:root {
  --ink: #17201d;
  --ink-soft: #384741;
  --muted: #68766f;
  --paper: #fbfaf5;
  --paper-strong: #fffef8;
  --sage: #dfe9df;
  --teal: #0f7b72;
  --teal-dark: #09534d;
  --coral: #e06b4b;
  --gold: #c69b3d;
  --line: rgba(23, 32, 29, 0.14);
  --shadow: 0 24px 70px rgba(23, 32, 29, 0.12);
  --radius: 8px;
  --container: min(1120px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Pretendard",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  word-break: keep-all;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px max(24px, calc((100vw - 1120px) / 2));
  color: #fff;
  transition:
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.scrolled {
  background: rgba(251, 250, 245, 0.94);
  color: var(--ink);
  box-shadow: 0 10px 30px rgba(23, 32, 29, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 760;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 12px;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 15px;
  font-weight: 650;
}

.nav-links a {
  opacity: 0.82;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  opacity: 1;
}

.header-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 760;
  line-height: 1;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.header-cta {
  min-height: 40px;
  padding: 0 17px;
  border: 1px solid currentColor;
}

.primary-button {
  padding: 0 22px;
  background: var(--teal);
  color: #fff;
  box-shadow: 0 14px 34px rgba(15, 123, 114, 0.22);
}

.secondary-button {
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  color: #fff;
}

.primary-button:hover,
.secondary-button:hover,
.header-cta:hover {
  transform: translateY(-1px);
}

.primary-button:focus-visible,
.secondary-button:focus-visible,
.header-cta:focus-visible,
.topic-tab:focus-visible {
  outline: 3px solid rgba(224, 107, 75, 0.55);
  outline-offset: 3px;
}

.wide {
  width: 100%;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  overflow: hidden;
  align-items: end;
  isolation: isolate;
}

.hero-background,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-background {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(12, 24, 20, 0.36), rgba(12, 24, 20, 0.06) 58%, rgba(12, 24, 20, 0.12)),
    url("https://images.unsplash.com/photo-1556761175-b413da4baf72?auto=format&fit=crop&w=2200&q=84");
  background-position: center;
  background-size: cover;
  transform: scale(1.01);
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.24) 0%, rgba(0, 0, 0, 0.02) 36%, rgba(0, 0, 0, 0.42) 100%),
    linear-gradient(90deg, rgba(18, 30, 27, 0.72) 0%, rgba(18, 30, 27, 0.36) 46%, rgba(18, 30, 27, 0.02) 100%);
}

.hero-content {
  width: var(--container);
  margin: 0 auto;
  padding: 150px 0 84px;
  color: #fff;
}

.hero-kicker {
  max-width: 650px;
  margin: 0 0 22px;
  font-size: 18px;
  font-weight: 720;
  line-height: 1.45;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(64px, 9vw, 132px);
  font-weight: 840;
  letter-spacing: 0;
  line-height: 0.92;
}

.hero-copy {
  max-width: 660px;
  margin: 28px 0 0;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 520;
  line-height: 1.58;
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.snapshot {
  position: relative;
  z-index: 2;
  width: var(--container);
  margin: -34px auto 0;
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 254, 248, 0.94);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.snapshot article {
  min-height: 136px;
  padding: 26px 24px;
  border-right: 1px solid var(--line);
}

.snapshot article:last-child {
  border-right: 0;
}

.snapshot span,
.section-label,
.price-label,
.topic-detail span {
  display: block;
  margin-bottom: 9px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 820;
  letter-spacing: 0;
}

.snapshot strong {
  display: block;
  font-size: 26px;
  font-weight: 840;
  line-height: 1.25;
}

.snapshot p,
.time-block p,
.deliverable-grid p,
.price-card p,
.topic-detail p,
.pricing-copy p,
.apply-box p,
.intro-copy p,
.guide-copy p,
.topic-copy p,
.section-heading p {
  margin: 0;
  color: var(--muted);
}

.snapshot p {
  margin-top: 7px;
  font-size: 15px;
}

.section-band {
  background: var(--paper-strong);
}

.section-inner {
  width: var(--container);
  margin: 0 auto;
  padding: 106px 0;
}

