:root {
  --navy-950: #102a43;
  --navy-900: #173656;
  --navy-800: #244a7c;
  --navy-700: #315a8e;
  --navy-100: #dde9f3;
  --navy-50: #f1f6fa;
  --teal-700: #23766f;
  --teal-600: #2e8c82;
  --teal-100: #dcefeb;
  --coral-700: #c84f45;
  --coral-600: #e86557;
  --coral-100: #fae5e0;
  --gold-600: #e3a52e;
  --gold-500: #f7c95c;
  --gold-100: #fff3cf;
  --cream: #f8f5ed;
  --paper: #fffdf8;
  --white: #ffffff;
  --ink: #17324b;
  --muted: #5f7081;
  --line: #dce4ea;
  --success: #2a7e6f;
  --shadow-sm: 0 8px 24px rgba(16, 42, 67, 0.08);
  --shadow-md: 0 20px 50px rgba(16, 42, 67, 0.12);
  --shadow-lg: 0 28px 80px rgba(16, 42, 67, 0.16);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 38px;
  --container: 1180px;
  --header-height: 84px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

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

p,
h1,
h2,
h3,
h4,
ul,
ol,
figure,
blockquote {
  margin-top: 0;
}

p:last-child,
ul:last-child,
ol:last-child {
  margin-bottom: 0;
}

::selection {
  color: var(--navy-950);
  background: var(--gold-500);
}

:focus-visible {
  outline: 3px solid var(--gold-500);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--navy-950);
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 40px), 780px);
  margin-inline: auto;
}

.section {
  padding-block: 96px;
}

.section-sm {
  padding-block: 64px;
}

.section-cream {
  background: var(--cream);
}

.section-navy {
  color: var(--white);
  background:
    radial-gradient(circle at 95% 10%, rgba(247, 201, 92, 0.16), transparent 30%),
    radial-gradient(circle at 5% 90%, rgba(46, 140, 130, 0.18), transparent 32%),
    var(--navy-900);
}

.section-pattern {
  background-color: var(--navy-50);
  background-image: url("../img/pattern-hangul.svg");
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--teal-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1.35;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 2px;
  content: "";
  background: currentColor;
}

.section-navy .eyebrow {
  color: var(--gold-500);
}

.display-title,
.page-title,
.section-title,
.card-title {
  color: var(--navy-950);
  font-weight: 820;
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.display-title {
  max-width: 790px;
  margin-bottom: 24px;
  font-size: clamp(2.65rem, 6vw, 5.3rem);
}

.page-title {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 5vw, 4.4rem);
}

.section-title {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.8vw, 3.35rem);
}

.card-title {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.section-navy .display-title,
.section-navy .page-title,
.section-navy .section-title,
.section-navy .card-title {
  color: var(--white);
}

.lead {
  max-width: 720px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  line-height: 1.75;
}

.section-navy .lead,
.section-navy .muted {
  color: rgba(255, 255, 255, 0.76);
}

.muted {
  color: var(--muted);
}

.text-small {
  font-size: 0.9rem;
}

.text-center {
  text-align: center;
}

.text-center .lead,
.text-center .section-title {
  margin-inline: auto;
}

.stack > * + * {
  margin-top: var(--stack-space, 22px);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.site-alert {
  position: relative;
  z-index: 80;
  color: var(--navy-950);
  background: var(--gold-100);
  border-bottom: 1px solid rgba(227, 165, 46, 0.28);
}

.site-alert[hidden] {
  display: none;
}

.site-alert__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
}

.site-alert__inner a {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  border-bottom: 1px solid transparent;
  background: rgba(255, 253, 248, 0.9);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(255, 253, 248, 0.96);
  box-shadow: 0 10px 35px rgba(16, 42, 67, 0.07);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
}

.brand__mark {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
}

.brand__text {
  display: grid;
  line-height: 1.12;
}

.brand__ko {
  color: var(--navy-950);
  font-size: 1.08rem;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.brand__en {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.primary-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 9px 11px;
  border-radius: 12px;
  color: #385069;
  font-size: 0.9rem;
  font-weight: 720;
  transition: color 150ms ease, background 150ms ease;
}

.primary-nav__link:hover,
.primary-nav__link[aria-current="page"] {
  color: var(--navy-950);
  background: var(--navy-50);
}

