  cursor: pointer;
}

.method-list button[aria-selected="true"] {
  color: var(--ink);
  background: var(--sun);
}

.method-list span,
.method-list b {
  display: block;
}

.method-list span {
  margin-bottom: 10px;
  font-size: 12px;
}

.method-list b {
  font-size: 13px;
}

.method-example {
  min-height: 310px;
  padding: clamp(34px, 4vw, 58px);
}

.method-example > span {
  display: block;
  margin-bottom: 48px;
  color: var(--clay-deep);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.method-example blockquote {
  margin-bottom: 36px;
  font-size: clamp(24px, 2.6vw, 38px);
  line-height: 1.45;
}

.method-example p {
  margin-bottom: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

/* 06 — 생각을 대신하지 않는 두 조력자 */
.companions {
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 18%, rgb(53 89 212 / 9%), transparent 26%),
    radial-gradient(circle at 88% 82%, rgb(217 90 59 / 10%), transparent 28%),
    var(--paper);
}

.companions-layout {
  display: grid;
  gap: clamp(34px, 5vh, 58px);
}

.companions-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: clamp(50px, 8vw, 120px);
  align-items: end;
}

.companions-heading h2 {
  margin-bottom: 0;
}

.companions-heading h2 em {
  color: var(--clay);
}

.companions-heading > p {
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.8;
}

.companions-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.2fr) minmax(0, 0.9fr);
  gap: 16px;
  align-items: stretch;
}

.companion-card,
.companion-dialogue {
  min-height: 330px;
  padding: clamp(26px, 3vw, 38px);
}

.companion-card {
  display: flex;
  flex-direction: column;
  border: 1px solid rgb(25 32 25 / 14%);
  background: rgb(255 253 248 / 72%);
}

.companion-card--tutor {
  border-top: 5px solid var(--tutor);
}

.companion-card--deeper {
  border-top: 5px solid var(--deeper);
}

.companion-title {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}

.companion-mark {
  display: grid;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
}

.companion-card--tutor .companion-mark {
  background: var(--tutor);
}

.companion-card--deeper .companion-mark {
  background: var(--deeper);
}

.companion-title small {
  display: block;
  margin-bottom: 5px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.companion-card--tutor .companion-title small {
  color: var(--tutor);
}

.companion-card--deeper .companion-title small {
  color: var(--deeper);
}

.companion-title h3 {
  margin-bottom: 0;
  font-family: "Agora Sans", "Pretendard", system-ui, sans-serif;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.companion-card > p {
  margin-bottom: 30px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.prompt-set {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
}

.prompt-set span {
  padding: 8px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.companion-card--tutor .prompt-set span {
  color: #2846ad;
  background: var(--tutor-soft);
}

.companion-card--deeper .prompt-set span {
  color: #9d3d28;
  background: var(--deeper-soft);
}

.companion-dialogue {
  display: grid;
  align-content: center;
  gap: 12px;
  color: var(--white);
  background: var(--olive-deep);
}

.companion-dialogue p {
  max-width: 92%;
  margin: 0;
  padding: 14px 16px;
  font-family: "Agora Sans", "Pretendard", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.dialogue-user {
  justify-self: end;
  color: var(--ink);
  background: var(--sun);
}

.dialogue-tutor {
  justify-self: start;
  border-left: 3px solid #7690ef;
  background: rgb(53 89 212 / 22%);
}

.dialogue-deeper {
  justify-self: start;
  border-left: 3px solid #ef856d;
  background: rgb(217 90 59 / 20%);
}

.companion-dialogue b {
  display: block;
  margin-bottom: 3px;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.companion-dialogue strong {
  color: var(--sun);
}

.companion-dialogue > span {
  margin-top: 6px;
  color: rgb(255 253 248 / 54%);
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
}

.companions-cta {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgb(25 32 25 / 18%);
}

