:root {
  --ig-primary: #1a5276;
  --ig-primary-light: #2980b9;
  --ig-primary-dark: #0e2f44;
  --ig-accent: #2e86c1;
  --ig-accent-hover: #1a6da3;
  --ig-bg: #ffffff;
  --ig-bg-soft: #f8fafb;
  --ig-bg-muted: #f0f4f7;
  --ig-text: #1e293b;
  --ig-text-secondary: #475569;
  --ig-text-muted: #94a3b8;
  --ig-border: #e2e8f0;
  --ig-border-light: #f1f5f9;
  --ig-radius-sm: 6px;
  --ig-radius: 10px;
  --ig-radius-lg: 16px;
  --ig-radius-xl: 24px;
  --ig-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --ig-shadow: 0 4px 16px rgba(0,0,0,0.08);
  --ig-shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --ig-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --ig-max-w: 1200px;
  --ig-content-w: 780px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body, body.ig-site {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--ig-text);
  background: var(--ig-bg);
  line-height: 1.7;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ig-accent); text-decoration: none; transition: color var(--ig-transition); }
a:hover { color: var(--ig-accent-hover); }

.ig-container { width: 100%; max-width: var(--ig-max-w); margin: 0 auto; padding: 0 24px; }

/* HEADER */
.ig-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ig-border-light);
  transition: box-shadow var(--ig-transition);
}
.ig-header.scrolled { box-shadow: var(--ig-shadow-sm); }
.ig-header-inner {
  max-width: var(--ig-max-w); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.ig-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: "Noto Serif KR", serif;
  font-size: 1.1rem; font-weight: 700; color: var(--ig-primary-dark); letter-spacing: -0.02em;
}
.ig-logo img { width: 36px; height: 36px; border-radius: var(--ig-radius-sm); }
.ig-nav { display: flex; align-items: center; gap: 4px; }
.ig-nav a {
  padding: 8px 14px; font-size: 0.88rem; font-weight: 500;
  color: var(--ig-text-secondary); border-radius: var(--ig-radius-sm);
  transition: all var(--ig-transition);
}
.ig-nav a:hover { color: var(--ig-primary); background: var(--ig-bg-muted); }
.ig-mobile-toggle {
  display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--ig-text);
}
.ig-mobile-toggle svg { width: 24px; height: 24px; }
.ig-mobile-nav {
  display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.98); backdrop-filter: blur(16px);
  z-index: 999; padding: 24px; overflow-y: auto;
}
.ig-mobile-nav.open { display: block; }
.ig-mobile-nav a {
  display: block; padding: 14px 16px; font-size: 1rem; color: var(--ig-text);
  border-bottom: 1px solid var(--ig-border-light);
}

/* HERO */
.ig-hero {
  position: relative; min-height: 520px; display: flex; align-items: center; overflow: hidden;
  background: linear-gradient(135deg, var(--ig-primary-dark) 0%, var(--ig-primary) 50%, var(--ig-primary-light) 100%);
}
.ig-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.18; }
.ig-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(14,47,68,0.88) 0%, rgba(26,82,118,0.72) 100%); }
.ig-hero-content {
  position: relative; z-index: 2; max-width: var(--ig-max-w);
  margin: 0 auto; padding: 128px 24px; color: #fff;
}
.ig-hero-badge {
  display: inline-block; padding: 6px 16px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18);
  border-radius: 100px; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.04em;
  margin-bottom: 24px; backdrop-filter: blur(8px);
}
.ig-hero h1 {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; line-height: 1.3;
  letter-spacing: -0.025em; margin-bottom: 16px;
}
.ig-hero-desc { font-size: 1.05rem; line-height: 1.7; opacity: 0.9; max-width: 560px; margin-bottom: 40px; }
.ig-hero-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; background: #fff; color: var(--ig-primary-dark);
  font-size: 1rem; font-weight: 600; border-radius: var(--ig-radius);
  transition: all var(--ig-transition); box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.ig-hero-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); color: var(--ig-primary); }
.ig-hero-cta svg { width: 18px; height: 18px; }