.primary-nav__link[aria-current="page"]::after {
  position: absolute;
  right: 13px;
  bottom: 5px;
  left: 13px;
  height: 2px;
  border-radius: 99px;
  content: "";
  background: var(--coral-600);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}

.language-link,
.icon-link,
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--navy-950);
  background: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.language-link:hover,
.icon-link:hover,
.menu-toggle:hover {
  border-color: var(--navy-100);
  background: var(--navy-50);
  transform: translateY(-1px);
}

.icon-link svg,
.menu-toggle svg {
  width: 19px;
  height: 19px;
}

.menu-toggle {
  display: none;
  padding: 0;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 9px;
  padding: 12px 19px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button svg {
  width: 18px;
  height: 18px;
}

.button-primary {
  color: var(--white);
  background: var(--navy-900);
  box-shadow: 0 10px 25px rgba(23, 54, 86, 0.2);
}

.button-primary:hover {
  background: var(--navy-950);
  box-shadow: 0 15px 30px rgba(23, 54, 86, 0.24);
}

.button-coral {
  color: var(--white);
  background: var(--coral-600);
  box-shadow: 0 10px 25px rgba(232, 101, 87, 0.2);
}

.button-coral:hover {
  background: var(--coral-700);
}

.button-light {
  color: var(--navy-950);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.button-outline {
  color: var(--navy-950);
  border-color: var(--line);
  background: transparent;
}

.button-outline:hover {
  border-color: var(--navy-100);
  background: var(--navy-50);
}

.section-navy .button-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.26);
}

.section-navy .button-outline:hover {
  background: rgba(255, 255, 255, 0.08);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--navy-800);
  font-weight: 800;
}

.text-link:hover {
  color: var(--coral-700);
}

.text-link svg {
  width: 17px;
  height: 17px;
  transition: transform 150ms ease;
}

.text-link:hover svg {
  transform: translateX(3px);
}

.hero {
  position: relative;
  overflow: clip;
  padding-block: 70px 88px;
  background:
    radial-gradient(circle at 85% 12%, rgba(247, 201, 92, 0.22), transparent 28%),
    radial-gradient(circle at 4% 84%, rgba(46, 140, 130, 0.12), transparent 28%),
    linear-gradient(180deg, #fffdf8 0%, #f7fafb 100%);
}

.hero::after {
  position: absolute;
  right: -50px;
  bottom: -90px;
  width: 360px;
  height: 360px;
  border: 60px solid rgba(232, 101, 87, 0.06);
  border-radius: 50%;
  content: "";
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  align-items: center;
  gap: 60px;
}

.hero__copy {
  padding-block: 20px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero__trust span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero__trust span::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  content: "";
  background: var(--teal-600);
  box-shadow: 0 0 0 5px var(--teal-100);
}

.hero__visual {
  position: relative;
}

.hero__visual img {
  width: 100%;
  filter: drop-shadow(0 25px 35px rgba(16, 42, 67, 0.08));
}

.hero__badge {
  position: absolute;
  right: -12px;
  bottom: 42px;
  display: grid;
  max-width: 215px;
  gap: 2px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

.hero__badge strong {
  color: var(--navy-950);
  font-size: 0.95rem;
}

.hero__badge span {
  color: var(--muted);
  font-size: 0.8rem;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: 86px 92px;
  background:
    linear-gradient(115deg, rgba(255, 253, 248, 0.97), rgba(241, 246, 250, 0.92)),
    url("../img/pattern-hangul.svg");
}

.page-hero::before {
  position: absolute;
  top: -120px;
  right: -90px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  content: "";
  background: rgba(247, 201, 92, 0.17);
}

.page-hero::after {
  position: absolute;
  right: 160px;
  bottom: -110px;
  width: 250px;
  height: 250px;
  border: 50px solid rgba(46, 140, 130, 0.09);
  border-radius: 50%;
  content: "";
}

.page-hero__inner {
  position: relative;
  z-index: 2;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.breadcrumbs a:hover {
  color: var(--navy-950);
}

.breadcrumbs svg {
  width: 14px;
  height: 14px;
  opacity: 0.55;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 42px;
}

