/* ========================================================
   KCTA (한국기후테크협회) - Nordic Climate Authority
   Design tokens defined in DESIGN.md.
   No hex hardcoding. No magic px. Tokens only.
   ======================================================== */

:root {
  /* Color tokens */
  --color-bg: #f4f1e8;
  --color-bg-soft: #ebe7d8;
  --color-surface: #ffffff;
  --color-ink: #1a2420;
  --color-ink-dim: #4a5450;
  --color-ink-mute: #8a948f;
  --color-brand: #1f3d2e;
  --color-brand-soft: #2d5641;
  --color-accent: #b8924f;
  --color-line: #d9d4c1;
  --color-line-strong: #b8b2a0;
  --color-danger: #8b2a1f;

  /* Quick-card solid fill tints */
  --color-tint-slate: #1d5b5e;
  --color-tint-clay: #b57c31;
  --color-tint-graphite: #3d4a52;

  /* Typography — gothic only, Pretendard single family */
  --font-display: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", "맑은 고딕", sans-serif;
  --font-sans: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", "맑은 고딕", sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.75rem;
  --text-2xl: 2.5rem;
  --text-3xl: 3.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 760px;

  /* Border / Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-full: 9999px;

  /* Shadow */
  --shadow-card: 0 1px 2px rgba(26, 36, 32, 0.06), 0 4px 12px rgba(26, 36, 32, 0.04);
  --shadow-card-hover: 0 2px 4px rgba(26, 36, 32, 0.08), 0 12px 24px rgba(26, 36, 32, 0.08);
  --shadow-modal: 0 12px 40px rgba(26, 36, 32, 0.18);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
}

/* ========================================================
   Reset & Base
   ======================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-brand);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--color-brand-soft);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

button {
  font-family: inherit;
  cursor: pointer;
}

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

/* ========================================================
   Typography
   ======================================================== */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-ink);
  margin: 0;
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--text-3xl);
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 800;
}

h2 {
  font-size: var(--text-2xl);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--text-xl);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.015em;
}

h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--text-base);
  margin: 0;
}

p {
  margin: 0;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: var(--space-lg);
  height: 1px;
  background: var(--color-accent);
}

.lead {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-ink-dim);
  max-width: var(--container-narrow);
}

.meta {
  font-size: var(--text-sm);
  color: var(--color-ink-mute);
}

/* ========================================================
   Layout
   ======================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.section-soft {
  background-color: var(--color-bg-soft);
}

.section-brand {
  background-color: var(--color-brand);
  color: var(--color-bg);
}

.section-brand h1,
.section-brand h2,
.section-brand h3 {
  color: var(--color-bg);
}

.section-header {
  margin-bottom: var(--space-2xl);
  max-width: var(--container-narrow);
}

.section-header .eyebrow {
  margin-bottom: var(--space-md);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

/* ========================================================
   Header / Navigation
   ======================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: saturate(140%) blur(8px);
  background-color: rgba(244, 241, 232, 0.92);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: var(--space-xl);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-brand);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.site-logo__mark {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-brand);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.site-logo__mark svg {
  width: 1.4rem;
  height: 1.4rem;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
}

.site-logo__sub {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex: 1;
  justify-content: center;
}

.site-nav__item {
  position: relative;
  list-style: none;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-md) 0;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--color-brand);
}

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-brand);
}

.site-nav__submenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(var(--space-sm));
  min-width: 12rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              visibility var(--duration-base);
  list-style: none;
}

.site-nav__item:hover .site-nav__submenu,
.site-nav__item:focus-within .site-nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.site-nav__submenu li {
  list-style: none;
}

.site-nav__submenu a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
  border-radius: var(--radius-sm);
}

.site-nav__submenu a:hover {
  background-color: var(--color-bg-soft);
  color: var(--color-brand);
}

.site-header__cta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  padding: 0;
}

.nav-toggle__bar {
  display: block;
  width: 1rem;
  height: 1.5px;
  background-color: var(--color-ink);
}