/* SECTIONS */
.ig-section { padding: 96px 0; }
.ig-section--alt { background: var(--ig-bg-soft); }
.ig-section-header { text-align: center; margin-bottom: 64px; }
.ig-section-header h2 {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700;
  color: var(--ig-primary-dark); margin-bottom: 8px; letter-spacing: -0.02em;
}
.ig-section-header p { font-size: 1rem; color: var(--ig-text-secondary); max-width: 540px; margin: 0 auto; }
.ig-section-line { width: 48px; height: 3px; background: var(--ig-accent); border-radius: 2px; margin: 16px auto 0; }

/* CARDS */
.ig-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.ig-card {
  background: var(--ig-bg); border-radius: var(--ig-radius-lg); overflow: hidden;
  border: 1px solid var(--ig-border); transition: all var(--ig-transition);
}
.ig-card:hover { box-shadow: var(--ig-shadow-lg); transform: translateY(-4px); border-color: transparent; }
.ig-card-img { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--ig-bg-muted); }
.ig-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.ig-card:hover .ig-card-img img { transform: scale(1.04); }
.ig-card-body { padding: 24px; }
.ig-card-cat {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  color: var(--ig-accent); letter-spacing: 0.05em; margin-bottom: 8px;
}
.ig-card-title { font-size: 1.05rem; font-weight: 700; color: var(--ig-text); line-height: 1.4; margin-bottom: 8px; }
.ig-card-excerpt {
  font-size: 0.88rem; color: var(--ig-text-secondary); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.ig-card-link {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 16px; font-size: 0.85rem; font-weight: 600; color: var(--ig-accent);
}
.ig-card-link svg { width: 16px; height: 16px; transition: transform var(--ig-transition); }
.ig-card:hover .ig-card-link svg { transform: translateX(4px); }

/* CAROUSEL */
.ig-carousel-track {
  display: flex; gap: 24px; overflow-x: auto;
  scroll-snap-type: x mandatory; scrollbar-width: none; -ms-overflow-style: none; padding-bottom: 16px;
}
.ig-carousel-track::-webkit-scrollbar { display: none; }
.ig-carousel-track .ig-card { min-width: 340px; max-width: 380px; scroll-snap-align: start; flex-shrink: 0; }

/* FEATURES */
.ig-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.ig-feature {
  text-align: center; padding: 40px; border-radius: var(--ig-radius-lg);
  background: var(--ig-bg-soft); border: 1px solid var(--ig-border-light); transition: all var(--ig-transition);
}
.ig-feature:hover { box-shadow: var(--ig-shadow); }
.ig-feature-icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--ig-primary), var(--ig-accent));
  border-radius: var(--ig-radius); color: #fff;
}
.ig-feature-icon svg { width: 28px; height: 28px; }
.ig-feature h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--ig-primary-dark); }
.ig-feature p { font-size: 0.9rem; color: var(--ig-text-secondary); line-height: 1.6; }

/* HOSPITAL SEARCH */
.ig-search-section {
  background: var(--ig-bg-soft); border-radius: var(--ig-radius-xl);
  padding: 64px; border: 1px solid var(--ig-border);
}
.ig-search-form { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 16px; align-items: end; }
.ig-form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--ig-text-secondary); margin-bottom: 6px; }
.ig-form-group select, .ig-form-group input {
  width: 100%; padding: 10px 14px; border: 1px solid var(--ig-border);
  border-radius: var(--ig-radius-sm); font-size: 0.95rem; font-family: inherit;
  background: #fff; color: var(--ig-text); transition: border-color var(--ig-transition); appearance: none;
}
.ig-form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px;
}
.ig-form-group select:focus, .ig-form-group input:focus {
  outline: none; border-color: var(--ig-accent); box-shadow: 0 0 0 3px rgba(46,134,193,0.1);
}
.ig-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 24px; background: var(--ig-primary); color: #fff;
  font-size: 0.95rem; font-weight: 600; font-family: inherit;
  border: none; border-radius: var(--ig-radius-sm); cursor: pointer;
  transition: all var(--ig-transition); white-space: nowrap;
}
.ig-btn:hover { background: var(--ig-primary-dark); color: #fff; }
.ig-btn svg { width: 18px; height: 18px; }
.ig-results-table {
  width: 100%; margin-top: 24px; border-collapse: separate; border-spacing: 0;
  border-radius: var(--ig-radius); overflow: hidden; border: 1px solid var(--ig-border);
}
.ig-results-table th {
  background: var(--ig-primary-dark); color: #fff; padding: 12px 16px;
  font-size: 0.8rem; font-weight: 600; text-align: left;
}
.ig-results-table td { padding: 12px 16px; font-size: 0.9rem; border-bottom: 1px solid var(--ig-border-light); }
.ig-results-table tr:nth-child(even) td { background: var(--ig-bg-soft); }
.ig-results-table tr:hover td { background: rgba(46,134,193,0.05); }
.ig-results-empty { text-align: center; padding: 40px; color: var(--ig-text-muted); font-size: 0.95rem; }
.ig-results-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 24px; }
.ig-results-pagination button {
  padding: 8px 16px; border: 1px solid var(--ig-border); border-radius: var(--ig-radius-sm);
  background: #fff; font-family: inherit; font-size: 0.85rem; cursor: pointer;
  transition: all var(--ig-transition);
}
.ig-results-pagination button:hover, .ig-results-pagination button.active {
  background: var(--ig-primary); color: #fff; border-color: var(--ig-primary);
}

