/* ============================================================================
   Rouille.me Design System CSS
   ============================================================================ */

/* CSS Variables & Theme */
:root {
  --primary: #1B2A4A;
  --secondary: #2C5282;
  --accent: #C0392B;
  --accent-light: #E74C3C;
  --bg: #F2F4F7;
  --bg-light: #FFFFFF;
  --text-primary: #2C3E50;
  --text-secondary: #7F8C8D;
  --border: #BDC3C7;
  --border-light: #ECF0F1;
  --shadow-light: rgba(0, 0, 0, 0.05);
  --shadow-med: rgba(0, 0, 0, 0.1);
  --shadow-dark: rgba(0, 0, 0, 0.15);
  --radius: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Monaco", "Courier New", monospace;
  --transition: all 0.2s ease-in-out;
  --header-height: 64px;
  --footer-height: 200px;
}

/* ============================================================================
   Reset & Base Styles
   ============================================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

/* ============================================================================
   Site Header
   ============================================================================ */

.site-header {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-light);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px var(--shadow-light);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
}

.site-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.site-logo span {
  color: var(--accent);
}

/* ============================================================================
   Navigation
   ============================================================================ */

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-item > a {
  display: block;
  padding: var(--spacing-md) 0;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-item > a:hover,
.nav-item > a.active {
  color: var(--accent);
}

.nav-item > a.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--accent);
}

/* Dropdown Navigation */
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  min-width: 200px;
  box-shadow: 0 4px 12px var(--shadow-dark);
  margin-top: var(--spacing-xs);
  list-style: none;
  z-index: 200;
}

.nav-item:hover .nav-dropdown {
  display: block;
}

.nav-dropdown a {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  font-weight: 400;
  font-size: 13px;
  text-transform: none;
  letter-spacing: normal;
}

.nav-dropdown a:hover {
  background-color: var(--bg);
  color: var(--accent);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  padding: var(--spacing-md);
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--primary);
  margin: 4px 0;
  transition: var(--transition);
}

/* ============================================================================
   Breadcrumb
   ============================================================================ */

.breadcrumb {
  background-color: var(--bg-light);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.bc-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.bc-item a {
  color: var(--secondary);
}

.bc-item a:hover {
  color: var(--accent);
}

.bc-item.active {
  color: var(--text-secondary);
}

.bc-sep {
  color: var(--border);
  margin: 0 var(--spacing-xs);
}

/* ============================================================================
   Main Content Container
   ============================================================================ */

.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xxl) var(--spacing-lg);
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
}

.page-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.page-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xxl);
  line-height: 1.6;
}

.section-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ============================================================================
   Cards Grid & Components
   ============================================================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
}

.cards-grid--all {
  grid-template-columns: repeat(3, 1fr);
}

.card-category {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-secondary);
  background: var(--bg);
  border-bottom: 1px solid var(--border-light);
}

.card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  box-shadow: 0 8px 16px var(--shadow-med);
  transform: translateY(-4px);
  border-color: var(--accent);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--bg);
}

.card-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--bg) 0%, var(--border-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.card-body {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  flex: 1;
  line-height: 1.5;
}

.card-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
}

.card-btn {
  background-color: var(--secondary);
  color: var(--bg-light);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  align-self: flex-start;
  margin-top: auto;
}

.card-btn:hover {
  background-color: var(--accent);
}

/* ============================================================================
   Document List
   ============================================================================ */

.doc-list {
  list-style: none;
  margin-bottom: var(--spacing-xxl);
}

.doc-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.doc-item:hover {
  background-color: var(--bg);
}

.doc-item:last-child {
  border-bottom: none;
}

.doc-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg);
  border-radius: var(--radius);
  margin-right: var(--spacing-lg);
  font-size: 24px;
  flex-shrink: 0;
}

.doc-content {
  flex: 1;
}

.doc-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.doc-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.doc-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: var(--spacing-lg);
  text-align: right;
  flex-shrink: 0;
}

/* ============================================================================
   Microfiches Grid
   ============================================================================ */

.microfiches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
}

.microfiche-item {
  background-color: var(--bg-light);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-sm);
  transition: var(--transition);
  cursor: pointer;
}

.microfiche-item:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--shadow-med);
  transform: scale(1.05);
}

.microfiche-image {
  width: 100%;
  height: 120px;
  object-fit: contain;
  background: #fff;
  margin-bottom: 0;
}

.microfiche-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
}

/* Lightbox microfiches */
#microfiche-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#microfiche-lightbox[hidden] { display: none; }

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
}

.lightbox-content {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 16px;
  cursor: pointer;
  line-height: 32px;
  text-align: center;
}