/* ========================================================
   Buttons
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.5rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-brand);
  color: var(--color-bg);
}

.btn-primary:hover {
  background-color: var(--color-brand-soft);
  color: var(--color-bg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand);
}

.btn-secondary:hover {
  background-color: var(--color-brand);
  color: var(--color-bg);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-ink);
  padding-left: 0;
  padding-right: 0;
  border-bottom: 1px solid var(--color-accent);
  border-radius: 0;
  min-height: auto;
  padding-bottom: var(--space-xs);
}

.btn-ghost:hover {
  color: var(--color-brand);
}

.btn-on-brand {
  background-color: var(--color-bg);
  color: var(--color-brand);
}

.btn-on-brand:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

.btn-lg {
  padding: 1.125rem 2rem;
  font-size: var(--text-base);
  min-height: 56px;
}

/* ========================================================
   Hero
   ======================================================== */
.hero {
  position: relative;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  overflow: hidden;
}

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

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('../assets/homeimage.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  pointer-events: none;
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(
      ellipse 70% 110% at 22% 55%,
      var(--color-bg) 0%,
      color-mix(in srgb, var(--color-bg) 80%, transparent) 45%,
      color-mix(in srgb, var(--color-bg) 25%, transparent) 75%,
      color-mix(in srgb, var(--color-bg) 5%, transparent) 100%
    );
  pointer-events: none;
}

.hero__eyebrow {
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: var(--text-3xl);
  line-height: 1.1;
  max-width: 18ch;
  margin-bottom: var(--space-lg);
}

.hero__title strong {
  color: var(--color-brand);
  font-weight: 800;
}

.hero__lead {
  max-width: 48ch;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero__meta {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-line);
}

.hero__meta-item {
  flex: 1;
  max-width: 14rem;
}

.hero__meta-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-brand);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-xs);
}

.hero__meta-label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}

.hero__mark {
  position: absolute;
  right: var(--space-3xl);
  top: 50%;
  transform: translateY(-50%);
  width: 22rem;
  height: 22rem;
  opacity: 0.08;
  z-index: 1;
  pointer-events: none;
}

/* Page header (sub-pages) */
.page-header {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  background-color: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-line);
}

.page-header .breadcrumb {
  margin-bottom: var(--space-md);
}

.page-header h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-ink-mute);
  list-style: none;
}

.breadcrumb li::after {
  content: "›";
  margin-left: var(--space-xs);
}

.breadcrumb li:last-child::after {
  content: none;
}

.breadcrumb a {
  color: var(--color-ink-mute);
}

.breadcrumb a:hover {
  color: var(--color-brand);
}

/* ========================================================
   Cards & Grids
   ======================================================== */
.grid {
  display: grid;
  gap: var(--space-lg);
}

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

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

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

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.card__number {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: block;
}

.card h3 {
  margin-bottom: var(--space-md);
}

.card p {
  color: var(--color-ink-dim);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.card__footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-xs);
  color: var(--color-ink-mute);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ========================================================
   News / List
   ======================================================== */
.news-list {
  list-style: none;
  border-top: 1px solid var(--color-line);
}

.news-list__item {
  border-bottom: 1px solid var(--color-line);
}

.news-list__link {
  display: grid;
  grid-template-columns: 6rem 1fr auto;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  color: var(--color-ink);
}

.news-list__link:hover {
  color: var(--color-brand);
}

.news-list__link:hover .news-list__title {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 4px;
}

.news-list__tag {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
}

.news-list__title {
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1.5;
}

.news-list__date {
  font-size: var(--text-sm);
  color: var(--color-ink-mute);
  font-variant-numeric: tabular-nums;
}

/* 공지 본문 (상세 페이지) */
.news-notice__body {
  color: var(--color-ink-dim);
  line-height: 1.7;
  white-space: pre-wrap;
}

/* 공지 관리(admin) 행 */
.admin-notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
}
.admin-notice__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 0;
}