.companions-cta p {
  margin-bottom: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* 07 — LifeOS 첫 판단 */
.sample {
  color: var(--white);
  background: var(--olive-deep);
}

.scene-shade--sample {
  background:
    linear-gradient(90deg, rgb(9 14 11 / 90%) 0%, rgb(9 14 11 / 72%) 45%, rgb(9 14 11 / 24%) 100%),
    linear-gradient(0deg, rgb(9 14 11 / 52%), transparent 50%);
}

.sample .scene-media img {
  object-position: 64% center;
}

.sample-layout {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 32px;
}

.sample-copy {
  max-width: 680px;
}

.sample-copy h2 {
  font-size: clamp(38px, 3.8vw, 60px);
}

.sample-copy h2 em {
  color: var(--sun);
}

.sample-copy > p:last-child {
  max-width: 650px;
  margin-bottom: 0;
  color: rgb(255 253 248 / 75%);
  font-size: 17px;
  line-height: 1.75;
}

.experiment {
  width: min(520px, 100%);
  padding: 30px;
  color: var(--ink);
  background: rgb(246 241 232 / 94%);
  backdrop-filter: blur(14px);
}

.experiment-actions {
  display: grid;
  gap: 8px;
}

.experiment-actions button {
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid rgb(25 32 25 / 24%);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.experiment-actions button:hover,
.experiment-actions button[aria-checked="true"] {
  border-color: var(--clay);
  color: var(--white);
  background: var(--clay);
}

.experiment-response {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgb(25 32 25 / 18%);
}

.experiment-response span {
  display: block;
  margin-bottom: 10px;
  color: var(--clay-deep);
  font-size: 12px;
  font-weight: 600;
}

.experiment-response p {
  margin-bottom: 0;
  font-family: "Gowun Batang", Georgia, serif;
  font-size: 18px;
  line-height: 1.6;
}

.experiment .button {
  width: 100%;
  margin-top: 24px;
}

/* 07 — 질문 세계 */
.questions {
  background: var(--paper);
}

.questions-media {
  position: absolute;
  z-index: 0;
  inset: 0;
  margin: 0;
  background: var(--paper-deep);
}

.questions-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, var(--paper) 0%, rgb(246 241 232 / 96%) 38%, rgb(246 241 232 / 26%) 72%, transparent 100%);
}

.questions-media img {
  object-position: 56% center;
}

.questions-layout {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 30px;
}

.questions .scene-copy {
  max-width: 650px;
}

.questions .scene-copy h2 {
  font-size: clamp(38px, 3.7vw, 58px);
}

.question-world {
  width: min(650px, 100%);
  color: var(--white);
  background: rgb(21 36 28 / 92%);
  backdrop-filter: blur(12px);
}

.world-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.world-tabs button {
  display: grid;
  gap: 4px;
  place-content: center;
  min-height: 58px;
  border: 0;
  color: rgb(255 253 248 / 57%);
  background: rgb(0 0 0 / 18%);
  cursor: pointer;
}

.world-tabs button span {
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}

.world-tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--sun);
  font-weight: 600;
}

.world-panel {
  min-height: 320px;
  padding: clamp(32px, 4vw, 48px);
}

.world-panel > span {
  display: block;
  margin-bottom: 28px;
  color: var(--sun);
  font-size: 12px;
  font-weight: 600;
}

.world-panel h3 {
  margin-bottom: 24px;
  font-size: clamp(28px, 2.8vw, 42px);
  font-weight: 400;
  line-height: 1.3;
  white-space: pre-line;
}

.world-panel > p {
  margin-bottom: 26px;
  color: rgb(255 253 248 / 68%);
  line-height: 1.65;
}

.world-more {
  display: grid;
  gap: 10px;
  color: rgb(255 253 248 / 60%);
  font-size: 13px;
  line-height: 1.55;
}

