/* =============================================
   Industrial Hose Hub - Glossary Styles
   Hydraulic Pulse Design
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  --crimson: #9b1b30;
  --crimson-dark: #7a1526;
  --crimson-light: #c22a42;
  --steel: #c0c0c0;
  --steel-light: #d9d9d9;
  --steel-dark: #8a8a8a;
  --graphite: #2b2b2b;
  --graphite-deep: #1a1a1a;
  --graphite-light: #3d3d3d;
  --white: #ffffff;
  --off-white: #f5f5f5;
  --text-dark: #1a1a1a;
  --text-body: #333333;
  --text-muted: #666666;
  --font-heading: 'Outfit', 'Noto Sans JP', sans-serif;
  --font-body: 'Noto Sans JP', 'Outfit', sans-serif;
  --header-height: 70px;
  --max-width: 1200px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--text-body); background: var(--off-white); line-height: 1.8; }
a { color: var(--crimson); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--crimson-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: var(--graphite-deep); height: var(--header-height); }
.header-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--white); }
.logo-icon { font-size: 1.5rem; }
.logo-text { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 800; color: var(--white); }
.logo-text span { color: var(--crimson-light); }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu li a { color: var(--steel-light); font-size: 0.85rem; font-weight: 500; padding: 8px 12px; border-radius: 4px; transition: all 0.2s ease; white-space: nowrap; }
.nav-menu li a:hover, .nav-menu li a.active { color: var(--white); background: var(--crimson); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; z-index: 1001; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); transition: all 0.3s ease; }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Glossary Header */
.glossary-page-header {
  margin-top: var(--header-height);
  background: linear-gradient(135deg, var(--graphite-deep), var(--crimson-dark));
  padding: 60px 24px;
  text-align: center;
}
.glossary-page-header h1 { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 900; color: var(--white); margin-bottom: 8px; }
.glossary-page-header p { color: var(--steel); font-size: 0.95rem; }

/* Breadcrumb */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--crimson); font-weight: 500; }
.breadcrumb a:hover { color: var(--crimson-light); }

/* Page Container - 2 Column */
.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 40px;
  display: flex;
  gap: 40px;
}
.main-content { flex: 1; min-width: 0; }
.sidebar { width: 300px; flex-shrink: 0; }

/* Glossary Index - Category Sections */
.glossary-header { margin-bottom: 32px; }
.glossary-header h1 { font-family: var(--font-heading); font-size: 2rem; font-weight: 900; color: var(--text-dark); margin-bottom: 8px; }
.glossary-header p { color: var(--text-muted); font-size: 0.95rem; }

.glossary-category { margin-bottom: 40px; }
.glossary-category h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-dark);
  padding-bottom: 8px;
  border-bottom: 3px solid var(--crimson);
  margin-bottom: 20px;
}

.glossary-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.glossary-item {
  background: var(--white);
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  padding: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.glossary-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(155,27,48,0.12);
}
.glossary-item h3 { margin-bottom: 8px; }
.glossary-item h3 a {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
}
.glossary-item h3 a:hover { color: var(--crimson); }
.glossary-item p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Term List (alternate layout) */
.term-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  list-style: none;
  padding: 0;
}
.term-list li a {
  display: block;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  color: var(--text-dark);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  position: relative;
}
.term-list li a:hover {
  border-color: var(--crimson);
  background: rgba(155,27,48,0.04);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(155,27,48,0.12);
  color: var(--crimson);
}
.term-list li a::after {
  content: "→";
  position: absolute;
  right: 14px;
  color: var(--steel-dark);
  transition: color 0.2s;
}
.term-list li a:hover::after { color: var(--crimson); }

/* Glossary Term Page */
.glossary-term { background: var(--white); padding: 0; }
.term-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--crimson);
  line-height: 1.4;
}
.term-category {
  display: inline-block;
  background: var(--crimson);
  color: var(--white);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.term-body { font-size: 1rem; line-height: 1.9; color: var(--text-body); }
.term-body h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-dark);
  padding-bottom: 8px;
  border-bottom: 3px solid var(--crimson);
  margin: 32px 0 16px;
}
.term-body h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--graphite);
  margin: 24px 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--crimson);
}
.term-body p { margin-bottom: 16px; }
.term-body strong { background: linear-gradient(transparent 60%, rgba(155,27,48,0.15) 60%); padding: 0 2px; }
.term-body ul { background: rgba(155,27,48,0.03); padding: 20px 20px 20px 40px; border-radius: 8px; margin-bottom: 24px; list-style: disc; }
.term-body ol { padding: 20px 20px 20px 40px; margin-bottom: 24px; list-style: decimal; }
.term-body li { margin-bottom: 8px; line-height: 1.7; }

