/* ============================================================
   P2 — FÉDÉRATION ÉDITORIALE
   Design System: cadre partagé + registres éditoriaux distincts
   ============================================================ */

/* === DESIGN TOKENS === */
:root {
  /* Palette partagée — McKinsey exact depth */
  --navy: #051C2C;
  --navy-light: #0F1D32;
  --blue-fpsq: #2C5F8A;
  --blue-fpsq-light: #3A7AB5;
  --red-analytical: #C0392B;
  --gold-caps: #D4A017;
  --gold-caps-light: #E8BD3A;
  --ivory: #F8F7F4;
  --ivory-deep: #F0EDE8;
  --anthracite: #333333;
  --anthracite-light: #4A4A4A;
  --deep-blue: #042A76;
  --electric-blue: #2251FF;
  --vert-dev: #2E7D32;
  --vert-dev-light: #43A047;

  /* Vigie (autonome) */
  --vigie-bg: #0D1117;
  --vigie-surface: #161B22;
  --vigie-border: #30363D;
  --vigie-green: #00D4AA;
  --vigie-red: #FF6B6B;
  --vigie-blue: #58A6FF;
  --vigie-amber: #D4A017;
  --vigie-text: #C9D1D9;
  --vigie-text-muted: #8B949E;

  /* Neutrals */
  --gray-100: #F5F5F5;
  --gray-200: #E8E8E8;
  --gray-300: #D0D0D0;
  --gray-400: #A0A0A0;
  --gray-500: #707070;
  --gray-600: #505050;
  --white: #FFFFFF;

  /* Typography */
  --font-title: 'Inter', -apple-system, sans-serif;
  --font-body: 'Source Serif 4', 'Georgia', serif;
  --font-citation: 'Playfair Display', serif;
  --font-data: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --max-width: 1100px;
  --nav-height: 72px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* === RESET & BASE === */
*, *::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-title);
  font-weight: 300;
  color: var(--anthracite);
  line-height: 1.7;
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--blue-fpsq); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--navy); }

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

/* === NAVIGATION — Mazzucato Dropdown (PARTAGÉE) === */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(5,28,44,0.06);
  border-bottom: none;
  z-index: 1000;
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
}

/* Logo two-line */
.wordmark {
  font-family: var(--font-title);
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  font-size: 16px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
}
.wordmark .first-name {
  color: var(--navy);
  transition: color 0.3s;
}
.wordmark .last-name {
  color: var(--blue-fpsq);
  font-weight: 700;
  transition: color 0.3s;
}

/* Nav items container */
.nav-links {
  display: flex;
  gap: 0;
  align-items: center;
}

/* Nav item with dropdown */
.nav-item {
  position: relative;
  cursor: pointer;
  padding: 0 16px;
  height: 72px;
  display: flex;
  align-items: center;
}

.nav-item > a {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 300;
  color: var(--navy);
  letter-spacing: 0.3px;
  transition: color 0.3s;
}

/* Active page indicator */
.nav-item.active > a { color: var(--blue-fpsq); }
.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 16px; right: 16px;
  height: 2px;
  background: var(--blue-fpsq);
}

/* Chevron */
.nav-item > a::after {
  content: '';
  display: inline-block;
  width: 5px; height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 5px;
  margin-bottom: 3px;
  transition: transform 0.25s;
}
.nav-item:hover > a::after {
  transform: rotate(-135deg);
  margin-bottom: -1px;
}
.nav-item:hover > a { color: var(--blue-fpsq); }

/* Dropdown slide-down */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-links {
  background: var(--navy);
  border-bottom: 3px solid var(--blue-fpsq);
  padding: 12px 16px;
  white-space: nowrap;
}
.dropdown-links a {
  display: block;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  padding: 5px 0;
  text-decoration: none;
  transition: color 0.15s;
}
.dropdown-links a:hover {
  color: var(--gold-caps);
}

/* Language toggle */
.nav-lang {
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-400);
  margin-left: 16px;
  letter-spacing: 0.5px;
}
.nav-lang a { color: var(--gray-400); text-decoration: none; }
.nav-lang a:hover { color: var(--navy); }
.nav-lang .active { color: var(--navy); }