/* 문의 접수함 — 관리자 열람 카드 */
.admin-inquiry {
  padding: var(--space-lg) 0;
}
.admin-inquiry__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
}
.admin-inquiry__head .news-list__title {
  flex: 1 1 12rem;
}
.admin-inquiry__fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-md);
}
.admin-inquiry__field {
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
  word-break: break-word;
}
.admin-inquiry__field b {
  color: var(--color-ink-mute);
  font-weight: 600;
  margin-right: var(--space-xs);
}
.admin-inquiry__message {
  color: var(--color-ink-dim);
  line-height: 1.7;
  white-space: pre-wrap;
  padding: var(--space-md);
  background: var(--color-bg-soft);
  border-radius: var(--radius-sm);
}
@media (max-width: 640px) {
  .admin-inquiry__fields {
    grid-template-columns: 1fr;
  }
}

/* 콘텐츠 관리 — 로그인 후 상단 바 */
.admin-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}
.admin-bar__user {
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
}

/* 콘텐츠 관리 — 타입 전환 탭 */
.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}
.admin-tabs__tab {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}
.admin-tabs__tab:hover {
  color: var(--color-brand);
  border-color: var(--color-line-strong);
}
.admin-tabs__tab[aria-current="page"] {
  background: var(--color-brand);
  color: var(--color-bg);
  border-color: var(--color-brand);
}
.form-status {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
}
.form-status[data-state="ok"] {
  color: var(--color-brand-soft);
}
.form-status[data-state="err"] {
  color: var(--color-danger);
}

/* ========================================================
   Timeline (연혁)
   ======================================================== */
.timeline {
  position: relative;
  padding-left: var(--space-xl);
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-line);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-2xl);
}

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

.timeline__item::before {
  content: "";
  position: absolute;
  left: calc(var(--space-xl) * -1);
  top: var(--space-sm);
  width: 11px;
  height: 11px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg);
  border: 2px solid var(--color-brand);
  transform: translateX(-5px);
}

.timeline__year {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-brand);
  margin-bottom: var(--space-sm);
  display: block;
}

.timeline__events {
  list-style: none;
}

.timeline__events li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  font-size: 1rem; /* 16px — 본문 기준 크기 */
  color: var(--color-ink-dim);
  border-bottom: 1px dashed var(--color-line);
}

.timeline__events li:last-child {
  border-bottom: none;
}

.timeline__events strong {
  font-weight: 600;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

/* ========================================================
   Member logos
   ======================================================== */
.member-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--color-line);
  border: 1px solid var(--color-line);
}

.member-grid__cell {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface);
  padding: var(--space-xl) var(--space-lg);
  min-height: 7rem;
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-ink);
  text-align: center;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.member-grid__cell:hover {
  background-color: var(--color-bg-soft);
}

.member-grid__cell small {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-ink-mute);
  margin-top: var(--space-xs);
  letter-spacing: 0.06em;
}

/* ========================================================
   Forms
   ======================================================== */
.form {
  display: grid;
  gap: var(--space-lg);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* display:flex가 기본 [hidden]을 덮어쓰므로 숨김 복구 */
.field[hidden] {
  display: none;
}

.field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
}

.field label .required {
  color: var(--color-danger);
  margin-left: var(--space-xs);
}

.field input,
.field textarea,
.field select {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  padding: 0.875rem var(--space-md);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-ink);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  min-height: 44px;
}

.field textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: 1.6;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(31, 61, 46, 0.12);
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.field-hint {
  font-size: var(--text-xs);
  color: var(--color-ink-mute);
}

/* ========================================================
   Footer
   ======================================================== */
.site-footer {
  background-color: var(--color-ink);
  color: var(--color-bg);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
  margin-top: var(--space-3xl);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(217, 212, 193, 0.16);
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.site-footer__brand .site-logo {
  color: var(--color-bg);
}

.site-footer__brand .site-logo__sub {
  color: rgba(244, 241, 232, 0.5);
}

.site-footer__brand p {
  font-size: var(--text-sm);
  color: rgba(244, 241, 232, 0.7);
  line-height: 1.7;
}

