/* Mind with Space — Design System */
:root {
  --bg: #f7f4ef;
  --bg-alt: #ede8df;
  --bg-card: #fffcf8;
  --sage: #7a8b6f;
  --sage-dark: #5c6b52;
  --sage-light: #a8b89e;
  --charcoal: #2c2c2c;
  --charcoal-soft: #4a4a4a;
  --warm: #8b7355;
  --accent: #c4a882;
  --white: #ffffff;
  --border: rgba(44, 44, 44, 0.1);
  --shadow: 0 4px 24px rgba(44, 44, 44, 0.06);
  --shadow-lg: 0 12px 40px rgba(44, 44, 44, 0.1);
  --radius: 12px;
  --radius-lg: 20px;
  --font-serif: "Noto Serif KR", "Georgia", serif;
  --font-sans: "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  --header-h: 72px;
  --max-w: 1120px;
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--charcoal-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(100% - 2.5rem, var(--max-w));
  margin-inline: auto;
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.scrolled { box-shadow: var(--shadow); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.2;
}

.logo__en {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--charcoal);
  letter-spacing: 0.02em;
}

.logo__ko {
  font-size: 0.7rem;
  color: var(--sage-dark);
  letter-spacing: 0.08em;
}

.nav { display: flex; gap: 1.75rem; align-items: center; }

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--charcoal-soft);
  transition: color var(--transition);
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--sage);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav a:hover { color: var(--sage-dark); }
.nav a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--charcoal);
  transition: var(--transition);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 60%; height: 80%;
  background: radial-gradient(ellipse, rgba(122, 139, 111, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 4rem;
}

.hero__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage-dark);
  background: rgba(122, 139, 111, 0.12);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--charcoal);
  margin-bottom: 1.25rem;
}

.hero__title em {
  font-style: normal;
  color: var(--sage-dark);
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--charcoal-soft);
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero__note {
  font-size: 0.85rem;
  color: var(--warm);
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
}

.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--sage-dark);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--sage);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn--outline {
  background: transparent;
  color: var(--charcoal);
  border: 1.5px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--sage);
  color: var(--sage-dark);
}

.hero__visual {
  position: relative;
}

.hero__image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}

.hero__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__stats {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  gap: 2rem;
}

.stat__num {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--sage-dark);
  line-height: 1;
}

.stat__label {
  font-size: 0.75rem;
  color: var(--charcoal-soft);
  margin-top: 0.25rem;
}

/* ── Sections ── */
.section {
  padding-block: 5rem;
}

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

.section__header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 1rem;
  line-height: 1.35;
}

.section__desc {
  font-size: 1rem;
  color: var(--charcoal-soft);
}

/* ── About ── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about__text p { margin-bottom: 1.25rem; }

.about__highlight {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
}

.about__highlight h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--charcoal);
  margin-bottom: 1.25rem;
}

.about__list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

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

.about__list li::before {
  content: "·";
  color: var(--sage);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.4;
}

/* ── Team ── */
.team {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.team__title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--charcoal);
  text-align: center;
  margin-bottom: 0.75rem;
}

.team__intro {
  text-align: center;
  font-size: 0.95rem;
  color: var(--charcoal-soft);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.team-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.team-card__avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: rgba(122, 139, 111, 0.15);
  color: var(--sage-dark);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.team-card__name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

.team-card__role {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sage-dark);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.team-card__desc {
  font-size: 0.88rem;
  color: var(--charcoal-soft);
  line-height: 1.6;
}

/* ── Programs ── */
.programs__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.program-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.program-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.program-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.program-card:hover .program-card__image img {
  transform: scale(1.04);
}

.program-card__body { padding: 1.75rem; }

.program-card__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  background: rgba(122, 139, 111, 0.12);
  color: var(--sage-dark);
}

.tag--warm {
  background: rgba(196, 168, 130, 0.2);
  color: var(--warm);
}

.program-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

.program-card__subtitle {
  font-size: 0.85rem;
  color: var(--sage);
  margin-bottom: 0.75rem;
}

.program-card__desc {
  font-size: 0.9rem;
  color: var(--charcoal-soft);
  margin-bottom: 1rem;
}

.program-card__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sage-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition);
}

.program-card__link:hover { gap: 0.6rem; }

/* ── Approach ── */
.approach__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  position: relative;
}

.approach__steps::before {
  content: "";
  position: absolute;
  top: 2rem;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--sage-light), var(--sage), var(--sage-light));
  z-index: 0;
}

.step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step__num {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--sage-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--sage-dark);
  margin: 0 auto 1rem;
  transition: all var(--transition);
}

.step:hover .step__num {
  background: var(--sage-dark);
  color: var(--white);
  border-color: var(--sage-dark);
}

.step__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

.step__desc {
  font-size: 0.78rem;
  color: var(--charcoal-soft);
  line-height: 1.5;
  padding: 0 0.25rem;
}

/* ── Impact ── */
.impact__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.impact-card {
  text-align: center;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 2rem 1rem;
  border: 1px solid var(--border);
}

.impact-card__num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--sage-dark);
  line-height: 1;
}

.impact-card__label {
  font-size: 0.85rem;
  color: var(--charcoal-soft);
  margin-top: 0.5rem;
}

/* ── Program list ── */
.program-list {
  margin-top: 3.5rem;
  margin-bottom: 3rem;
}

.program-list__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  text-align: center;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

.program-list__desc {
  text-align: center;
  font-size: 0.85rem;
  color: var(--charcoal-soft);
  margin-bottom: 1.5rem;
}

.program-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}

.program-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.program-table th,
.program-table td {
  padding: 0.85rem 0.75rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

.program-table th {
  background: var(--bg-alt);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--sage-dark);
  white-space: nowrap;
}

.program-table tbody tr:last-child td {
  border-bottom: none;
}

.program-table tbody tr:hover {
  background: rgba(122, 139, 111, 0.05);
}

.program-table td:first-child {
  color: var(--sage);
  font-weight: 600;
  text-align: center;
  width: 2.5rem;
}

.program-table td:nth-child(2) {
  font-weight: 600;
  color: var(--charcoal);
  white-space: nowrap;
}

.program-table td:nth-child(7) {
  text-align: center;
  white-space: nowrap;
}

.program-table__badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.15rem 0.45rem;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--warm);
  background: rgba(196, 168, 130, 0.2);
  border-radius: 100px;
  vertical-align: middle;
}

.partners__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  text-align: center;
  color: var(--charcoal);
  margin-bottom: 1.5rem;
}

.partners__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
}

.partners__list li {
  font-size: 0.85rem;
  color: var(--charcoal-soft);
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border-radius: 100px;
  border: 1px solid var(--border);
}

/* ── Gallery ── */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.gallery__item {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  position: relative;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery__item:hover img { transform: scale(1.05); }

.gallery__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 60%, rgba(44,44,44,0.4));
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery__item:hover::after { opacity: 1; }

.gallery__caption {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  font-size: 0.75rem;
  color: var(--white);
  z-index: 1;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery__item:hover .gallery__caption { opacity: 1; }

/* ── Contact ── */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact__info h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.contact__info p {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.contact__details li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.contact__details strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--sage);
  margin-bottom: 0.25rem;
}

.contact__form {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--charcoal);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--sage);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.78rem;
  color: var(--warm);
  margin-top: 0.75rem;
}

/* ── Footer ── */
.footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.7);
  padding: 3rem 0 2rem;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer .logo__en { color: var(--white); }
.footer .logo__ko { color: rgba(255,255,255,0.5); }

.footer__tagline {
  font-size: 0.85rem;
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer__nav a {
  font-size: 0.85rem;
  transition: color var(--transition);
}

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

.footer__bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.78rem;
  text-align: center;
}

/* ── Animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(44, 44, 44, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .hero__grid,
  .about__grid,
  .contact__grid { grid-template-columns: 1fr; }

  .hero__visual { order: -1; }
  .hero__image-wrap { aspect-ratio: 16/9; max-height: 320px; }
  .hero__stats { position: static; margin-top: 1rem; justify-content: center; }

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

  .approach__steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .approach__steps::before { display: none; }

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

  .program-table { min-width: 0; }
  .program-table thead { display: none; }
  .program-table tbody tr {
    display: block;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .program-table tbody tr:last-child { border-bottom: none; }
  .program-table td {
    display: block;
    padding: 0.25rem 0;
    border-bottom: none;
    text-align: left !important;
    width: auto !important;
    white-space: normal !important;
  }
  .program-table td::before {
    content: attr(data-label) " ";
    font-weight: 600;
    color: var(--sage-dark);
    font-size: 0.72rem;
  }
  .program-table td:first-child::before { content: "No. "; }
  .program-table td:first-child {
    font-size: 0.75rem;
    margin-bottom: 0.35rem;
  }
  .program-table td:nth-child(2) {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
  }
  .program-table td:nth-child(2)::before { display: none; }
  .program-table td:first-child::before {
    display: inline;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--transition);
  }

  .nav.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
}

@media (max-width: 560px) {
  .impact__grid { grid-template-columns: 1fr 1fr; }
  .gallery__grid { grid-template-columns: 1fr; }
  .hero__stats { flex-direction: column; gap: 1rem; align-items: center; }
  .footer__inner { flex-direction: column; }
}