/* === NAV VARIANT: Homepage (transparent → solid on scroll) === */
.site-nav--home {
  background: transparent;
  box-shadow: none;
  border-bottom: none;
}
.site-nav--home .wordmark .first-name { color: var(--white); }
.site-nav--home .wordmark .last-name { color: rgba(255,255,255,0.8); }
.site-nav--home .nav-item > a { color: var(--white); }
.site-nav--home .nav-item:hover > a { color: var(--gold-caps); }
.site-nav--home .nav-item.active > a { color: var(--gold-caps); }
.site-nav--home .nav-lang a { color: rgba(255,255,255,0.6); }
.site-nav--home .nav-lang a:hover { color: var(--white); }
.site-nav--home .nav-lang .active { color: var(--white); }

.site-nav--home.scrolled {
  background: var(--white);
  box-shadow: 0 1px 3px rgba(5,28,44,0.06);
  border-bottom: none;
}
.site-nav--home.scrolled .wordmark .first-name { color: var(--navy); }
.site-nav--home.scrolled .wordmark .last-name { color: var(--blue-fpsq); }
.site-nav--home.scrolled .nav-item > a { color: var(--navy); }
.site-nav--home.scrolled .nav-item:hover > a { color: var(--blue-fpsq); }
.site-nav--home.scrolled .nav-lang a { color: var(--gray-400); }
.site-nav--home.scrolled .nav-lang .active { color: var(--navy); }

/* === NAV VARIANT: Vigie dark === */
.site-nav--vigie {
  background: rgba(13, 17, 23, 0.97);
  border-bottom-color: var(--vigie-border);
  box-shadow: none;
}
.site-nav--vigie .wordmark .first-name { color: var(--white); }
.site-nav--vigie .wordmark .last-name { color: var(--vigie-green); }
.site-nav--vigie .nav-item > a { color: var(--vigie-text); }
.site-nav--vigie .nav-item:hover > a { color: var(--white); }
.site-nav--vigie .nav-item.active > a { color: var(--vigie-green); }
.site-nav--vigie .nav-item.active::after { background: var(--vigie-green); }
.site-nav--vigie .nav-lang a { color: var(--vigie-text-muted); }
.site-nav--vigie .nav-lang .active { color: var(--white); }
.site-nav--vigie .dropdown-links { background: #0D1117; border-bottom-color: var(--vigie-green); }
.site-nav--vigie .dropdown-links a:hover { color: var(--vigie-green); }

/* Scroll progress bar — disabled (creates visible line artifact) */
.scroll-progress {
  display: none;
}

/* === LAYOUT === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.page-body {
  padding-top: var(--nav-height);
}

/* === HERO (HOMEPAGE) === */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--white);
}

.hero-label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--vigie-green);
  margin-bottom: var(--space-sm);
}

.hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 700px;
  margin-bottom: var(--space-md);
}

.hero h1 em {
  font-style: normal;
  color: var(--vigie-green);
}

.hero-subtitle {
  font-family: var(--font-title);
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 550px;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.hero-ctas {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 0;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--white);
  color: var(--navy);
}

.btn-primary:hover {
  background: var(--ivory);
  color: var(--navy);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  border-color: var(--white);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
}

.btn-navy:hover {
  background: var(--navy-light);
  color: var(--white);
  transform: translateY(-1px);
}

/* === FLAGSHIPS (HOMEPAGE) === */
.flagships {
  padding: var(--space-2xl) 0;
  background: var(--white);
}

.flagships-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.flagship-card {
  border: 1px solid var(--gray-200);
  border-radius: 0;
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.flagship-card:hover {
  border-color: var(--gray-300);
  box-shadow: 0 4px 16px rgba(5,28,44,0.06);
  transform: translateY(-1px);
}

.flagship-card--polycrisis {
  background: linear-gradient(145deg, #0D1117 0%, #161B22 100%);
  border-color: var(--vigie-border);
  color: var(--vigie-text);
}

.flagship-card--polycrisis:hover {
  border-color: var(--vigie-green);
}

.flagship-badge {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.flagship-badge--foresight {
  background: rgba(0, 212, 170, 0.15);
  color: var(--vigie-green);
}

.flagship-badge--report {
  background: rgba(44, 95, 138, 0.1);
  color: var(--blue-fpsq);
}

.flagship-card h3 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.flagship-card--polycrisis h3 { color: var(--white); }

.flagship-card p {
  font-family: var(--font-title);
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--gray-500);
  margin-bottom: var(--space-md);
}

