:root {
  --color-primary: #2a8c82;
  --color-primary-dark: #1e6b63;
  --color-primary-light: #e6f5f3;
  --color-accent: #1b6b5a;
  --color-dark: #1a1a2e;
  --color-gray-900: #212529;
  --color-gray-700: #495057;
  --color-gray-500: #868e96;
  --color-gray-300: #dee2e6;
  --color-gray-100: #f8f9fa;
  --color-ivory: #fefcf9;
  --color-warning: #d4772c;
  --color-danger: #c0392b;
  --color-bg: #fefcf9;
  --font-heading: 'Noto Serif KR', 'Pretendard Variable', serif;
  --font-body: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;
  --space-3xl: 128px;
  --content-width: 780px;
  --site-width: 1200px;
  --transition: 200ms ease;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--color-gray-900);
  background: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }

/* Site Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(254,252,249,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-300);
  padding: var(--space-sm) 0;
}
.site-header .container {
  max-width: var(--site-width);
  margin: 0 auto; padding: 0 var(--space-md);
  display: flex; align-items: center; justify-content: space-between;
}
.site-logo { display: flex; align-items: center; gap: var(--space-xs); text-decoration: none; }
.site-logo img { width: 40px; height: 40px; border-radius: var(--radius-sm); }
.site-logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem; font-weight: 700;
  color: var(--color-dark); letter-spacing: -0.02em;
}
.site-nav { display: flex; gap: var(--space-md); align-items: center; }
.site-nav a {
  font-size: 0.92rem; font-weight: 500;
  color: var(--color-gray-700);
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition);
}
.site-nav a:hover { color: var(--color-primary); }
.site-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--color-primary);
  transition: width var(--transition);
}
.site-nav a:hover::after { width: 100%; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle svg { width: 24px; height: 24px; stroke: var(--color-gray-700); }

@media (max-width: 768px) {
  .site-nav {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: var(--color-bg); flex-direction: column;
    padding: var(--space-xl) var(--space-md);
    box-shadow: var(--shadow-lg); transition: right 300ms ease; z-index: 200;
    gap: var(--space-sm);
  }
  .site-nav.open { right: 0; }
  .site-nav a { font-size: 1.05rem; padding: var(--space-sm) 0; border-bottom: 1px solid var(--color-gray-300); width: 100%; }
  .nav-toggle { display: block; }
  .nav-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 150; display: none; }
  .nav-overlay.open { display: block; }
}

/* Article / Single Post Styles */
.entry-wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
}
.entry-wrap .entry-header { margin-bottom: var(--space-lg); }
.entry-wrap .entry-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700; line-height: 1.35;
  color: var(--color-dark);
  letter-spacing: -0.03em;
}
.entry-meta {
  display: flex; gap: var(--space-sm); align-items: center;
  margin-top: var(--space-sm);
  font-size: 0.85rem; color: var(--color-gray-500);
}
.entry-meta .cat-badge {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 2px 10px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 600;
}
.entry-thumbnail {
  margin: var(--space-lg) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.entry-thumbnail img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* Content Typography */
.entry-content { font-size: 1.05rem; line-height: 1.8; color: var(--color-gray-700); }
.entry-content p { margin-bottom: 1.4em; }
.entry-content h2 {
  font-family: var(--font-heading);
  font-size: 1.45rem; font-weight: 700;
  color: var(--color-dark);
  margin: 2.5em 0 1em;
  padding-bottom: 0.5em;
  border-bottom: 2px solid var(--color-primary-light);
  letter-spacing: -0.02em;
  line-height: 1.4;
}
.entry-content h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem; font-weight: 700;
  color: var(--color-gray-900);
  margin: 2em 0 0.8em;
}
.entry-content ul, .entry-content ol {
  margin: 1.2em 0; padding-left: 1.5em;
}
.entry-content li { margin-bottom: 0.5em; }
.entry-content img {
  border-radius: var(--radius-md);
  margin: 1.5em 0;
  box-shadow: var(--shadow-sm);
}

