/* 교습소원상복구철거 — 페이퍼 화이트 concept
   Primary #2D3142 / Accent #4F9D69 */

:root {
  --primary: #2D3142;
  --accent: #4F9D69;
  --accent-dark: #3C7D52;
  --paper: #FAF9F5;
  --card-bg: #FFFFFF;
  --card-border: #E4E1D8;
  --text-body: #3A3D4A;
  --text-muted: #63667A;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-body);
  font-family: "Spoqa Han Sans Neo", "Spoqa Han Sans", -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
  font-display: swap;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent-dark); }
a:hover, a:focus { color: var(--primary); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--primary);
  border-radius: 8px;
  position: absolute;
  right: 16px;
  top: 14px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 6px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 12px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--primary);
  border-color: var(--card-border);
  background: var(--paper);
}

.site-nav a[aria-current="page"] {
  color: var(--accent-dark);
  border-color: var(--accent);
  background: #EFF7F1;
  font-weight: 700;
}

/* ---------- Layout / Cards ---------- */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 28px 24px;
  box-shadow: 0 6px 20px rgba(45, 49, 66, 0.06);
}

.hero-card { padding-bottom: 24px; }

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

h1 {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 1.35rem;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}

h3 {
  margin: 22px 0 8px;
  color: var(--primary);
  font-size: 1.05rem;
}

.card h3:first-of-type { margin-top: 4px; }

p { margin: 0 0 12px; }
p:last-child { margin-bottom: 0; }

.lead {
  color: var(--text-muted);
  font-size: 1.02rem;
}

.hero-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 10px;
}

/* ---------- Table ---------- */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--card-border);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.95rem;
}

thead th {
  background: var(--primary);
  color: #FFFFFF;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--paper); }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.gallery-grid figure {
  margin: 0;
}

.gallery-grid img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--card-border);
}

/* ---------- FAQ Accordion ---------- */
.accordion-item {
  border-bottom: 1px solid var(--card-border);
}
.accordion-item:last-child { border-bottom: none; }

.accordion-item h3 { margin: 0; font-size: 1rem; }

.accordion-trigger {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 4px;
  background: none;
  border: none;
  text-align: left;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.accordion-trigger .chevron {
  flex-shrink: 0;
  color: var(--accent-dark);
  transition: transform 0.2s ease;
}

.accordion-trigger[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.accordion-panel.is-open {
  grid-template-rows: 1fr;
}

.accordion-panel > p {
  overflow: hidden;
  margin: 0;
  padding: 0 4px 16px;
  color: var(--text-muted);
}

.accordion-panel:not(.is-open) > p {
  padding-top: 0;
  padding-bottom: 0;
}

/* fallback for browsers without subgrid rows animation quirk */
.accordion-panel { overflow: hidden; }

/* ---------- CTA ---------- */
.cta-card {
  text-align: center;
  background: var(--primary);
  border-color: var(--primary);
}
.cta-card h2 {
  color: #FFFFFF;
  border-left: none;
  padding-left: 0;
  justify-content: center;
}
.cta-card p {
  color: #D9DBE4;
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}
.cta-card a:not(.btn-outline) { color: #B8E3C7; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 44px;
  margin-top: 16px;
  padding: 10px 28px;
  border: 2px solid var(--accent);
  border-radius: 999px;
  color: #FFFFFF;
  background: transparent;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
}

/* ---------- Footer ---------- */
footer {
  background: var(--primary);
  color: #C9CBD6;
  padding: 32px 20px 40px;
}

footer nav {
  max-width: 900px;
  margin: 0 auto 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  justify-content: center;
}

footer nav a {
  color: #C9CBD6;
  text-decoration: none;
  font-size: 0.88rem;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}

footer nav a:hover,
footer nav a:focus { color: #FFFFFF; }

footer address {
  max-width: 900px;
  margin: 0 auto;
  font-style: normal;
  text-align: center;
  font-size: 0.85rem;
  line-height: 1.8;
  color: #B3B6C4;
  border-top: 1px solid #454A5E;
  padding-top: 18px;
}

footer address a {
  color: #B8E3C7;
}

footer p {
  text-align: center;
  margin: 14px 0 0;
  font-size: 0.78rem;
  color: #8C8FA0;
}

/* ---------- Breakpoints ---------- */
@media (max-width: 1024px) {
  main { max-width: 720px; }
  .header-inner, footer nav, footer address { max-width: 720px; }
}

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

@media (max-width: 480px) {
  main { padding: 16px 14px 48px; }
  .card { padding: 20px 16px; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.15rem; }
  .gallery-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { justify-content: center; }
  .header-inner { align-items: stretch; }
  .logo { align-self: center; }
}

@media (min-width: 1280px) {
  main, .header-inner, footer nav, footer address { max-width: 980px; }
}


/* 모바일 하단 고정 CTA 바 (전화/문의) — 번호 텍스트 미노출 */
.mobile-cta-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  display: none;
  box-shadow: 0 -2px 12px rgba(0,0,0,.16);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
@media (max-width: 767px) {
  .mobile-cta-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  body { padding-bottom: 64px; }
}
.mobile-cta-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  color: #fff;
  background: #2D3142;
}
.mobile-cta-bar .mobile-cta-contact {
  background: #2D3142;
  filter: brightness(1.22);
  border-left: 1px solid rgba(255,255,255,.25);
}