.flagship-card--polycrisis p { color: var(--vigie-text-muted); }

/* Sparklines mockup */
.sparklines {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.sparkline-item {
  flex: 1;
  padding: var(--space-xs);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--vigie-border);
  border-radius: 0;
}

.sparkline-label {
  font-family: var(--font-data);
  font-size: 0.625rem;
  color: var(--vigie-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sparkline-value {
  font-family: var(--font-data);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
}

.sparkline-delta {
  font-family: var(--font-data);
  font-size: 0.6875rem;
}

.sparkline-delta.up { color: var(--vigie-red); }
.sparkline-delta.down { color: var(--vigie-green); }

/* === SECTION DROPDOWNS (HOMEPAGE) === */
.section-dropdown {
  border-bottom: 1px solid var(--gray-200);
}

.section-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-fast);
}

.section-toggle:hover .section-title { color: var(--blue-fpsq); }

.section-verb {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-fpsq);
  margin-bottom: 0.25rem;
}

.section-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--navy);
  transition: color var(--transition-fast);
}

.section-message {
  font-family: var(--font-title);
  font-size: 0.9375rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
  max-width: 600px;
}

.section-arrow {
  width: 24px;
  height: 24px;
  color: var(--gray-400);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.section-toggle.active .section-arrow {
  transform: rotate(180deg);
}

.section-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) ease, padding var(--transition-slow) ease;
}

.section-content.expanded {
  max-height: 600px;
  padding-bottom: var(--space-lg);
}

.section-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.preview-card {
  padding: var(--space-md);
  border: 1px solid var(--gray-200);
  border-radius: 0;
  transition: all var(--transition-fast);
}

.preview-card:hover {
  border-color: var(--blue-fpsq);
  background: var(--white);
}

.preview-card h4 {
  font-family: var(--font-title);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 0.25rem;
  line-height: 1.4;
}

.preview-meta {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--gray-400);
}

.preview-excerpt {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

.section-explore {
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--blue-fpsq);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.section-explore:hover { color: var(--navy); }
.section-explore .arrow { transition: transform var(--transition-fast); }
.section-explore:hover .arrow { transform: translateX(3px); }

/* === VIGIE TEASER (HOMEPAGE) === */
.vigie-teaser {
  background: var(--vigie-bg);
  padding: var(--space-2xl) 0;
  color: var(--vigie-text);
}

.vigie-teaser-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.vigie-teaser-header h2 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--white);
}

.vigie-teaser-badge {
  font-family: var(--font-data);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vigie-green);
  padding: 0.25rem 0.5rem;
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: 3px;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.vigie-teaser-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vigie-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.vigie-indicators {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.vigie-indicator {
  background: var(--vigie-surface);
  border: 1px solid var(--vigie-border);
  border-radius: 8px;
  padding: var(--space-sm);
}

.vigie-indicator-label {
  font-family: var(--font-data);
  font-size: 0.625rem;
  color: var(--vigie-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.vigie-indicator-value {
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.vigie-indicator-delta {
  font-family: var(--font-data);
  font-size: 0.75rem;
  margin-top: 0.125rem;
}

.vigie-indicator-spark {
  height: 32px;
  margin-top: var(--space-xs);
  background: linear-gradient(90deg, transparent, rgba(0,212,170,0.1));
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.vigie-indicator-spark::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--vigie-green);
  opacity: 0.5;
}

/* === CREDENTIALS (HOMEPAGE) === */
.credentials {
  padding: var(--space-2xl) 0;
  text-align: center;
  background: var(--ivory-deep);
}

.credentials blockquote {
  font-family: var(--font-body);
  font-size: 1.625rem;
  font-weight: 300;
  font-style: normal;
  color: var(--navy);
  max-width: 700px;
  margin: 0 auto var(--space-md);
  line-height: 1.45;
}

.credentials-affiliations {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--gray-500);
  letter-spacing: 0.05em;
}

.credentials-affiliations span { margin: 0 0.75rem; }

/* === FOOTER (PARTAGÉ) === */
.site-footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--gray-200);
  background: var(--ivory);
}

.site-footer--dark {
  background: var(--vigie-bg);
  border-top-color: var(--vigie-border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  font-family: var(--font-title);
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.site-footer--dark .footer-left { color: var(--vigie-text-muted); }

