:root {
  --crimson: #8C1D2B;
  --navy: #1B2340;
  --gold: #C9A227;
  --gold-text: #7A5F14; /* 페이퍼 배경 위 텍스트용 — 골드보다 어둡게 낮춰 명도 대비 4.5:1 이상 확보 */
  --paper: #FAF7F2;
  --charcoal: #22201E;
  --gray: #767066;
  --line: #E4DCD0;
  --line2: #D9D2C4;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', 'Noto Sans CJK KR', sans-serif;
  background: var(--paper);
  color: var(--charcoal);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 40px; }

/* NAV */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,247,242,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
nav { position: relative; display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 1px; font-size: 16px; color: var(--navy); }
.logo .mark { width: 30px; height: 30px; border-radius: 50%; border: 1.4px solid var(--gold); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800; color: var(--crimson); }

/* 오른쪽 그룹: 기본 메뉴(항상 노출) + 더보기 버튼(예산·자료실 전용) */
.nav-right { display: flex; align-items: center; gap: 22px; }
.navlinks-main { display: flex; gap: 26px; font-size: 14px; font-weight: 600; color: var(--gray); }
.navlinks-main a:hover { color: var(--crimson); }

.nav-toggle { display: none; }
.nav-burger { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; margin: -8px; }
.nav-burger span { width: 22px; height: 2px; border-radius: 2px; background: var(--navy); display: block; }

/* 더보기 드롭다운: 예산 · 자료실 — 데스크톱에서도 이 버튼을 눌러야만 나타남 */
.navlinks-more {
  position: absolute; top: calc(100% + 9px); right: 0; min-width: 190px;
  display: flex; flex-direction: column; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  max-height: 0; overflow: hidden;
  transition: max-height 0.25s ease;
  box-shadow: 0 16px 30px rgba(0,0,0,0.12);
  font-size: 14px; font-weight: 600; color: var(--gray);
}
.navlinks-more a { padding: 13px 20px; border-top: 1px solid var(--line); white-space: nowrap; }
.navlinks-more a:first-child { border-top: none; }
.navlinks-more a:hover { color: var(--crimson); }
.nav-toggle:checked ~ .navlinks-more { max-height: 480px; }

.only-mobile { display: none; }

/* 서브페이지(예산/자료실) 상단 돌아가기 버튼 */
.back-bar { padding: 14px 0; }
.back-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; color: var(--navy); }
.back-btn:hover { color: var(--crimson); }

@media (max-width: 900px) {
  .navlinks-main { display: none; }
  .navlinks-more {
    left: 0; right: 0; top: calc(100% + 1px); min-width: 0;
    border-radius: 0 0 14px 14px;
  }
  .navlinks-more a { padding: 14px 24px; }
  .only-mobile { display: block; }
}

/* HERO */
.hero { padding: 96px 0 76px; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line2);
  font-size: 12.5px; font-weight: 700; color: var(--navy); letter-spacing: 0.3px;
  margin-bottom: 26px;
}
.eyebrow b { color: var(--crimson); }
.hero h1 {
  font-size: 46px; font-weight: 800; color: var(--navy); letter-spacing: -1px; line-height: 1.28;
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--crimson); }
.hero p { font-size: 16.5px; color: var(--gray); max-width: 560px; margin: 0 auto; }

.hero-cta { display: flex; gap: 12px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 26px; border-radius: 10px; font-weight: 700; font-size: 14.5px; letter-spacing: 0.2px; }
.btn-primary { background: var(--crimson); color: #fff; box-shadow: 0 8px 20px rgba(140,29,43,0.25); }
.btn-primary:hover { background: #a3222f; }
.btn-ghost { background: #fff; color: var(--navy); border: 1.4px solid var(--line2); }
.btn-ghost:hover { border-color: var(--navy); }

.stat-row {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  margin-top: 52px;
}
.stat { background: #fff; padding: 26px 14px; text-align: center; }
.stat .num { font-size: 26px; font-weight: 800; color: var(--navy); letter-spacing: -0.5px; }
.stat .lbl { font-size: 12px; color: var(--gray); margin-top: 6px; letter-spacing: 0.2px; }

