:root {
  --bg: #ffffff;
  --bg-soft: #f5f8f4;
  --bg-sage: #edf3ec;
  --text: #17211c;
  --muted: #5d6b63;
  --line: #d8e0d9;
  --green: #184c36;
  --green-deep: #0d3425;
  --green-soft: #e6efe7;
  --plum: #7a365f;
  --plum-soft: #f3e7ef;
  --shadow: 0 20px 55px rgba(18, 44, 32, 0.12);
  --max: 1180px;
  --header-h: 76px;
  --radius: 8px;
  font-family:
    Pretendard,
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(122, 54, 95, 0.24);
  outline-offset: 3px;
}

button,
input {
  font: inherit;
}

[id] {
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-140%);
  background: var(--green);
  color: #fff;
  padding: 10px 14px;
  border-radius: 4px;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 24px rgba(20, 42, 31, 0.08);
}

.header-inner,
.section,
.footer-inner {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: block;
  min-width: 240px;
  flex: 0 0 auto;
}

.brand-logo {
  width: 240px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #26332d;
  font-size: 0.94rem;
  font-weight: 620;
}

.site-nav a {
  position: relative;
  padding: 9px 0;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 11px 18px;
  border-radius: 3px;
  background: var(--green);
  color: #fff;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--green);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span:not(.sr-only) {
  width: 18px;
  height: 2px;
  background: currentColor;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.nav-open .menu-toggle span:nth-child(2) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .menu-toggle span:nth-child(3) {
  opacity: 0;
}

.nav-open .menu-toggle span:nth-child(4) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: calc(92vh - var(--header-h));
  display: grid;
  grid-template-columns: minmax(24px, 1fr) minmax(0, 580px) minmax(430px, 760px) minmax(24px, 1fr);
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, #fff 0%, #fff 41%, rgba(255, 255, 255, 0.92) 49%, rgba(255, 255, 255, 0) 64%),
    linear-gradient(180deg, rgba(255, 255, 255, 0) 76%, #fff 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-copy {
  grid-column: 2;
  position: relative;
  z-index: 3;
  padding: 72px 0 104px;
}

.section-kicker {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 650px;
  font-family:
    "Nanum Myeongjo",
    "Apple SD Gothic Neo",
    "Noto Serif KR",
    serif;
  font-size: clamp(3.1rem, 5vw, 5.65rem);
  font-weight: 760;
  line-height: 1.14;
  word-break: keep-all;
}

.hero-text {
  max-width: 470px;
  margin: 28px 0 0;
  color: #304139;
  font-size: clamp(1.06rem, 1.5vw, 1.28rem);
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 44px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 0.96rem;
  font-weight: 720;
  line-height: 1.2;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--green);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--green-deep);
}

.button-secondary {
  background: transparent;
  border-color: var(--plum);
  color: var(--plum);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--plum-soft);
}

.hero-media {
  position: absolute;
  inset: 0 0 0 37%;
  z-index: 1;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 27px;
  z-index: 4;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--green);
}

.hero-scroll svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.section {
  padding: 96px 0;
}

.intro-section {
  padding-top: 86px;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(360px, 1.1fr);
  gap: 86px;
  align-items: start;
}

h2 {
  margin: 0;
  font-family:
    "Nanum Myeongjo",
    "Apple SD Gothic Neo",
    "Noto Serif KR",
    serif;
  font-size: clamp(2rem, 3.2vw, 3.5rem);
  font-weight: 730;
  line-height: 1.28;
  word-break: keep-all;
}

h3,
p {
  margin-top: 0;
  word-break: keep-all;
}

.intro-copy {
  color: #35433d;
  font-size: 1.02rem;
  line-height: 1.92;
}

.intro-copy p + p {
  margin-top: 18px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 72px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle {
  min-height: 228px;
  padding: 38px 28px 34px;
  text-align: center;
  border-right: 1px solid var(--line);
}

.principle:last-child {
  border-right: 0;
}

.principle svg {
  width: 46px;
  height: 46px;
  margin: 0 auto 22px;
  fill: none;
  stroke: var(--green);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.principle h3,
.program-card h3,
.report-items h3,
.news-card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
  line-height: 1.35;
}

.principle p,
.program-card p,
.report-items p,
.news-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.72;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 38px;
}