.footer-links {
  display: flex;
  gap: var(--space-md);
}

.footer-links a {
  font-family: var(--font-title);
  font-size: 0.8125rem;
  color: var(--gray-400);
}

.site-footer--dark .footer-links a { color: var(--vigie-text-muted); }

/* === PAGE HEADER (PARTAGÉ) === */
.page-header {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.page-header .page-verb {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-fpsq);
  margin-bottom: var(--space-xs);
}

.page-header h1 {
  font-family: var(--font-title);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.page-header .page-message {
  font-family: var(--font-title);
  font-size: 1.0625rem;
  color: var(--gray-500);
  max-width: 600px;
  line-height: 1.6;
}

/* ============================================================
   REGISTRE RESEARCH — PIIE / NBER
   Fond blanc, Source Serif 4 dominant, list view académique
   ============================================================ */
body.page-research {
  background: var(--white);
}

body.page-research .page-header h1 { color: var(--blue-fpsq); }

.featured-paper {
  padding: var(--space-lg);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--blue-fpsq);
  border-radius: 0 8px 8px 0;
  margin-bottom: var(--space-xl);
  background: var(--gray-100);
}

.featured-paper .paper-badge {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-fpsq);
  margin-bottom: var(--space-xs);
}

.featured-paper h2 {
  font-family: var(--font-title);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--anthracite);
  line-height: 1.4;
  margin-bottom: var(--space-xs);
}

.paper-meta {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--gray-400);
  margin-bottom: var(--space-sm);
}

.paper-meta span { margin-right: var(--space-sm); }

.paper-abstract {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Papers list */
.papers-section {
  margin-bottom: var(--space-xl);
}

.papers-section h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--navy);
  margin-bottom: var(--space-md);
}

.paper-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--gray-200);
}

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

.paper-item h4 {
  font-family: var(--font-title);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--anthracite);
  line-height: 1.4;
  margin-bottom: 0.25rem;
}

.paper-item h4 a { color: var(--anthracite); }
.paper-item h4 a:hover { color: var(--blue-fpsq); }

.paper-status {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  display: inline-block;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.paper-status--published {
  background: rgba(44, 95, 138, 0.1);
  color: var(--blue-fpsq);
}

.paper-status--review {
  background: rgba(212, 160, 23, 0.12);
  color: var(--gold-caps);
}

.paper-status--wp {
  background: var(--gray-100);
  color: var(--gray-500);
}

/* ============================================================
   REGISTRE POLICY — THE ECONOMIST
   Fond ivoire, Inter dominant, magazine grid, tags thématiques
   ============================================================ */
body.page-policy {
  background: var(--ivory);
}

.theme-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
}

.theme-tag {
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1.5px solid var(--gray-300);
  color: var(--gray-500);
  background: transparent;
}

.theme-tag:hover, .theme-tag.active {
  color: var(--white);
}

.theme-tag[data-theme="energie"]:hover, .theme-tag[data-theme="energie"].active {
  background: var(--gold-caps);
  border-color: var(--gold-caps);
}

.theme-tag[data-theme="commerce"]:hover, .theme-tag[data-theme="commerce"].active {
  background: var(--blue-fpsq);
  border-color: var(--blue-fpsq);
}

.theme-tag[data-theme="defense"]:hover, .theme-tag[data-theme="defense"].active {
  background: var(--navy);
  border-color: var(--navy);
}

.theme-tag[data-theme="developpement"]:hover, .theme-tag[data-theme="developpement"].active {
  background: var(--vert-dev);
  border-color: var(--vert-dev);
}

.theme-tag[data-theme="gouvernance"]:hover, .theme-tag[data-theme="gouvernance"].active {
  background: var(--anthracite);
  border-color: var(--anthracite);
}

.theme-tag[data-theme="risque"]:hover, .theme-tag[data-theme="risque"].active {
  background: var(--red-analytical);
  border-color: var(--red-analytical);
}

.theme-tag.active-all {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* Featured note */
.featured-note {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 2px solid var(--navy);
}

.featured-note-content h2 {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: var(--space-sm);
}

.featured-note-chapeau {
  font-family: var(--font-title);
  font-size: 1.0625rem;
  color: var(--anthracite);
  line-height: 1.6;
}

