/* ============================================================
   아이세상유치원 — Superr design tokens
   DESIGN.md :root block (verbatim) + component styles
   ============================================================ */

:root {
  /* Colors */
  --color-canvas-parchment: #fdfbf9;
  --color-deep-graphite: #171717;
  --color-soft-black: #2b1a07;
  --color-jet-black: #000000;
  --color-warm-gray-shadow: #bebcbb;
  --color-cheeky-orange: #ff6f1e;
  --color-playful-red: #ce500a;
  --color-sky-blue: #3b82f6;
  --color-bubblegum-pink: #ff66cf;
  --color-grass-green: #22c55e;

  /* Typography — Font Families (gelica → Caveat/Gaegu fallback, Geist → Inter) */
  --font-gelica: 'Caveat', 'Gaegu', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-geist: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Typography — Scale */
  --text-caption: 16px;
  --leading-caption: 1.5;
  --text-body: 18px;
  --leading-body: 1.5;
  --text-subheading: 20px;
  --leading-subheading: 1.5;
  --text-heading-sm: 32px;
  --leading-heading-sm: 1.2;
  --text-heading: 46px;
  --leading-heading: 1.2;
  --text-display: 104px;
  --leading-display: 1.08;

  /* Typography — Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  /* Spacing */
  --spacing-unit: 4px;
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-28: 28px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-116: 116px;

  /* Layout */
  --section-gap: 64px;
  --card-padding: 32px;
  --element-gap: 12px;

  /* Border Radius */
  --radius-sm: 2px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-2xl-2: 20px;
  --radius-full: 56px;

  /* Named Radii */
  --radius-tags: 56px;
  --radius-cards: 12px;
  --radius-avatar: 9999px;
  --radius-fields: 8px;
  --radius-buttons: 20px;
  --radius-default: 8px;

  /* Shadows */
  --shadow-lg: rgba(0, 0, 0, 0.06) 0px 2px 20px 0px;
  --shadow-subtle: rgba(0, 0, 0, 0.25) 0px 1px 2px 0px;
}

/* ============================================================
   Reset / base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-canvas-parchment);
  color: var(--color-deep-graphite);
  font-family: var(--font-geist);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 { margin: 0; font-family: var(--font-gelica); color: var(--color-deep-graphite); line-height: var(--leading-heading); font-weight: var(--font-weight-medium); }
p { margin: 0; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--spacing-32); }
}

.section { padding: var(--section-gap) 0; }

.eyebrow {
  font-family: var(--font-geist);
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-cheeky-orange);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-12);
}

/* ============================================================
   Site Header / Nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-canvas-parchment) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-warm-gray-shadow);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-12);
  font-family: var(--font-gelica);
  font-size: 28px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-deep-graphite);
}
.brand img { height: 40px; width: auto; }

.nav-toggle {
  background: transparent;
  border: 1px solid var(--color-deep-graphite);
  border-radius: var(--radius-buttons);
  padding: 6px 14px;
  color: var(--color-deep-graphite);
  font-family: var(--font-gelica);
  font-size: var(--text-subheading);
}
@media (min-width: 1024px) {
  .nav-toggle { display: none; }
}

.site-nav {
  display: none;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--spacing-20);
  align-items: center;
}
.site-nav a {
  font-family: var(--font-geist);
  font-size: 18px;
  font-weight: var(--font-weight-regular);
  color: var(--color-deep-graphite);
  padding: var(--spacing-4) 0;
  border-top: 1px solid transparent;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-top-color: var(--color-canvas-parchment);
  border-bottom-color: var(--color-deep-graphite);
}
@media (min-width: 1024px) {
  .site-nav { display: block; }
}