.site-footer__col h4 {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.site-footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-footer__col a {
  font-size: var(--text-sm);
  color: rgba(244, 241, 232, 0.7);
}

.site-footer__col a:hover {
  color: var(--color-bg);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  font-size: var(--text-xs);
  color: rgba(244, 241, 232, 0.5);
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ========================================================
   Prose (text-heavy pages)
   ======================================================== */
.prose {
  max-width: var(--container-narrow);
}

.prose > * + * {
  margin-top: var(--space-lg);
}

.prose p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-ink);
}

.prose h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
}

.prose h3 {
  font-size: var(--text-lg);
  font-family: var(--font-sans);
  font-weight: 700;
  margin-top: var(--space-xl);
}

.prose blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 3px solid var(--color-accent);
  background-color: var(--color-bg-soft);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--color-ink);
}

.prose ul,
.prose ol {
  padding-left: var(--space-xl);
}

.prose li {
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

/* ========================================================
   Two-column layout (sub-pages with side nav)
   ======================================================== */
.layout-2col {
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: var(--space-3xl);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}

.side-nav {
  position: sticky;
  top: 6rem;
  align-self: start;
}

.side-nav__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-line);
}

.side-nav__list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.side-nav__list a {
  display: block;
  padding: var(--space-sm) 0;
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
  border-bottom: 1px dashed var(--color-line);
}

.side-nav__list a:hover {
  color: var(--color-brand);
}

.side-nav__list a[aria-current="page"] {
  color: var(--color-brand);
  font-weight: 600;
  border-bottom-color: var(--color-brand);
}

/* ========================================================
   Tags / Pills
   ======================================================== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px var(--space-sm);
  background-color: var(--color-bg-soft);
  color: var(--color-ink-dim);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
}

.tag-brand {
  background-color: var(--color-brand);
  color: var(--color-bg);
}

.tag-accent {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

/* 조직 페이지 statement 박스: 5대 기술분과 — 한 줄에 [칩][설명] 5줄
   (.prose ul/li 기본 들여쓰기·여백을 같은 특이도로 덮어 본문과 좌측 정렬) */
.prose .tech-divisions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-left: 0;
  list-style: none;
}

.prose .tech-divisions li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: 0;
}

.tech-divisions .tag {
  flex-shrink: 0;
  min-width: 5.5rem;
  justify-content: center;
  font-size: var(--text-sm);
  padding: 5px var(--space-sm);
  letter-spacing: 0;
}

.tech-divisions__desc {
  font-size: var(--text-sm);
  color: var(--color-ink-dim);
  line-height: 1.5;
}

/* ========================================================
   Info boxes
   ======================================================== */
.info-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--color-line);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.info-box__cell {
  padding: var(--space-xl);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.info-box__cell:nth-child(2n) {
  border-right: none;
}

.info-box__cell:nth-last-child(-n+2) {
  border-bottom: none;
}

.info-box__cell:only-child {
  grid-column: 1 / -1;
  border-right: none;
}

.info-box__label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.info-box__value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-ink);
}

/* ========================================================
   CTA banner
   ======================================================== */
.cta-banner {
  background-color: var(--color-brand);
  color: var(--color-bg);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.cta-banner h2 {
  color: var(--color-bg);
  max-width: 22ch;
}

.cta-banner .lead {
  color: rgba(244, 241, 232, 0.8);
  max-width: 36ch;
  margin-top: var(--space-sm);
}

/* ========================================================
   Utilities
   ======================================================== */
.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;
}

.text-center { text-align: center; }
.text-brand { color: var(--color-brand); }
.text-accent { color: var(--color-accent); }
.text-dim { color: var(--color-ink-dim); }
.text-mute { color: var(--color-ink-mute); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.divider {
  border: none;
  border-top: 1px solid var(--color-line);
  margin: var(--space-2xl) 0;
}

.divider-accent {
  border: none;
  border-top: 1px solid var(--color-accent);
  width: var(--space-xl);
  margin: var(--space-md) 0;
}

