:root {
  --blue: #1167d8;
  --green: #1b9a6b;
  --yellow: #f0b429;
  --orange: #ff8d24;
  --sky: #e9f2ff;
  --ink: #17233b;
  --muted: #5f6f88;
  --line: #d7dfed;
  --card: #ffffff;
  --radius: 16px;
  --pair-gap: 0.8rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Nunito Sans", "Noto Sans CJK SC", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f8fbff 0%, #f3f8ff 100%);
}

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

.container {
  width: min(1160px, 94vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}

.header-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
  padding: 0.85rem 0;
}

.brand {
  font-family: "Barlow", sans-serif;
  color: var(--blue);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.top-nav {
  display: flex;
  gap: 1rem;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.95rem;
}

.top-nav a:hover { color: var(--blue); }

.header-actions {
  display: flex;
  gap: 0.45rem;
}

.lang-tab {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
  font-weight: 800;
  cursor: pointer;
}

.lang-tab.active {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--sky);
}

.hero {
  margin-top: 1.3rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--pair-gap);
  align-items: stretch;
}

.hero-copy,
.info-card,
.feature-block,
.inquiry-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-copy {
  padding: 1.4rem;
  min-width: 0;
}

.hero-copy h1 {
  margin: 0;
  font-family: "Barlow", sans-serif;
  font-size: clamp(1.65rem, 4vw, 2.6rem);
  line-height: 1.08;
}

.hero-sub {
  margin-top: 0.7rem;
  color: var(--muted);
  max-width: 60ch;
}

.hero-meta {
  margin-top: 0.9rem;
  padding-left: 1rem;
  color: var(--muted);
  display: grid;
  gap: 0.35rem;
}

.btn-primary {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  padding: 0.62rem 1rem;
  cursor: pointer;
}

.hero-panel {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
  min-height: 320px;
  height: 100%;
  min-width: 0;
}

.hero-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.summer-slideshow img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(23, 35, 59, 0.55);
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
}

.slide-btn.prev { left: 10px; }
.slide-btn.next { right: 10px; }

.slide-dots {
  position: absolute;
  bottom: 10px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 0.35rem;
}

.slide-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
}

.slide-dot.active { background: #fff; }

.summer-showcase {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--pair-gap);
}

.summer-nav-pills {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.summer-nav-pills a {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.35rem 0.7rem;
}

.summer-nav-pills a:hover {
  color: var(--blue);
  border-color: #b8cbec;
}

.summer-slideshow {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  min-height: 320px;
}

.summer-summary {
  padding: 1rem;
}

.summer-summary h3 {
  margin: 0;
  color: var(--blue);
}

.summer-summary p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.summer-more-link {
  margin-top: 0.8rem;
}

.provider-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--pair-gap);
}

.summer-showcase > *,
.provider-grid > *,
.feature-block > * {
  min-width: 0;
}

.provider-card h3 {
  color: var(--ink);
}

.provider-subhead {
  margin-top: 0.35rem;
  font-weight: 700;
  color: var(--blue);
}

.provider-facts {
  margin: 0.65rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.3rem;
  color: var(--muted);
}

.provider-facts strong {
  color: var(--ink);
}

.provider-card details {
  margin-top: 0.7rem;
  border-top: 1px solid var(--line);
  padding-top: 0.6rem;
}

.provider-card summary {
  cursor: pointer;
  color: var(--blue);
  font-weight: 700;
}

.provider-card details p {
  margin-top: 0.45rem;
}

.section {
  margin-top: 2.2rem;
}

.section h2 {
  margin: 0;
  font-family: "Barlow", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.lead {
  margin: 0.45rem 0 0;
  color: var(--muted);
  max-width: 80ch;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.9rem;
}

.summer-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card {
  padding: 1rem;
}

.info-card h3 {
  margin: 0;
  color: var(--blue);
}

.info-card p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.feature-block {
  margin-top: 0.9rem;
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pair-gap);
}

.feature-block h3 {
  margin-top: 0;
}

.feature-block p,
.feature-block li {
  color: var(--muted);
}

.note {
  margin-top: 0.85rem;
  padding: 0.65rem 0.8rem;
  background: #fff8df;
  border: 1px solid #f4de9d;
  border-radius: 10px;
  color: #9a6b00;
  font-weight: 700;
}

.inquiry-form {
  margin-top: 0.95rem;
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.inquiry-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 700;
}

.full-width {
  grid-column: 1 / -1;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.62rem 0.66rem;
  font: inherit;
}

.inquiry-form button {
  width: fit-content;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-row {
  padding: 1rem 0;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 980px) {
  .top-nav {
    display: none;
  }

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

  .hero-panel {
    min-height: 240px;
  }

  .card-grid,
  .feature-block,
  .inquiry-form,
  .summer-showcase,
  .provider-grid {
    grid-template-columns: 1fr;
  }

  .full-width {
    grid-column: auto;
  }

  .footer-row {
    flex-direction: column;
    gap: 0.2rem;
  }
}