:root {
  --kbc-bg: #f5f8fc;
  --kbc-surface: #ffffff;
  --kbc-surface-alt: #eef5fb;
  --kbc-ink: #172033;
  --kbc-muted: #5c6b80;
  --kbc-line: #d7e2ef;
  --kbc-brand: #0b4f8f;
  --kbc-brand-strong: #073763;
  --kbc-accent: #0f766e;
  --kbc-warning: #8a5a00;
  --kbc-shadow: 0 12px 30px rgba(23, 32, 51, 0.08);
}

* {
  box-sizing: border-box;
}

body.kbc-site {
  margin: 0;
  color: var(--kbc-ink);
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
  background: var(--kbc-bg);
  line-height: 1.6;
}

.kbc-page {
  min-height: 100vh;
}

.kbc-topbar {
  border-bottom: 1px solid var(--kbc-line);
  background: rgba(255, 255, 255, 0.95);
}

.kbc-container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.kbc-topbar .kbc-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.kbc-brand {
  color: var(--kbc-brand-strong);
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
}

.kbc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.kbc-nav a,
.kbc-breadcrumbs a,
.kbc-card a {
  color: var(--kbc-brand);
}

.kbc-nav a {
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.kbc-hero {
  padding: 44px 0 28px;
}

.kbc-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  padding: 30px;
  border: 1px solid var(--kbc-line);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
  box-shadow: var(--kbc-shadow);
}

.kbc-eyebrow {
  margin: 0 0 8px;
  color: var(--kbc-accent);
  font-size: 13px;
  font-weight: 800;
}

.kbc-hero h1 {
  margin: 0;
  color: var(--kbc-ink);
  font-size: 34px;
  line-height: 1.22;
  letter-spacing: 0;
}

.kbc-section h2 {
  margin: 0;
  color: var(--kbc-ink);
  font-size: 26px;
  line-height: 1.28;
  letter-spacing: 0;
}

.kbc-hero p,
.kbc-section-intro {
  margin: 12px 0 0;
  max-width: 760px;
  color: var(--kbc-muted);
}

.kbc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.kbc-button,
.kbc-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 15px;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.kbc-button {
  color: #ffffff;
  background: var(--kbc-brand);
}

.kbc-button-secondary {
  color: var(--kbc-brand-strong);
  border: 1px solid var(--kbc-line);
  background: #ffffff;
}

.kbc-section {
  padding: 28px 0;
}

.kbc-filter-panel {
  margin: 20px 0 22px;
  padding: 18px;
  border: 1px solid var(--kbc-line);
  border-radius: 8px;
  background: var(--kbc-surface);
}

.kbc-filter-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.6fr) repeat(3, minmax(150px, 1fr));
  gap: 12px;
}

.kbc-field label {
  display: block;
  margin-bottom: 6px;
  color: var(--kbc-muted);
  font-size: 13px;
  font-weight: 800;
}

.kbc-field input,
.kbc-field select {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--kbc-line);
  border-radius: 6px;
  color: var(--kbc-ink);
  background: #ffffff;
  font: inherit;
}

.kbc-result-count {
  margin-top: 12px;
  color: var(--kbc-muted);
  font-size: 14px;
}

.kbc-report-grid,
.kbc-archive-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.kbc-card {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border: 1px solid var(--kbc-line);
  border-radius: 8px;
  background: var(--kbc-surface);
  box-shadow: 0 8px 18px rgba(23, 32, 51, 0.05);
}

.kbc-card h2,
.kbc-card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: 0;
}

.kbc-card p {
  margin: 10px 0 0;
  color: var(--kbc-muted);
  font-size: 14px;
}

.kbc-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.kbc-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--kbc-brand-strong);
  background: var(--kbc-surface-alt);
  font-size: 12px;
  font-weight: 800;
}

.kbc-card-link {
  display: inline-flex;
  margin-top: 16px;
  font-weight: 800;
  text-decoration: none;
}

.kbc-breadcrumbs {
  margin: 18px 0 0;
  color: var(--kbc-muted);
  font-size: 14px;
}

.kbc-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.kbc-breadcrumbs li::after {
  margin-left: 8px;
  color: #8b98aa;
  content: "/";
}

.kbc-breadcrumbs li:last-child::after {
  content: "";
}

.kbc-landing-summary {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 18px;
  align-items: stretch;
}

.kbc-info-box,
.kbc-methodology,
.kbc-geo-faq,
.kbc-official-notice {
  padding: 18px;
  border: 1px solid var(--kbc-line);
  border-radius: 8px;
  background: var(--kbc-surface);
}

.kbc-info-box h2,
.kbc-methodology h2,
.kbc-geo-faq h2,
.kbc-official-notice h2 {
  margin: 0 0 10px;
  font-size: 21px;
  letter-spacing: 0;
}

.kbc-info-box p,
.kbc-methodology p,
.kbc-methodology dd,
.kbc-geo-faq p,
.kbc-official-notice p {
  margin: 9px 0 0;
  color: var(--kbc-muted);
}

.kbc-methodology,
.kbc-geo-faq {
  width: min(1120px, calc(100% - 32px));
  margin: 28px auto 0;
  background: #ffffff;
}

.kbc-methodology dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.kbc-methodology dt {
  color: var(--kbc-brand-strong);
  font-weight: 800;
}

.kbc-methodology dd {
  margin-left: 0;
}

.kbc-geo-faq {
  display: grid;
  gap: 12px;
}

.kbc-geo-faq article {
  padding-top: 12px;
  border-top: 1px solid var(--kbc-line);
}

.kbc-geo-faq h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
}

.kbc-official-notice {
  width: min(1120px, calc(100% - 32px));
  margin: 36px auto;
  border-color: #cbd9e9;
  background: #f8fbff;
}

.kbc-report-nav {
  width: min(1120px, calc(100% - 32px));
  margin: 28px auto 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--kbc-line);
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
}

.kbc-empty {
  grid-column: 1 / -1;
  padding: 18px;
  border: 1px solid var(--kbc-line);
  border-radius: 8px;
  background: var(--kbc-surface);
  color: var(--kbc-muted);
}

.kbc-footer {
  margin-top: 34px;
  padding: 24px 0;
  border-top: 1px solid var(--kbc-line);
  color: var(--kbc-muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .kbc-hero-panel,
  .kbc-landing-summary {
    grid-template-columns: 1fr;
  }

  .kbc-filter-grid,
  .kbc-report-grid,
  .kbc-archive-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .kbc-container {
    width: min(100% - 24px, 1120px);
  }

  .kbc-topbar .kbc-container {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .kbc-hero {
    padding-top: 28px;
  }

  .kbc-hero-panel {
    padding: 20px;
  }

  .kbc-hero h1 {
    font-size: 28px;
  }

  .kbc-section h2 {
    font-size: 23px;
  }

  .kbc-methodology dl {
    grid-template-columns: 1fr;
  }
}