.two-column,
.guide-layout,
.topics-layout,
.fallback-layout,
.schedule-layout,
.pricing-layout,
.apply-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 72px;
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 58px);
  font-weight: 820;
  line-height: 1.08;
  letter-spacing: 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 54px;
}

.section-heading p:not(.section-label) {
  margin-top: 18px;
  font-size: 18px;
}

.intro-copy {
  display: grid;
  gap: 18px;
  padding-top: 6px;
  font-size: 18px;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.problem-list article {
  min-height: 190px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.problem-list h3 {
  margin: 0 0 12px;
  font-size: 21px;
  font-weight: 820;
  line-height: 1.3;
}

.problem-list p {
  margin: 0;
  color: var(--muted);
}

.guide-section {
  background: var(--ink);
  color: #fff;
}

.guide-visual {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 16px;
}

.guide-card {
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.guide-card span {
  display: block;
  margin-bottom: 18px;
  color: #92d4c9;
  font-size: 13px;
  font-weight: 820;
}

.guide-card h2 {
  font-size: clamp(32px, 4vw, 52px);
}

.guide-copy {
  display: grid;
  gap: 22px;
  padding-top: 6px;
  font-size: 19px;
}

.guide-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.guide-photo {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.guide-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.guide-photo figcaption {
  padding: 15px 18px 17px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
}

.format-section {
  background: linear-gradient(180deg, var(--paper) 0%, #edf3ed 100%);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-strong);
}

.time-block {
  min-height: 260px;
  padding: 28px 24px 30px;
  border-right: 1px solid var(--line);
}

.time-block:last-child {
  border-right: 0;
}

.time {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  height: 34px;
  margin-bottom: 28px;
  border-radius: var(--radius);
  background: var(--sage);
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 840;
}

.time-block h3,
.deliverable-grid h3,
.topic-detail h3 {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.28;
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.deliverable-grid article {
  min-height: 172px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.topics-section {
  background:
    radial-gradient(circle at top left, rgba(15, 123, 114, 0.09), transparent 32%),
    var(--paper);
}

.topic-copy p:not(.section-label) {
  margin-top: 22px;
  font-size: 18px;
}

.topic-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.topic-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.topic-tab {
  min-height: 56px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 15px;
  font-weight: 760;
  cursor: pointer;
}

.topic-tab:last-child {
  border-right: 0;
}

.topic-tab.active {
  background: var(--teal);
  color: #fff;
}

.topic-detail {
  min-height: 360px;
  padding: 38px;
}

.topic-detail h3 {
  font-size: 34px;
}

.topic-detail p {
  font-size: 18px;
}

.topic-detail ul {
  display: grid;
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.topic-detail li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-soft);
  font-weight: 650;
}

.topic-detail li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  content: "";
}

.fallback-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.fallback-list span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 15px;
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 720;
}

.schedule-section {
  background: var(--paper-strong);
}

.schedule-card {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.schedule-card div {
  padding: 25px 28px;
  border-bottom: 1px solid var(--line);
}

.schedule-card div:last-child {
  border-bottom: 0;
}

.schedule-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 820;
}

.schedule-card strong {
  display: block;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  font-weight: 840;
}

.pricing-section {
  background: #edf3ed;
}

.pricing-copy p {
  margin-top: 22px;
  max-width: 580px;
  font-size: 18px;
}

.price-card {
  align-self: stretch;
  padding: 38px;
  border: 1px solid rgba(9, 83, 77, 0.22);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
}

.price {
  margin: 10px 0 10px;
  color: var(--teal-dark);
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 860;
  line-height: 0.98;
}

.price-card p {
  margin-bottom: 34px;
  font-size: 17px;
}

.apply-section {
  background: var(--ink);
  color: #fff;
}

.apply-section .section-label {
  color: #92d4c9;
}

.apply-section h2 {
  max-width: 780px;
}

.apply-box {
  padding-top: 8px;
}

.apply-box p {
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
}

.apply-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 78% 4%, rgba(15, 123, 114, 0.16), transparent 28rem),
    linear-gradient(180deg, var(--ink), #23332e 48%, var(--paper) 48%);
}

.apply-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px max(24px, calc((100vw - 1120px) / 2));
  color: #fff;
  background: rgba(23, 32, 29, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.apply-hero {
  color: #fff;
}