.text-link,
.card-link,
.news-card a {
  display: inline-flex;
  align-items: center;
  color: var(--green);
  font-weight: 760;
}

.text-link::after,
.card-link::after,
.news-card a::after {
  content: "";
  width: 22px;
  height: 9px;
  margin-left: 9px;
  background:
    linear-gradient(currentColor, currentColor) center / 100% 1.5px no-repeat,
    linear-gradient(45deg, transparent 46%, currentColor 48% 54%, transparent 56%) right center / 9px 9px no-repeat;
  transition: transform 180ms ease;
}

.text-link:hover::after,
.text-link:focus-visible::after,
.card-link:hover::after,
.card-link:focus-visible::after,
.news-card a:hover::after,
.news-card a:focus-visible::after {
  transform: translateX(4px);
}

.program-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.program-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding-bottom: 6px;
}

.program-visual {
  height: 210px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 20% 25%, rgba(255, 255, 255, 0.8), transparent 34%),
    var(--green-soft);
  color: var(--green);
  overflow: hidden;
}

.program-visual svg {
  width: 96px;
  height: 96px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.program-visual-care {
  background:
    radial-gradient(circle at 25% 22%, rgba(255, 255, 255, 0.78), transparent 35%),
    var(--plum-soft);
  color: var(--plum);
}

.program-visual-tech {
  background:
    radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.78), transparent 35%),
    #e8eff2;
  color: #28505d;
}

.card-link {
  margin-top: auto;
  padding-top: 22px;
  color: var(--green);
}

.program-visual-care + h3 + p + .card-link {
  color: var(--plum);
}

.report-band {
  display: grid;
  grid-template-columns: minmax(24px, 1fr) minmax(260px, 360px) minmax(560px, 820px) minmax(24px, 1fr);
  gap: 56px;
  align-items: stretch;
  padding: 82px 0;
  background: linear-gradient(90deg, var(--bg-sage), #f9fbf8);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.report-copy {
  grid-column: 2;
}

.report-copy p:not(.section-kicker) {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.78;
  margin: 20px 0 28px;
}

.report-items {
  grid-column: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--line);
}

.report-items article {
  padding: 20px 26px;
  border-right: 1px solid var(--line);
}

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

.report-items svg {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  fill: none;
  stroke: var(--green);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.transparency-panel {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(340px, 1.05fr);
  gap: 58px;
  align-items: center;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.transparency-panel p {
  color: var(--muted);
  line-height: 1.82;
  margin-bottom: 0;
}

.check-list {
  display: grid;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 16px 18px 16px 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #2d3a34;
  line-height: 1.58;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 21px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(-45deg);
}

.news-section {
  padding-top: 40px;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.news-card span {
  display: block;
  margin-bottom: 18px;
  color: var(--plum);
  font-size: 0.78rem;
  font-weight: 800;
}

.news-card a {
  margin-top: 24px;
  font-size: 0.94rem;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(24px, 1fr) minmax(300px, 430px) minmax(420px, 650px) minmax(24px, 1fr);
  gap: 60px;
  padding: 72px 0;
  border-top: 1px solid var(--line);
  background: #fbfcfb;
}

.contact-block {
  grid-column: 2;
}

.contact-block p,
.newsletter p {
  color: var(--muted);
  line-height: 1.78;
}

.newsletter {
  grid-column: 3;
  padding-left: 56px;
  border-left: 1px solid var(--line);
}

.newsletter label {
  display: block;
  margin-bottom: 8px;
  font-size: 1.55rem;
  font-weight: 760;
}

.newsletter-row {
  display: flex;
  gap: 0;
  margin-top: 24px;
}

.newsletter input {
  min-width: 0;
  flex: 1;
  min-height: 50px;
  border: 1px solid #b8c4bc;
  border-right: 0;
  border-radius: 3px 0 0 3px;
  padding: 0 16px;
  color: var(--text);
}

.newsletter input:focus {
  border-color: var(--green);
}

.newsletter .button {
  border-radius: 0 3px 3px 0;
}

.form-note {
  min-height: 27px;
  margin: 14px 0 0;
  font-size: 0.86rem;
}

.form-note.is-success {
  color: var(--green);
  font-weight: 720;
}

.site-footer {
  background: var(--green-deep);
  color: #fff;
}

.footer-inner {
  min-height: 128px;
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr);
  gap: 32px;
  align-items: center;
}