.section-heading__copy {
  max-width: 760px;
}

.section-heading .section-title,
.section-heading .lead {
  margin-bottom: 0;
}

.card {
  position: relative;
  height: 100%;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.card-hover {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.card-hover:hover {
  border-color: var(--navy-100);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.card__icon {
  display: inline-grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 16px;
  color: var(--navy-900);
  background: var(--navy-50);
}

.card__icon svg {
  width: 27px;
  height: 27px;
}

.card__icon--teal {
  color: var(--teal-700);
  background: var(--teal-100);
}

.card__icon--coral {
  color: var(--coral-700);
  background: var(--coral-100);
}

.card__icon--gold {
  color: #986810;
  background: var(--gold-100);
}

.card p {
  color: var(--muted);
}

.feature-card {
  display: flex;
  flex-direction: column;
}

.feature-card .text-link {
  margin-top: auto;
  padding-top: 20px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--navy-800);
  background: var(--navy-50);
  font-size: 0.78rem;
  font-weight: 800;
}

.pill--teal {
  color: var(--teal-700);
  background: var(--teal-100);
}

.pill--coral {
  color: var(--coral-700);
  background: var(--coral-100);
}

.pill--gold {
  color: #986810;
  background: var(--gold-100);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 72px;
}

.split--wide-copy {
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
}

.visual-panel {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 80% 15%, rgba(247, 201, 92, 0.8), transparent 25%),
    radial-gradient(circle at 15% 80%, rgba(232, 101, 87, 0.38), transparent 30%),
    linear-gradient(145deg, #dcefeb, #dde9f3);
  box-shadow: var(--shadow-md);
}

.visual-panel::before {
  position: absolute;
  top: 60px;
  right: 55px;
  width: 165px;
  height: 165px;
  border: 27px solid rgba(255, 255, 255, 0.56);
  border-radius: 50%;
  content: "";
}

.visual-panel::after {
  position: absolute;
  bottom: -20px;
  left: -10px;
  width: 220px;
  height: 220px;
  border-radius: 35% 65% 58% 42% / 45% 39% 61% 55%;
  content: "";
  background: rgba(36, 74, 124, 0.16);
  transform: rotate(20deg);
}

.visual-panel__quote {
  position: absolute;
  z-index: 2;
  right: 34px;
  bottom: 34px;
  left: 34px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

.visual-panel__quote blockquote {
  margin-bottom: 12px;
  color: var(--navy-950);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.45;
}

.visual-panel__quote p {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
  font-weight: 700;
}

.star-art {
  position: absolute;
  top: 45px;
  left: 50px;
  width: 160px;
  height: 160px;
}

.star-art::before,
.star-art::after {
  position: absolute;
  content: "";
}

.star-art::before {
  inset: 0;
  background: var(--gold-500);
  clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
  filter: drop-shadow(0 15px 20px rgba(227, 165, 46, 0.22));
}

.star-art::after {
  top: 56px;
  left: 56px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--paper);
}

.check-list,
.icon-list,
.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.check-list li {
  position: relative;
  padding-left: 33px;
  color: #385069;
}

.check-list li::before {
  position: absolute;
  top: 0.2em;
  left: 0;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  content: "✓";
  background: var(--teal-600);
  font-size: 0.72rem;
  font-weight: 900;
}

.icon-list {
  display: grid;
  gap: 18px;
}

.icon-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
}

.icon-list__icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 14px;
  color: var(--navy-900);
  background: var(--navy-50);
}

.icon-list__icon svg {
  width: 22px;
  height: 22px;
}

.icon-list strong {
  display: block;
  margin-bottom: 3px;
  color: var(--navy-950);
}

.icon-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.pathway {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.pathway__step {
  position: relative;
  padding: 32px;
}

.pathway__step + .pathway__step {
  border-left: 1px solid var(--line);
}

.pathway__number {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 50%;
  color: var(--white);
  background: var(--navy-900);
  font-size: 0.85rem;
  font-weight: 850;
}

.pathway__step:nth-child(2) .pathway__number {
  background: var(--teal-600);
}

.pathway__step:nth-child(3) .pathway__number {
  background: var(--coral-600);
}

.pathway__step h3 {
  margin-bottom: 8px;
  color: var(--navy-950);
  font-size: 1.28rem;
  letter-spacing: -0.03em;
}