/* Tables */
.entry-content table {
  width: 100%; border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.92rem;
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.entry-content table thead { background: var(--color-primary); color: #fff; }
.entry-content table th {
  padding: 12px 16px; font-weight: 600;
  text-align: left; font-size: 0.88rem;
}
.entry-content table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-gray-300);
}
.entry-content table tbody tr:last-child td { border-bottom: none; }
.entry-content table tbody tr:nth-child(even) { background: var(--color-gray-100); }

/* Table responsive wrapper */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.5em 0; }
.table-wrap table { margin: 0; }

/* Callout / Blockquote */
.entry-content blockquote,
.entry-content .callout {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md);
  margin: 1.8em 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.98rem;
  color: var(--color-gray-900);
}
.entry-content blockquote p:last-child,
.entry-content .callout p:last-child { margin-bottom: 0; }

.callout-warning {
  background: #fff7ed !important;
  border-left-color: var(--color-warning) !important;
}
.callout-danger {
  background: #fdf2f2 !important;
  border-left-color: var(--color-danger) !important;
}

/* Legal / AI Notices */
.legal-notice, .ai-notice {
  font-size: 0.85em !important;
  color: #777 !important;
}

/* Related Posts */
.related-posts {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-gray-300);
}
.related-posts h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem; margin-bottom: var(--space-md);
  color: var(--color-dark);
}
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-md); }
.related-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.related-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.related-card .card-body { padding: var(--space-sm); }
.related-card .card-title {
  font-size: 0.95rem; font-weight: 600;
  color: var(--color-dark); line-height: 1.4;
}

/* TOC */
.toc-wrap {
  background: #fff;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
}
.toc-wrap .toc-title {
  font-weight: 700; font-size: 1rem;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
  display: flex; align-items: center; gap: 8px;
}
.toc-wrap .toc-title::before {
  content: ''; width: 4px; height: 18px;
  background: var(--color-primary);
  border-radius: 2px;
}
.toc-wrap ol { padding-left: 1.2em; }
.toc-wrap li { margin-bottom: 6px; }
.toc-wrap a { color: var(--color-gray-700); font-size: 0.92rem; }
.toc-wrap a:hover { color: var(--color-primary); }

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-xl) 0 var(--space-lg);
  font-size: 0.88rem;
  line-height: 1.7;
}
.site-footer .container {
  max-width: var(--site-width);
  margin: 0 auto; padding: 0 var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}
.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.1rem; font-weight: 700;
  color: #fff; margin-bottom: var(--space-sm);
}
.footer-desc { color: rgba(255,255,255,0.55); font-size: 0.85rem; }
.footer-heading {
  font-size: 0.9rem; font-weight: 700;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-sm);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 6px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.footer-links a:hover { color: var(--color-primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-md);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-sm);
  font-size: 0.8rem; color: rgba(255,255,255,0.4);
}
.footer-legal {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* WP Core Overrides - hide default theme cruft */
.wp-site-blocks > header, .wp-site-blocks > footer { display: none !important; }
body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)) {
  max-width: var(--content-width); margin-left: auto; margin-right: auto;
}

/* Page template overrides */
.page-template-default .wp-site-blocks { padding: 0; }

/* Breadcrumb */
.breadcrumb {
  font-size: 0.82rem; color: var(--color-gray-500);
  margin-bottom: var(--space-sm);
}
.breadcrumb a { color: var(--color-gray-500); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { margin: 0 6px; }

/* Scroll reveal animation */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Focus ring for a11y */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Button */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600; font-size: 0.95rem;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }

/* Gauge / Chart bars */
.bar-chart { margin: 1.5em 0; }
.bar-item { margin-bottom: 12px; }
.bar-label { font-size: 0.88rem; font-weight: 600; color: var(--color-gray-900); margin-bottom: 4px; }
.bar-track { background: var(--color-gray-300); border-radius: 8px; height: 12px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary)); transition: width 1s ease; }

/* Card generic */
.card {
  background: #fff; border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }