:root {
  --wc-primary: #1a73e8;
  --wc-primary-dark: #1557b0;
  --wc-primary-light: #e8f0fe;
  --wc-accent: #0d47a1;
  --wc-bg: #ffffff;
  --wc-bg-alt: #f8fafb;
  --wc-bg-card: #ffffff;
  --wc-text: #1a1a2e;
  --wc-text-secondary: #5a6577;
  --wc-text-muted: #8b95a5;
  --wc-border: #e2e8f0;
  --wc-border-light: #f0f3f6;
  --wc-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --wc-shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --wc-shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --wc-radius-sm: 8px;
  --wc-radius-md: 12px;
  --wc-radius-lg: 16px;
  --wc-radius-xl: 24px;
  --wc-spacing-xs: 8px;
  --wc-spacing-sm: 16px;
  --wc-spacing-md: 24px;
  --wc-spacing-lg: 40px;
  --wc-spacing-xl: 64px;
  --wc-spacing-2xl: 96px;
  --wc-spacing-3xl: 128px;
  --wc-max-content: 780px;
  --wc-max-wide: 1200px;
  --wc-font-sans: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', sans-serif;
  --wc-font-serif: 'Noto Serif KR', Georgia, 'Times New Roman', serif;
  --wc-transition: 200ms cubic-bezier(0.4,0,0.2,1);
}
@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 { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--wc-font-sans);
  font-size: 17px; line-height: 1.75;
  color: var(--wc-text); background: var(--wc-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--wc-primary); text-decoration: none; transition: color var(--wc-transition); }
a:hover { color: var(--wc-primary-dark); }
a:focus-visible { outline: 2px solid var(--wc-primary); outline-offset: 2px; border-radius: 4px; }

/* WP Override */
.wp-site-blocks { padding: 0 !important; }
.wp-block-post-content, .entry-content { max-width: 100% !important; padding: 0 !important; }
body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)) { max-width: 100% !important; }
.wp-block-template-part, .wp-block-group { padding: 0 !important; margin: 0 !important; }
footer.wp-block-template-part { display: none !important; }
.wp-block-site-title, .wp-block-site-tagline { display: none !important; }
.has-global-padding { padding: 0 !important; }

/* Header */
.wc-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--wc-border-light);
  transition: box-shadow var(--wc-transition);
}
.wc-header.scrolled { box-shadow: var(--wc-shadow-sm); }
.wc-header-inner {
  max-width: var(--wc-max-wide); margin: 0 auto;
  padding: 0 var(--wc-spacing-md);
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.wc-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.wc-logo img { width: 36px; height: 36px; border-radius: 8px; }
.wc-logo-text { font-size: 18px; font-weight: 700; color: var(--wc-text); letter-spacing: -0.02em; }
.wc-nav { display: flex; align-items: center; gap: 4px; }
.wc-nav a {
  padding: 8px 14px; font-size: 15px; font-weight: 500;
  color: var(--wc-text-secondary); border-radius: var(--wc-radius-sm);
  transition: all var(--wc-transition);
}
.wc-nav a:hover { color: var(--wc-primary); background: var(--wc-primary-light); }
.wc-mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.wc-mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--wc-text); margin: 5px 0; transition: all var(--wc-transition); border-radius: 2px; }

/* Hero */
.wc-hero {
  position: relative; min-height: 520px; display: flex; align-items: center;
  background: linear-gradient(135deg, #0d47a1 0%, #1565c0 40%, #1e88e5 100%);
  overflow: hidden;
}
.wc-hero-inner {
  position: relative; z-index: 1;
  max-width: var(--wc-max-wide); margin: 0 auto;
  padding: var(--wc-spacing-3xl) var(--wc-spacing-md);
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--wc-spacing-xl); align-items: center;
}
.wc-hero-content { color: #fff; }
.wc-hero h1 {
  font-size: clamp(32px, 5vw, 52px); font-weight: 800;
  line-height: 1.2; letter-spacing: -0.03em;
  margin-bottom: var(--wc-spacing-md);
}
.wc-hero-desc {
  font-size: 18px; line-height: 1.7; color: rgba(255,255,255,0.85);
  margin-bottom: var(--wc-spacing-lg); max-width: 480px;
}
.wc-hero-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; background: #fff; color: var(--wc-primary-dark);
  font-size: 16px; font-weight: 600; border-radius: 50px;
  transition: all var(--wc-transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.wc-hero-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,0.2); color: var(--wc-accent); }
.wc-hero-image { position: relative; }
.wc-hero-image img {
  width: 100%; border-radius: var(--wc-radius-xl);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  aspect-ratio: 4/3; object-fit: cover;
}

