/* ===== Design Tokens (Butter Yellow) ===== */
:root {
  /* Butter yellow scale */
  --butter-50:  #fffdf4;
  --butter-100: #fcf3d1;   /* soft fill / chips */
  --butter-200: #f9e9ad;
  --butter-300: #f6de85;
  --butter-400: #f2ce54;   /* butter — main accent / buttons */
  --butter-500: #ecc134;   /* deeper butter — hover */
  --gold-600:   #b8890f;   /* deep gold */
  --gold-700:   #8a6a0c;   /* deep gold — accent text on white (readable) */
  /* Warm neutrals / dark surfaces */
  --brown-800:  #40371b;
  --brown-900:  #292414;
  --ink:        #221e13;
  --body:       #55503f;
  --muted:      #8a8471;
  --line:       #ece7d8;
  --bg:         #ffffff;
  --bg-alt:     #fdfbf3;
  --white:      #ffffff;
  --btn-text:   #33290a;   /* dark text for yellow buttons */
  --shadow-sm:  0 1px 2px rgba(60,48,16,.05), 0 4px 12px rgba(60,48,16,.06);
  --shadow-md:  0 10px 30px rgba(60,48,16,.10);
  --radius:     18px;
  --radius-sm:  12px;
  --sans:       'Poppins', 'Noto Sans KR', system-ui, sans-serif;
  --kr:         'Noto Sans KR', 'Poppins', system-ui, sans-serif;
  --maxw:       1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--kr);
  color: var(--body);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, strong, b { color: var(--ink); font-weight: 700; line-height: 1.3; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: 15px;
  cursor: pointer; border: none; transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  font-family: var(--kr);
}
.btn-primary { background: var(--butter-400); color: var(--btn-text); box-shadow: 0 6px 18px rgba(236,193,52,.4); }
.btn-primary:hover { background: var(--butter-500); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(236,193,52,.5); }
.btn-ghost { background: var(--butter-100); color: var(--gold-700); }
.btn-ghost:hover { background: var(--butter-200); transform: translateY(-2px); }
.btn-block { width: 100%; margin-top: 6px; }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.82); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s;
}
.header.scrolled { border-color: var(--line); box-shadow: 0 4px 20px rgba(60,48,16,.06); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 44px; height: 44px; flex: none; border-radius: 13px;
  background: linear-gradient(140deg, var(--butter-400), var(--gold-600));
  color: var(--btn-text); font-family: var(--kr); font-weight: 900; font-size: 13px;
  display: grid; place-items: center; letter-spacing: -.5px; line-height: 1.05;
  box-shadow: 0 6px 16px rgba(236,193,52,.4);
}
.brand-text { display: flex; flex-direction: column; }
.brand-text strong { font-size: 16px; letter-spacing: -.3px; }
.brand-text small { font-size: 11.5px; color: var(--muted); font-weight: 500; }

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-size: 15px; font-weight: 500;
  color: var(--body); transition: background .2s, color .2s;
}
.nav-links a:hover { background: var(--butter-50); color: var(--gold-700); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  display: flex; align-items: center; gap: 5px; padding: 7px 13px;
  border: 1px solid var(--line); border-radius: 999px; background: #fff; cursor: pointer;
  font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--muted);
  transition: border-color .2s;
}
.lang-toggle:hover { border-color: var(--butter-400); }
.lang-opt { transition: color .2s; }
.lang-opt.active { color: var(--gold-700); }
.lang-sep { color: var(--line); }

.menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.menu-btn span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }

/* ===== Hero ===== */
.hero {
  padding: 150px 0 90px;
  background:
    radial-gradient(1000px 500px at 80% -10%, var(--butter-100), transparent 60%),
    radial-gradient(800px 400px at 0% 20%, #fdf6dd, transparent 55%),
    var(--bg);
}
.hero-inner { max-width: 780px; }
.hero-eyebrow {
  display: inline-block; font-size: 13.5px; font-weight: 600; color: var(--gold-700);
  background: var(--butter-100); padding: 7px 15px; border-radius: 999px; margin-bottom: 22px;
}
.hero-title { font-size: clamp(34px, 6vw, 58px); letter-spacing: -1.5px; margin-bottom: 22px; }
.hero-title .accent { color: var(--gold-700); }
.hero-sub { font-size: clamp(16px, 2.2vw, 19px); color: var(--body); max-width: 620px; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 54px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats .stat { display: flex; flex-direction: column; }
.hero-stats .stat strong { font-size: 26px; color: var(--gold-700); letter-spacing: -.5px; }
.hero-stats .stat span { font-size: 13.5px; color: var(--muted); }

