:root {
  --bg: #F5F3EE;
  --paper: #F9F7F3;
  --ink: #1C1814;
  --muted: #4A423C;
  --line: #E6E1D9;
  --brand: #7EB5E8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  font-weight: 400;
  line-height: 1.66;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 20;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-weight: 600;
}

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

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0 10px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.brand-link img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  filter: invert(1);
}

.site-nav,
.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.site-nav {
  justify-content: flex-end;
}

.site-nav a,
.footer-links a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--ink);
  border-color: var(--ink);
}

.primary-button,
.secondary-button,
.preview-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--line);
  cursor: pointer;
}

.primary-button {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--ink);
}

.secondary-button,
.preview-trigger {
  background: transparent;
  color: var(--ink);
}

.secondary-button:hover,
.secondary-button:focus-visible,
.preview-trigger:hover,
.preview-trigger:focus-visible {
  border-color: var(--ink);
  background: var(--paper);
}

.preview-trigger:disabled {
  cursor: default;
  opacity: 0.55;
}

.hero-section {
  min-height: clamp(620px, 78vh, 780px);
  display: grid;
  align-content: center;
  gap: 42px;
  padding: 58px 0 46px;
  border-bottom: 1px solid var(--line);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.62fr);
  gap: clamp(34px, 7vw, 82px);
  align-items: center;
}

.program-label,
.section-heading p,
.item-index {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.hero-label {
  color: var(--ink);
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.02;
  font-weight: 300;
  word-break: keep-all;
}

.hero-section h1 {
  max-width: 780px;
  margin: 14px 0 18px;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.1;
  font-weight: 800;
  word-break: keep-all;
  text-wrap: balance;
}

.hero-lead {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.72;
  word-break: keep-all;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero-anchor {
  margin: 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-anchor img {
  width: min(300px, 100%);
  margin: 0 auto;
  mix-blend-mode: multiply;
}

.hero-anchor figcaption {
  display: grid;
  gap: 7px;
  margin-top: 26px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.hero-anchor span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.hero-anchor strong {
  color: var(--ink);
  font-size: 28px;
  line-height: 1.25;
  font-weight: 700;
  word-break: keep-all;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.hero-facts div {
  padding-right: 18px;
}

.hero-facts div + div {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.hero-facts dt,
.hero-facts dd {
  margin: 0;
}

.hero-facts dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.hero-facts dd {
  margin-top: 5px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
  font-weight: 700;
  word-break: keep-all;
}

section {
  padding: 82px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  font-weight: 700;
  word-break: keep-all;
}

.section-lead {
  max-width: 820px;
  margin: 0;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.58;
  font-weight: 600;
  word-break: keep-all;
}

.lecture-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.44fr);
  gap: 42px;
  align-items: end;
}

.lecture-copy p:not(.section-lead) {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
}

.first-result {
  padding: 0 0 0 28px;
  border-left: 1px solid var(--line);
}

.first-result span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.first-result strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 32px;
  line-height: 1.2;
  font-weight: 700;
  word-break: keep-all;
}

.first-result p {
  margin: 12px 0 0;
  color: var(--muted);
}

.first-result .class-fee-note {
  margin-top: 18px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 600;
  word-break: keep-all;
}

.practice-map {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1fr) minmax(240px, 0.72fr);
  gap: 30px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.flow-block h3,
.prompt-sheet figcaption {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.3;
  font-weight: 700;
}

.timed-list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timed-list li {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
  color: var(--muted);
}

.timed-list time {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.prompt-sheet {
  margin: 0;
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.prompt-sheet blockquote {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.72;
}

.prompt-sheet p {
  margin: 0;
}

.prompt-sheet p + p {
  margin-top: 5px;
}

.lecture-preview {
  display: grid;
  align-content: start;
  gap: 12px;
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.lecture-preview p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.video-dock video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: var(--paper);
}

.quote-band {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: clamp(74px, 10vw, 124px) max(24px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--line);
}

.quote-label {
  max-width: 1040px;
  margin: 0 auto 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.quote-text {
  max-width: 1040px;
  margin: 0 auto;
  color: var(--ink);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.2;
  font-weight: 300;
  word-break: keep-all;
  text-wrap: balance;
}

.quote-note {
  max-width: 740px;
  margin: 26px auto 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.64;
  font-weight: 600;
  text-align: center;
  word-break: keep-all;
}

.journey-list {
  display: grid;
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.journey-price-note {
  max-width: 820px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
  word-break: keep-all;
}