/* Mobile sheet */
.site-nav.is-open {
  display: block;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--color-canvas-parchment);
  border-bottom: 1px solid var(--color-warm-gray-shadow);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-16) var(--spacing-24);
}
.site-nav.is-open ul {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-16);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: var(--spacing-48) 0 var(--spacing-64);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-40);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1.1fr 1fr; gap: var(--spacing-64); }
}
.hero h1 {
  font-family: var(--font-gelica);
  font-weight: var(--font-weight-semibold);
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: var(--leading-display);
  color: var(--color-jet-black);
  margin-bottom: var(--spacing-20);
}
.hero h1 .accent { color: var(--color-playful-red); }
.hero p.lead {
  font-family: var(--font-gelica);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  line-height: var(--leading-heading);
  color: var(--color-soft-black);
  font-weight: var(--font-weight-regular);
  margin-bottom: var(--spacing-32);
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-12);
}
.hero__media {
  border-radius: var(--radius-cards);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--color-canvas-parchment);
}
.hero__media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-gelica);
  font-size: var(--text-subheading);
  font-weight: var(--font-weight-regular);
  text-decoration: none;
  cursor: pointer;
  transition: transform 120ms ease-out, background-color 120ms ease-out, box-shadow 120ms ease-out;
}
.btn--pill {
  background: var(--color-canvas-parchment);
  color: var(--color-deep-graphite);
  border: 1px solid var(--color-deep-graphite);
  border-radius: var(--radius-buttons);
  padding: 6px 28px;
  box-shadow: var(--shadow-subtle);
  font-size: 22px;
}
.btn--pill:hover {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--color-canvas-parchment) 95%, var(--color-deep-graphite) 5%);
}
.btn--ghost {
  background: transparent;
  color: var(--color-deep-graphite);
  border: none;
  border-bottom: 1px solid var(--color-deep-graphite);
  border-radius: 0;
  padding: 4px 4px;
  font-size: var(--text-subheading);
}
.btn--ghost:hover { color: var(--color-playful-red); border-bottom-color: var(--color-playful-red); }

/* ============================================================
   Page Header (sub pages)
   ============================================================ */
.page-header {
  padding: var(--spacing-48) 0 var(--spacing-32);
  border-bottom: 1px solid var(--color-warm-gray-shadow);
}
.page-header__breadcrumb {
  font-family: var(--font-geist);
  font-size: var(--text-caption);
  color: var(--color-warm-gray-shadow);
  margin-bottom: var(--spacing-12);
}
.page-header h1 {
  font-family: var(--font-gelica);
  font-size: clamp(2.25rem, 6vw, var(--text-heading));
  font-weight: var(--font-weight-medium);
  color: var(--color-deep-graphite);
  margin-bottom: var(--spacing-12);
}
.page-header p.lead {
  font-family: var(--font-geist);
  font-size: var(--text-subheading);
  color: var(--color-soft-black);
}

/* ============================================================
   Section header
   ============================================================ */
.section-header { margin-bottom: var(--spacing-32); }
.section-header h2 {
  font-family: var(--font-gelica);
  font-size: clamp(2rem, 5vw, var(--text-heading));
  font-weight: var(--font-weight-medium);
  color: var(--color-deep-graphite);
  margin-bottom: var(--spacing-12);
}
.section-header p {
  font-family: var(--font-geist);
  font-size: var(--text-subheading);
  color: var(--color-soft-black);
}

/* ============================================================
   Cards
   ============================================================ */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-24);
}
@media (min-width: 768px) { .grid--2 { grid-template-columns: repeat(2, 1fr); } .grid--3 { grid-template-columns: repeat(2, 1fr); } .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--5 { grid-template-columns: repeat(5, 1fr); }
  .grid--6 { grid-template-columns: repeat(6, 1fr); }
}

.card {
  background: var(--color-canvas-parchment);
  border-radius: var(--radius-cards);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-24) var(--spacing-24) var(--spacing-16);
}
.card__title {
  font-family: var(--font-geist);
  font-size: var(--text-subheading);
  font-weight: var(--font-weight-medium);
  color: var(--color-deep-graphite);
  margin-bottom: var(--spacing-8);
}
.card__body {
  font-family: var(--font-geist);
  font-size: var(--text-body);
  color: var(--color-soft-black);
}