/* ===== Sections ===== */
.section { padding: 92px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.kicker {
  font-size: 13px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gold-700); margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(27px, 4vw, 38px); letter-spacing: -.8px; }
.section-desc { margin-top: 14px; font-size: 16.5px; color: var(--body); }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm);
}

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: stretch; }
.about-message { display: flex; flex-direction: column; justify-content: center;
  background: linear-gradient(150deg, var(--brown-800), var(--brown-900)); border: none; color: #efe6cf; }
.about-message .card-label { color: var(--butter-300); font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 18px; }
.about-message .quote { font-size: 18px; line-height: 1.85; color: #fff; }
.about-message .signature { margin-top: 22px; color: var(--butter-300); font-weight: 600; }
.about-values { display: grid; grid-template-rows: repeat(3, 1fr); gap: 16px; }
.value { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 22px 24px; display: flex; flex-direction: column; gap: 4px; transition: transform .2s, box-shadow .2s; }
.value:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.value-icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--butter-100); color: var(--gold-700);
  font-family: var(--kr); font-weight: 900; font-size: 20px; display: grid; place-items: center; margin-bottom: 6px;
}
.value h3 { font-size: 18px; }
.value p { font-size: 14.5px; color: var(--body); }

/* ===== Programs ===== */
.program-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 26px; }
.program { transition: transform .2s, box-shadow .2s; }
.program:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--butter-200); }
.program-tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--gold-700); background: var(--butter-100); padding: 5px 11px; border-radius: 999px; margin-bottom: 14px; }
.program h3 { font-size: 20px; margin-bottom: 8px; }
.program p { font-size: 14.5px; color: var(--body); }

.schedule h3 { font-size: 19px; margin-bottom: 18px; }
.schedule-list { list-style: none; display: grid; gap: 12px; }
.schedule-list li { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: baseline; padding-bottom: 12px; border-bottom: 1px dashed var(--line); }
.schedule-list li:last-child { border-bottom: none; padding-bottom: 0; }
.schedule-list li span { min-width: 110px; color: var(--muted); font-size: 14px; }
.schedule-list li b { color: var(--ink); font-size: 15.5px; }

/* ===== Admission ===== */
.admission-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: start; }
.admission-info h2 { font-size: clamp(27px, 4vw, 38px); letter-spacing: -.8px; }
.steps { list-style: none; margin-top: 30px; display: grid; gap: 18px; }
.steps li { display: flex; gap: 16px; align-items: flex-start; }
.steps li span {
  width: 34px; height: 34px; flex: none; border-radius: 50%; background: var(--brown-900); color: var(--butter-400);
  display: grid; place-items: center; font-weight: 700; font-size: 15px;
}
.steps li b { display: block; font-size: 16px; }
.steps li small { color: var(--muted); font-size: 14px; }

.admission-form { display: grid; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  font-family: var(--kr); font-size: 15px; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; background: #fdfbf3;
  transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--butter-400); box-shadow: 0 0 0 3px var(--butter-100); background: #fff;
}
.field textarea { resize: vertical; }
.form-note { font-size: 12.5px; color: var(--muted); text-align: center; }
.form-note.success { color: var(--gold-700); font-weight: 600; }
.form-note.error { color: #c0392b; font-weight: 600; }