/* Sections */
.wc-section { padding: var(--wc-spacing-2xl) var(--wc-spacing-md); }
.wc-section-alt { background: var(--wc-bg-alt); }
.wc-section-inner { max-width: var(--wc-max-wide); margin: 0 auto; }
.wc-section-header { text-align: center; margin-bottom: var(--wc-spacing-xl); }
.wc-section-label {
  display: inline-block; font-size: 13px; font-weight: 600;
  color: var(--wc-primary); text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: var(--wc-spacing-xs);
}
.wc-section-title {
  font-size: clamp(26px, 3.5vw, 36px); font-weight: 800;
  letter-spacing: -0.02em; color: var(--wc-text); line-height: 1.3;
  margin-bottom: var(--wc-spacing-sm);
}
.wc-section-desc {
  font-size: 17px; color: var(--wc-text-secondary);
  max-width: 600px; margin: 0 auto; line-height: 1.7;
}

/* Cards */
.wc-card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--wc-spacing-md);
}
.wc-card {
  background: var(--wc-bg-card); border-radius: var(--wc-radius-lg);
  overflow: hidden; border: 1px solid var(--wc-border-light);
  transition: all var(--wc-transition); text-decoration: none;
  color: inherit; display: flex; flex-direction: column;
}
.wc-card:hover { transform: translateY(-4px); box-shadow: var(--wc-shadow-lg); border-color: transparent; }
.wc-card-img { aspect-ratio: 16/10; overflow: hidden; position: relative; }
.wc-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.wc-card:hover .wc-card-img img { transform: scale(1.04); }
.wc-card-body { padding: var(--wc-spacing-md); flex: 1; display: flex; flex-direction: column; }
.wc-card-category {
  font-size: 12px; font-weight: 600; color: var(--wc-primary);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px;
}
.wc-card-title {
  font-size: 19px; font-weight: 700; line-height: 1.4;
  color: var(--wc-text); margin-bottom: 10px; letter-spacing: -0.01em;
}
.wc-card-excerpt { font-size: 15px; color: var(--wc-text-secondary); line-height: 1.65; flex: 1; }
.wc-card-footer {
  padding: var(--wc-spacing-sm) var(--wc-spacing-md);
  border-top: 1px solid var(--wc-border-light);
  display: flex; align-items: center; justify-content: space-between;
}
.wc-card-read { font-size: 14px; font-weight: 600; color: var(--wc-primary); display: flex; align-items: center; gap: 4px; }

/* Carousel */
.wc-carousel-wrap { overflow: hidden; position: relative; margin: 0 -16px; padding: 0 16px; }
.wc-carousel {
  display: flex; gap: var(--wc-spacing-md);
  overflow-x: auto; scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
  padding: var(--wc-spacing-xs) 0 var(--wc-spacing-md);
}
.wc-carousel::-webkit-scrollbar { display: none; }
.wc-carousel .wc-card { flex: 0 0 340px; scroll-snap-align: start; }

/* Features */
.wc-features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--wc-spacing-md);
}
.wc-feature {
  text-align: center; padding: var(--wc-spacing-lg) var(--wc-spacing-md);
  border-radius: var(--wc-radius-lg); background: var(--wc-bg-card);
  border: 1px solid var(--wc-border-light); transition: all var(--wc-transition);
}
.wc-feature:hover { border-color: var(--wc-primary); box-shadow: var(--wc-shadow-md); }
.wc-feature-icon {
  width: 56px; height: 56px; background: var(--wc-primary-light);
  border-radius: var(--wc-radius-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--wc-spacing-sm);
}
.wc-feature-icon svg { width: 28px; height: 28px; color: var(--wc-primary); }
.wc-feature h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.01em; }
.wc-feature p { font-size: 15px; color: var(--wc-text-secondary); line-height: 1.65; }