/* SECTION shared */
section { padding: 84px 0; border-top: 1px solid var(--line); }
.sec-head { margin-bottom: 44px; }
.sec-kicker { font-size: 12px; font-weight: 800; letter-spacing: 2.5px; color: var(--gold-text); margin-bottom: 10px; }
.sec-title { font-size: 28px; font-weight: 800; color: var(--navy); letter-spacing: -0.5px; }
.sec-sub { font-size: 15px; color: var(--gray); margin-top: 10px; max-width: 620px; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.about-body p { font-size: 15px; color: #3a372f; margin-bottom: 16px; }
.about-body b { color: var(--navy); }
.badge-list { display: flex; flex-direction: column; gap: 12px; }
.badge-item {
  display: flex; gap: 12px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px;
}
.badge-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--crimson); margin-top: 6px; flex-shrink: 0; }
.badge-item .t { font-weight: 700; font-size: 14px; color: var(--navy); }
.badge-item .d { font-size: 12.5px; color: var(--gray); margin-top: 2px; }

/* CURRICULUM */
.weeks { display: flex; flex-direction: column; }
.week {
  display: grid; grid-template-columns: 90px 1fr; gap: 20px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.week:first-child { padding-top: 0; }
.week .wk { font-weight: 800; font-size: 13px; color: var(--gold-text); letter-spacing: 0.5px; }
.week .wtitle { font-weight: 700; font-size: 15px; color: var(--navy); }
.week .wdesc { font-size: 13px; color: var(--gray); margin-top: 3px; }

.outcome-card {
  display: flex; align-items: center; gap: 36px;
  background: #fff; border: 1px solid var(--line2); border-radius: 16px;
  padding: 30px 34px; margin-top: 30px;
  box-shadow: 0 18px 40px rgba(27,35,64,0.06);
}
.outcome-visual { flex-shrink: 0; }
.outcome-doc {
  width: 132px; height: 172px; background: var(--paper);
  border: 1px solid var(--line2); border-radius: 8px;
  padding: 16px 14px; box-shadow: 0 10px 22px rgba(0,0,0,0.08);
  transform: rotate(-2deg);
  display: flex; flex-direction: column; gap: 7px;
}
.outcome-doc .doc-line { height: 5px; border-radius: 3px; background: var(--line2); }
.outcome-doc .doc-line.title { width: 62%; height: 8px; background: var(--navy); margin-bottom: 4px; }
.outcome-doc .doc-line.short { width: 45%; }
.outcome-doc .doc-chart {
  height: 34px; margin: 4px 0 2px;
  background: linear-gradient(90deg, rgba(140,29,43,0.16) 20%, rgba(201,162,39,0.28) 55%, rgba(27,35,64,0.14) 85%);
  border-radius: 4px; position: relative; overflow: hidden;
}
.outcome-doc .doc-chart::after {
  content: ''; position: absolute; left: 8px; right: 8px; bottom: 6px; height: 1px;
  background: rgba(27,35,64,0.25);
}
.outcome-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 800; letter-spacing: 0.5px; color: var(--crimson);
  background: rgba(140,29,43,0.08); border: 1px solid rgba(140,29,43,0.25);
  border-radius: 999px; padding: 5px 12px; margin-bottom: 10px;
}
.outcome-title { font-weight: 800; font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.outcome-desc { font-size: 13.5px; color: var(--gray); line-height: 1.7; max-width: 520px; }
.outcome-peek {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; margin-left: 2px; vertical-align: middle;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(140,29,43,0.08); border: 1px solid rgba(140,29,43,0.25);
  transition: transform 0.15s ease;
}
.outcome-peek:hover { transform: scale(1.12); background: rgba(140,29,43,0.14); }