/* 08 — 12강 커리큘럼 */
.curriculum {
  align-items: flex-start;
  min-height: auto;
  padding-block: 118px;
  background:
    linear-gradient(90deg, rgb(25 32 25 / 5%) 1px, transparent 1px) 0 0 / 25% 100%,
    var(--cream);
}

.curriculum-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  min-width: 0;
}

.curriculum-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: clamp(52px, 8vw, 120px);
  align-items: end;
  min-width: 0;
}

.curriculum-heading > * {
  min-width: 0;
}

.curriculum-heading h2 {
  max-width: 860px;
  margin-bottom: 0;
  font-size: clamp(40px, 4.5vw, 68px);
}

.curriculum-heading h2 em {
  color: var(--clay);
}

.curriculum-heading > p {
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.curriculum-progress {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgb(25 32 25 / 22%);
  background: rgb(246 241 232 / 72%);
}

.curriculum-progress span {
  display: flex;
  gap: 14px;
  align-items: center;
  min-height: 62px;
  padding: 0 20px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

.curriculum-progress span + span {
  border-left: 1px solid rgb(25 32 25 / 16%);
}

.curriculum-progress b {
  color: var(--clay);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  min-width: 0;
  width: 100%;
  max-width: 100%;
}

.curriculum-part {
  align-self: start;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  border: 1px solid rgb(25 32 25 / 20%);
  background: rgb(246 241 232 / 88%);
}

.curriculum-part summary {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) 28px;
  gap: 16px;
  align-items: center;
  min-height: 96px;
  padding: 18px 22px;
  list-style: none;
  cursor: pointer;
}

.curriculum-part summary::-webkit-details-marker {
  display: none;
}

.curriculum-part summary > span:nth-child(2) {
  display: grid;
  gap: 6px;
}

.curriculum-part summary strong {
  font-family: "Gowun Batang", Georgia, serif;
  font-size: 22px;
  line-height: 1.35;
}

.curriculum-part summary small {
  color: var(--ink-soft);
  font-size: 12px;
}

.curriculum-part summary i {
  color: var(--clay);
  font-size: 22px;
  font-style: normal;
  text-align: center;
  transition: transform 180ms ease;
}

.curriculum-part[open] summary i {
  transform: rotate(45deg);
}

.part-number {
  color: var(--clay-deep);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.part-lessons {
  display: grid;
  min-width: 0;
  border-top: 1px solid rgb(25 32 25 / 16%);
}

.curriculum-lesson {
  display: grid;
  gap: 16px;
  min-width: 0;
  min-height: 294px;
  padding: 26px 28px 28px;
  border-bottom: 1px solid rgb(25 32 25 / 13%);
}

.curriculum-lesson:last-child {
  border-bottom: 0;
}

.curriculum-lesson header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--clay-deep);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.curriculum-lesson header strong {
  padding: 7px 10px;
  color: var(--ink);
  background: var(--sun);
  font-size: 10px;
}

.curriculum-lesson h3 {
  max-width: 520px;
  margin-bottom: 0;
  font-family: "Gowun Batang", Georgia, serif;
  font-size: clamp(21px, 1.65vw, 27px);
  font-weight: 700;
  line-height: 1.45;
}

.curriculum-lesson dl {
  display: grid;
  align-self: end;
  gap: 9px;
  margin: 0;
}

.curriculum-lesson dl div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
}

.curriculum-lesson dt {
  color: var(--ink-soft);
  font-size: 11px;
}

.curriculum-lesson dd {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
}

.curriculum-lesson--open {
  color: var(--white);
  background: var(--olive-deep);
  box-shadow: inset 5px 0 var(--sun);
}

.curriculum-lesson--open header,
.curriculum-lesson--open dt {
  color: rgb(255 253 248 / 62%);
}

.curriculum-lesson--open > a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 46px;
  padding: 0 16px;
  color: var(--ink);
  background: var(--sun);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
}

/* 09 — 대화하는 사람 */
.identity {
  min-height: max(100svh, 820px);
  color: var(--white);
  background: var(--olive-deep);
}