/* FOOTER */
.ig-footer { background: var(--ig-primary-dark); color: rgba(255,255,255,0.7); padding: 64px 0 24px; }
.ig-footer-inner { max-width: var(--ig-max-w); margin: 0 auto; padding: 0 24px; }
.ig-footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.ig-footer-brand { font-family: "Noto Serif KR", serif; font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.ig-footer-desc { font-size: 0.85rem; line-height: 1.7; max-width: 360px; }
.ig-footer h4 { font-size: 0.85rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
.ig-footer-links { list-style: none; }
.ig-footer-links li { margin-bottom: 8px; }
.ig-footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.6); transition: color var(--ig-transition); }
.ig-footer-links a:hover { color: #fff; }
.ig-footer-bottom {
  padding-top: 24px; display: flex; justify-content: space-between;
  align-items: flex-start; flex-wrap: wrap; gap: 16px;
}
.ig-footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.ig-footer-legal { font-size: 0.75rem; color: rgba(255,255,255,0.35); max-width: 800px; line-height: 1.6; margin-top: 16px; }
.ig-footer-ai-notice { font-size: 0.75rem; color: rgba(255,255,255,0.35); margin-top: 8px; }

/* SINGLE POST */
.ig-single { max-width: var(--ig-content-w); margin: 0 auto; padding: 64px 24px 128px; }
.ig-single-hero { position: relative; aspect-ratio: 16/9; border-radius: var(--ig-radius-lg); overflow: hidden; margin-bottom: 40px; }
.ig-single-hero img { width: 100%; height: 100%; object-fit: cover; }
.ig-single h1 {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700;
  color: var(--ig-primary-dark); line-height: 1.35; margin-bottom: 24px; letter-spacing: -0.02em;
}
.ig-single-meta {
  display: flex; align-items: center; gap: 16px; font-size: 0.85rem; color: var(--ig-text-muted);
  margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--ig-border-light);
}
.ig-single-content h2 {
  font-family: "Noto Serif KR", serif;
  font-size: 1.35rem; font-weight: 700; color: var(--ig-primary-dark);
  margin: 40px 0 16px; padding-left: 16px; border-left: 3px solid var(--ig-accent); line-height: 1.4;
}
.ig-single-content h3 { font-size: 1.1rem; font-weight: 700; color: var(--ig-text); margin: 24px 0 8px; }
.ig-single-content p { font-size: 1rem; line-height: 1.8; color: var(--ig-text); margin-bottom: 16px; }
.ig-single-content img { border-radius: var(--ig-radius); margin: 24px 0; box-shadow: var(--ig-shadow-sm); }
.ig-single-content ul, .ig-single-content ol { padding-left: 1.5em; margin-bottom: 16px; }
.ig-single-content li { font-size: 0.95rem; line-height: 1.8; margin-bottom: 6px; }
.ig-single-content table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border-radius: var(--ig-radius); overflow: hidden; border: 1px solid var(--ig-border);
  margin: 24px 0; font-size: 0.9rem;
}
.ig-single-content th {
  background: var(--ig-primary-dark); color: #fff; padding: 12px 14px; font-weight: 600; text-align: left;
}
.ig-single-content td { padding: 10px 14px; border-bottom: 1px solid var(--ig-border-light); }
.ig-single-content tr:nth-child(even) td { background: var(--ig-bg-soft); }
.ig-single-content blockquote {
  background: var(--ig-bg-soft); border-left: 4px solid var(--ig-accent);
  padding: 16px 24px; margin: 24px 0; border-radius: 0 var(--ig-radius-sm) var(--ig-radius-sm) 0;
  font-size: 0.95rem; color: var(--ig-text-secondary); line-height: 1.7;
}
.ig-single-content .wp-block-table { overflow-x: auto; }

