* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Nunito', sans-serif;
  color: #24323d;
  background: #fcfbf8;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
  border-radius: 18px;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 251, 248, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #ece7de;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: #234b63;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #d8eee6;
  color: #1f5d4e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.logo-text {
  font-size: 1rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-weight: 700;
  color: #425563;
}

.main-nav a:hover {
  color: #1f7a8c;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: 0.2s ease;
}

.btn-primary {
  background: #1f7a8c;
  color: #fff;
  box-shadow: 0 8px 20px rgba(31, 122, 140, 0.25);
}

.btn-primary:hover {
  background: #176879;
}

.btn-call {
  background: #6ec1e4;  /* 밝은 하늘색 */
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(110, 193, 228, 0.35);
}

.btn-call:hover {
  background: #4fb3dc;  /* hover 시 살짝 진하게 */
}

.btn-secondary {
  background: #eef6f8;
  color: #1f6070;
}

.btn-secondary:hover {
  background: #dceef2;
}

.header-btn {
  white-space: nowrap;
}

.hero {
  padding: 72px 0 48px;
  background:
    radial-gradient(circle at top left, #eef8f2 0, transparent 38%),
    radial-gradient(circle at top right, #f7efe6 0, transparent 34%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow,
.section-label {
  display: inline-block;
  margin-bottom: 12px;
  color: #1f7a8c;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.84rem;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.15;
  max-width: 520px;  /* 🔥 핵심: 자동으로 2줄 */
  color: #183142;
}

.hero-description {
  margin: 0 0 24px;
  font-size: 1.08rem;
  color: #4d5f6b;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.hero-highlights {
  margin: 0;
  padding-left: 20px;
  color: #495b66;
}

.info-card {
  transition: 0.2s ease;
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(20, 43, 56, 0.08);
}

.quick-info {
  padding: 0 0 32px;
}

.quick-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.info-card {
  background: #fff;
  border: 1px solid #ece7de;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 12px 30px rgba(20, 43, 56, 0.04);
}

.info-card h3 {
  margin: 0 0 8px;
  color: #183142;
  font-size: 1.05rem;
}

.section {
  padding: 40px 0;
}

.section-soft {
  background: #f7fbfc;
}

.section-accent {
  background: linear-gradient(135deg, #edf7f2, #f8f1e8);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section h2,
.section-heading h2 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.15;
  color: #183142;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;  /* 원래 균등 */
  gap: 40px;
  align-items: center;
}

.image-block {
  background: #fff;
  padding: 12px;
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(20, 43, 56, 0.06);
}

.program-grid,
.feature-grid {
  display: grid;
  gap: 20px;
}

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

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

.program-card,
.feature-card {
  background: #fff;
  border: 1px solid #ece7de;
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 12px 30px rgba(20, 43, 56, 0.04);
}

.program-card h3,
.feature-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: #183142;
}

.testimonial-block {
  text-align: center;
  max-width: 800px;
}

.testimonial-block h2 {
  margin-bottom: 16px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: start;
}

.contact-list p {
  margin: 0 0 10px;
}

.contact-form {
  background: #fff;
  border: 1px solid #ece7de;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 16px 36px rgba(20, 43, 56, 0.05);
}

.contact-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: #2a404d;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 18px;
  border: 1px solid #d8dde2;
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #1f7a8c;
  box-shadow: 0 0 0 4px rgba(31, 122, 140, 0.12);
}

.btn-full {
  width: 100%;
}

.site-footer {
  border-top: 1px solid #ece7de;
  background: #fff;
}

.footer-inner {
  min-height: 84px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: #5a6b76;
}

.footer-links {
  display: flex;
  gap: 18px;
}

@media (max-width: 980px) {
  .hero-grid,
  .two-column,
  .contact-grid,
  .program-grid,
  .quick-info-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .header-btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 24px, 1120px);
  }