.footer-inner p {
  color: rgba(255, 255, 255, 0.68);
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  font-size: 0.92rem;
  font-weight: 650;
}

.footer-inner p {
  margin: 0;
  text-align: right;
  font-size: 0.84rem;
}

@media (max-width: 1020px) {
  .site-nav {
    gap: 20px;
  }

  .hero {
    grid-template-columns: minmax(24px, 1fr) minmax(0, var(--max)) minmax(24px, 1fr);
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(90deg, #fff 0%, rgba(255, 255, 255, 0.96) 50%, rgba(255, 255, 255, 0.5) 100%),
      linear-gradient(180deg, rgba(255, 255, 255, 0) 72%, #fff 100%);
  }

  .hero-copy {
    grid-column: 2;
    padding: 96px 0 132px;
  }

  .hero-media {
    inset: 0;
  }

  .section-grid,
  .transparency-panel,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .section-grid {
    gap: 34px;
  }

  .principles,
  .program-list,
  .news-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .report-band {
    grid-template-columns: minmax(24px, 1fr) minmax(0, var(--max)) minmax(24px, 1fr);
    gap: 36px;
  }

  .report-copy,
  .report-items {
    grid-column: 2;
  }

  .report-items {
    grid-template-columns: repeat(2, 1fr);
    border-left: 0;
    border-top: 1px solid var(--line);
  }

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

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

  .contact-block,
  .newsletter {
    grid-column: 2;
  }

  .newsletter {
    padding: 36px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: start;
    padding: 34px 0;
  }

  .footer-inner nav {
    justify-content: start;
  }

  .footer-inner p {
    text-align: left;
  }
}

@media (max-width: 820px) {
  :root {
    --header-h: 70px;
  }

  .header-inner,
  .section,
  .footer-inner {
    width: min(calc(100% - 34px), var(--max));
  }

  .menu-toggle {
    display: inline-flex;
    z-index: 35;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    max-height: calc(100vh - var(--header-h));
    display: grid;
    gap: 0;
    padding: 16px 24px 26px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    visibility: hidden;
    transition:
      transform 220ms ease,
      visibility 220ms ease;
  }

  .nav-open .site-nav {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.04rem;
  }

  .site-nav .nav-cta {
    margin-top: 14px;
    padding: 14px 18px;
    text-align: center;
    border-bottom: 0;
  }

  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: 205px;
    max-width: calc(100vw - 96px);
  }

  .hero {
    min-height: 620px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.94) 53%, rgba(255, 255, 255, 0.18) 100%),
      linear-gradient(180deg, rgba(255, 255, 255, 0) 74%, #fff 100%);
  }

  .hero-copy {
    align-self: start;
    padding: 64px 0 170px;
  }

  .hero h1 {
    max-width: 430px;
    font-size: clamp(2.7rem, 10vw, 3.6rem);
  }

  .hero-text {
    max-width: 390px;
  }

  .hero-media {
    inset: 43% 0 0;
  }

  .hero-media img {
    object-position: 61% center;
  }

  .hero-scroll {
    left: 50%;
    bottom: 18px;
  }

  .section {
    padding: 72px 0;
  }

  .principles,
  .program-list,
  .news-list,
  .report-items {
    grid-template-columns: 1fr;
  }

  .principle {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principle:last-child {
    border-bottom: 0;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .program-card {
    min-height: auto;
  }

  .program-visual {
    height: 180px;
  }

  .report-items article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .transparency-panel {
    padding: 32px 22px;
  }

  .contact-section {
    padding: 60px 0;
  }

  .newsletter-row {
    display: grid;
    gap: 12px;
  }

  .newsletter input,
  .newsletter .button {
    width: 100%;
    border-radius: 3px;
    border: 1px solid #b8c4bc;
  }
}

@media (max-width: 440px) {
  .hero-actions {
    display: grid;
    gap: 12px;
  }

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

  .brand-logo {
    width: 172px;
  }

  .hero {
    min-height: 610px;
  }

  .hero-copy {
    padding-top: 58px;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 10vw, 3.35rem);
  }

  h2 {
    font-size: clamp(1.85rem, 9vw, 2.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}