/* StatCard */
.stat {
  background: var(--color-canvas-parchment);
  border-radius: var(--radius-cards);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  min-height: 140px;
}
.stat__value {
  font-family: var(--font-gelica);
  font-size: clamp(2rem, 5vw, var(--text-heading));
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-heading);
}
.stat__label {
  font-family: var(--font-geist);
  font-size: var(--text-body);
  color: var(--color-deep-graphite);
}
.stat__unit {
  font-family: var(--font-geist);
  font-size: var(--text-caption);
  color: var(--color-warm-gray-shadow);
}
.stat--orange .stat__value { color: var(--color-cheeky-orange); }
.stat--blue   .stat__value { color: var(--color-sky-blue); }
.stat--pink   .stat__value { color: var(--color-bubblegum-pink); }
.stat--green  .stat__value { color: var(--color-grass-green); }
.stat--red    .stat__value { color: var(--color-playful-red); }

/* ============================================================
   Definition list / Tables
   ============================================================ */
.definition {
  background: var(--color-canvas-parchment);
  border-radius: var(--radius-cards);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-24) var(--spacing-32);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
}
.definition > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
  padding: var(--spacing-12) 0;
  border-bottom: 1px solid var(--color-warm-gray-shadow);
}
.definition > div:last-child { border-bottom: none; }
.definition dt {
  font-family: var(--font-geist);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-warm-gray-shadow);
}
.definition dd {
  margin: 0;
  font-family: var(--font-geist);
  font-size: var(--text-body);
  color: var(--color-deep-graphite);
}
@media (min-width: 768px) {
  .definition > div { grid-template-columns: 200px 1fr; gap: var(--spacing-16); align-items: baseline; }
  .definition dt { font-size: var(--text-body); }
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-canvas-parchment);
  border-radius: var(--radius-cards);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.data-table th, .data-table td {
  padding: var(--spacing-12) var(--spacing-16);
  font-family: var(--font-geist);
  font-size: var(--text-body);
  text-align: left;
  border-bottom: 1px solid var(--color-warm-gray-shadow);
}
.data-table th {
  font-weight: var(--font-weight-medium);
  color: var(--color-soft-black);
  background: color-mix(in srgb, var(--color-canvas-parchment) 92%, var(--color-warm-gray-shadow) 8%);
}
.data-table tr:last-child td { border-bottom: none; }

.table-scroll { width: 100%; overflow-x: auto; }

/* ============================================================
   Badge
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  background: var(--color-canvas-parchment);
  border: 1px solid var(--color-warm-gray-shadow);
  border-radius: var(--radius-tags);
  padding: 4px 12px;
  font-family: var(--font-geist);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-warm-gray-shadow);
}
.badge--ok    { color: var(--color-grass-green);  border-color: var(--color-grass-green); }
.badge--warn  { color: var(--color-playful-red);  border-color: var(--color-playful-red); }
.badge--info  { color: var(--color-sky-blue);     border-color: var(--color-sky-blue); }
.badge--accent{ color: var(--color-cheeky-orange);border-color: var(--color-cheeky-orange); }