/* RELATED POSTS */
.ig-related { max-width: var(--ig-content-w); margin: 0 auto; padding: 0 24px 96px; }
.ig-related h2 { font-family: "Noto Serif KR", serif; font-size: 1.3rem; font-weight: 700; color: var(--ig-primary-dark); margin-bottom: 24px; }
.ig-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.ig-related-card { background: var(--ig-bg); border: 1px solid var(--ig-border); border-radius: var(--ig-radius); overflow: hidden; transition: all var(--ig-transition); }
.ig-related-card:hover { box-shadow: var(--ig-shadow); transform: translateY(-2px); }
.ig-related-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.ig-related-card-body { padding: 16px; }
.ig-related-card-title { font-size: 0.9rem; font-weight: 600; color: var(--ig-text); line-height: 1.4; }

/* PAGE */
.ig-page { max-width: var(--ig-content-w); margin: 0 auto; padding: 64px 24px 128px; }
.ig-page h1 { font-family: "Noto Serif KR", serif; font-size: 1.8rem; font-weight: 700; color: var(--ig-primary-dark); margin-bottom: 40px; }
.ig-page-content { font-size: 0.95rem; line-height: 1.8; }
.ig-page-content h2 { font-size: 1.2rem; font-weight: 700; color: var(--ig-primary-dark); margin: 40px 0 16px; }
.ig-page-content p { margin-bottom: 16px; }

/* TOC */
.ig-toc {
  background: var(--ig-bg-soft); border: 1px solid var(--ig-border);
  border-radius: var(--ig-radius); padding: 24px; margin-bottom: 40px;
}
.ig-toc-title { font-size: 0.85rem; font-weight: 700; color: var(--ig-primary-dark); margin-bottom: 8px; }
.ig-toc ol { padding-left: 1.2em; counter-reset: toc; list-style: none; }
.ig-toc li { counter-increment: toc; margin-bottom: 6px; }
.ig-toc li::before { content: counter(toc) ". "; color: var(--ig-accent); font-weight: 600; font-size: 0.85rem; }
.ig-toc a { font-size: 0.9rem; color: var(--ig-text-secondary); }
.ig-toc a:hover { color: var(--ig-primary); }

/* ANIMATIONS */
.ig-fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.ig-fade-up.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .ig-fade-up { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .ig-nav { display: none; }
  .ig-mobile-toggle { display: block; }
  .ig-hero { min-height: 420px; }
  .ig-hero-content { padding: 96px 24px; }
  .ig-hero h1 { font-size: 1.6rem; }
  .ig-hero-desc { font-size: 0.95rem; }
  .ig-grid { grid-template-columns: 1fr; }
  .ig-carousel-track .ig-card { min-width: 300px; }
  .ig-search-form { grid-template-columns: 1fr; }
  .ig-footer-top { grid-template-columns: 1fr; gap: 24px; }
  .ig-section { padding: 64px 0; }
  .ig-search-section { padding: 24px; border-radius: var(--ig-radius); }
  .ig-single { padding: 24px 16px 96px; }
  .ig-single h1 { font-size: 1.4rem; }
  .ig-results-table { font-size: 0.8rem; display: block; overflow-x: auto; }
  .ig-footer-bottom { flex-direction: column; align-items: flex-start; }
  .ig-features { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .ig-header-inner { height: 56px; }
  .ig-logo { font-size: 1rem; }
  .ig-logo img { width: 32px; height: 32px; }
  .ig-card-body { padding: 16px; }
  .ig-carousel-track .ig-card { min-width: 280px; }
}