.featured-note-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.note-date {
  font-family: var(--font-title);
  font-size: 0.8125rem;
  color: var(--gray-400);
}

.note-theme-tag {
  font-family: var(--font-title);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.2rem 0.625rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.note-theme-tag--energie { background: rgba(212,160,23,0.12); color: var(--gold-caps); }
.note-theme-tag--commerce { background: rgba(44,95,138,0.1); color: var(--blue-fpsq); }
.note-theme-tag--defense { background: rgba(27,42,74,0.1); color: var(--navy); }
.note-theme-tag--developpement { background: rgba(46,125,50,0.1); color: var(--vert-dev); }
.note-theme-tag--gouvernance { background: rgba(45,45,45,0.08); color: var(--anthracite); }
.note-theme-tag--risque { background: rgba(192,57,43,0.1); color: var(--red-analytical); }

.featured-note-visual {
  background: var(--ivory-deep);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  color: var(--gray-400);
  font-family: var(--font-data);
  font-size: 0.75rem;
}

/* Notes grid */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.note-card {
  padding: var(--space-md);
  border-top: 3px solid var(--gray-200);
  transition: all var(--transition-fast);
}

.note-card:hover {
  border-top-color: var(--navy);
}

.note-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}

.note-card h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: var(--space-xs);
}

.note-card p {
  font-family: var(--font-title);
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.note-format {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--gray-400);
}

/* ============================================================
   REGISTRE VIGIE — BLOOMBERG TERMINAL
   Dark mode, JetBrains Mono dominant, dashboard
   ============================================================ */
body.page-vigie {
  background: var(--vigie-bg);
  color: var(--vigie-text);
}

.vigie-dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  padding: var(--space-md) 0;
}

.vigie-panel {
  background: var(--vigie-surface);
  border: 1px solid var(--vigie-border);
  border-radius: 8px;
  padding: var(--space-md);
}

.vigie-panel--wide {
  grid-column: span 2;
}

.vigie-panel--full {
  grid-column: span 3;
}

.vigie-panel h3 {
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--vigie-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vigie-panel h3 .live {
  color: var(--vigie-green);
  font-size: 0.625rem;
}

.vigie-chart-placeholder {
  height: 200px;
  background: linear-gradient(180deg, rgba(0,212,170,0.05) 0%, transparent 100%);
  border: 1px dashed var(--vigie-border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--vigie-text-muted);
}

.vigie-kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.vigie-kpi {
  text-align: center;
  padding: var(--space-sm);
}

.vigie-kpi-label {
  font-family: var(--font-data);
  font-size: 0.625rem;
  color: var(--vigie-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vigie-kpi-value {
  font-family: var(--font-data);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  margin: 0.25rem 0;
}

.vigie-kpi-delta {
  font-family: var(--font-data);
  font-size: 0.75rem;
}

.vigie-alert-bar {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.vigie-alert {
  flex: 1;
  padding: var(--space-sm);
  background: rgba(255, 107, 107, 0.08);
  border: 1px solid rgba(255, 107, 107, 0.2);
  border-radius: 6px;
  font-family: var(--font-data);
  font-size: 0.75rem;
}

.vigie-alert .alert-level {
  color: var(--vigie-red);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.625rem;
  letter-spacing: 0.08em;
}

.vigie-alert--medium {
  background: rgba(212, 160, 23, 0.08);
  border-color: rgba(212, 160, 23, 0.2);
}

.vigie-alert--medium .alert-level { color: var(--vigie-amber); }

.vigie-scenario-table {
  width: 100%;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  border-collapse: collapse;
}

.vigie-scenario-table th {
  text-align: left;
  font-size: 0.6875rem;
  color: var(--vigie-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--vigie-border);
}

.vigie-scenario-table td {
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid rgba(48, 54, 61, 0.5);
  color: var(--vigie-text);
}

.vigie-prob { font-weight: 700; }
.vigie-prob.high { color: var(--vigie-red); }
.vigie-prob.medium { color: var(--vigie-amber); }
.vigie-prob.low { color: var(--vigie-green); }