/* ========================================================
   Section head row (title left + MORE link right)
   ======================================================== */
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.section-head-row .eyebrow {
  margin-bottom: var(--space-sm);
}

.section-head-row h2 {
  margin: 0;
}

/* ========================================================
   Quick nav (4 icon cards under hero)
   ======================================================== */
.quick-nav {
  background-color: var(--color-bg);
  padding-bottom: var(--space-3xl);
}

.quick-nav__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: calc(var(--space-2xl) * -1) 0 0;
  position: relative;
  z-index: 5;
}

.quick-card {
  --card-tint: var(--color-brand);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-xl);
  background-color: var(--card-tint);
  border: 1px solid var(--card-tint);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  color: var(--color-bg);
  min-height: 13rem;
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              background-color var(--duration-base) var(--ease-out);
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  background-color: color-mix(in srgb, var(--card-tint) 85%, var(--color-ink));
  color: var(--color-bg);
}

.quick-card--forest   { --card-tint: var(--color-brand); }
.quick-card--slate    { --card-tint: var(--color-tint-slate); }
.quick-card--clay     { --card-tint: var(--color-tint-clay); }
.quick-card--graphite { --card-tint: var(--color-tint-graphite); }

.quick-card__icon {
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-bg);
}

.quick-card__icon svg {
  width: 100%;
  height: 100%;
}

.quick-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-bg);
  margin: 0;
  letter-spacing: -0.02em;
}

.quick-card__desc {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-bg) 78%, transparent);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

.quick-card__arrow {
  font-size: var(--text-base);
  color: var(--color-bg);
  font-weight: 600;
}

/* ========================================================
   Org points list (intro bullets above org table)
   ======================================================== */
.org-points {
  list-style: none;
  padding: 0;
  margin: var(--space-xl) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.org-points li {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: var(--space-lg);
  align-items: baseline;
  padding: var(--space-md) 0;
  border-bottom: 1px dashed var(--color-line);
}

.org-points li:last-child {
  border-bottom: none;
}

.org-points__label {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-brand);
  letter-spacing: -0.01em;
}

.org-points__text {
  color: var(--color-ink);
  line-height: 1.6;
}

/* ========================================================
   Org table (executive list)
   ======================================================== */
.org-table {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-surface);
}

.org-table__row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  border-bottom: 1px solid var(--color-line);
}

.org-table__row:last-child {
  border-bottom: none;
}

.org-table__head {
  background-color: var(--color-bg-soft);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-ink);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--color-line);
  letter-spacing: -0.01em;
}

.org-table__head small {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-ink-mute);
  font-weight: 500;
  margin-top: var(--space-xs);
}

.org-table__people {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.org-table__people li {
  padding: var(--space-md) var(--space-lg);
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: var(--space-md);
  align-items: baseline;
  border-bottom: 1px dashed var(--color-line);
}

.org-table__people li:last-child {
  border-bottom: none;
}

.org-table__people strong {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

.org-table__people span {
  color: var(--color-ink-dim);
  font-size: var(--text-sm);
  line-height: 1.5;
}

@media (max-width: 600px) {
  .org-points li {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  .org-table__row {
    grid-template-columns: 1fr;
  }
  .org-table__head {
    border-right: none;
    border-bottom: 1px solid var(--color-line);
  }
  .org-table__people li {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
}

/* ========================================================
   Statement block (sits at the top of the content column)
   ======================================================== */
.statement {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-xl) var(--space-md) var(--space-xl) var(--space-xl);
  margin-bottom: var(--space-xl);
}

/* purpose page: widen the white box past the 760px reading column
   (rightward, into the content slack) so the statement fits one line */
.statement--wide {
  width: calc(100% + var(--space-2xl));
  margin-right: calc(-1 * var(--space-2xl));
}

.statement__rule {
  display: block;
  width: var(--space-2xl);
  height: 2px;
  background: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.statement .statement__text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  max-width: none;
}