/* 예시 리포트 안내 팝업 (:target 기반, JS 없이 동작) */
.modal-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 200;
  background: rgba(27,35,64,0.55);
  align-items: center; justify-content: center;
  padding: 20px;
}
.modal-overlay:target { display: flex; }
.modal-box {
  position: relative;
  background: #fff; border-radius: 16px;
  padding: 34px 30px 30px; max-width: 420px; width: 100%;
  box-shadow: 0 30px 70px rgba(0,0,0,0.28);
}
.modal-close {
  position: absolute; top: 14px; right: 16px;
  font-size: 22px; line-height: 1; color: var(--gray); font-weight: 700;
}
.modal-close:hover { color: var(--crimson); }
.modal-title { font-weight: 800; font-size: 17px; color: var(--navy); margin-bottom: 12px; padding-right: 24px; }
.modal-desc { font-size: 13.5px; color: var(--gray); line-height: 1.5; margin-bottom: 16px; }
.modal-toc { list-style: none; margin-bottom: 22px; }
.modal-toc li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: #3a372f; line-height: 1.55;
  padding: 8px 0; border-top: 1px solid var(--line);
}
.modal-toc li:first-child { border-top: none; padding-top: 0; }
.modal-toc .toc-num {
  flex-shrink: 0; width: 20px; height: 20px; margin-top: 1px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800; color: var(--crimson);
  background: rgba(140,29,43,0.08); border-radius: 50%;
}
.modal-cta { width: 100%; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 36px; }
.team-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 18px; }
.team-card .ti { font-size: 22px; margin-bottom: 10px; }
.team-card .tt { font-weight: 700; font-size: 14.5px; color: var(--navy); margin-bottom: 6px; }
.team-card .td { font-size: 12px; color: var(--gray); line-height: 1.55; }
.team-note { font-size: 12.5px; color: var(--gray); margin-top: 16px; }
.curriculum-note { font-size: 12.5px; color: var(--gray); margin-top: 10px; }
.extra-activities { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.extra-activities .ea-title { font-weight: 700; font-size: 13px; color: var(--navy); margin-bottom: 10px; }
.extra-activities .ea-list { display: flex; flex-wrap: wrap; gap: 8px; }
.extra-activities .ea-list span { font-size: 12px; color: var(--gray); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; }

/* OPERATION */
.op-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.op-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 20px; }
.op-card .oi { width: 36px; height: 36px; border-radius: 50%; background: rgba(140,29,43,0.08); border: 1px solid rgba(140,29,43,0.25); display: flex; align-items: center; justify-content: center; font-size: 15px; margin-bottom: 14px; }
.op-card .ot { font-weight: 700; font-size: 14.5px; color: var(--navy); margin-bottom: 6px; }
.op-card .od { font-size: 12.5px; color: var(--gray); line-height: 1.6; }

/* BUDGET */
.budget-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.budget-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.budget-table th { text-align: left; font-size: 11px; letter-spacing: 1px; color: var(--gray); font-weight: 700; padding: 8px 0; border-bottom: 1.5px solid var(--navy); }
.budget-table td { padding: 9px 0; border-bottom: 1px solid var(--line); color: #3a372f; }
.budget-table td.num { text-align: right; font-weight: 600; color: var(--navy); }
.budget-table tr.total td { font-weight: 800; color: var(--navy); border-bottom: none; border-top: 1.5px solid var(--navy); padding-top: 12px; }
.balance-badge {
  margin-top: 18px; display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,162,39,0.1); border: 1px solid rgba(201,162,39,0.4);
  border-radius: 999px; padding: 8px 16px; font-size: 12.5px; font-weight: 700; color: #7a5f14;
}
.budget-note { font-size: 12px; color: var(--gray); margin-top: 14px; line-height: 1.6; }

/* COMPLETION */
.comp-flow { display: flex; align-items: center; gap: 0; flex-wrap: wrap; margin-bottom: 32px; }
.comp-step { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 20px; font-size: 13px; font-weight: 700; color: var(--navy); flex: 1; min-width: 180px; text-align: center; }
.comp-arrow { color: var(--gold-text); font-size: 16px; padding: 0 10px; }
.comp-cert {
  display: flex; align-items: center; gap: 20px;
  background: linear-gradient(120deg, #1B2340, #2A0F16);
  border-radius: 14px; padding: 26px 30px; color: #fff;
}
.comp-cert .cseal { width: 52px; height: 52px; border-radius: 50%; border: 1.3px solid var(--gold); display: flex; align-items: center; justify-content: center; font-weight: 800; color: var(--gold); flex-shrink: 0; }
.comp-cert .ct { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.comp-cert .cd { font-size: 12.5px; color: #cfc9d8; }