.identity-media {
  position: absolute;
  z-index: 0;
  inset: 0;
  background: var(--olive-deep);
}

.identity-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgb(10 17 12 / 88%) 0%, rgb(10 17 12 / 66%) 42%, rgb(10 17 12 / 14%) 76%),
    linear-gradient(0deg, rgb(10 17 12 / 66%), transparent 52%);
}

.identity-media img {
  object-position: 60% center;
}

.identity-layout {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 30px;
}

.identity-copy > p:last-child {
  color: rgb(255 253 248 / 70%);
}

.identity-copy {
  max-width: 680px;
}

.identity-copy h2 {
  font-size: clamp(38px, 3.7vw, 58px);
}

.identity h2 em {
  color: var(--sun);
}

.voice-stage {
  width: min(650px, 100%);
  color: var(--ink);
  background: rgb(246 241 232 / 94%);
  backdrop-filter: blur(14px);
}

.voice-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--paper-deep);
}

.voice-tabs button {
  min-height: 54px;
  border: 0;
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
}

.voice-tabs button[aria-selected="true"] {
  color: var(--white);
  background: var(--clay);
  font-weight: 600;
}

.voice-panel {
  min-height: 310px;
  padding: clamp(28px, 4vw, 52px);
}

.voice-panel > div {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 18px;
}

.voice-panel > div + div {
  margin-top: 34px;
}

.voice-panel span {
  color: var(--clay-deep);
  font-size: 12px;
  font-weight: 600;
}

.voice-panel p {
  margin-bottom: 0;
  font-family: "Gowun Batang", Georgia, serif;
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.6;
}

.learning-ledger {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(980px, 100%);
  border: 1px solid rgb(255 253 248 / 26%);
  background: rgb(12 19 14 / 72%);
  backdrop-filter: blur(14px);
}

.learning-ledger p {
  display: grid;
  gap: 9px;
  min-height: 150px;
  margin: 0;
  padding: 24px;
}

.learning-ledger p + p {
  border-left: 1px solid rgb(255 253 248 / 18%);
}

.learning-ledger span {
  color: var(--sun);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.learning-ledger b {
  color: var(--white);
  font-size: 15px;
}

.learning-ledger small {
  color: rgb(255 253 248 / 60%);
  font-size: 12px;
  line-height: 1.55;
}

.judgment-charter {
  display: grid;
  grid-template-columns: minmax(230px, 0.7fr) minmax(0, 1.3fr);
  gap: 34px;
  width: min(980px, 100%);
  padding: 28px;
  border: 1px solid rgb(232 199 110 / 55%);
  background: rgb(12 19 14 / 78%);
  backdrop-filter: blur(14px);
}

.judgment-charter > div > span {
  display: block;
  margin-bottom: 14px;
  color: var(--sun);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.judgment-charter h3 {
  margin-bottom: 10px;
  color: var(--white);
  font-family: "Gowun Batang", Georgia, serif;
  font-size: 25px;
}

.judgment-charter p {
  margin-bottom: 0;
  color: rgb(255 253 248 / 58%);
  font-size: 12px;
  line-height: 1.65;
}

.judgment-charter ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.judgment-charter li {
  display: flex;
  gap: 10px;
  align-items: center;
  min-height: 42px;
  padding: 6px 14px;
  border-bottom: 1px solid rgb(255 253 248 / 14%);
  color: rgb(255 253 248 / 78%);
  font-size: 12px;
  line-height: 1.4;
}

.judgment-charter li::before {
  color: var(--sun);
  content: "·";
}

/* 10 — 문턱 */
.fit {
  background: var(--cream);
}

.fit-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  gap: clamp(70px, 10vw, 160px);
  align-items: start;
}