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

.quote-band {
  position: relative;
  overflow: hidden;
  padding: 48px;
  border-radius: var(--radius-lg);
  color: var(--white);
  background:
    radial-gradient(circle at 92% 15%, rgba(247, 201, 92, 0.22), transparent 25%),
    linear-gradient(125deg, var(--navy-900), var(--navy-800));
  box-shadow: var(--shadow-md);
}

.quote-band::after {
  position: absolute;
  top: -65px;
  right: 80px;
  width: 180px;
  height: 180px;
  border: 34px solid rgba(255, 255, 255, 0.07);
  border-radius: 50%;
  content: "";
}

.quote-band__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.quote-band blockquote {
  max-width: 720px;
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.4;
}

.quote-band p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.notice-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  border: 1px solid rgba(227, 165, 46, 0.38);
  border-radius: var(--radius-md);
  background: var(--gold-100);
}

.notice-panel__icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 13px;
  color: #906112;
  background: rgba(255, 255, 255, 0.66);
}

.notice-panel__icon svg {
  width: 22px;
  height: 22px;
}

.notice-panel strong {
  display: block;
  margin-bottom: 2px;
  color: var(--navy-950);
}

.notice-panel p {
  margin: 0;
  color: #6e5a33;
  font-size: 0.9rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 0;
}

.timeline::before {
  position: absolute;
  top: 23px;
  bottom: 23px;
  left: 22px;
  width: 2px;
  content: "";
  background: var(--line);
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 22px;
  padding-bottom: 34px;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__marker {
  position: relative;
  z-index: 2;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 7px solid var(--paper);
  border-radius: 50%;
  color: var(--white);
  background: var(--navy-900);
  box-shadow: 0 0 0 1px var(--line);
  font-size: 0.78rem;
  font-weight: 850;
}

.timeline__item:nth-child(2) .timeline__marker,
.timeline__item:nth-child(5) .timeline__marker {
  background: var(--teal-600);
}

.timeline__item:nth-child(3) .timeline__marker {
  background: var(--coral-600);
}

.timeline__item:nth-child(4) .timeline__marker {
  color: var(--navy-950);
  background: var(--gold-500);
}

.timeline__content {
  padding-top: 6px;
}

.timeline__content h3 {
  margin-bottom: 7px;
  color: var(--navy-950);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

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

.details-list {
  display: grid;
  gap: 12px;
}

.details-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.details-list summary {
  position: relative;
  padding: 21px 58px 21px 22px;
  color: var(--navy-950);
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

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

.details-list summary::after {
  position: absolute;
  top: 50%;
  right: 22px;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--navy-800);
  border-bottom: 2px solid var(--navy-800);
  content: "";
  transform: translateY(-65%) rotate(45deg);
  transition: transform 160ms ease;
}

.details-list details[open] summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.details-list__content {
  padding: 0 22px 22px;
  color: var(--muted);
}

.details-list__content p:last-child {
  margin-bottom: 0;
}

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

.event-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.event-card__date {
  display: grid;
  min-height: 76px;
  place-items: center;
  padding: 8px;
  border-radius: 14px;
  color: var(--navy-950);
  background: var(--navy-50);
  text-align: center;
}

.event-card__date strong {
  display: block;
  font-size: 1.3rem;
  line-height: 1.05;
}

.event-card__date span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.event-card h3 {
  margin-bottom: 3px;
  color: var(--navy-950);
  font-size: 1.08rem;
  letter-spacing: -0.025em;
}

.event-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.empty-state {
  display: grid;
  min-height: 330px;
  place-items: center;
  padding: 48px;
  border: 1px dashed #bccbd7;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.84)),
    url("../img/pattern-hangul.svg");
  text-align: center;
}

.empty-state__icon {
  display: grid;
  width: 70px;
  height: 70px;
  place-items: center;
  margin: 0 auto 20px;
  border-radius: 22px;
  color: var(--navy-900);
  background: var(--navy-50);
}

.empty-state__icon svg {
  width: 32px;
  height: 32px;
}

.empty-state h2,
.empty-state h3 {
  margin-bottom: 8px;
  color: var(--navy-950);
  letter-spacing: -0.03em;
}

.empty-state p {
  max-width: 550px;
  margin-inline: auto;
  color: var(--muted);
}

.news-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.news-card__visual {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, rgba(247, 201, 92, 0.8), transparent 25%),
    radial-gradient(circle at 20% 80%, rgba(232, 101, 87, 0.38), transparent 28%),
    linear-gradient(145deg, #dcefeb, #eef5f3);
}