/* PROOF GALLERY */
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.proof-item img { width: 100%; display: block; border-radius: 8px; border: 1px solid var(--line2); box-shadow: 0 10px 24px rgba(0,0,0,0.06); }
.proof-item figcaption { font-size: 12.5px; color: var(--gray); margin-top: 10px; line-height: 1.5; }
.proof-item figcaption b { display: block; color: var(--navy); font-size: 13px; margin-bottom: 2px; }
.proof-note { font-size: 12px; color: var(--gray); margin-top: 26px; line-height: 1.6; }

/* ARCHIVE */
.archive-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.archive-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 20px; display: flex; flex-direction: column; }
.archive-card .ai { font-size: 22px; margin-bottom: 10px; }
.archive-card .at { font-weight: 700; font-size: 14.5px; color: var(--navy); margin-bottom: 3px; }
.archive-card .am { font-size: 11px; color: var(--gold-text); font-weight: 700; letter-spacing: 0.3px; margin-bottom: 8px; }
.archive-card .ad { font-size: 12px; color: var(--gray); line-height: 1.6; flex: 1; margin-bottom: 16px; }
.archive-card .dl {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 13px; font-weight: 700; color: var(--crimson);
  border: 1px solid rgba(140,29,43,0.3); border-radius: 8px; padding: 9px 14px;
}
.archive-card .dl:hover { background: rgba(140,29,43,0.06); }
.archive-note { font-size: 12px; color: var(--gray); margin-top: 22px; line-height: 1.6; }

footer { padding: 56px 0 70px; border-top: 1px solid var(--line); }
.foot-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.foot-brand { font-weight: 800; color: var(--navy); font-size: 14px; letter-spacing: 1px; }
.foot-sub { font-size: 12px; color: var(--gray); margin-top: 4px; }
.foot-sub a { font-weight: 600; }
.foot-sub a:hover { color: var(--crimson); }
.foot-links { display: flex; flex-wrap: wrap; gap: 18px 22px; font-size: 13px; font-weight: 600; color: var(--gray); }
.foot-links a:hover { color: var(--crimson); }

/* ===== 모바일 최적화 ===== */
@media (max-width: 900px) {
  .wrap { padding: 0 28px; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .sec-title { font-size: 25px; }
  .archive-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .stat-row, .op-grid, .team-grid, .archive-grid, .proof-grid { grid-template-columns: repeat(2,1fr); }
  .about-grid, .budget-wrap { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .wrap { padding: 0 22px; }
  section { padding: 52px 0; }
  .hero { padding: 52px 0 44px; }
  .sec-head { margin-bottom: 32px; }
  .comp-flow { flex-direction: column; align-items: stretch; gap: 8px; }
  .comp-step { min-width: 0; }
  .comp-arrow { text-align: center; padding: 0; }
  .comp-cert { flex-direction: column; text-align: center; }
  .outcome-card { flex-direction: column; text-align: center; }
  .outcome-desc { max-width: 100%; }
  .foot-row { text-align: center; justify-content: center; }
  .foot-links { justify-content: center; }
}
@media (max-width: 480px) {
  .stat-row, .op-grid, .team-grid, .archive-grid, .proof-grid { grid-template-columns: 1fr; }
  .wrap { padding: 0 18px; }
  .hero h1 { font-size: 27px; }
  .hero p { font-size: 15px; }
  .eyebrow { font-size: 11.5px; padding: 6px 14px; }
  .sec-title { font-size: 22px; }
  .sec-sub { font-size: 14px; }
  .btn { padding: 13px 20px; font-size: 14px; }
  .op-card, .archive-card, .team-card { padding: 18px 16px; }
}