/* ═══════════════════════════════════════════════════════════
   VIGGO — Design System v2
   Charte officielle : #021627 + #1B9AAA + Playfair Display
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700&family=Rubik:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

:root {
  --navy:      #021627;
  --navy-md:   #0A2540;
  --navy-lt:   #0E3352;
  --teal:      #1B9AAA;
  --teal-dk:   #147080;
  --teal-lt:   #E8F6F8;
  --teal-mid:  #C2E8EC;
  --amber:     #D47B1F;
  --amber-lt:  #FEF3E2;
  --white:     #FFFFFF;
  --offwhite:  #F7F9FA;
  --gray:      #64748B;
  --gray-lt:   #E2E8F0;
  --gray-dk:   #334155;
  --red:       #C0392B;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Rubik', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --max-w: 1200px;
  --radius: 4px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); background: var(--offwhite); color: var(--navy); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(2,22,39,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(27,154,170,0.2); transition: var(--transition); }
.nav-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; height: 68px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo img { height: 32px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: rgba(255,255,255,0.7); letter-spacing: 0.03em; transition: color var(--transition); position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 1px; background: var(--teal); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--white); }
.nav-cta { background: var(--teal) !important; color: var(--white) !important; padding: 0.5rem 1.25rem; font-weight: 600 !important; font-size: 0.8rem !important; letter-spacing: 0.06em !important; border-radius: var(--radius); }
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--teal-dk) !important; }
.nav-burger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-burger span { display: block; width: 24px; height: 2px; background: var(--white); transition: var(--transition); }

.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.875rem 1.75rem; font-family: var(--font-body); font-size: 0.875rem; font-weight: 600; letter-spacing: 0.03em; border-radius: var(--radius); transition: var(--transition); cursor: pointer; }
.btn-primary { background: var(--teal); color: var(--white); border: 2px solid var(--teal); }
.btn-primary:hover { background: var(--teal-dk); border-color: var(--teal-dk); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(27,154,170,0.3); }
.btn-secondary { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.35); }
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }
.btn-outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-sm { padding: 0.625rem 1.25rem; font-size: 0.8rem; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }
.section-lg { padding: 8rem 0; }

.display-xl { font-family: var(--font-display); font-size: clamp(2.8rem, 5vw, 5rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.display-lg { font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3.5rem); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
.display-md { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.2; }
.eyebrow { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: var(--teal); }
.lead { font-size: 1.2rem; font-weight: 300; line-height: 1.7; color: var(--gray); }

.card { background: var(--white); border: 1px solid var(--gray-lt); border-radius: var(--radius); padding: 2rem; transition: var(--transition); }
.card:hover { transform: translateY(-3px); box-shadow: 0 16px 48px rgba(2,22,39,0.1); border-color: var(--teal-mid); }
.card-navy { background: var(--navy); border-color: var(--navy); color: var(--white); }
.card-teal { background: var(--teal-lt); border-color: rgba(27,154,170,0.2); }

.stat-number { font-family: var(--font-display); font-size: 3rem; font-weight: 900; color: var(--teal); line-height: 1; }
.stat-label { font-size: 0.875rem; color: rgba(255,255,255,0.6); margin-top: 0.35rem; line-height: 1.4; }

.tag { display: inline-block; padding: 0.25rem 0.75rem; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em; border-radius: 2px; text-transform: uppercase; }
.tag-teal { background: var(--teal-lt); color: var(--teal-dk); }
.tag-navy { background: var(--offwhite); color: var(--navy); }

.divider { height: 1px; background: var(--gray-lt); }
.divider-teal { height: 2px; background: var(--teal); width: 48px; margin: 1.5rem 0; }