.news-card__visual::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110px;
  height: 110px;
  content: "";
  background: var(--navy-800);
  clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
  opacity: 0.8;
  transform: translate(-50%, -50%);
}

.news-card__visual--coral {
  background:
    radial-gradient(circle at 18% 20%, rgba(247, 201, 92, 0.75), transparent 24%),
    linear-gradient(145deg, #fae5e0, #fff3cf);
}

.news-card__visual--navy {
  background:
    linear-gradient(rgba(23, 54, 86, 0.9), rgba(36, 74, 124, 0.92)),
    url("../img/pattern-hangul.svg");
}

.news-card__visual--navy::before {
  background: var(--gold-500);
}

.news-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 26px;
}

.news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 750;
}

.news-card__body p {
  color: var(--muted);
}

.news-card__body .text-link {
  margin-top: auto;
  padding-top: 18px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  grid-template-rows: 230px 230px;
  gap: 16px;
}

.gallery-tile {
  position: relative;
  display: flex;
  overflow: hidden;
  align-items: flex-end;
  padding: 24px;
  border-radius: var(--radius-md);
  color: var(--white);
  background:
    linear-gradient(180deg, transparent 30%, rgba(16, 42, 67, 0.78)),
    radial-gradient(circle at 70% 25%, rgba(247, 201, 92, 0.85), transparent 25%),
    linear-gradient(145deg, #2e8c82, #244a7c);
  box-shadow: var(--shadow-sm);
}

.gallery-tile:first-child {
  grid-row: 1 / span 2;
}

.gallery-tile:nth-child(2) {
  background:
    linear-gradient(180deg, transparent 30%, rgba(16, 42, 67, 0.78)),
    radial-gradient(circle at 25% 25%, rgba(247, 201, 92, 0.8), transparent 28%),
    linear-gradient(145deg, #e86557, #b7424a);
}

.gallery-tile:nth-child(3) {
  background:
    linear-gradient(180deg, transparent 30%, rgba(16, 42, 67, 0.78)),
    radial-gradient(circle at 75% 25%, rgba(232, 101, 87, 0.55), transparent 28%),
    linear-gradient(145deg, #dcefeb, #315a8e);
}

.gallery-tile:nth-child(4) {
  grid-column: 2 / span 2;
  background:
    linear-gradient(180deg, transparent 30%, rgba(16, 42, 67, 0.78)),
    radial-gradient(circle at 20% 20%, rgba(247, 201, 92, 0.9), transparent 25%),
    linear-gradient(145deg, #244a7c, #173656);
}

.gallery-tile__symbol {
  position: absolute;
  top: 50%;
  left: 50%;
  color: rgba(255, 255, 255, 0.55);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 900;
  transform: translate(-50%, -55%);
}

.gallery-tile strong {
  position: relative;
  z-index: 2;
  display: block;
  font-size: 1.1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
}

.contact-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.contact-methods {
  display: grid;
  gap: 12px;
}

.contact-method {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.contact-method:hover {
  border-color: var(--navy-100);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.contact-method__icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  color: var(--navy-900);
  background: var(--navy-50);
}

.contact-method__icon svg {
  width: 23px;
  height: 23px;
}

.contact-method strong {
  display: block;
  color: var(--navy-950);
  font-size: 0.96rem;
}

.contact-method span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.contact-method > svg {
  width: 18px;
  height: 18px;
  color: var(--muted);
}

.map-placeholder {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(238, 245, 243, 0.86), rgba(221, 233, 243, 0.9)),
    url("../img/pattern-hangul.svg");
  box-shadow: var(--shadow-sm);
}

.map-placeholder::before,
.map-placeholder::after {
  position: absolute;
  border-radius: 999px;
  content: "";
  background: rgba(36, 74, 124, 0.15);
}

.map-placeholder::before {
  top: 20%;
  left: -12%;
  width: 120%;
  height: 18px;
  transform: rotate(-12deg);
}

.map-placeholder::after {
  top: -5%;
  left: 52%;
  width: 16px;
  height: 120%;
  transform: rotate(18deg);
}