/* ===== News ===== */
.news-list { display: grid; gap: 16px; }
.news-item { display: flex; gap: 24px; align-items: flex-start; transition: transform .2s, box-shadow .2s; }
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.news-date { flex: none; text-align: center; min-width: 64px; padding-right: 22px; border-right: 1px solid var(--line); }
.news-date span { display: block; font-size: 12.5px; color: var(--muted); }
.news-date b { display: block; font-size: 22px; color: var(--gold-700); letter-spacing: -.5px; }
.news-badge { display: inline-block; font-size: 11.5px; font-weight: 700; color: var(--gold-700); background: var(--butter-100); padding: 3px 10px; border-radius: 999px; margin-bottom: 8px; }
.news-body h3 { font-size: 18px; margin-bottom: 5px; }
.news-body p { font-size: 14.5px; color: var(--body); }

/* ===== Gallery ===== */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 200px; gap: 16px; }
.g-item {
  border-radius: var(--radius); overflow: hidden; position: relative;
  display: grid; place-items: center; color: var(--btn-text); font-weight: 700; font-size: 17px;
  background: linear-gradient(150deg, var(--butter-300), var(--butter-500)); cursor: pointer;
  transition: transform .25s, box-shadow .25s;
}
.g-item::after { content: ""; position: absolute; inset: 0; background: rgba(41,36,20,.06); transition: background .25s; }
.g-item span { position: relative; z-index: 1; }
.g-item:hover { transform: scale(1.02); box-shadow: var(--shadow-md); }
.g-item:hover::after { background: rgba(41,36,20,0); }
.g-1 { background: linear-gradient(150deg, #f6d873, #ecc134); }
.g-2 { background: linear-gradient(150deg, #f2ce54, #d9a92a); }
.g-3 { background: linear-gradient(150deg, #f8e59b, #f2ce54); }
.g-4 { background: linear-gradient(150deg, #ecc134, #c99a1e); }
.g-5 { background: linear-gradient(150deg, #f3d269, #e0b53a); }
.g-6 { background: linear-gradient(150deg, #e6c04a, #d9a92a); }
.g-1 { grid-column: span 2; }
.g-4 { grid-row: span 1; }

/* 실제 업로드 사진 타일 */
.g-item.g-photo { background-size: cover; background-position: center; color: #fff; place-items: end start; padding: 16px; }
.g-item.g-photo::after { background: linear-gradient(to top, rgba(20,16,6,.6), rgba(20,16,6,0) 55%); }
.g-item.g-photo:hover::after { background: linear-gradient(to top, rgba(20,16,6,.45), rgba(20,16,6,0) 60%); }
.g-item.g-photo span { font-size: 14.5px; text-shadow: 0 1px 4px rgba(0,0,0,.55); }

/* ===== Location ===== */
.location-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px; }
.location-info { display: grid; gap: 22px; align-content: start; }
.loc-row { display: flex; gap: 15px; align-items: flex-start; }
.loc-ic { font-size: 20px; line-height: 1.4; }
.loc-row b { display: block; font-size: 14px; }
.loc-row p { font-size: 15px; color: var(--body); }
.location-map { padding: 0; overflow: hidden; min-height: 340px; }
.map-placeholder {
  height: 100%; min-height: 340px; display: grid; place-items: center;
  background: repeating-linear-gradient(45deg, #f6efd6, #f6efd6 14px, #fdf9ec 14px, #fdf9ec 28px);
  color: var(--muted); font-size: 15px; text-align: center; padding: 20px;
}
.location-map iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }

/* ===== Footer ===== */
.footer { background: var(--brown-900); color: #d3cbb4; padding: 54px 0 32px; }
.footer-inner { display: grid; gap: 24px; }
.footer-brand strong { display: block; color: #fff; font-size: 18px; }
.footer-brand small { color: #b3aa8f; font-size: 13.5px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { font-size: 14.5px; color: #e8dfc8; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 13px; color: #9a9179; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }

/* ===== Reveal Animation ===== */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid, .admission-inner, .location-grid { grid-template-columns: 1fr; }
  .program-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .g-1 { grid-column: span 2; }
}
@media (max-width: 720px) {
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
    transform: translateY(-120%); opacity: 0; pointer-events: none; transition: .3s; box-shadow: var(--shadow-md);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 14px 12px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-links a:last-child { border-bottom: none; }
  .menu-btn { display: flex; }
  .menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn.open span:nth-child(2) { opacity: 0; }
  .menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding: 120px 0 70px; }
  .hero-stats { gap: 28px; }
  .field-row { grid-template-columns: 1fr; }
  .brand-text small { display: none; }
}
@media (max-width: 480px) {
  .program-grid, .gallery-grid { grid-template-columns: 1fr; }
  .g-1 { grid-column: span 1; }
  .news-item { flex-direction: column; gap: 12px; }
  .news-date { display: flex; gap: 8px; border-right: none; padding-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 10px; width: 100%; }
}

/* ============================================================
   갤러리 전용 페이지 (gallery.html) + 라이트박스
   ============================================================ */
.gallery-page { padding: 140px 0 90px; min-height: 70vh; }
.gallery-page .section-head { margin-bottom: 40px; }

.pg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pg-item {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius-sm);
  overflow: hidden; cursor: pointer; background: var(--butter-100);
  box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s;
}
.pg-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s; }
.pg-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,16,6,.55), rgba(20,16,6,0) 55%); opacity: 0; transition: opacity .25s; }
.pg-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.pg-item:hover img { transform: scale(1.05); }
.pg-item:hover::after { opacity: 1; }
.pg-item .pg-cap { position: absolute; left: 14px; right: 14px; bottom: 12px; z-index: 1; color: #fff; font-size: 14px; text-shadow: 0 1px 4px rgba(0,0,0,.6); opacity: 0; transform: translateY(6px); transition: opacity .25s, transform .25s; }
.pg-item:hover .pg-cap { opacity: 1; transform: translateY(0); }
.pg-empty { text-align: center; color: var(--muted); padding: 60px 0; grid-column: 1 / -1; }

/* 라이트박스 */
.lightbox { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; background: rgba(20,16,6,.88); backdrop-filter: blur(4px); padding: 24px; }
.lightbox.open { display: flex; }
.lightbox-img { max-width: min(92vw, 1100px); max-height: 82vh; border-radius: var(--radius-sm); box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lightbox-cap { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: #f3ecd6; font-size: 15px; padding: 0 24px; }
.lightbox-close { position: absolute; top: 20px; right: 24px; width: 44px; height: 44px; border: none; border-radius: 50%; background: rgba(255,255,255,.14); color: #fff; font-size: 26px; line-height: 1; cursor: pointer; transition: background .2s; }
.lightbox-close:hover { background: rgba(255,255,255,.28); }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border: none; border-radius: 50%; background: rgba(255,255,255,.14); color: #fff; font-size: 24px; cursor: pointer; transition: background .2s; }
.lightbox-nav:hover { background: rgba(255,255,255,.28); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

@media (max-width: 720px) {
  .pg-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .pg-grid { grid-template-columns: 1fr; }
  .lightbox-nav { width: 40px; height: 40px; }
}

/* ============================================================
   사이트 이미지 슬롯 (DB에서 사진을 끼워 넣는 자리)
   ============================================================ */
/* 홈 히어로에 배경 사진이 설정된 경우 → 글씨를 밝게 + 그림자 */
.hero.has-bg-image .hero-inner { text-shadow: 0 1px 10px rgba(0,0,0,.45); }
.hero.has-bg-image .hero-title,
.hero.has-bg-image .hero-sub { color: #fff; }
.hero.has-bg-image .hero-title .accent { color: var(--butter-300); }
.hero.has-bg-image .hero-eyebrow { color: #33290a; background: rgba(255,255,255,.85); }
.hero.has-bg-image .hero-stats .stat strong { color: #fff; }
.hero.has-bg-image .hero-stats .stat span { color: rgba(255,255,255,.82); }

/* 학교 소개 사진 (배너형) */
.about-photo { margin: 4px 0 30px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.about-photo img { width: 100%; height: clamp(220px, 34vw, 400px); object-fit: cover; display: block; }

/* 수업/프로그램 카드의 대표 사진 (카드 상단에 꽉 차게) */
.program-photo { margin: -30px -30px 18px; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
.program-photo img { width: 100%; height: 150px; object-fit: cover; display: block; }