/* Term Keywords */
.term-keywords { margin-top: 32px; }
.term-keywords h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--graphite);
  margin-bottom: 12px;
}
.keywords-list { display: flex; flex-wrap: wrap; gap: 8px; }
.keyword-tag {
  display: inline-block;
  background: rgba(155,27,48,0.08);
  color: var(--crimson);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* External Links */
.external-links {
  margin-top: 32px;
  padding: 20px;
  background: rgba(155,27,48,0.04);
  border: 1px solid rgba(155,27,48,0.15);
  border-radius: 8px;
}
.external-links h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--crimson-dark);
  margin-bottom: 12px;
}
.external-links ul { list-style: none; padding: 0; }
.external-links li { margin-bottom: 8px; padding-bottom: 8px; border-bottom: 1px dashed rgba(155,27,48,0.15); }
.external-links li:last-child { border-bottom: none; padding-bottom: 0; }
.external-links a { color: var(--crimson); font-weight: 500; font-size: 0.9rem; }
.external-links a:hover { color: var(--crimson-light); }

/* Sidebar */
.sidebar-section { margin-bottom: 24px; }
.sidebar .toc, .sidebar .related-terms, .sidebar .sidebar-widget {
  background: var(--white);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border: 1px solid #e5e5e5;
}
.sidebar h3, .toc h3, .related-terms h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--graphite);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--crimson);
}
.glossary-nav { list-style: none; padding: 0; }
.glossary-nav li { margin-bottom: 6px; }
.glossary-nav a {
  display: block;
  color: var(--text-body);
  font-size: 0.85rem;
  padding: 6px 10px;
  border-radius: 4px;
  transition: all 0.2s ease;
}
.glossary-nav a:hover {
  background: rgba(155,27,48,0.06);
  color: var(--crimson);
  padding-left: 14px;
}

/* Ad / Amazon Banner */
.ad-banner, .amazon-banner {
  margin: 24px 0;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--graphite), var(--graphite-light));
  border-radius: 4px;
  text-align: center;
}
.ad-banner a, .amazon-banner a { color: var(--steel-light); font-size: 0.85rem; font-weight: 600; }

/* Footer */
.footer { background: var(--graphite-deep); color: var(--steel); padding: 48px 0 0; }
.footer-content { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-section h3 { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 16px; }
.footer-section p { color: var(--steel-dark); font-size: 0.85rem; }
.footer-section ul li { margin-bottom: 8px; }
.footer-section ul li a { color: var(--steel-dark); font-size: 0.85rem; }
.footer-section ul li a:hover { color: var(--crimson-light); }
.footer-bottom { border-top: 1px solid var(--graphite-light); padding: 20px 24px; max-width: var(--max-width); margin: 0 auto; text-align: center; font-size: 0.8rem; color: var(--steel-dark); }

/* Responsive */
@media (max-width: 768px) {
  :root { --header-height: 60px; }
  .hamburger { display: flex; }
  .nav-menu { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: var(--graphite-deep); flex-direction: column; padding: 80px 24px 24px; gap: 4px; transition: right 0.35s ease; box-shadow: -4px 0 20px rgba(0,0,0,0.4); overflow-y: auto; }
  .nav-menu.active { right: 0; }
  .nav-menu li a { font-size: 0.95rem; padding: 12px 16px; display: block; }
  .glossary-page-header h1 { font-size: 1.6rem; }
  .page-container { flex-direction: column; }
  .sidebar { width: 100%; }
  .glossary-list { grid-template-columns: 1fr; }
  .term-list { grid-template-columns: 1fr; }
  .term-title { font-size: 1.5rem; }
  .footer-content { grid-template-columns: 1fr; }
}