/*
Theme Name: Gimhae Dental
Description: Premium dental information platform theme for gimhaeimplant.stofarm.com
Version: 1.0.0
Text Domain: gimhae-dental
*/

:root {
  --color-primary: #0d5c63;
  --color-primary-dark: #094249;
  --color-primary-light: #e8f4f5;
  --color-accent: #2a9d8f;
  --color-accent-light: #e6f5f3;
  --color-navy: #1a2332;
  --color-navy-light: #2d3a4a;
  --color-text: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafb;
  --color-bg-warm: #fafaf8;
  --color-border: #e5e7eb;
  --color-border-light: #f0f1f3;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;
  --spacing-5xl: 128px;
  --max-content: 780px;
  --max-wide: 1200px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --font-sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-serif: "Noto Serif KR", Georgia, "Times New Roman", serif;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent); }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; border-radius: 2px; }

/* ===== HEADER / NAV ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.1rem; color: var(--color-navy);
}
.site-logo img { width: 36px; height: 36px; border-radius: var(--radius-sm); }
.nav-menu { display: flex; gap: var(--spacing-xl); list-style: none; }
.nav-menu a {
  font-size: 0.9rem; font-weight: 500; color: var(--color-text-secondary);
  padding: 6px 0; position: relative; transition: color var(--transition-fast);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--color-primary); }
.nav-menu a::after {
  content: ""; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--color-accent);
  transition: width var(--transition-base);
}
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 44px; height: 44px; padding: 10px; color: var(--color-text);
}
@media (max-width: 768px) {
  .mobile-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-menu {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--color-bg); flex-direction: column; gap: 0;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px var(--spacing-lg); display: block; }
}

/* ===== ARTICLE SINGLE ===== */
.entry-header {
  max-width: var(--max-content);
  margin: var(--spacing-4xl) auto var(--spacing-2xl);
  padding: 0 var(--spacing-lg);
  text-align: center;
}
.entry-header .category-badge {
  display: inline-block;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.02em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 14px; border-radius: 999px;
  margin-bottom: var(--spacing-md);
}
.entry-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700; line-height: 1.3;
  color: var(--color-navy);
  margin-bottom: var(--spacing-md);
  word-break: keep-all;
}
.entry-meta {
  font-size: 0.85rem; color: var(--color-text-muted);
}
.entry-hero {
  max-width: 960px; margin: 0 auto var(--spacing-3xl);
  padding: 0 var(--spacing-lg);
}
.entry-hero img {
  width: 100%; border-radius: var(--radius-lg);
  aspect-ratio: 16/9; object-fit: cover;
}

/* ===== POST CONTENT ===== */
.entry-content {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--spacing-lg) var(--spacing-4xl);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
  word-break: keep-all;
}
.entry-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem; font-weight: 700;
  color: var(--color-navy);
  margin: var(--spacing-3xl) 0 var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary-light);
  line-height: 1.4;
}
.entry-content h3 {
  font-size: 1.2rem; font-weight: 600;
  color: var(--color-primary-dark);
  margin: var(--spacing-2xl) 0 var(--spacing-md);
}
.entry-content p {
  margin-bottom: var(--spacing-lg);
}
.entry-content ul, .entry-content ol {
  margin: var(--spacing-md) 0 var(--spacing-lg);
  padding-left: var(--spacing-xl);
}
.entry-content li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}
.entry-content img {
  border-radius: var(--radius-md);
  margin: var(--spacing-xl) 0;
}
.entry-content blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-accent-light);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1rem;
  color: var(--color-primary-dark);
}
.entry-content blockquote p { margin-bottom: 0; }

/* Tables */
.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-xl) 0;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.entry-content thead th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  font-size: 0.9rem;
}
.entry-content tbody td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--color-border-light);
}
.entry-content tbody tr:nth-child(even) { background: var(--color-bg-alt); }
.entry-content tbody tr:hover { background: var(--color-primary-light); }

/* Callout box */
.callout-box {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
  border: 1px solid rgba(42,157,143,0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}
.callout-box strong { color: var(--color-primary-dark); }

/* Info card */
.info-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow-sm);
}
.info-card h4 {
  font-size: 1rem; font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