.blockquote { position: relative; padding: 2rem 2rem 2rem 3rem; background: var(--navy); border-radius: var(--radius); color: var(--white); }
.blockquote::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--teal); border-radius: var(--radius) 0 0 var(--radius); }
.blockquote p { font-family: var(--font-display); font-style: italic; font-size: 1.15rem; line-height: 1.65; }
.blockquote cite { display: block; margin-top: 1rem; font-size: 0.85rem; color: rgba(255,255,255,0.5); font-style: normal; }

footer { background: var(--navy); color: rgba(255,255,255,0.6); padding: 4rem 0 2rem; border-top: 1px solid rgba(27,154,170,0.2); }
.footer-logo img { height: 28px; width: auto; margin-bottom: 0.75rem; }
.footer-tagline { font-size: 0.85rem; color: var(--teal); font-style: italic; margin-bottom: 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-col h4 { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--white); margin-bottom: 1.25rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a { font-size: 0.875rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-col a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.animate-up { opacity: 0; animation: fadeUp 0.7s cubic-bezier(0.4,0,0.2,1) forwards; }
.animate-up.delay-1 { animation-delay: 0.1s; }
.animate-up.delay-2 { animation-delay: 0.2s; }
.animate-up.delay-3 { animation-delay: 0.3s; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
/* Fallback — si JS ne charge pas, tout reste visible */
@media print { .reveal { opacity: 1; transform: none; } }

@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--navy); padding: 1.5rem 2rem; gap: 1rem; border-bottom: 1px solid rgba(27,154,170,0.2); }
  .nav-burger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  .footer-col li { margin-bottom: 0; }
  .footer-col a { display: block; padding: 0.5rem 0; font-size: 0.9rem; }
  .footer-col + .footer-col { padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.06); }
  .section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }
}

/* ── LANGUAGE SWITCHER ───────────────────────────────────────── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: 0.75rem;
  padding-left: 0.75rem;
  border-left: 1px solid rgba(255,255,255,0.2);
}
.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  text-decoration: none;
  padding: 0.3rem 0.5rem;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: var(--transition);
  opacity: 0.5;
}
.lang-btn:hover { opacity: 1; }
.lang-btn.lang-active {
  opacity: 1;
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
}

/* ── NAV DROPDOWN ────────────────────────────────────────── */
.nav-item-dropdown { position: relative; }
.nav-dropdown-trigger::after { display: none !important; }
.nav-dropdown-arrow {
  font-size: 0.5rem; opacity: 0.55;
  transition: transform 0.2s ease;
  display: inline-block; margin-left: 0.25rem;
}
.nav-item-dropdown.open .nav-dropdown-arrow { transform: rotate(180deg); opacity: 1; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%);
  background: #0A2540;
  border: 1px solid rgba(27,154,170,0.25);
  border-radius: 4px;
  min-width: 230px;
  padding: 0.4rem 0;
  box-shadow: 0 20px 48px rgba(0,0,0,0.4);
  z-index: 500;
}
.nav-item-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -5px; left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 8px; height: 8px;
  background: #0A2540;
  border-left: 1px solid rgba(27,154,170,0.25);
  border-top: 1px solid rgba(27,154,170,0.25);
}
.nav-dropdown-item {
  display: block !important;
  padding: 0.7rem 1.25rem;
  font-size: 0.84rem !important;
  color: rgba(255,255,255,0.6) !important;
  font-weight: 400 !important;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-dropdown-item:hover { color: var(--white) !important; background: rgba(27,154,170,0.1); }
.nav-dropdown-item::after { display: none !important; }
.nav-dropdown-divider { height: 1px; background: rgba(255,255,255,0.07); margin: 0.2rem 0; }
@media (max-width: 768px) {
  .nav-dropdown-menu {
    position: static !important; transform: none !important;
    box-shadow: none; border: none;
    border-left: 2px solid rgba(27,154,170,0.35);
    border-radius: 0; background: rgba(27,154,170,0.05);
    padding: 0.25rem 0; margin: 0.25rem 0 0.5rem 0.5rem;
    min-width: unset;
  }
  .nav-dropdown-menu::before { display: none; }
}
/* ── CLASSES UTILITAIRES — Typographie cohérente ────────────── */
/* Remplace les font-size inline épars sur les pages construites manuellement */