.faq-list details {
  border-bottom: 1px solid rgb(25 32 25 / 24%);
}

.faq-list details:first-child {
  border-top: 1px solid rgb(25 32 25 / 24%);
}

.faq-list summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  min-height: 84px;
  list-style: none;
  font-family: "Gowun Batang", Georgia, serif;
  font-size: clamp(18px, 1.8vw, 24px);
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  color: var(--clay);
  font-family: "Agora Sans", system-ui, sans-serif;
  transition: transform 180ms ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 620px;
  margin: -8px 48px 28px 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 11 — 함께 앉기 */
.final-scene {
  align-items: flex-end;
  min-height: max(100svh, 760px);
  padding-bottom: clamp(68px, 9vh, 110px);
  color: var(--white);
  background: var(--olive-deep);
}

.final-scene .scene-media img {
  object-position: 60% center;
}

.scene-shade--final {
  background: linear-gradient(90deg, rgb(11 17 13 / 82%) 0%, rgb(11 17 13 / 55%) 42%, rgb(11 17 13 / 6%) 72%);
}

.final-layout {
  max-width: var(--shell);
}

.final-layout h2 {
  max-width: 780px;
}

.final-layout h2 em {
  color: var(--sun);
}

.final-layout > p:not(.eyebrow) {
  max-width: 560px;
  margin-bottom: 34px;
  color: rgb(255 253 248 / 75%);
  font-size: 18px;
  line-height: 1.7;
}

.site-footer {
  padding: 48px 0 max(48px, env(safe-area-inset-bottom));
  color: rgb(255 253 248 / 65%);
  background: #101a14;
}

.footer-layout {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 28px 60px;
  align-items: start;
}

.footer-brand {
  width: 126px;
  filter: brightness(0) invert(1);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 24px;
  font-size: 12px;
}

.site-footer nav a {
  text-decoration: none;
}

.site-footer p {
  grid-column: 2;
  margin-bottom: 0;
  font-size: 11px;
  line-height: 1.7;
  text-align: right;
}

@keyframes stage-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 1081px) {
  .stalled,
  .reframe,
  .change,
  .method,
  .companions,
  .fit {
    min-height: 84svh;
    padding-block: 112px;
  }

  .questions {
    min-height: 92svh;
  }

  .stalled {
    min-height: 76svh;
    padding-block: 92px;
  }

  .stalled .moment-stage {
    min-height: 430px;
  }

  .stalled .moment {
    min-height: 250px;
  }

  .stalled .moment-word {
    margin-bottom: 46px;
  }
}

@media (max-width: 1080px) {
  :root {
    --shell: min(100% - 48px, 920px);
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding-inline: 24px;
  }

  .site-header nav {
    display: none;
  }

  .scene {
    min-height: auto;
    padding-block: calc(var(--header-height) + 58px) 74px;
  }

  .hero,
  .final-scene {
    min-height: 100svh;
  }

  .scene-grid,
  .method-layout,
  .companions-heading,
  .sample-layout,
  .questions-layout,
  .curriculum-heading,
  .identity-layout,
  .fit-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .moment-stage {
    min-height: 460px;
  }

  .scene-heading {
    grid-template-columns: 1fr;
    grid-template-areas:
      "eyebrow"
      "title"
      "description";
    gap: 18px;
  }

  .scene-heading > p:last-child {
    max-width: 720px;
  }

  .method-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .companions-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .companions-heading > p {
    max-width: 760px;
  }

  .companions-stage {
    grid-template-columns: 1fr 1fr;
  }

  .companion-dialogue {
    grid-column: 1 / -1;
    min-height: 300px;
    order: 3;
  }

  .sample-layout,
  .identity-layout {
    align-items: start;
  }

  .experiment,
  .voice-stage {
    max-width: 720px;
  }

  .questions-media {
    inset: 0;
  }

  .questions-media::after {
    background: linear-gradient(180deg, var(--paper) 0%, rgb(246 241 232 / 94%) 46%, rgb(246 241 232 / 26%) 100%);
  }