/* Bar chart */
.bar-chart { margin: var(--spacing-xl) 0; }
.bar-item {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px; font-size: 0.9rem;
}
.bar-label { min-width: 80px; font-weight: 500; color: var(--color-text-secondary); text-align: right; }
.bar-track {
  flex: 1; height: 28px; background: var(--color-bg-alt);
  border-radius: 6px; overflow: hidden; position: relative;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 6px;
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 10px;
  font-size: 0.8rem; font-weight: 600; color: #fff;
  transition: width 0.8s ease;
}

/* Timeline */
.timeline { margin: var(--spacing-xl) 0; padding-left: 28px; border-left: 3px solid var(--color-primary-light); }
.timeline-step {
  position: relative; padding: 0 0 var(--spacing-xl) var(--spacing-lg);
}
.timeline-step::before {
  content: ""; position: absolute; left: -34px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--color-accent); border: 3px solid var(--color-primary-light);
}
.timeline-step h4 { font-size: 1rem; font-weight: 600; color: var(--color-primary-dark); margin-bottom: 4px; }
.timeline-step p { font-size: 0.9rem; color: var(--color-text-secondary); margin: 0; }

/* Checklist */
.checklist { list-style: none; padding: 0; margin: var(--spacing-xl) 0; }
.checklist li {
  padding: 10px 0 10px 32px;
  position: relative; border-bottom: 1px solid var(--color-border-light);
}
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 10px;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-accent-light); color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700;
}

/* Legal / AI notice */
.legal-notice {
  font-size: 0.85em; color: #777;
  background: #f8f9fa;
  border-left: 3px solid #cbd5e1;
  padding: 10px 14px;
  margin-top: 2em;
  border-radius: 0 6px 6px 0;
}
.legal-notice p { margin: 4px 0; }
.ai-notice {
  font-size: 0.85em; color: #888;
  margin-top: 2em;
}

/* Responsive table wrapper */
.table-wrap { overflow-x: auto; margin: var(--spacing-xl) 0; -webkit-overflow-scrolling: touch; }
.table-wrap table { margin: 0; min-width: 480px; }

@media (max-width: 640px) {
  .entry-content { font-size: 1rem; }
  .entry-content h2 { font-size: 1.3rem; }
  .entry-title { font-size: 1.6rem; }
  .entry-header { margin: var(--spacing-2xl) auto var(--spacing-lg); }
  .bar-label { min-width: 60px; font-size: 0.8rem; }
}

/* ===== RELATED POSTS ===== */
.related-posts {
  max-width: var(--max-content);
  margin: 0 auto var(--spacing-4xl);
  padding: var(--spacing-2xl) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}
.related-posts h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem; font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--spacing-lg);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}
.related-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.related-card img { aspect-ratio: 16/10; object-fit: cover; }
.related-card .card-body { padding: var(--spacing-md); }
.related-card .card-title {
  font-size: 0.95rem; font-weight: 600; color: var(--color-navy);
  line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.7);
  padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-xl);
}
.footer-inner {
  max-width: var(--max-wide);
  margin: 0 auto;
}
.footer-brand {
  font-size: 1.1rem; font-weight: 700; color: #fff;
  margin-bottom: var(--spacing-sm);
}
.footer-desc {
  font-size: 0.85rem; color: rgba(255,255,255,0.5);
  margin-bottom: var(--spacing-xl);
  max-width: 400px;
}
.footer-links {
  display: flex; flex-wrap: wrap; gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-links a {
  font-size: 0.85rem; color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-accent); }
.footer-legal {
  font-size: 0.78rem; color: rgba(255,255,255,0.35);
  line-height: 1.7;
}
.footer-legal p { margin-bottom: var(--spacing-sm); }

/* ===== TOC (Table of Contents) ===== */
.toc-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}
.toc-box h4 {
  font-size: 0.9rem; font-weight: 700; color: var(--color-navy);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.toc-box ol { padding-left: 20px; margin: 0; }
.toc-box li { margin-bottom: 6px; }
.toc-box a {
  font-size: 0.9rem; color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}
.toc-box a:hover { color: var(--color-primary); }

/* ===== SUMMARY BOX ===== */
.summary-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}
.summary-box strong { color: #fff; }
.summary-box ul { padding-left: 20px; margin: var(--spacing-sm) 0 0; }
.summary-box li { margin-bottom: 4px; opacity: 0.95; }