.map-placeholder__pin {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  width: 74px;
  height: 74px;
  place-items: center;
  border: 8px solid rgba(255, 255, 255, 0.86);
  border-radius: 50% 50% 50% 8px;
  color: var(--white);
  background: var(--coral-600);
  box-shadow: var(--shadow-md);
  transform: translate(-50%, -60%) rotate(-45deg);
}

.map-placeholder__pin svg {
  width: 28px;
  height: 28px;
  transform: rotate(45deg);
}

.map-placeholder__label {
  position: absolute;
  z-index: 3;
  right: 28px;
  bottom: 28px;
  left: 28px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-md);
  text-align: center;
  backdrop-filter: blur(12px);
}

.map-placeholder__label strong {
  display: block;
  color: var(--navy-950);
}

.map-placeholder__label span {
  color: var(--muted);
  font-size: 0.88rem;
}

.prose {
  color: #385069;
}

.prose h2,
.prose h3 {
  color: var(--navy-950);
  letter-spacing: -0.03em;
}

.prose h2 {
  margin-top: 48px;
  margin-bottom: 16px;
  font-size: 1.75rem;
}

.prose h3 {
  margin-top: 30px;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.prose a {
  color: var(--navy-800);
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cta-section {
  padding-block: 88px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 58px;
  border-radius: var(--radius-xl);
  color: var(--white);
  background:
    radial-gradient(circle at 88% 18%, rgba(247, 201, 92, 0.26), transparent 24%),
    radial-gradient(circle at 12% 88%, rgba(46, 140, 130, 0.24), transparent 28%),
    linear-gradient(125deg, var(--navy-950), var(--navy-800));
  box-shadow: var(--shadow-lg);
}

.cta-panel::after {
  position: absolute;
  top: -60px;
  right: 80px;
  width: 200px;
  height: 200px;
  border: 38px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  content: "";
}

.cta-panel__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
}

.cta-panel__copy {
  max-width: 730px;
}

.cta-panel h2 {
  margin-bottom: 14px;
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 820;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.cta-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
}

.cta-panel__actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer {
  color: rgba(255, 255, 255, 0.76);
  background: #0d2238;
}

.site-footer__main {
  display: grid;
  grid-template-columns: minmax(260px, 1.35fr) repeat(3, minmax(150px, 0.55fr));
  gap: 44px;
  padding-block: 66px 50px;
}

.site-footer .brand__ko,
.site-footer .brand__en {
  color: var(--white);
}

.site-footer .brand__en {
  opacity: 0.66;
}

.site-footer__about {
  max-width: 420px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.93rem;
}

.site-footer__heading {
  margin-bottom: 14px;
  color: var(--white);
  font-size: 0.83rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer__links {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__links a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
  transition: color 150ms ease;
}

.site-footer__links a:hover {
  color: var(--white);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 21px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
}

.site-footer__bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer__bottom a:hover {
  color: var(--white);
}

.language-landing {
  min-height: 100vh;
  background:
    radial-gradient(circle at 88% 12%, rgba(247, 201, 92, 0.24), transparent 26%),
    radial-gradient(circle at 10% 90%, rgba(46, 140, 130, 0.18), transparent 28%),
    linear-gradient(145deg, #fffdf8, #f1f6fa);
}

.language-landing__inner {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: 80px;
  padding-block: 70px;
}

.language-landing__brand {
  margin-bottom: 44px;
}

.language-landing__mark {
  width: 90px;
  height: 90px;
  margin-bottom: 24px;
}

.language-landing h1 {
  max-width: 710px;
  margin-bottom: 20px;
  color: var(--navy-950);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 850;
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.language-landing__lead {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.language-cards {
  display: grid;
  gap: 16px;
}

.language-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-md);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.language-card:hover {
  border-color: var(--navy-100);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.language-card::after {
  position: absolute;
  top: -44px;
  right: -34px;
  width: 135px;
  height: 135px;
  border: 24px solid rgba(46, 140, 130, 0.08);
  border-radius: 50%;
  content: "";
}

.language-card:nth-child(2)::after {
  border-color: rgba(232, 101, 87, 0.08);
}

.language-card__label {
  position: relative;
  z-index: 2;
}

.language-card__label strong {
  display: block;
  margin-bottom: 3px;
  color: var(--navy-950);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.language-card__label span {
  color: var(--muted);
  font-size: 0.9rem;
}