.statement__text strong {
  font-weight: 800;
  color: var(--color-brand);
}

/* ========================================================
   Goal grid (numbered strategic goals)
   ======================================================== */
.goals__head {
  margin-bottom: var(--space-xl);
}

.goals__head .eyebrow {
  margin-bottom: var(--space-md);
}

.goal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line-strong);
  /* widen rightward past the 760px reading column so long goals fit one line */
  width: calc(100% + var(--space-3xl));
  margin-right: calc(-1 * var(--space-3xl));
}

.goal-row {
  position: relative;
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  align-items: stretch;
  border-bottom: 1px solid var(--color-line);
  transition: background var(--duration-base) var(--ease-out);
}

.goal-row:hover {
  background: var(--color-bg-soft);
}

.goal-row__num {
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-brand);
  padding: var(--space-xl) var(--space-sm) var(--space-xl) 0;
}

.goal-row .goal-row__text {
  display: flex;
  align-items: center;
  margin: 0;
  padding: var(--space-xl) 0 var(--space-xl) var(--space-md);
  border-left: 1px solid var(--color-line);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-ink);
}

@media (max-width: 960px) {
  .statement {
    padding: var(--space-lg);
  }
  .goal-row {
    grid-template-columns: 3.5rem 1fr;
  }
  .goal-row__num {
    font-size: var(--text-lg);
    padding: var(--space-lg) var(--space-sm) var(--space-lg) 0;
  }
  .goal-row .goal-row__text {
    padding: var(--space-lg) 0 var(--space-lg) var(--space-md);
    font-size: 1rem;
  }
  .quick-nav__grid {
    grid-template-columns: repeat(2, 1fr);
    margin-top: calc(var(--space-xl) * -1);
  }
}

@media (max-width: 600px) {
  .quick-nav__grid {
    grid-template-columns: 1fr;
  }
  /* no room to break out on phones — keep within the column */
  .statement--wide,
  .goal-list {
    width: auto;
    margin-right: 0;
  }
}

/* ========================================================
   Animation
   ======================================================== */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fade-up var(--duration-slow) var(--ease-out) both;
}

.fade-up-delay-1 { animation-delay: 100ms; }
.fade-up-delay-2 { animation-delay: 200ms; }
.fade-up-delay-3 { animation-delay: 300ms; }

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

/* ========================================================
   Responsive
   ======================================================== */
@media (max-width: 960px) {
  :root {
    --text-3xl: 2.5rem;
    --text-2xl: 2rem;
    --text-xl: 1.5rem;
    --space-3xl: 4rem;
  }

  .site-header__inner {
    height: 4rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: var(--space-xl) var(--space-lg);
    gap: 0;
    overflow-y: auto;
    border-top: 1px solid var(--color-line);
    transform: translateX(100%);
    transition: transform var(--duration-base) var(--ease-out);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav__item {
    border-bottom: 1px solid var(--color-line);
  }

  .site-nav__link {
    padding: var(--space-md) 0;
    font-size: var(--text-base);
    width: 100%;
    justify-content: space-between;
  }

  .site-nav__submenu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background-color: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 var(--space-md) var(--space-md);
    min-width: 0;
  }

  .site-nav__submenu a {
    padding: var(--space-sm) 0;
  }

  .site-header__cta {
    display: none;
  }

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

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

  .layout-2col {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .side-nav {
    position: static;
  }

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

  .hero__mark {
    display: none;
  }

  .hero__meta {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }

  .hero__bg {
    background-position: 70% center;
  }

  .hero__bg-overlay {
    background:
      linear-gradient(180deg,
        var(--color-bg) 0%,
        color-mix(in srgb, var(--color-bg) 90%, transparent) 45%,
        color-mix(in srgb, var(--color-bg) 60%, transparent) 100%
      );
  }

  .cta-banner__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .info-box {
    grid-template-columns: 1fr;
  }

  .info-box__cell {
    border-right: none;
  }
}

@media (max-width: 600px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .site-footer__top {
    grid-template-columns: 1fr;
  }

  .news-list__link {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }

  .news-list__date {
    grid-column: 1 / -1;
  }
}