/* ============================================================
   Accordion
   ============================================================ */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
}
.accordion__item {
  border: 1px solid var(--color-warm-gray-shadow);
  border-radius: var(--radius-cards);
  background: var(--color-canvas-parchment);
  overflow: hidden;
}
.accordion__header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-16);
  padding: var(--spacing-16) var(--spacing-24);
  background: transparent;
  border: 0;
  text-align: left;
  font-family: var(--font-gelica);
  font-size: 26px;
  font-weight: var(--font-weight-medium);
  color: var(--color-deep-graphite);
}
.accordion__chevron {
  width: 16px; height: 16px;
  border-right: 2px solid var(--color-deep-graphite);
  border-bottom: 2px solid var(--color-deep-graphite);
  transform: rotate(45deg);
  transition: transform 200ms ease-out;
  flex-shrink: 0;
}
.accordion__item[open] .accordion__chevron { transform: rotate(-135deg); }
.accordion__body {
  padding: var(--spacing-8) var(--spacing-24) var(--spacing-24);
  font-family: var(--font-geist);
  font-size: var(--text-body);
  color: var(--color-soft-black);
  border-top: 1px solid var(--color-warm-gray-shadow);
}

/* ============================================================
   Admission banner
   ============================================================ */
.admission-banner {
  margin: var(--spacing-24) 0;
  padding: var(--spacing-16) var(--spacing-24);
  background: var(--color-canvas-parchment);
  border: 1px dashed var(--color-cheeky-orange);
  border-radius: var(--radius-cards);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  flex-wrap: wrap;
}
.admission-banner__title {
  font-family: var(--font-gelica);
  font-size: 22px;
  color: var(--color-deep-graphite);
}
.admission-banner__title .accent { color: var(--color-playful-red); }
.admission-banner__sub {
  font-family: var(--font-geist);
  font-size: var(--text-caption);
  color: var(--color-soft-black);
}

/* ============================================================
   Gallery
   ============================================================ */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-16);
}
@media (min-width: 768px) { .gallery { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px){ .gallery { grid-template-columns: repeat(4, 1fr); } }
.gallery__item {
  border-radius: var(--radius-cards);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--color-canvas-parchment);
  transition: transform 160ms ease-out;
}
.gallery__item:hover { transform: translateY(-2px); }
.gallery__item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ============================================================
   Map
   ============================================================ */
.map-embed {
  position: relative;
  border-radius: var(--radius-cards);
  overflow: hidden;
  border: 1px solid var(--color-warm-gray-shadow);
  aspect-ratio: 4/3;
}
@media (min-width: 768px) { .map-embed { aspect-ratio: 16/9; } }
.map-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-cheeky-orange);
  color: var(--color-canvas-parchment);
  padding: var(--spacing-48) 0;
  margin-top: var(--spacing-64);
  border-top-left-radius: var(--radius-cards);
  border-top-right-radius: var(--radius-cards);
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-24);
}
@media (min-width: 768px) {
  .site-footer .container { grid-template-columns: 1.2fr 1fr 1fr; }
}
.site-footer h4 {
  font-family: var(--font-gelica);
  font-size: 26px;
  color: var(--color-canvas-parchment);
  margin-bottom: var(--spacing-12);
}
.site-footer p, .site-footer li, .site-footer a {
  font-family: var(--font-geist);
  font-size: var(--text-caption);
  color: var(--color-canvas-parchment);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--spacing-8); }
.site-footer a:hover { text-decoration: underline; }
.site-footer__legal {
  margin-top: var(--spacing-24);
  padding-top: var(--spacing-16);
  border-top: 1px solid color-mix(in srgb, var(--color-canvas-parchment) 30%, transparent);
  font-size: 14px;
  opacity: 0.9;
}

/* ============================================================
   Loading skeleton (data-bind placeholder hint)
   ============================================================ */
[data-bind]:empty::before { content: "—"; color: var(--color-warm-gray-shadow); }

/* ============================================================
   Utilities
   ============================================================ */
.stack > * + * { margin-top: var(--spacing-16); }
.center { text-align: center; }
.muted { color: var(--color-warm-gray-shadow); }
.accent-red { color: var(--color-playful-red); }
.accent-orange { color: var(--color-cheeky-orange); }
.accent-blue { color: var(--color-sky-blue); }
.accent-green { color: var(--color-grass-green); }
.accent-pink { color: var(--color-bubblegum-pink); }

.section + .section { padding-top: 0; }