:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-surface-alt: #eef2f8;
  --color-border: #e1e6ee;
  --color-text: #1a2233;
  --color-text-muted: #5b6579;
  --color-text-faint: #8994a6;
  --color-primary: #1656d9;
  --color-primary-dark: #0f3fa3;
  --color-primary-soft: #e8f0ff;
  --color-accent: #b7791f;
  --color-accent-soft: #fdf3df;
  --color-danger: #c0392b;
  --color-success: #1a8a5f;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(20, 30, 60, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 30, 60, 0.08);
  --max-width: 1080px;
  --font-sans: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 17px;
  text-decoration: none;
  color: var(--color-text);
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), #4f8cff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.nav-cta {
  margin-left: 6px;
  background: var(--color-primary) !important;
  color: #fff !important;
}

.nav-cta:hover {
  background: var(--color-primary-dark) !important;
  color: #fff !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 40px;
  background:
    radial-gradient(circle at 15% 20%, rgba(22, 86, 217, 0.08), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(183, 121, 31, 0.08), transparent 40%);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.35;
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero p.lead {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.1s, box-shadow 0.15s, background 0.15s;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.hero-notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--color-text-muted);
  max-width: 720px;
}

.hero-notice strong {
  color: var(--color-text);
}

/* ---------- Stats strip ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 8px;
}

.stat-item {
  background: var(--color-surface);
  padding: 18px 16px;
  text-align: center;
}

.stat-item .num {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
}

.stat-item .label {
  font-size: 12.5px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ---------- Section headings ---------- */
.section {
  padding: 44px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: 21px;
  margin: 0 0 4px;
  font-weight: 800;
}

.section-head p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13.5px;
}

.updated-at {
  font-size: 12.5px;
  color: var(--color-text-faint);
  white-space: nowrap;
}

/* ---------- Toolbar (search & filter) ---------- */
.toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 22px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.search-box input {
  border: none;
  outline: none;
  flex: 1;
  font-size: 14.5px;
  font-family: inherit;
  background: transparent;
  color: var(--color-text);
}

.search-box svg {
  flex-shrink: 0;
  color: var(--color-text-faint);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---------- Card grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.program-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition: box-shadow 0.15s, border-color 0.15s, transform 0.1s;
  position: relative;
}

.program-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #c8d6f5;
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
}

.badge.refund {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.badge.new {
  background: #fdeaea;
  color: var(--color-danger);
}

.card-title {
  font-size: 16.5px;
  font-weight: 800;
  margin: 0;
  line-height: 1.4;
}

.card-agency {
  font-size: 12.5px;
  color: var(--color-text-faint);
  font-weight: 600;
}

.card-summary {
  font-size: 13.5px;
  color: var(--color-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-faint);
  border-top: 1px dashed var(--color-border);
  padding-top: 10px;
  margin-top: 2px;
}

.card-foot .cta {
  color: var(--color-primary);
  font-weight: 700;
}

.empty-state,
.loading-state,
.error-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
  font-size: 14px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.error-state {
  color: var(--color-danger);
  border-color: #f3c9c4;
  background: #fff6f5;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 35, 0.55);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  z-index: 100;
  overflow-y: auto;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.modal-close:hover {
  background: var(--color-surface-alt);
}

.modal h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 12px 0 6px;
  padding-right: 30px;
}

.modal-section {
  margin-top: 18px;
}

.modal-section h4 {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-faint);
  margin: 0 0 6px;
  font-weight: 700;
}

.modal-section p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text);
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  flex-wrap: wrap;
}

/* ---------- Info / static pages ---------- */
.page-hero {
  padding: 44px 0 8px;
}

.page-hero h1 {
  font-size: clamp(24px, 3.4vw, 32px);
  margin: 0 0 10px;
  font-weight: 800;
}

.page-hero p {
  color: var(--color-text-muted);
  font-size: 15px;
  max-width: 680px;
}

.content-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px 28px;
  margin-bottom: 18px;
}

.content-block h2 {
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.content-block h2 .num {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.content-block p,
.content-block li {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0 0 8px;
}

.content-block ul {
  margin: 0;
  padding-left: 20px;
}

.callout {
  background: var(--color-primary-soft);
  border: 1px solid #cddcfb;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-size: 13.5px;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
  line-height: 1.7;
}

.callout.warn {
  background: var(--color-accent-soft);
  border-color: #f1dcae;
  color: #7a5410;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-success);
  font-weight: 800;
}

.cross-list li::before {
  content: "✕";
  color: var(--color-danger);
}

table.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

table.info-table th,
table.info-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  vertical-align: top;
}

table.info-table th {
  width: 30%;
  color: var(--color-text);
  font-weight: 700;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-top: 40px;
  padding: 36px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--color-text-muted);
  max-width: 320px;
}

.footer-col h5 {
  font-size: 13px;
  margin: 0 0 12px;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.footer-col a {
  display: block;
  font-size: 13.5px;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 9px;
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  font-size: 12px;
  color: var(--color-text-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-disclaimer {
  font-size: 12px;
  color: var(--color-text-faint);
  line-height: 1.7;
  margin-top: 4px;
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 16px 16px;
    border-bottom: 1px solid var(--color-border);
    display: none;
    gap: 2px;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 12px;
  }

  .menu-toggle {
    display: flex;
  }

  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col {
    grid-template-columns: 1fr;
  }

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