.apply-hero-inner {
  padding-top: 92px;
  padding-bottom: 54px;
}

.apply-hero .section-label {
  color: #92d4c9;
}

.apply-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(52px, 8vw, 104px);
  font-weight: 860;
  line-height: 0.98;
  letter-spacing: 0;
}

.apply-hero p:not(.section-label) {
  max-width: 740px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 620;
}

.application-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 24px;
  align-items: start;
  padding-top: 34px;
}

.application-info {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 14px;
}

.application-info article,
.application-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
}

.application-info article {
  padding: 24px;
}

.application-info span {
  display: block;
  margin-bottom: 9px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 820;
}

.application-info strong {
  display: block;
  font-size: 23px;
  font-weight: 840;
  line-height: 1.25;
}

.application-info p {
  margin: 10px 0 0;
  color: var(--muted);
}

.application-card {
  padding: clamp(26px, 4vw, 44px);
}

.application-head {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.application-head h2 {
  font-size: clamp(34px, 4.2vw, 56px);
}

.application-head p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.form-grid label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.form-grid input,
.form-grid textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  padding: 15px;
  font: inherit;
  font-weight: 620;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.form-grid textarea {
  min-height: 140px;
  resize: vertical;
}

.form-grid input:focus,
.form-grid textarea:focus {
  border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(15, 123, 114, 0.14);
}

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

.submit-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.submit-row p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.form-submit {
  border: 0;
  cursor: pointer;
}

.form-submit:disabled {
  cursor: progress;
  opacity: 0.72;
  transform: none;
}

.application-status {
  display: none;
  margin-top: 24px;
  padding: 18px;
  border: 1px solid rgba(15, 123, 114, 0.28);
  border-radius: var(--radius);
  background: rgba(15, 123, 114, 0.08);
  color: var(--ink-soft);
  font-weight: 680;
}

.application-status.is-visible {
  display: block;
}

.application-status b {
  color: var(--teal-dark);
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .snapshot-grid,
  .timeline,
  .deliverable-grid,
  .two-column,
  .guide-layout,
  .application-layout,
  .topics-layout,
  .fallback-layout,
  .schedule-layout,
  .pricing-layout,
  .apply-layout {
    grid-template-columns: 1fr;
  }

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

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

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

  .timeline {
    overflow: visible;
    border: 0;
    gap: 12px;
    background: transparent;
  }

  .time-block {
    min-height: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper-strong);
  }

  .two-column,
  .guide-layout,
  .topics-layout,
  .fallback-layout,
  .schedule-layout,
  .pricing-layout,
  .apply-layout {
    gap: 34px;
  }

  .guide-visual {
    position: static;
  }

  .application-info {
    position: static;
  }
}

@media (max-width: 680px) {
  :root {
    --container: min(100vw - 28px, 1120px);
  }

  .site-header {
    padding: 12px 14px;
  }

  .brand {
    font-size: 15px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 11px;
  }

  .header-cta {
    min-height: 36px;
    padding: 0 12px;
    font-size: 13px;
  }

  .apply-header {
    padding: 12px 14px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-background {
    background-position: 62% center;
  }

  .hero-content {
    padding: 116px 0 64px;
  }

  .hero-kicker {
    font-size: 15px;
  }

  .hero h1 {
    font-size: 58px;
    line-height: 0.98;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-actions,
  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .snapshot {
    margin-top: 0;
    width: 100%;
  }

  .snapshot-grid {
    grid-template-columns: 1fr;
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .snapshot article,
  .snapshot article:nth-child(2),
  .snapshot article:nth-child(-n + 2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .snapshot article:last-child {
    border-bottom: 0;
  }

  .section-inner {
    padding: 76px 0;
  }

  h2 {
    font-size: 34px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

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

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

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

  .topic-detail,
  .price-card {
    padding: 26px;
  }

  .problem-list {
    grid-template-columns: 1fr;
  }

  .problem-list article {
    min-height: auto;
  }

  .topic-detail h3 {
    font-size: 28px;
  }

  .fallback-list {
    display: grid;
    grid-template-columns: 1fr;
  }

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

  .submit-row {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}