/* ============================================================
   REGISTRE TEACHING — ACADEMIC CATALOG + FORMATION PRO
   Fond ivory-deep, gold accents, warm
   ============================================================ */
body.page-teaching {
  background: var(--ivory-deep);
}

body.page-teaching .page-header .page-verb { color: var(--gold-caps); }

.teaching-section {
  margin-bottom: var(--space-xl);
}

.teaching-section-title {
  font-family: var(--font-title);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--gold-caps);
  margin-bottom: var(--space-md);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.course-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: var(--space-md);
  transition: all var(--transition-fast);
}

.course-card:hover {
  border-color: var(--gold-caps);
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.course-level {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-caps);
  margin-bottom: var(--space-xs);
}

.course-card h3 {
  font-family: var(--font-title);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.375rem;
  line-height: 1.35;
}

.course-card p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.course-details {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--gray-400);
}

/* Geopolitical Officer section */
.geo-officer {
  background: var(--navy);
  border-radius: 12px;
  padding: var(--space-xl);
  color: var(--white);
  margin-bottom: var(--space-xl);
}

.geo-officer h2 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.geo-officer > p {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  max-width: 650px;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.geo-officer-modules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.geo-module {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: var(--space-md);
}

.geo-module-num {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--gold-caps-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.geo-module h4 {
  font-family: var(--font-title);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.geo-module p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.4;
}

.geo-officer-cta {
  font-family: var(--font-title);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--gold-caps-light);
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.geo-officer-cta:hover {
  background: var(--gold-caps);
  color: var(--navy);
  transform: translateY(-1px);
}

/* ============================================================
   REGISTRE ABOUT — NARRATIF LONG-FORM
   Ivoire, Source Serif 4 dominant, respiration
   ============================================================ */
body.page-about {
  background: var(--ivory);
}

.about-hero {
  padding: var(--space-2xl) 0;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-xl);
  align-items: start;
}

.about-photo {
  width: 280px;
  height: 340px;
  background: var(--ivory-deep);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-family: var(--font-data);
  font-size: 0.75rem;
}

.about-intro .page-verb {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-fpsq);
  margin-bottom: var(--space-xs);
}

.about-intro h1 {
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  line-height: 1.15;
}

.about-intro .lead {
  font-family: var(--font-title);
  font-size: 1.125rem;
  color: var(--anthracite);
  line-height: 1.7;
}

/* Narrative sections */
.narrative-section {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--gray-200);
}

.narrative-section h2 {
  font-family: var(--font-title);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-md);
}

.narrative-section p {
  font-family: var(--font-title);
  font-size: 1rem;
  color: var(--anthracite);
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: var(--space-sm);
}

.pull-quote {
  font-family: var(--font-citation);
  font-size: 1.375rem;
  font-style: italic;
  color: var(--navy);
  border-left: 3px solid var(--blue-fpsq);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
  max-width: 600px;
}

.timeline {
  margin-top: var(--space-lg);
}

.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--gray-200);
}

.timeline-year {
  font-family: var(--font-data);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--blue-fpsq);
}

.timeline-item h4 {
  font-family: var(--font-title);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.timeline-item p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin: 0;
}

/* ============================================================
   FOOTER — Institutional (PIIE pattern)
   ============================================================ */
.site-footer-full {
  background: var(--navy);
  padding: 48px 40px 32px;
  color: var(--white);
}
.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 32px;
}
.footer-brand .footer-logo {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.footer-brand .footer-logo em {
  color: var(--blue-fpsq);
  font-style: normal;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
  max-width: 280px;
}
.footer-col h4 {
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
}
.footer-col a {
  display: block;
  font-family: var(--font-title);
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 8px;
  text-decoration: none;
}
.footer-col a:hover { color: var(--gold-caps); }
.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom span {
  font-family: var(--font-title);
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   SCROLL PROGRESS
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--blue-fpsq);
  z-index: 9999;
  width: 0;
  transition: width 50ms linear;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 3.5rem;
  }

  .flagships-grid,
  .section-preview,
  .notes-grid,
  .course-grid,
  .vigie-dashboard,
  .vigie-indicators,
  .vigie-kpi-row,
  .geo-officer-modules {
    grid-template-columns: 1fr;
  }

  .featured-note {
    grid-template-columns: 1fr;
  }

  .about-hero {
    grid-template-columns: 1fr;
  }

  .about-photo {
    width: 200px;
    height: 240px;
    margin: 0 auto;
  }

  .vigie-panel--wide,
  .vigie-panel--full {
    grid-column: span 1;
  }

  .hero { min-height: 70vh; }
}