.journey-item {
  display: grid;
  grid-template-columns: minmax(180px, 0.3fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.journey-item figure {
  margin: 0;
}

.journey-item img {
  width: min(220px, 100%);
  mix-blend-mode: multiply;
}

.journey-item h3 {
  margin: 5px 0 12px;
  color: var(--ink);
  font-size: clamp(29px, 3.3vw, 42px);
  line-height: 1.18;
  font-weight: 700;
  word-break: keep-all;
}

.journey-item p:not(.item-index) {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.journey-item strong {
  display: block;
  margin-top: 16px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.35;
  font-weight: 700;
  word-break: keep-all;
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  max-width: 980px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.boundary-grid ul {
  margin: 0;
  padding: 0 0 0 18px;
}

.boundary-grid li {
  color: var(--muted);
}

.boundary-grid li + li {
  margin-top: 10px;
}

.instructor-layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 58px);
  align-items: start;
}

.instructor-photo {
  margin: 0;
}

.instructor-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--line);
}

.instructor-copy {
  display: grid;
  gap: 22px;
}

.instructor-anchor {
  margin: 0;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.38;
  font-weight: 600;
  word-break: keep-all;
}

.instructor-copy blockquote {
  margin: 0;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.instructor-copy blockquote p {
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.34;
  font-weight: 400;
  word-break: keep-all;
}

.instructor-copy > p:not(.instructor-anchor) {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.career-timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin: 36px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.career-timeline li {
  display: grid;
  gap: 4px;
}

.career-timeline strong {
  color: var(--ink);
  font-size: 36px;
  line-height: 1;
  font-weight: 700;
}

.career-timeline span {
  color: var(--muted);
  font-size: 14px;
}

.contact-section {
  border-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

.contact-grid > div {
  display: grid;
  align-content: start;
  gap: 14px;
  padding-top: 28px;
}

.contact-grid > div + div {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.contact-grid h3 {
  margin: 0;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.25;
  font-weight: 700;
  word-break: keep-all;
}

.contact-grid p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
}

.contact-grid .secondary-button {
  justify-self: start;
  margin-top: 4px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 0 44px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

.footer-links {
  justify-content: flex-end;
}

@media (max-width: 920px) {
  .hero-section {
    min-height: auto;
  }

  .hero-layout,
  .lecture-layout,
  .practice-map,
  .instructor-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .first-result,
  .prompt-sheet,
  .lecture-preview,
  .contact-grid > div + div {
    padding-left: 0;
    border-left: 0;
  }

  .first-result,
  .prompt-sheet,
  .lecture-preview {
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }

  .contact-grid > div + div {
    border-top: 1px solid var(--line);
  }

  .hero-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 18px;
  }

  .hero-facts div:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 12px;
  }

  .hero-section {
    padding-top: 44px;
    gap: 30px;
  }

  .hero-label {
    font-size: 24px;
    font-weight: 400;
    white-space: nowrap;
  }

  .hero-section h1 {
    font-size: 36px;
  }

  .hero-lead,
  .section-lead {
    font-size: 17px;
  }

  .hero-anchor {
    width: 100%;
  }

  .hero-anchor img {
    width: 220px;
  }

  .hero-anchor strong {
    font-size: 24px;
  }

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

  .hero-facts div,
  .hero-facts div + div,
  .hero-facts div:nth-child(odd) {
    padding: 12px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  section {
    padding: 58px 0;
  }

  .section-heading {
    display: block;
  }

  .section-heading h2 {
    margin-top: 6px;
    font-size: 30px;
  }

  .first-result strong {
    font-size: 27px;
  }

  .timed-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .prompt-sheet blockquote {
    font-size: 16px;
  }

  .quote-band {
    width: auto;
    margin-left: -16px;
    margin-right: -16px;
    padding: 62px 16px;
  }

  .quote-text {
    font-size: 33px;
    line-height: 1.28;
  }

  .quote-note {
    max-width: none;
    font-size: 16px;
    text-align: left;
  }

  .journey-item {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 34px 0;
  }

  .journey-item img {
    width: 176px;
  }

  .journey-item p:not(.item-index),
  .instructor-copy > p:not(.instructor-anchor) {
    font-size: 16px;
  }

  .boundary-grid,
  .career-timeline {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .instructor-copy blockquote p {
    font-size: 25px;
  }

  .career-timeline strong {
    font-size: 31px;
  }

  .contact-grid h3 {
    font-size: 24px;
  }

  .site-footer {
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}