.lightbox-close:hover { opacity: 0.85; }

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
}

.lightbox-label {
  font-weight: 600;
  color: var(--primary);
  font-size: 14px;
  margin: 0;
}

/* ============================================================================
   Article & Content
   ============================================================================ */

.article-wrap {
  background-color: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xxl);
  margin-bottom: var(--spacing-xxl);
}

.article-header {
  margin-bottom: var(--spacing-xxl);
}

.article-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.article-meta {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-content h1,
.article-content h2,
.article-content h3 {
  color: var(--primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.article-content h1 { font-size: 28px; }
.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }

.article-content p {
  margin-bottom: var(--spacing-md);
}

.article-content ul,
.article-content ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.article-content li {
  margin-bottom: var(--spacing-sm);
}

.article-content code {
  font-family: var(--font-mono);
  background-color: var(--bg);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 13px;
}

.article-content pre {
  background-color: var(--primary);
  color: #FFFFFF;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
}

.article-content blockquote {
  border-left: 4px solid var(--accent);
  padding-left: var(--spacing-lg);
  margin-left: 0;
  margin: var(--spacing-lg) 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xxl);
  border-top: 1px solid var(--border-light);
}

.article-nav-item {
  flex: 1;
  padding: var(--spacing-lg);
  background-color: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.article-nav-item:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px var(--shadow-light);
}

.article-nav-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

.article-nav-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
}

.article-nav-item:hover .article-nav-title {
  color: var(--accent);
}

/* ============================================================================
   Footer
   ============================================================================ */

.site-footer {
  background-color: var(--primary);
  color: #FFFFFF;
  padding: var(--spacing-xxl) var(--spacing-lg);
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xxl);
  margin-bottom: var(--spacing-xxl);
}

.footer-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--accent);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: #FFFFFF;
  font-size: 14px;
}

.footer-section a:hover {
  color: var(--accent);
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  font-size: 13px;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.7);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-size: 16px;
}

.footer-social a:hover {
  background-color: var(--accent);
}

/* ============================================================================
   Forms
   ============================================================================ */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--primary);
  font-size: 14px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-primary);
  background-color: var(--bg-light);
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-btn {
  background-color: var(--secondary);
  color: var(--bg-light);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
}

.form-btn:hover {
  background-color: var(--accent);
}

.form-btn:active {
  transform: scale(0.98);
}

/* ============================================================================
   Responsive Media Queries
   ============================================================================ */

/* Tablets (768px and below) */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-xxl: 32px;
  }

  .page-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 24px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 4px 12px var(--shadow-dark);
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .nav-item {
    width: 100%;
  }

  .nav-item > a {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
  }

  .nav-item:last-child > a {
    border-bottom: none;
  }

  .nav-item .nav-dropdown {
    display: none;
    position: static;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background-color: var(--bg);
    margin-top: 0;
  }

  .nav-item.open .nav-dropdown {
    display: block;
  }

  .nav-dropdown a {
    padding-left: calc(var(--spacing-lg) * 2);
  }

  .nav-toggle {
    display: flex;
  }

  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
  }

  .cards-grid--all {
    grid-template-columns: 1fr;
  }

  .microfiches-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .article-wrap {
    padding: var(--spacing-lg);
  }

  .article-title {
    font-size: 28px;
  }

  .article-nav {
    flex-direction: column;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
  :root {
    font-size: 14px;
    --spacing-md: 12px;
    --spacing-lg: 14px;
    --spacing-xl: 18px;
    --spacing-xxl: 24px;
  }

  .header-inner {
    padding: 0 var(--spacing-md);
  }

  .site-logo {
    font-size: 20px;
  }

  .page-title {
    font-size: 24px;
  }

  .page-subtitle {
    font-size: 14px;
  }

  .section-title {
    font-size: 18px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .card-img {
    height: 150px;
  }

  .card-placeholder {
    height: 150px;
  }

  .microfiches-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .microfiche-item {
    padding: var(--spacing-sm);
  }

  .article-wrap {
    padding: var(--spacing-md);
    border-radius: 0;
    margin-bottom: var(--spacing-lg);
  }

  .article-title {
    font-size: 20px;
  }

  .article-content {
    font-size: 14px;
  }

  .article-nav-item {
    padding: var(--spacing-md);
  }

  .site-main {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .breadcrumb-inner {
    padding: 0 var(--spacing-md);
  }

  .footer-inner {
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }

  .site-footer {
    padding: var(--spacing-lg) var(--spacing-md);
  }
}

/* ============================================================================
   Utility Classes
   ============================================================================ */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.text-muted {
  color: var(--text-secondary);
}

.text-accent {
  color: var(--accent);
}

.hidden {
  display: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* End of rouille.css */