/* Single Post */
.wc-single { padding: var(--wc-spacing-xl) var(--wc-spacing-md); }
.wc-single-inner { max-width: var(--wc-max-content); margin: 0 auto; }
.wc-single h1.entry-title, .wc-single .wp-block-post-title {
  font-size: clamp(28px, 4vw, 40px); font-weight: 800;
  line-height: 1.25; letter-spacing: -0.03em;
  margin-bottom: var(--wc-spacing-md); color: var(--wc-text);
}
.wc-single .entry-content h2, .wc-single .wp-block-post-content h2 {
  font-size: 24px; font-weight: 700; color: var(--wc-text);
  margin: var(--wc-spacing-xl) 0 var(--wc-spacing-sm);
  padding-bottom: 12px; border-bottom: 2px solid var(--wc-primary-light);
  letter-spacing: -0.02em;
}
.wc-single .entry-content h3, .wc-single .wp-block-post-content h3 {
  font-size: 20px; font-weight: 600; color: var(--wc-text);
  margin: var(--wc-spacing-lg) 0 var(--wc-spacing-xs);
}
.wc-single .entry-content p, .wc-single .wp-block-post-content p {
  font-size: 17px; line-height: 1.8; color: var(--wc-text);
  margin-bottom: var(--wc-spacing-sm);
}
.wc-single .entry-content img, .wc-single .wp-block-post-content img {
  border-radius: var(--wc-radius-md); margin: var(--wc-spacing-md) 0;
  box-shadow: var(--wc-shadow-sm);
}
.wc-single .entry-content table, .wc-single .wp-block-post-content table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border-radius: var(--wc-radius-md); overflow: hidden;
  margin: var(--wc-spacing-md) 0; border: 1px solid var(--wc-border);
  font-size: 15px;
}
.wc-single .entry-content table th, .wc-single .wp-block-post-content table th {
  background: var(--wc-primary); color: #fff; font-weight: 600;
  padding: 14px 16px; text-align: left; font-size: 14px;
}
.wc-single .entry-content table td, .wc-single .wp-block-post-content table td {
  padding: 12px 16px; border-bottom: 1px solid var(--wc-border-light);
}
.wc-single .entry-content table tr:nth-child(even), .wc-single .wp-block-post-content table tr:nth-child(even) { background: var(--wc-bg-alt); }
.wc-single .entry-content table tr:last-child td, .wc-single .wp-block-post-content table tr:last-child td { border-bottom: none; }
.wc-single .entry-content ul, .wc-single .entry-content ol,
.wc-single .wp-block-post-content ul, .wc-single .wp-block-post-content ol {
  padding-left: 24px; margin: var(--wc-spacing-sm) 0;
}
.wc-single .entry-content li, .wc-single .wp-block-post-content li { margin-bottom: 8px; line-height: 1.7; font-size: 16px; }
.wc-single .entry-content blockquote, .wc-single .wp-block-post-content blockquote {
  border-left: 4px solid var(--wc-primary); background: var(--wc-primary-light);
  padding: var(--wc-spacing-md); border-radius: 0 var(--wc-radius-md) var(--wc-radius-md) 0;
  margin: var(--wc-spacing-md) 0; font-size: 16px; color: var(--wc-accent);
}
.wc-callout {
  background: #fff8e1; border: 1px solid #ffe082;
  border-radius: var(--wc-radius-md); padding: var(--wc-spacing-sm) var(--wc-spacing-md);
  margin: var(--wc-spacing-md) 0; font-size: 15px; line-height: 1.7;
}
.wc-callout-danger { background: #fef2f2; border-color: #fca5a5; }
.wc-callout strong { color: var(--wc-text); }

/* Bar Chart */
.wc-bar-chart { margin: var(--wc-spacing-md) 0; }
.wc-bar-item { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.wc-bar-label { width: 120px; font-size: 14px; font-weight: 500; color: var(--wc-text-secondary); flex-shrink: 0; }
.wc-bar-track { flex: 1; height: 28px; background: var(--wc-bg-alt); border-radius: 14px; overflow: hidden; }
.wc-bar-fill {
  height: 100%; background: linear-gradient(90deg, var(--wc-primary), #42a5f5);
  border-radius: 14px; display: flex; align-items: center; justify-content: flex-end;
  padding-right: 12px; font-size: 13px; font-weight: 600; color: #fff;
}

/* TOC */
.wc-toc {
  background: var(--wc-bg-alt); border: 1px solid var(--wc-border);
  border-radius: var(--wc-radius-md); padding: var(--wc-spacing-md);
  margin-bottom: var(--wc-spacing-lg);
}
.wc-toc-title { font-size: 16px; font-weight: 700; margin-bottom: 12px; color: var(--wc-text); }
.wc-toc ul { list-style: none; padding: 0; }
.wc-toc li { margin-bottom: 6px; }
.wc-toc a { font-size: 15px; color: var(--wc-text-secondary); }
.wc-toc a:hover { color: var(--wc-primary); }

/* Summary Box */
.wc-summary-box {
  background: var(--wc-primary-light); border-radius: var(--wc-radius-md);
  padding: var(--wc-spacing-md); margin-bottom: var(--wc-spacing-lg);
  border: 1px solid rgba(26,115,232,0.15);
}
.wc-summary-box h3 { font-size: 16px; font-weight: 700; color: var(--wc-primary-dark); margin-bottom: 8px; }
.wc-summary-box p { font-size: 15px; color: var(--wc-text-secondary); line-height: 1.7; margin: 0; }

