:root {
  --ivory: #faf7f1;
  --cream: #f2ecdf;
  --ink: #2b2620;
  --muted: #6f6659;
  --green: #3f5d4c;
  --green-dark: #2c4237;
  --gold: #b5904f;
  --line: #e4dcc9;
  --radius: 18px;
  --shadow: 0 20px 40px -20px rgba(43, 38, 32, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: "Noto Sans KR", sans-serif;
  font-weight: 400;
  line-height: 1.7;
}

h1, h2, h3 {
  font-family: "Noto Serif KR", serif;
  margin: 0 0 16px;
  line-height: 1.35;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
}

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 241, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 18px 24px;
}

.logo {
  font-family: "Noto Serif KR", serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--green-dark);
  letter-spacing: 0.02em;
}

.logo span {
  color: var(--gold);
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-right: auto;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--ink);
  opacity: 0.8;
  transition: opacity 0.2s;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--green-dark);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  display: block;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 500;
  border: 1px solid var(--green);
  transition: transform 0.2s, background 0.2s, color 0.2s;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}

.btn-small {
  padding: 10px 22px;
  font-size: 0.9rem;
}

.btn-ghost {
  background: transparent;
  color: var(--green-dark);
  border: 1px solid var(--green-dark);
}

.btn-ghost:hover {
  background: var(--green-dark);
  color: #fff;
}

.btn-full {
  width: 100%;
  text-align: center;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 140px 24px 120px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(30, 41, 33, 0.72), rgba(30, 41, 33, 0.58) 55%, rgba(30, 41, 33, 0.82)),
    url("images/hero-forest.jpg") center / cover no-repeat;
  z-index: -1;
}

.hero-content {
  text-align: center;
  max-width: 780px;
}

.eyebrow {
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  color: #fff;
}

.hero-sub {
  font-size: 1.05rem;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-actions .btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

.hero-actions .btn-ghost:hover {
  background: #fff;
  color: var(--green-dark);
}

/* Stats */
.stats {
  background: var(--green-dark);
  padding: 48px 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat strong {
  display: block;
  font-family: "Noto Serif KR", serif;
  font-size: 2.2rem;
  color: #fff;
}

.stat strong span {
  font-size: 1.1rem;
  color: var(--gold);
  margin-left: 4px;
}

.stat p {
  color: rgba(255, 255, 255, 0.75);
  margin: 6px 0 0;
  font-size: 0.9rem;
}

/* Section helpers */
.section-eyebrow {
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

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

.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-desc {
  max-width: 560px;
}

/* About */
.about {
  padding: 110px 24px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  color: var(--green-dark);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 14px;
}

.check-list li {
  padding-left: 28px;
  position: relative;
  color: var(--ink);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.about-visual {
  position: relative;
  height: 380px;
}

.visual-card {
  position: absolute;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-1 {
  width: 78%;
  height: 78%;
  top: 0;
  left: 0;
  background: linear-gradient(150deg, var(--green), var(--green-dark));
}

.card-2 {
  width: 55%;
  height: 55%;
  bottom: 0;
  right: 0;
  background: linear-gradient(150deg, var(--gold), #8f7038);
}

/* Facilities & grid */
.facilities {
  padding: 100px 24px;
  background: var(--cream);
}

.facilities h2,
.programs h2,
.contact h2 {
  color: var(--green-dark);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.feature-card .icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.15rem;
  color: var(--green-dark);
}

.feature-card p {
  margin-bottom: 0;
}

/* Programs */
.programs {
  padding: 100px 24px;
}

.program-list {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.program-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  background: var(--ivory);
}

.program-time {
  display: inline-block;
  background: var(--green);
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.program-item h3 {
  font-size: 1.1rem;
  color: var(--green-dark);
}

.program-item p {
  margin-bottom: 0;
}

/* Why */
.why {
  background: var(--green-dark);
  padding: 100px 24px;
  color: #fff;
}

.why h2 {
  color: #fff;
}

.promise-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.promise-card h3 {
  color: var(--gold);
  font-size: 1.2rem;
}

.promise-card p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

/* Contact */
.contact {
  padding: 100px 24px;
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 16px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.contact-list strong {
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.contact-list a {
  font-size: 1.05rem;
  color: var(--green-dark);
  font-weight: 500;
}

.contact-form {
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  gap: 18px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
}

/* Location */
.location {
  padding: 100px 24px;
}

.map-placeholder {
  margin-top: 40px;
  height: 320px;
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  background: var(--cream);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
}

.map-placeholder p {
  color: var(--green-dark);
  font-weight: 600;
  margin: 0;
}

.map-placeholder span {
  font-size: 0.85rem;
}

/* Footer */
.site-footer {
  background: var(--green-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 40px 24px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer .logo {
  color: #fff;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
  margin: 4px 0 0;
}

.copyright {
  font-size: 0.8rem;
  margin: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-visual {
    height: 260px;
  }

  .grid-3,
  .program-list {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ivory);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 20px 24px;
    display: none;
    gap: 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .btn-small {
    display: none;
  }

  .hero {
    padding: 110px 20px 80px;
  }
}