/* Titres de section (cartes, blocs) */
.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--navy);
  line-height: 1.35;
  font-weight: 500;
  margin-bottom: 0.875rem;
}
.card-title-lg {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--navy);
  line-height: 1.3;
  font-weight: 500;
  margin-bottom: 1rem;
}
.card-title-white {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--white);
  line-height: 1.35;
  font-weight: 500;
  margin-bottom: 0.875rem;
}

/* Corps de carte */
.card-body {
  font-size: 0.875rem;
  color: var(--gray);
  line-height: 1.8;
}
.card-body-sm {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.75;
}
.card-body-white {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
}

/* Label meta (eyebrow inline, domaine, catégorie) */
.meta-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: block;
}
.meta-label-gray {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--gray);
  text-transform: uppercase;
}

/* Situation card — composant récurrent dans nos-missions */
.situation-card {
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  transition: var(--transition);
}
.situation-card h3 {
  font-size: 0.95rem;
  color: var(--navy);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.situation-card p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.7;
}

/* Chiffres de référence */
.stat-ref {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}
.stat-ref-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-top: 0.25rem;
}

/* ── GRILLES RESPONSIVES — extrait des styles inline ────────── */

/* Grille 3 colonnes → 2 sur tablette → 1 sur mobile */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.grid-3-sm {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

/* Grille 2 colonnes */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* Grille situation (1fr / 2fr) */
.grid-situation {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

/* Grille protocole 4 colonnes */
.grid-4-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--gray-lt);
  border-radius: var(--radius);
  overflow: hidden;
}

/* Grille références 2×3 */
.grid-refs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .grid-3, .grid-3-sm, .grid-refs { grid-template-columns: 1fr 1fr; }
  .grid-4-steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .grid-situation { grid-template-columns: 1fr; gap: 2.5rem; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid-3, .grid-3-sm, .grid-2, .grid-refs { grid-template-columns: 1fr; }
  .grid-4-steps { grid-template-columns: 1fr; }
}

/* ── ESPACEMENT — sections respiration ──────────────────────── */
.section-xl { padding: 9rem 0; }
.section-spacer { height: 1px; background: var(--gray-lt); margin: 0; }

/* Séparateur fort entre grandes sections thématiques */
.section-break {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 2rem;
  margin: 0 auto;
  max-width: var(--max-w);
  opacity: 0.25;
}
.section-break::before,
.section-break::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--teal);
}

/* Situation card h3 (nos-missions) */
.card-situation-h {
  font-size: 0.95rem;
  color: var(--navy);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

/* ── TRAME page — grilles spécifiques ──────────────────────── */
.chiffres-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.participant-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.situations-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (max-width: 1024px) {
  .chiffres-grid { grid-template-columns: repeat(2, 1fr); }
  .participant-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 640px) {
  .chiffres-grid { grid-template-columns: 1fr 1fr; }
}

/* ── VALEURS — grid 2 colonnes responsive ───────────────────── */
.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3.5rem;
}
@media (max-width: 768px) {
  .values-grid { grid-template-columns: 1fr; }
}

/* ── ANIMATIONS — variantes pour éviter l'uniformité ───────── */

/* Reveal depuis la gauche — pour les cartes alternées */
.reveal-left {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

/* Reveal avec légère mise à l'échelle — pour les chiffres/badges */
.reveal-scale {
  opacity: 0;
  transform: translateY(12px) scale(0.97);
  transition: opacity 0.5s cubic-bezier(0.4,0,0.2,1), transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.reveal-scale.visible { opacity: 1; transform: translateY(0) scale(1); }

/* Reveal immédiat — pour le texte secondaire (pas d'animation) */
.reveal-none { opacity: 1 !important; transform: none !important; }

/* Ajustement : le texte courant de body ne s'anime plus */
.no-reveal p, .no-reveal li { opacity: 1; transform: none; }