.language-card__arrow {
  position: relative;
  z-index: 2;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 15px;
  color: var(--white);
  background: var(--navy-900);
}

.language-card:nth-child(2) .language-card__arrow {
  background: var(--coral-600);
}

.language-card__arrow svg {
  width: 20px;
  height: 20px;
}

.language-landing__art {
  position: relative;
}

.language-landing__art img {
  width: 100%;
  filter: drop-shadow(0 30px 45px rgba(16, 42, 67, 0.1));
}

[hidden] {
  display: none !important;
}

.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  :root {
    --header-height: 76px;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    padding: 20px;
    border-top: 1px solid var(--line);
    background: rgba(255, 253, 248, 0.98);
    backdrop-filter: blur(18px);
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav__link {
    min-height: 52px;
    padding: 12px 15px;
    font-size: 1rem;
  }

  .primary-nav__link[aria-current="page"]::after {
    right: auto;
    bottom: 11px;
    left: 15px;
    width: 36px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-registration {
    display: none;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.82fr);
    gap: 34px;
  }

  .site-footer__main {
    grid-template-columns: minmax(260px, 1.4fr) repeat(2, minmax(150px, 0.6fr));
  }

  .site-footer__column:last-child {
    grid-column: 2 / span 2;
  }
}

@media (max-width: 860px) {
  .section {
    padding-block: 76px;
  }

  .section-sm {
    padding-block: 52px;
  }

  .hero {
    padding-block: 48px 76px;
  }

  .hero__grid,
  .split,
  .split--wide-copy,
  .contact-grid,
  .language-landing__inner {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    width: min(100%, 620px);
    margin-inline: auto;
  }

  .hero__badge {
    right: 8px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 > :last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

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

  .pathway__step + .pathway__step {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .section-heading,
  .quote-band__inner,
  .cta-panel__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading {
    display: flex;
  }

  .quote-band__inner,
  .cta-panel__inner {
    display: flex;
  }

  .cta-panel__actions {
    width: 100%;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: 260px 220px 220px;
  }

  .gallery-tile:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .gallery-tile:nth-child(4) {
    grid-column: 1 / -1;
  }

  .language-landing__inner {
    gap: 40px;
  }

  .language-landing__art {
    order: -1;
    width: min(100%, 520px);
    margin-inline: auto;
  }
}

@media (max-width: 680px) {
  .container,
  .narrow {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header__inner {
    gap: 10px;
  }

  .brand__mark {
    width: 43px;
    height: 43px;
  }

  .brand__ko {
    font-size: 0.96rem;
  }

  .brand__en {
    font-size: 0.57rem;
  }

  .icon-link {
    display: none;
  }

  .page-hero {
    padding-block: 66px 72px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .grid-3 > :last-child:nth-child(odd) {
    grid-column: auto;
  }

  .card {
    padding: 24px;
  }

  .hero__actions .button,
  .cta-panel__actions .button {
    width: 100%;
  }

  .hero__badge {
    position: relative;
    right: auto;
    bottom: auto;
    max-width: none;
    margin-top: -20px;
  }

  .notice-panel {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .notice-panel .button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .event-card {
    grid-template-columns: 76px minmax(0, 1fr);
  }

  .event-card .button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 220px);
  }

  .gallery-tile:first-child,
  .gallery-tile:nth-child(4) {
    grid-column: auto;
  }

  .cta-panel,
  .quote-band {
    padding: 36px 26px;
    border-radius: var(--radius-lg);
  }

  .site-footer__main {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .site-footer__column:last-child {
    grid-column: auto;
  }

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

  .language-landing__inner {
    padding-block: 36px 50px;
  }

  .language-landing__mark {
    width: 72px;
    height: 72px;
  }

  .language-card {
    padding: 23px;
  }
}

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

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

  .fade-up {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-alert,
  .site-header,
  .cta-section,
  .site-footer,
  .button,
  .text-link {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .section,
  .section-sm,
  .page-hero {
    padding-block: 28px;
  }

  .card,
  .contact-card,
  .details-list details,
  .pathway {
    box-shadow: none;
  }
}

/* Robust progressive enhancement: content remains visible even if JavaScript is unavailable. */
.fade-up,
.fade-up.is-visible {
  opacity: 1;
  transform: none;
}

.site-alert__inner > svg,
.site-alert__inner a > svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.site-alert__inner a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}