/* Related */
.wc-related { margin-top: var(--wc-spacing-2xl); }
.wc-related h2 { font-size: 24px; font-weight: 700; margin-bottom: var(--wc-spacing-md); }

/* Footer */
.wc-footer {
  background: #0f1419; color: rgba(255,255,255,0.7);
  padding: var(--wc-spacing-xl) var(--wc-spacing-md) var(--wc-spacing-lg);
}
.wc-footer-inner { max-width: var(--wc-max-wide); margin: 0 auto; }
.wc-footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: var(--wc-spacing-xl); padding-bottom: var(--wc-spacing-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.wc-footer-brand h3 { color: #fff; font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.wc-footer-brand p { font-size: 14px; line-height: 1.7; max-width: 360px; }
.wc-footer-links h4 {
  color: #fff; font-size: 14px; font-weight: 600;
  margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.06em;
}
.wc-footer-links a { display: block; font-size: 14px; color: rgba(255,255,255,0.6); padding: 4px 0; transition: color var(--wc-transition); }
.wc-footer-links a:hover { color: #fff; }
.wc-footer-bottom {
  padding-top: var(--wc-spacing-md); display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: center; gap: 16px;
}
.wc-footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); }
.wc-footer-legal { font-size: 12px; color: rgba(255,255,255,0.35); line-height: 1.7; max-width: 800px; margin-top: 16px; }
.wc-footer-notices { font-size: 12px; color: rgba(255,255,255,0.35); line-height: 1.7; margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.06); }

/* Mobile Nav */
.wc-mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
}
.wc-mobile-menu.active { display: block; }
.wc-mobile-menu-inner {
  position: absolute; right: 0; top: 0; bottom: 0; width: 280px;
  background: #fff; padding: var(--wc-spacing-lg) var(--wc-spacing-md);
  box-shadow: -8px 0 32px rgba(0,0,0,0.1);
}
.wc-mobile-menu a {
  display: block; padding: 12px 0; font-size: 16px; font-weight: 500;
  color: var(--wc-text); border-bottom: 1px solid var(--wc-border-light);
}
.wc-mobile-close { background: none; border: none; font-size: 24px; cursor: pointer; position: absolute; top: 16px; right: 16px; color: var(--wc-text-muted); }

/* Legal */
.ai-notice { font-size: 0.85em !important; color: #888 !important; margin-top: 2em !important; }
.legal-notice {
  font-size: 0.85em !important; color: #777 !important;
  background: #f8f9fa !important; border-left: 3px solid #cbd5e1 !important;
  padding: 10px 14px !important; margin-top: 2em !important;
  border-radius: 0 6px 6px 0 !important;
}

/* Page */
.wc-page { padding: var(--wc-spacing-xl) var(--wc-spacing-md); }
.wc-page-inner { max-width: var(--wc-max-content); margin: 0 auto; }
.wc-page h1 { font-size: clamp(28px, 4vw, 36px); font-weight: 800; margin-bottom: var(--wc-spacing-lg); letter-spacing: -0.02em; }
.wc-page h2 { font-size: 22px; font-weight: 700; margin: var(--wc-spacing-lg) 0 var(--wc-spacing-sm); color: var(--wc-text); }
.wc-page p { font-size: 16px; line-height: 1.8; margin-bottom: var(--wc-spacing-sm); color: var(--wc-text-secondary); }

/* Scroll Animation */
.wc-fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
.wc-fade-up.visible { opacity: 1; transform: translateY(0); }

/* Mobile */
@media (max-width: 768px) {
  .wc-header-inner { height: 56px; }
  .wc-nav { display: none; }
  .wc-mobile-toggle { display: block; }
  .wc-hero-inner { grid-template-columns: 1fr; padding: var(--wc-spacing-xl) var(--wc-spacing-md); }
  .wc-hero-image { display: none; }
  .wc-hero { min-height: 400px; }
  .wc-section { padding: var(--wc-spacing-xl) var(--wc-spacing-sm); }
  .wc-card-grid { grid-template-columns: 1fr; }
  .wc-carousel .wc-card { flex: 0 0 85vw; }
  .wc-footer-top { grid-template-columns: 1fr; gap: var(--wc-spacing-lg); }
  .wc-footer-bottom { flex-direction: column; align-items: flex-start; }
  .wc-single .entry-content table, .wc-single .wp-block-post-content table { display: block; overflow-x: auto; }
  .wc-bar-label { width: 80px; font-size: 12px; }
  .wc-features { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .wc-hero h1 { font-size: 28px; }
  .wc-section-title { font-size: 24px; }
  .wc-card-title { font-size: 17px; }
}