  .question-world {
    max-width: 760px;
  }

  .curriculum-heading > p {
    max-width: 720px;
  }

  .identity-copy {
    max-width: 720px;
  }
}

@media (max-width: 900px) {
  .hero-media img {
    object-position: 70% center;
  }

  .sample .scene-media img {
    object-position: 64% center;
  }

  .questions-media img {
    object-position: 56% center;
  }

  .identity-media img {
    object-position: 59% center;
  }

  .final-scene .scene-media img {
    object-position: 60% center;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: calc(100% - 36px);
    --header-height: 64px;
  }

  .site-header {
    padding-inline: 18px;
  }

  .brand {
    width: 102px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 14px;
  }

  .header-cta span:last-child {
    display: none;
  }

  .scene {
    padding-block: calc(var(--header-height) + 24px) 40px;
  }

  h1 {
    font-size: clamp(39px, 11vw, 58px);
  }

  h2 {
    font-size: clamp(34px, 9vw, 50px);
  }

  .hero,
  .final-scene {
    min-height: max(100svh, 680px);
    padding-bottom: 46px;
  }

  .hero-media img {
    object-position: 70% center;
  }

  .scene-shade {
    background: linear-gradient(0deg, rgb(10 16 12 / 92%) 0%, rgb(10 16 12 / 56%) 66%, rgb(10 16 12 / 20%) 100%);
  }

  .hero .lead {
    font-size: 16px;
  }

  .hero-proofline {
    display: grid;
    gap: 6px;
  }

  .hero-proofline span + span::before {
    margin-right: 8px;
  }

  .button {
    width: 100%;
  }

  .scene-grid,
  .method-layout,
  .sample-layout,
  .questions-layout,
  .curriculum-heading,
  .identity-layout,
  .fit-layout {
    gap: 28px;
  }

  .moment-stage {
    min-height: 390px;
    padding: 26px 24px;
  }

  .moment {
    min-height: 260px;
  }

  .moment-word {
    margin-bottom: 36px;
  }

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

  .route {
    min-height: 148px;
    padding: 26px;
  }

  .route span {
    margin-bottom: 26px;
  }

  .thought-tabs {
    grid-template-columns: repeat(4, 1fr);
  }

  .thought-tabs button {
    min-height: 52px;
    padding-inline: 4px;
    font-size: 11px;
  }

  .thought-panel {
    grid-template-columns: 1fr;
    gap: 14px;
    min-height: 0;
    padding: 22px 20px;
  }

  .thought-panel span {
    margin-bottom: 14px;
  }

  .thought-turn {
    justify-self: start;
  }

  .method-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .method-list button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 72px;
    padding: 8px 3px;
    text-align: center;
  }

  .method-list span {
    margin-bottom: 4px;
  }

  .method-list b {
    font-size: 10px;
    line-height: 1.25;
  }

  .method-example {
    min-height: 280px;
    padding: 30px 26px;
  }

  .companions-stage {
    grid-template-columns: 1fr;
  }

  .companion-card,
  .companion-dialogue {
    min-height: 0;
    padding: 26px 22px;
  }

  .companion-dialogue {
    grid-column: auto;
    min-height: 330px;
    order: 0;
  }

  .companions-cta {
    display: grid;
    align-items: stretch;
  }

  .sample {
    min-height: auto;
    padding-top: 150px;
  }

  .sample .scene-media img {
    object-position: 64% center;
  }

  .scene-shade--sample {
    background: linear-gradient(0deg, rgb(9 14 11 / 94%) 0%, rgb(9 14 11 / 74%) 74%, rgb(9 14 11 / 20%) 100%);
  }

  .experiment {
    padding: 22px;
  }

  .questions-media {
    inset: 0;
  }

  .questions-media::after {
    background: linear-gradient(180deg, rgb(246 241 232 / 98%) 0%, rgb(246 241 232 / 88%) 48%, rgb(246 241 232 / 32%) 100%);
  }

  .world-tabs {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .world-tabs button {
    padding-inline: 4px;
    font-size: 10px;
  }

  .world-panel {
    min-height: 360px;
    padding: 32px 26px;
  }

  .curriculum {
    padding-block: calc(var(--header-height) + 42px) 56px;
    background: var(--cream);
  }

  .curriculum-layout {
    gap: 24px;
  }

  .curriculum-heading {
    gap: 20px;
  }

  .curriculum-heading .phrase {
    white-space: normal;
  }

  .curriculum-progress {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .curriculum-progress span:nth-child(3) {
    border-left: 0;
  }

  .curriculum-progress span:nth-child(n + 3) {
    border-top: 1px solid rgb(25 32 25 / 16%);
  }

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

  .curriculum-part summary {
    grid-template-columns: 54px minmax(0, 1fr) 20px;
    gap: 12px;
    min-height: 86px;
    padding: 16px;
  }

  .curriculum-lesson {
    min-height: 0;
    padding: 24px 22px;
  }

  .curriculum-lesson h3 {
    font-size: 22px;
  }

  .judgment-charter {
    grid-template-columns: 1fr;
  }

  .identity {
    min-height: auto;
  }

  .identity-media img {
    object-position: 59% center;
  }

  .identity-media::after {
    background: linear-gradient(0deg, rgb(10 17 12 / 94%) 0%, rgb(10 17 12 / 76%) 72%, rgb(10 17 12 / 28%) 100%);
  }

  .voice-tabs {
    grid-template-columns: repeat(3, 1fr);
  }

  .voice-tabs button {
    min-height: 54px;
    padding-inline: 4px;
    font-size: 12px;
  }

  .voice-panel {
    min-height: 310px;
    padding: 28px 24px;
  }

  .learning-ledger {
    grid-template-columns: 1fr 1fr;
  }

  .learning-ledger p {
    min-height: 136px;
    padding: 20px;
  }

  .learning-ledger p + p {
    border-left: 0;
  }

  .learning-ledger p:nth-child(even) {
    border-left: 1px solid rgb(255 253 248 / 18%);
  }

  .learning-ledger p:nth-child(n + 3) {
    border-top: 1px solid rgb(255 253 248 / 18%);
  }

  .judgment-charter {
    padding: 22px;
  }

  .judgment-charter ul {
    grid-template-columns: 1fr;
  }

  .faq-list summary {
    min-height: 76px;
  }

  .final-scene .scene-media img {
    object-position: 60% center;
  }

  .scene-shade--final {
    background: linear-gradient(0deg, rgb(11 17 13 / 92%) 0%, rgb(11 17 13 / 62%) 64%, rgb(11 17 13 / 12%) 100%);
  }

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

  .site-footer nav {
    justify-content: flex-start;
  }

  .site-footer p {
    grid-column: 1;
    text-align: left;
  }
}

@media (max-width: 390px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .header-cta {
    font-size: 12px;
  }

  .eyebrow {
    letter-spacing: 0.08em;
  }

  .moment-stage,
  .thought-panel,
  .method-example,
  .world-panel,
  .voice-panel {
    padding-inline: 20px;
  }

  .experiment {
    padding: 18px;
  }

  .learning-ledger {
    grid-template-columns: 1fr;
  }

  .learning-ledger p {
    min-height: 0;
  }

  .learning-ledger p:nth-child(even),
  .learning-ledger p:nth-child(n + 3) {
    border-left: 0;
    border-top: 1px solid rgb(255 253 248 / 18%);
  }
}

@media (max-width: 360px) {
  .phrase {
    white-space: normal;
  }
}

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

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

@media (forced-colors: active) {
  .scene-media,
  .identity-media,
  .questions-media,
  .scene-shade,
  .identity-media::after,
  .questions-media::after {
    display: none;
  }

  .hero,
  .sample,
  .identity,
  .final-scene {
    background: Canvas;
    color: CanvasText;
  }
}