  .hero {
    padding-top: 42px;
  }

  .section {
    padding: 60px 0;
  }

  .footer-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 20px 0;
  }
}

.logo-img {
  height: 56px;
}

.logo {
  display: flex;
  align-items: center;
}

.map-section {
  padding: 70px 0 80px;
}

.map-section h2 {
  margin-bottom: 22px;
  font-size: 2rem;
  color: #183142;
}

.map-section iframe {
  display: block;
  width: 100%;
  height: 430px;
  border: 0;
  border-radius: 20px;
  box-shadow: 0 18px 40px rgba(20, 43, 56, 0.08);
}

.map-section .container {
  max-width: 1100px;
  margin: 0 auto;
}

.map-text {
  margin-top: 16px;
  color: #425563;
  font-size: 16px;
}

.subpage-hero {
  padding: 72px 0 44px;
  background:
    radial-gradient(circle at top left, #eef8f2 0, transparent 38%),
    radial-gradient(circle at top right, #f7efe6 0, transparent 34%);
}

.subpage-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.08;
  color: #183142;
}

.subpage-intro {
  max-width: 760px;
  font-size: 1.08rem;
  color: #4d5f6b;
}

.method-links .link-card {
  display: block;
  color: inherit;
}

.method-links .link-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(20, 43, 56, 0.08);
}

.map-text {
  margin-top: 18px;
  color: #425563;
  font-size: 16px;
  line-height: 1.6;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 700;
  color: #425563;
}

.main-nav a:hover {
  color: #1f7a8c;
}

.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: #fff;
  border: 1px solid #ece7de;
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(20, 43, 56, 0.08);
  padding: 10px 0;
  z-index: 999;
}

.dropdown-menu a {
  display: block;
  padding: 12px 18px;
  white-space: nowrap;
  color: #24323d;
}

.dropdown-menu a:hover {
  background: #f7fbfc;
  color: #1f7a8c;
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.comparison-table {
  border: 1px solid #ece7de;
  border-radius: 14px;
  overflow: hidden;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid #ece7de;
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-row div {
  padding: 14px 18px;
}

.comparison-row.header {
  background: #f7fbfc;
  font-weight: 800;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 800px;
  aspect-ratio: 16 / 9;
  margin: 20px auto 0;
}

.video-wrapper iframe {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-section h2 {
  margin-bottom: 10px;
  text-align: center;
}

.video-section .section-label {
  text-align: center;
  display: block;
}

.video-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.video-item h3 {
  margin-bottom: 10px;
  text-align: center;
}

@media (max-width: 768px) {
  .video-grid-2 {
    grid-template-columns: 1fr;
  }
}

.video-item {
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  transition: all 0.25s ease;
}

.video-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.12);
}

.video-item h3 {
  text-align: center;
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.video-card {
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  transition: all 0.25s ease;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.12);
}

.video-card h3 {
  margin-top: 12px;
  font-size: 1.1rem;
}

.video-card p {
  font-size: 0.95rem;
  color: #555;
}

.video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.youtube-section {
  padding-top: 30px;
  padding-bottom: 60px;
}

.youtube-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 20px;
}

.youtube-buttons .btn {
  min-width: 180px;
}

@media (max-width: 768px) {
  .youtube-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* 오른쪽 묶음 */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch a.active {
  background: #2c7a7b;
  color: white;
}

/* 메뉴 간격만 조정 */
.main-nav {
  gap: 24px;
}

/* ===== HEADER CLEAN ===== */

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-weight: 700;
  color: #425563;
}

.main-nav a:hover {
  color: #1f7a8c;
}

.lang-switch {
  display: flex;
  gap: 6px;
  white-space: nowrap;
}

.lang-switch a {
  padding: 4px 8px;
  border-radius: 4px;
  background: #f3f3f3;
  text-decoration: none;
  color: #333;
  font-size: 12px;
}

.lang-switch a:hover,
.lang-switch a.active {
  background: #2c7a7b;
  color: white;
}

.hero h1 {
  letter-spacing: -0.5px;
}

.image-block {
  display: flex;
  align-items: center;
}

.image-block img {
  border-radius: 20px;
  max-height: 380px;
}

.director-bio-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 980px) {
  .director-bio-grid {
    grid-template-columns: 1fr;
  }
}