/* 알콩 site — 앱과 같은 lavender 톤. */

:root {
  --brand-50:  #F5F0FF;
  --brand-100: #EFE8FF;
  --brand-200: #E7DFFF;
  --brand-300: #D8CEFF;
  --brand-400: #C2B7FF;
  --brand-500: #B5A9F3;
  --brand-600: #8377C3;
  --brand-700: #5E5295;

  --sky-500:   #7AA2F7;

  --bg:        #FFFDF9;
  --bg-card:   #FFFFFF;
  --ink:       #1E1E1E;
  --ink-mid:   #4A4A55;
  --ink-soft:  #75757E;
  --border:    #ECE7F4;
  --shadow:    0 1px 2px rgba(30, 26, 60, 0.04), 0 8px 24px rgba(30, 26, 60, 0.06);
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
               "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
  letter-spacing: -0.005em;
}

/* ─── Header ─────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(255, 253, 249, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
  box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.12),
              0 4px 10px rgba(181, 169, 243, 0.35);
}

.site-lang a {
  color: var(--ink-mid);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.15s ease;
}

.site-lang a:hover {
  color: var(--brand-700);
  border-color: var(--brand-300);
  background: var(--brand-50);
}

/* ─── Main ───────────────────────────────────────── */

.site-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

.page {
  background: var(--bg-card);
  border-radius: 24px;
  padding: 48px 40px;
  box-shadow: var(--shadow);
}

/* ─── Typography ─────────────────────────────────── */

.page h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
  color: var(--ink);
}

.page h1 + p > strong:first-child {
  /* "시행일:" 강조 한 줄 */
  color: var(--ink-mid);
}

.page h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 40px 0 12px;
  color: var(--ink);
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.page h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.page h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 24px 0 8px;
  color: var(--brand-700);
}

.page p {
  margin: 12px 0;
  color: var(--ink-mid);
}

.page strong {
  color: var(--ink);
  font-weight: 700;
}

.page a {
  color: var(--brand-600);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  text-decoration-color: var(--brand-300);
  transition: text-decoration-color 0.15s ease;
}

.page a:hover {
  text-decoration-color: var(--brand-600);
}

.page ul, .page ol {
  padding-left: 22px;
  color: var(--ink-mid);
}

.page li {
  margin: 6px 0;
}

.page li strong {
  color: var(--ink);
}

.page hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.page table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}

.page table th,
.page table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  color: var(--ink-mid);
}

.page table th {
  background: var(--brand-50);
  color: var(--ink);
  font-weight: 700;
  border-bottom: 2px solid var(--brand-200);
}

.page table tr:last-child td {
  border-bottom: none;
}

.page blockquote {
  margin: 16px 0;
  padding: 16px 20px;
  background: var(--brand-50);
  border-left: 3px solid var(--brand-400);
  border-radius: 8px;
  color: var(--ink-mid);
}

.page blockquote p {
  margin: 4px 0;
}

/* ─── Landing-specific (index.md) ────────────────── */

.page .lead {
  font-size: 18px;
  color: var(--ink-mid);
  margin-bottom: 32px;
}

.page .doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 24px 0;
}

.page .doc-grid a.doc-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 24px;
  border-radius: 16px;
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  color: var(--ink);
  text-decoration: none;
  transition: all 0.15s ease;
}

.page .doc-grid a.doc-card:hover {
  background: var(--brand-100);
  border-color: var(--brand-300);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(181, 169, 243, 0.18);
}

.page .doc-grid .doc-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page .doc-grid .doc-sub {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ─── Footer ─────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 32px 24px 48px;
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
}

.footer-tagline {
  font-size: 15px;
  color: var(--ink-mid);
  margin: 0 0 8px;
  font-weight: 500;
}

.footer-contact a {
  color: var(--brand-600);
  text-decoration: none;
  font-weight: 600;
}

.footer-contact a:hover {
  text-decoration: underline;
}

.footer-copy {
  margin-top: 12px;
  font-size: 12px;
  color: var(--ink-soft);
}

/* ─── Responsive ─────────────────────────────────── */

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }
  .site-main {
    padding: 24px 12px 64px;
  }
  .page {
    padding: 28px 22px;
    border-radius: 18px;
  }
  .page h1 {
    font-size: 26px;
  }
  .page h2 {
    font-size: 18px;
    margin-top: 32px;
  }
  .page table {
    font-size: 14px;
  }
  .page table th,
  .page table td {
    padding: 8px 10px;
  }
}